1 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3 PR tree-optimization/28218
5 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6 to calculate and free the dominator information.
8 2006-07-04 Peter O'Gorman <peter@pogma.com>
10 * mklibgcc.in: chmod 644 before ranlib during install.
12 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
13 J"orn Rennecke <joern.rennecke@st.com>
15 * configure.ac (.eh_frame data check): Use diff -b.
17 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
20 * Makefile.in (BUILD_RTL): Add build/vec.o.
21 (build/gencondmd.o): Filter out -fkeep-inline-functions.
22 (build/genextract): Delete.
23 (build/genautomata): Likewise.
25 2006-07-04 Alan Modra <amodra@bigpond.net.au>
28 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
29 128-bit IBM long doubles for ABI_V4.
31 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
33 * tree.c (range_in_array_bounds_p): New predicate.
34 * tree.h (range_in_array_bounds_p): Declare it.
35 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
36 return a less conservative answer.
37 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
39 (IS_ELEMENT_FOR_GROUP): New macro.
40 (FOR_EACH_ACTUAL_CHILD): Likewise.
41 (next_child_for_group): New helper function.
42 (can_completely_scalarize_p): Take into account groups.
43 (sra_hash_tree): Handle RANGE_EXPR.
44 (sra_elt_eq): Likewise.
45 (lookup_element): Be prepared for handling groups.
46 (is_valid_const_index): Delete.
47 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
48 instead of is_valid_const_index.
49 <ARRAY_RANGE_REF>: New case.
50 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
52 <ARRAY_RANGE_REF>: Do not unconditionally punt.
53 (scan_dump): Dump info for groups too.
54 (decide_instantiation_1): Likewise.
55 (decide_block_copy): Assert that the element is not a group.
56 Propagate decision to groups.
57 (generate_one_element_ref): Handle RANGE_EXPR.
58 (mark_no_warning): Iterate over actual childs.
59 (generate_copy_inout): Likewise.
60 (generate_element_copy): Likewise.
61 (generate_element_zero): Likewise.
62 (generate_element_init_1): Likewise.
63 (dump_sra_elt_name): Handle RANGE_EXPR.
65 2006-07-03 Roger Sayle <roger@eyesopen.com>
67 PR tree-optimization/26251
68 * tree-ssa-threadupdate.c (redirection_block_p): New function.
69 (thread_block): When optimizing for size refuse to thread jumps
70 that would require duplication of blocks other than redirection
73 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
75 * configure.ac: Fix thinko in previous check-in.
76 * configure: Regenerate.
78 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
81 * configure.ac (for lang...): Simplify nesting of conditionals.
82 Test subdir_requires for non-enabled languages. Move processing
83 of lang_opt_files and lang_tree_fiels below that test.
84 * configure: Regenerate.
85 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
87 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
89 * doc/gcov.texi (Invoking Gcov): Add a missing word.
91 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
93 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
96 2006-06-29 Jason Merrill <jason@redhat.com>
103 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
104 * c-common.c (c_determine_visibility): Handle it here.
105 * c-decl.c (finish_decl): Call c_determine_visibility for
107 * flags.h (enum symbol_visibility): Sort from most to least visibility.
109 * varasm.c (default_assemble_visibility): Likewise.
110 * c-common.c (handle_visibility_attribute): Complain about trying
111 to give visibility to an already defined class, or trying to change
112 declared visibility. Always attach the attribute.
117 * attribs.c (decl_attributes): Ignore type-in-place attributes
118 once the type has been defined.
120 2006-06-29 Roger Sayle <roger@eyesopen.com>
123 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
124 to indicate the cpplib has issued an error message for us.
126 2006-06-29 Asher Langton <langton2@llnl.gov>
129 * config/i386/i386.c (ix86_output_function_epilogue): Don't
130 insert a label at the end of an function under Mach-O.
132 2006-06-29 Eric Christopher <echristo@apple.com>
133 Evan Cheng <evan.cheng@apple.com>
135 * predicates.md (vector_all_ones_operand): New.
136 (nonimmediate_or_sse_const_operand): Ditto.
137 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
138 * config/i386/i386.c (standard_sse_constant_opcode): Define.
139 (standard_sse_mode_p): Ditto.
140 (standard_sse_constant_p): Add case for -1 vector.
141 (ix86_expand_vector_move): Try to use.
142 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
143 Call standard_sse_constant_opcode.
144 (*movv4sf_internal): Ditto.
145 (*movv2df_internal): Ditto.
147 2006-06-29 Roger Sayle <roger@eyesopen.com>
149 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
150 of XEXP to extract the operands of a MATCH_CODE rtx.
152 2006-06-28 Andrew Pinski <pinskia@gmail.com>
154 * tree.c (tree_size): Do not waste tail padding in
155 struct tree_string and make the size be the same as
156 build_string will generate.
158 2006-06-28 Jason Merrill <jason@redhat.com>
161 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
162 may_aliases already in the tag's annotations to the bitmap.
164 2006-06-28 Roger Sayle <roger@eyesopen.com>
166 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
168 2006-06-28 Roger Sayle <roger@eyesopen.com>
170 * genpreds.c (generate_switch_p): New function.
171 (add_mode_tests): Push the new mode test down inside an AND expr
172 if this allows the switch-suitable MATCH_CODE to be near the root.
173 (write_match_code_switch): New function to write a MATCH_CODE as
175 (write_predicate_stmts): New function to write a predicate RTX
176 expression as a sequence of statements.
177 (write_one_predicate_function): Use write_predicate_stmts.
178 (write_tm_constrs_h): Likewise.
180 2006-06-26 Fred Fish <fnf@specifix.com>
182 * config/mips/t-sb1: New file.
183 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
186 2006-06-26 DJ Delorie <dj@redhat.com>
188 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
190 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
191 Jayant Sonar <jayants@kpitcummins.com>
192 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
194 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
195 (subