1 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2 J"orn Rennecke <joern.rennecke@st.com>
4 * configure.ac (.eh_frame data check): Use diff -b.
6 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9 * Makefile.in (BUILD_RTL): Add build/vec.o.
10 (build/gencondmd.o): Filter out -fkeep-inline-functions.
11 (build/genextract): Delete.
12 (build/genautomata): Likewise.
14 2006-07-04 Alan Modra <amodra@bigpond.net.au>
17 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
18 128-bit IBM long doubles for ABI_V4.
20 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
22 * tree.c (range_in_array_bounds_p): New predicate.
23 * tree.h (range_in_array_bounds_p): Declare it.
24 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
25 return a less conservative answer.
26 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
28 (IS_ELEMENT_FOR_GROUP): New macro.
29 (FOR_EACH_ACTUAL_CHILD): Likewise.
30 (next_child_for_group): New helper function.
31 (can_completely_scalarize_p): Take into account groups.
32 (sra_hash_tree): Handle RANGE_EXPR.
33 (sra_elt_eq): Likewise.
34 (lookup_element): Be prepared for handling groups.
35 (is_valid_const_index): Delete.
36 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
37 instead of is_valid_const_index.
38 <ARRAY_RANGE_REF>: New case.
39 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
41 <ARRAY_RANGE_REF>: Do not unconditionally punt.
42 (scan_dump): Dump info for groups too.
43 (decide_instantiation_1): Likewise.
44 (decide_block_copy): Assert that the element is not a group.
45 Propagate decision to groups.
46 (generate_one_element_ref): Handle RANGE_EXPR.
47 (mark_no_warning): Iterate over actual childs.
48 (generate_copy_inout): Likewise.
49 (generate_element_copy): Likewise.
50 (generate_element_zero): Likewise.
51 (generate_element_init_1): Likewise.
52 (dump_sra_elt_name): Handle RANGE_EXPR.
54 2006-07-03 Roger Sayle <roger@eyesopen.com>
56 PR tree-optimization/26251
57 * tree-ssa-threadupdate.c (redirection_block_p): New function.
58 (thread_block): When optimizing for size refuse to thread jumps
59 that would require duplication of blocks other than redirection
62 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
64 * configure.ac: Fix thinko in previous check-in.
65 * configure: Regenerate.
67 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
70 * configure.ac (for lang...): Simplify nesting of conditionals.
71 Test subdir_requires for non-enabled languages. Move processing
72 of lang_opt_files and lang_tree_fiels below that test.
73 * configure: Regenerate.
74 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
76 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
78 * doc/gcov.texi (Invoking Gcov): Add a missing word.
80 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
82 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
85 2006-06-29 Jason Merrill <jason@redhat.com>
92 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
93 * c-common.c (c_determine_visibility): Handle it here.
94 * c-decl.c (finish_decl): Call c_determine_visibility for
96 * flags.h (enum symbol_visibility): Sort from most to least visibility.
98 * varasm.c (default_assemble_visibility): Likewise.
99 * c-common.c (handle_visibility_attribute): Complain about trying
100 to give visibility to an already defined class, or trying to change
101 declared visibility. Always attach the attribute.
106 * attribs.c (decl_attributes): Ignore type-in-place attributes
107 once the type has been defined.
109 2006-06-29 Roger Sayle <roger@eyesopen.com>
112 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
113 to indicate the cpplib has issued an error message for us.
115 2006-06-29 Asher Langton <langton2@llnl.gov>
118 * config/i386/i386.c (ix86_output_function_epilogue): Don't
119 insert a label at the end of an function under Mach-O.
121 2006-06-29 Eric Christopher <echristo@apple.com>
122 Evan Cheng <evan.cheng@apple.com>
124 * predicates.md (vector_all_ones_operand): New.
125 (nonimmediate_or_sse_const_operand): Ditto.
126 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
127 * config/i386/i386.c (standard_sse_constant_opcode): Define.
128 (standard_sse_mode_p): Ditto.
129 (standard_sse_constant_p): Add case for -1 vector.
130 (ix86_expand_vector_move): Try to use.
131 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
132 Call standard_sse_constant_opcode.
133 (*movv4sf_internal): Ditto.
134 (*movv2df_internal): Ditto.
136 2006-06-29 Roger Sayle <roger@eyesopen.com>
138 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
139 of XEXP to extract the operands of a MATCH_CODE rtx.
141 2006-06-28 Andrew Pinski <pinskia@gmail.com>
143 * tree.c (tree_size): Do not waste tail padding in
144 struct tree_string and make the size be the same as
145 build_string will generate.
147 2006-06-28 Jason Merrill <jason@redhat.com>
150 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
151 may_aliases already in the tag's annotations to the bitmap.
153 2006-06-28 Roger Sayle <roger@eyesopen.com>
155 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
157 2006-06-28 Roger Sayle <roger@eyesopen.com>
159 * genpreds.c (generate_switch_p): New function.
160 (add_mode_tests): Push the new mode test down inside an AND expr
161 if this allows the switch-suitable MATCH_CODE to be near the root.
162 (write_match_code_switch): New function to write a MATCH_CODE as
164 (write_predicate_stmts): New function to write a predicate RTX
165 expression as a sequence of statements.
166 (write_one_predicate_function): Use write_predicate_stmts.
167 (write_tm_constrs_h): Likewise.
169 2006-06-26 Fred Fish <fnf@specifix.com>
171 * config/mips/t-sb1: New file.
172 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
175 2006-06-26 DJ Delorie <dj@redhat.com>
177 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
179 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
180 Jayant Sonar <jayants@kpitcummins.com>
181 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
183 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
184 (subsi3, subsi3_1, subsi3_2): New.
185 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
186 * config/m32c/mov.md (SI mov peephole): New.
187 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
188 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
190 2006-06-26 Olivier Hainque <hainque@adacore.com>
192 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
193 a CALL_EXPR target function declaration.
195 2006-06-26 Richard Guenther <rguenther@suse.de>
197 * tree.c (build_string): Do not waste tail padding in
200 2006-06-26 Richard Guenther <rguenther@suse.de>
202 * ggc-page.c (init_ggc): Add missing element to size_lookup
206 2006-06-23 Richard Guenther <rguenther@suse.de>
208 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
209 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
210 alignment requests instead. Add verification code.
211 Add struct tree_function_decl and struct tree_binfo size to
212 extra_order_size_table. Add missing element to size_lookup
215 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
218 * fold-const.c (const_binop): Be prepared for self returning zero.
219 Simplify code handling complex values.
221 2006-06-24 Olivier Hainque <hainque@adacore.com>
223 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
224 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
227 2006-06-24 Olivier Hainque <hainque@adacore.com>
229 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
230 ARRAY_REF, so have the callback called for the low bound expression.
232 2006-06-23 Janis Johnson <janis187@us.ibm.com>
234 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
235 * c-typeck.c (c_common_type): Disallow operations on decimal float
236 types and other float types.
237 * convert.c (convert_to_real): Don't ignore conversions involving
240 2006-06-23 Olivier Hainque <hainque@adacore.com>
242 * tree.c (max_int_size_in_bytes): New function, inspired from
243 code in function.c:assign_temp.
244 * tree.h (max_int_size_in_bytes): Declare.
245 * function.c (assign_temp): Use it.
246 * gimplify.c (create_tmp_var): Relax the assertions on the type
247 properties, not mandating constant size any more.
248 (force_constant_size): New static function.
249 (gimple_add_tmp_var): Use it, forcing variable size to a
250 constant upper bound if it is not constant on entry.
252 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
255 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
256 for initialization and setting of one_only flag to ...
257 (i386_pe_encode_section_info): ...here.
258 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
259 Recheck that the symbol has not been defined.
261 2006-06-23 Richard Guenther <rguenther@suse.de>
263 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
264 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
265 alignment requests instead. Add verification code.
266 Add struct tree_function_decl and struct tree_binfo size to
267 extra_order_size_table. Add missing element to size_lookup
270 2006-06-22 Roger Sayle <roger@eyesopen.com>
271 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
274 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
275 call to lang_hooks.types.type_for_mode returned NULL_TREE.
277 2006-06-23 Ben Elliston <bje@au.ibm.com>
279 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
280 negate dn -- manipulate it directly.
282 2006-06-22 Roger Sayle <roger@eyesopen.com>
283 Steven Bosscher <stevenb.gcc@gmail.com>
286 * reload1.c (gen_reload): Call mark_jump_label on the new insns
287 generated by gen_move_insn to add REG_LABEL notes if necessary.
289 2006-06-22 Bob Wilson <bob.wilson@acm.org>
291 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
292 (leaf_entry): Remove use of MIN_ESA.
294 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
296 PR rtl-optimization/28121
297 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
300 2006-06-21 DJ Delorie <dj@redhat.com>
302 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
304 (mulhisi3_r): Likewise.
306 2006-06-21 Richard Sandiford <richard@codesourcery.com>
309 * coverage.c (coverage_counter_alloc): Leave the index type
311 (coverage_counter_alloc): Use null arguments for operands 2 and 3
314 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
316 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
317 section from the "Options for Code Generation Conventions".
319 2006-06-21 Richard Henderson <rth@redhat.com>
323 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
325 (global_symbolic_operand): Allow weak symbols, even if local_p.
327 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
329 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
330 (find_interesting_uses_address): Punt if above function returns true.
332 2006-06-21 Richard Guenther <rguenther@suse.de>
334 * configure: Regenerated.
336 2006-06-21 Joseph Myers <joseph@codesourcery.com>
338 * config/mips/mips.c (function_arg): Where one part of a
339 complex argument is in registers and the other part in the stack,
340 return a REG not a PARALLEL.
342 2006-06-21 Mark Mitchell <mark@codesourcery.com>
344 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
345 when cross-compiling. Do not substitute libstdcxx_incdir.
346 * configure: Regenerated.
348 2006-06-21 Jakub Jelinek <jakub@redhat.com>
350 * varasm.c (mergeable_string_section): Check for embedded NULs and
351 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
352 rather than TREE_STRING_LENGTH bytes.
354 2006-06-21 Richard Guenther <rguenther@suse.de>
356 * ggc-page.c (extra_order_size_table): Add var_ann_d,
357 tree_ssa_name, bitmap_element and phi_node with 4 arguments
360 2006-06-21 Richrad Guenther <rguenther@suse.de>
362 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
363 Limit iteration over the dominators.
365 2006-06-20 Roger Sayle <roger@eyesopen.com>
367 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
368 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
370 2006-06-20 Richard Guenther <rguenther@suse.de>
371 Michael Matz <matz@suse.de>
373 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
375 * alloc-pool.c (free_alloc_pool_if_empty): New function.
376 * et-forest.h (et_free_pools): Prototype new function.
377 * et-forest.c (et_free_tree_force): Free parent occurrence.
378 (et_free_pools): New function.
379 * dominance.c (free_dominance_info): Free et-forest alloc
382 2006-06-20 Roger Sayle <roger@eyesopen.com>
384 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
385 integer modes, attempt to directly construct an integer constant.
387 * fold-const.c (native_encode_vector): Determine the size of each
388 element from the vector type instead of the first vector element.
390 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
391 if all of its elements/components are constant.
392 (build_constructor_from_list): Likewise.
394 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
396 PR tree-optimization/27331
397 * tree-data-ref.c (free_data_ref): New function.
398 (create_data_ref): Fail if the data reference has unknown access
400 (free_data_refs): Use free_data_ref.
402 2006-06-19 Andrew Pinski <pinskia@gmail.com>
405 * tree-inline.c (setup_one_parameter): Strip useless
406 type conversion before adding it to the IR.
407 (declare_return_variable): Likewise.
409 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
412 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
414 2006-06-19 Mike Stump <mrs@apple.com>
416 * tree.c (variably_modified_type_p): VM arguments don't make the
419 2006-06-19 Richard Guenther <rguenther@suse.de>
421 * tree-ssa-pre.c (try_combine_conversion): Strip useless
422 type conversions after folding.
424 2006-06-19 Richard Guenther <rguenther@suse.de>
426 * ggc-page.c (extra_order_size_tab): Add entries with
427 size of struct function and basic_block.
428 (size_lookup): Extend to cover sizes up to 511.
429 (ggc_alloc_stat): Adjust user.
430 (ggc_pch_count_object): Likewise.
431 (ggc_pch_alloc_object): Likewise.
432 (ggc_pch_write_object): Likewise.
434 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
436 * tree-ssa-loop-niter.c (implies_ge_p): New function.
437 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
440 2006-06-19 Denis Chertykov <denisc@overta.ru>
442 * config/avr/libgcc.S : Correct my wrong previous commit.
444 2006-06-19 Roger Sayle <roger@eyesopen.com>
447 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
448 have stripped a SUBREG from the shift count, so we may need to
449 convert_to_mode back to the type's mode before calling make_tree.
450 Use new_amount instead of amount to avoid expanding a tree twice.
452 2006-06-19 Richard Guenther <rguenther@suse.de>
455 * fold-const.c (operand_equal_p): Check if the argument types
456 have the same precision before stripping NOPs.
458 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
460 Fix PR tree-optimization/27341
461 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
463 * tree-complex.c (pass_lower_complex): Update SMT usage.
465 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
467 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
468 Add a new alternative to the constraint strings. Add move of
469 operand 1 to 3 to the splitter definition.
470 ("doloop_si_long"): Second contraint alternative removed.
472 2006-06-08 Anatoly Sokolov <aesok@post.ru>
474 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
475 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
477 (AVR_HAVE_MOVW) Define.
478 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
479 (ASM_SPEC): Add avr25.
480 (LINK_SPEC): Add avr25.
481 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
482 (base_arch_s): Add new member 'have_movw_lpmx'.
483 (avr_arch_types): Init 'have_movw_lpmx'.
484 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
485 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
486 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
487 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
488 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
490 (avr_file_start): Do not output '.arh' derective.
491 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
492 (__do_copy_data): Use __AVR_HAVE_LPMX__.
493 * config/avr/avr.md (mcu_enhanced): Delete.
494 (mcu_have_movw): Define.
495 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
496 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
497 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
498 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
499 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
500 attiny861 and at86rf401 devices.
502 2006-06-18 Jie Zhang <jie.zhang@analog.com>
504 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
507 2006-06-17 Karl Berry <karl@gnu.org>
509 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
510 doc/gccint.texi, doc/install.texi (@dircategory): Use
511 "Software development" instead of "Programming", following
512 the Free Software Directory.
514 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
516 * config/i386/i386.c (legitimate_tls_address)
517 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
518 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
519 (*tls_dynamic_gnu2_combine_64): Likewise.
521 2006-06-16 Richard Guenther <rguenther@suse.de>
524 * fold-const.c (negate_expr_p): Do not introduce undefined
525 overflow in negating INTEGER_CSTs.
526 (fold_negate_expr): Rename from negate_expr. Revert last
527 change for folding BIT_NOT_EXPR. Change semantics to
528 return NULL_TREE for non-simplified negations. Do not
529 strip type conversions and unify type handling.
530 (negate_expr): New function, wrap around fold_negate_expr
531 but ensure building a tree always. Strip type conversions
532 here, fold to result type.
533 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
535 2006-06-16 Roger Sayle <roger@eyesopen.com>
538 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
539 that (would) return their results in stack registers.
541 2006-06-16 Michael Matz <matz@suse.de>
542 Richard Guenther <rguenther@suse.de>
544 * fold-const.c (fold_truthop): Only return new tree node if
545 we canonicalized something.
547 2006-06-16 Richard Guenther <rguenther@suse.de>
549 * function.h (enum function_frequency): Move declaration
550 out of struct function.
551 (struct function): Move bool fields and the enum to the bitfield
552 section. Reorder elements to avoid padding. Remove unused
553 fields left over from the RTL inliner removal.
554 * function.c (free_after_compilation): Do not zero removed fields.
555 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
556 (ipa-type-escape.o): Likewise.
558 2006-06-16 Richard Guenther <rguenther@suse.de>
560 * cgraph.h (struct cgraph_local_info): Turn bool elements
562 (struct cgraph_node): Likewise.
563 (struct cgraph_varpool_node): Likewise.
565 2006-06-15 Richard Guenther <rguenther@suse.de>
567 * fold-const.c (fold_truth_not_expr): Rename from
568 invert_truthvalue. Give it fold_* semantics to avoid
570 (invert_truthvalue): New function. Wrapper around
572 (optimize_minmax_comparison): Avoid creating garbage.
573 (fold_unary): Use fold_truth_not_expr for folding
575 (fold_ternary): Replace uses of invert_truthvalue with
576 fold_truth_not_expr where applicable.
577 * tree.h (fold_truth_not_expr): Prototype.
579 2006-06-16 Richard Guenther <rguenther@suse.de>
581 PR tree-optimization/27781
582 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
583 * ipa-pure-const.c (target.h): Include.
584 (analyze_function): Do not analyze functions that do not
587 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
590 * tree-dfa.c (referenced_vars_dup_list): Remove.
591 (find_referenced_vars): Remove assert.
592 (referenced_var_check_and_insert): Replace dup list with assert.
593 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
594 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
596 2006-06-15 Richard Guenther <rguenther@suse.de>
598 * tree-ssa-structalias.c (alias_get_name): Avoid creating
599 extra unused identifiers if not dumping.
600 (create_variable_info_for): Likewise.
602 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
604 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
605 (derive_constant_upper_bound): Derive more precise upper bound in
606 common cases. Return type changed to double_int.
607 (record_estimate): Reflect the changed return type of
608 derive_constant_upper_bound.
609 * double-int.c (double_int_zext, double_int_sext): Fix.
611 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
613 * configure.ac (CFLAGS): Get them from the toplevel or from the
614 configure invocation.
615 * configure: Regenerate.
616 * Makefile.in (CFLAGS): Substitute value provided by configure.
618 2006-06-14 Mark Mitchell <mark@codesourcery.com>
621 * c-common.h (c_finish_omp_atomic): Adjust declaration.
622 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
623 rather than calling add_stmt on it.
624 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
626 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
629 * reload1.c (reload): Remove registers returned by update_eliminables
630 from used_spill_regs.
632 2006-06-13 DJ Delorie <dj@redhat.com>
634 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
636 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
638 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
639 html__strip_dir, html__mkdir_p. Enhance install-html target.
640 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
641 * configure: Regenerate.
643 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
645 * fold-const.c (fold_cond_expr_with_comparison): Check for
646 Objective-C++ as language in deciding COND_EXPR transformation.
648 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
651 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
652 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
653 * config/sh/lib1funcs.h (SL, SL1): Define.
654 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
655 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
656 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
657 (OBJS_Os_4_200): New variable.
658 ($(T)libgcc-Os-4-200.a): Use it.
659 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
660 when dividing 1 and/or by 0.
662 2006-06-13 Roger Sayle <roger@eyesopen.com>
664 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
665 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
666 * configure: Regenerate.
668 2006-06-13 Jie Zhang <jie.zhang@analog.com>
670 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
671 for real instruction.
673 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
676 * haifa-sched.c (check_cfg): Handle special case.
678 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
681 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
682 Add debug_info parameter. Chain the vars to the BLOCK instead
683 of the BIND_EXPR if debug info are requested for them.
684 (pop_gimplify_context): Adjust for above change.
685 (gimple_add_tmp_var): Likewise.
686 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
688 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
689 (convert_local_reference): Likewise.
690 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
691 (finalize_nesting_tree_1): Request that debug info be emitted
694 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
696 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
699 2006-06-13 Richard Guenther <rguenther@suse.de>
702 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
704 2006-06-13 Richard Guenther <rguenther@suse.de>
706 PR tree-optimization/27830
707 * tree-inline.c (copy_body_r): For copying the operand
708 of an ADDR_EXPR make sure to fold &* afterwards.
710 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
712 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
713 lvalues in the fb_none case with side-effects.
715 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
717 * tree-flow.h: Remove the prototype for
718 compute_phi_arg_on_exit.
719 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
720 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
723 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
725 * builtins.c (expand_builtin_return_addr): Only use
726 frame_pointer_rtx when count == 0 and we are expanding
727 __builtin_return_address.
729 2006-06-12 Fred Fish <fnf@specifix.com>
731 * config/mips/mips.c (mips_file_start): Create special section
732 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
734 2006-06-11 Eric Christopher <echristo@apple.com>
737 * stor-layout.c (place_field): Remove check for
738 remaining_in_alignment when aligning at the end of a run.
740 2006-06-11 Eric Christopher <echristo@apple.com>
743 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
746 2006-06-11 Roger Sayle <roger@eyesopen.com>
749 Revert incorrect fix for PR target/27158
750 2006-05-08 Roger Sayle <roger@eyesopen.com>
751 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
752 of a reg_equiv_constant if the result is a legitimate constant.
754 2006-06-11 Roger Sayle <roger@eyesopen.com>
757 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
758 extract a CONST_VECTOR element and interpret it as an integer.
759 (vspltis_constant): Use const_vector_elt_as_int instead of the
760 macro CONST_VECTOR_ELT in order to handle FP vector modes.
761 * config/rs6000/predicates.md (easy_vector_const): Consider
762 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
764 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
767 * stor-layout.c (update_alignment_for_field): Don't add extra
768 alignment for packed non-bitfield fields in ms_bitfield_layout_p
771 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
773 * config/mips/t-rtems: Add EL/EB multilib variants.
775 2006-06-09 Mike Stump <mrs@apple.com>
777 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
779 2006-06-09 David Daney <ddaney@avtrex.com>
781 * doc/install.texi: Add binutils version recommendation for mips-*-*.
783 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
785 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
787 2006-06-09 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/26998
790 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
791 of signed types, only TYPE_MIN_VALUE is special, but for both,
792 minimum and maximum value. Likewise VR_ANTI_RANGE is special
793 in this case, as is -fwrapv.
795 2006-06-08 Mike Stump <mrs@apple.com>
798 * config/darwin.c (darwin_asm_output_anchor): Disable
799 -fsection-anchors on darwin for now.
800 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
801 * rs6000/rs6000.c (optimization_options): Likewise.
803 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
806 * config/i386/i386.c (classify_argument): Skip fields with invalid
809 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
811 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
812 (cse_insn): Likewise for the stack_pointer_rtx.
814 2006-06-08 Roger Sayle <roger@eyesopen.com>
816 * tree-ssa-dom.c (record_conditions): Only record "unordered"
817 conditions from floating point comparisons.
819 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
822 * expmed.c (struct alg_hash_entry): Fix type of field T
823 to match synth_mult argument.
824 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
826 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
829 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
832 2006-06-08 Richard Guenther <rguenther@suse.de>
835 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
836 only, if overflow is defined and not trapping.
837 (negate_expr): Likewise.
839 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
841 PR tree-optimization/27872
842 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
843 flag on the new exit edge of the unrolled loop.
845 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
847 PR rtl-optimization/26449
848 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
850 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
853 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
854 referenced_variables with matching DECL_UID's.
855 (find_referenced_vars): Make sure duplicate list is empty to start.
856 (referenced_var_p): Remove.
857 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
858 Check if var is in the list, and add if needed. Update the duplicate
859 list if a different var is in the list with the same DECL_UID.
860 (add_referenced_var): Call routine to check and insert.
861 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
862 * tree-flow.h (referenced_vars_dup_list): External declaration.
864 2006-06-07 Fred Fish <fnf@specifix.com>
866 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
869 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
872 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
873 the imaginary and real parts of a clobbered register.
874 Emit insn to set the imaginary part.
876 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
878 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
879 in lieu of unwind-dw2-fde.c.
881 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
883 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
885 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
888 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
889 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
890 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
891 V4SImode temporaries and operations instead.
893 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
895 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
898 2006-06-06 Mike Stump <mrs@apple.com>
900 * Makefile.in: Rename to htmldir to build_htmldir to avoid
901 installing during build.
903 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
905 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
907 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
908 * config/ia64/ia64.c (params.h): New header.
909 (ia64_optimization_options): New function to adjust parameters.
910 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
911 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
912 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
914 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
916 * stor-layout.c (debug_rli): Fix a typo in a debug message.
918 2006-06-05 Steve Ellcey <sje@cup.hp.com>
921 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
923 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
924 Victor Kaplansky <victork@il.ibm.com>
926 PR tree-optimization/26360
927 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
930 2006-06-04 Roger Sayle <roger@eyesopen.com>
931 Andrew Pinski <pinskia@physics.uc.edu>
934 * c-common.c (c_common_truthvalue_conversion): Explicitly check
935 for LABEL_DECL before calling DECL_WEAK.
938 * c-typeck.c (build_binary_op): Likewise, explicitly check for
939 LABEL_DECL and PARM_DECL.
941 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
945 * c-decl.c (grokdeclarator): Disallow variably modified types at
946 file scope. Avoid marking shared array type of constant size as
949 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
952 * c-common.c (fold_offsetof_1): Handle static members.
954 2006-06-04 Eric Christopher <echristo@apple.com>
956 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
957 (debug_rli): Output value for remaining_in_alignment.
958 (update_alignment_for_field): Unconditionalize
959 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
960 extra alignment code.
961 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
962 ms_bitfield_layout_p code. Rewrite handling of structure fields.
963 * tree.h (record_layout_info_s): Remove prev_packed.
964 * doc/extend.texi (ms_struct): Add documentation of format.
966 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
968 * tree.h: Declare folding_initializer.
969 * builtins.c (fold_builtin_constant_p): Give definite answer
970 if folding inside an initializer.
971 * fold-const.c: Define folding_initializer.
972 (START_FOLD_INIT): Save and then set folding_initializer.
973 (END_FOLD_INIT): Restore folding_initializer.
975 2006-06-04 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/27039
978 * fold-const.c (fold_comparison): Handle pointer comparison
979 again for all comparison codes. Compare offsets in signed
981 (fold_binary): Move code from here.
983 2006-06-03 Roger Sayle <roger@eyesopen.com>
986 * config/i386/i386.c (construct_container): Split static issued_error
987 flag into issued_sse_arg_error, issued_sse_ret_error and
988 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
989 requires the use of x87 registers and the user explicitly
990 specified the -mno-80387 command line option.
992 2006-06-02 Geoffrey Keating <geoffk@apple.com>
994 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
995 HAVE_DECL_SIGALTSTACK.
997 (segv_handler): Use MC_FLD.
998 * configure.ac: Check for a sigaltstack declaration.
999 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1000 * configure: Regenerate.
1001 * config.in: Regenerate.
1003 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1006 * Makefile.in (stmp-fixinc): Fix typo.
1008 2006-06-02 Roger Sayle <roger@eyesopen.com>
1010 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1011 are type correct. Clean-up.
1012 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1013 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1015 2006-06-01 DJ Delorie <dj@redhat.com>
1017 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1018 shift, as we've disabled the "switch" insn that needs it.
1020 2006-06-01 Per Bothner <bothner@bothner.com>
1022 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1023 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1024 * c-ppoutput.c (cb_define): Don't increment line 0.
1026 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1028 * doc/invoke.texi: Add cpu_type power6.
1029 * config.gcc: Add cpu_type power6.
1030 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1031 to power5+ with Altivec.
1032 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1033 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1035 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1037 * config/avr/avr.h (SET_ASM_OP): Define.
1039 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1041 * config/bfin/bfin.c: Fix comment typos.
1043 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1046 * doc/install.texi: Document --enable-bootstrap and
1047 --disable-bootstrap.
1049 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1051 * doc/install.texi: Document that InfoZIP can replace jar.
1053 2006-05-31 Roger Sayle <roger@eyesopen.com>
1055 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1056 isn't available, directly generate the simpler x87 patterns without
1057 the (use (const_int 0)).
1058 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1059 implementation isn't available.
1060 (*negdf2_1): Likewise.
1061 (*negxf2_1): XF mode negation is always done using the x87.
1062 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1064 2006-05-31 Roger Sayle <roger@eyesopen.com>
1066 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1067 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1069 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1071 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1073 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1074 * config/bfin/bfin.c (basic-block.h): Include.
1075 (struct machine_function): New.
1076 (bfin_init_machine_status): New.
1077 (override_options): Initialize init_machine_status.
1078 (bfin_hardware_loop): New.
1079 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1080 (DEF_VEC_P (loop_info)): New.
1081 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1082 (struct loop_info): New.
1083 (loop_info): New typedef.
1084 (struct loop_work): New.
1085 (loop_work): New typedef.
1086 (DEF_VEC_O (loop_work)): New.
1087 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1088 (bfin_dump_loops): New.
1089 (bfin_bb_in_loop): New.
1090 (bfin_scan_loop): New.
1091 (bfin_optimize_loop): New.
1092 (bfin_reorg_loops): New.
1093 (bfin_reorg): Use bfin_reorg_loops.
1094 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1096 (I_REGNO_P): Simplify.
1097 (DP_REGNO_P, DPREG_P): New macros.
1098 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1099 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1100 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1101 Add LT_REGS, LC_REGS, LB_REGS.
1102 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1104 (REGNO_REG_CLASS): Deal with loop registers.
1105 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1107 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1108 New constants for loop registers.
1109 (UNSPEC_LSETUP_END): New.
1110 (seq_insns): New define_attr. Set it for appropriate insns.
1111 (movsi_insn): Add alternatives for move from/to
1112 loop count registers.
1113 (doloop_end): New define_expand.
1114 (loop_end): New define_insn.
1115 (define_split for bad doloop_end): New.
1116 (lsetup_with_autoinit): New define_insn.
1117 (lsetup_without_autoinit): New define_insn.
1118 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1119 * config/bfin/predicates.md (lc_register_operand): New.
1120 (lt_register_operand): New.
1121 (lb_register_operand): New.
1122 (nondp_register_operand): New.
1123 (nondp_reg_or_memory_operand): New.
1124 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1126 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1128 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1129 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1131 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1133 * Makefile.in (CATALOGS): Add po/ prefix.
1134 * configure: Regenerated.
1136 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1139 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1140 a shift operand before calling shift_op. Avoid redundant call of
1143 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1144 DJ Delorie <dj@redhat.com>
1146 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1147 we're inserting is a singlt-bit constant.
1149 2006-05-30 Roger Sayle <roger@eyesopen.com>
1151 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1152 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1154 2006-05-30 Roger Sayle <roger@eyesopen.com>
1156 PR tree-optimization/23452
1157 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1158 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1159 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1160 complex values and with -ffast-math for FP complex values.
1162 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1164 * c-common.h: Remove the prototype for yyparse.
1165 * rtl.h: Remove the prototype for init_loop.
1167 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1169 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1172 2006-05-30 Roger Sayle <roger@eyesopen.com>
1174 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1176 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1177 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1179 2006-05-30 Dirk Mueller <dmueller@suse.de>
1182 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1183 for CONSTANT_CLASS_P expresisons.
1185 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1188 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1190 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1192 PR tree-optimization/27779
1193 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1194 initial_condition instead of CHREC_LEFT.
1196 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1198 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1199 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1200 Make prototypes ISO C90.
1202 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1203 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1205 * see.c (see_analyze_one_def): Correct check.
1206 (see_get_extension_data): Check if extension is parallel.
1207 (see_get_extension_reg): Likewise.
1209 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1212 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1213 into register for (code == GTU).
1215 2006-05-29 Roger Sayle <roger@eyesopen.com>
1217 PR tree-optimization/24964
1218 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1219 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1220 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1221 abs(x)*abs(x) as x*x for scalar floating point modes.
1223 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1226 * lambda-code.c (perfect_nestify): Don't copy statements
1227 in the inner loop: move them to the inner loop header.
1229 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1232 * c-tree.texi: Document OpenMP directives and clauses.
1234 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1236 * varasm.c (globalize_decl): Fix indentation.
1238 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1241 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1242 pass_fre, pass_store_ccp, pass_copy_prop,
1243 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1244 pass_return_slot, pass_object_size, pass_lim,
1245 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1246 pass_loop_prefetch and pass_stdarg.
1248 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1250 * config/bfin/bfin.opt (mfdpic): New option.
1251 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1252 (EXTRA_MULTILIB_PARTS): Likewise.
1253 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1254 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1256 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1257 (CRT_CALL_STATIC_FUNCTION): New.
1258 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1260 (CRT_CALL_STATIC_FUNCTION): New.
1261 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1263 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1264 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1265 (initialize_trampoline): Changed to handle FD-PIC code generation.
1266 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1267 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1268 (override_options): Disallow -mid-shared-library -mfdpic combination.
1269 Can't do unaligned ops if FD-PIC.
1270 Turn off flag_pic if trying to generate non-id-shared-library
1271 non-fdpic code, since it's not supported.
1272 (bfin_assemble_integer): New function.
1273 (TARGET_ASM_INTEGER): Define.
1274 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1276 * config/bfin/crtn.s: Restore them.
1277 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1279 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1280 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1281 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1282 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1283 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1285 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1286 FDPIC_REGS and FDPIC_FPTR_REGS.
1287 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1288 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1289 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1290 (load_funcdescsi): New pattern.
1291 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1292 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1293 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1295 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1297 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1300 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1302 * tree-flow.h: Remove the prototype for add_type_alias.
1303 * tree-ssa-alias.c (add_type_alias): Remove.
1305 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1307 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1308 config/fr30/fr30.md, config/i386/i386-interix.h,
1309 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1310 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1311 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1312 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1313 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1314 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1315 Follow spelling conventions.
1316 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1317 Follow spelling conventions.
1319 2006-05-27 Richard Guenther <rguenther@suse.de>
1322 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1323 to produce a constant of value 1 of generic type.
1325 2006-05-27 Dirk Mueller <dmueller@suse.de>
1327 * cgraphunit.c (decide_is_function_needed): Fix wrong
1330 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1332 PR rtl-optimization/27661
1333 * reload.c (find_reloads): When reloading a VOIDmode constant
1334 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1335 use Pmode as mode of the reload register.
1337 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1339 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1340 is enabled at -O and above.
1342 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1345 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1348 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1351 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1352 for anonymous variables explicitly declared by front ends.
1354 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1356 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1357 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1358 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1359 ref-all pointers, run a finalization pass for them.
1360 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1361 (finalize_ref_all_pointers): New function.
1362 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1363 regular pointer type to a ref-all pointer type.
1364 (get_tmt_for): Return the special memory tag for ref-all pointers.
1366 2006-05-25 Richard Guenther <rguenther@suse.de>
1369 * fold-const.c (fold_binary): Do not look at the stripped
1370 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1372 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1374 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1375 for LT and GT if the computed range is effectively empty.
1377 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1380 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1381 mips_quad_format formats instead of ieee_single_format,
1382 ieee_double_format and ieee_quad_format formats, respectively.
1384 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1386 PR tree-optimization/27639
1387 PR tree-optimization/26719
1388 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1389 call to scev_probably_wraps_p.
1390 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1391 used_in_pointer_arithmetic_p, convert_step): Removed.
1392 (nowrap_type_p): New function.
1393 (scev_probably_wraps_p): Rewritten.
1394 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1395 chrec_convert if chrec_convert_aggressive might have been used.
1396 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1397 scev_direction): New functions.
1398 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1399 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1400 instead of convert_step.
1401 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1402 (convert_step): Declaration removed.
1403 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1405 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1407 * df-core.c: Added to header comments.
1408 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1409 df_ur_bb_info, df_urec_bb_info): Added comments.
1410 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1411 urec, ri problems): Fixed header comments.
1412 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1413 code from df_rd_transfer_function.
1415 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1417 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1418 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1419 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1421 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1423 * expr.c (undefined_operand_subword_p): New.
1424 (emit_move_multi_word): Do not generate move from undefined bits
1425 of a paradoxical subreg.
1427 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1429 PR rtl-optimization/27736
1430 * combine.c (replaced_rhs_value): New variable.
1431 (combine_instructions): Set it.
1432 (distribute_notes): When distributing a note in replaced_rhs_insn,
1433 check whether the value was used in replaced_rhs_value.
1435 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1438 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1439 add_referenced_var instead of add_referenced_tmp_var.
1440 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1441 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1443 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1444 tree_optimize_tail_calls_1): Use add_referenced_var.
1445 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1446 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1447 Use add_referenced_var.
1448 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1449 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1450 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1451 Use add_referenced_var.
1452 * tree-dfa.c (struct walk_state): Remove.
1453 (find_referenced_vars): Remove walk state and vars_found hash table.
1454 (make_rename_temp): Use add_referenced_var.
1455 (find_vars_r): Pass less parameters to add_referenced_var.
1456 (referenced_var_p): New. Is var in referenced_var hash table.
1457 (referenced_var_insert): Assert var isn't already in hash table.
1458 (add_referenced_var): Don't need walk_state parameter. Add var if it
1459 isn't already in the hash table.
1460 (add_referenced_tmp_var): Remove.
1461 (find_new_referenced_vars_1): Use add_referenced_var.
1462 * tree-ssa-pre.c (create_expression_by_pieces,
1463 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1464 Use add_referenced_var.
1465 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1466 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1467 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1469 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1470 vect_create_data_ref_ptr, vect_create_destination_var,
1471 vect_init_vector, vect_build_loop_niters,
1472 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1473 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1474 Use add_referenced_var.
1475 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1476 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1477 (add_referenced_var): Add prototype.
1478 * tree-ssa-structalias.c (get_constraint_for,
1479 intra_create_variable_infos): Use add_referenced_var.
1481 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1483 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1484 big-endian paradoxical subregs.
1485 * var-tracking.c (struct micro_operation_def): Document that,
1486 for modify micro operations, insn is the subsequent instruction.
1487 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1488 (var_reg_set, var_mem_set): ... new functions.
1489 (add_stores): Record subsequent insn.
1490 (compute_bb_dataflow): Use new functions for MO_USE.
1491 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1492 notes after the insn, and modify notes before the insn known
1493 to be the subsequent one.
1494 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1496 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1499 * config/i386/i386.c (ix86_expand_builtin): Use
1500 gen_sse3_monitor64 for TARGET_64BIT.
1502 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1504 PR rtl-optimization/26375
1505 PR rtl-optimization/26855
1506 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1508 (df_ru_bb_local_compute): Reversed statements and removed bogus
1509 comment explaining why they should be in wrong order.
1510 (df_ru_dump, df_rd_dump): Enhanced debug info.
1511 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1513 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1514 reaching uses and fixed space problem.
1516 2006-05-23 Jan Hubicka <jh@suse.cz>
1518 * cgraphunit.c (decide_is_function_needed): Also nested functions
1519 and functions declared inline can be optimized out at -O0.
1521 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1523 * doc/install.texi (Configuration): Remove reference to CrossGCC
1527 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1530 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1531 ix86_compare_emitted is non-NULL.
1533 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1536 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1539 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1541 PR rtl-optimization/25514
1542 * combine.c (replaced_rhs_insn): New variable.
1543 (combine_instructions): Set replaced_rhs_insn when trying to replace
1544 a SET_SRC with a REG_EQUAL note.
1545 (distribute_notes): Use replaced_rhs_insn when determining the live
1546 range of a REG_DEAD register.
1548 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1549 Anatoly Sokolov <aesok@post.ru>
1551 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1552 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1553 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1554 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1555 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1556 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1557 at90usb647, at90usb1286 and at90usb1287 devices.
1558 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1559 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1561 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1563 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1565 2006-05-22 Richard Guenther <rguenther@suse.de>
1568 2006-01-31 Richard Guenther <rguenther@suse.de>
1569 Paolo Bonzini <bonzini@gnu.org>
1571 * doc/install.texi (--disable-libgcc-math): Document.
1573 2006-05-22 Richard Guenther <rguenther@suse.de>
1576 2006-01-31 Richard Guenther <rguenther@suse.de>
1578 * doc/invoke.texi (-msselibm): Document.
1579 * target.h (expand_library_builtin): New target hook.
1580 * builtins.c (expand_builtin): Use expand_library_builtin.
1581 (default_expand_library_builtin): New function.
1582 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1583 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1584 (link_gcc_math_spec): Declare.
1585 (static_specs): Add link_gcc_math_spec.
1586 * expr.h (default_expand_library_builtin): Declare.
1587 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1588 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1589 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1590 * config/i386/i386.opt (msselibm): New target option.
1591 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1592 (ix86_init_sse_abi_builtins): New function.
1593 (ix86_expand_library_builtin): Likewise.
1594 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1595 (override_options): Handle error conditions wrt -msselibm.
1596 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1597 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1598 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1601 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1604 * c-common.c (self_promoting_args_p): Skip erroneous args.
1607 * c-decl.c (finish_struct): Skip erroneous fields.
1609 2006-05-22 Nick Clifton <nickc@redhat.com>
1611 * config/cris/cris.opt (march): Remove VarExists attribute.
1612 (max-stackframe=): Likewise.
1614 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1616 * doc/rtl.texi: Fix a typo.
1617 * see.c: Fix comment typos.
1619 * tree-ssa-structalias.h (alias_info): Remove num_references.
1621 2006-05-21 Mike Stump <mrs@apple.com>
1623 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1625 (darwin_pragma_options): Use BAD instead.
1626 (darwin_pragma_unused): Likewise.
1627 (darwin_pragma_ms_struct): Likewise.
1629 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1631 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1633 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1635 PR rtl-optimization/27671
1636 * simplify-rtx.c (simplify_relational_operation_1): Fix
1637 simplifications of (eq/ne (xor x y) y) and
1638 (eq/ne (xor x y) x).
1640 PR tree-optimization/26622.
1641 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1644 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1646 * tree-cfg.c: Prune whitespace.
1647 (debug_tree_cfg): Point to correct header containing the
1650 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1653 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1655 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1658 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1659 or sorry count is non zero.
1661 2006-05-20 Andreas Schwab <schwab@suse.de>
1663 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1665 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1666 Kenneth Zadeck <zadeck@naturalbridge.com>
1668 PR rtl-optimization/26855
1670 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1672 (df_scan_alloc): Added code to properly handle multiword hard
1673 registers and add all_blocks parameter.
1674 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1675 code to properly handle multiword hard registers.
1676 (df_rescan_blocks): Added code to remove deleted blocks from
1678 (df_ref_create_structure, df_ref_record): Added code to properly
1680 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1681 and set DF_REF_PARTIAL.
1682 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1683 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1684 (df_scan_add_problem): Added flags parameter.
1685 (df_ref_create_structure): Changed switching structure.
1686 (df_bb_refs_record): Fixed case where duplicate artificial refs
1687 were created. Changed location of flags.
1688 (df_record_entry_block_defs): Added code to make stack pointer
1689 live in entry block. Refined cases where frame pointer is needed.
1690 Changed location of flags.
1691 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1692 (df_set_state): Removed function.
1693 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1694 df_insn_create_insn_record, df_insn_refs_delete,
1695 df_ref_create_structure): Formatting changes.
1696 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1697 df_delete_basic_block): New function.
1698 (df_init): Changed location of flags.
1699 (df_add_problem): Added flags parameter and the way flags are
1701 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1702 debug_df_chain): Improved debugging output.
1703 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1704 (df_refs_chain_dump): Removed df parameter.
1705 (df_iterative_dataflow): Added consistency check.
1706 (df_prune_to_subcfg): Made public.
1707 (df_analyze_problem): Added blocks_to_init parameter and made
1709 (df_ref_record, df_bb_refs_record, df_mark_reg,
1710 df_record_exit_block_uses): Whitespace changes.
1711 (df_dump): Whitespace changes.
1712 * df.h: Some reordering to remove forward references.
1713 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1714 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1715 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1716 (dataflow.flags): New field.
1717 (df.flag): Deleted field.
1718 (df_alloc_function): Added additional bitmap parameter.
1719 (df_dependent_problem_function): New type.
1720 (df_problem.changeable_flags): New field.
1721 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1722 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1723 (df_mw_hardreg): New struct.
1724 (DF_INSN_UID_MWS): New macro.
1725 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1727 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1728 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1729 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1730 (df_set_state): Removed function.
1731 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1732 * df-problems.c (df_chain_dump): Removed df parameter.
1733 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1734 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1736 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1737 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1738 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1739 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1740 DF_REF_MUST_CLOBBER cases.
1741 (df_ru_bb_local_compute_process_def,
1742 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1743 df_lr_bb_local_compute, df_ur_bb_local_compute,
1744 df_chain_create_bb): Made subreg aware.
1745 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1746 df_lr_bb_local_compute, df_lr_bb_local_compute,
1747 df_chain_create_bb): Cleanup to use proper macros.
1748 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1749 code to fixup bitvectors.
1750 (df_ri_alloc): Cleared lifetime.
1751 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1752 df_create_unused_note): New function.
1753 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1754 REG_DEAD and REG_UNUSED notes as well as register information.
1755 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1756 df_chains_dump): Fixed crash if problem was never run.
1757 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1758 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1759 df_ri_add_problem): Processes flags in uniform manner.
1760 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1761 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1762 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1763 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1764 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1765 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1766 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1767 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1768 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1769 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1770 * see.c (see_initialize_data): Ditto.
1771 * final.c (rest_of_clean_state) Added regstack_completed.
1772 * rtl.h (regstack_completed): Ditto.
1773 * reg-stack.c (regstack_completed): Ditto.
1775 2006-05-19 Mike Stump <mrs@apple.com>
1777 * c-tree.h (default_conversion): Remove.
1778 * c-common.h (default_conversion): Add.
1780 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1782 * tree-vrp.c (valid_value_p): New function.
1783 (adjust_range_with_scev): Fail if the value of bound is not
1786 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1788 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1789 (mips_fallback_frame_state): Use syscall numbers to determine
1790 the appropriate li instruction for the current ABI. Only use
1791 __NR_sigreturn for o32.
1793 2006-05-19 Nicolas Setton <setton@adacore.com>
1795 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1796 * langhooks.c (lhd_dwarf_name): New function.
1797 * langhooks-def.h (lhd_dwarf_name): Declare.
1798 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1799 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1800 * ada/misc.c (gnat_dwarf_name): New function.
1801 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1803 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1805 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1807 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1808 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1809 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1810 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1811 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1812 determine the size of Wtype, etc.
1813 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1814 (swfloatfuncs): New variable.
1815 (dwfloatfuncs): Likewise.
1816 (lib2funcs): Remove floating-point conversion functions from
1817 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1818 the set of conversion routines needed. Allow entries to specify
1819 an object name, filename and word size. Update users accordingly.
1820 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1821 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1825 2006-02-08 Roger Sayle <roger@eyesopen.com>
1828 * config/fixtfdi.c: New libgcc source file.
1829 * config/fixunstfdi.c: New source file.
1830 * config/floatditf.c: New source file.
1831 * config/floatunditf.c: New souce file.
1832 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1833 files above instead of config/mips/_tilib.c.
1834 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1836 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1838 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1839 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1841 2006-05-18 Mike Stump <mrs@apple.com>
1843 Fix up vla, vm and [*] sematics.
1849 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1850 (c_vla_unspec_p): Add.
1851 (c_vla_type_p): Add.
1852 * c-decl.c (struct c_scope): Add had_vla_unspec.
1853 (build_array_declarator): Add support for [*].
1854 (grokdeclarator): Likewise.
1855 (grokparms): Likewise.
1856 (get_parm_info): Likewise.
1857 * c-objc-common.c (c_vla_unspec_p): Likewise.
1858 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1859 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1860 typeof when argument is a variably modified type not inside sizeof or alignof.
1861 (c_parser_direct_declarator_inner): Propagate errors.
1862 (c_parser_sizeof_expression): Add support for [*].
1863 (c_parser_parms_declarator): Initialize had_vla_unspec.
1864 (c_parser_parms_list_declarator): Likewise.
1865 * c-typeck.c (c_vla_type_p): Add.
1866 (composite_type): Add support for vla compositing.
1867 (comptypes_internal): Add support for vla compatibility.
1868 (c_expr_sizeof_expr): Evaluate vla arguments.
1869 * tree.c (variably_modified_type_p): Update comment for [*].
1871 2006-05-18 Michael Matz <matz@suse.de>
1874 * config.host: Make assignments to host_xmake_file cumulative.
1875 * config.host (*-darwin*): Test $host, not $target.
1877 2006-05-12 Stuart Hastings <stuart@apple.com>
1879 * config/i386/i386.opt (-mstackrealign): New flag.
1880 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1881 (ix86_handle_cconv_attribute): Emit error when
1882 force_align_arg_pointer attribute collides with too many regparms.
1883 (ix86_function_regparm): Limit regparms when used with
1884 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1885 Support stack-realigning prologue in non-main functions. Emit
1886 warning for nested functions under -mstackrealign, emit error for
1887 nested functions with force_align_arg_pointer attribute.
1888 * doc/extend.texi (force_align_arg_pointer): Document it.
1889 * doc/invoke.texi (-mstackrealign): Document it.
1891 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1893 PR rtl-optimization/27477
1894 * combine.c (try_combine): Don't split a parallel consisting
1895 of two sets into two individual sets if both sets reference
1898 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1900 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1901 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1903 * doc/options.texi (VarExists): Updated.
1905 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1907 * unwind-dw2.c: Add declarations for uw_update_context and
1909 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1910 detected, advance frame state and context once to skip over stub.
1912 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1916 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1917 Call rewrite_into_loop_closed_ssa only when something changed.
1918 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1919 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1920 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1921 Test for perfect_nest_p here. Fix formating.
1922 (replace_uses_equiv_to_x_with_y): Fix formating.
1923 (stmt_uses_op): Removed.
1924 (can_convert_to_perfect_nest): Removed loopivs parameter.
1925 Complete the test by checking the scalar dependences.
1926 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1929 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1932 From Dan Kegel <dank@kegel.com>:
1933 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1935 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1937 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1938 if the element type is variably modified without recursing.
1940 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1943 * tree-loop-linear.c (try_interchange_loops): Test for
1944 no data dependences.
1946 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1948 PR tree-optimization/27548
1949 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1950 range of ssa names that appear on abnormal edges.
1951 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1952 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1954 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1957 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1959 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1962 * tree.h (OMP_PARALLEL_COMBINED): Define.
1963 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1964 (new_omp_context): Add is_combined_parallel argument.
1965 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1966 new_omp_context caller.
1967 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1968 Adjust gimplify_scan_omp_clauses callers.
1969 (omp_is_private): Issue errors if iteration variable is firstprivate
1970 or reduction in the current context.
1971 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1972 on combined parallel workshare constructs.
1974 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1976 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1977 (gcc-options.o): New rule.
1979 * optc-gen.awk: Protect variables for gcc-options.o with
1980 #ifdef GCC_DRIVER/#endif.
1982 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1984 Fix PR tree-optimization/27373
1985 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1986 (forward_propagate_addr_expr): Update call.
1988 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1990 * doc/options.texi: Move the Negative option.
1992 2006-05-16 Richard Guenther <rguenther@suse.de>
1994 PR tree-optimization/22303
1995 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1997 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1998 ccp_fold did not simplify the statement.
2000 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2003 * Makefile.in (GCC_OBJS): New.
2004 (OBJS-common): Add opts-common.o.
2005 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2006 (cpp$(exeext)): Likewise.
2007 (gcc.o): Also depend on opts.h.
2008 (opts-common.o): New.
2010 * common.opt (gcoff): Add Negative(gdwarf-2).
2011 (gdwarf-2): Add Negative(gstabs).
2012 (gstabs): Add Negative(gstabs+).
2013 (gstabs+): Add Negative(gvms).
2014 (gvms): Add Negative(gxcoff).
2015 (gxcoff): Add Negative(gxcoff+).
2016 (gxcoff+): Add Negative(gcoff).
2017 * config/i386/i386.opt (m32): Add Negative(m64).
2018 (m64): Add Negative(m32).
2020 * doc/options.texi: Document the Negative option.
2022 * gcc.c: Include "opts.h".
2023 (main): Call prune_options after expandargv.
2025 * optc-gen.awk: Generate common declarations for all flag
2026 variables in options.c. Output the neg_index field.
2028 * opts.c (find_opt): Moved to ...
2029 * opts-common.c: Here. New file.
2031 * opts.h (cl_option): Add a neg_index field.
2033 (prune_options): Likewise.
2035 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2038 * omp-low.c (expand_omp_parallel): Don't assert
2039 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2040 instead search for it.
2043 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2046 2006-05-16 Andreas Schwab <schwab@suse.de>
2048 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2051 2006-05-15 Roger Sayle <roger@eyesopen.com>
2054 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2055 integer constants other than zero are only legitimate on TARGET_64BIT.
2056 <CONST_VECTOR> Only zero vectors are legitimate.
2057 (ix86_cannot_force_const_mem): Integral and vector constants can
2058 always be put in the constant pool.
2060 2006-05-16 DJ Delorie <dj@redhat.com>
2062 * crtstuff.c (__dso_handle): Set section from
2063 TARGET_LBIGCC_SDATA_SECTION if defined.
2064 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2065 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2067 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2070 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2073 2006-05-16 Ben Elliston <bje@au.ibm.com>
2075 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2077 2006-05-15 Per Bothner <per@bothner.com>
2079 * tree.c: (last_annotated_node): Use source_locus typedef.
2080 This permits bootstrapping with --enable-mapped-location.
2082 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2084 PR tree-optimization/26830
2085 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2086 (info_for_ssa_name, current_info_for_ssa_name_age,
2087 blocks_to_update): New variables.
2088 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2089 (clear_ssa_name_info, initialize_flags_in_bb,
2090 mark_block_for_update): New functions.
2091 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2092 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2093 prepare_def_site_for): Use mark_block_for_update.
2094 (mark_def_interesting): Assert that the processed block is marked in
2095 blocks_to_update. Do not take blocks argument.
2096 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2098 (rewrite_update_init_block, rewrite_update_stmt): Only process
2099 blocks with statements to rewrite.
2100 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2101 (update_ssa): Initialize and free blocks_to_update. Do not
2102 clear flags on statements. Do not use blocks bitmap.
2103 * tree.h (SSA_NAME_AUX): Removed.
2104 (struct tree_ssa_name): Removed aux field.
2105 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2107 2006-05-15 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/27603
2110 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2111 Do computations in original type.
2113 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2115 * see.c: Code style changes such as redundant paranthesis,
2116 redundant intialization of local variables etc.
2117 (see_main): Declared now as static.
2118 * doc/invoke.texi: Update that -fsee is not enabled by
2121 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2123 * omp-low.c (check_omp_nesting_restrictions): New function.
2124 (scan_omp_1): Call it.
2127 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2128 construct, return *VAR.
2130 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2132 PR rtl-optimization/27406
2133 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2136 2006-05-14 Roger Sayle <roger@eyesopen.com>
2138 PR rtl-optimization/27538
2139 * combine.c (expand_compound_operation): Call gen_lowpart
2140 before calling simplify_shift_const.
2142 2006-05-14 Roger Sayle <roger@eyesopen.com>
2144 PR rtl-optimization/22563
2145 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2146 a fixed width bitfield, always force the intermediates into psuedos.
2148 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2151 * mkconfig.sh: Use operator = instead of == for test.
2153 2006-05-13 Nick Clifton <nickc@redhat.com>
2155 * dwarf2out.c (dbx_reg_number): Check return value from
2156 LEAF_REG_REMAP and only use it if it is valid.
2157 (multiple_reg_loc_descriptor): Likewise.
2159 2006-05-13 Richard Guenther <rguenther@suse.de>
2161 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2164 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2166 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2167 information attached to non-INSNs such as NOTEs.
2168 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2170 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2172 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2174 * config/s390/s390.md: Adjust comment describing On constraint.
2176 2006-05-11 Jan Hubicka <jh@suse.cz>
2178 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2179 to be output at -O0.
2181 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2184 * fold-const.c (size_binop): Move sanity check for arguments to
2185 the beginning of the function.
2188 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2191 2006-05-11 Richard Guenther <rguenther@suse.de>
2194 * fold-const.c (fold_unary): Handle intermediate conversion
2195 to a pointer type like intermediate conversion to an integer
2196 type in folding of (T1)(T2)var to var.
2197 Match the code to the comment in the final conversion for
2198 (T1)(T2)var to (T1)var regarding to type precision. Rather
2199 than disallow T1 being of pointer type, assert that both T1
2200 and var are of pointer type or not. Make sure not to fall
2201 over the frontends lazyness wrt array to pointer decay though.
2203 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2205 * arm.c (arm_struct_value_rtx): Delete.
2206 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2207 (arm_init_cumulative_args): Always initialize nregs to zero.
2209 2006-05-10 Richard Guenther <rguenther@suse.de>
2211 PR tree-optimization/27532
2212 * tree-object-size.c (plus_expr_object_size): Fix typo.
2214 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2217 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2218 ashrdi_const, ashrdi3): Use a scratch register.
2220 2006-05-10 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/27302
2223 * fold-const.c (operand_equal_p): For two comparisons,
2224 try comparison of one comparison code swapped if that yields
2227 2006-05-10 Ben Elliston <bje@au.ibm.com>
2229 * tree-pretty-print.c (pretty_print_string): No need to handle
2230 '\0' as a special character.
2232 * tree.h: Include "hashtab.h".
2233 (iterative_hash_expr): Use hashval_t in its prototype.
2234 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2236 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2239 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2240 (hppa*64*-*-hpux11*): Ditto.
2241 (hppa[12]*-*-hpux11*): Ditto.
2243 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2246 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2248 2006-05-09 Michael Matz <matz@suse.de>
2250 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2251 host_extra_gcc_objs and host_xmake_file.
2252 (<*-*-linux*>): Don't overwrite host_xmake_file.
2253 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2254 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2255 (host_detect_local_cpu): Declare.
2256 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2257 * config/i386/i386.c (override_options): Handle -mtune=native
2259 * config/i386/x-i386: New file.
2260 * config/i386/driver-i386.c: New file.
2261 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2264 2006-05-09 Dirk Mueller <dmueller@suse.de>
2265 Richard Guenther <rguenther@suse.de>
2268 * fold-const.c (fold_read_from_constant_string): Relax check
2269 for matching types to matching modes.
2271 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2273 PR rtl-optimization/27335
2274 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2277 2006-05-08 Chao-ying Fu <fu@mips.com>
2278 Richard Sandiford <richard@codesourcery.com>
2280 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2281 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2282 * config/mips/mips.md (UNSPEC_SCC): New constant.
2283 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2284 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2285 (mips_emit_compare): Use it.
2286 (mips_expand_vcondv2sf): New function.
2288 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2290 Fix PR tree-optimization/27093
2291 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2292 renaming when they become not-used_alone.
2294 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2296 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2297 relocation and relocation stubs.
2299 2006-05-08 Eric Christopher <echristo@apple.com>
2301 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2304 2006-05-08 Jan Hubicka <jh@suse.cz>
2307 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2308 unused static functions are needed.
2310 2006-05-08 Roger Sayle <roger@eyesopen.com>
2313 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2314 of a reg_equiv_constant if the result is a legitimate constant.
2316 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2319 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2320 standard 80387 constants, raise the cost to prevent
2321 compress_float_constant() to generate load from memory.
2323 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2325 * config/arm/constraints.md (c): Fix a typo.
2327 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2330 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2333 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2335 (_mm_mwait): Likewise.
2337 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2339 (sse3_monitor): Make it 32bit only.
2340 (sse3_monitor64): New. 64bit monitor.
2342 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2345 * config/i386/i386.c (classify_argument): Skip fields with invalid
2348 2006-05-07 Richard Guenther <rguenther@suse.de>
2350 PR tree-optimization/27409
2351 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2352 Do not try to find zero-sized subvars.
2354 2006-05-07 Richard Guenther <rguenther@suse.de>
2356 PR tree-optimization/27136
2357 * tree-ssa-loop-niter.c (get_val_for): Correct function
2358 comment, assert requirements.
2359 (loop_niter_by_eval): Stop processing if the iterated
2360 value did not simplify.
2362 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2364 * opts.c (flag_see): remove its setting at -O3.
2366 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2368 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2369 * arm/constraints.md: New file.
2370 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2371 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2372 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2373 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2374 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2375 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2376 * arm.md: Include constraints.md.
2377 (thumb_movsi_insn): Use satisfies_constraint_J.
2378 (movhi, movqi): Use satisfies_constraint_I.
2380 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2382 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2383 for atmeg a645 device.
2385 2006-05-06 Richard Guenther <rguenther@suse.de>
2387 PR tree-optimization/27151
2388 * tree-vect-transform.c (vectorizable_condition): Punt on
2389 values that have a different type than the condition.
2391 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2394 * c-parser.c (c_parser_cast_expression): Only insert casts into
2395 hash table if pointer.
2396 * function.c (used_types_insert_helper): Rename from
2398 (used_types_insert): Call used_types_insert_helper.
2399 * function.h (used_types_insert): Accept only one argument.
2401 2006-05-05 David Edelsohn <edesohn@gnu.org>
2403 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2404 scratch with output modifier.
2406 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2409 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2410 with output modifier.
2412 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2415 * config/mips/mips.c (mips_symbolic_address_p): Return true
2416 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2417 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2419 2006-05-04 Richard Guenther <rguenther@suse.de>
2421 PR tree-optimization/14287
2422 PR tree-optimization/14844
2423 PR tree-optimization/19792
2424 PR tree-optimization/21608
2425 PR tree-optimization/27090
2426 * tree-ssa-pre.c (try_combine_conversion): New function.
2427 (compute_avail): After constructing the value-handle
2428 expression, use try_combine_conversion to combine NOP_EXPRs
2429 with previous value-handle expressions and use the result if it
2432 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2434 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2436 2006-05-04 Jan Hubicka <jh@suse.cz>
2439 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2441 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2443 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2444 that this only matches CONST_INTs. All users changed to VOIDmode
2447 * config/bfin/bfin.c: Include "optabs.h".
2448 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2450 (enum bfin_builtins): Add a number of fractional and vector builtins.
2451 (bfin_init_builtins): Likewise.
2452 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2453 (safe_vector_operand, bfin_expand_binop_builtin,
2454 bfin_expand_unop_builtin): New functions.
2455 (bfin_expand_builtin): Handle the new builtins.
2456 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2459 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2462 * Makefile.in (OBJS-common): Add see.o.
2463 (see.o): Add dependencies.
2464 * common.opt (fsee): New flag for the see optimization was added.
2465 * opts.c (flag_see): Initialized.
2466 * passes.c (init_optimization_passes, pass_see): New pass.
2467 * rtl.h (see_main): Declaration as extern.
2468 * timevar.def (TV_SEE): New.
2469 * tree-pass.h (pass_see): Declaration as extern.
2470 * invoke.texi (-fsee): Document.
2471 * recog.c (validate_simplify_insn): New function.
2472 * recog.h (validate_simplify_insn): Declaration as extern.
2473 * df-problems.c (df_chain_dump): Check for NULL.
2475 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2476 Daniel Berlin <dberlin@dberlin.org>
2478 * cfgrtl.c (insert_insn_bb_end_new): New function.
2479 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2481 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2483 * df.h (struct web_entry): Moved from web.c.
2484 (union_defs): Declaration as extern.
2485 (unionfind_root): Likewise.
2486 (unionfind_union): Likewise.
2487 * web.c (struct web_entry): Moved to df.h.
2488 (unionfind_root): Remove static declaration.
2489 (unionfind_union): Likewise.
2490 (union_defs): Likewise and generalize to use callback function.
2491 (web_main): Update arguments for union_defs function call.
2493 2006-05-04 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/26447
2496 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2497 produce SSA_NAME copies before the store stmt to avoid
2498 breaking exception handling.
2500 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2503 * gimplify.c (omp_is_private): If var is shared in some outer context,
2504 return false instead of true. Stop searching on parallel context
2507 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2510 * coverage.c: Use get_gcov_unsigned_t() instead of
2511 unsigned_type_node all over.
2513 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2515 PR tree-optimization/27381
2516 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2517 maintain the same immediate_use links.
2518 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2519 node rather than segfaulting.
2521 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2524 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2525 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2526 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2528 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2530 Fix PR tree-optimization/26626
2531 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2533 * tree-ssa-operands.c (access_can_touch_variable): Allow
2534 typecasting through union pointers.
2536 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2539 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2540 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2541 to find if var will be a global variable even in the nested context.
2542 (omp_copy_decl): Only check for global variable at the end, it might
2543 be overridden in outer contexts.
2544 (scan_sharing_clauses): For global variables don't create a field.
2545 (lower_rec_input_clauses): Do nothing for global shared variables.
2546 Emit a barrier at the end of ILIST if there were any decls in both
2547 firstprivate and lastprivate clauses.
2548 (lower_send_clauses): Do nothing for global variables except for
2551 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2553 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2554 of the correct signedness is returned.
2556 2006-05-02 Jeff Law <law@redhat.com>
2558 PR tree-optimization/27364
2559 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2560 multiply expressions.
2562 2006-05-02 Tom Tromey <tromey@redhat.com>
2564 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2566 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2569 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2570 -mthumb -fPIC are used.
2572 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2573 Joshua Kinard <kumba@gentoo.org>
2576 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2577 with 64-bit pointers.
2579 2006-05-02 Paul Brook <paul@codesourcery.com>
2581 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2583 (create_fix_barrier): Check that a suitable barrier location is
2585 (arm_reorg): Include ftmp->address in allowable range of addresses.
2587 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2590 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2593 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2596 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2597 around RESULT_DECL for result passed by reference.
2598 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2599 * omp-low.c (use_pointer_for_field): Don't look at
2600 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2601 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2602 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2603 time or var for passing by reference for
2604 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2605 TREE_ADDRESSABLE variables when passing by reference.
2607 * omp-low.c (dump_omp_region): Fix output formatting.
2610 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2611 (expand_omp_parallel): Likewise.
2612 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2615 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2616 on statement list containing also constructors and destructors.
2617 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2620 * except.c (duplicate_eh_regions): Fix clearing of
2621 cfun->eh->region_array entries.
2623 2006-05-01 DJ Delorie <dj@redhat.com>
2625 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2627 (gcc_cv_objdump): Likewise.
2628 * configure: Regenerated.
2630 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2633 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2634 templates for case 3 and 4.
2636 2006-05-01 DJ Delorie <dj@redhat.com>
2638 * vec.c: Include bconfig.h when appropriate.
2639 * Makefile.in (build/vec.o): Adjust dependencies.
2640 * mkconfig.sh: Make sure config.h isn't used for build machine
2643 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2645 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2647 (mark_phi_for_rewrite): New function.
2648 (insert_phi_nodes_for, mark_use_interesting): Call
2649 mark_phi_for_rewrite.
2650 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2651 (update_ssa): Initialize and free phis_to_rewrite.
2653 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2655 PR rtl-optimization/27291
2656 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2657 folded to a constant.
2659 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2661 PR tree-optimization/27283
2662 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2663 not whole # of iteration descriptions.
2664 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2665 uses abnormal ssa name.
2666 (niter_for_single_dom_exit): Ditto.
2667 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2668 return just the number of iterations.
2670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2672 PR tree-optimization/27144
2673 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2674 (record_estimate): Only record constant upper bound.
2675 (infer_loop_bounds_from_undefined): Call
2676 compute_estimated_nb_iterations just once.
2677 (proved_non_wrapping_p): Renamed to ...
2678 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2679 (convert_step_widening, scev_probably_wraps_p): Call
2680 n_of_executions_at_most instead of proved_non_wrapping_p.
2681 (substitute_in_loop_info): Do not replace values in bounds.
2682 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2685 2006-05-01 Richard Henderson <rth@redhat.com>
2688 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2689 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2692 2006-05-01 Roger Sayle <roger@eyesopen.com>
2694 * c-typeck.c (parser_build_binary_op): Don't call the function
2695 unsigned_conversion_warning to spot operand/result type overflow.
2696 (build_binary_op): Instead, call convert_and_check instead of
2697 convert to report the problem when the operands are promoted.
2698 * c-common.c (unsigned_conversion_warning): Make static.
2699 * c-common.h (unsigned_conversion_warning): Delete prototype.
2701 2006-05-01 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/26726
2704 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2706 (find_interesting_uses_address): ... we work around here
2707 by folding INDIRECT_REFs in the substituted base.
2709 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2711 * omp-low.c (dump_omp_region): Add newlines.
2713 2006-04-30 Roger Sayle <roger@eyesopen.com>
2715 * common.opt (Woverflow): New command line option.
2716 * c-common.c (constant_expression_warning): Check warn_overflow.
2717 (overflow_waring): Pass OPT_Woverflow to warning.
2718 (unsigned_conversion_warning): Likewise.
2719 (convert_and_check): Likewise.
2720 * doc/invoke.texi: Document new command line option.
2722 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2724 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2725 TARGET_NO_FP_IN_TOC for section anchors.
2726 (optimization_options): Enable section anchors for all
2727 non-"Objective" languages.
2729 2006-04-28 Eric Christopher <echristo@apple.com>
2731 * config/darwin-c.c (darwin_ms_struct): Move this
2732 (darwin_set_default_type_attributes): and this...
2733 * config/darwin.c: ... here.
2734 * config/darwin.h (darwin_ms_struct): Declare.
2736 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2740 2006-04-28 Roger Sayle <roger@eyesopen.com>
2743 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2744 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2745 an unsigned HOST_WIDE_INT.
2746 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2748 (really_start_incremental_init): No need to call convert because
2749 bitsize_zero_node is already of type bitsizetype.
2750 (push_init_level): Extract the value of constructor_index as an
2751 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2752 (process_init_element): Likewise.
2754 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2756 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2757 value before passing to make_relative_prefix.
2759 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2762 * builtins.c (expand_builtin_memset): Expand val in original mode.
2764 2006-04-27 Eric Christopher <echristo@apple.com>
2766 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2767 with #ifndef/#endif.
2768 * config/darwin-c.c (darwin_ms_struct): New.
2769 (darwin_pragma_ms_struct): Ditto.
2770 (darwin_set_default_type_attributes): Ditto.
2771 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2772 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2773 Register ms_struct pragma.
2774 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2775 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2776 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2777 darwin_set_default_type_attributes if TARGET_MACHO.
2779 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2781 PR tree-optimization/26854
2782 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2783 * doc/tree-ssa.texi: Update immuse iterator documentation.
2784 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2785 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2786 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2787 first_safe_imm_use, next_safe_imm_use): Remove.
2788 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2789 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2790 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2791 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2792 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2793 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2794 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2795 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2796 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2797 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2798 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2799 (perfect_nestify): Use new iterator.
2800 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2802 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2803 (next_imm_name): New field in struct immediate_use_iterator_d.
2804 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2805 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2806 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2807 * tree-cfg.c (replace_uses_by): Use new iterator.
2808 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2809 * tree-ssa-operands.c (correct_use_link): Remove.
2810 (finalize_ssa_use_ops): No longer call correct_use_link.
2812 2006-04-27 Stuart Hastings <stuart@apple.com>
2814 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2815 * config/t-darwin (crt3.o): Use it.
2816 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2817 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2818 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2819 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2820 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2823 2006-04-27 Roger Sayle <roger@eyesopen.com>
2825 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2826 size, force the intermediate into a new pseudo rather instead of
2827 performing both a bitwise AND and a bitwise IOR in memory.
2829 2006-04-27 Richard Guenther <rguenther@suse.de>
2831 PR rtl-optimization/26685
2832 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2833 this one "max-flow-memory-locations".
2835 2006-04-27 Richard Guenther <rguenther@suse.de>
2837 PR tree-optimization/25148
2838 * tree-vrp.c (compare_values): Remove code dealing with
2839 comparisons against type min/max value. Honour overflow
2840 and negative constants in code dealing with comparisons
2841 of plus and minus expressions.
2842 (value_inside_range): Use fold_binary with LE_EXPR and
2843 GE_EXPR rather than compare_values.
2845 2006-04-27 Dirk Mueller <dmueller@suse.de>
2847 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2850 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2852 * basic-block.h (safe_insert_insn_on_edge): Removed.
2853 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2855 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2856 Paolo Bonzini <bonzini@gnu.org>
2859 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2860 (simplify_and_const_int): Same.
2862 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2864 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2866 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2869 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2870 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2871 cgraph_global_info_ready.
2874 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2877 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2878 either decl or init is error_mark_node.
2881 * tree-flow.h (struct omp_region): Add sched_kind.
2882 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2883 instead of extracting omp for data.
2884 (expand_omp_for): Save extracted sched_kind.
2886 2006-04-25 Roger Sayle <roger@eyesopen.com>
2888 * expmed.c (store_bit_field): Also check whether the bitsize is
2889 valid for the machine's "insv" instruction before moving the
2890 target into a pseudo for use with the insv.
2891 * config/i386/predicates.md (const8_operand): New predicate.
2892 * config/i386/i386.md (extv, extzv, insv): Use the new
2893 const8_operand predicate where appropriate.
2895 2006-04-25 DJ Delorie <dj@redhat.com>
2897 * doc/install.texi (Specific): Clarify that this is not a list of
2898 supported hosts or targets.
2900 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2902 PR rtl-optimization/26725
2903 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2904 block's BB_DIRTY flag.
2906 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2908 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2911 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2912 to print an integer.
2914 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2916 * varasm.c (align_variable): New function.
2917 (get_block_for_decl): Apply align_variable to DECL before
2918 calculating section information.
2919 (assemble_variable): Split out alignment computation.
2921 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2923 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2926 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2928 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2929 MODE_PARTIAL_INT mode.
2930 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2931 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2933 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2934 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2936 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2938 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2940 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2941 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2942 MACFLAG_IH): Likewise.
2943 (movstricthi_1): Renamed from "*movstricthi".
2944 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2945 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2946 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2947 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2948 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2949 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2950 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2951 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2952 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2953 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2954 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2955 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2956 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2957 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2958 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2960 * doc/rtl.texi (ss_ashift): Improve wording.
2962 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2964 * dwarf2out.c (verify_marks_clear): New.
2965 (prune_unused_types): Call verify_marks_clear initially, not
2968 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2970 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2971 * doc/rtl.texi: Document them.
2972 * simplify-rtx.c (simplify_unary_operation,
2973 simplify_binary_operation_1): Don't abort when we see them.
2975 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2978 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2979 * configure.ac: Completely disregard languages that are not
2981 * configure: Regenerated.
2983 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2984 Richard Guenther <rguenther@suse.de>
2986 PR tree-optimization/27236
2987 * tree-inline.c (copy_body_r): Make sure to copy
2988 TREE_THIS_VOLATILE flag.
2990 2006-04-24 Richard Guenther <rguenther@suse.de>
2993 * tree-complex.c (update_parameter_components): Don't handle
2994 unused parameters which have no default def.
2996 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2997 Richard Guenther <rguenther@suse.de>
2999 PR tree-optimization/27218
3000 * tree-inline.c (expand_call_inline): Strip useless type
3001 conversions for the return slot address.
3003 2006-04-24 Richard Guenther <rguenther@suse.de>
3005 * cfgloop.h (struct loops): Remove unused field array. Reorder
3007 (LOOP_PREFETCH): Remove.
3009 2006-04-24 Richard Guenther <rguenther@suse.de>
3011 PR tree-optimization/22525
3012 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3013 variable, adjust types of generated expressions.
3015 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3017 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3018 (tree-vect-patterns.o): Likewise.
3020 (cselib.o): Likewise.
3021 (loop-doloop.o): Likewise.
3022 (regclass.o): Likewise.
3023 (reload1.o): Likewise.
3024 (explow.o): Replace target.h with $(TARGET_H).
3025 (ipa-prop.o): Likewise.
3026 (ipa-cp.o): Likewise.
3027 (ipa-inline.o): Likewise.
3028 (reorg.o): Likewise.
3029 (reg-stack.o): Likewise.
3031 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3033 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3035 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3037 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3039 * configure.ac: Completely disregard languages that are not
3041 * configure: Regenerated.
3044 * c-common.h (c_build_bitfield_integer_type): Declare.
3045 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3046 * c-common.c (c_build_bitfield_integer_type): ... here.
3048 2006-04-23 Roger Sayle <roger@eyesopen.com>
3051 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3052 a SImode SUBREG of a floating point register after no_new_pseudos.
3054 2006-04-23 Roger Sayle <roger@eyesopen.com>
3056 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3057 identify potentially eliminable registers to additionally catch
3058 VIRTUAL_INCOMING_ARGS_REGNUM.
3059 (addsi3): Update the conditions on when to use addsi_small_int.
3061 2006-04-23 Roger Sayle <roger@eyesopen.com>
3064 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3065 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3066 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3068 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3070 * fold-const.c (range_predecessor): Use operand_equal_p
3071 as the predicate for equality.
3072 (range_successor): Likewise.
3074 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3077 * config/soft-fp/op-common.h: Fix a typo.
3079 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3082 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3083 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3085 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3087 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3089 * doc/tm.texi: Fix a typo.
3091 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3093 * dwarf2out.c (struct die_struct): Document that die_sib makes
3094 a circular linked list.
3095 (FOR_EACH_CHILD): New.
3096 (reverse_die_lists): Delete.
3097 (reverse_all_dies): Delete.
3098 (add_dwarf_attr): Correct documentation.
3099 (remove_child_with_prev): New.
3100 (remove_child_TAG): Update for change to die_struct, use
3101 remove_child_with_prev.
3102 (add_child_die): Update for change to die_struct.
3103 (splice_child_die): Use remove_child_with_prev and add_child_die.
3104 (print_die): Use FOR_EACH_CHILD.
3105 (die_checksum): Likewise.
3106 (assign_symbol_names): Likewise.
3107 (output_location_lists): Likewise.
3108 (build_abbrev_table): Likewise.
3109 (calc_die_sizes): Likewise.
3110 (mark_dies): Likewise.
3111 (unmark_dies): Likewise.
3112 (unmark_all_dies): Likewise.
3113 (output_die): Likewise.
3114 (prune_unused_types_mark): Likewise.
3115 (prune_unused_types_walk): Likewise.
3116 (same_die_p): Update for change to die_struct.
3117 (break_out_includes): Likewise.
3118 (prune_unused_types_prune): Likewise.
3119 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3120 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3122 (dwarf2out_finish): Don't call reverse_all_dies.
3124 2006-04-21 Eric Christopher <echristo@apple.com>
3126 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3127 in comments and function names.
3129 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3132 * c-typeck.c (digest_init): Robustify.
3134 * c-typeck.c (pop_init_level): Simplify.
3136 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3138 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3140 2006-04-21 Paul Brook <paul@codesourcery.com>
3142 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3143 hardware floating point.
3145 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3147 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3150 2006-04-21 Nick Clifton <nickc@redhat.com>
3152 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3155 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3158 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3159 C++ lang type in traceback table for Objective-C++.
3161 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3163 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3165 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3167 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3170 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3171 were errors. Remove check for erroneous objects.
3173 2006-04-20 Jeff Law <law@redhat.com>
3175 PR tree-optimization/26854
3176 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3177 checking for zero or one use.
3178 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3179 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3180 * tree-ssa-reassoc.c (negate_value): Similarly.
3181 (reassociate_bb): Similarly.
3183 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3185 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3186 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3187 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3189 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3191 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3192 fp regs if the last fp arg doesn't fit in regs.
3194 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3197 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3198 that the last insn has the REG_INC note.
3200 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3201 Nathan Sidwell <nathan@codesourcery.com>
3204 * stor-layout.c (update_alignment_for_field): Do not align
3206 (place_union_field): Place union field at the start of the union.
3207 (place_field): Move ERROR_MARK check later, and use the current
3208 allocation position to maintain monotonicity.
3210 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3212 * dominance.c: Include timevar.h.
3213 (calculate_dominance_info): Use TV_DOMINANCE.
3214 * timevar.def (TV_DOMINANCE): New timevar.
3215 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3217 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3219 PR rtl-optimization/14261
3220 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3221 move would be an INSV insn.
3222 (noce_process_if_block): Don't optimize if the destination is a
3223 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3225 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3227 * config/s390/s390.md: Add comments with the instructions emitted
3228 by an insn pattern if macros are used.
3230 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3232 PR rtl-optimization/26026
3233 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3234 is a known power of two shifted left a variable amount.
3236 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3238 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3239 to hash table twice when the debug_str section has SECTION_MERGE.
3241 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3243 * config/soft-fp: New directory. From glibc.
3244 * config/soft-fp/t-softfp: New.
3245 * config/soft-fp/README: New.
3246 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3247 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3248 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3249 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3250 * config.gcc: Use rs6000/t-fprules-fpbit or
3251 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3253 * config/rs6000/sfp-machine.h: New. Based on glibc.
3254 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3256 * config/rs6000/t-fprules: Remove fp-bit rules.
3257 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3258 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3259 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3260 (softfp_wrap_start, softfp_wrap_end): New.
3262 2006-04-18 DJ Delorie <dj@redhat.com>
3264 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3266 2006-04-18 Devang Patel <dpatel@apple.com>
3268 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3270 2006-04-18 Nick Clifton <nickc@redhat.com>
3272 * config/sh/t-symbian: Add rule to build sh-c.o
3273 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3274 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3275 (sh_symbian_encode_section_info): Likewise.
3277 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3279 * builtins.c (expand_builtin_strcmp): Cover label definition of
3280 do_libcall with HAVE_cmpstrnsi.
3282 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3284 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3286 * function.h (temp_slot_p): New.
3287 (function): Change the type of x_used_temp_slots to
3288 VEC(temp_slot_p,gc) *.
3290 2006-04-18 Nick Clifton <nickc@redhat.com>
3292 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3293 flag_strength_reduce.
3295 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3297 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3301 Partial revert of revision 112637
3302 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3303 Dale Johannesen <dalej@apple.com>
3306 * regclass.c (struct reg_pref): Update documentation.
3307 (regclass): Set prefclass to NO_REGS if memory is the best option.
3308 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3310 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3312 PR tree-optimization/26821
3313 * tree-ssa-math-opts.c (get_constant_one): New.
3314 (insert_reciprocals): Use it.
3316 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3318 * dwarf2out.c (free_AT): Delete.
3319 (remove_AT): Update string ref counts.
3320 (remove_child_TAG): Don't call free_die.
3322 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3323 or DW_TAG_GNU_EINCL.
3324 (prune_unused_types_walk_attribs): Reset string refcounts.
3325 (prune_unused_types_update_strings): New.
3326 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3327 call free_die. Do call prune_unused_types_update_strings.
3328 (prune_unused_types): Empty debug_str_hash.
3330 2006-04-17 Roger Sayle <roger@eyesopen.com>
3332 * expr.c (expand_assignment): Optimize away no-op moves where the
3333 source and destination are equal and have no side-effects.
3335 2006-04-17 Richard Guenther <rguenther@suse.de>
3338 * reload.c (push_reload): Guard calls to get_secondary_mem
3341 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3343 * alias.c (reg_base_value, old_reg_base_value): Change the
3344 type to VEC(rtx,gc) *.
3345 (REG_BASE_VALUE, find_base_value, record_set,
3346 init_alias_analysis): Use VEC instead of VARRAY.
3348 * alias.c (alias_sets): Change the type to
3349 VEC(alias_set_entry,gc) *.
3350 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3351 VEC instead of VARRAY.
3352 (last_alias_set): Remove.
3354 * cgraph.h (cgraph_edge_p): New.
3355 Update the prototype of cgraph_function_versioning.
3356 * cgraphunit.c (cgraph_copy_node_for_versioning,
3357 cgraph_function_versioning): Use VEC instead of VARRAY.
3358 * ipa-cp.c (ipcp_insert_stage): Likewise.
3360 2006-04-16 Roger Sayle <roger@eyesopen.com>
3363 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3364 "A op B" or "A op C", we may need to convert A to the type of B and C.
3366 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3368 * target.h (struct gcc_target): Add mode_rep_extended.
3369 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3370 (init_num_sign_bit_copies_in_rep): Initialize it using
3372 (truncate_to_mode): Use it.
3373 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3374 * targhooks.h (default_mode_rep_extended): Declare it.
3375 * targhooks.c (default_mode_rep_extended): Define it.
3376 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3377 default_mode_rep_extended.
3378 (TARGET_INITIALIZER): Include it.
3379 * doc/tm.texi (Misc): Document it.
3380 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3381 (mips_truncated_to_mode): New function.
3383 2006-04-16 Roger Sayle <roger@eyesopen.com>
3386 * expr.c (compress_float_constant): Copy the narrow constant into
3387 a new pseudo before extending it to its final width.
3389 2006-04-16 Roger Sayle <roger@eyesopen.com>
3390 Andrew Pinski <pinskia@gcc.gnu.org>
3391 Dale Johannesen <dalej@apple.com>
3394 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3395 special case code to implement V8HImode and V16QImode with SSE2.
3397 2006-04-15 Roger Sayle <roger@eyesopen.com>
3399 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3400 trees are constructed with a suitable tree type.
3402 2006-04-15 Roger Sayle <roger@eyesopen.com>
3404 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3405 (integer_onep): Likewise.
3406 (integer_all_onesp): Likewise.
3407 (integer_pow2p): Likewise.
3408 (integer_nonzerop): Likewise.
3409 (real_zerop): Likewise.
3410 (real_onep): Likewise.
3411 (real_twop): Likewise.
3412 (real_minus_onep): Likewise.
3413 (int_size_in_bytes): Likewise.
3414 (host_integerp): Likewise.
3416 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3418 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3419 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3420 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3422 * tree-ssa-structalias.h (alias_info): Remove num_references.
3424 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3426 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3427 (output_bvb patterns): Likewise.
3428 * pa.c (output_bb): Use 'bb' insn for long branch case.
3429 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3430 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3431 1. Correct length operand for alternatives 1 and 2.
3432 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3433 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3435 2006-04-14 Roger Sayle <roger@eyesopen.com>
3437 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3438 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3439 were accidentally reverted by r112959.
3441 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3444 * except.h (eh_region_outermost): New prototype.
3445 * except.c (eh_region_outermost): New function.
3446 * tree-cfg.c (find_outermost_region_in_block): Use it.
3448 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3450 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3452 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3453 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3454 (init_reload, reload): Use VEC instead of VARRAY.
3455 * reload.h: Update the prototype for
3456 reg_equiv_memory_loc_varray.
3458 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3459 Eric Botcazou <ebotcazou@libertysurf.fr>
3461 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3464 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3467 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3468 to expand fallback builtin function call.
3470 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3473 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3474 and emit libcall here in case the builtin fails.
3475 (expand_builtin_strcmp): Always emit the libcall here on failure.
3477 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3479 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3480 * flow.c (reg_n_info): Change the type to
3481 VEC(reg_info_p,heap) *.
3482 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3484 * regs.h (reg_info_p): New.
3485 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3486 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3487 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3490 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3492 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3494 * params.h (MAX_SCHED_READY_INSNS): New macro.
3495 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3496 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3497 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3498 the ready list for 1 cycle during the first scheduling pass.
3499 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3501 2006-04-13 Richard Henderson <rth@redhat.com>
3504 * gimple-low.c (lower_omp_directive): Remove dead code.
3505 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3506 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3507 * omp-low.c (struct omp_region): Move to tree-flow.h.
3508 (root_omp_region): Export.
3509 (omp_regions, lookup_omp_region): Remove.
3510 (determine_parallel_type): Update for struct omp_region changes.
3511 (dump_omp_region): Dump regions with block numbers.
3512 (new_omp_region): Take type and block instead of stmt; malloc
3514 (free_omp_region_1, free_omp_regions): New.
3515 (expand_parallel_call): Take entry_stmt as argument; update for
3516 changes to omp_region.
3517 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3518 (remove_exit_barriers): New.
3519 (expand_omp_parallel): Update for struct omp_region changes.
3520 (expand_omp_synch): Likewise.
3521 (expand_omp): Likewise.
3522 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3523 (expand_omp_for_static_chunk): Likewise.
3524 (expand_omp_for): Likewise.
3525 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3526 (expand_omp_sections): Similarly, with GOMP_sections_end.
3527 (expand_omp_single): New.
3528 (build_omp_regions_1): Update for OMP_CONTINUE.
3529 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3530 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3531 OMP_SECTIONS_SECTIONS.
3532 (lower_omp_single_simple): Don't emit barrier here.
3533 (lower_omp_single_copy): Likewise.
3534 (lower_omp_single): Fix bindings, and lower to straightline now.
3535 (lower_omp_master, lower_omp_ordered): Likewise.
3536 (lower_omp_critical): Likewise.
3537 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3538 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3539 omp edges, free it afterward.
3540 (make_omp_sections_edges): Remove.
3541 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3542 (move_stmt_r): Handle OMP_CONTINUE.
3543 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3544 statement pointers to basic blocks. Add type member.
3545 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3546 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3547 * tree-inline.c (estimate_num_insns_1): Likewise.
3548 * tree-pretty-print.c (dump_generic_node): Likewise.
3549 * tree-ssa-operands.c (get_expr_operands): Likewise.
3550 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3551 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3552 (OMP_CONTINUE): New.
3553 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3554 (OMP_SECTIONS_SECTIONS): Remove.
3555 (OMP_SECTION_LAST): New.
3556 (OMP_RETURN_NOWAIT): New.
3558 2006-04-13 Roger Sayle <roger@eyesopen.com>
3560 * fold-const.c (native_encode_vector, native_interpret_real):
3561 Correct obvious mistakes in the previous check-in.
3563 2006-04-13 Roger Sayle <roger@eyesopen.com>
3565 * fold-const.c (native_encode_expr): New function to encode
3566 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3567 or VECTOR_CST into a specified buffer.
3568 (native_encode_int): New function.
3569 (native_encode_real): New function.
3570 (native_encode_complex): New function.
3571 (native_encode_vector): New function.
3572 (native_interpret_expr): Inverse of native_encode_expr to convert
3573 a target representation into an INTEGER_CST, REAL_CST etc...
3574 (native_interpret_int): New function.
3575 (native_interpret_real): New function.
3576 (native_interpret_complex): New function.
3577 (native_interpret_vector): New function.
3578 (fold_view_convert_expr): New function to constant fold/evaluate
3579 a VIEW_CONVERT_EXPR of a suitable constant expression.
3580 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3581 Change call of build1 to fold_build1 when constructing a
3584 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3585 Ulrich Weigand <uweigand@de.ibm.com>
3588 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3591 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3594 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3595 optimize to lo_sum for DFmode if !TARGET_FPRS.
3597 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3599 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3600 delete_alias_info, compute_flow_sensitive_aliasing,
3601 group_aliases): Use VEC instead of VARRAY.
3602 * tree-ssa-structalias.c (update_alias_info): Likewise.
3603 * tree-ssa-structalias.h (alias_info): Change the type of
3604 processed_ptrs to VEC(tree,heap) *.
3606 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3609 * config/sh/lib1funcs.h: New file, broken out of:
3610 * config/sh/lib1funcs.asm.
3611 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3613 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3614 * config/sh/lib1funcs-Os-4-200.asm: New file.
3615 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3616 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3617 (EXTRA_MULTILIB_PARTS): Include it.
3618 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3619 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3620 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3621 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3624 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3626 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3627 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3628 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3630 * tree-ssa-live.h: Include vecprim.h.
3631 (tree_partition_associator_d): Change the type of
3632 first_partition to VEC(int,heap) *.
3633 (tpa_first_partition): Use VEC instead of VARRAY.
3635 * Makefile.in (GTFILES): Move functions.h after tree.h.
3636 * function.c (reset_block_changes, record_block_change,
3637 check_block_change, free_block_changes): Use VEC instead of
3639 * function.h (function): Change the type of
3640 ib_boundaries_block to VEC(tree,gc) *.
3641 * tree-inline.c (copy_cfg_body): Initialize
3642 ib_boundaries_block to NULL instead of (varray_type) 0.
3644 2006-04-12 Roger Sayle <roger@eyesopen.com>
3646 * expr.c (emit_group_store): Correct operand order in call to
3647 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3648 a SUBREG_BYTE of zero.
3650 2006-04-12 Richard Guenther <rguenther@suse.de>
3652 * profile.c (compute_branch_probabilities): Remove code
3653 encapsulated in !ir_type (), which are remanents of the
3654 removed RTL profiling code.
3655 * rtl-profile.c: Remove.
3657 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3659 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3660 magic NULL_RTX comment.
3661 (function_arg): Store entire fp arg to mem if any part should go
3663 (rs6000_arg_partial_bytes): Adjust for above change.
3665 2006-04-11 Roger Sayle <roger@eyesopen.com>
3667 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3668 if it hasn't been initialized by dwarf2out_init.
3670 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3672 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3673 symbolic constants in branch patterns.
3675 2006-04-11 Roger Sayle <roger@eyesopen.com>
3677 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3679 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3681 PR rtl-optimization/27073
3682 * gcse.c (try_replace_reg): Revert last change. Continue to search
3683 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3686 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3688 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3689 aggregate types other than record and union types.
3690 (function_arg): Likewise.
3691 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3693 (function_value): In 64-bit mode, return objects that require it
3696 2006-04-11 Roger Sayle <roger@eyesopen.com>
3698 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3700 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3702 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3704 2006-04-03 Jeff Law <law@redhat.com>
3707 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3708 alias information too.
3710 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3712 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3714 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3717 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3718 (premark_used_types_helper): New.
3719 (premark_used_types): New.
3720 (gen_subprogram_die): Call premark_used_types.
3721 (prune_unused_types_walk): Do not prune perennial dies.
3722 * function.c (used_types_insert): New.
3723 * function.h (struct function): Add used_types_hash field.
3724 (used_types_insert): Add prototype.
3725 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3726 * c-parser.c (c_parser_cast_expression): Save casted types in used
3729 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3732 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3733 rs6000_explicit_options.float_gprs.
3735 2006-04-10 Roger Sayle <roger@eyesopen.com>
3737 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3738 from ix86_expand_vector_init_low_nonzero. Take an additional
3739 one_var argument indicating which element is non-zero. Support
3740 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3741 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3742 with one_var instead of ix86_expand_vector_init_low_nonzero.
3744 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3746 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3747 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3748 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3749 build/genextract.o): Depend on vecprim.h.
3750 * cfglayout.c, df-problems.c, function.c, genextract.c,
3751 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3752 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3756 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3758 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3759 Declare VECs of this type.
3760 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3761 (remove_children): Delete.
3762 (add_dwarf_attr): Use VEC routines.
3763 (add_AT_flag): Update for changes to add_dwarf_attr.
3764 (add_AT_int): Likewise.
3765 (add_AT_unsigned): Likewise.
3766 (add_AT_long_long): Likewise.
3767 (add_AT_vec): Likewise.
3768 (add_AT_string): Likewise.
3769 (add_AT_die_ref): Likewise.
3770 (add_AT_fde_ref): Likewise.
3771 (add_AT_loc): Likewise.
3772 (add_AT_loc_list): Likewise.
3773 (add_AT_addr): Likewise.
3774 (add_AT_lbl_id): Likewise.
3775 (add_AT_lineptr): Likewise.
3776 (add_AT_macptr): Likewise.
3777 (add_AT_offset): Likewise.
3778 (add_AT_range_list): Likewise.
3779 (get_AT): Use VEC_iterate.
3780 (remove_AT): Use VEC_ordered_remove.
3781 (free_die): Fold remove_children into here; have it use VEC_iterate.
3782 (print_die): Use VEC_iterate on attrs.
3783 (reverse_die_lists): Don't reverse attr lists.
3784 (die_checksum): Use VEC_iterate on attrs.
3785 (same_die_p): Likewise.
3786 (output_location_lists): Likewise.
3787 (build_abbrev_table): Likewise.
3788 (size_of_die): Likewise.
3789 (unmark_all_dies): Likewise.
3790 (output_abbrev_section): Likewise.
3791 (output_die): Likewise.
3792 (prune_unused_types_walk_attribs): Likewise.
3794 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3796 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3798 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3801 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3803 2006-04-09 Roger Sayle <roger@eyesopen.com>
3805 * expr.c (store_constructor): Don't bother clearing target if
3806 we're about to assign a vector to it using vec_init_optab.
3808 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3810 * tree-ssa-alias.c (lhs_may_store_to): New function.
3811 (recalculate_used_alone): Handle LHS of calls.
3813 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3817 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3818 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3819 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3820 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3821 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3822 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3823 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3824 stubs. Add ".align 8" directives before all ".dword" directives.
3825 (GTHREAD_USE_WEAK): Revise comment.
3826 (TARGET_ATTRIBUTE_WEAK): Define.
3827 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3828 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3829 * stublib.c: New file.
3834 * pa.md (cbranch patterns): Revise arguments used in calls to
3835 output_cbranch, output_bb and output_bvd. Add long branch length
3837 (fbranch patterns): Handle long branches.
3838 (jump): Revise length check. Revise arguments for output_lbranch call.
3839 Add long branch length attributes.
3840 (decrement_and_branch_until_zero): Add long branch length attributes.
3841 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3842 Likewise. Revise arguments for output_parallel_addb and
3843 output_parallel_movb calls.
3844 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3845 output_parallel_movb and output_parallel_addb): Update prototypes.
3846 * pa.c (output_cbranch): Revise arguments. Correct handling of
3847 nullification in long branches.
3848 (output_lbranch): Add new argument to control extraction of delay
3850 (output_bb): Handle long branches.
3851 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3852 output_parallel_addb): Likewise.
3854 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3856 PR rtl-optimization/27073
3857 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3860 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3862 * tree.h (tree_memory_tag): Add old_used_alone.
3863 (SMT_OLD_USED_ALONE): New macro.
3864 * tree-ssa-alias.c (recalculate_used_alone): Stop
3865 marking things for renaming unnecessarily.
3867 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3869 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3870 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3871 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3872 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3873 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3874 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3875 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3876 spelling convensions.
3877 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3878 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3879 typos. Follow spelling conventions.
3881 2006-04-07 DJ Delorie <dj@redhat.com>
3883 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3884 passed on the stack.
3885 (m32c_init_cumulative_args): When a function returns a structure,
3886 always pass the pointer to that return area on the stack.
3887 (m32c_function_arg_advance): Don't increment the parameter number
3888 if we're processing the returned structure pointer.
3889 (pushm_info): Reverse order of registers.
3891 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3893 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3894 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3895 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3896 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3898 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3899 chrec_fold_multiply): Same.
3900 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3901 force_expr_to_var_cost): Same.
3902 * tree-mudflap.c (mf_xform_derefs_1): Same.
3903 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3905 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3907 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3908 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3911 2006-04-07 Jan Hubicka <jh@suse.cz>
3913 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3915 2006-04-07 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/26135
3918 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3919 loads for store copy-prop.
3920 (copy_prop_visit_stmt): Likewise.
3922 2006-04-05 Robert Millan <robertmh@gnu.org>
3924 * config/i386/linux.h: Add a comment to mark macros that are
3925 being overriden in config/k*bsd-gnu.h.
3926 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3928 * config/knetbsd-gnu.h: Ditto.
3930 2006-04-06 Jan Hubicka <jh@suse.cz>
3934 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3937 2006-04-06 Mike Stump <mrs@apple.com>
3939 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3940 for HAVE_nonlocal_goto to be consistent.
3941 (expand_builtin_nonlocal_goto): Likewise.
3942 (expand_builtin_strcmp): Use #ifdef instead of #if
3943 for HAVE_cmpstrnsi to be consistent.
3945 2006-04-05 DJ Delorie <dj@redhat.com>
3947 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3950 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3952 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3953 got-relative addressing for anything but SImode.
3955 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3956 even if the calling function doesn't modify them.
3958 2006-04-05 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/26919
3961 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3962 to cgraph_estimate_size_after_inlining.
3964 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3966 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3968 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3970 PR tree-optimization/26996
3971 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3972 VECTOR_TYPE variables.
3974 2006-04-05 Richard Guenther <rguenther@suse.de>
3976 PR tree-optimization/26763
3977 * fold-const.c (fold_comparison): Move folding of
3978 PTR + CST CMP PTR + CST ...
3979 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3981 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3983 * doc/install.texi (Prerequisites): Refine some wording on
3984 bootstrapping and ksh.
3985 Move the version numbers of DejaGnu here from the testing section
3986 and fix casing of names.
3987 Fix markup and clarify wording for autogen requirements.
3988 Refer to GCJ instead of just java.
3989 Refer to SVN instead of CVS.
3990 Describe diffutils as useful instead of necessary.
3991 (Downloading the source): Refer to SVN instead of CVS.
3992 Adjust a link to our web site accordingly.
3993 (Configuration): Fix casing of Bison.
3994 (Building): Refer to SVN instead of CVS.
3995 Fix a sentence on the use of Bison and remove duplicate (and
3996 incorrect) version number of Bison requirement.
3997 Remove one redundant list of packages needed for building.
3998 (Specific): Avoid reference to CVS.
4000 2006-04-04 Eric Christopher <echristo@apple.com>
4002 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4003 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4004 (rs6000_handle_struct_attribute): New.
4005 (rs6000_ms_bitfield_layout_p): Ditto.
4007 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4009 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4010 NULL for dso parameter to atexit_common.
4012 2006-04-04 Eric Christopher <echristo@apple.com>
4014 * config/i386/i386.c (machopic_output_stub): Output \t
4015 between instructions and operands.
4017 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4019 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4020 satisfies_constraint_[IL] to explicit tests on value.
4022 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4024 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4025 set_nb_iterations_in_loop): Use build_int_cst instead of
4027 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4028 build_int_cst instead of convert.
4030 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4032 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4033 new value 2 for incoming.
4034 * function.c (expand_function_start): Call struct_value_rtx
4036 * config/sparc/sparc.md: Comment updated_return.
4037 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4038 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4039 struct return if sparc_std_struct_return and incoming is 2.
4040 (print_operand): Do not adjust return if
4041 sparc_std_struct_return.
4043 2006-04-04 Roger Sayle <roger@eyesopen.com>
4045 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4046 convert in the middle-end.
4047 * expr.c (store_expr, store_constructor, get_inner_reference,
4048 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4050 * tree.c (build_range_type): Likewise.
4052 2006-04-04 Tom Tromey <tromey@redhat.com>
4054 * doc/install.texi (Prerequisites): Mention jar.
4056 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4058 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4061 2006-04-04 Matthias Klose <doko@debian.org>
4063 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4064 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4067 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4069 * doc/extend.texi (Function Attributes): Rewrite visibility
4070 attribute documentation.
4071 * doc/invoke.texi (C++ Dialect Options): Rewrite
4072 -fvisibility-inlines-hidden documentation to describe something
4073 entirely different, although in practise compatible.
4074 (Code Gen Options): Warn about system headers in -fvisibility=
4077 * doc/extend.texi (Other Builtins): Document that
4078 __builtin_nan is a compile-time constant only when its argument
4081 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4083 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4084 trying to remove TRUNCATE check if all bits outside the new mode
4085 are identical to the sign bit.
4087 2006-04-03 Jeff Law <law@redhat.com>
4089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4090 and operand scanning in some common cases.
4092 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4093 Dale Johannesen <dalej@apple.com>
4096 * regclass.c (struct reg_pref): Update documentation.
4097 (regclass): Set prefclass to NO_REGS if memory is the best option.
4098 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4099 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4100 into account. For non-registers, equate an empty preferred
4101 reload class to a `!' in the constraint; move the if clause to
4102 do so after those that reject the insn.
4103 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4105 (find_dummy_reload): Likewise.
4106 * doc/tm.texi (Register Classes): Document what it means
4107 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4108 * config/i386/i386.c (ix86_preferred_reload_class): Force
4109 using SSE registers (and return NO_REGS for floating-point
4110 constants) if math is done with SSE.
4111 (ix86_preferred_output_reload_class): New.
4112 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4113 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4114 * config/i386/i386.md: Remove # register preferences.
4116 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4119 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4120 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4121 the type of nb_iter.
4122 (instantiate_parameters_1): Convert the operands before calling
4123 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4124 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4126 2006-04-02 Roger Sayle <roger@eyesopen.com>
4128 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4129 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4131 * dojump.c (do_jump): Likewise.
4132 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4133 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4134 gimplify_boolean_expr): Likewise.
4135 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4136 * varasm.c (array_size_for_constructor): Likewise.
4137 * tree-object-size.c (compute_object_offset): Likewise.
4139 2006-04-02 Roger Sayle <roger@eyesopen.com>
4142 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4143 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4145 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4147 PR tree-optimization/26939
4148 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4150 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4152 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4153 at_stmt. Convert the type of operands before calling
4154 build_polynomial_chrec.
4155 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4157 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4158 (instantiate_parameters_1): Convert the type of operands before calling
4159 build_polynomial_chrec.
4160 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4161 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4162 reset_evolution_in_loop): Insert asserts to check the types of the
4164 (chrec_type): Moved...
4165 (eq_evolutions_p): Use operand_equal_p.
4166 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4167 the types of the operands.
4168 (chrec_type): ...here.
4169 * tree-data-ref.c (create_data_ref): Convert the operands before
4170 calling chrec_replace_initial_condition.
4171 (same_access_functions, analyze_subscript_affine_affine,
4172 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4173 (compute_subscript_distance, analyze_ziv_subscript,
4174 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4175 analyze_miv_subscript): Convert the operands before calling
4176 chrec_fold_minus or chrec_fold_plus.
4178 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4180 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4181 the dependence_relations vector.
4182 (compute_data_dependences_for_loop): Adjust call to
4183 compute_all_dependences.
4185 2006-04-01 Roger Sayle <roger@eyesopen.com>
4186 Richard Henderson <rth@redhat.com>
4188 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4189 gimple_boolify on the condition before calling gimplify_expr.
4191 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4193 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4194 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4195 the frame size. Update to use the new macros.
4196 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4197 * config/xtensa/ieee754-df.S: Likewise.
4199 2006-03-31 Richard Henderson <rth@redhat.com>
4201 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4202 (make_edges): ... here. Control fallthru creation with a local
4203 variable. Do not play with fake edges.
4204 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4205 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4208 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4210 * dwarf2.h (DW64_CIE_ID): Define.
4211 * dwarf2out.c (DWARF_CIE_ID): Define.
4212 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4213 length header. Use DWARF_CIE_ID.
4214 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4215 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4217 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4219 * config/sh/linux-atomic.asm: New file.
4220 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4222 2006-03-31 DJ Delorie <dj@redhat.com>
4224 * config/m32c/cond.md: Set condition flags properly throughout.
4225 * config/m32c/minmax.md: Likewise.
4226 * config/m32c/prologue.md: Likewise.
4227 * config/m32c/bitops.md: Likewise.
4228 * config/m32c/muldiv.md: Likewise.
4229 * config/m32c/mov.md: Likewise.
4230 * config/m32c/addsub.md: Likewise.
4231 * config/m32c/m32c.md: Likewise.
4232 * config/m32c/jump.md: Likewise.
4233 * config/m32c/shift.md: Likewise.
4235 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4236 conditionally output the pattern for this.
4237 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4238 (m32c_compare_redundant): New.
4239 (m32c_output_compare): New.
4240 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4242 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4243 dest, not src. Allow other 4-byte modes.
4245 2006-03-30 Denis Chertykov <denisc@overta.ru>
4247 * doc/md.texi: Refer to avr/constraints.md instead of
4250 2006-03-30 Roger Sayle <roger@eyesopen.com>
4252 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4253 signed vs. unsigned comparison failures on some hosts.
4255 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4258 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4259 change to FLOAT_REGS.
4261 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4262 (rs6000_override_options): Use it.
4263 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4264 only for -mabi=spe/no-spe and -mabi=altivec.
4266 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4268 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4271 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4273 * Makefile.in: Rename docdir to gcc_docdir.
4275 2006-03-30 Roger Sayle <roger@eyesopen.com>
4278 * expr.c (emit_group_store): Optimize group stores into a pseudo
4279 register by using a paradoxical subreg to initialize the destination
4280 if the first or last member of the group specifies a "low part".
4282 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4285 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4286 * target.h (struct gcc_target.speculate_insn): Change type of the
4287 second parameter to 'int'.
4288 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4289 the second operand of the DEPS_LIST.
4290 (copy_DEPS_LIST_list): Update reference to the second operand of the
4292 * rtl.h (alloc_DEPS_LIST): Update signature.
4293 * sched-int.h (ds_t): Change typedef to 'int'.
4294 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4296 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4298 * haifa-sched.c (try_ready): Change condition to restore
4299 non-speculative pattern of the instruction.
4300 (process_insn_depend_be_in_spec): Code to keep probability of the
4301 speculative dependence non-decreasing.
4303 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4305 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4306 (single_move_for_movmem): ... this. Also change all uses.
4307 (bfin_expand_strmov): Renamed to...
4308 (bfin_expand_movmem): ... this. Also change all uses.
4309 * config/bfin/bfin.md (movstrsi): Renamed to...
4310 (movstrsi): ...this.
4312 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4314 PR tree-optimization/26830
4316 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4317 (copy_prop_visit_stmt): Remove write-only variable ann.
4318 (init_copy_prop): Check variable loop depth here. Do not simulate
4319 memory-tag and virtual operand PHIs except for store copy prop.
4321 2006-03-30 Richard Guenther <rguenther@suse.de>
4323 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4324 variants with double arguments.
4326 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4328 * genpreds.c (write_tm_constrs_h): Delete variable p.
4329 * genconditions.c (write_header): Add tm-constrs.h to included
4331 * genpeep.c (main): Add toplev.h to included headers.
4332 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4333 (build/genpeep.o): Add toplev.h dependency.
4334 * config/rs6000/constraints.md: Add "W" constraint.
4336 2006-03-29 Roger Sayle <roger@eyesopen.com>
4338 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4339 sizes by correctly testing whether the size fits a host integer.
4340 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4341 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4342 SImode range for the default sizetype and bitsizetype.
4344 2006-03-29 Roger Sayle <roger@eyesopen.com>
4346 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4347 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4348 quickly if the argument is already of the correct type.
4349 Call fold_build1 instead of build1. Tidy up blank lines.
4351 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4353 * genemit.c (main): Add tm-constrs.h to included headers.
4354 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4355 * genpeep.c (main): Add tm-constrs.h to included headers.
4356 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4357 (write_tm_constrs_h): this and write complete file.
4358 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4359 (write_insn_preds_c): Add tm-constrs.h to included headers.
4360 (gen_constrs): New variable.
4361 (parse_option): Parse "-c".
4362 (main): Invoke write_tm_constrs_h.
4363 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4364 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4365 (object_out_file): Add tm-constrs.h dependency.
4366 (insn-emit.o): Same.
4367 (insn-output.o): Same.
4368 (insn-peep.o): Same.
4369 (insn-preds.o): Same.
4370 (insn-recog.o): Same.
4371 (tm-constsr.h): New target.
4372 (s-constrs-h): New target.
4374 * config/rs6000/constraints.md: New file.
4375 * config/rs6000/rs6000.c: Include tm-constrs.h.
4376 (num_insn_constant_wide): Convert to satisfies_constraint.
4377 (rs6000_rtx_costs): Convert to satisfies_constraint.
4378 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4379 (CONST_OK_FOR_LETTER_P): Delete.
4380 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4381 (EXTRA_CONSTRAINT): Delete.
4382 (EXTRA_MEMORY_CONSTRAINT): Delete.
4383 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4384 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4385 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4386 satisfies_constraint.
4388 * config/i386/i386.c: Include tm-constrs.h.
4390 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4392 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4393 * tree-data-ref.c (find_data_references_in_loop,
4394 compute_data_dependences_for_loop): Use pointers to VEC.
4395 (analyze_all_data_dependences): Adjust calls.
4396 * tree-data-ref.h (find_data_references_in_loop,
4397 compute_data_dependences_for_loop): Adjust declarations.
4398 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4399 compute_data_dependences_for_loop.
4401 2006-03-29 Paul Brook <paul@codesourcery.com>
4403 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4406 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4408 PR tree-optimization/26859
4409 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4411 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4412 for the step after fold_convert.
4414 2006-03-29 Paul Brook <paul@codesourcery.com>
4416 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4417 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4419 2006-03-29 Paul Brook <paul@codesourcery.com>
4422 * targhooks.c (default_narrow_bitfield): New fuction.
4423 * targhooks.h (default_narrow_bitfield): add prototype.
4424 * target.h (gcc_target): Add narrow_volatile_bitfield.
4425 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4426 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4427 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4428 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4430 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4432 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4434 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4435 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4436 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4437 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4438 (s390_function_arg_float): Allow SDmode and DDmode values to be
4439 passed in floating point registers.
4440 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4441 check with SCALAR_FLOAT_MODE_P.
4442 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4444 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4446 PR tree-optimization/25985
4447 * tree-ssa-loop-niter.c (number_of_iterations_le,
4448 number_of_iterations_ne): Make comments more precise.
4449 (number_of_iterations_cond): Add only_exit argument. Use the
4450 fact that signed variables do not overflow only when only_exit
4452 (loop_only_exit_p): New.
4453 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4454 number_of_iterations_cond.
4456 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4458 PR tree-optimization/26643
4459 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4462 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4464 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4465 (divsi3_i4_int): Likewise.
4467 2006-03-28 Roger Sayle <roger@eyesopen.com>
4469 * expr.c (emit_group_store): Only create a new pseudo reg if the
4470 quantity it needs to hold isn't already a suitable pseudo.
4472 2006-03-28 Jeff Law <law@redhat.com>
4474 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4475 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4477 2006-03-28 Roger Sayle <roger@eyesopen.com>
4479 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4480 the equivalent ~X & Y, and the symmetry related transformations.
4481 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4482 ~X & Y, and symmetry related transforms.
4484 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4486 Revert my 2006-03-27 patches.
4488 2006-03-28 Roger Sayle <roger@eyesopen.com>
4490 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4491 ~(T1)X, when T1 and T2 are integer types of the same precision
4492 and (T2)X isn't an extension.
4494 2006-03-28 Jeff Law <law@redhat.com>
4496 PR tree-optimization/26796
4497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4498 need EH edge cleanups rather than purging them immediately.
4499 (eliminate_degenerate_phis): Handle queued EH cleanups.
4501 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4503 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4506 2006-03-27 Roger Sayle <roger@eyesopen.com>
4509 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4510 cast BIT_NOT_EXPR operand to the correct type.
4512 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4514 * tree-loop-linear.c: Don't include varray.h.
4515 (gather_interchange_stats, try_interchange_loops,
4516 linear_transform_loops): Use VEC instead of VARRAY.
4517 * lambda-mat.c: Don't include varray.h.
4518 * tree-chrec.c: Same.
4519 * lambda-trans.c: Same.
4520 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4521 VEC instead of VARRAY.
4522 * tree-vectorizer.h: Idem.
4523 * tree-data-ref.c (dump_data_references,
4524 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4525 initialize_data_dependence_relation, finalize_ddr_dependent,
4526 compute_all_dependences, find_data_references_in_loop,
4527 compute_data_dependences_for_loop, analyze_all_data_dependences,
4528 free_dependence_relation, free_dependence_relations,
4529 free_data_refs): Idem.
4530 * tree-data-ref.h (data_reference_p, subscript_p): New.
4531 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4532 VEC instead of VARRAY.
4533 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4534 (find_data_references_in_loop, compute_data_dependences_for_loop,
4535 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4536 dump_data_dependence_relations, free_dependence_relations,
4537 free_data_refs): Adjust declaration.
4538 (lambda_transform_legal_p): Move declaration here...
4539 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4540 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4541 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4542 vect_analyze_data_refs): Use VEC instead of VARRAY.
4543 * lambda.h (lambda_transform_legal_p): ...from here.
4544 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4545 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4546 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4547 tree-chrec.o): Don't depend on VARRAY_H.
4549 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4551 * rtl.def (Copyright): Update date.
4552 (DEPS_LIST): Change type of the second operand to 'int'.
4553 * target.h (Copyright): Update date.
4554 (struct gcc_target.speculate_insn): Change type of the second parameter
4556 * lists.c (Copyright): Update date.
4557 (alloc_DEPS_LIST): Change signature. Update reference to the second
4558 operand of the DEPS_LIST.
4559 (copy_DEPS_LIST_list): Update reference to the second operand of the
4561 * rtl.h (Copyright): Update date.
4562 (alloc_DEPS_LIST): Update signature.
4563 * sched-int.h (Copyright): Update date.
4564 (ds_t): Change typedef to 'int'.
4565 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4567 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4569 * haifa-sched.c (Copyright): Update date.
4570 (try_ready): Change condition to restore non-speculative pattern
4572 (process_insn_depend_be_in_spec): Code to keep probability of the
4573 speculative dependence non-decreasing.
4575 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4577 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4578 shut up the compiler.
4580 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4582 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4583 to use lib prefix for target.
4584 ($(T)libic_invalidate_array_4-200.a): Likewise.
4585 ($(T)libic_invalidate_array_4a.a): Likewise.
4587 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4588 J"orn Rennecke <joern.rennecke@st.com>
4590 * superh.opt: New file.
4591 * sh.c (boardtype, osruntime): Remove.
4592 * superh.h (SUBTARGET_OPTIONS): Remove.
4593 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4595 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4596 arguments with ^ and/or [].
4598 * config.gcc (sh-*-*): Add quoting to account for quirk of
4600 Replace == with = in enable_incomplete_targets test.
4602 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4603 with MASK_LITTLE_ENDIAN.
4605 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4606 * config/sh/sh.opt: Added to some comments.
4607 * config/sh/superh.h: Removed some chaff.
4609 * config/sh/sh.opt: Add m4-[1234]00* options.
4610 * config/sh/sh.c (sh_handle_option): Likewise.
4611 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4612 (ic_invalidate_array_4-100.o): New rule.
4613 ($(T)libic_invalidate_array_4-100.a): Likewise.
4614 (ic_invalidate_array_4-200.o): Likewise.
4615 ($(T)libic_invalidate_array_4-200.a): Likewise.
4616 (ic_invalidate_array_4a.o): Likewise.
4617 ($(T)libic_invalidate_array_4a.a): Likewise.
4618 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4619 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4621 * config/sh/crt1.asm: Merged in profiling code.
4622 * config/sh/superh.h (STARTFILE_SPEC): Override.
4623 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4624 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4625 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4627 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4628 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4629 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4631 * sh.opt (mpretend-cmove): New option.
4632 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4633 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4634 (movsicc): Add TARGET_PRETEND_CMOVE code.
4636 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4638 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4639 s390_class_max_nregs): New function prototypes.
4640 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4641 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4642 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4643 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4645 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4647 * dwarf2out.c (add_location_or_const_value_attribute): Call
4648 tree_add_const_value_attribute if nothing else works.
4649 (reference_to_unused): New.
4650 (rtl_for_decl_init): Use reference_to_unused to decide whether
4651 to output an initializer.
4653 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4656 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4657 peephole removing spe frob_di_df_2.
4659 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4661 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4662 (subscript_dependence_tester_1): Declared.
4663 (print_dir_vectors, print_dist_vectors): New.
4664 (debug_data_dependence_relation): New.
4665 (dump_data_dependence_relation): Print more details.
4666 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4667 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4668 (save_dist_v, save_dir_v, add_outer_distances,
4669 build_classic_dist_vector_1): New.
4670 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4671 Don't test for lambda_vector_lexico_pos.
4672 (same_access_functions, add_multivariate_self_dist,
4673 add_other_self_distances, dir_from_dist): New.
4674 (build_classic_dir_vector): Replace implementation almost identical to
4675 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4677 (subscript_dependence_tester_1): New.
4678 (subscript_dependence_tester): Handle the lexicographically negative
4679 distance vectors by recomputing the dependence relation.
4680 (compute_affine_dependence): Remove parameter loop_nest_depth.
4681 (compute_self_dependence): Don't call compute_subscript_distance.
4682 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4683 Add a parameter for the loop_nest.
4684 (find_loop_nest_1, find_loop_nest): New.
4685 (compute_data_dependences_for_loop): Compute the loop nest, and give
4686 up if the nest is not well formed.
4687 * tree-data-ref.h (loop_p): New.
4688 (struct data_dependence_relation): Replace size_vect field with
4689 loop_nest, a vec of loops.
4690 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4691 (DDR_LOOP_NEST): New.
4692 (print_dir_vectors, print_dist_vectors,
4693 debug_data_dependence_relation): Declared.
4694 (index_in_loop_nest): New.
4695 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4696 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4699 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4701 * simplify-rtx.c (simplify_relational_operation): Call
4702 simplify_relational_operation_1 even if mode is VOIDmode.
4704 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4706 PR tree-optimization/26804
4707 * tree.h (DECL_CALL_CLOBBERED): New macro.
4708 (tree_decl_common): Add call_clobbered_flag.
4709 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4710 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4711 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4712 (mark_non_addressable): Ditto.
4713 * tree-ssa.c (verify_call_clobbered): New function.
4714 (verify_alias_info): Use it.
4715 * tree-pass.h (pass_reset_cc_flags): New prototype.
4716 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4717 (reset_cc_flags): New function.
4718 * passes.c (init_optimization_passes): Call reset_cc_flags after
4719 initializing referenced_vars.
4721 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4722 Roger Sayle <roger@eyesopen.com>
4725 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4726 to 1.0 for non-real operands. Implement A / A optimization for
4729 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4731 * config/i386/i386.c (size_cost): Correct the comment for
4732 cost of storing fp registers.
4733 (i386_cost): Likewise.
4734 (i486_cost): Likewise.
4735 (pentium_cost): Likewise.
4736 (pentiumpro_cost): Likewise.
4737 (k6_cost): Likewise.
4738 (athlon_cost): Likewise.
4739 (k8_cost): Likewise.
4740 (pentium4_cost): Likewise.
4741 (nocona_cost): Likewise.
4742 (generic64_cost): Likewise.
4743 (generic32_cost): Likewise.
4745 2006-03-24 Denis Chertykov <denisc@overta.ru>
4747 * config/avr/avr-protos.h (extra_constraint): Delete.
4748 (extra_constraint_Q): New declaration.
4749 * config/avr/constraints.md: New file.
4750 * config/avr/avr.md: Include it.
4751 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4752 (TMP_REGNO, ZERO_REGNO): Likewise.
4753 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4754 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4755 (extra_constraint): Delete.
4756 (extra_constraint_Q): Test for memory constraint 'Q'.
4757 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4758 (REG_CLASS_FROM_LETTER): Delete.
4759 (CONST_OK_FOR_LETTER_P): Delete.
4760 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4761 (EXTRA_CONSTRAINT): Delete.
4762 (TMP_REGNO): Delete.
4763 (ZERO_REGNO): Delete.
4765 2006-03-24 Jeff Law <law@redhat.com>
4767 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4768 directly. Call mark_new_vars_to_rename slightly earlier.
4770 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4772 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4774 (gen_compile_unit_die): Use new language types for Objective-C and
4776 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4777 DW_LANG_C_plus_plus.
4780 * config/t-darwin (crt3.o): Work around bug 26840.
4781 * config/darwin-crt3.c: Rewrite.
4782 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4784 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4786 * doc/invoke.texi: Document -femit-class-debug-always
4787 * common.opt: Add -femit-class-debug-always.
4789 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4791 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4792 index and base register.
4793 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4794 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4795 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4796 REGNO_OK_FOR_INDEX_P.
4797 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4799 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4800 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4801 REG_OK_FOR_BASE_P): Definitions removed.
4803 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4806 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4807 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4808 set yet or weren't marked as local yet.
4810 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4812 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4815 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4817 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4818 (rs6000_legitimate_small_data_p): Delete.
4819 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4820 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4821 and make static. Add forward declaration. Update uses.
4822 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4823 of offsettable_memref_p.
4824 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4825 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4827 2006-03-24 Jeff Law <law@redhat.com>
4829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4830 around bug in immediate-use iterator.
4832 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4835 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4836 or __LITTLE_ENDIAN__.
4838 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4840 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4841 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4842 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4843 * config/sh/sh.opt (mdiv=): Amend description.
4844 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4845 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4846 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4847 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4848 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4849 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4850 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4851 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4852 TARGET_DIVIDE_CALL_FP.
4854 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4856 * haifa-sched.c (choose_ready): Fix type of the local variable.
4857 Move local variables. Add comment.
4858 (check_reg_live): Change signature. Make callable from debugger.
4859 * sched-int.h (check_reg_live): Update signature.
4860 * sched-ebb.c (check_reg_live): Update parameters.
4861 * sched-rgn.c (check_reg_live): Ditto.
4862 (region_head_or_leaf_p): Check pointer before dereferencing.
4863 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4864 before reload on optimization levels below 1.
4866 2006-03-23 Richard Henderson <rth@redhat.com>
4868 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4872 * config/alpha/predicates.md (local_symbolic_operand): Reject
4875 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4878 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4879 expressions which have overflowed constants.
4881 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4883 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4885 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4887 * cfgloopmanip.c (create_loop_notes): Removed.
4888 * final.c (final_scan_insn): Do not handle loop notes.
4889 * jump.c (squeeze_notes): Ditto.
4890 * cfglayout.c (skip_insns_after_block,
4891 duplicate_insn_chain): Ditto.
4892 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4894 * cfgloop.h (create_loop_notes): Declaration removed.
4896 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4898 * varasm.c (output_constant_pool): Restore fnname and fndecl
4900 (assemble_start_function): Adjust call accordingly.
4901 (assemble_end_function): Likewise.
4903 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4906 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4909 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4911 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4914 * system.h (ICE_EXIT_CODE): New macro.
4915 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4916 (diagnostic_action_after_output): Likewise.
4917 * gcc.c (fatal_ice): New function.
4918 (execute): Use it instead of fatal.
4919 (fancy_abort): Likewise.
4920 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4922 2006-03-22 Jeff Law <law@redhat.com>
4924 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4925 iv_analyze_result returning false.
4927 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4929 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4931 2006-03-22 Richard Henderson <rth@redhat.com>
4934 * except.c (duplicate_eh_regions_0): New.
4935 (duplicate_eh_region_1): Duplicate the children of the node as
4936 well as the node itself. Link them up properly.
4937 (duplicate_eh_region_2): Merge into ...
4938 (duplicate_eh_regions): ... here. Take copy_region argument, and
4939 copy only a sub-tree if asked. Simplify copying and fixup.
4940 (eh_region_outer_p): New.
4941 * except.h (duplicate_eh_regions): Update decl.
4942 (eh_region_outer_p): Declare.
4943 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4944 (lower_omp_master): Likewise.
4945 (lower_omp_ordered): Likewise.
4946 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4947 (move_stmt_r): Use it to remap labels. Handle recursion vs
4948 remap_decls_p properly.
4949 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4950 (find_outermost_region_in_block): New.
4951 (new_label_mapper): New.
4952 (move_sese_region_to_fn): Copy eh information to the new function
4954 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4956 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4959 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4961 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4962 into shared libraries.
4964 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4966 * doc/md.texi: Refer to i386/constraints.md instead of
4968 * config/i386/constraints.md: New file, extracted from...
4969 * config/i386/predicates.md: ...here.
4970 * config/i386/i386.md: Include constraints.md.
4972 2006-03-21 Jason Merrill <jason@redhat.com>
4974 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4977 * expr.c (init_block_move_fn): Force default visibility.
4978 (init_block_clear_fn): Likewise.
4979 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4980 * targhooks.c (default_external_stack_protect_fail): Likewise.
4982 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4984 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4985 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4986 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4987 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4988 (loadgp): Use mips_current_loadgp_style.
4989 (loadgp_noshared): New pattern.
4990 (sibcall_internal): Use MIPS_CALL.
4991 (sibcall_value_internal): Likewise.
4992 (sibcall_value_multiple_internal): Likewise.
4993 (call_internal): Likewise.
4994 (call_value_internal): Likewise.
4995 (call_value_multiple_internal): Likewise.
4996 (call_split): Use MIPS_CALL and add an 'S' constraint.
4997 (call_value_split): Likewise.
4998 (call_value_multiple_split): Likewise.
4999 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5000 (-mshared): New option.
5001 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5002 (mips_current_loadgp_style): Declare.
5003 * config/mips/mips.c (mips_classify_symbol): Avoid using
5004 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5005 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5006 TARGET_ABSOLUTE_ABICALLS.
5007 (override_options): Adjust comments. Improve the warning that is
5008 issued when -mabicalls and -G are used together.
5009 (mips_file_start): Remove comment.
5010 (mips_current_loadgp_style): New function.
5011 (mips_gnu_local_gp): New variable.
5012 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5014 (mips_output_function_prologue): Use mips_current_laodgp_style.
5015 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5016 the cprestore instruction.
5017 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5018 live for TARGET_ABSOLUTE_ABICALLS.
5019 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5020 (ASM_SPEC): Pass down -mshared and -mno-shared.
5021 (MIPS_CALL): New macro.
5022 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5024 * doc/invoke.texi (-mabicalls): Update documentation.
5025 (-mshared): Document.
5027 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5029 * config/ia64/unwind-hpux.c: New file.
5030 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5032 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5035 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5037 2006-03-21 Jeff Law <law@redhat.com>
5039 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5040 type conversions of a VR_VARYING source to a wider type.
5042 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5044 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5045 tm_file on Solaris 10 and later.
5046 (sparc64-*-solaris2*): Likewise.
5047 (sparc-*-solaris2*): Likewise.
5048 * config/sol26.h: Rename to config/sol2-6.h.
5049 * config/sol2-10.h: New file.
5051 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5054 * tree-ssa-pre.c (create_component_ref_by_pieces):
5057 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5060 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5061 return it immediately.
5063 2006-03-21 Michael Matz <matz@suse.de>
5065 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5067 (remove_arc, add_arc): Update num_out_arcs member.
5068 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5070 (cache_presence): New function.
5071 (compare_states_for_equiv): New function.
5072 (state_is_differed): Don't take number of outargs, adjust callers.
5073 Use new invariant for speeding up.
5074 (init_equiv_class): Create initial classes based on sorted
5076 (partition_equiv_class): Don't track out_arcs_num.
5077 (evaluate_equiv_classes): Call cache_presence on all states and
5080 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5082 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5083 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5084 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5085 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5087 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5088 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5089 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5090 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5091 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5093 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5094 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5095 (REGNO_REG_CLASS): ARGP is in PREGS.
5096 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5098 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5099 to deal with those addresses.
5100 * addresses.h: New file.
5101 * caller-save.c: Include "addresses.h".
5102 (init_caller_save): Use new base_reg_class function.
5103 * rtl-factoring.c: Include "addresses.h".
5104 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5105 * recog.c: Include "addresses.h".
5106 (preprocess_constraints): Use new base_reg_class function.
5107 * regrename.c: Include "addresses.h".
5108 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5109 functions. Keep track of a new var INDEX_CODE to compute valid
5111 (replace_oldest_value_addr): Likewise.
5112 (replace_oldest_value_mem): Use base_reg_class.
5113 * reload.c: Include "addresses.h".
5114 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5115 (find_reloads): Use new base_reg_class function.
5116 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5117 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5118 all callers and prototype changed.
5119 * reload1.c: Include "addresses.h".
5120 (maybe_fix_stack_asms): Use base_reg_class.
5121 * regclass.c: Include "addresses.h".
5122 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5123 (init_reg_autoinc): Use new base_reg_class function.
5124 (record_reg_classes): Likewise.
5125 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5126 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5127 Use new args to compute necessary class.
5129 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5130 regrename.o, rtl-factoring.o): Update dependencies.
5131 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5132 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5133 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5134 REG_OK_FOR_INDEX_P): Delete documentation.
5136 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5138 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5139 from V7 to V9 for Solaris 7 and above.
5141 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5143 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5144 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5145 argument pointers may not alias any other storage.
5146 * common.opt: Define option -fargument-noalias-anything.
5147 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5148 alias semantics is specified by flag_argument_noalias > 2.
5150 2006-03-20 Jeff Law <law@redhat.com>
5152 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5153 (pass_phi_only_cprop): Declare.
5154 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5156 * tree-ssa-dom.c (degenerate_phi_result): New function.
5157 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5158 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5159 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5160 (eliminate_degenerate_phis): Likewise.
5161 (pass_phi_only_cprop): New pass descriptor.
5162 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5163 support code. Callers updated.
5164 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5165 (store_copy_prop): Likewise.
5166 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5168 2006-03-20 Jason Merrill <jason@redhat.com>
5171 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5172 (push_visibility, pop_visibility): Likewise.
5173 * c-pragma.h: Declare them.
5175 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5177 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5179 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5180 parameter and use get_ebb_head_tail.
5181 (sh_md_init_global): Adjust uses of find_regmode_weight.
5183 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5185 * function.h (struct function) <x_tail_recursion_reentry>:
5186 Rename to x_stack_check_probe_note.
5187 (tail_recursion_reentry): Rename to stack_check_probe_note.
5188 * function.c: Replace tail_recursion_reentry with
5189 stack_check_probe_note everywhere.
5190 (expand_function_start): Only emit a note for
5191 stack_check_probe_note with -fstack-protect.
5192 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5194 * emit-rtl.c (remove_unnecessary_notes): Remove.
5195 (pass_remove_unnecessary_notes): Remove.
5196 * rtl.h (remove_unnecessary_notes): Remove prototype.
5197 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5198 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5199 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5201 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5204 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5205 (valid_in_set): Handle ARRAY_REF.
5206 Change "if min_variant or VH" to asserts.
5207 (create_component_ref_by_pieces): Handle ARRAY_REF.
5208 (create_expression_by_pieces): Likewise.
5209 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5211 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5213 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5214 is operand of switch, not str[0].
5216 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5218 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5219 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5221 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5223 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5224 end of insn_extra_address_constraint declaration.
5226 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5228 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5229 (no-sum-in-toc): Same.
5230 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5232 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5233 NO_FP_IN_TOC for -fPIC instead of mask.
5235 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5236 (BOOT_LDFLAGS): Delete.
5238 * config/rs6000/t-aix52: Same.
5240 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5241 (stmsi[345678]_power): New.
5243 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5245 * config/ia64/ia64.opt: Add empty line to end of file.
5247 2006-03-17 Richard Guenther <rguenther@suse.de>
5250 * builtins.c (get_pointer_alignment): For component style references
5251 adjust alignment to the component type alignment. Make sure
5252 to adjust alignment for component access of constants.
5254 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5256 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5259 2006-03-17 Paul Brook <paul@codesourcery.com>
5261 * doc/install.texi: Docuemnt --with-mode.
5262 * config.gcc: Add --with-mode for arm*-*-*.
5263 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5265 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5267 * sh.c (max_labelno_before_reorg): New variable.
5268 (sh_reorg): Initialize it.
5269 (find_barrier): Check max_labelno_before_reorg before using
5270 label_to_alignment. Take length of explicit alignment insns
5271 into account. When seeing a UNSPECV_CONST_END, return it.
5273 * sh.c (fixup_mova): Set mode of affected label to QImode.
5274 (untangle_mova): New function.
5275 (find_barrier): Use it. Check mode of label before decrementing
5277 (sh_reorg): Likewise.
5278 Set mode of all insns back to VOIDmode.
5280 * sh.c (MOVA_LABELREF): New macro.
5281 (mova_p, fixup_mova, sh_reorg): Use it.
5282 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5283 ADDR_DIFF_VEC matches mova.
5285 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5287 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5288 with ATTRIBUTE_UNUSED.
5290 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5292 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5293 pointer, instead of assuming it is possible to derive the
5294 correct args size from a call insn.
5296 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5298 * rtl.h (CONST_INT_P): Define.
5299 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5300 instead of GET_CODE(x) == CONST_INT.
5301 (vax_rtx_costs): Likewise.
5302 (vax_output_int_move): Likewise.
5303 (vax_output_int_add): Likewise.
5304 (legitimate_constant_address_p): Likewise.
5305 (index_term_p): Likewise.
5306 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5307 * config/vax/vax.md (and<mode>3): Likewise.
5308 (ashrsi3): Likewise.
5310 (movstricthi): Likewise.
5311 (movstrictqi): Likewise.
5312 (rotrsi3): Likewise.
5313 (five unnamed insns): Likewise.
5315 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5317 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5318 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5319 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5320 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5321 Pass to ASM_OUTPUT_DWARF_OFFSET.
5322 * dwarf2out.c (debug_frame_section): New.
5323 (output_call_frame_info): Use debug_frame_section. Pass it to
5324 dw2_asm_output_offset.
5325 (output_die): Pass appropriate section to dw2_asm_output_offset.
5326 (output_compilation_unit_header): Likewise.
5327 (output_pubnames): Likewise.
5328 (output_aranges): Likewise.
5329 (enum dw_val_class): Break dw_val_class_lbl_offset into
5330 dw_val_class_lineptr and dw_val_class_macptr.
5331 (add_AT_lbl_offset): Delete.
5332 (add_AT_lineptr): New.
5333 (add_AT_macptr): New.
5334 (AT_lbl): Expect a lineptr or macptr.
5335 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5336 (attr_checksum): Likewise.
5337 (same_dw_val_p): Likewise.
5338 (size_of_die): Likewise.
5339 (value_format): Likewise.
5340 (output_die): Likewise.
5341 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5343 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5344 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5345 * config/darwin-protos.h (darwin_file_start): New.
5346 (darwin_asm_output_dwarf_offset): New.
5347 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5348 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5350 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5351 if not EH section; simplify.
5352 (darwin_file_start): New.
5353 (darwin_asm_output_dwarf_offset): New.
5354 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5356 (DEBUG_INFO_SECTION): Likewise.
5357 (DEBUG_ABBREV_SECTION): Likewise.
5358 (DEBUG_ARANGES_SECTION): Likewise.
5359 (DEBUG_MACINFO_SECTION): Likewise.
5360 (DEBUG_LINE_SECTION): Likewise.
5361 (DEBUG_LOC_SECTION): Likewise.
5362 (DEBUG_PUBNAMES_SECTION): Likewise.
5363 (DEBUG_STR_SECTION): Likewise.
5364 (DEBUG_RANGES_SECTION): Likewise.
5365 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5366 (ASM_OUTPUT_DWARF_OFFSET): New.
5368 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5370 * config.gcc (tm_defines): Always add to previous value rather
5373 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5375 * config/mips/predicates.md (splittable_const_int_operand): New,
5376 split from move_operand.
5377 (splittable_symbolic_operand): New.
5378 (move_operand): Add commentary. Use splittable_const_int_operand.
5379 Inline mips_atomic_symbolic_constant_p.
5380 * config/mips/mips.md: Add combine splitters for handling moves
5381 of splittable_const_int_operands and splittable_symbolic_operands.
5382 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5383 (mips_split_symbol): Declare.
5384 (mips_move_integer): Declare.
5385 * config/mips/mips.c (mips_split_p): Make global.
5386 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5387 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5388 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5389 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5390 (mips_offset_within_object_p): Handle block symbols.
5391 (mips_atomic_symbolic_constant_p): Delete.
5392 (mips_cannot_force_const_mem): Return false for constants that
5393 mips_legitimize_move can handle.
5394 (mips_use_blocks_for_constant_p): New function.
5395 (mips_split_symbol): Make global.
5396 (mips_move_integer): Likewise. Add a temporary register argument.
5397 (mips_legitimize_const_move): Use splittable_const_int_operand and
5398 splittable_symbolic_operand.
5399 (mips_use_anchors_for_symbol_p): New function.
5400 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5401 (mips_split_p): Declare.
5403 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5405 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5406 (mips*-*-linux*): Likewise.
5408 2006-03-16 Roger Sayle <roger@eyesopen.com>
5409 Daniel Speyer <dspeyer@wam.umd.edu>
5412 * tree-dump.c (dump_real): New function.
5413 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5414 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5415 (tree-dump.o): Add $(REAL_H) to the dependencies.
5417 2006-03-16 Roger Sayle <roger@eyesopen.com>
5420 * real.c (real_from_string): If the mantissa is zero, don't bother
5421 parsing the exponent as the result should always be zero.
5423 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5425 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5427 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5429 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5430 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5431 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5432 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5433 ia64_sched_finish_global): New static functions to implement
5434 hooks from gcc_target.sched.
5435 (spec_check_no, max_uid, pending_data_specs): New static variables.
5436 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5437 ia64_spec_check_src_p): New static functions.
5438 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5439 (TARGET_SCHED_ADJUST_COST): Removed.
5440 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5441 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5442 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5443 TARGET_SCHED_GEN_CHECK,
5444 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5445 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5446 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5447 Fixed to handle speculation checks.
5448 (rtx_needs_barrier): Fixed to handle speculative loads and
5450 (ia64_variable_issue): Added code to count speculative loads and their
5452 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5454 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5456 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5458 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5459 (ia64_reorg): Reset stops_p to NULL after it is freed.
5460 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5461 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5462 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5464 (data_speculative, control_speculative, check_load): New attributes.
5465 (mov<mode>_advanced, mov<mode>_speculative,
5466 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5467 zero_extend<mode>di2_speculative,
5468 zero_extend<mode>di2_speculative_advanced): New patterns for
5469 data and control speculative loads.
5470 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5472 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5473 New pattern for data and control speculation checks.
5474 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5475 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5476 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5477 Auxiliary definitions for the patterns.
5478 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5479 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5481 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5483 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5484 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5485 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5486 New resource constraints.
5487 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5489 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5490 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5491 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5492 msched-in-control-spec, msched-ldc, msched-control-ldc,
5493 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5494 msched-prefer-non-control-spec-insns,
5495 msched-count-spec-in-critical-path): New flags to tune speculative
5497 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5498 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5499 msched-in-control-spec, msched-ldc, msched-control-ldc,
5500 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5501 msched-prefer-non-control-spec-insns,
5502 msched-count-spec-in-critical-path): Document new flags.
5504 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5506 * target.h (struct spec_info_def): New opaque declaration.
5507 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5508 speculate_insn, needs_block_p, gen_check,
5509 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5510 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5511 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5512 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5513 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5514 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5516 (TARGET_SCHED): Use new macros.
5517 * rtl.h (copy_DEPS_LIST_list): New prototype.
5518 * sched-int.h (struct sched_info): Change signature of new_ready field,
5519 adjust all initializations. New fields: add_remove_insn,
5520 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5521 region_head_or_leaf_p.
5522 (struct spec_info_def): New structure declaration.
5523 (spec_info_t): New typedef.
5524 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5525 recovery_block, orig_pat.
5526 (glat_start, glat_end): New variables declaraions.
5527 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5529 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5530 DETACH_LIFE_INFO, USE_GLAT.
5531 (enum SPEC_SCHED_FLAGS): New enumeration.
5532 (NOTE_NOTE_BB_P): New macro.
5533 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5534 attach_life_info, debug_spec_status, check_reg_live): New functions.
5535 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5536 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5538 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5539 * ddg.c (get_block_head_tail): Adjust all uses.
5540 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5541 (sms_sched_info): Initialize new fields.
5542 (contributes_to_priority): Removed.
5543 * haifa-sched.c (params.h): New include.
5544 (get_block_head_tail): Adjust all uses.
5545 (ISSUE_POINTS): New macro.
5546 (glat_start, glat_end): New global variables.
5547 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5548 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5549 old_last_basic_block, before_recovery, current_sched_info_var,
5550 rgn_n_insns, luid): New static variables.
5551 (insn_cost1): New function. Move logic from insn_cost to here.
5552 (find_insn_reg_weight1): New function. Move logic from
5553 find_insn_reg_weight to here.
5554 (reemit_notes, move_insn, max_issue): Change signature.
5555 (move_insn1): Removed.
5556 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5557 extend_bb): New static functions to support extension of scheduler's
5559 (generate_recovery_code, process_insn_depend_be_in_spec,
5560 begin_speculative_block, add_to_speculative_block,
5561 init_before_recovery, create_recovery_block, create_check_block_twin,
5562 fix_recovery_deps): New static functions to support
5563 generation of recovery code.
5564 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5565 restore_bb_notes, move_block_after_check, move_succs): New static
5566 functions to support ebb scheduling.
5567 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5568 functions to support handling of register live information.
5569 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5570 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5571 add_jump_dependencies): New static functions.
5572 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5573 consistancy checking.
5574 (debug_spec_status): New function to call from debugger.
5575 (priority): Added code to handle speculation checks.
5576 (rank_for_schedule): Added code to distinguish speculative instructions.
5577 (schedule_insn): Added code to handle speculation checks.
5578 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5579 Fixed to handle ebbs.
5580 (move_insn): Added code to handle ebb scheduling.
5581 (max_issue): Added code to use ISSUE_POINTS of instructions.
5582 (choose_ready): Added code to choose between speculative and
5583 non-speculative instructions.
5584 (schedule_block): Added code to handle ebb scheduling and scheduling of
5585 speculative instructions.
5586 (sched_init): Initialize new variables.
5587 (sched_finish): Free new variables. Print statistics.
5588 (try_ready): Added code to handle speculative instructions.
5589 * lists.c (copy_DEPS_LIST_list): New function.
5590 * sched-deps.c (extend_dependency_caches): New function. Move logic
5591 from create_dependency_caches to here.
5592 (get_dep_weak, ds_merge): Make global.
5593 * genattr.c (main): Code to output prototype for
5594 dfa_clear_single_insn_cache.
5595 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5596 (output_dfa_clean_insn_cache_func): Code to output
5597 dfa_clear_single_insn_cache function.
5598 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5600 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5602 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5603 New static variables.
5604 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5605 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5607 (ebb_sched_info): Initialize new fields.
5608 (get_block_head_tail): Adjust all uses.
5609 (compute_jump_reg_dependencies): Fixed to use glat_start.
5610 (schedule_ebb): Code to remove unreachable last block.
5611 (schedule_ebbs): Added code to update register live information.
5612 * sched-rgn.c (region_sched_info): Initialize new fields.
5613 (get_block_head_tail): Adjust all uses.
5614 (last_was_jump): Removed. Adjust users.
5615 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5616 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5617 Implement new hooks.
5618 (check_dead_notes1): New static function.
5619 (struct region): New fields: dont_calc_deps, has_real_ebb.
5620 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5621 (BB_TO_BLOCK): Fixed to handle EBBs.
5622 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5623 (ebb_head): New static variable.
5624 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5625 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5627 (compute_dom_prob_ps): New assertion.
5628 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5629 global_live_at_start.
5630 (init_ready_list): New assertions.
5631 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5632 (new_ready): Add support for BEGIN_CONTROL speculation.
5633 (schedule_insns): Fixed code that updates register live information
5635 (schedule_region): Fixed to handle EBBs.
5636 (init_regions): Use extend_regions and check_dead_notes1.
5637 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5638 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5639 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5640 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5641 TARGET_SCHED_GEN_CHECK,
5642 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5643 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5644 * doc/invoke.texi (max-sched-insn-conflict-delay,
5645 sched-spec-prob-cutoff): Document.
5647 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5649 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5650 inter_tick, queue_index.
5651 (struct sched_info): Change signature of init_ready_list field.
5652 Adjust all initializations.
5653 (RESOLVED_DEPS): New access macro.
5654 (ready_add): Remove prototype.
5655 (try_ready): Add prototype.
5656 * sched-rgn.c (init_ready_list): Use try_ready.
5657 (schedule_region): Initialize
5658 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5659 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5660 (init_ready_list): Use try_ready.
5661 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5662 * lists.c (remove_list_elem): Remove `static'.
5663 (remove_free_INSN_LIST_elem): New function.
5664 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5665 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5666 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5668 (readyp): New variable.
5669 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5670 change_queue_index, resolve_dep): New static functions.
5671 (try_ready): New function. Adjust callers in sched-rgn.c and
5672 sched-ebb.c to use it instead of ready_add.
5673 (clock_var): Move at the begining of file.
5674 (rank_for_schedule): Fix typo.
5675 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5676 (ready_lastpos): Enforce assertion.
5677 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5679 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5680 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5681 (queue_to_ready): Use free_INSN_LIST_list.
5682 (early_queue_to_ready): Fix typo.
5683 (schedule_block): Init readyp. Move init_ready_list call after the
5684 initialization of clock_var. Fix error in rejecting insn by
5685 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5686 that previously corrected INSN_TICKs. Add code for handling
5688 (set_priorities): Fix typo.
5689 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5690 Clarify comment and code that keeps current_sched_info->next_tail
5693 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5695 * sched-rgn.c (extend_rgns): New static function.
5696 (find_rgns): Use it.
5697 (gather_region_statistics, print_region_statistics): New static
5699 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5700 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5703 Andrey Belevantsev <abel@ispras.ru>
5705 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5706 * lists.c (unused_deps_list): New variable.
5707 (free_list): Add assertions to verify the proper distinguishing
5708 between INSN_LISTs and DEPS_LISTs.
5709 (find_list_elem, remove_list_elem, remove_list_node): New static
5711 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5712 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5713 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5714 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5716 (free_INSN_LIST_node): Likewise.
5717 * modulo-sched.c (current_sched_info): Initialize flags field.
5718 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5719 * rtl.def (DEPS_LIST): Define.
5720 * rtl.h: Declare new functions from lists.c.
5721 * sched-deps.c (spec_dependency_cache): New static variable.
5722 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5723 (add_dependence): Change return type to void. Move the logic to ...
5724 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5725 (delete_all_dependences): Add comment about forward_dependency_cache.
5726 Handle spec_dependency_cache. Handle DEPS_LISTs.
5727 (fixup_sched_groups): Clarify the change of priority of output
5728 and anti dependencies.
5729 (sched_analyze_2): Adjust add_dependence calls to create data
5730 speculative dependence.
5731 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5732 Adjust all callers. Handle DEPS_LISTS.
5733 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5734 presence of speculation.
5735 (init_dependency_caches, free_dependency_caches):
5736 Handle spec_dependency_cache.
5737 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5738 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5739 New static functions.
5740 (add_or_update_back_dep, add_or_update_back_forw_dep,
5741 add_back_forw_dep, delete_back_forw_dep): New functions.
5742 * sched-int.h (ds_t, dw_t): New typedefs.
5743 (struct sched_info): Add new field flags.
5744 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5745 Prototype new sched-deps.c functions.
5746 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5747 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5748 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5749 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5750 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5751 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5753 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5755 * sched-rgn.c (current_sched_info): Initialize flags field.
5756 (schedule_insns): Initialize current_sched_info before the sched_init
5758 * sched-ebb.c (current_sched_info): Initialize flags field.
5759 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5760 Call add_or_update_back_dep instead of add_dependence.
5761 Create control speculative dependencies.
5762 (schedule_insns): Initialize current_sched_info before the sched_init
5765 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5767 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5769 (sh_fallback_frame_state): Likewise.
5771 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5773 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5774 Do switch on default_use_cxa_atexit.
5775 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5776 * config/darwin-crt3.o: New.
5777 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5778 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5779 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5781 * config/rs6000/t-darwin: Move crt2.o building to here.
5782 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5783 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5786 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5788 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5789 from '! xxx' to '!xxx' for coding-style conformance.
5790 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5791 (EXTRA_CONSTRAINT): Likewise.
5792 * config/vax/vax.md (four unnamed insns): Likewise.
5794 2006-03-15 Paul Brook <paul@codesourcery.com>
5796 * config/arm/arm.c (minipool_pad): New.
5797 (add_minipool_forward_ref): Include pool alignment padding in address
5799 (push_minipool_fix): Set minipool_pad.
5800 (minipool_pad): Ditto.
5802 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5804 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5805 instead of GET_CODE() == MEM and REG_P() instead of
5807 (print_operand_address): Likewise.
5808 (vax_address_cost): Likewise.
5809 (vax_rtx_costs): Likewise.
5810 (vax_notice_update_cc): Likewise.
5811 (vax_output_int_add): Likewise.
5812 (INDEX_REGISTER_P): Likewise.
5813 (BASE_REGISTER_P): Likewise.
5814 (nonindexed_address_p): Likewise.
5815 (vax_mode_dependent_address_p): Likewise.
5816 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5817 (PRINT_OPERAND): Likewise.
5818 * config/vax/vax.md (ashlsi3): Likewise.
5819 (ashlsi3): Likewise.
5820 (some more unnamed insns): Likewise.
5822 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5824 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5825 iterator-style macro.
5826 (mark_control_dependent_edges_necessary): Update the use of
5827 EXECUTE_IF_CONTROL_DEPENDENT.
5829 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5831 * config/sh/predicates.md (cache_address_operand): Special.
5832 (ua_address_operand): Likewise.
5834 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5836 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5838 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5840 2006-03-15 Andreas Schwab <schwab@suse.de>
5842 * gensupport.c (identify_predicable_attribute): Don't free p_false
5843 when it is still in use.
5845 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5847 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5848 the default setting here.
5850 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5852 * tree-pass.h (pass_cfg): Remove.
5853 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5854 * passes.c (pass_cfg): Don't run it.
5856 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5858 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5859 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5861 (stack_regs_mentioned): Update the uses of
5862 stack_regs_mentioned_data. Don't access the array beyond its
5864 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5865 Don't include gt-reg-stack.h.
5867 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5868 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5870 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5873 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5876 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5878 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5880 2006-03-14 Richard Guenther <rguenther@suse.de>
5882 PR tree-optimization/26672
5883 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5886 2006-03-14 Richard Guenther <rguenther@suse.de>
5888 PR tree-optimization/26667
5889 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5890 node for the callees. Always allow inlining if it will shrink
5893 2006-03-14 Richard Guenther <rguenther@suse.de>
5896 * builtins.c (get_pointer_alignment): Prefer alignment
5897 information from decls over that from types.
5899 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5902 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5904 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5906 * config/rs6000/rs6000.opt (mdlmzb): New option.
5907 (msched-prolog, msched-epilog): Use Var not Mask.
5908 * doc/invoke.texi (-mdlmzb): Document.
5909 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5911 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5912 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5914 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5916 PR rtl-optimization/25739
5917 * bt-load.c (augment_live_range): Free tos pointer.
5919 * gensupport.c (identify_predicable_attribute): Free
5921 * gcov.c (create_file_names): Free name pointer.
5923 2006-03-13 Roger Sayle <roger@eyesopen.com>
5926 * stmt.c (emit_case_nodes): Handle the case where the index is a
5927 CONST_INT, where the comparison mode is specified by the index type.
5929 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5931 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5934 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5936 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5937 (*branch_fp_inverted): Likewise.
5939 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5942 * omp-low.c (expand_omp_for_generic): Mark istart0
5943 and iend0 as addressable.
5945 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5947 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5949 2006-03-13 Jeff Law <law@redhat.com>
5951 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5952 virtual operands are interesting.
5953 (vrp_visit_stmt): Corresponding changes.
5955 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5957 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5959 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5960 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5961 * config/bfin/crti.S: Use it instead of __PIC__.
5962 * config/bfin/crtn.S: Likewise.
5964 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5965 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5967 Lose 'G' modifier for call operand.
5968 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5969 recognize 'G' modifier.
5971 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5974 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5975 * stmt.c (expand_case): Likewise.
5977 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5979 PR rtl-optimization/26254
5980 * loop-invariant.c (seq_insns_valid_p): New function.
5981 (move_invariant_reg): Only emit new code if it is valid.
5983 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5985 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5987 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5988 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5989 (commit_one_edge_insertion): Do not look for loop notes.
5991 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5993 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5994 flag_test_coverage out of loop.
5996 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5998 * final.c (shorten_branches): Remove outdated comment, and turn
5999 the if branch that guards it to continue.
6001 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6003 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6004 * cfgloop.h (struct loop): Remove unused fields.
6006 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6008 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6009 (-dL, -fdump-rtl-loop2): Update the dump file names
6011 * doc/invoke.texi: Update dump file names.
6013 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6015 * predict.c (estimate_probability): Remove.
6016 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6017 * basic-block.h (estimate_probability): Remove prototype.
6018 * passes.c (finish_optimization_passes): Dump branch prediction or
6019 profiling heuristics to the .profile tree dump.
6020 (init_optimization_passes): Unqueue pass_branch_prob.
6022 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6024 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6026 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6027 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6029 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6031 * function.h (frame_offset_overflow): Declare.
6032 * function.c (frame_offset_overflow): New function.
6033 (assign_stack_local_1): Call it to detect that the offset overflows.
6034 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6036 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6038 * config/sh/sh.c: Include alloc-pool.h.
6039 (label_ref_list_pool): New alloc pool.
6040 (label_ref_list_t): New type for lists of labels.
6041 (struct pool_node): Make wend a label_ref_list_t.
6042 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6044 (dump_table): Likewise.
6045 (sh_reorg): Set up the alloc pool before using add_constant and
6046 dump_table, and destroy it when finishing.
6048 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6050 * config/mips/mips.c: Remove redundant comment.
6052 2006-03-10 Jason Merrill <jason@redhat.com>
6055 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6056 the target was declared 'register'.
6058 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6060 * genpreds.c (write_insn_constraint_len): Change definition of
6061 insn_constraint_len to return size_t to match the declaration.
6063 2006-03-10 DJ Delorie <dj@redhat.com>
6065 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6067 (m32c_expand_insv): Fix test for an AND mask.
6069 2006-03-10 Richard Guenther <rguenther@suse.de>
6072 * builtins.c (get_pointer_alignment): Handle component
6073 references for field alignment.
6075 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6077 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6078 when building with libgloss.
6079 (sh*elf): Implement --without-fp option.
6080 (sh64-superh-linux*): Don't multilib.
6082 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6084 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6086 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6088 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6089 Set it when one of the replacement functions returned true.
6090 Return TODO_cleanup_cfg if cfgchanged is true.
6091 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6093 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6095 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6096 instead of gen_lowpart.
6098 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6100 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6102 (mips_output_order_conditional_branch): Declare.
6103 * config/mips/mips.h (MIPS_BRANCH): New macro.
6104 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6105 for the comparison. Use gen_condjump.
6106 (mips_output_conditional_branch): Rework interface to take the
6107 asm templates for a direct branch and the inverse of a direct branch.
6108 (mips_output_order_conditional_branch): New function.
6109 (mips_builtin_branch_and_move): New function.
6110 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6111 branch condition. Use gen_single_cc as the condition for
6112 __builtin_mips_upper_* or __builtin_mips_lower_*.
6113 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6114 Use VOIDmode for the branch condition.
6115 * config/mips/predicates.md (order_operator): New predicate.
6116 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6117 (branch_fp): Rename to...
6118 (*branch_fp): ...this. Remove mode from comparison operator.
6119 Use new mips_output_conditional_branch interface.
6120 (branch_fp_inverted): Rename to...
6121 (*branch_fp_inverted): ...this and update as for *branch_fp.
6122 (*branch_zero<mode>): Rename to...
6123 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6124 Use mips_output_order_conditional_branch. Only accept ordered
6126 (*branch_zero<mode>_inverted): Rename to...
6127 (*branch_order<mode>_inverted): ...this and update as for
6128 *branch_order<mode>.
6129 (*branch_equality<mode>): Accept zero as the second operand to
6130 the equality operator. Use the new mips_output_conditional_branch
6132 (*branch_equality<mode>_inverted): Likewise.
6133 (condjump): New expander.
6134 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6136 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6137 (bc1any2t, bc1any2f): Likewise.
6138 (single_cc): New expander.
6139 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6141 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6143 * doc/md.texi: Update documentation of MIPS constraints.
6144 * config/mips/constraints.md: New file.
6145 * config/mips/mips.md: Include it.
6146 * config/mips/mips.c (mips_char_to_class): Delete.
6147 (override_options): Don't initialize mips_char_to_class.
6148 * config/mips/mips.h (mips_char_to_class): Delete.
6149 (REG_CLASS_FROM_LETTER): Delete.
6150 (CONST_OK_FOR_LETTER_P): Delete.
6151 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6152 (EXTRA_CONSTRAINT_Y): Delete.
6153 (EXTRA_CONSTRAINT_STR): Delete.
6154 (CONSTRAINT_LEN): Delete.
6155 (EXTRA_MEMORY_CONSTRAINT): Delete.
6157 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6159 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6160 original fn's eh regions.
6162 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6164 * fold-const.c (build_range_check): Make sure to use a valid type to
6165 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6168 (range_predecessor): New static function.
6169 (range_successor): Likewise.
6170 (merge_ranges): Use them to compute predecessors and successors of
6173 2006-03-09 Roger Sayle <roger@eyesopen.com>
6176 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6177 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6179 2006-03-08 DJ Delorie <dj@redhat.com>
6181 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6182 (addpsi3): Expand to include memory operands. Remove
6183 reload-specific splits.
6184 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6185 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6186 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6187 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6188 (shift1_qi, shift1_hi, insv): New.
6189 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6190 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6191 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6193 * config/m32c/m32c-protos.h: Update as needed.
6194 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6195 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6196 Fail for unrecognized R* constraints.
6197 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6198 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6199 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6201 (m32c_init_libfuncs): New.
6202 (m32c_legitimate_address_p): Add debug wrapper.
6203 (m32c_rtx_costs): New.
6204 (m32c_address_cost): New.
6205 (conversions): Add 'B' prefix.
6206 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6207 operands, or word regnames for QI operands. 'B' prints bit
6209 (m32c_expand_setmemhi): New.
6210 (m32c_expand_movmemhi): New.
6211 (m32c_expand_movstr): New.
6212 (m32c_expand_cmpstr): New.
6213 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6214 (m32c_expand_neg_mulpsi3): Handle non-ints.
6215 (m32c_cmp_flg_0): New.
6216 (m32c_expand_movcc): New.
6217 (m32c_expand_insv): New.
6218 (m32c_scc_pattern): New.
6219 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6220 a0/a1 out of SIregs.
6221 (STORE_FLAG_VALUE): New.
6222 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6225 * config/m32c/mov.md: Make constraints more liberal.
6226 (zero_extendqihi2): Optimize r0/r1 case.
6227 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6228 * config/m32c/predicates.md (m32c_any_operand): New.
6229 (m32c_nonimmediate_operand): New.
6230 (m32c_hl_operand): New.
6231 (m32c_r3_operand): New.
6234 (memsym_operand): New.
6235 (memimmed_operand): New.
6236 (a_qi_operand): New.
6237 (m32c_eqne_operator): New.
6238 (m32c_1bit8_operand): New.
6239 (m32c_1bit16_operand): New.
6240 (m32c_1mask8_operand): New.
6241 (m32c_1mask16_operand): New.
6242 * config/m32c/blkmov.md: New file.
6243 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6245 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6247 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6248 unsigned to fix signed/unsigned comparison issue in
6249 DWARF2_FRAME_REG_OUT.
6250 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6251 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6253 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6254 of ptr into the ENABLE_CHECKING section.
6256 2006-03-08 Jeff Law <law@redhat.com>
6258 * tree-vrp.c (infer_value_range): Only count pointer uses
6259 and dereferences if -fdelete-null-pointer-checks is enabled.
6261 * tree-vrp.c (find_assert_locations): Infer value ranges for
6262 single use pointers, but do not create ASSERT_EXPRs for them.
6263 When a non-null range is inferred for a pointer, backwards
6264 propagate that range to other equivalent pointers through the
6267 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6270 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6271 language hook targets.
6272 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6273 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6274 if language hook targets were missing.
6276 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6278 * tree-ssa-opfinalize.h: Removed.
6279 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6281 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6282 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6283 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6284 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6285 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6286 finalize_ssa_v_must_def_ops): New.
6288 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6290 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6293 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6295 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6297 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6298 addresses with offsets; reorganize.
6300 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6301 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6302 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6304 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6307 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6309 2006-03-08 Ben Elliston <bje@au.ibm.com>
6311 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6313 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6316 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6319 2006-03-07 Richard Guenther <rguenther@suse.de>
6321 PR tree-optimization/26587
6322 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6324 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6326 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6328 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6330 * hooks.c (hook_bool_mode_rtx_true): New function.
6331 * hooks.h (hook_bool_mode_rtx_true): Declare.
6332 * toplev.c (compile_file): Call output_shared_constant_pool.
6333 * varasm.c (shared_constant_pool): New variable.
6334 (assemble_start_function, assemble_end_function): Remove arguments
6335 from call to output_constant_pool.
6336 (create_constant_pool): New function, split out from...
6337 (init_varasm_status): ...here.
6338 (force_const_mem): Choose between the shared and per-function constant
6339 pools. Set current_function_uses_const_pool when reusing old entries
6340 as well as when creating new ones.
6341 (mark_constant): Ignore data argument.
6342 (mark_constants): Remove pool argument.
6343 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6344 to decide whether the function uses a constant pool.
6345 (output_constant_pool_contents): New function, split out from...
6346 (output_constant_pool): ...here.
6347 (output_shared_constant_pool): New function.
6348 (init_varasm_once): Initialize shared_constant_pool.
6349 * output.h (output_constant_pool): Delete.
6350 (output_shared_constant_pool): Declare.
6351 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6352 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6354 2006-03-06 Nick Clifton <nickc@redhat.com>
6356 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6357 flag_strength_reduce.
6359 2006-03-06 Ben Elliston <bje@au.ibm.com>
6361 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6362 x86_64-*-linux* configurations.
6364 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6365 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6367 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6369 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6371 * basic-block.h: Remove the extern for
6372 rediscover_loops_after_threading.
6374 * cfgloop.c (cancel_loop): Make it static.
6375 * cfgloop.h: Remove the prototype for cancel_loop.
6377 * flow.c (recompute_reg_usage): Make it static.
6378 * rtl.h: Remove the prototype for recompute_reg_usage.
6380 * function.c (use_return_register): Make it static.
6381 * function.h: Remove the prototype.
6383 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6385 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6387 * recog.h: Remove the prototype for
6388 validate_change_maybe_volatile.
6390 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6392 * rtlanal.c (replace_reg): Remove.
6393 * rtl.h: Remove the prototype for replace_reg.
6395 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6397 * regclass.c (reg_scan_update): Remove.
6398 (reg_scan_mark_refs): Remove the last argument.
6399 * rtl.h: Remove the prototype for reg_scan_update.
6401 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6403 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6404 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6405 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6406 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6407 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6408 loop-invariant.c, omp-low.c, opts.c, passes.c,
6409 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6410 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6411 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6412 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6413 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6414 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6416 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6418 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6419 * dwarf2out.h: Remove the prototype for
6420 dwarf2out_add_library_unit_info.
6422 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6424 * tree.c (add_var_to_bind_expr): Remove.
6425 * tree.h: Remove the prototype for add_var_to_bind_expr.
6427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6429 * regclass.c (n_non_fixed_regs): Remove.
6430 (init_reg_sets_1, globalize_reg): Remove all uses of
6432 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6434 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6436 * rtlanal.c (insns_safe_to_move_p): Remove.
6437 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6439 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6441 * expmed.c (expand_mult_add): Remove.
6442 * expr.h: Remove the prototype for expand_mult_add.
6444 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6446 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6447 and REG_SAVED_VAL_EXP constants.
6448 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6449 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6450 Handle regs stored by value.
6451 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6452 (execute_cfa_program): Handle DW_CFA_val_offset,
6453 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6454 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6455 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6456 (uw_install_context_1): Handle target regs stored by value.
6458 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6460 * tree-sra.c (tree_sra): Return todoflags;
6461 (generate_one_element): Set TODO_update_smt_usage if needed.
6462 (pass_sra): Remove TODO_update_smt_usage.
6463 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6465 (tree_ssa_forward_propagate_single_use_vars): Return
6466 TODO_update_smt_usage if we need to update SMT usage.
6467 (pass_forwprop): Remove TODO_update_smt_usage.
6469 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6471 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6472 (correct_use_link): Remove reference to get_stmt_operands.
6473 (update_stmt_operands): Likewise.
6474 (get_modify_expr_operands): New function factored out of
6475 parse_ssa_operands and get_expr_operands.
6476 Try to create V_MUST_DEFs for LHS by default.
6477 (get_expr_operands) <case MODIFY_EXPR>: Call
6478 get_modify_expr_operands.
6479 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6480 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6481 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6482 get_modify_expr_operands.
6484 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6486 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6487 * tree-flow.h: Remove the prototype for
6488 referenced_var_lookup_if_exists.
6490 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6492 PR rtl-optimization/26345
6494 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6496 2006-03-03 Roger Sayle <roger@eyesopen.com>
6498 PR tree-optimization/26524
6499 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6500 fold_convert to create a constant of the appropriate type.
6502 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6504 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6505 SYMBOL_REF_IN_BLOCK_P.
6506 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6507 of SYMBOL_FLAG_IN_BLOCK.
6508 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6509 instead of SYMBOL_REF_IN_BLOCK_P.
6510 * explow.c (use_anchored_address): Likewise.
6511 * rtl.c (rtx_size): Likewise.
6512 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6513 instead of SYMBOL_FLAG_IN_BLOCK.
6514 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6515 SYMBOL_REF_IN_BLOCK_P.
6516 (assemble_variable): Likewise.
6517 (output_constant_def_contents): Likewise.
6518 (output_constant_pool): Likewise.
6519 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6520 instead of SYMBOL_FLAG_IN_BLOCK.
6521 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6522 SYMBOL_REF_IN_BLOCK_P.
6523 (SYMBOL_REF_BLOCK): Likewise.
6524 (SYMBOL_REF_OFFSET): Likewise.
6525 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6526 SYMBOL_REF_IN_BLOCK_P.
6527 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6528 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6529 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6530 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6532 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6534 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6536 2006-03-02 Roger Sayle <roger@eyesopen.com>
6538 * simplify-rtx.c (simplify_unary_operation): When simplifying
6539 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6540 that we perform the right shift in the appropriate mode, and
6541 then extend or truncate the result to requested mode.
6543 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6545 * gengtype.c (main): Handle double_int type.
6546 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6547 * double-int.c: New file.
6548 * double-int.h: New file.
6549 * system.h: Include doubleint.h.
6550 * Makefile.in (SYSTEM_H): Include double-int.h.
6551 (double-int.o): Add.
6553 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6556 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6559 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6561 * tree-vrp.c (remove_range_assertions): Do not update statements
6564 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6566 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6568 * gcse.c (rest_of_handle_gcse): Ditto.
6569 * except.c (gate_handle_eh): Ditto.
6570 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6571 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6573 2006-03-02 Eric Christopher <echristo@apple.com>
6575 * config/i386/i386.c (machopic_output_stub): Add indirection to
6578 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6582 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6584 Sun Niagara specific optimizations.
6585 * config.gcc: Recognize niagara as target.
6586 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6587 (TARGET_CPU_niagara): Define.
6588 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6589 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6590 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6591 (ASM_CPU_SPEC): Likewise.
6592 (PROCESSOR_NIAGARA): New enum entry.
6593 (REGISTER_MOVE_COST): Handle Niagara.
6594 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6595 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6596 (sparc_override_options): Recognize "niagara", set appropriate
6597 default MASK_* values for it, and align functions to 32-bytes
6598 by default just like ULTRASPARC/ULTRASPARC3.
6599 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6600 (sparc64_initialize_trampoline): Likewise.
6601 (sparc_use_sched_lookahead): Use zero for niagara.
6602 (sparc_issue_rate): Use one for niagara.
6603 * config/sparc/niagara.md: New file.
6604 * config/sparc/sparc.md: Include it.
6605 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6606 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6607 when default cpu is niagara.
6608 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6609 (ASM_CPU_SPEC): Likewise.
6610 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6611 when default cpu is niagara.
6612 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6613 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6614 just like v9/ultrasparc/ultrasparc3.
6615 * doc/invoke.texi: Add documentation for "niagara" and improve
6616 existing documentation for ultrasparc variants.
6618 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6620 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6622 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6624 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6625 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6626 and say that only one is needed.
6627 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6628 * target.h (have_switchable_bss_sections): New hook.
6629 * explow.c (use_anchored_address): Check that the symbol is in a block.
6630 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6631 (bss_noswitch_section): New variables.
6632 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6633 (get_noswitch_section): New function.
6634 (get_block_for_section): Allow SECT to be null.
6635 (unlikely_text_section_p): Use SECTION_STYLE.
6636 (bss_initializer_p): New function.
6637 (get_variable_section): Move earlier in file. Take a new argument,
6638 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6639 Return one of the new *_sections in such cases.
6640 (get_block_for_decl): New function, extracting some logic from
6641 use_blocks_for_decl_p.
6642 (change_symbol_section): Remove in favor of...
6643 (change_symbol_block): ...this new function.
6644 (use_blocks_for_decl_p): Remove checks now performed by
6646 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6647 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6648 (emit_local, emit_bss, emit_common): ...these new functions.
6649 Return true if the alignment was honored.
6650 (emit_tls_common): New function.
6651 (asm_emit_uninitialised): Delete.
6652 (assemble_variable_noswitch): New function, split out from...
6653 (assemble_variable): ...here. Don't make decisions about common
6654 variables here. Globalize all public decls that go into non-common
6655 sections. Check whether SYMBOL_REF_BLOCK is null.
6656 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6657 (output_constant_pool): Likewise.
6658 (init_varasm_once): Initialize the new section variables.
6659 (have_global_bss_p): New function.
6660 (categorize_decl_for_section): Use bss_initializer_p.
6661 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6662 (place_block_symbol): Assert that the symbol must be in a block.
6663 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6664 (TARGET_INITIALIZER): Include it.
6665 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6666 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6667 (SECTION_MACH_DEP): Bump by two.
6668 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6669 (unnamed_section): Mention SECTION_UNNAMED in comment.
6670 (named_section): Likewise SECTION_NAMED.
6671 (noswitch_section_callback): New type.
6672 (noswitch_section): New structure.
6673 (section): Add a noswitch_section alternative.
6674 (SECTION_STYLE): New macro.
6675 (tls_comm_section, comm_section, lcomm_section): Declare.
6676 (bss_noswitch_section, have_global_bss_p): Declare.
6677 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6678 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6680 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6681 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6684 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6686 * tree-vrp.c (execute_vrp): Return value.
6687 * regrename.c (rest_of_handle_regrename): Ditto.
6688 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6689 * tree-complex.c (tree_lower_complex): Ditto.
6690 (tree_lower_complex_O0): Ditto.
6691 * tracer.c (rest_of_handle_tracer): Ditto.
6692 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6693 * postreload.c (rest_of_handle_postreload): Ditto.
6694 * tree-tailcall.c (execute_tail_recursion): Ditto.
6695 (execute_tail_calls): Ditto.
6696 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6697 * tree.h (init_function_for_compilation): Ditto.
6698 * ipa-cp.c (ipcp_driver): Ditto.
6699 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6700 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6701 * final.c (compute_alignments): Ditto.
6702 (rest_of_handle_final): Ditto.
6703 (rest_of_handle_shorten_branches): Ditto.
6704 (rest_of_clean_state): Ditto.
6705 * omp-low.c (execute_expand_omp): Ditto.
6706 (execute_lower_omp): Ditto.
6707 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6708 * ipa-reference.c (static_execute): Ditto.
6709 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6710 * reorg.c (rest_of_handle_delay_slots): Ditto.
6711 (rest_of_handle_machine_reorg): Ditto.
6712 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6713 * flow.c (recompute_reg_usage): Ditto.
6714 (rest_of_handle_remove_death_notes): Ditto.
6715 (rest_of_handle_life): Ditto.
6716 (rest_of_handle_flow2): Ditto.
6717 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6718 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6719 (do_ssa_store_ccp): Ditto.
6720 (execute_fold_all_builtins): Ditto.
6721 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6722 * modulo-sched.c (rest_of_handle_sms): Ditto.
6723 * ipa-pure-const.c (static_execute): Ditto.
6724 * cse.c (rest_of_handle_cse): Ditto.
6725 (rest_of_handle_cse2): Ditto.
6726 * web.c (rest_of_handle_web): Ditto.
6727 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6728 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6729 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6730 * tree-nrv.c (tree_nrv): Ditto.
6731 (execute_return_slot_opt): Ditto.
6732 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6733 (create_structure_vars): Ditto.
6734 * loop-init.c (rtl_loop_init): Ditto.
6735 (rtl_loop_done): Ditto.
6736 (rtl_move_loop_invariants): Ditto.
6737 (rtl_unswitch): Ditto.
6738 (rtl_unroll_and_peel_loops): Ditto.
6739 (rtl_doloop): Ditto.
6740 * gimple-low.c (lower_function_body): Ditto.
6741 (mark_used_blocks): Ditto.
6742 * tree-ssa-sink.c (execute_sink_code): Ditto.
6743 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6744 (cgraph_early_inlining): Ditto.
6745 * global.c (rest_of_handle_global_alloc): Ditto.
6746 * jump.c (cleanup_barriers): Ditto.
6747 (purge_line_number_notes): Ditto.
6748 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6749 (rest_of_handle_if_after_reload): Ditto.
6750 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6751 (tree_ssa_loop_im): Ditto.
6752 (tree_ssa_loop_unswitch): Ditto.
6753 (tree_vectorize): Ditto.
6754 (tree_linear_transform): Ditto.
6755 (tree_ssa_loop_ivcanon): Ditto.
6756 (tree_ssa_empty_loop): Ditto.
6757 (tree_ssa_loop_bounds): Ditto.
6758 (tree_complete_unroll): Ditto.
6759 (tree_ssa_loop_prefetch): Ditto.
6760 (tree_ssa_loop_ivopts): Ditto.
6761 (tree_ssa_loop_done): Ditto.
6762 * predict.c (tree_estimate_probability): Ditto.
6763 * recog.c (split_all_insns_noflow): Ditto.
6764 (rest_of_handle_peephole2): Ditto.
6765 (rest_of_handle_split_all_insns): Ditto.
6766 * tree-eh.c (lower_eh_constructs): Ditto.
6767 * regmove.c (rest_of_handle_regmove): Ditto.
6768 (rest_of_handle_stack_adjustments): Ditto.
6769 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6770 * function.c (instantiate_virtual_regs): Ditto.
6771 (init_function_for_compilation): Ditto.
6772 (rest_of_handle_check_leaf_regs): Ditto.
6773 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6774 (rest_of_handle_gcse): Ditto.
6775 * ipa-type-escape.c (type_escape_execute): Ditto.
6776 * alias.c (rest_of_handle_cfg): Ditto.
6777 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6778 * profile.c (rest_of_handle_branch_prob): Ditto.
6779 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6780 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6781 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6782 * tree-dfa.c (find_referenced_vars): Ditto.
6783 * except.c (set_nothrow_function_flags): Ditto.
6784 (convert_to_eh_region_ranges): Ditto.
6785 (rest_of_handle_eh): Ditto.
6786 * emit-rtl.c (unshare_all_rtl): Ditto.
6787 (remove_unnecessary_notes): Ditto.
6788 * except.h (set_nothrow_function_flags): Ditto.
6789 (convert_to_eh_region_ranges): Ditto.
6790 * cfgexpand.c (tree_expand_cfg): Ditto.
6791 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6792 * tree-ssa-pre.c (do_pre): Ditto.
6793 (execute_fre): Ditto.
6794 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6795 (rest_of_handle_jump2): Ditto.
6796 * tree-sra.c (tree_sra): Ditto.
6797 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6798 (execute_mudflap_function_decls): Ditto.
6799 * tree-ssa-copy.c (do_copy_prop): Ditto.
6800 (do_store_copy_prop): Ditto.
6801 * ipa-prop.h (ipcp_driver): Ditto.
6802 * cfglayout.c (insn_locators_initialize): Ditto.
6803 * tree-ssa-forwprop.c
6804 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6805 * cfglayout.h (insn_locators_initialize): Ditto.
6806 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6807 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6808 (execute_late_warn_uninitialized): Ditto.
6809 * rtl.h (cleanup_barriers): Ditto.
6810 (split_all_insns_noflow): Ditto.
6811 (purge_line_number_notes): Ditto.
6812 (unshare_all_rtl): Ditto.
6813 (remove_unnecessary_notes): Ditto.
6814 (recompute_reg_usage): Ditto.
6815 (variable_tracking_main): Ditto.
6816 * integrate.c (emit_initial_value_sets): Ditto.
6817 * integrate.h (emit_initial_value_sets): Ditto.
6818 * tree-optimize.c (execute_free_datastructures): Ditto
6819 (execute_free_cfg_annotations): Ditto.
6820 (execute_fixup_cfg): Ditto.
6821 (execute_cleanup_cfg_pre_ipa): Ditto.
6822 (execute_cleanup_cfg_post_optimizing): Ditto.
6823 (execute_init_datastructures): Ditto.
6824 * tree-object-size.c (compute_object_sizes): Ditto.
6825 * combine.c (rest_of_handle_combine): Ditto.
6826 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6827 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6828 (rest_of_handle_reorder_blocks): Ditto.
6829 (rest_of_handle_partition_blocks): Ditto.
6830 * var-tracking.c (variable_tracking_main): Ditto.
6831 * tree-profile.c (tree_profiling): Ditto.
6832 * tree-vect-generic.c (expand_vector_operations): Ditto.
6833 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6834 * sched-rgn.c (rest_of_handle_sched): Ditto.
6835 (rest_of_handle_sched2): Ditto.
6836 * basic-block.h (free_bb_insn): Ditto.
6837 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6838 * tree-cfg.c (execute_build_cfg): Ditto.
6839 (remove_useless_stmts): Ditto.
6840 (split_critical_edges): Ditto.
6841 (execute_warn_function_return): Ditto.
6842 (execute_warn_function_noreturn): Ditto.
6843 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6844 * cfgrtl.c (free_bb_for_insn): Ditto.
6845 * passes.c (execute_one_pass): Run additional
6846 todos returned by execute function.
6847 * tree-pass.h (struct tree_opt_pass): Make execute
6850 2006-03-02 Richard Guenther <rguenther@suse.de>
6852 * tree-ssa-alias.c (find_used_portions): Consider taking
6853 the address as making the variable not write-only.
6855 2006-03-02 Nick Clifton <nickc@redhat.com>
6857 * config.gcc (default_use_cxa_atexit): Extend the description of
6858 this configure variable. Set its default value to "yes" for
6859 Linux, NetBSD and ELF targets on the assumption that they will
6860 use C libraries with the __cxa_atexit function.
6862 2006-03-02 Ben Elliston <bje@au.ibm.com>
6864 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6865 parameter as unused to suppress a build warning.
6867 2006-03-02 Ben Elliston <bje@au.ibm.com>
6869 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6872 2006-03-01 Roger Sayle <roger@eyesopen.com>
6875 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6876 declared name, the weak reference name, and the typeof name.
6877 (__gthrw): Avoid expanding the declared name suffix.
6878 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6880 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6882 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6884 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6885 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6886 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6887 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6888 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6889 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6890 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6891 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6892 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6893 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6894 (DW_END_default, DW_END_big, DW_END_little): New.
6895 (DW_END_lo_user, DW_END_hi_user): Define.
6896 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6897 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6898 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6901 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6903 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6905 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6907 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6909 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6911 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6912 to 'symbol_mem_tag'.
6914 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6917 2006-03-01 Roger Sayle <roger@eyesopen.com>
6919 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6921 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6924 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6925 MACHO_DYNAMIC_NO_PIC_P.
6926 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6928 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6931 * config/darwin-protos.h (darwin_asm_output_anchor):
6933 * config/darwin-sections.def (cstring_section):
6934 Add SECTION_MERGE to the flags.
6935 (literal4_section): Likewise.
6936 (literal8_section): Likewise.
6937 (objc_selector_refs_section): Likewise.
6938 (objc_cls_refs_section): Likewise.
6939 * config/darwin.c (darwin_asm_output_anchor): New
6941 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6943 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6945 Fix PR tree-optimization/26443
6946 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6947 to todo and PROP_tmt_usage to properties_destroyed.
6948 * tree-ssa-ccp.c (pass_ccp): Ditto.
6949 (pass_store_ccp): Ditto.
6950 * tree-ssa-dom.c (pass_dominator): Ditto.
6952 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6954 * tree-ssa-operands.c: Cleanup whitespace.
6955 (get_asm_expr_operands): Move before first invocation.
6956 (get_indirect_ref_operands): Likewise.
6957 (get_tmr_operands): Likewise.
6958 (get_call_expr_operands): Likewise.
6959 (append_def): Likewise.
6960 (append_use): Likewise.
6961 (append_v_may_def): Likewise.
6962 (append_v_must_def): Likewise.
6963 (add_call_clobber_ops): Likewise.
6964 (add_call_read_ops): Likewise.
6965 (add_stmt_operand): Likewise.
6966 (add_virtual_operand): Likewise.
6967 (build_ssa_operands): Likewise.
6969 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6974 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6975 with a call expr to ...
6976 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6978 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6980 * tree-vrp.c (extract_range_from_assert): Remove special
6981 handling for types with super-types.
6983 2006-03-01 Ben Elliston <bje@au.ibm.com>
6985 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6986 and powerpc64-*-linux* configurations.
6987 * config/t-dfprules: New file.
6989 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6990 Compile dfp-bit.c from the source directory using -DWIDTH and
6991 $DFP_CFLAGS to control the compilation of that file, rather than
6992 generating width-specific versions in the build directory.
6993 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6994 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6996 2006-02-28 Zack Weinberg <zackw@panix.com>
6998 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7001 2006-02-28 Eric Christopher <echristo@apple.com>
7003 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7004 Set up IN_LIBGCC definition of TARGET_64BIT.
7005 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7007 2006-02-28 Roger Sayle <roger@eyesopen.com>
7010 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7011 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7012 cases via the construction of "expr != 0".
7014 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7016 * alias.c (alias_invariant, alias_invariant_size): Remove.
7017 (record_base_value): Remove.
7018 (memrefs_conflict_p): Don't look at alias_invariant.
7019 (end_alias_analysis): Don't free it.
7020 * alias.h (record_base_value): Remove prototype.
7022 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7023 Adam Nemet <anemet@caviumnetworks.com>
7025 * rtl.h (truncated_to_mode): Declare it.
7026 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7027 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7028 (RTL_HOOKS_INITIALIZER): Include it.
7029 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7030 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7031 reg_truncated_to_mode.
7032 * rtlanal.c (truncated_to_mode): Define it.
7033 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7035 2006-02-28 Jeff Law <law@redhat.com>
7037 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7038 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7039 the range allowed by TYPE_PRECISION.
7041 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7043 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7045 PR tree-optimization/26419
7046 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7049 2006-02-27 Zack Weinberg <zackw@panix.com>
7051 * doc/md.texi: Fix typo in previous change.
7053 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7057 2006-02-27 Zack Weinberg <zackw@panix.com>
7059 * rtl.def (define_constraint, define_register_constraint)
7060 (define_memory_constraint, define_address_constraint): New MD forms.
7061 * gensupport.c (process_rtx): Put define_constraint etc on the
7063 * genpreds.c (process_define_predicate): Adjust comment. Validate
7064 the name, and call validate_exp to validate the expression.
7065 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7066 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7067 all callers changed.
7068 (validate_exp, needs_variable, struct constraint_data)
7069 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7070 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7071 (const_dbl_constraints, constraint_max_namelen)
7072 (have_register_constraints, have_memory_constraints)
7073 (have_address_constraints, have_address_constraints)
7074 (have_extra_constraints, have_const_int_constraints)
7075 (have_const_dbl_constraints, mangle, add_constraint)
7076 (process_define_constraint, process_define_register_constraint)
7077 (write_enum_constraint_num, write_lookup_constraint)
7078 (write_insn_constraint_len, write_regclass_for_constraint)
7079 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7080 (write_insn_extra_memory_constraint)
7081 (write_insn_extra_address_constraint)
7082 (write_satisfies_constraint_fns): New.
7083 (write_tm_preds_h): If we have new-style constraint definitions,
7084 prototype the functions generated from them, and define the
7085 old constraint interface (still used by generic code) in terms of
7087 (write_insn_preds_c): If we have new-style constraint definitions,
7088 generate all relevant functions from those definitions.
7089 (main): Handle define_constraint etc.
7090 * genoutput.c (struct constraint_data, indep_constraints)
7091 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7092 (mdep_constraint_len): New data structures and functions, defined
7093 #ifdef USE_MD_CONSTRAINTS.
7094 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7095 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7096 use new logic to validate operand constraints against constraint
7098 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7100 * defaults.h: If none of the old-style constraint macros are
7101 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7102 old-style macros; and poison REG_CLASS_FROM_LETTER,
7103 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7105 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7106 * doc/md.texi: Document new constraint-definition mechanism and the
7107 C interface it provides. Remove references to old mechanism
7108 elsewhere in the document.
7109 (Machine Constraints): Use pathnames relative to gcc directory,
7110 i.e. config/ARCH/FILE. Change i386 section to refer to
7111 config/i386/predicates.md; update that section to match docstrings.
7112 * doc/tm.texi: Move all documentation of the old constraint-
7113 definition macros to their own section, clearly mark as obsolete.
7115 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7116 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7118 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7119 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7120 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7122 (splits and peepholes): Use satisfies_constraint_*.
7123 * config/i386/i386.c (memory_address_length)
7124 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7126 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7128 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7129 scalar operation to be put back into the loop.
7131 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7134 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7135 (extract_cie_info): Handle S flag in augmentation string.
7136 (execute_cfa_program): If context->signal_frame, execute also
7137 fs->pc == context->ra instructions.
7138 (uw_frame_state_for): If context->signal_frame, don't subtract one
7139 from context->ra to find FDE.
7140 (uw_update_context_1): Set context->signal_frame to
7142 (_Unwind_GetIPInfo): New function.
7143 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7144 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7146 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7147 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7148 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7149 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7150 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7151 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7152 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7153 x86_64_fallback_frame_state): Set fs->signal_frame.
7154 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7155 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7156 (frob_update_context): Likewise. Workaround missing S flag in
7157 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7158 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7159 Remove the psw_addr + 1 hack.
7161 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7163 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7164 with aggregates here.
7165 (find_func_aliases): Remove code for &<aggregate> from here.
7167 2006-02-26 Roger Sayle <roger@eyesopen.com>
7169 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7170 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7171 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7174 2006-02-26 Roger Sayle <roger@eyesopen.com>
7177 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7179 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7181 * opts.c (decode_options): Do not handle flag_strength_reduce.
7182 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7183 and OPT_fstrength_reduce.
7184 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7185 flag_prefetch_loop_arrays for being nonzero.
7186 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7188 (fprefetch-loop-arrays-rtl): Removed.
7189 (flag_prefetch_loop_arrays): Do not specify the value.
7191 * doc/passes.texi: Update documentation of loop optimizer
7193 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7194 -frerun-loop-opt): Remove.
7196 2006-02-26 Richard Guenther <rguenther@suse.de>
7198 PR tree-optimization/26421
7199 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7200 in function calls that are ADDR_EXPRs as using the whole structure.
7202 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7204 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7205 * tree-pass.h (pass_loop_optimize): Remove.
7206 * passes.c (pass_loop_optimize): Never run it.
7207 * toplev.c (backend_init): Don't call init_loop.
7208 * opts.c (flag_loop_optimize_set): Remove.
7209 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7210 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7211 the old RTL loop optimizer when profiling enabled.
7212 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7213 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7214 pre-headers for the sake of the old RTL loop optimizer.
7215 * Makefile.in: Remove all references to loop.o.
7217 * doc/invoke.texi: Remove all references to -floop-optimize
7218 and -frerun-loop-opt.
7220 2006-02-26 Zack Weinberg <zackw@panix.com>
7222 * doc/md.texi (Machine Constraints): Refer to all files with paths
7223 relative to gcc directory (i.e. config/CPU/file). Add missing
7224 @table @code ... @end table to M32C subsection.
7226 2006-02-26 Roger Sayle <roger@eyesopen.com>
7228 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7230 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7232 2006-02-26 Roger Sayle <roger@eyesopen.com>
7233 James A. Morrison <phython@gcc.gnu.org>
7236 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7237 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7238 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7239 signedness of the shift operation.
7241 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7243 PR tree-optimization/26359
7244 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7246 2006-02-25 Roger Sayle <roger@eyesopen.com>
7248 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7249 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7250 as X == 0, and some symmetry related transformations.
7251 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7253 2006-02-25 Roger Sayle <roger@eyesopen.com>
7256 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7257 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7258 symmetry related transformations. Fold (X^C1) == C2 as
7261 2006-02-25 Juergen Weigert <jw@suse.de>
7262 Richard Guenther <rguenther@suse.de>
7264 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7266 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7268 * combine.c (gen_lowpart_or_truncate): Call
7269 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7271 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7273 * doc/invoke.texi: Move -fopenmp description to "Options for
7275 Remove reference to -lgomp.
7277 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7279 * doc/install.texi: Require GNU tar version 1.14.
7281 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7283 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7284 * doc/invoke.texi (C++ Dialect Options): Document
7285 -fno-use-cxa-get-exception-ptr.
7286 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7287 * configure: Regenerate.
7288 * c.opt (fuse-cxa-get-exception-ptr): New.
7289 * c-opts.c (c_common_handle_option): Handle
7290 OPT_fuse_cxa_get_exception_ptr.
7291 * c-common.c (flag_use_cxa_atexit): Update documentation.
7292 (flag_use_cxa_get_exception_ptr): New.
7293 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7294 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7296 (C_COMMON_OVERRIDE_OPTIONS): New.
7298 2006-02-24 Roger Sayle <roger@eyesopen.com>
7301 * combine.c (try_combine): Explicitly check whether GET_CODE is
7302 a SET or a CLOBBER, instead on checking that it isn't a USE.
7304 2006-02-24 Roger Sayle <roger@eyesopen.com>
7306 * fold-const.c (fold_comparison): New subroutine of fold_binary
7307 containing transformations common to both the equality and
7308 ordering relational operators, factored out of fold_binary.
7309 (fold_binary): Separate out the equality operators (EQ_EXPR
7310 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7311 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7312 transformations common to both.
7313 (fold_div_compare): Fix latent bugs in the previously unreachable
7314 LT_EXPR and GE_EXPR cases.
7316 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7318 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7319 decl libname for clog to __clog on AIX.
7321 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7323 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7326 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7327 output traceback table for thunks. Localise rs6000_stack_info call.
7329 2006-02-23 Roger Sayle <roger@eyesopen.com>
7330 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7332 * gthr-posix.h (__gthrw): Fix typo in comment.
7334 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7336 * doc/cpp.texi (Character sets): Document that we do support
7337 input files to be in any character set.
7339 2006-02-23 Jeff Law <law@redhat.com>
7341 * tree.h (PHI_ARG_NONZERO): Remove.
7342 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7343 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7344 node to the new node.
7346 PR tree-optimization/26425
7347 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7348 min/max, then assume its varying.
7350 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7352 PR rtl-optimization/26316
7353 * rtlanal.c (enum may_trap_p_flags): New.
7354 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7355 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7356 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7357 (may_trap_after_code_motion_p): New function.
7358 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7359 (find_invariant_insn): Use may_trap_after_code_motion_p.
7360 * rtl.h (may_trap_after_code_motion_p): Declare.
7362 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7364 * emit-rtl.c (immed_double_const): Cleanup.
7366 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7368 Fix PR tree-optimization/26376
7369 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7372 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7375 * gimplify.c (omp_add_variable): Guard variable size decl test with
7376 DECL_SIZE (decl) check.
7378 2006-02-23 Richard Guenther <rguenther@suse.de>
7381 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7382 like aggregate types.
7384 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7386 * configure.ac: Add --with{,out}-long-double-128 configure option.
7387 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7388 * configure: Rebuilt.
7389 * config.in: Rebuilt.
7390 * doc/install.texi (Options specification): Document
7391 --with-long-double-128.
7393 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7394 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7395 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7396 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7398 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7400 * config/s390/s390.c (override_options): Handle
7401 TARGET_DEFAULT_LONG_DOUBLE_128.
7403 * config/alpha/alpha.c (override_options): Handle
7404 TARGET_DEFAULT_LONG_DOUBLE_128.
7406 * config/sparc/sparc.c (sparc_override_options): Handle
7407 TARGET_DEFAULT_LONG_DOUBLE_128.
7409 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7411 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7412 (real-install-headers-tar, real-install-headers-cpio)
7413 (real-install-headers-cp): New targets.
7415 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7417 * tree.h (variable_section): Delete.
7418 * varasm.c (variable_section): Delete.
7420 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7422 * install.texi: Add notes on install.texi2html.
7423 (Building in parallel): Do not use footnotes.
7425 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7428 * doc/install.texi (Configuration): Document --disable-libgomp.
7430 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7432 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7434 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7436 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7437 (vec_extractv2df_0_sse): New.
7439 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7441 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7442 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7443 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7444 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7445 to the result of the expression.
7446 (def_cfa_1): Adjust.
7447 (frame_pointer_cfa_offset): Rename to...
7448 (frame_pointer_fb_offset): ... this. Adjust all uses.
7449 (convert_cfa_to_loc_list): Rename to...
7450 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7451 Pass it on to build_cfa_loc.
7452 (compute_frame_pointer_to_cfa_displacement): Rename to...
7453 (compute_frame_pointer_to_fb_displacement): ... this. New
7454 offset parameter. Use it in computation.
7455 (gen_subprogram_die): Compute cfa_fb_offset with the new
7456 macro, and use it to compute the fb loc list and the
7459 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7461 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7462 replaced with register_operand.
7463 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7464 non-DREG is expensive.
7465 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7466 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7469 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7471 * doc/install.texi2html: Use set -e.
7473 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7475 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7476 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7477 * doc/invoke.texi (-fshared-data): Delete.
7478 * common.opt (fshared-data): Delete.
7479 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7480 (assemble_static_space): Remove #if 0 code.
7481 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7482 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7483 * config/cris/cris.h: Remove FIXME.
7485 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7487 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7490 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7493 * combine.c (simplify_shift_const_1): Disable nested shifts
7494 optimization for vector shifts.
7496 2006-02-20 Roger Sayle <roger@eyesopen.com>
7498 PR tree-optimization/26361
7499 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7500 of unsigned integer types.
7502 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7504 * tree-chrec.c (eq_evolutions_p): New.
7505 * tree-chrec.h (eq_evolutions_p): Declared.
7506 * tree-data-ref.c: Fix formatting.
7507 (datadep_stats, dependence_stats): New.
7509 (print_direction_vector): New.
7510 (dump_data_dependence_relation): Use print_direction_vector.
7511 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7512 (compute_subscript_distance): Static.
7513 (initialize_data_dependence_relation): Static. Get the number
7514 of loops surrounding the references from the callers, and initialize
7515 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7516 base_object_differ_p analyzers.
7517 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7518 compute_overlap_steps_for_affine_1_2,
7519 analyze_subscript_affine_affine): Count the classified dependences.
7520 Print a message when a test failed.
7521 (can_use_analyze_subscript_affine_affine): New.
7522 (analyze_siv_subscript): Compute the data dependences on symbolic
7523 scevs that verify can_use_analyze_subscript_affine_affine.
7524 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7525 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7526 Handle symbolic scevs.
7527 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7529 (subscript_dependence_tester): Moved...
7530 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7531 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7532 DDR_SIZE_VECT instead of getting it in parameter.
7533 (subscript_dependence_tester): ... here. Take as a parameter
7534 loop_nest_depth. Call build_classic_dist_vector and
7535 build_classic_dir_vector.
7536 (compute_affine_dependence): Update subscript_dependence_tester
7537 parameters. Update datadep_stats counters. Call
7538 compute_subscript_distance.
7539 (compute_self_dependence): Save the dist and dir vectors. Call
7540 compute_subscript_distance.
7541 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7542 (compute_all_dependences): Reorder parameters as they were before
7543 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7544 compute_subscript_distance. Update the use of
7545 compute_affine_dependence and initialize_data_dependence_relation.
7546 (find_data_references_in_loop): Handle COMPONENT_REF.
7547 (compute_data_dependences_for_loop): Initialize dependence_stats.
7548 Don't call build_classic_dist_vector and build_classic_dir_vector.
7549 Update the parameters of initialize_data_dependence_relation and
7550 compute_all_dependences. Print the statistics from datadep_stats.
7551 (analyze_all_data_dependences): Static. Not used until the pass for
7552 checking the data dependences is contributed.
7553 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7554 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7555 (initialize_data_dependence_relation, compute_affine_dependence,
7556 analyze_all_data_dependences, compute_subscript_distance): Removed.
7557 (print_direction_vector): New.
7558 * lambda.h (gcd): ... here.
7559 (lambda_vector_gcd): Moved here from gcd_vector.
7560 * lambda-code.c (gcd, gcd_vector): Removed.
7561 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7562 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7564 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7566 * ipa-type-escape.c: Tidy some comments and white space.
7567 * tree-ssa-operands.c: Likewise.
7569 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7572 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7573 (dump_decl_name): Do not walk the decl tree chains.
7574 * tree-pass.h (TDF_CHAIN): Remove.
7576 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7578 * Makefile.in (C): Remove
7580 (.PHONY): Remove C and PROTO
7582 2006-02-20 Roger Sayle <roger@eyesopen.com>
7585 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7586 deprecated CHAR_TYPE tree code.
7588 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7590 * configure.ac (target_list): Add install-info, dvi, html.
7591 * configure: Regenerate.
7593 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7594 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7595 treelang/Make-lang.in: Do not use double-colon rules.
7597 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7599 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7600 (TMT_USED_ALONE): New macro.
7601 * tree-pass.h (PROP_tmt_usage): New property.
7602 (TODO_update_tmt_usage): New todo.
7603 * tree-ssa-alias.c (updating_used_alone): New variable.
7604 (recalculate_used_alone): New function.
7605 (compute_may_aliases): Set updating_used_alone, call
7606 recalculate_used_alone.
7607 * tree-sra.c (pass_sra): Note that this pass destroys
7608 PROP_tmt_usage, and add TODO_update_tmt_usage.
7609 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7610 * tree-flow.h (updating_used_alone): Prototype.
7611 (recalculate_used_alone): Ditto.
7612 * passes.c (execute_todo): Add code to set updating_used_alone,
7613 and call recalculate.
7614 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7615 for clobber if used alone, and add assert to verify used_alone
7618 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7620 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7621 for non tls symbols added.
7622 (legitimize_address): Do nothing for PLUS expressions if one of the
7623 addends is a tls symbol reference.
7625 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7629 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7631 * Makefile.in (BOOTSTRAPPING): New.
7632 (quickstrap): New definition if BOOTSTRAPPING=yes.
7634 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7635 * configure.ac: Substitute all_selected_languages with the languages
7636 that were configured. For all the other variables except
7637 lang_specs_files, include all the languages in the tree.
7638 * configure: Regenerate.
7640 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7641 if there is one. Run the commands to run fixincludes in the same
7644 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7645 * doc/install.texi: Document exact conventions for searching target tools.
7646 Document --with-build-time-tools. Document toplevel bootstrap. Document
7647 something more about building an Ada cross-compiler. Don't list GNU Make
7648 requirements which affect all platforms.
7650 2006-02-19 Roger Sayle <roger@eyesopen.com>
7653 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7654 only equivalent if the have both the same mode and precision.
7656 2006-02-20 Ben Elliston <bje@au.ibm.com>
7658 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7660 2006-02-19 Roger Sayle <roger@eyesopen.com>
7661 Steven Bosscher <stevenb.gcc@gmail.com>
7663 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7664 constant pool references to identify stack mode constants.
7665 * rtlanal.c (constant_pool_constant_p): New predicate to check
7666 whether operand is a floating point constant in the pool.
7667 * rtl.h (constant_pool_constant_p): Prototype here.
7668 * loop.c (scan_loop): Avoid hoisting constants from the constant
7669 pool on STACK_REGS targets.
7670 (load_mems): Likewise.
7671 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7672 loads into x87 registers expensive in terms of register pressure.
7674 2006-02-19 Roger Sayle <roger@eyesopen.com>
7676 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7677 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7679 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7681 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7682 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7684 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7686 * doc/invoke.texi: Document -fipa-pta.
7687 * common.opt: Add ipa-pta option.
7688 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7689 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7690 (do_ds_constraint): Ditto.
7691 (get_constraint_for): Only add to referenced_vars if
7692 referenced_vars exists.
7693 (insert_into_field_list): Rewrite to do this unsorted.
7694 (insert_into_field_list_sorted): Rename old insert_into_field_list
7696 (create_function_info_for): Use insert_into_field_list_sorted.
7697 (create_variable_info_for): Rewrite so it uses unsorted version,
7698 since the field list is sorted.
7699 (intra_create_variable_infos): Only add to referenced_vars if
7700 referenced_vars exists.
7701 (ipa_pta_execute): Init heapvars, and delete when done.
7702 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7704 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7706 * doc/install.texi: Add missing `@samp'.
7708 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7710 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7713 2006-02-18 Mark Wielaard <mark@klomp.org>
7715 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7716 who added new 4.1 features, bug fixes and integration support.
7718 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7721 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7724 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7726 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7727 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7728 (copy_insn_1): Likewise. Don't copy each field individually.
7730 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7732 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7733 * rtl.c (rtx_size): Rename variable to...
7734 (rtx_code_size): ...this.
7735 (rtx_size): New function.
7736 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7737 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7739 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7740 * rtl.h (rtx_code_size): New variable.
7741 (rtx_size): Change from a variable to a function.
7742 (RTX_SIZE): Rename to...
7743 (RTX_CODE_SIZE): ...this.
7746 PR tree-optimization/17106
7747 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7748 (Anchored Addresses): New section.
7749 * doc/invoke.texi (-fsection-anchors): Document.
7750 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7751 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7752 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7753 * hooks.c (hook_bool_mode_rtx_false): New function.
7754 * hooks.h (hook_bool_mode_rtx_false): Declare.
7755 * gengtype.c (create_optional_field): New function.
7756 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7757 SYMBOL_REF_IN_BLOCK_P is true.
7758 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7759 (min_anchor_offset, max_anchor_offset): Likewise.
7760 (use_anchors_for_symbol_p): New hook.
7761 * toplev.c (compile_file): Call output_object_blocks.
7762 (target_supports_section_anchors_p): New function.
7763 (process_options): Check that -fsection-anchors is only used on
7764 targets that support it and when -funit-at-a-time is in effect.
7765 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7766 if the decl doesn't have one.
7767 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7768 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7769 of force_const_mem through use_anchored_address.
7770 (expand_expr_constant): New function.
7771 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7772 calling expand_expr for INDIRECT_REF.
7773 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7774 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7775 * expr.h (use_anchored_address): Declare.
7776 * loop-unroll.c: Don't declare rtx vectors here.
7777 * explow.c: Include output.h.
7778 (validize_mem): Call use_anchored_address.
7779 (use_anchored_address): New function.
7780 * common.opt (-fsection-anchors): New switch.
7781 * varasm.c (object_block_htab, anchor_labelno): New variables.
7782 (hash_section, object_block_entry_eq, object_block_entry_hash)
7783 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7784 (use_blocks_for_decl_p, change_symbol_section): New functions.
7785 (get_variable_section): New function, split out from assemble_variable.
7786 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7787 use_blocks_for_decl_p say so. Use change_symbol_section if the
7788 symbol has already been created.
7789 (assemble_variable_contents): New function, split out from...
7790 (assemble_variable): ...here. Don't output any code for
7791 block symbols; just pass them to place_block_symbol.
7792 Use get_variable_section and assemble_variable_contents.
7793 (get_constant_alignment, get_constant_section, get_constant_size): New
7794 functions, split from output_constant_def_contents.
7795 (build_constant_desc): Create a block symbol if use_object_blocks_p
7796 says so. Or into SYMBOL_REF_FLAGS.
7797 (assemble_constant_contents): New function, split from...
7798 (output_constant_def_contents): ...here. Don't output any code
7799 for block symbols; just pass them to place_section_symbol.
7800 Use get_constant_section and get_constant_alignment.
7801 (force_const_mem): Create a block symbol if use_object_blocks_p and
7802 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7803 (output_constant_pool_1): Add an explicit alignment argument.
7804 Don't switch sections here.
7805 (output_constant_pool): Adjust call to output_constant_pool_1.
7806 Switch sections here instead. Don't output anything for block symbols;
7807 just pass them to place_block_symbol.
7808 (init_varasm_once): Initialize object_block_htab.
7809 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7810 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7811 (place_block_symbol, get_section_anchor, output_object_block)
7812 (output_object_block_htab, output_object_blocks): New functions.
7813 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7814 (TARGET_ASM_OUT): Include it.
7815 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7816 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7817 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7818 (TARGET_INITIALIZER): Include them.
7819 * rtl.c (rtl_check_failed_block_symbol): New function.
7820 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7821 (block_symbol, object_block): New structures.
7822 (rtx_def): Add a block_symbol field to the union.
7823 (BLOCK_SYMBOL_CHECK): New macro.
7824 (rtl_check_failed_block_symbol): Declare.
7825 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7826 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7827 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7828 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7829 * output.h (output_section_symbols): Declare.
7830 (object_block): Name structure.
7831 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7832 (default_use_anchors_for_symbol_p): Declare.
7833 * Makefile.in (RTL_BASE_H): Add vec.h.
7834 (explow.o): Depend on output.h.
7835 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7836 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7837 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7838 (rs6000_use_blocks_for_constant_p): New function.
7840 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7842 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7844 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7847 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7850 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7852 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7856 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7859 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7860 instead of DECL_REGISTER.
7862 2006-02-18 Olivier Hainque <hainque@adacore.com>
7865 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7867 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7870 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7871 * opth-gen.awk: Handle Var and InverseMask together.
7872 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7873 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7874 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7875 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7877 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7878 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7879 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7880 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7881 LINUX_DYNAMIC_LINKER): Define.
7882 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7883 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7885 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7886 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7887 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7889 (TARGET_C99_FUNCTIONS): Don't define.
7890 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7891 GLIBC_DYNAMIC_LINKER.
7892 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7893 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7894 GLIBC_DYNAMIC_LINKER64): Define.
7895 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7896 LINUX_DYNAMIC_LINKER64.
7897 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7899 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7900 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7901 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7902 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7903 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7904 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7905 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7907 and LINUX_DYNAMIC_LINKER32.
7908 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7910 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7912 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7914 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7915 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7916 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7917 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7918 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7919 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7920 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7921 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7922 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7923 LINUX_DYNAMIC_LINKER): Define.
7924 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7925 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7926 GLIBC_DYNAMIC_LINKER64): Define.
7927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7928 LINUX_DYNAMIC_LINKER64.
7929 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7930 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7931 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7933 LINUX_DYNAMIC_LINKER): Define.
7934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7935 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7936 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7937 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7938 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7939 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7940 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7941 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7942 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7943 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7945 * doc/invoke.texi (-muclibc): Remove caveat about supported
7948 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7950 * doc/cpp.texi (__TIMESTAMP__): Document.
7952 2006-02-17 Roger Sayle <roger@eyesopen.com>
7955 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7956 C is one less than the width of X (and related transformations).
7957 * simplify-rtx.c (simplify_unary_operation_1): Transform
7958 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7959 depending on STORE_FLAG_VALUE, were C is one less then the
7962 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7964 Fix PR tree-optimization/26341
7965 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7966 about NAME_MEMORY_TAG's.
7968 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7971 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7972 with hardware float support, and software float support. Add fcpy
7973 alternative to hardware patterns. Add alternatives to copy between
7974 general and floating-point registers to the 32-bit pattern.
7975 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7976 secondary reload to load a QI or HI mode constant into a floating
7978 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7979 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7981 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7984 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7986 (load_macho_picbase_di): Likewise.
7988 2006-02-16 Jeff Law <law@redhat.com>
7990 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7991 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7992 (ssa_name_nonzero_p): Likewise.
7993 (get_value_range): Return NULL if VRP is not running.
7994 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7995 VRP routines do not discover a range.
7996 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7997 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7998 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7999 (tree_expr_nonnegative_p): Similarly.
8000 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8001 (restore_nonzero_vars_to_original_value): Remove.
8002 (unsafe_associative_fp_binop): Remove.
8003 (tree_ssa_dominator_optimize): Remove initialization and
8004 finalization of nonzero_vars and nonzero_vars_stack.
8005 (dom_opt_initialize_block): No longer push marker on
8007 (dom_opt_finalize_block): No longer call
8008 restore_nonzero_vars_to_original_value.
8009 (record_equivalences_from_phis): No longer look for
8010 nonzero PHI arguments.
8011 (cprop_into_successor_phis): No longer propagate nonzero
8012 property into PHI arguments. Lose unused argument. Caller
8014 (record_equivalences_from_stmt): No longer record nonzero
8015 values for SSA_NAMEs.
8016 (lookup_avail_expr): No longer use nonzero_vars.
8018 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8019 for sizetype when sizetype is unsigned.
8021 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8023 PR rtl-optimization/25603
8024 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8025 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8026 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8027 with new meaning of SETS.
8029 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8034 * config/linux.opt: New file.
8035 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8036 LINUX_DYNAMIC_LINKER): Define.
8037 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8038 * config.gcc (*-*-linux*): Define extra_options.
8039 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8040 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8041 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8042 GLIBC_DYNAMIC_LINKER.
8043 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8044 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8045 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8047 * doc/invoke.texi (GNU/Linux Options): New section.
8049 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8051 * config/sparc/sparc.md (setjmp): Rewrite.
8052 (setjmp_32): Delete.
8053 (setjmp_64): Likewise.
8055 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8057 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8060 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8062 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8065 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8067 PR rtl-optimization/26296
8068 * Makefile.in (loop-invariant.c): Add except.h dependency.
8069 * loop-invariant.c: Include except.h.
8070 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8072 2005-02-16 Paul Brook <paul@codesourcery.com>
8074 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8077 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8079 PR rtl-optimization/25636
8080 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8081 when deciding whether an insn is an initializing insn.
8083 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8085 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8086 (tree_code_size): Ditto.
8087 * tree.h (struct tree_memory_tag): Remove parent_var.
8088 (struct tree_struct_field_tag): New.
8091 (union tree_node): Add sft member.
8092 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8094 (create_sft): Add size and offset argument, set SFT_OFFSET and
8096 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8097 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8098 * tree-flow-inline.h (get_subvar_at): Update for
8099 SFT_OFFSET/SFT_SIZE.
8100 (var_can_have_subvars): Ditto.
8101 (overlap_subvar): Ditto.
8102 * print-tree.c (print_node): Print out interesting things for
8104 * tree-flow.h (struct subvar): Remove offset and size members.
8105 * tree-ssa-operands.c (get_expr_operands): Update for
8106 get_indirect_ref_operands changes.
8107 (get_indirect_ref_operands): Call add_virtual_operand instead of
8108 add_stmt_operand. Only recurse on base var if requested.
8109 (access_can_touch_variable): New function.
8110 (add_stmt_operand): Split virtual operand handling into ...
8111 (add_virtual_operand): Here. Add offset, size, and for_clobber
8112 arguments. Prune alias sets.
8113 (add_call_clobber_ops): Call add_virtual_operand.
8115 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8118 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8120 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8121 than TREE_CODE as index into omp_clause_num_ops array.
8123 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8125 PR rtl-optimization/26184
8126 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8128 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8129 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8130 must_precede, must_follow and tobe_scheduled.
8133 * opts.c (common_handle_option): Free new_option pointer.
8134 * df-core.c (df_analyze): Free postorder pointer.
8136 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8138 * Makefile.in: Fix the examples about the use of stamps
8140 2006-02-15 Michael Matz <matz@suse.de>
8144 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8145 influenced by maximum_field_alignment or DECL_PACKED.
8146 (update_alignment_for_field): Ditto.
8147 (place_field): Ditto.
8148 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8151 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8153 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8154 (debug_flow_info): Pass it.
8155 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8156 * bb-reorder.c (reorder_basic_blocks): Likewise.
8157 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8158 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8159 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8160 * gcse.c (gcse_main, bypass_jumps): Likewise.
8161 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8162 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8163 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8164 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8165 * rtl.h (dump_flow_info): Adjust prototype.
8166 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8167 * var-tracking.c (variable_tracking_main): Likewise.
8168 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8169 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8172 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8174 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8177 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8179 PR tree-optimization/26209
8180 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8181 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8183 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8185 2006-02-14 Roger Sayle <roger@eyesopen.com>
8188 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8189 (X,Y) and the corresponding symmetry related transformations.
8190 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8191 (X,Y) and its symmetry related transformations.
8193 2006-02-14 Roger Sayle <roger@eyesopen.com>
8195 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8198 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8200 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8202 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8205 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8206 support COMDAT group.
8207 * configure: Regenerate.
8209 2006-02-14 Roger Sayle <roger@eyesopen.com>
8214 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8216 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8218 Fix PR tree-optimization/26260
8220 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8222 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8223 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8224 * tree-ssa-structalias.c (create_variable_info_for): Use
8225 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8227 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8229 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8231 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8232 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8233 of the ending condition.
8234 * tree-ssa-loop-manip.c: Include params.h.
8235 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8236 tree_unroll_loop): New functions.
8237 * tree-pass.h (pass_loop_prefetch): Declare.
8238 * loop.c (rest_of_handle_loop_optimize): Test for
8239 -fprefetch-loop-arrays-rtl.
8240 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8241 * timevar.def (TV_TREE_PREFETCH): New timevar.
8242 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8243 pass_loop_prefetch): New.
8244 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8245 (cleanup_tree_cfg_loop): Call scev_reset.
8246 * common.opt (fprefetch-loop-arrays-rtl): Add.
8247 * tree-ssa-loop-prefetch.c: New file.
8248 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8249 (new_temp_expr_table): Initialize expr_vars.
8250 (free_temp_expr_table): Cleanup expr_vars.
8251 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8252 expressions from being merged into one.
8253 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8254 (struct tree_niter_desc): Add control, bound and cmp fields.
8255 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8257 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8258 (tree-cfgcleanup.o): Add SCEV_H dependency.
8259 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8260 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8262 2006-02-14 Richard Guenther <rguenther@suse.de>
8264 PR tree-optimization/26258
8265 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8266 in PHI argument processing.
8268 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8270 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8271 new expression in the requested machine mode.
8273 2006-02-13 Roger Sayle <roger@eyesopen.com>
8275 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8276 directly, instead let do_compare_rtx_and_jump handle this for us.
8277 * expr.c (expand_expr_real_1): Likewise.
8278 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8279 before do_jump_by_parts_greater.
8280 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8281 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8283 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8285 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8287 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8289 PR rtl-optimization/26235
8290 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8291 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8294 2006-02-13 Jeff Law <law@redhat.com>
8296 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8299 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8302 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8303 twice if decl is a builtin. When trying again, call get_callee_fndecl
8304 first to verify it is still a builtin.
8306 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8308 * dwarf2out.c (base_type_die): Don't add AT_name here.
8309 (subrange_type_die): Don't add AT_name here.
8310 (modified_type_die): Rearrange code flow. Do add AT_name here.
8312 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8314 PR rtl-optimization/26247
8315 PR rtl-optimization/26248
8316 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8318 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8320 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8321 * config/fixtfdi.c: Likewise.
8322 * config/fixunstfdi.c: Likewise.
8323 * config/floatditf.c: Likewise.
8325 2006-02-13 Roger Sayle <roger@eyesopen.com>
8328 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8329 into (X,C2) if C1 is a subset of the bits of C2. Transform
8330 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8332 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8334 2006-02-13 Josh Conner <jconner@apple.com>
8337 * varasm.c (function_section): Check for section name before
8338 calling select_section on targets that define
8339 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8340 unlikely_text_section instead of hot_function_section if
8341 first_function_block_is_cold.
8343 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8346 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8348 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8350 PR rtl-optimization/26222
8351 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8352 after tree->rtl expansion.
8353 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8354 before passing it to emit_move_insn.
8356 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8358 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8360 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8361 Clarify documentation.
8362 * c-common.h (warn_write_strings): Remove.
8363 * c-common.c (warn_write_strings): Likewise.
8364 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8367 2006-02-12 Roger Sayle <roger@eyesopen.com>
8370 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8371 (do_jump_parts_zero_rtx): New function renamed from
8372 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8373 (do_jump_parts_equality_rtx): New function split out from
8374 do_jump_parts_equality. Old implementation renamed as above.
8375 Call do_jump_parts_zero_rtx if either operand is zero.
8376 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8377 do all of the heavy lifting.
8378 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8379 calling either do_jump_by_parts_greater_rtx or
8380 do_jump_by_parts_equality_rtx.
8381 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8382 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8383 moved to do_compare_rtx_and_jump, call it directly.
8384 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8385 mode argument. Call do_compare_rtx_and_jump.
8386 (emit_case_nodes): Update calls to do_jump_if_equal.
8388 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8390 PR rtl-optimization/26225
8391 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8393 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8395 PR rtl-optimization/26232
8396 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8398 2006-02-11 Jason Merrill <jason@redhat.com>
8401 * tree-inline.c (declare_return_variable): Just don't use the
8402 modify target if it's a gimple complex reg and the return slot
8405 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8407 * doc/contrib.texi: Update my entry.
8409 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8411 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8413 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8415 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8418 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8420 * doc/invoke.texi (-floop-optimize2): Removed.
8421 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8422 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8423 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8424 * common.opt (floop-optimize2): Removed.
8425 (fmove-loop-invariants): Enabled by default.
8427 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8429 * tree-if-conv.c (combine_blocks): Free the result of
8430 get_loop_exit_edges.
8432 2006-02-10 Jeff Law <law@redhat.com>
8434 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8436 PR tree-optimization/26213
8437 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8438 loop trying to follow SSA_NAME_VALUE chains.
8440 2006-02-10 Richard Guenther <rguenther@suse.de>
8442 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8443 deal with structures that end in implicitly variable sized arrays.
8445 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8447 PR rtl-optimization/24762
8448 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8451 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8453 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8454 (struct ivopts_data): Add regs_used field.
8455 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8456 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8457 instead of loop_data->regs_used;
8458 (free_loop_data): Do not free aux fields for loops.
8459 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8460 and tree_ssa_iv_optimize_finalize.
8462 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8464 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8466 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8469 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8470 computing the effective result type.
8472 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8475 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8476 (tree_overlaps_hard_reg_set): Declare.
8477 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8478 type and signature to match function type expected by walk_tree.
8479 (tree_overlaps_hard_reg_set): New function.
8480 (decl_conflicts_with_clobbers_p): Rename to:
8481 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8482 Use tree_overlaps_hard_reg_set. Changed caller.
8483 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8484 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8485 * cris.c (cris_md_asm_clobbers): Likewise.
8487 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8489 * reload1.c (emit_input_reload_insns): Delete code that tries to
8490 inherit using find_equiv_reg.
8492 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8494 * c-common.h (flag_const_strings): Don't declare.
8495 * c-common.c (flag_const_strings): Remove.
8496 * c.opt (fconst_strings): Remove.
8497 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8498 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8499 (c_common_init_options): Don't set flag_const_strings.
8500 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8502 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8504 * arm.md (tlobits_cbranch): New pattern.
8505 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8506 testing a single bit.
8508 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8511 * tree-ssa-pre.c (create_component_ref_by_pieces):
8512 Handle RETURN_DECL like VAR_DECL.
8514 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8517 * fold-const.c (fold_indirect_ref_1): Fold
8518 "*(foo *)&complexfoo" to "__real__ complexfoo"
8519 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8521 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8523 * tree-flow-inline.h (var_can_have_subvars):
8524 Volatile variables should not have subvariables.
8526 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8529 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8530 multiplying unsigned values.
8533 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8535 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8537 2006-02-08 Jason Merrill <jason@redhat.com>
8540 * tree.def: Elaborate on difference from MODIFY_EXPR.
8541 * doc/c-tree.texi (INIT_EXPR): Likewise.
8542 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8543 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8544 (gimplify_target_expr): Likewise.
8545 (gimplify_cond_expr): Remove target handling.
8546 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8547 (gimplify_expr): Clobber it here.
8548 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8549 Do return slot optimization if we have an INIT_EXPR.
8552 * tree-inline.c (declare_return_variable): Also clear
8553 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8556 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8559 * gimplify.c (gimplify_one_sizepos): Fix typo.
8561 2006-02-08 Jeff Law <law@redhat.com>
8563 PR tree-optimization/21417
8564 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8565 across a backedge if the control statement at the end of the
8566 block is data dependent on other statements in the same block.
8567 (record_temporary_equivalences_from_stmts): Remove over-conservative
8568 test for threading across backedges.
8570 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8571 control statement, handle all three special cases in the same
8572 manner as they all have the same desired solution. No longer
8573 special case edge flag updating when the post dominator is
8576 2006-02-08 Roger Sayle <roger@eyesopen.com>
8578 * tree.def (CHAR_TYPE): Remove.
8579 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8580 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8581 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8582 (gen_string_type_die): Delete unreachable function.
8584 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8585 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8586 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8587 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8588 * builtins.c (type_to_class): Likewise.
8589 * fold-const.c (fold_convert, build_range_check,
8590 merge_ranges): Likewise.
8591 * expr.c (count_type_elements): Likewise.
8592 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8593 * stor-layout.c (layout_type): Likewise.
8594 * ipa-type-escape.c (type_to_consider): Likewise.
8595 * gimplify.c (omp_firstprivatize_type_sizes,
8596 gimplify_type_sizes): Likewise.
8597 * explow.c (promote_mode): Likewise.
8598 * tree-sra.c (is_sra_scalar_type): Likewise.
8599 * varasm.c (output_constant): Likewise.
8600 * tree-inline.c (remap_type_1): Likewise.
8601 * convert.c (convert_to_pointer, convert_to_real,
8602 convert_to_integer, convert_to_complex): Likewise.
8604 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8606 * df-scan.c (df_def_record_1): A set destination may
8607 be a parallel regardless of mode.
8609 2006-02-08 Roger Sayle <roger@eyesopen.com>
8612 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8613 * config/mips/_tilib.c: Remove.
8614 * config/fixtfdi.c: New libgcc source file.
8615 * config/fixunstfdi.c: New source file.
8616 * config/floatditf.c: New source file.
8617 * config/floatunditf.c: New souce file.
8618 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8619 files above instead of config/mips/_tilib.c.
8620 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8622 2006-02-08 Jeff Law <law@redhat.com>
8624 PR tree-optimization/26169
8625 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8628 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8630 * df.h (DF_REG_SIZE): Return the length of the initialized
8633 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8635 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8636 __muldf3): Return a correctly signed zero.
8638 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8640 * passes.c (register_one_dump_file): Accept the current properties
8641 instead of pass number. Adjust call to dump_register. Remove
8643 (register_dump_files): Now a wrapper around...
8644 (register_dump_files_1): ... this one. Do not modify the pass
8646 (next_pass_1): Cosmetic fix.
8647 (execute_todo): Keep second parameter only. Use curr_properties
8648 instead of fetching it from the pass structure. Check and set
8650 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8651 instead of fetching it from the pass structure. Fix calls to
8652 execute_todo. Update curr_properties and initialize .vcg RTL dump
8653 after running the pass. Reset last_verified.
8654 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8656 (FIRST_AUTO_NUMBERED_DUMP): New.
8657 (dump_register): Remove "num" parameter, assign it within the
8659 (get_dump_file_name): Modify template for dumps.
8660 * tree-dump.h (dump_register): Adjust prototype.
8661 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8662 (PROP_trees): Add PROP_gimple_lomp.
8663 (TODO_set_props): New.
8664 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8665 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8666 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8668 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8670 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8671 (sparc64-*-linux*): Likewise.
8672 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8673 * config/sparc/t-linux: New file.
8674 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8675 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8676 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8677 -m32 -mlong-double-128.
8679 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8680 * config/alpha/t-linux: New file.
8681 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8683 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8684 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8685 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8686 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8687 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8688 (CPP_ARCH32_SPEC): Remove.
8690 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8692 PR tree-optimization/26145
8693 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8696 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8699 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8700 >= 240000 when generating code for SOM runtime.
8701 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8702 to $$dyncall when generating code for SOM runtime..
8704 2006-02-07 Dirk Mueller <dmueller@suse.com>
8707 * doc/invoke.texi (-Wsequence-point): Update documentation
8708 that -Wsequence-point is implemented for C++ as well.
8710 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8712 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8713 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8714 (LIB_SPEC): Likewise.
8715 * doc/invoke.texi (SPARC options): Document -pthread.
8717 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8719 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8722 2006-02-07 Roger Sayle <roger@eyesopen.com>
8724 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8725 Correct comment describing BOOLEAN_TYPE.
8727 2006-02-07 Dirk Mueller <dmueller@suse.com>
8729 * c.opt: C++ frontend supports -Wdiv-by-zero.
8730 * c-opts.c (c_common_handle_option): Remove dead case.
8732 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8734 * configure.ac (TLS assembler check): Do not enable TLS by
8735 default on SPARC/Solaris before version 10.
8736 * configure: Regenerate.
8738 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8740 * doc/invoke.texi (xl-compat): Document conversion and support
8743 2006-02-07 Jeff Law <law@redhat.com>
8745 * tree-vrp.c (find_conditional_asserts): Update comments.
8746 (simplify_stmt_for_jump_threading): New.
8747 (identify_jump_threads, finalize_jump_threads): New.
8748 (vrp_finalize): Call identify_jump_threads.
8749 (execute_vrp): Call finalize_jump_threads.
8750 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8751 (vrp_element, vrp_data, vrp_element_p): Remove.
8752 (vrp_hash_elt, vrp_variables_stack): Remove.
8753 (vrp_hash, vrp_eq, record_range): Remove.
8754 (simplify_cond_and_lookup_avail_expr): Remove.
8755 (extract_range_from_cond): Remove.
8756 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8757 (simplify_stmt_for_jump_threading): New.
8758 (dom_thread_across_edge): New wrapper.
8759 (tree_ssa_dominator_optimize): No longer initialize or
8760 finalize any of the VRP datastructures. Remove iteration
8761 step and simplify as a result of removal of iteration step.
8762 (pass_dominator): Perform a cfg cleanup after DOM.
8763 (dom_opt_finalize_block): Use the new common routines
8764 for threading jumps. Simplify stack management slightly.
8765 No longer need to unwind VRP state.
8766 (record_equivalences_from_incoming_edge): No longer record
8768 (eliminate_redundant_computations): No longer call
8769 simplify_cond_and_lookup_avail_expr.
8770 * tree-flow.h (potentially_threadable_block): Prototype.
8771 (thread_across_edge): Likewise.
8772 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8773 (tree-ssa-threadedge.o): Add dependencies.
8774 * tree-ssa-threadedge.c: New file.
8775 * passes.c (init_optimization_passes): Merge PHIs before
8776 calling VRP. Run VRP again late in the SSA optimization pipeline.
8778 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8780 * df-core.c (df_set_blocks): Do not dereference function pointers.
8781 (df_finish1): Likewise.
8782 (df_hybrid_search_forward): Likewise.
8783 (df_hybrid_search_backward): Likewise.
8784 (df_iterative_dataflow): Likewise.
8785 (df_analyze_problem): Likewise.
8786 (df_compact_blocks): Likewise.
8787 (df_dump): Likewise.
8788 * df-scan.c (df_rescan_blocks): Likewise.
8789 (df_record_entry_block_defs): Likewise.
8791 * genconditions.c (write_conditions): Guard the definition of
8792 'insn_conditions' with the check on GCC version.
8793 (write_writer): Guard the traversal 'insn_conditions' with
8794 the check on GCC version.
8796 2006-02-07 Richard Guenther <rguenther@suse.de>
8800 2006-01-30 Richard Guenther <rguenther@suse.de>
8802 * gimplify.c (gimplify_target_expr): Handle easy cases
8803 without creating a temporary.
8805 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8807 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8808 use of float in probability computations. Use edge probabilities
8809 in place of statically computed probabilities.
8810 (min_spec_prob): New static variable.
8811 (schedule_insns): Initialize it.
8812 (GET_SRC_PROB): Removed.
8813 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8815 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8818 * config/ia64/unwind-ia64.c: Revert last change.
8819 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8820 (INCOMING_FRAME_SP_OFFSET): Define.
8822 2006-02-06 Roger Sayle <roger@eyesopen.com>
8824 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8826 2006-02-07 Ben Elliston <bje@au.ibm.com>
8828 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8829 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8830 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8831 (ix86_return_in_memory): Handle TDmode.
8832 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8833 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8835 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8837 * reorg.c (dbr_schedule): Use dump_file instead of file.
8839 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8842 * config/ia64/predicates.md (extr_len_operand): New predicate.
8843 * config/ia64/ia64.md (extv): Tighten constraints.
8845 (*tbit_and_2): Ditto.
8846 (*tbit_and_3): Ditto.
8847 (*tbit_or_2): Ditto.
8848 (*tbit_or_3): Ditto.
8852 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8855 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8857 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8859 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8860 loop_optimizer_init and loop_optimizer_finalize
8861 * tree-ssa-sink.c (execute_sink_code): Ditto.
8862 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8863 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8864 tree_ssa_loop_done): Ditto.
8865 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8866 * sched-ebb.c: Include output.h.
8867 (schedule_ebbs): Do not use dump argument.
8868 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8869 * loop.c (loop_dump_stream): Removed.
8870 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8872 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8873 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8874 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8875 loop_iterations, strength_reduce, record_biv, record_giv,
8876 final_giv_value, check_final_value, check_ext_dependent_givs,
8877 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8878 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8879 dump_file instead of loop_dump_stream.
8880 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8882 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8884 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8885 * haifa-sched.c: Include output.h
8886 (schedule_insns, sched_init): Do not use dump argument.
8887 * mode-switching.c (optimize_mode_switching): Ditto.
8888 * modulo-sched.c (stats_file): Removed.
8889 (print_node_sched_params): Do not call argument dump_file.
8890 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8891 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8893 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8895 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8896 rtl_loop_init, rtl_loop_done): Ditto.
8897 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8898 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8900 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8901 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8902 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8903 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8904 * emit-rtl.c (renumber_insns): Ditto.
8905 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8906 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8907 * regclass.c (regclass): Ditto.
8908 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8909 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8910 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8911 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8913 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8914 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8916 * gcse.c (gcse_file, debug_stderr): Removed.
8917 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8918 rest_of_handle_gcse): Do not use dump argument.
8919 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8920 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8921 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8922 compute_code_hoist_vbeinout, compute_code_hoist_data,
8923 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8924 compute_store_table, build_store_vectors, insert_insn_start_bb,
8925 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8926 store_motion): Use dump_file instead of gcse_file.
8927 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8928 * profile.c (profile_dump_file): Removed.
8929 (branch_prob): Use dump_file instead of profile_dump_file.
8930 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8932 * tree-ssa-copy.c (dump_copy_of): Ditto.
8933 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8934 dump file to life_analysis.
8935 * bt-load.c (branch_target_load_optimize): Ditto.
8936 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8938 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8939 regclass, dbr_schedule): Declaration changed.
8940 * sched-int.h (sched_init): Declaration changed.
8941 * tree-profile.c (tree_profile_dump_file): Removed.
8942 (tree_profile_hooks): Removed profile_dump_file hook.
8943 * rtl-profile (rtl_profile_dump_file): Removed.
8944 (rtl_profile_hooks): emoved profile_dump_file hook.
8945 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8947 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8948 * tree-cfg.c (build_tree_cfg): Ditto.
8949 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8950 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8951 Declaration changed.
8952 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8953 life_analysis and schedule_insns.
8954 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8956 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8958 * config/mips/mips.c (mips_reorg): Ditto.
8959 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8962 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8964 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8965 (s390_mangle_fundamental_type): New.
8966 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8969 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8970 (alpha_mangle_fundamental_type): New.
8971 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8974 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8976 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8978 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8979 (sparc_mangle_fundamental_type): New.
8981 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8983 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8984 (s390x-*-linux*): Likewise.
8985 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8986 * config/s390/t-linux: New file.
8988 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8990 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8991 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8993 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8995 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8996 (ANTIC_SAFE_LOADS): New macro.
8997 (find_or_generate_expression): Add prototype.
8998 (set_contains_value): Allow null set for sake of not always having
8999 to allocate ANTIC_SAFE_LOADS.
9000 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9001 Allow COMPONENT_REF too.
9002 (valid_in_set): Allow COMPONENT_REF.
9003 Check ANTIC_SAFE_LOADS too.
9004 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9005 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9007 (can_PRE_operation): Add COMPONENT_REF.
9008 (create_component_ref_by_pieces): New function.
9009 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9010 (insert_aux): Move AGGREGATE_TYPE_P check here.
9011 (compute_avail): Set bb local stmt uids.
9012 (pass_pre): Use TODO_update_ssa_only_virtuals.
9014 2006-02-06 Ben Elliston <bje@au.ibm.com>
9016 * configure.ac: Unconditionally disable decimal float by default.
9017 * configure: Regenerate.
9019 2006-02-06 Ben Elliston <bje@au.ibm.com>
9021 * read-rtl.c (read_name): Terminate reading on EOF.
9023 2006-02-06 Ben Elliston <bje@au.ibm.com>
9025 * dfp.c (decimal_real_arithmetic): Change second argument type
9026 from int to enum tree_code. Do not always return true, but now
9027 return result of any call to decimal_do helper functions.
9028 * dfp.h (decimal_real_arithmetic): Update prototype.
9030 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9032 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9034 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9037 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9040 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9042 * tree-vrp.c (cfg_loops): Removed.
9043 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9044 Use current_loops instead of cfg_loops. Pass flags to
9045 loop_optimizer_init.
9046 * cfgloopmanip.c (fix_loop_structure): Update only available
9048 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9049 loop_optimizer_init.
9050 * modulo-sched.c (build_loops_structure): Removed.
9051 (sms_schedule): Use loop_optimizer_init.
9052 * loop-init.c (loop_optimizer_init): Use flags to determine
9053 which properties of loops to prepare.
9054 (rtl_loop_init): Pass flags to loop_optimizer_init.
9055 * tree-ssa-sink.c (execute_sink_code): Ditto.
9056 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9057 * tree-ssa-pre.c (init_pre): Ditto.
9058 * cfgloop.h (LOOPS_NORMAL): New.
9059 (loop_optimizer_init): Declaration changed.
9061 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9063 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9064 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9066 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9068 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9070 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9071 * pa/t-pa64: Delete quadlib.c rule.
9072 * pa/x-ada: Revert last change.
9073 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9075 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9077 PR rtl-optimization/26087
9078 * rtlanal.c (canonicalize_condition): Do not cross basic block
9081 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9084 * config/ia64/ia64.c: Include debug.h.
9085 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9086 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9087 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9088 (process_epilogue, process_set, process_for_unwind_directive):
9089 Output unwind info only if requested. Add CFA info if requested.
9090 Add new arguments as needed. Adjust callers.
9091 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9093 (DWARF2_FRAME_INFO): Define to zero.
9094 * config/ia64/unwind-ia64.c: Remove code that compensated for
9095 the CFA offset error fixed above.
9096 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9097 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9098 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9099 -funwind-tables and -fexceptions to enable frame info.
9100 (dwarf2out_frame_init): Define initial CFA even if
9101 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9102 DWARF2_UNWIND_INFO is nonzero, not just defined.
9103 (dwarf2out_frame_finish): Output non-EH call frame info only
9104 if DWARF2_FRAME_INFO is nonzero.
9105 (convert_cfa_to_loc_list,
9106 compute_frame_pointer_to_cfa_displacement): Define even if
9107 unwind info is not supported.
9108 (gen_subprogram_die): Use the above unconditionally. Remove
9109 legacy alternate code.
9110 * toplev.c (compile_file): Compile in call to
9111 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9112 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9114 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9115 Jakub Jelinek <jakub@redhat.com>
9117 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9118 IBM extended float format long double as "g" on powerpc*-linux.
9120 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9123 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9124 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9126 2006-02-03 Jason Merrill <jason@redhat.com>
9129 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9132 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9133 on the return slot if it's an NRV.
9135 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9137 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9138 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9139 rewrite_use): Do not handle USE_OUTER.
9140 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9141 add_iv_outer_candidates, may_replace_final_value,
9142 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9143 (find_interesting_uses_op): Functionality of
9144 find_interesting_uses_outer_or_nonlin moved here.
9145 (find_interesting_uses_outside): Use find_interesting_uses_op.
9147 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9150 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9152 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9153 Ulrich Weigand <uweigand@de.ibm.com>
9156 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9157 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9158 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9159 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9161 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9162 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9163 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9164 Define secondary reloads for TFmode moves.
9165 (constant_modes): Add TFmode.
9166 (NR_C_MODES): Set to 8.
9167 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9169 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9170 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9171 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9172 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9173 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9174 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9175 (FPR mode macro): Add TFmode.
9176 (DSF mode macro): New.
9177 (<de>, <dee> mode attributes): Removed.
9178 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9179 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9180 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9181 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9182 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9183 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9184 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9185 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9186 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9187 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9188 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9189 "*negabs<mode>2", "sqrt<mode>2"):
9190 Changed <de> to <xde>. R constraint replaced by <Rf>.
9191 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9193 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9194 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9195 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9197 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9198 "extenddftf2", "extendsftf2"): New expanders.
9199 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9200 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9201 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9202 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9204 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9205 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9206 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9207 __floatditf): Add a GCC_4.1.0 symbol version tag.
9208 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9211 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9214 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9215 Use targetm.binds_local_p instead of TREE_PUBLIC.
9217 2006-02-02 Roger Sayle <roger@eyesopen.com>
9219 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9220 on INTEGER_TYPEs to indicate that it denotes a character type.
9221 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9222 signed_char_type_node, unsigned_char_type_node and char_type_node.
9223 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9224 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9225 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9227 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9228 Daniel Berlin <dberlin@dberlin.org>
9230 * tree-tailcall.c (arg_needs_copy_p): New function.
9231 (eliminate_tail_call): Use arg_needs_copy_p.
9232 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9233 (add_virtual_phis): New function.
9235 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9237 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9238 #ignore instead of #scratch for %g7 .register directive.
9240 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9242 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9245 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9247 * flow.c (calculate_global_regs_live): Assert that there aren't any
9250 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9252 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9254 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9255 bsi_after_labels iterator.
9256 * tree-if-conv.c (find_phi_replacement_condition,
9257 replace_phi_with_cond_modify_expr): Likewise.
9258 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9259 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9261 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9263 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9265 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9268 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9269 array after growing it.
9271 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9274 * fold-const.c (fold_checksum_tree): Change type of buf.
9276 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9278 * reload.c (push_secondary_reload): Initialize t_icode.
9280 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9282 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9283 -msoft-float -mlong-double-128 only issue a warning, but don't
9284 swich to DFmode long double.
9286 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9288 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9289 has a constant equivalent, iterate over equivalents for arg0,
9290 calling simplify_relational_operation and if there's a result
9291 cheaper than X, apply fold_rtx and return the result.
9293 2006-02-01 Jan Hubicka <jh@suse.cz>
9295 * opts.c (no_unit_at_a_time_default): New global variable.
9296 (decode_options): Use it.
9297 * opts.h (no_unit_at_a_time_default): Declare.
9299 2006-02-01 Paul Brook <paul@codesourcery.com>
9301 * function.c (assign_parm_setup_reg): Use function argument promotion
9303 * expr.c (expand_expr_real_1): Use function argument promotion rules
9306 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9308 * gcc.c (process_command): Change j to 'unsigned int'.
9310 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9313 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9314 Use the corrected index for the character
9315 out of the string constant.
9317 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9319 * mode-switching.c (optimize_mode_switching): Fix size
9320 allocated for bb_info[n_entities].
9322 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9324 * gcc.c (main): Correct type that is allocated for
9325 explicit_link_files.
9327 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9329 * config/s390/s390.c (init_alignment_context): Set
9330 ALIAS_SET_MEMORY_BARRIER on the MEM.
9331 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9333 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9336 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9338 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9341 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9343 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9344 * regrename.c: Ditto.
9345 * tree-ssa-loop-im.c: Ditto.
9346 * tree-dump.c: Ditto.
9347 * tree-complex.c: Ditto.
9348 * genrecog.c: Ditto.
9349 * tree-ssa-threadupdate.c: Ditto.
9351 * java/class.c: Ditto.
9352 * java/jcf-parse.c: Ditto.
9353 * java/resource.c: Ditto.
9354 * java/except.c: Ditto.
9355 * java/jvspec.c: Ditto.
9356 * java/jcf-write.c: Ditto.
9357 * java/jcf-path.c: Ditto.
9358 * java/gjavah.c: Ditto.
9359 * java/zextract.c: Ditto.
9360 * java/jcf-io.c: Ditto.
9361 * java/jcf.h: Ditto.
9362 * java/buffer.c: Ditto.
9363 * java/lang.c: Ditto.
9364 * java/parse-scan.y: Ditto.
9365 * java/lex.c: Ditto.
9366 * java/lex.h: Ditto.
9367 * cfgloopmanip.c: Ditto.
9368 * postreload-gcse.c: Ditto.
9369 * tree-ssa-loop-manip.c: Ditto.
9370 * postreload.c: Ditto.
9371 * tree-ssa-loop-ch.c: Ditto.
9375 * diagnostic.c: Ditto.
9377 * genoutput.c: Ditto.
9379 * cfghooks.c: Ditto.
9380 * cfgloopanal.c: Ditto.
9381 * objc/objc-act.c: Ditto.
9383 * genextract.c: Ditto.
9384 * genautomata.c: Ditto.
9385 * pretty-print.c: Ditto.
9387 * cgraphunit.c: Ditto.
9390 * haifa-sched.c: Ditto.
9391 * dominance.c: Ditto.
9393 * tree-ssa-loop-ivopts.c: Ditto.
9395 * mode-switching.c: Ditto.
9396 * modulo-sched.c: Ditto.
9398 * ipa-pure-const.c: Ditto.
9400 * fix-header.c: Ditto.
9402 * tree-stdarg.c: Ditto.
9403 * ipa-utils.c: Ditto.
9404 * loop-init.c: Ditto.
9405 * ipa-inline.c: Ditto.
9408 * alloc-pool.c: Ditto.
9409 * dwarf2out.c: Ditto.
9411 * genattrtab.c: Ditto.
9412 * tree-ssa-loop-ivcanon.c: Ditto.
9416 * fortran/gfortranspec.c: Ditto.
9418 * local-alloc.c: Ditto.
9419 * langhooks.c: Ditto.
9420 * function.c: Ditto.
9421 * tree-vectorizer.c: Ditto.
9423 * ipa-type-escape.c: Ditto.
9425 * tree-if-conv.c: Ditto.
9428 * tree-data-ref.c: Ditto.
9429 * loop-unroll.c: Ditto.
9430 * treelang/treetree.c: Ditto.
9433 * ggc-common.c: Ditto.
9435 * coverage.c: Ditto.
9437 * tree-cfgcleanup.c: Ditto.
9438 * tree-ssa-pre.c: Ditto.
9439 * cfgcleanup.c: Ditto.
9440 * loop-invariant.c: Ditto.
9442 * ipa-prop.c: Ditto.
9443 * print-tree.c: Ditto.
9444 * conflict.c: Ditto.
9445 * ggc-page.c: Ditto.
9446 * sched-deps.c: Ditto.
9447 * regclass.c: Ditto.
9448 * tree-object-size.c: Ditto.
9450 * bb-reorder.c: Ditto.
9451 * resource.c: Ditto.
9452 * var-tracking.c: Ditto.
9454 * df-problems.c: Ditto.
9455 * reg-stack.c: Ditto.
9458 * sched-rgn.c: Ditto.
9459 * tree-ssa-structalias.c: Ditto.
9460 * tree-ssa-reassoc.c: Ditto.
9461 * config/darwin-c.c: Ditto.
9462 * config/darwin.c: Ditto.
9463 * config/arm/arm.c: Ditto.
9465 * collect2.c: Ditto.
9468 2006-01-31 Nicolas Pitre <nico@cam.org>
9470 * arm.md (smaxsi3): Make aware of smax_m1.
9473 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9475 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9477 2006-01-31 Richard Guenther <rguenther@suse.de>
9479 * doc/invoke.texi (-msselibm): Document.
9480 * target.h (expand_library_builtin): New target hook.
9481 * builtins.c (expand_builtin): Use expand_library_builtin.
9482 (default_expand_library_builtin): New function.
9483 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9484 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9485 (link_gcc_math_spec): Declare.
9486 (static_specs): Add link_gcc_math_spec.
9487 * expr.h (default_expand_library_builtin): Declare.
9488 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9489 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9490 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9491 * config/i386/i386.opt (msselibm): New target option.
9492 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9493 (ix86_init_sse_abi_builtins): New function.
9494 (ix86_expand_library_builtin): Likewise.
9495 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9496 (override_options): Handle error conditions wrt -msselibm.
9497 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9498 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9499 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9502 2006-01-31 Richard Guenther <rguenther@suse.de>
9503 Paolo Bonzini <bonzini@gnu.org>
9505 * doc/install.texi (--disable-libgcc-math): Document.
9507 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9509 * expr.h (expand_normal): new inline function.
9510 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9512 * dwarf2out.c: use it.
9517 * config/sparc/sparc.c: use it.
9518 * config/i386/i386.c: use it.
9519 * config/rs6000/rs6000.c: use it.
9520 * config/arm/arm.c: use it.
9521 * config/mips/mips.c: use it.
9522 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9524 2006-01-30 Roger Sayle <roger@eyesopen.com>
9526 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9527 argv to the appropriate type.
9529 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9531 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9534 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9537 * config/s390/s390.c (struct machine_function): New flag
9538 decomposed_literal_pool_addresses_ok_p.
9539 (s390_reorg): Set it before final stage of literal pool transforms.
9540 (s390_decompose_address): Only accept displacements of the form
9541 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9543 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9545 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9546 the comparison routine return.
9548 2006-01-30 Michael Matz <matz@suse.de>
9550 * global.c (find_reg): Only evict for global regs.
9551 Take n_refs into account and dump more info.
9553 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9556 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9557 (pragma_trap, pragma_nosave_low_regs): Likewise.
9558 (current_function_anonymous_args): Likewise.
9559 (sh_deferred_function_attributes): New variable.
9560 (sh_deferred_function_attributes_tail): Likewise.
9561 (print_operand): For '@', look up trap_exit attribute.
9562 (calc_live_regs): Look up trapa_handler attribute. For trapa
9563 handlers, save/restore fpscr, but don't do any other
9564 interrupt-specific saves.
9565 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9566 Fix check for partially saved registers to check for SHmedia.
9567 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9568 (sh_output_function_epilogue): Don't clear any of the removed
9570 (sh_insert_attributes): Don't check pragma_interrupt.
9571 Insert deferred attributes. Check that interrupt attribute is
9572 present for other attributes that require its presence.
9573 (sh_attribute_table): Add new attributes trapa_handler and
9575 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9576 Don't check for pragma_interrupt. Don't store argument.
9577 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9578 (sh_deferred_function_attributes): Declare.
9579 (sh_deferred_function_attributes_tail): Likewise.
9580 * sh.md (sp_switch_1): Add operand. Change generator caller.
9581 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9582 (*return_i): Don't use when trap_exit attribute is in effect.
9583 (*return_trapa): New insn pattern.
9585 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9586 setting c_target_objs and cxx_target_objs.
9587 * t-sh: Add rule for sh-c.o.
9589 2006-01-30 Richard Guenther <rguenther@suse.de>
9592 * gimplify.c (gimplify_target_expr): Handle easy cases
9593 without creating a temporary.
9595 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9597 * vec.h (safe_grow): Remove duplicated line.
9599 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9602 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9603 (expand_omp): ... here.
9604 (expand_omp_parallel): Only remove barriers for combined
9605 parallel+workshare constructs.
9607 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9611 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9612 * tree.c (build_qualified_type): Chain the new type to the original
9613 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9614 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9615 (build_pointer_type_for_mode): Only return unqualified types.
9616 (build_reference_type_for_mode): Likewise.
9618 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9620 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9621 * Makefile.in (CXX_COMPAT_WARN): Define.
9622 * configure: Regenerate.
9624 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9627 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9630 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9632 * toplev.c: Fix thinko.
9634 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9635 Marcin Dalecki <martin@dalecki.de>
9637 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9638 (push_srcloc): Use XNEW.
9639 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9641 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9643 * df-core.c (df_set_blocks): Deleted all variable.
9645 2006-01-28 Ian Lance Taylor <ian@airs.com>
9647 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9648 cgraph_output_pending_asms.
9650 2006-01-28 Zack Weinberg <zackw@panix.com>
9652 * c.opt: Add -W(no-)overlength-strings.
9653 * doc/invoke.texi: Document it.
9654 * c-opts.c (c_common_handle_option): -pedantic implies
9655 -Woverlength-strings, if not explicitly disabled already.
9656 (c_common_post_options): -Woverlength-strings defaults to off, and
9657 is always off for C++.
9658 * c-common.c (fix_string_type): Issue warning about strings longer
9659 than is portable only if warn_overlength_strings. Rearrange code
9660 a little for clarity.
9661 * configure.in: Check for -Wno-overlength-strings as well before
9662 enabling -pedantic in stage 1.
9663 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9664 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9666 * genconditions.c (write_header, write_one_condition)
9667 (write_conditions, write_writer): Consolidate very long strings
9668 that were broken up to fit in C89 portable limit. Don't use
9669 printf when fputs will do.
9671 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9673 * combine.c (simplify_comparison <AND>): Check
9674 TRULY_NOOP_TRUNCATION before start using a subreg.
9676 * config/mips/mips.md (*branch_zero<mode>,
9677 *branch_zero<mode>_inverted, *branch_equality<mode>,
9678 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9679 Remove mode check from comparisons.
9681 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9683 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9685 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9687 * expmed.c (const_mult_add_overflow_p): Remove.
9688 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9690 * recog.c (validate_replace_rtx_subexp): Remove.
9691 * recog.h: Remove the prototype for
9692 validate_replace_rtx_subexp.
9694 * integrate.h: Remove the prototype for
9695 copy_decl_for_inlining.
9696 * rtl.h: Remove the prototype for mark_constant_function.
9697 * tree-vectorizer.h: Remove the prototype for
9698 vect_strip_conversion.
9700 * modulo-sched.c (create_partial_schedule,
9701 free_partial_schedule, reset_partial_schedule): Make them
9704 * hooks.c (hook_bool_rtx_int_false): Remove.
9705 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9707 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9709 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9710 and -mlong-double-128 are incompatible.
9711 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9712 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9713 (TARGET_LIBGCC2_CFLAGS): Define.
9714 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9715 (TARGET_LIBGCC2_CFLAGS): Same.
9716 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9718 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9721 * c-typeck.c (build_binary_op): Perform implicit casts of
9722 operands before shortening them.
9724 * cfgloopmanip.c (split_loop_bb): Remove.
9725 * cfgloop.h: Remove the prototype for split_loop_bb.
9727 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9728 * cfgloop.h: Remove the prototype for
9729 flow_loop_outside_edge_p.
9731 * emit-rtl.c (init_virtual_regs): Make it static.
9732 * function.h: Remove the prototype for init_virtual_regs.
9734 * recog.c (peephole2_optimize): Make it static.
9735 * recog.h: Remove the prototype for peephole2_optimize.
9737 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9739 * df-scan.c (df_record_entry_block_defs): Check if
9740 INCOMING_RETURN_ADDR_RTX is defined.
9742 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9743 Kenneth Zadeck <zadeck@naturalbridge.com>
9745 PR rtl-optimization/24762
9746 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9747 * targhooks.c (hook_void_bitmap): New hook prototype.
9748 * targhoohs.h (hook_void_bitmap): Ditto.
9749 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9750 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9751 * target.h (live_on_entry): New function pointer.
9752 * df-scan.c (df_all_hard_regs): Removed.
9753 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9754 (df_scan_free_internal): Added df->entry_block_defs.
9755 (df_scan_alloc): Ditto.
9756 (df_scan_dump): Ditto.
9757 (df_uses_record): Plumbed flag field properly thru calls.
9758 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9759 This part fixes PR24762.
9760 (df_bb_refs_record): Added code to make the frame and arg
9761 pointers live in EH blocks.
9762 (df_refs_record): Added call to df_record_entry_block_defs.
9763 (df_record_entry_block_defs): New function.
9764 * df-core.c: Added comments to describe new artifical defs.
9765 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9766 (entry_block_defs): New field in struct df.
9767 (df_all_hard_regs): Deleted.
9768 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9769 * df-problems.c (df_ru_bb_local_compute_process_def):
9770 Added code to handle artifical defs in the entry to a function.
9771 (df_ru_bb_local_compute): Ditto.
9772 (df_rd_bb_local_compute_process_def): Ditto.
9773 (df_rd_bb_local_compute): Ditto.
9774 (df_lr_bb_local_compute): Ditto.
9775 (df_ur_bb_local_compute): Ditto.
9776 (df_urec_bb_local_compute): Ditto.
9777 (df_chain_create_bb): Ditto.
9778 (df_ur_local_finalize): Removed entry.
9779 (df_urec_init): Ditto.
9780 (df_urec_local_finalize): Ditto.
9781 (df_ri_bb_compute): Added detection of last use of pseudos.
9782 * Makefile.in (df-scan.o): Updated dependencies.
9783 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9784 * config/mips/mips.c (mips_set_live_on_entry): Added.
9785 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9787 * dce.c (marked_insn_p): Added code to handle artifical defs.
9789 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9791 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9793 (_mm_cvtsi128_si64): Likewise.
9794 (_mm_cvtsd_si64): Likewise.
9795 (_mm_cvttsd_si64): Likewise.
9796 (_mm_cvtsi64_sd): Likewise.
9797 (_mm_cvtsi64_si128): Likewise.
9798 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9799 (_mm_cvtsi64_m64): Likewise.
9800 (_m_to_int64): Likewise.
9801 (_mm_cvtm64_si64): Likewise.
9802 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9803 (_mm_cvttss_si64): Likewise.
9804 (_mm_cvtsi64_ss): Likewise.
9805 (_mm_cvtss_f32): Likewise.
9807 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9809 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9810 for pragma redefine_extname.
9812 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9815 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9816 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9817 -mno-minimal-toc to previous content.
9818 (bispecs): Remove goal.
9819 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9820 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9821 compatibility aliases on powerpc-*-*gnu*.
9822 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9823 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9824 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9825 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9826 (ldblspecs): New goal.
9827 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9828 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9830 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9831 L_sf_to_tf or L_df_to_tf is defined.
9833 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9834 Alan Modra <amodra@bigpond.net.au>
9837 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9838 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9839 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9840 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9841 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9842 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9843 (rs6000_override_options): Initialize rs6000_ieeequad.
9844 Initialize TFmode format to ibm_extended_format if not
9846 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9848 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9849 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9850 (function_arg_advance): IBM long double passed in two FPRs, not
9852 (function_arg): IBM long double passed in FPRs.
9853 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9854 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9855 Only multireg GPR aligned.
9856 (rs6000_init_libfuncs): Enable IBM long double functions if not
9858 (rs6000_generate_compare): Use IBM long double compare if not
9860 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9861 (TARGET_IEEEQUAD): Define.
9862 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9863 not TARGET_IEEEQUAD.
9864 * config/rs6000/rs6000.md: Enable TFmode patterns if
9866 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9867 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9868 and -mlong-double-128 are incompatible.
9869 * doc/invoke.texi (-mabi): Collect options together. Add
9870 ibmlongdouble and ieeelongdouble.
9872 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9874 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9876 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9877 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9878 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9879 * rtl.h (rtunion_def): Remove rt_ptr.
9881 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9882 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9883 * config/i386/winnt.c (i386_pe_mark_dllexport)
9884 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9886 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9888 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9890 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9894 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9895 pthread_key_delete. From John David Anglin. gthrw-ify
9896 pthread_getunique_np only if it it's not a macro. Delete
9898 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9899 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9900 __gthread_objc_condition_signal, __gthread_key_delete): Add
9901 "__attribute__ ((__unused__))" to unused arguments.
9902 (__gthread_recursive_mutex_init_function): Add missing return.
9903 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9904 gthr-posix95.h: Use macro-based approach for name redirection
9905 on targets missing weakref.
9907 2006-01-26 Zack Weinberg <zackw@panix.com>
9909 * genconditions.c (write_header): In generated code, #ifdef out
9910 all includes and fake declarations, except includes of bconfig.h
9911 and system.h, unless GCC_VERSION >= 3001. Do not include
9912 gensupport.h in any case.
9913 (write_conditions): Generate a definition of struct c_test. Add
9914 a comment to the generated #endif.
9915 (write_one_condition): Escape backslashes in string too.
9916 (write_writer): Generated code must escape backslashes and quote
9917 marks (but not newlines) in the strings it writes.
9918 * Makefile.in (build/gencondmd.o): Update dependencies.
9920 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9923 * Makefile.in (insn-automata.o): Add header file dependencies.
9924 * genautomata.c: Add includes.
9926 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9929 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9931 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9933 * configure.ac: Expect target tools paths to be passed from the toplevel
9934 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9936 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9938 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9941 * c.opt (Wpointer-sign): Init to -1.
9942 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9943 OPT_pedantic, to 0 otherwise.
9944 * doc/invoke.texi: Update.
9946 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9948 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9949 constants provided by 80387 instructions in the destination mode.
9951 2006-01-26 Richard Guenther <rguenther@suse.de>
9952 Andrew Pinski <pinskia@physics.uc.edu>
9955 partial PR tree-opt/17064
9956 * tree-ssa-structalias.c (intra_create_variable_infos):
9957 Create heap variables for incoming parameters if
9958 flag_argument_noalias > 1.
9959 (find_what_p_points_to): Look through default defs of
9962 2006-01-26 Jeff Law <law@redhat.com>
9965 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9966 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9967 within the VR_RANGE, use the VR_RANGE as the result, not the
9969 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9970 bounds for the type.
9972 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9974 * tree-ssa-alias.c (maybe_create_global_var): Change
9975 subvar walking to an assertion that we don't have subvar'd variables.
9977 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9980 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9981 Use a new variable, inner. PARM_DECLs are always non-weak.
9983 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9985 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9988 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9990 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9992 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9994 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9995 (smax_insn, smin_insn, smax_0, smin_0): New.
9997 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10000 * config/cris/cris.c (cris_order_for_addsi3): New function.
10001 * config/cris/cris-protos.h: Prototype it.
10002 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10003 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10004 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10005 (split for "op.S1 [rx=rx+i],ry (swapped)")
10006 (split for "op(s|u).S1 [rx=rx+i],ry")
10007 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10008 Apply cris_order_for_addsi3 when generating addsi3 insns.
10010 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10012 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10013 (TREE_BLOCK): Add call to EXPR_CHECK.
10015 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10018 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10019 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10020 (dump_omp_clauses): ... here.
10021 (dump_generic_node): Handle OMP_CLAUSE.
10022 * tree.c (omp_clause_num_ops): New.
10023 (omp_clause_code_name): New.
10024 (tree_code_size): Handle OMP_CLAUSE.
10025 (tree_size): Likewise.
10026 (make_node): Document handling of OMP_CLAUSE.
10027 (tree_node_structure): Handle OMP_CLAUSE.
10028 (omp_clause_check_failed): New.
10029 (omp_clause_range_check_failed): New.
10030 (omp_clause_operand_check_failed): New.
10031 (build_omp_clause): New.
10032 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10033 * tree.h (enum omp_clause_code): Declare.
10034 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10035 (OMP_CLAUSE_RANGE_CHECK): Define.
10036 (OMP_CLAUSE_ELT_CHECK): Define.
10037 (omp_clause_check_failed): Declare.
10038 (omp_clause_operand_check_failed): Declare.
10039 (omp_clause_range_check_failed): Declare.
10040 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10041 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10042 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10043 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10044 (OMP_CLAUSE_IF_EXPR): Likewise.
10045 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10046 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10047 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10048 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10049 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10050 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10051 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10052 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10053 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10054 (OMP_CLAUSE_CODE): Define.
10055 (OMP_CLAUSE_SET_CODE): Define.
10056 (OMP_CLAUSE_CODE): Define.
10057 (OMP_CLAUSE_OPERAND): Define.
10058 (struct tree_omp_clause): Declare.
10059 (union tree_node): Add field 'omp_clause'.
10060 * treestruct.def (TS_OMP_CLAUSE): Define.
10061 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10062 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10063 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10064 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10065 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10066 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10067 (OMP_CLAUSE): Define.
10068 * print-tree.c (print_node): Handle OMP_CLAUSE.
10069 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10070 * c-typeck.c: Likewise.
10071 * gimplify.c: Likewise.
10072 * c-omp.c: Likewise.
10073 * tree-nested.c: Likewise.
10074 * tree-inline.c: Likewise.
10075 * c-parser.c: Likewise.
10076 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10079 2006-01-25 Roger Sayle <roger@eyesopen.com>
10081 PR rtl-optimization/25703
10082 * combine.c (try_combine): Handle zero_extract and strict_low_part
10083 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10085 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10087 * global.c: Fix comment typos.
10089 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10092 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10093 Use output_addr_const instead of assemble_name.
10095 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10097 * Makefile.in (sched-vis.o): Update dependencies.
10098 * haifa-sched.c (sched_finish): Clear current_sched_info.
10099 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10100 (dump_flow_info): Call it.
10101 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10103 * basic-block.h (dump_bb_info): Declare.
10104 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10105 option, and apply options only for dump files whose TDF_RTL,
10106 TDF_TREE, or TDF_IPA bits match.
10107 * rtl.h: Declare new functions exported from sched-vis.c.
10108 * sched-vis.c: Enable also if scheduling is not used.
10109 (print_value): Print the mode of registers if not inside scheduling.
10110 (print_insn): Make it work outside the scheduler. Beautify the output
10112 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10114 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10116 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10117 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10118 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10119 depending on the value of CONSTANT_POOL_ADDRESS_P.
10120 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10122 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10123 rather than SYMBOL_REF_DECL.
10124 (rtx_constant_pool): Remove const_rtx_sym_htab.
10125 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10126 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10127 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10128 Remove handling of const_rtx_sym_htab.
10129 (find_pool_constant): Delete.
10130 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10131 rather than find_pool_constant.
10132 (get_pool_constant_for_function): Delete.
10133 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10134 find_pool_constant.
10135 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10136 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10137 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10138 (SYMBOL_REF_CONSTANT): New macro.
10139 (get_pool_constant_for_function): Delete.
10140 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10141 rather than SYMBOL_REF_DECL.
10142 (i386_pe_mark_dllimport): Likewise.
10143 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10144 rather than SYMBOL_REF_DECL.
10145 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10146 (machopic_indirect_call_target): Likewise.
10148 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10150 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10152 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10154 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10156 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10158 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10160 2006-01-24 David Daney <ddaney@avtrex.com>
10163 * configure.ac (enable_tls): New enable option.
10164 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10165 * configure: Regenerate.
10166 * doc/install.texi (--enable-tls): Document new option.
10167 (--disable-tls): Ditto.
10169 2006-01-24 Richard Henderson <rth@redehat.com>
10171 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10172 * alias.c (true_dependence): Respect it.
10173 (canon_true_dependence, write_dependence_p): Likewise.
10174 * builtins.c (get_builtin_sync_mem): Set it.
10176 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10178 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10181 2006-01-24 DJ Delorie <dj@redhat.com>
10183 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10184 for storing constants in single-bit bitfields.
10186 2006-01-25 Ben Elliston <bje@au.ibm.com>
10188 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10190 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10193 * tree-ssa-pre.c (phi_translate): Return NULL
10194 for AGGREGATE_TYPE's.
10196 2006-01-24 Zack Weinberg <zackw@panix.com>
10198 * genautomata.c (process_state_for_insn_equiv_partition):
10199 Use xcalloc for insn_arcs_array.
10200 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10201 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10203 2006-01-24 Richard Henderson <rth@redhat.com>
10205 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10206 update all callers.
10208 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10210 PR rtl-optimization/25890
10211 PR rtl-optimization/25905
10212 * combine.c (expand_compound_operation, expand_field_assignment):
10213 Fail if the bitfield's final position is out of bounds.
10215 2006-01-24 Ian Lance Taylor <ian@airs.com>
10217 PR middle-end/25930
10218 * cgraphunit.c (cgraph_output_in_order): Don't clear
10219 cgraph_asm_nodes until after asm strings have been output.
10221 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10223 * fix-header.c (read_scan_file): Add new parameter imultilib when
10224 calling register_include_chains.
10226 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10228 * omp-low.c: Update documentation.
10230 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10231 Daniel Berlin <dberlin@dberlin.org>
10235 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10236 return from the function.
10238 2006-01-22 Zack Weinberg <zackw@panix.com>
10240 * rtl.def (match_code): Add second argument.
10241 * genpreds.c (write_extract_subexp): New function.
10242 (write_match_code): Add path argument. Use write_extract_subexp.
10243 (write_predicate_expr): Pass path to write_match_code.
10244 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10245 not perform a mode test.
10246 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10247 a subexpression does not constrain the top-level code set.
10248 * read-rtl.c (read_rtx_variadic): New function.
10249 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10250 * doc/md.texi: Document new notation.
10251 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10252 (cmpsi_operand): ... here, using new notation.
10254 2006-01-22 Zack Weinberg <zackw@panix.com>
10256 * varray.c: Remove GENERATOR_FILE #ifdefs.
10258 2006-01-22 Zack Weinberg <zackw@panix.com>
10260 * genautomata.c (output_reserved_units_table): Emit nothing if
10261 description->query_units_num is zero. Remove extra blank line.
10262 (output_cpu_unit_reservation_p): Short circuit
10263 if description->query_units_num is zero.
10265 2006-01-22 Zack Weinberg <zackw@panix.com>
10267 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10268 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10269 nor any of the random handful of variables that used to be necessary
10270 when this program was linked with rtlanal.o. Prune set of forward
10271 function declarations.
10272 (struct attr_desc): Remove static_p field.
10273 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10274 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10275 (attr_string): Do not read the character one past the length of
10277 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10278 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10279 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10280 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10281 (make_automaton_attrs): New.
10282 (main): Do not call into genautomata. Call local gen_bypass
10283 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10284 Remove special case for insn_alts.
10285 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10286 varray.h (leftover from previous change). Prune set of forward
10287 function declarations. Remove state_alts fields from all
10288 structures. Remove state_alts_table from struct automaton.
10289 Make everything except main static. Do not maintain num_dfa_decls.
10290 Do not maintain state_alts fields of various structures.
10291 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10292 (add_arc): Remove state_alts argument. All callers updated.
10293 (output_reserved_units_table): Emit #ifdef here...
10294 (output_tables): ...not here. Don't generate state_alts tables.
10295 (expand_automata): Don't generate attributes.
10296 (write_automata): Don't generate state_alts functions.
10297 (main): New function.
10298 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10299 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10300 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10301 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10302 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10303 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10304 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10305 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10307 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10308 * genattrtab.h: Delete file.
10309 * Makefile.in (OBJS-common): Add insn-automata.o.
10310 (insn-automata.o): New rule.
10311 (simple_generated_c): Add insn-automata.c.
10312 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10313 (genprogmd): Add automata.
10314 (build/genattrtab): Needs no extra objects nor libraries.
10315 (build/genautomata): Needs build/vec.o and -lm.
10317 2006-01-22 Zack Weinberg <zackw@panix.com>
10319 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10320 (output_dfa_max_issue_rate, locked_states_num): Delete.
10321 (struct automaton): Add locked_states field.
10322 (output_dead_lock_vect): Save number of locked states in
10323 automaton->locked_states. If it is zero, don't print anything.
10324 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10325 (output_internal_dead_lock_func): Only test the dead_lock_vect
10326 for automata that have locked states.
10327 (output_statistics): Always print the number of locked states for
10328 each automaton. Calculate total number of locked states here.
10329 (write_automata): Don't call output_dfa_max_issue_rate.
10330 * genattrtab.c: Define length_unit_log as a const variable.
10331 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10332 max_insn_queue_index const.
10333 * final.c (length_unit_log): Declare const.
10334 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10336 2006-01-22 Zack Weinberg <zackw@panix.com>
10338 * genautomata.c: Include vec.h, not varray.h.
10339 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10340 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10341 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10342 VEC_* macros operating on appropriately typed vectors, or to
10343 malloced arrays when the size is known in advance. Const-ify
10344 many char* variables and function arguments. No functional changes.
10345 * Makefile.in (build/varray.o): Delete rule.
10346 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10347 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10349 2006-01-22 Zack Weinberg <zackw@panix.com>
10351 * gensupport.c: Define get_insn_name and record_insn_name here.
10352 (read_md_rtx): Call record_insn_name as appropriate.
10353 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10354 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10355 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10357 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10358 (BUILD_VARRAY): Delete.
10359 (genprognormal): Rename genprogmd. Fold in all programs from
10360 genprognoprint; also attrtab.
10361 (build/genattrtab): Just mention genautomata.o and varray.o.
10362 Reorganize a bit, add comments to make the categories clearer.
10364 2006-01-22 Zack Weinberg <zackw@panix.com>
10366 * genconditions.c (condition_table, add_condition): Delete.
10367 (write_conditions): Don't emit n_insn_conditions nor
10368 insn_elision_unavailable. Issue the gcc version #ifdef here,
10369 inside the table, with no #else clause ...
10370 (write_header): ...not here.
10371 (write_writer): New function.
10372 (main): Don't initialize condition_table. Use add_c_test.
10374 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10375 files on the command line.
10376 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10377 Return -1 if there is no entry in the table, don't abort.
10378 (add_c_test, traverse_c_tests): New functions.
10379 * gensupport.h (insn_elision_unavailable, insn_conditions)
10380 (n_insn_conditions): Delete declarations.
10381 (add_c_test, traverse_c_tests): Declare.
10382 * read-rtl.c: Include gensupport.h.
10383 (read_conditions): New function.
10384 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10385 (read_rtx_1): If we get EOF when we were looking for an initial
10386 open paren, return 0. Call read_conditions when appropriate.
10387 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10388 dummy-conditions.o. Eliminate references to insn-conditions.o,
10389 or change them to build/gencondmd.o, as appropriate. Remove
10390 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10391 from $(simple_generated_c). For all files remaining in those
10392 two lists, add insn-conditions.md to the generator command line.
10393 Give insn-constants.h/s-constants their own rules. Add rules
10394 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10395 (build/read-rtl.o): Depend on gensupport.h.
10396 (genprognormal): Include preds.
10397 (genprogearly): Rename genprognoprint; only difference is now that
10398 they don't link with $(BUILD_PRINT).
10399 * dummy-conditions.c: Delete.
10401 2006-01-22 Zack Weinberg <zackw@panix.com>
10403 * genextract.c: Don't include insn-config.h. Do include vec.h.
10404 Declare vectors of int, char, and locstr.
10405 (locstr): New typedef.
10406 (struct extraction): Make all array fields into bare pointers.
10407 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10408 (insn_code_number): Delete.
10409 (accum_extract): New struct.
10410 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10411 (gen_insn): Take insn_code_number as an argument. Use an
10412 accum_extract structure instead of loading data directly into
10413 a struct extraction, and having to know how big it might get.
10414 (walk_rtx): Operate entirely on an accum_extract structure.
10415 (print_path): Avoid unnecessary use of printf.
10416 (print_header): New function, split out of main. Distinguish
10417 more carefully between an unrecognizable insn and an insn that
10418 has the code number of a define_expand.
10419 (main): Pass insn_code_number to gen_insn. Call print_header
10420 only after parsing. Avoid unnecessary use of printf.
10421 * Makefile.in (build/vec.o): New rule.
10422 (build/genextract): Depend on build/vec.o.
10423 (build/genextract.o): Don't depend on insn-config.h.
10425 2006-01-22 Zack Weinberg <zackw@panix.com>
10427 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10428 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10429 practical. Eliminate per-generator-program link rules.
10431 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10433 PR middle-end/24437
10434 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10435 with a call expr to ...
10436 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10438 2006-01-23 Richard Guenther <rguenther@suse.de>
10440 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10441 before make_edge with conditional EDGE_TRUE_VALUE.
10443 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10444 Jan Hubicka <jh@suse.cz>
10445 Richard Guenther <rguenther@suse.de>
10447 PR rtl-optimization/25654
10448 * cfgexpand.c (aggregate_contains_union_type): New function.
10449 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10450 for structure variables that contain a union type.
10452 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10454 * gengtype.c (new_structure): Return the structure.
10455 (create_option): Add an extra "next" argument.
10456 (create_field): New function.
10457 (adjust_field_rtx_def): Use create_option and create_field.
10458 Remove a now-unnecessary call to find_structure.
10459 (adjust_field_tree_def): Likewise.
10460 (note_yacc_type): Remove an unnecessary call to find_structure.
10461 * gengtype.h (new_structure): Return the structure.
10462 (create_option): Add an extra argument.
10463 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10464 (option): Adjust calls to create_option.
10466 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10468 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10470 2006-01-22 Paul Brook <paul@codesourcery.com>
10471 Peter Barada <peter@the-baradas.com>
10473 * config/m68k/m68k.md: Add Coldfire FPU support.
10474 Define FP mode macro and associated attributes.
10475 Use it for float mode patterns.
10476 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10477 (LIBCALL_VALUE): Use m68k_libcall_value.
10478 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10479 (m68k_function_value): Ditto.
10480 (emit_move_sequence): Ditto.
10481 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10482 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10483 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10484 (MULTILIB_EXCEPTIONS): Ditto.
10485 * config/m68k/m68k.opt: Add mcfv4e.
10486 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10487 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10488 (m68k_output_function_prologue): Save ColdFire FPU registers.
10489 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10490 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10491 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10492 ColdFire FPU registers.
10493 (m68k_libcall_value, m68k_function_value): New functions.
10494 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10495 (LIBCALL_VALUE): Use m68k_libcall_value.
10496 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10497 (MASK_COLDFIRE): Add MASK_CFV4E.
10498 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10499 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10500 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10501 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10502 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10503 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10504 * doc/invoke.tex: Document -mcfv4e on m68k.
10506 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10508 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10511 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10514 * c-opts.c (c_common_handle_option): Don't include
10515 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10516 * doc/invoke.texi (C++ Dialect Options): Document that
10517 -Wnon-virtual-dtor is no longer included in -Wall.
10519 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10521 * gcov.c (print_version), gcov-dump.c (print_version),
10522 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10525 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10527 * df-scan.c (problem_SCAN): Added NULL reset function.
10528 (df_scan_reset_blocks): Added code to call reset block function
10529 (df_bb_refs_delete) Fixed comment.
10530 (df_insn_refs_delete): Made tolerant of deleting non existent info
10531 for dataflow problems that need to be reset.
10532 * df-core.c (df_set_blocks): Ditto.
10533 * df.h (struct df_problem): Added reset_fun.
10534 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10535 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10536 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10537 functions to clear out all references to def-use or use-def chains.
10539 2006-01-21 Ben Elliston <bje@au.ibm.com>
10541 * varasm.c (assemble_real): Initialise data array.
10543 2006-01-20 Paul Brook <paul@codesourcery.com>
10545 Merge from csl-arm-branch.
10546 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10547 * config/arm/arm.md (movdi): Force operands[1] to a register
10548 if we have a non-register source.
10549 (*arm_movdi, *movdf_soft_insn): Require that one of the
10550 operands be a register.
10551 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10552 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10554 2006-01-20 DJ Delorie <dj@redhat.com>
10556 * varasm.c (initializer_constant_valid_p): Allow pointers
10557 initialized from integer constants of lesser precision.
10558 (output_constant): Allow non-int-sized pointer modes to be
10559 initialized from integer constants.
10561 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10564 * cppdefault.h (struct default_include): Add multilib flag.
10565 * cppdefault.c (cpp_include_defaults): Set it.
10566 * c.opt (-imultilib): New option.
10567 * c-opts.c (imultilib): New.
10568 (c_common_handle_option): Handle -imultilib.
10569 (c_common_post_options): Likewise.
10570 * c-incpath.c (add_standard_paths, register_include_chains):
10572 * c-incpath.h (register_include_chains): Add extra parameter.
10573 * gcc.c (do_spec_1): Generate -imultilib option.
10574 (The Specs Language): Update %I description.
10575 (process_command): Update copyright notice.
10576 * doc/cppopts.texi (-imultilib): Document.
10577 * doc/invoke.texi (-imultilib): Include in option summary.
10578 (%I): Update specs documentation.
10580 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10582 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10584 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10586 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10589 2006-01-20 Richard Guenther <rguenther@suse.de>
10590 Steven Bosscher <stevenb.gcc@gmail.com>
10592 PR rtl-optimization/24626
10593 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10594 EDGE_TRUE_VALUE if in RTL mode.
10597 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10598 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10600 2006-01-20 Dirk Mueller <dmueller@suse.com>
10603 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10604 instead of a special NOP marker.
10605 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10606 NOP marker handling.
10607 * c-common.h (empty_body_warning): Add forward declaration.
10608 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10609 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10611 2006-01-20 Paul Brook <paul@codesourcery.com>
10613 * Makefile.in (lang_checks): Keep going if mkdir fails.
10615 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10617 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10618 be able to clean out basic block when not necessary.
10619 (df_scan_free): Fixed to properly delete information if df is
10620 unused before calling df_finish.
10621 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10622 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10624 (df_bb_refs_delete): New function.
10625 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10626 * df-core.c (df_set_blocks): Added code to properly clean out
10627 unused blocks if they are not part of the blocks to consider.
10628 Added additional null check.
10629 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10630 be able to clean out basic block when not necessary
10631 * df.h (df_free_bb_function): Ditto.
10632 (df_bb_refs_delete): New function.
10633 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10634 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10635 basic block parameter to be able to clean out basic block when not
10637 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10638 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10639 Fixed to properly delete information if df is unused before
10642 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10644 PR rtl-optimization/25799
10645 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10646 Corrected confluence operator to remove bits from op2 before oring
10647 with op1 rather than removing bits from op1.
10648 (df_ru_transfer_function): Corrected test on wrong bitmap which
10649 caused infinite loop. Both of these problems were introduced in
10650 the dataflow rewrite.
10652 2006-01-19 DJ Delorie <dj@redhat.com>
10654 * reload1.c (find_reload_regs): Note the details of reload
10655 failures in the dump file.
10656 (spill_failure): Likewise.
10658 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10660 * loop-iv.c: Include df.h and hashtab.h.
10661 (enum iv_grd_result): New enum.
10662 (DF_REF_IV, DF_REF_IV_SET): New macros.
10663 (struct biv_entry): New.
10664 (df, bivs): New global variables.
10665 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10666 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10668 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10669 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10670 analyzed_for_bivness_p, record_biv): New functions.
10671 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10672 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10673 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10675 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10677 (iv_number_of_iterations): Use new interface to iv analysis.
10678 * loop-unroll.c: Do not include varray.h.
10679 (analyze_iv_to_split_insn): Use new interface to iv
10681 * loop-unswitch.c (may_unswitch_on): Ditto.
10682 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10684 (df_bb_modify): Realloc tables to the new index.
10685 (df_find_use): New function.
10686 * df.h (df_find_use): Declare.
10687 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10689 * cfgloop.h (struct rtx_iv): Remove analysed field.
10690 (iv_get_reaching_def): Removed.
10691 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10692 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10693 (loop-iv.o): Add df.h and hashtab.h dependency.
10694 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10696 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10699 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10701 (__floatundisf, __floatundidf): Likewise.
10702 * libgcc2.h (IS_IBM_EXTENDED): Define.
10704 2006-01-19 DJ Delorie <dj@redhat.com>
10706 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10708 2006-01-19 Paul Brook <paul@codesourcery.com>
10710 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10711 as nothrow when unwinding tables are disabled.
10713 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10716 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10717 of bit-field" when in system header.
10719 2006-01-19 DJ Delorie <dj@redhat.com>
10721 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10722 the 16 bit shift limit of the m16c.
10724 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10727 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10728 * config/i386/i386.c (output_set_got): Output the label if we have one
10729 for the TARGET_DEEP_BRANCH_PREDICTION case.
10731 2006-01-19 Jan Hubicka <jh@suse.cz>
10732 H.J. Lu <hongjiu.lu@intel.com>
10733 Evandro Menezes <evandro.menezes@amd.com>
10735 * invoke.texi (generic): Document
10737 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10738 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10739 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10740 (x86_use_incdec, x86_pad_returns): New variables
10741 (TARGET_CPU_DEFAULT_generic): New constant
10742 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10743 (enum processor_type): Add generic32 and generic64.
10744 * i386.md (cpu attribute): Add generic32/generic64
10745 (movhi splitter): Behave sanely when both partial_reg_dependency and
10746 partial_reg_stall are set.
10747 (K8 splitters): Enable for generic as well.
10748 * predicates.md (incdec_operand): Use TARGET_INCDEC
10749 (aligned_operand): Avoid memory mismatch stalls.
10750 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10751 * ppro.md: Enable for generic32
10752 * i386.c (generic64_cost, generic32_cost): New.
10753 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10754 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10755 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10756 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10757 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10758 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10759 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10760 x86_accumulate_outgoing_args, x86_prologue_using_move,
10761 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10762 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10763 Enable for generic.
10764 (x86_use_incdec, x86_pad_returns): New.
10765 (override_options): Add generic32 and generic64, translate "generic"
10766 to generic32/generic64 and "i686" to "generic32", refuse
10767 "generic32"/"generic64" as arch target.
10768 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10769 (ix86_reorg): Honor PAD_RETURNS.
10771 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10773 * tree-pretty-print.c (dump_generic_node): Handle
10774 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10775 * cgraph.c (cgraph_expand_queue): Rename from
10776 cgraph_analyze_queue. Update all users.
10777 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10778 cgraph_expand_queue.
10779 (cgraph_expand_all_functions): Likewise.
10780 (cgraph_finalize_pending_functions): Remove. Update callers.
10782 * tree.h (OMP_DIRECTIVE_P): Define.
10783 (OMP_PARALLEL_FN): Define.
10784 (OMP_PARALLEL_DATA_ARG): Define.
10785 (OMP_SECTIONS_SECTIONS): Define.
10786 * tree-pass.h (pass_expand_omp): Declare.
10787 * omp-low.c (struct omp_region): Declare.
10788 (struct omp_context): Remove fields 'parallel_type',
10789 'parallel_start_ix' and 'parallel_start_additional_args'.
10791 (struct omp_for_data): Rename from struct expand_omp_for_data.
10792 (omp_regions): New static variable.
10793 (root_omp_region): New static variable.
10794 (find_omp_clause): Make static.
10795 (is_in_combined_parallel_ctx): Remove.
10796 (is_combined_parallel): New.
10797 (extract_omp_for_data): Move earlier in the file.
10798 (workshare_safe_to_combine_p): New.
10799 (get_ws_args_for): New.
10800 (determine_parallel_type): Move earlier in the file.
10801 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10803 (omp_copy_decl): Likewise.
10804 (create_omp_child_function): Likewise.
10805 (lookup_omp_region): New.
10806 (dump_omp_region): New.
10807 (debug_omp_region): New.
10808 (debug_all_omp_regions): New.
10809 (new_omp_region): New.
10810 (scan_omp_parallel): If parallel_nesting_level > 1, the
10811 directive is nested within another parallel directive.
10812 Set OMP_PARALLEL_FN.
10813 (scan_omp_for): Do not try to handle combined parallel+for
10815 Remove FIXME comment.
10816 (scan_omp_nested): Remove.
10817 (scan_omp_1): Do not call scan_omp_nested when
10818 parallel_nesting_level is > 1.
10819 Do not change the DECL_CONTEXT of local variables found.
10820 (lookup_decl_in_outer_ctx): New.
10821 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10822 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10823 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10824 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10825 If CTX is nested, lookup VAR in the outer context when
10826 building copy assignment.
10827 (lower_send_clauses): Rename from expand_send_clauses.
10828 If CTX is nested, lookup VAR in the outer context when
10829 building copy assignments.
10830 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10831 If CTX is nested, lookup VAR in the outer context when
10832 building copy assignments.
10833 (expand_parallel_call): Rename from build_parallel_call.
10834 Handle combined parallel+workshare cases.
10835 Re-implement to emit code into the CFG.
10837 (expand_omp_parallel): Re-implement to emit code into the CFG.
10838 Call move_sese_region_to_fn to outline the sub-graph
10839 containing the parallel region.
10840 (expand_omp_for_1): Remove.
10841 (expand_omp_for_generic): Re-implement to emit code into the
10843 (expand_omp_for_static_nochunk): Likewise.
10844 (expand_omp_for_static_chunk): Likewise.
10845 (expand_omp_for): Likewise.
10846 (expand_omp_sections): Likewise.
10847 (remove_exit_barriers): New.
10848 (expand_omp_synch): New.
10850 (build_omp_regions_1): New.
10851 (build_omp_regions): New.
10852 (execute_expand_omp): New.
10853 (gate_expand_omp): New.
10854 (pass_expand_omp): Define.
10855 (lower_omp_sections): Rename from expand_omp_sections.
10856 Set OMP_SECTIONS_SECTIONS.
10857 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10858 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10859 (lower_omp_single): Rename from expand_omp_simple.
10860 (lower_omp_master): Rename from expand_omp_master.
10861 (lower_omp_ordered): Rename from expand_omp_ordered.
10862 (lower_omp_critical): Rename from expand_omp_critical.
10863 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10864 (lower_omp_for): Re-implement.
10865 (lower_omp_parallel): Re-implement.
10866 (lower_regimplify): Rename from expand_regimplify.
10867 (lower_omp_1): Rename from expand_omp_1.
10868 If there are syntax errors in the program, replace every
10869 OpenMP directive with NOP.
10870 Call lower_omp_* instead of expand_omp_*.
10871 (lower_omp): Rename from expand_omp.
10873 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10874 * tree-gimple.h (enum omp_parallel_type): Remove.
10875 (gimple_boolify): Declare extern.
10876 (find_omp_clause, determine_parallel_type): Remove.
10878 * gimple-low.c (lower_omp_directive): New.
10879 (lower_stmt): Call it.
10880 (record_vars_into): Move from ...
10881 (record_vars): ... here.
10882 Call record_vars_into with current_function_decl.
10884 * gimplify.c (struct gimplify_ctx): Remove fields
10885 combined_pre_p and combined_ctxp. Update users.
10886 (get_formal_tmp_var): Add documentation.
10887 (gimple_boolify): Make extern.
10888 (gimplify_expr_in_ctx): Remove. Update callers.
10889 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10890 will always be a BIND_EXPR.
10891 (gimplify_expr): Handle OMP_RETURN_EXPR.
10892 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10893 (OMP_PARALLEL): Add 3 operands.
10894 (OMP_SECTIONS): Add 1 operand.
10895 (OMP_RETURN_EXPR): Define.
10897 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10898 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10899 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10900 creating a circular free list.
10901 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10903 * tree-flow.h (move_sese_region_to_fn): Declare.
10904 (record_vars_into): Declare.
10905 * tree-cfg.c (make_omp_sections_edges): New.
10906 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10907 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10908 OMP_SECTIONS and OMP_SECTION.
10909 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10910 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10911 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10912 (gather_blocks_in_sese_region): New.
10913 (struct move_stmt_d): Declare.
10914 (move_stmt_r): New.
10915 (move_block_to_fn): New.
10916 (move_sese_region_to_fn): New.
10918 * passes.c (init_optimization_passes): Schedule
10919 pass_expand_omp after pass_init_datastructures.
10921 * tree-ssa-operands.c (get_expr_operands): Handle
10922 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10923 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10925 2006-01-19 Jeff Law <law@redhat.com>
10927 * tree-vrp.c (extract_range_from_assert): Refine the result range
10928 if the variable referenced by the ASSERT_EXPR has a range and
10929 either the tentative result range or the previous range is a
10932 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10934 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10936 2006-01-19 Jan Hubicka <jh@suse.cz>
10938 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10940 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10942 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10943 (expand_compound_operation, expand_field_assignment): Fail if the
10944 bit lengths of an extract operation are out of range.
10945 (make_extraction): Compute wanted_inner_mode based on the position
10946 and length of the extraction. Make it extraction_mode for non-constant
10947 positions, and do not modify offset in that case. When generating a
10948 new MEM, use a mode that can hold the extraction while keeping correct
10949 alignment. Remove code that supported MEMs wrapped by USEs.
10950 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10952 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10954 * config/s390/s390.md ("Y", "y"): New mode attribute.
10955 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10956 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10957 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10958 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10959 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10960 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10961 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10962 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10963 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10964 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10965 "addsi3", "subsi3"): Insn patterns removed.
10966 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10967 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10968 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10969 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10970 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10971 "*sub<mode>3_cconly2"): New insn patterns.
10972 ("addsi3", "subsi3"): New expanders.
10974 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10976 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10977 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10978 existing STMT_VINFO_VECTYPE if available.
10979 (vect_mark_relevant): Add special handling for stmts that are
10980 marked as STMT_VINFO_IN_PATTERN_P.
10981 (vect_analyze_loop): Call vect_pattern_recog.
10982 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10983 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10985 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10986 (vect_recog_func_ptr): New function-pointer type.
10987 * tree-vect-patterns.c: New file.
10988 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10989 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10990 (vect_pattern_recog_1): New functions.
10991 (vect_pattern_recog_funcs): New array of function pointers.
10993 * tree-vectorizer.h (ternary_op): New enum value.
10994 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10995 declaration. Revised documentation. Removed redundant dump prints.
10996 Removed redundant argument. Added support for reduction patterns.
10997 (vectorizable_reduction): Added support for reduction patterns.
10998 (vect_transform_stmt): Added support for patterns.
11000 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11001 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11002 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11003 (expand_widen_pattern_expr): New function.
11004 (init_optabs): Initialize new optabs udot_prod_optab,
11006 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11007 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11008 (expand_widen_pattern_expr): New function declaration.
11009 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11011 * tree-inline.c (estimate_num_insns_1): Added cases for new
11012 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11013 * tree-pretty-print.c (dump_generic_node): Likewise.
11014 (op_prio): Likewise.
11015 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11016 * tree-ssa-operands.c (get_expr_operands): Added case for
11018 * tree-vect-patterns.c (widened_name_p): New function.
11019 (vect_recog_dot_prod_pattern): Added function implementation.
11020 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11021 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11022 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11023 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11025 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11026 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11027 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11028 (init_optabs): Initialize new optabs widen_ssum_optab,
11030 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11031 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11032 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11033 use instead of type of def.
11034 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11035 function implementation.
11036 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11037 widen_ssumv8hi): New.
11039 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11042 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11045 * c-decl.c (add_flexible_array_elts_to_size): New function.
11046 (finish_decl): Use it.
11048 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11050 * diagnostic.h: Include options.h.
11051 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11052 dependancies for diagnostic.h.
11053 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11055 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11057 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11058 (ssa_ro_call_cache_valid): Ditto.
11059 * tree-ssa-alias.c (sort_tags_by_id): New function.
11060 (init_transitive_clobber_worklist): Ditto.
11061 (add_to_worklist): Ditto.
11062 (mark_aliases_call_clobbered): Ditto.
11063 (compute_tag_properties): Ditto.
11064 (set_initial_properties): Ditto.
11065 (compute_call_clobbered): Ditto.
11066 (compute_may_aliases): Call compute_call_clobbered and grouping.
11067 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11068 (compute_flow_insensitive_aliasing): Grouping now happens in our
11070 (setup_pointers_and_addressables): Remove clobbering related code.
11071 (add_may_alias): Ditto.
11072 (replace_may_alias): Ditto.
11073 (get_nmt_for): Ditto.
11074 (create_global_var):
11075 (is_escape_site): Return an escape_type enumeration.
11076 * tree-flow-inline.h (is_call_clobbered): Global var does not
11077 imply call clobbered.
11078 (mark_call_clobbered): Take a reason for marking this. Remove
11079 marking of globalness, and cache invalidation.
11080 (clear_call_clobbered): Remove cache invalidation code.
11081 * tree-dfa.c (dump_variable): If details is on, dump the reason
11083 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11085 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11086 (struct var_ann_d): Ditto.
11087 (enum escape_type): New.
11088 (mark_call_clobbered): Adjust prototype.
11089 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11090 are never call clobbered.
11091 Record reasons for escaping.
11092 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11093 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11094 (ssa_ro_call_cache_valid): Ditto.
11095 (clobbered_v_may_defs): Ditto.
11096 (clobbered_vuses): Ditto.
11097 (ro_call_vuses): Ditto.
11098 (clobber_stats): New.
11099 (init_ssa_operands): Zero out clobber stats.
11100 (fini_ssa_operands): Print out clobber stats.
11101 (get_call_expr_operands): Pass callee fndecl to
11102 add_call_read_ops).
11103 (add_call_clobber_ops): Remove use of cache.
11104 Add use of PURE_CONST information.
11105 (add_call_read_ops): Remove use of cache.
11106 Add use of static not_read information.
11108 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11110 Introduce TLS descriptors for i386 and x86_64.
11111 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11112 (TARGET_ANY_GNU_TLS): New macro.
11113 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11114 (struct machine_function): Add tls_descriptor_call_expanded_p.
11115 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11116 (ix86_current_function_calls_tls_descriptor): Likewise.
11117 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11118 (override_options): Introduce gnu2 tls dialect.
11119 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11121 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11123 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11124 (ix86_init_machine_status): Initialize new field.
11125 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11126 (ix86_tls_module_base): New.
11127 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11128 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11129 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11130 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11131 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11132 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11133 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11134 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11135 * config/i386/predicates.md (tls_modbase_operand): New.
11136 (tp_or_register_operand): New.
11138 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11140 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11141 (look_for_address_of): Ditto.
11142 (ipa_init): Walk the function decls.
11143 (static_execute): Don't set readonly on FUNCTION_DECL's.
11145 2006-01-18 Roger Sayle <roger@eyesopen.com>
11147 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11148 for shifts where the source and destination registers are different.
11150 2006-01-18 Paul Brook <paul@codesourcery.com>
11152 Merge from csl-arm-branch.
11153 2005-03-14 Julian Brown <julian@codesourcery.com>
11154 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11155 (aeabi_llsl): Likewise.
11156 (ashrdi3): Likewise.
11157 (aeabi_lasr): Likewise.
11158 (lshrdi3): Likewise.
11159 (aeabi_llsr): Likewise.
11160 2005-03-10 Julian Brown <julian@codesourcery.com>
11161 * config.gcc: Disable shared libgcc for SymbianOS.
11162 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11164 2006-01-18 DJ Delorie <dj@redhat.com>
11166 * c-pragma.c (handle_pragma_diagnostic): New.
11167 (init_pragma): Register it.
11168 * doc/extend.texi: Document it.
11170 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11171 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11172 (diagnostic_context): Add classify_diagnostic[].
11173 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11174 as errors if they're overridden to DK_WARNING.
11175 (diagnostic_initialize): Initialize classify_diagnostic[].
11176 (diagnostic_set_kind_override): New.
11177 (diagnostic_report_diagnostic): Check for kind changes.
11178 * opts.c (common_handle_option): Take lang_mask. Update callers.
11179 Handle OPT_Werror_.
11180 * common.opt (Werror=): New.
11181 * doc/invoke.texi: Document -Werror=*
11183 2006-01-18 Jeff Law <law@redhat.com>
11185 * tree-vrp.c (test_for_singularity): Correct test for new
11186 min limit. Use operand_equal_p rather than pointer equality
11187 for testing if new min/max values are equal.
11189 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11190 using range information until after propagation and folding.
11192 2006-01-18 Richard Henderson <rth@redhat.com>
11193 Aldy Hernandez <aldyh@redhat.com>
11194 Jakub Jelinek <jakub@redhat.com>
11195 Diego Novillo <dnovillo@redhat.com>
11197 * omp-low.c: New file.
11198 * c-omp.c: New file.
11200 2006-01-18 Richard Henderson <rth@redhat.com>
11201 Jakub Jelinek <jakub@redhat.com>
11202 Diego Novillo <dnovillo@redhat.com>
11204 * doc/invoke.texi: Document -fopenmp.
11205 * tree-dump.h (debug_function): Declare.
11206 * hooks.c (hook_bool_tree_bool_false): New function.
11207 (hook_tree_tree_null): Remove.
11208 (hook_tree_tree_tree_null): New.
11209 * hooks.h: Update to match.
11210 * tree-pretty-print.c (debug_tree_chain): New.
11211 (print_generic_expr): Handle TDF_CHAIN.
11212 (dump_generic_node): Handle BLOCK.
11213 Do not abort with incomplete SWITCH_EXPRs.
11214 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11215 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11216 print space after directive name.
11217 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11218 Handle OMP_MASTER and OMP_ORDERED.
11219 Handle printing of OMP_BODY just in one place, goto
11220 dump_omp_body in the rest of OMP_* nodes that have
11222 Don't handle clause nodes here. Update omp statements to
11223 use dump_omp_clauses.
11224 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11225 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11226 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11227 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11228 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11229 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11230 Adjust output for GOMP_PARALLEL.
11231 (dump_omp_clauses): New.
11232 (print_declaration): Dump DECL_VALUE_EXPR.
11233 (op_symbol_1): Split out of op_symbol.
11234 (dumping_stmts): Remove. Update all users.
11235 * cgraph.c (cgraph_analyze_queue): New.
11236 (cgraph_add_new_function): New.
11237 * cgraph.h (cgraph_analyze_queue): Declare.
11238 (cgraph_add_new_function): Declare.
11239 (cgraph_lower_function): Remove.
11240 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11241 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11242 and TYPE_P nodes in its default clause.
11243 (empty_body_p): New.
11244 (tree_range_check_failed): New.
11245 (build5_stat): New.
11246 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11247 OMP_CLAUSE_REDUCTION_MERGE,
11248 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11249 OMP_CLAUSE_PRIVATE_DEBUG,
11250 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11251 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11252 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11253 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11254 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11255 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11256 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11257 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11258 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11259 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11260 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11261 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11262 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11263 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11264 (TREE_RANGE_CHECK): New.
11265 (empty_body_p): Declare.
11266 (enum omp_clause_default_kind): New.
11267 (build_string_literal): Declare.
11268 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11269 (build5_stat, build5): Declare.
11270 * tree-pass.h (TDF_CHAIN): Define.
11271 * tree-pass.h (PROP_gimple_lomp): Define.
11272 (pass_lower_omp): Declare.
11273 * diagnostic.h (debug_tree_chain): Declare.
11274 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11276 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11277 * builtins.c (build_string_literal): Make extern.
11278 * gcc.c (include_spec_function): New.
11279 (static_spec_functions): Add it.
11280 (main): Move load of libgomp.spec ...
11281 (LINK_COMMAND_SPEC): ... here.
11282 (link_gomp_spec): New.
11283 (static_specs): Include it.
11284 (LINK_COMMAND_SPEC): Add link_gomp.
11285 (GOMP_SELF_SPECS): New.
11286 (driver_self_specs): Include it.
11287 (switch_matches): Don't mark inline.
11288 (main): Load libgomp.spec.
11289 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11290 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11291 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11292 * tree-gimple.h (enum omp_parallel): Declare.
11293 (determine_parallel_type): Declare.
11294 (omp_firstprivatize_variable): Declare.
11295 (omp_reduction_init): Declare.
11296 (diagnose_omp_structured_block_errors): Declare.
11297 (struct walk_stmt_info): Add want_return_expr.
11298 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11299 (find_omp_clause): Declare.
11300 (insert_field_into_struct): Declare.
11301 (struct walk_stmt_info): Move from tree-nested.c
11302 (walk_stmts): Declare.
11303 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11305 * cgraphunit.c (cgraph_lower_function): Make static.
11306 (cgraph_finalize_pending_functions): New.
11307 (cgraph_finalize_function): Call it.
11308 (cgraph_finalize_compilation_unit): Likewise.
11309 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11310 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11311 (BT_FN_UINT_UINT): New.
11312 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11313 DEF_FUNCTION_TYPE_VAR_4): Document.
11314 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11315 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11316 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11317 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11318 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11319 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11320 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11321 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11322 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11323 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11324 into separate files.
11325 (DEF_GOMP_BUILTIN): New.
11326 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11327 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11328 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11329 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11330 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11331 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11332 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11333 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11334 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11335 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11336 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11337 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11338 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11339 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11340 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11341 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11342 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11343 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11344 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11345 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11346 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11347 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11348 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11349 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11350 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11351 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11352 * sync-builtins.def: New file, moved from builtins.def.
11353 * omp-builtins.def: New file, moved from builtins.def.
11354 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11355 * gimple-low.c (lower_function_body): Clear data.
11356 (lower_stmt): Do not handle COMPOUND_EXPR.
11357 Remove call to print_node_brief.
11358 * c-tree.h (c_finish_omp_clauses): New prototype.
11359 (C_DECL_THREADPRIVATE_P): Define.
11360 (lookup_name_no_remap, c_omp_remap_private): Remove
11361 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11362 (check_for_loop_decls): Update decl.
11363 (lookup_name_no_remap, c_omp_remap_private): Declare.
11364 (build_indirect_ref, build_modify_expr, pushdecl,
11365 pushdecl_top_level): Move to c-common.h.
11366 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11367 before the switch, but just in the 2 places that need it.
11368 * c-decl.c (diagnose_mismatched_decls): Do not check for
11369 mismatched thread-local attributes when OLDDECL is marked
11370 threadprivate and NEWDECL has no thread-local attributes.
11371 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11372 (c_gimple_diagnostics_recursively): Rename from
11373 c_warn_unused_result_recursively. Invoke
11374 diagnose_omp_structured_block_errors.
11375 (check_for_loop_decls): Return a singular decl found.
11376 * langhooks.c (lhd_omp_predetermined_sharing): Return
11377 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11378 (lhd_omp_firstprivatize_type_sizes): New.
11379 (lhd_omp_assignment): New.
11380 (lhd_omp_predetermined_sharing): New.
11381 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11382 (struct lang_hooks_for_types): Add
11383 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11384 omp_predetermined_sharing, omp_disregard_value_expr,
11385 omp_private_debug_clause, omp_clause_default_ctor,
11386 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11387 (c_finish_omp_clauses): New.
11388 (c_finish_bc_stmt): Diagnose break within omp for.
11389 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11390 (build_unary_op): Return error_mark after reporting
11392 (build_modify_expr): Likewise.
11393 * gimplify.c: Include optabs.h and pointer-set.h.
11394 (enum gimplify_omp_var_data): Declare.
11395 (struct gimplify_omp_ctx): Declare.
11396 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11398 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11399 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11400 (splay_tree_compare_decl_uid): New.
11401 (new_omp_context): New.
11402 (delete_omp_context): New.
11403 (gimple_add_tmp_var): Call omp_add_variable.
11404 (gimplify_bind_expr): Likewise.
11405 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11406 true, disregard DECL_VALUE_EXPR on the decl if any.
11407 (gimplify_expr_in_ctx): New.
11408 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11409 omp_add_variable, omp_notice_variable, omp_is_private
11410 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11411 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11412 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11413 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11414 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11415 gimplify_omp_atomic): New.
11416 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11417 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11418 OMP_CRITICAL and OMP_ATOMIC.
11419 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11420 * c-pragma.h (enum pragma_kind): Add
11421 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11422 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11423 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11424 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11425 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11426 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11427 PRAGMA_OMP_THREADPRIVATE.
11428 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11429 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11430 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11431 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11432 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11433 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11434 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11435 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11436 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11437 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11438 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11439 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11440 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11442 (struct nesting_info): Add field_map,
11443 suppress_expansion, debug_var_chain.
11444 (create_nesting_tree): Initialize them.
11445 (lookup_field_for_decl): Use field_map.
11446 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11447 (convert_local_omp_clauses): New.
11448 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11449 (walk_body): Split out of walk_function.
11450 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11451 (convert_nonlocal_reference): Handle omp statements.
11452 (convert_local_reference): Likewise.
11453 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11454 (unnest_nesting_tree): New.
11455 (lower_nested_functions): Call it.
11456 (insert_field_into_struct): Make extern.
11457 (struct walk_stmt_info): Move to tree-gimple.h.
11458 (walk_stmts): Make extern.
11459 * omp-builtins.def: New file.
11460 * tree-iterator.c (expr_only): Clarify comment.
11461 * c-common.h (pushdecl_top_level, pushdecl,
11462 build_modify_expr, build_indirect_ref,
11463 c_finish_omp_master, c_finish_omp_critical,
11464 c_finish_omp_ordered, c_finish_omp_barrier,
11465 c_finish_omp_atomic, c_finish_omp_flush,
11466 c_finish_omp_for, c_split_parallel_clauses,
11467 omp_clause_default_kind, c_omp_sharing_predetermined,
11468 c_omp_remap_decl): Declare.
11469 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11470 (OBJS-common): Add omp-low.o.
11471 (c-omp.o, omp-low.o): Add.
11472 (gimplify.o): Add dependency on $(OPTABS_H).
11473 (GTFILES): Add omp-low.c.
11474 (gt-stringpool.h): Add.
11475 * tree-cfg.c (set_bb_for_stmt): Do not update the
11476 block-to-labels map if we are currently expanding to RTL.
11477 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11479 Handle IDENTIFIER_NODE.
11480 (tree_verify_flow_info): Do not ICE when emitting error
11481 messages about invalid labels.
11482 (dump_function_to_file): Reset CFUN before emitting the body
11484 (debug_function): New.
11485 * passes.c (init_optimization_passes): Schedule
11487 * langhooks-def.h (lhd_omp_predetermined_sharing,
11488 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11490 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11491 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11492 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11493 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11494 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11495 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11496 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11497 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11498 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11499 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11500 (LANG_HOOK_DECLS): Use them.
11502 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11503 Richard Henderson <rth@redhat.com>
11504 Jakub Jelinek <jakub@redhat.com>
11505 Diego Novillo <dnovillo@redhat.com>
11507 * c-parser.c (pragma_omp_clause): Define.
11508 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11509 (c_parser_compound_statement): Likewise.
11510 (c_parser_statement): Likewise.
11511 (c_parser_pragma): Handle omp pragmas.
11512 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11513 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11514 (c_parser_omp_clause_name, check_no_duplicate_clause,
11515 c_parser_omp_variable_list,
11516 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11517 c_parser_omp_clause_copyprivate,
11518 c_parser_omp_clause_default,
11519 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11520 c_parser_omp_clause_lastprivate,
11521 c_parser_omp_clause_nowait,
11522 c_parser_omp_clause_num_threads,
11523 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11524 c_parser_omp_clause_reduction,
11525 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11526 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11527 c_parser_omp_atomic, c_parser_omp_barrier,
11528 c_parser_omp_critical, c_parser_omp_flush,
11529 c_parser_omp_for_loop, c_parser_omp_for,
11530 c_parser_omp_master, c_parser_omp_ordered,
11531 c_parser_omp_sections_scope, c_parser_omp_sections,
11532 c_parser_omp_parallel, c_parser_omp_single,
11533 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11534 * c-pragma.c (init_pragma): Do omp pragma registration here.
11535 * c.opt (fopenmp): New flag.
11537 2006-01-18 Eric Christopher <echristo@apple.com>
11539 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11540 * config/darwin.h (GOMP_SELF_SPECS): Define.
11542 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11544 * rtl.h: Remove the prototype for reg_alloc.
11546 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11549 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11550 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11551 sjlj and dwarf2 exception handling.
11552 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11553 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11554 * pa/pa.c (function_value): Treat complex and vector types as
11556 (function_arg): Likewise. Only pass scalar floats in the floating
11557 point argument registers.
11558 * pa/t-slibgcc-dwarf-ver: New file.
11559 * pa/t-slibgcc-sjlj-ver: New file.
11560 * pa/t-slibgcc-elf-ver: Delete file.
11562 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11564 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11565 unlikely_test_section_p test.
11567 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11569 * mode-switching.c (optimize_mode_switching): Make it static.
11570 * basic-block.h: Remove the prototype for
11571 optimize_mode_switching.
11573 * modulo-sched.c (sms_schedule): Make it static.
11574 * rtl.h: Remove the prototype for sms_schedule.
11576 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11577 * rtl.h: Remove the prototype for gcse_after_reload_main.
11579 * reg-stack.c (reg_to_stack): Make it static.
11580 * rtl.h: Remove the prototype for reg_to_stack.
11582 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11584 * rtl.h: Remove the prototypes for regrename_optimize and
11585 copyprop_hardreg_forward.
11587 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11589 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11590 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11591 Test against the appropriate null constant for the mode.
11592 If 'fixup_overlap' is true, swap the operands if they overlap.
11593 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11594 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11595 alpha_split_tmode_pair and adjust for above change.
11596 * config/alpha/alpha.md (movtf_internal): Adjust call to
11597 alpha_split_tfmode_pair and rely on it to swap the operands.
11598 (movti_internal): New insn and post-reload splitter.
11599 (movti): New expander.
11601 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11603 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11606 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11608 * rtlanal.c (global_reg_mentioned_p_1,
11609 global_reg_mentioned_p): Remove.
11610 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11612 * flow.c (initialize_uninitialized_subregs): Make it static.
11613 * rtl.h: Remove the prototype for
11614 initialize_uninitialized_subregs.
11616 * function.c (instantiate_virtual_regs): Make it static.
11617 * function.h: Remove the prototype for
11618 instantiate_virtual_regs.
11620 * regmove.c (regmove_optimize, combine_stack_adjustments):
11622 * rtl.h: Remove the prototypes for regmove_optimize and
11623 combine_stack_adjustments.
11625 2006-01-17 Roger Sayle <roger@eyesopen.com>
11627 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11628 (size_cost): Encode costs in bytes so that a reg-reg addition is
11629 equivalent to COSTS_N_INSNS(1).
11630 (override_options): Use the size_cost.branch_cost as the default
11631 ix86_branch_cost when optimizing for size.
11633 2006-01-18 Ben Elliston <bje@au.ibm.com>
11635 * Makefile.in (D32PBIT_FUNCS): New.
11636 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11637 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11638 D64PBIT_FUNCS and D128PBIT_FUNCS.
11639 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11640 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11642 (decnumber_dep): Define.
11643 * doc/libgcc.texi (Decimal float library routines): New node.
11644 * config/dfp-bit.h, config/dfp-bit.c: New files.
11646 2006-01-18 Ben Elliston <bje@au.ibm.com>
11648 * expr.c (emit_move_change_mode): Always adjust addresses, not
11649 just during reload. Copy replacements only during reload.
11650 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11651 emit_move_via_integer.
11653 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11655 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11656 instead of $(srcdir) and ${srcdir}.
11658 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11661 PR middle-end/11135
11662 * arm.h (struct machine_function): Add pic_reg.
11663 * arm.c (arm_pic_register): Make unsigned.
11664 (arm_override_options): Only set arm_pic_register if
11665 TARGET_SINGLE_PIC_BASE.
11666 (use_return_insn): Only test for a pic register if it is fixed.
11667 (arm_compute_save_reg0_reg12_mask): Likewise.
11668 (thumb_compute_save_reg_mask): Likewise.
11669 (legitimate_pic_operand): Factor out some known invariants.
11670 (legitimize_pic_address): If we don't have a fixed pic register,
11671 then set up a pseudo in the function entry sequence. Handle the
11672 pic base being in a pseudo.
11673 (arm_load_pic_register): Handle the pic register being in a pseudo.
11674 (arm_expand_prologue): Only set up the pic register if it is fixed.
11675 (thumb_expand_prologue): Likewise.
11676 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11677 (pic_load_addr_based_insn): Likewise.
11678 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11681 2006-01-18 Ben Elliston <bje@au.ibm.com>
11683 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11684 decimal float modes for all floating point registers.
11686 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11687 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11689 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11692 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11693 even when the pointer is not NULL.
11695 2006-01-16 Ian Lance Taylor <ian@airs.com>
11697 * common.opt (ftoplevel-reorder): New option.
11698 * cgraph.c (cgraph_asm_nodes): New global variable.
11699 (cgraph_asm_last_node): New static variable.
11700 (cgraph_order): New global variable.
11701 (cgraph_create_node): Set new order field.
11702 (cgraph_varpool_node): Likewise.
11703 (decide_is_variable_needed): Return true if not
11704 flag_toplevel_reorder.
11705 (cgraph_add_asm_node): New function.
11706 * cgraph.h (struct cgraph_node): Add order field.
11707 (struct cgraph_varpool_node): Add order field.
11708 (struct cgraph_asm_node): Define.
11709 (cgraph_asm_nodes, cgraph_order): Declare.
11710 (cgraph_add_asm_node): Declare.
11711 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11713 (cgraph_varpool_assemble_pending_decls): Call it.
11714 (cgraph_output_pending_asms): New static function.
11715 (cgraph_finalize_compilation_unit): Call it.
11716 (struct cgraph_order_sort): Define.
11717 (cgraph_output_in_order): New static function.
11718 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11719 !flag_toplevel_reorder case.
11720 * c-parser.c: Include "cgraph.h".
11721 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11723 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11724 than -fno-unit-at-a-time.
11725 * doc/invoke.texi (Option Summary): Mention
11726 -fno-toplevel-reorder.
11727 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11728 -funit-at-a-time documentation.
11730 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11731 Kazu Hirata <kazu@codesourcery.com>
11733 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11735 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11737 * Makefile.in (FUNCTION_H): New. Use it instead of
11738 function.h throughout the file.
11739 * function.h: Include tree.h.
11741 2006-01-17 Ben Elliston <bje@au.ibm.com>
11743 * recog.c: Separate some functions with whitespace.
11745 2006-01-16 Richard Henderson <rth@redhat.com>
11747 Merge from gomp branch:
11748 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11749 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11750 and rename from struct inline_data. Rename callee* to dst*;
11751 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11752 transform_new_cfg, transform_return_to_modify, and
11753 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11755 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11756 (copy_decl_for_dup): Remove.
11757 * tree-inline.c (struct inline_data): Move to header.
11758 (insert_decl_map): Export.
11759 (remap_decl): Update for member name changes. Use copy_decl hook.
11760 Allow for replacement to be a non-decl. Remove dead code.
11761 (remap_type_1): Check for existing mapping.
11762 (remap_type): Export.
11763 (remap_decls): Update for member name changes.
11764 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11765 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11766 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11767 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11768 (tree_function_versioning, build_duplicate_type): Likewise.
11769 (copy_body_r): Likewise. Export.
11770 (copy_decl_for_dup): Split into ...
11771 (copy_decl_for_dup_finish, copy_decl_to_var,
11772 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11773 (replace_ref_tree, inlining_p): Remove.
11775 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11777 * ifcvt.c (if_convert): Make it static.
11778 * rtl.h: Remove the prototype for if_convert.
11780 * local-alloc.c (local_alloc): Make it static.
11781 * rtl.h: Remove the prototype for local_alloc.
11783 * loop.c (loop_optimize): Make it static.
11784 * cfgloop.h: Remove the prototype for loop_optimize.
11787 2006-01-16 DJ Delorie <dj@redhat.com>
11789 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11792 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11794 * pa.md: Disparage copies between general and floating-point registers
11795 in 32-bit move patterns.
11797 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11800 * Makefile.in (check-%): Depend on site.exp instead of
11801 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11804 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11806 * global.c (global_alloc): Make it static.
11807 * rtl.h: Remove the prototype for global_alloc.
11809 2006-01-16 Richard Guenther <rguenther@suse.de>
11811 * tree-ssa-alias.c (struct used_part): Add write_only field.
11812 (get_or_create_used_part_for): Initialize it to true.
11813 (create_overlap_variables_for): Don't create structure variables
11814 for structures that only are written to.
11815 (find_used_portions): Handle MODIFY_EXPR to track whether a
11816 structure is only written to.
11818 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11820 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11822 * basic-block.h: Remove the prototype for
11823 partition_hot_cold_basic_blocks.
11825 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11827 * cppspec.c (lang_specific_spec_functions): Remove.
11828 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11829 * gcc.h (lang_specific_spec_functions): Remove.
11830 * gccspec.c (lang_specific_spec_functions): Remove.
11832 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11834 * combine.c (record_value_for_reg): Invalidate registers
11836 (record_dead_and_set_regs_1): Likewise, by passing them to
11837 record_value_for_reg.
11838 (record_dead_and_set_regs): Invalidate stores made by a
11839 call. We do not combine across a call, but we still
11840 relied on equivalences.
11842 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11844 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11845 vrp_int_const_binop returning non-constant nodes.
11847 2006-01-16 Paul Brook <paul@codesourcery.com>
11849 * config/m68k/m68k.c (output_move_const_into_data_reg):
11850 Output correct mnemonic for mvz and mvs.
11852 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11854 * rtl-factoring.c: Add sequence abstraction algorithm.
11855 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11856 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11858 (block_has_preserve_label): New function.
11859 * common.opt: Register new pass.
11860 * Makefile.in: Ditto.
11862 * timevar.def: Ditto.
11863 * tree-pass.h: Ditto.
11864 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11865 * rtl.h (make_jump_insn_raw): Add forward decl.
11866 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11868 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11869 Roger Sayle <roger@eyesopen.com>
11871 * fold-const.c (fold_minmax): New static function.
11872 (fold_binary) <MIN_EXPR>: Call it.
11873 <MAX_EXPR>: Likewise.
11874 * stor-layout.c (place_field): Use DECL_SIZE consistently
11875 in the computation of the new record size.
11877 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11879 * cse.c (cse_condition_code_reg): Make it static.
11880 * rtl.h: Remove the prototype for cse_condition_code_reg.
11882 * combine.c (combine_instructions): Make it static.
11883 * rtl.h: Remove the prototype for combine_instructions.
11885 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11888 * tree.c (get_file_function_name_long): Concatenate the first global
11889 object name with a string derived from the input filename of the object
11892 2006-01-16 Ben Elliston <bje@au.ibm.com>
11894 * config/i386/winnt-stubs.c: Update FSF address.
11895 * config/xtensa/ieee754-df.S: Ditto.
11896 * config/xtensa/ieee754-sf.S: Ditto.
11898 2006-01-14 Ian Lance Taylor <ian@airs.com>
11900 * ifcvt.c (noce_init_if_info): New static function, broken out of
11901 noce_process_if_block.
11902 (noce_process_if_block): Call noce_init_if_info.
11903 (check_cond_move_block): New static function.
11904 (cond_move_process_if_block): New static function.
11905 (process_if_block): Call cond_move_process_if_block.
11907 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11909 * cselib.c (hash_table): Rename to cselib_hash_table.
11910 (cselib_clear_table, discard_useless_values,
11911 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11912 cselib_init, cselib_finish): Adjust uses of hash_table.
11914 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11916 PR tree-optimization/25485
11917 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11918 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11919 is known to be false and true, respectively.
11921 2006-01-14 Richard Guenther <rguenther@suse.de>
11923 PR tree-optimization/22548
11924 PR tree-optimization/22555
11925 PR tree-optimization/22501
11926 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11927 * params.def (salias-max-array-elements): New parameter.
11928 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11929 * doc/invoke.texi (salias-max-array-elements): Document.
11930 * tree-flow-inline.h (var_can_have_subvars): We also handle
11932 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11934 * tree-ssa-structalias.c (params.h): Include.
11935 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11936 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11937 (get_constraint_for): For ADDR_EXPR operating on something
11938 containing an ARRAY_REF, add all subvars to the solution.
11939 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11940 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11941 for creating MUST_DEFs.
11942 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11944 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11946 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11948 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11949 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11950 number_of_iterations_le): New functions.
11951 (number_of_iterations_special): Removed.
11952 (number_of_iterations_exit): Do not use number_of_iterations_special.
11953 * tree.c (unsigned_type_for): Always return integer type.
11955 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11956 Richard Guenther <rguenther@suse.de>
11958 PR rtl-optimization/24257
11959 * gcse.c (find_moveable_store): Only consider a store movable
11960 when the SET_SRC of the insn can be assigned to a register.
11962 2006-01-14 Ian Lance Taylor <ian@airs.com>
11964 * tree.c (tree_not_class_check_failed): New function.
11965 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11966 (tree_not_class_check_failed): Declare.
11968 2006-01-13 Ian Lance Taylor <ian@airs.com>
11970 * reload1.c (do_output_reload): Add assertion rejecting a
11973 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11975 * combine.c (struct reg_stat): Add new fields truncation_label and
11977 (record_value_for_reg): Reset truncated_to_mode.
11978 (record_truncated_value): New function.
11979 (check_promoted_subreg): Call it. Rename to check_conversions.
11980 (combine_instructions): Rename check_promoted_subreg to
11982 (reg_truncated_to_mode): New function.
11983 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11984 (gen_lowpart_or_truncate): New function.
11985 (force_to_mode): Use it instead of gen_lowpart.
11987 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11989 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11990 VAR is a tag, not its type tag.
11992 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11994 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11995 alternatives to match style of other entries.
11996 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11998 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12000 PR tree-optimization/25771
12001 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12004 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12007 * tree-inline.c (declare_return_variable): If the return variable
12008 was marked as a non gimple complex, set the return slot variable
12009 to be a non gimple comple variable.
12011 2006-01-13 Richard Guenther <rguenther@suse.de>
12013 * builtins.c (expand_builtin_sincos): New function.
12014 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12016 (expand_builtin): Expand sincos using expand_builtin_sincos.
12018 2006-01-12 DJ Delorie <dj@redhat.com>
12020 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12021 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12022 so that constant shifts can be split.
12023 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12024 (m32c_valid_pointer_mode): Make static.
12025 (shift_gen_func_for): New.
12026 (m32c_prepare_shift): Use it. Split large const shifts into
12028 * config/m32c/predicates.md (shiftcount_operand): Allow more
12030 (longshiftcount_operand): New.
12031 * doc/md.texi (Machine Constraints): Document In6.
12033 2006-01-13 Ben Elliston <bje@au.ibm.com>
12035 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12036 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12039 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12041 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12042 to try to avoid clobbering pieces of structures when we know
12043 something about the whole structure.
12044 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12046 2006-01-13 Ben Elliston <bje@au.ibm.com>
12048 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12049 return in memory, as this is no limitation is no longer present.
12051 2006-01-12 DJ Delorie <dj@redhat.com>
12053 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12054 mova with fb, and for fb+0 -> An.
12056 * config/m32c/mov.md (peephole2): Fix enabling logic.
12058 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12059 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12060 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12061 FINI_ARRAY_SECTION_ASM_OP): Define.
12063 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12065 (m32c_legitimize_reload_address): New logic to reload FB to An.
12066 (m32c_output_reg_push): Add newline.
12067 (m32c_output_reg_pop): Likewise.
12069 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12071 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12073 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12075 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12077 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12079 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12082 2006-01-11 Ben Elliston <bje@au.ibm.com>
12084 * rtlanal.c (find_reg_note): Assert insn is not null.
12086 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12088 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12091 2006-01-11 Jeff Law <law@redhat.com>
12093 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12095 (mark_threaded_blocks, register_jump_thread): New functions.
12096 (thread_through_all_blocks): Remove unwanted argument. No
12097 longer rely on e->aux to communicate thread target info.
12098 Call mark_threaded_blocks. Release the threaded_blocks
12099 bitmap and threaded_edges vector when complete.
12100 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12101 (threaded_blocks): Remove.
12102 (tree_ssa_dominator_optimize): Remove initialization and
12103 finalization of threaded_blocks. Simplify call to
12104 thread_through_all_blocks.
12105 (thread_across_edge): Call register_jump_thread rather than
12106 storing thread information into e->aux.
12107 (free_all_edge_infos): Simplify now that e->aux is no longer
12108 used to communicate with thread_through_all_blocks.
12109 * tree-flow.h (thread_through_all_blocks): Update prototype.
12110 (register_jump_thread): Prototype.
12112 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12114 * df-core.c (df_compact_blocks, df_bb_replace): Use
12115 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12117 2006-01-11 Richard Guenther <rguenther@suse.de>
12119 PR tree-optimization/25734
12120 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12121 stop propagation after successful propagation to the LHS.
12123 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12125 * basic-block.h (control_flow_graph): Change the type of
12126 x_basic_block_info to VEC(basic_block,gc) *.
12127 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12129 (SET_BASIC_BLOCK): New.
12130 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12131 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12132 * cfgbuild.c (find_basic_blocks): Likewise.
12133 * cfglayout.c (fixup_reorder_chain): Likewise.
12134 * cfgrtl.c (create_basic_block_structure,
12135 rtl_create_basic_block): Likewise.
12136 * ifcvt.c (find_if_case_1): Likewise.
12137 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12140 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12142 * Makefile.in: Removed rotted odf.c entry.
12144 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12147 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12148 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12149 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12150 output pattern modifier, not %e.
12151 * config/cris/cris.c (cris_op_str): Update comment about pattern
12153 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12154 before falling through into...
12155 <case 'E'>: Redefined from old 'e' case.
12157 2006-01-11 Jan Hubicka <jh@suse.cz>
12160 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12162 2006-01-11 Jan Hubicka <jh@suse.cz>
12164 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12165 * i386.c (x86_decompose_lea): Kill.
12166 (ix86_rtx_costs): Kill.
12168 2006-01-11 Jan Hubicka <jh@suse.cz>
12170 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12171 * cgraph.h (cgraph_node): Add inline_decl.
12172 (cgraph_insert_node_to_hashtable): Declare.
12173 (save_inline_function_body): Declare.
12174 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12176 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12177 (cgraph_function_versioning): Update call of tree_function_versioning.
12178 (save_inline_function_body): New function.
12179 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12180 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12181 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12182 (cgraph_default_inline_p): Likewise.
12183 (cgraph_decide_inlining_incrementally): Likewise.
12184 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12185 (copy_bb): Kill saving; do updating of clones.
12186 (copy_cfg_body): Kill saving.
12187 (initialize_inlined-parameters): Likewise.
12188 (expand_call_inline): Likewise.
12190 (tree_function_versioning): New parameter "update_clones".
12191 (inlining_p): Kill saving.
12192 * tree-inline.h (tree_function_versioning): Update prototype.
12193 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12196 2006-01-11 Ian Lance Taylor <ian@airs.com>
12198 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12199 Allow undoing set of machine mode.
12200 (do_SUBST): Use enums instead of is_int.
12201 (do_SUBST_MODE): New function.
12202 (SUBST_MODE): New macro.
12203 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12204 reg and trying to replace reg_regno_rtx with a new register.
12205 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12206 (simplify_set): Use SUBST_MODE.
12207 (distribute_notes): Remove code that tried to update reg notes
12208 for regno_reg_rtx changes.
12210 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12212 PR tree-optimization/23109
12213 PR tree-optimization/23948
12214 PR tree-optimization/24123
12216 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12217 * tree-cfg.c (single_noncomplex_succ): New.
12218 * tree-flow.h (single_noncomplex_succ): Declare it.
12219 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12220 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12221 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12222 insert_bb, register_division_in, insert_reciprocals,
12223 replace_reciprocal, free_bb): New.
12224 (execute_cse_reciprocals_1): Rewritten.
12225 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12226 Do not commit any edge insertion. Always compute dominators and
12227 create the allocation pool.
12228 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12229 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12230 * targhooks.c (default_min_divistions_for_recip_mul): New.
12231 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12232 * passes.c (init_optimization_passes): Run recip after tree loop
12234 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12236 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12237 Kenneth Zadeck <zadeck@naturalbridge.com>
12239 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12240 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12241 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12242 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12243 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12244 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12245 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12246 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12247 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12248 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12249 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12250 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12251 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12252 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12253 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12254 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12255 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12256 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12257 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12258 DF_SCAN_POST_ALLOC): New macros.
12259 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12260 df_free_bb_function, df_local_compute_function, df_init_function,
12261 df_dataflow_function, df_confluence_function_0,
12262 df_confluence_function_n, df_transfer_function,
12263 df_finalizer_function, df_free_function, df_dump_problem_function,
12264 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12265 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12266 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12267 df_urec_bb_info, ) New types.
12268 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12270 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12271 df_analyze_simple_change_some_blocks,
12272 df_analyze_simple_change_one_block, df_compact_blocks,
12273 df_bb_replace, df_bb_regno_last_use_find,
12274 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12275 df_insn_regno_def_p, df_find_def, df_find_use,
12276 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12277 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12278 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12279 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12280 debug_df_chain, df_get_dependent_problem, df_chain_create,
12281 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12282 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12283 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12284 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12285 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12286 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12287 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12288 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12289 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12290 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12291 df_reorganize_refs, df_set_state, df_hard_reg_init,
12292 df_read_modify_subreg_p) New public functions.
12293 * df-core.c: The core dataflow solver and glue routines for rtl
12295 (df_init, df_add_problem, df_set_blocks, df_finish,
12296 df_hybrid_search_forward, df_hybrid_search_backward,
12297 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12298 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12299 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12300 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12301 df_reg_defined, df_find_use, df_reg_used, df_dump,
12302 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12303 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12304 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12305 debug_df_useno, reset_df_after_reload): New functions.
12306 * df-scan.c: The scanning fuctions, once in df.c, completely
12307 rewritten so that they now fully model the functionality of
12308 register usage at the backend.
12309 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12310 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12311 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12312 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12313 df_get_artificial_defs, df_get_artificial_uses,
12314 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12315 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12316 df_refs_delete, df_reorganize_refs, df_set_state,
12317 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12318 df_def_record_1, df_defs_record, df_uses_record,
12319 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12320 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12321 df_record_exit_block_uses, df_hard_reg_init): New functions.
12323 * df-problems.c: Seven concrete dataflow problems that use the
12324 scanning in df-scan.c and are solved by the engine in df-core.c.
12325 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12326 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12327 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12328 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12329 df_ru_free_bb_info, df_ru_alloc,
12330 df_ru_bb_local_compute_process_def,
12331 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12332 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12333 df_ru_transfer_function, df_ru_free, df_ru_dump,
12334 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12335 df_rd_free_bb_info, df_rd_alloc,
12336 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12337 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12338 df_rd_transfer_function, df_rd_free, df_rd_dump,
12339 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12340 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12341 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12342 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12343 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12344 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12345 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12346 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12347 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12348 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12349 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12350 df_urec_mark_reg_use_for_earlyclobber,
12351 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12352 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12353 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12354 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12355 df_chain_create_bb_process_use, df_chain_create_bb,
12356 df_chain_finalize, df_chain_free, df_chains_dump,
12357 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12358 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12359 df_reg_lifetime): New functions.
12360 * df.c: Deleted file.
12361 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12362 consistent with new df api.
12363 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12364 rest_of_handle_sms): Ditto.
12365 * web.c (unionfind_union, union_defs, entry_register, web_main):
12367 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12368 invariant_expr_equal_p, find_defs, check_dependencies,
12369 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12370 free_inv_motion_data, move_loop_invariants): Ditto.
12371 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12372 Update dependencies.
12373 (odf.c): Added defective entry that was deleted later in day.
12374 * sched-deps.c (sched_analyze_1): Ditto.
12376 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12378 * tree-ssa-operands.c (get_expr_operands): Record addressable
12379 variables directly. Do not call add_stmt_operands for CONST_DECLs
12381 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12382 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12384 2006-01-11 Ben Elliston <bje@au.ibm.com>
12386 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12387 function returns true in the positive case.
12389 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12392 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12393 for SI, DI, SF and DF modes. Add alternatives to copy between
12394 general and floating point registers to the 32-bit patterns.
12395 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12396 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12397 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12398 generating 64-bit code.
12399 * config/pa/pa.c (output_move_double): Handle copies between general
12400 and floating registers.
12402 2006-01-10 Stuart Hastings <stuart@apple.com>
12404 * config/i386/i386.md (set_got): Update.
12405 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12406 (builtin_setjmp_receiver): Mach-O support.
12407 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12408 (GOT_SYMBOL_NAME): Define.
12409 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12410 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12411 * config/i386/i386.c (override_options): Revise for Darwin.
12412 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12413 support. (darwin_x86_file_end): New. (output_set_got): Add label
12414 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12415 * config/i386/i386-protos.h (output_set_got): Likewise.
12416 * config/darwin.c (machopic_legitimize_pic_address): Update
12419 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12421 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12422 when MODE isn't BLKmode.
12424 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12426 PR rtl-optimization/25367
12427 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12429 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12432 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12433 for a negative bound.
12435 2006-01-10 Richard Guenther <rguenther@suse.de>
12437 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12438 Never override with anything constraint.
12440 2006-01-10 Jan Beulich <jbeulich@novell.com>
12442 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12443 256 bits when optimize_size.
12445 2006-01-10 Jan Beulich <jbeulich@novell.com>
12447 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12449 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12450 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12453 2006-01-10 Ben Elliston <bje@au.ibm.com>
12455 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12457 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12458 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12459 (USE_FP_FOR_ARG): Reject decimal float modes.
12460 (function_arg_advance): Likewise.
12461 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12462 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12463 point types in AltiVec vectors.
12464 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12465 (rs6000_libcall_value): Likewise.
12467 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12469 * config/xtensa/ieee754-df.S: New file.
12470 * config/xtensa/ieee754-sf.S: New file.
12471 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12472 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12473 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12475 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12477 * config/sh/predicates.md (binary_float_operator,
12478 binary_logical_operator, commutative_float_operator,
12479 equality_comparison_operator, greater_comparison_operator,
12480 less_comparison_operator, logical_operator,
12481 noncommutative_float_operator, shift_operator,
12482 symbol_ref_operand, unary_float_operator): Remove redundant
12485 2006-01-09 Jeff Law <law@redhat.com>
12487 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12488 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12489 now unused arguments. Callers updated.
12490 (eliminate_redundant_computations): Remove now unused arguments,
12492 (local_fold): Remove, no longer used.
12493 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12495 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12496 (simplify_cond): New function.
12497 (forward_propagate_into_cond): Call simplify_cond.
12499 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12501 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12502 (*vec_extractv2di_1_sse): New.
12504 2006-01-09 Ben Elliston <bje@au.ibm.com>
12506 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12508 2006-01-08 Richard Guenther <rguenther@suse.de>
12510 * tree-ssa-structalias.c (get_constraint_for): Remove
12511 anyoffset argument.
12512 (get_constraint_for_component_ref): Likewise.
12513 (do_deref): Likewise.
12514 (get_constraint_for): Likewise.
12515 (do_structure_copy): Likewise.
12516 (handle_ptr_arith): Likewise.
12517 (find_func_aliases): Likewise. Remove unused need_anyoffset
12520 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12521 Kaz Kojima <kkojima@gcc.gnu.org>
12523 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12524 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12525 (EXTRA_CONSTRAINT_C16): Remove.
12526 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12527 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12528 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12529 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12530 constants of SHmedia. Handle nested constant expressions of
12532 (andcosts): Fix the costs for SHmedia constants.
12533 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12534 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12535 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12536 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12537 (movv4hi_i, movv2si_i): Likewise.
12538 (movsi_const): Adjust the second operand of ior so to match with
12539 the Csu constraint.
12540 (movdi_const, movdi_const_32bit): Likewise.
12541 (movdi_const_16bit+1): Don't sign-extend LOW.
12542 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12544 (*double_shori): Fix the split condition. Use GEN_INT instead
12545 of get_int_mode calls. Mask lower 16-bit of the argument of
12547 (sym2GOTPLT): Remove.
12548 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12550 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12551 instead of EXTRA_CONSTRAINT_C16.
12553 2006-01-07 Ian Lance Taylor <ian@airs.com>
12554 David Edelsohn <edelsohn@gnu.org>
12556 PR rtl-optimization/25662
12557 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12558 for constant operands instead of simplify_gen_binary.
12559 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12560 after trying simplify_binary_operation
12562 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12564 * tree.c (iterative_hash_expr): Hash decls based on UID.
12566 2006-01-06 Eric Christopher <echristo@apple.com>
12568 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12569 (TARGET_UNWIND_EMIT): Fix spelling.
12570 * target.h (gcc_target): Add except_table_label.
12571 * except.c (output_function_exception_table): Use.
12572 * varasm.c (default_emit_except_table_label): New.
12573 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12575 (asm_out): Add here.
12576 * output.h (default_emit_except_table_label): Prototype.
12577 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12578 * config/darwin.c (darwin_emit_except_table_label): Define.
12579 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12581 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12583 PR tree-optimization/18527
12584 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12585 number_of_iterations_special, number_of_iterations_exit):
12586 Move base and step of an iv to a single structure. Add
12587 no_overflow flag, and use it in # of iterations analysis.
12588 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12589 folded_casts argument.
12590 (simple_iv): Pass base and step in a structure. Set no_overflow
12592 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12593 Evaluate expensiveness of computing # of iterations instead of
12594 the final expression.
12595 * tree-scalar-evolution.h (affine_iv): New structure.
12596 (simple_iv): Declaration changed.
12597 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12598 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12599 find_givs_in_stmt): Changed due to simple_iv change.
12601 2006-01-06 Jeff Law <law@redhat.com>
12604 * tree-cfg.c (bsi_replace): Rename final argument from
12605 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12606 change (stmt -> orig_stmt).
12607 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12608 (bsi_remove): Add new argument. Remove EH information
12610 (verify_eh_throw_table_statements): New function.
12611 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12613 * tree-optimize.c (execute_free_cfg_annotations): Verify
12614 the EH throw statement table after removing annotations.
12615 * except.h (verify_eh_throw_table_statements): Prototype.
12616 * tree-flow.h (bsi_remove): Update prototype.
12617 * tree-vrp.c (remove_range_assertions): Add new argument to
12619 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12620 * tree-complex.c (expand_complex_div_wide): Likewise.
12621 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12622 * tree-tailcall.c (eliminate_tailcall): Likewise.
12623 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12624 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12625 * tree-nrv.c (tree_nrv): Likewise.
12626 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12627 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12628 (combine_blocks): Likewise.
12629 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12630 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12631 (cleanup_control_flow): Likewise.
12632 (remove_forwarder_block): Likewise.
12633 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12634 * tree-sra.c (sra_replace): Likewise.
12635 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12636 (forward_propagate_single_use_vars): Likewise.
12637 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12638 * tree-inline.c (expand_call_inline): Likewise.
12639 * tree-vect-transform.c (vect_transform_loop): Likewise.
12640 * tree-outof-ssa.c (rewrite_trees): Likewise.
12641 * tree-cfg.c (make_goto_expr_edges): Likewise.
12642 (cleanup_dead_labels): Likewise.
12643 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12644 (bsi_move_before, bsi_move_after): Likewise.
12645 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12646 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12648 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12651 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12653 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12654 on non gimple variables. Also add checks at the top for decls and
12656 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12658 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12659 and IMAGPART_EXPR for creating MUST_DEFs.
12660 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12661 and NAME_MEMORY_TAG separately from the DECLs.
12663 2006-01-06 Richard Guenther <rguenther@suse.de>
12665 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12666 annotation, if necessary.
12667 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12668 redundant calls to update_stmt.
12669 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12672 2006-01-05 Richard Henderson <rth@redhat.com>
12674 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12676 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12678 * c-typeck.c: Update copyright date.
12680 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12682 * c-typeck.c (build_c_cast): Always warn when casting
12683 from a pointer to an integer of different size, even if
12684 the node was constant.
12686 2006-01-05 Richard Guenther <rguenther@suse.de>
12688 PR tree-optimization/22555
12689 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12690 if one structure field is an array.
12691 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12692 operands even if we found a subvar, but ignore VOPs in this
12694 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12696 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12698 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12700 PR middle-end/24998
12701 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12703 2006-01-05 Richard Guenther <rguenther@suse.de>
12704 Diego Novillo <dnovillo@redhat.com>
12706 * tree-pass.h (TODO_remove_unused_locals): Define.
12707 * gimple-low.c (expand_var_p, remove_useless_vars,
12708 pass_remove_useless_vars): Remove. Update all users.
12709 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12710 (remove_unused_locals): New function.
12711 * tree-flow.h (remove_unused_locals): Declare.
12712 * passes.c (execute_todo): Call remove_unused_locals if
12713 TODO_remove_unused_locals is set.
12714 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12715 * tree-ssa-dce.c (pass_dce): Likewise.
12716 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12718 2006-01-05 Richard Guenther <rguenther@suse.de>
12720 * tree-flow.h (struct fieldoff): Decompose field to
12721 type, size and decl.
12722 * tree-ssa-alias.c (create_sft): Take type as parameter.
12723 (create_overlap_variables_for): Store type, size and decl
12724 in the fieldoff structure.
12725 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12726 of struct fieldoff.
12727 (push_fields_onto_fieldstack): Likewise.
12728 (create_variable_info_for): Likewise. Use offset for the
12729 SFT name if the decl is not available.
12731 2006-01-04 Paul Brook <paul@codesourcery.com>
12733 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12735 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12737 * lambda-code.c (can_put_in_inner_loop): Relax
12739 (can_put_after_inner_loop): New function.
12740 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12741 (perfect_nestify): Change to make copies and modify uses.
12743 2006-01-04 Richard Henderson <rth@redhat.com>
12745 Merge from gomp branch:
12746 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12747 via integer constant.
12748 (pragma_lex): Remove.
12749 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12750 rather than parsing it.
12751 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12752 handle_pragma_extern_prefix): Add %< %> quotes.
12753 (registered_pragmas): New.
12754 (c_register_pragma_1): New.
12755 (c_register_pragma): Use it.
12756 (c_register_pragma_with_expansion): Likewise.
12757 (c_invoke_pragma_handler): New.
12758 (init_pragma): Use cpp_register_deferred_pragma directly for
12760 * c-pragma.h (enum pragma_kind): New.
12761 (pragma_handler): New.
12762 (c_invoke_pragma_handler): Declare.
12763 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12765 * c-common.h (c_common_pch_pragma): Update decl.
12766 * Makefile.in (c-parser.o): Update dependencies.
12767 (GTFILES): Add c-pragma.h.
12768 * c-parser.c (struct c_token): Add pragma_kind.
12769 (struct c_parser): Add in_pragma.
12770 (c_lex_one_token): Always initialize keyword and pragma_kind.
12771 Extract data for CPP_PRAGMA.
12772 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12773 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12774 Don't allow CPP_PRAGMA_EOL if in_pragma.
12775 (c_parser_consume_pragma): New.
12776 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12777 (c_parser_skip_to_end_of_parameter): Likewise.
12778 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12779 (c_parser_skip_to_pragma_eol): New.
12780 (c_parser_external_declaration): Handle CPP_PRAGMA.
12781 (c_parser_compound_statement_nostart): Likewise.
12782 (c_parser_statement_after_labels): Likewise.
12783 (c_parser_pragma): New.
12784 (pragma_lex): Likewise.
12785 (c_parser_pragma_pch_preprocess): New.
12786 (c_parser_new): Merge into ...
12787 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12789 2006-01-04 Jeff Law <law@redhat.com>
12792 * tree-cfg.c (bsi_replace): Remove the original statement
12793 from the EH throw statement table.
12795 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12797 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12798 make the prototype extern "C" and add throw ().
12801 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12802 and pos non-negative and pos + len <= 32.
12803 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12804 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12805 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12808 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12809 as well as sizes not multiple of component size.
12812 * function.c (instantiate_expr): New function.
12813 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12814 walk its DECL_VALUE_EXPR with instantiate_expr.
12816 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12817 DW_OP_deref{,_size} if address isn't going to be added.
12819 2006-01-04 Ben Elliston <bje@au.ibm.com>
12821 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12822 * config/fp-bit.c: Likewise.
12824 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12826 * dominance.c: Add comment about why we use DFS numbering
12829 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12830 Richard Henderson <rth@redhat.com>
12832 Merge from gomp-branch:
12833 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12834 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12836 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12838 PR rtl-optimization/25578
12839 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12840 pass a parameter to simplify_shift_const if changing ASHIFTRT
12843 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12845 * builtins.c (get_builtin_sync_mem): New function.
12846 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12847 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12848 Call get_builtin_sync_mem to generate mem rtx.
12850 2006-01-03 Richard Guenther <rguenther@suse.de>
12853 * stmt.c (add_case_node): Make sure to clear overflow flags
12856 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12858 Merge from gomp-branch.
12859 * config/sparc/sync.md: New file.
12860 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12861 UNSPECV_LDSTUB): New constants.
12862 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12863 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12864 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12867 2006-01-03 Roger Sayle <roger@eyesopen.com>
12869 * combine.c (reg_subword_p): New predicate to test whether the
12870 destination of a set refers to a subword/piece of a register.
12871 (try_combine): Generalize the code to merge the setting of a
12872 pseudo to a constant followed by a set of a subword of that
12873 register to a constant.
12875 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12877 * basic-block.h (control_flow_graph): Change the type of
12878 x_label_to_block_map to VEC(basic_block,gc) *.
12879 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12880 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12882 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12883 VEC(basic_block,heap) *.
12884 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12885 ssa_prop_fini): Adjust the uses of cfg_blocks.
12887 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12889 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12891 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12892 hashing trees instead of a pointer hash.
12893 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12894 compare for MEM_EXPR.
12896 PR rtl-optimization/25130
12897 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12898 when comparing MEMs for GCSE
12900 2006-01-03 Ben Elliston <bje@au.ibm.com>
12902 * targhooks.h (default_decimal_float_supported_p): Declare.
12903 * targhooks.c (default_decimal_float_supported_p): Define.
12904 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12905 `default_decimal_float_supported_p'.
12906 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12908 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12910 * combine.c (apply_distributive_law <SUBREG>): Check
12911 TRULY_NOOP_TRUNCATION.
12913 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12915 * dwarf2out.c (have_switched_text_section): Delete.
12916 (have_multiple_function_sections): New.
12917 (have_location_lists): Make 'bool'.
12918 (add_AT_loc_list): Use 'true' not '1'.
12919 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12920 (output_loc_list): Use have_multiple_function_sections.
12921 (output_ranges): Likewise.
12922 (dwarf2out_begin_function): Set have_multiple_function_sections if
12924 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12925 Check function_section rather than DECL_SECTION_NAME.
12926 (dwarf2out_finish): Use have_multiple_function_sections.
12927 Don't clear have_location_lists.
12929 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12930 Jan Hubicka <jh@suse.cz>
12932 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12933 case of conditional jump jumping to the next instruction.
12934 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12935 cases of conditional jump jumping to the next instruction.
12937 2006-01-02 Jan Hubicka <jh@suse.cz>
12939 * i386.c (*_cost): Add COSTS_N_INSNS.
12940 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12942 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12945 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12947 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12949 * config/arm/arm.c (all_fpus): Fix comment typo.
12950 * config/darwin.c: Likewise.
12951 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12952 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12953 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12955 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12957 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12958 (rs6000_split_compare_and_swapqhi): New.
12959 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12960 (sync_compare_and_swapqhi_internal): New.
12961 * config/rs6000/rs6000-protos.h: Declare.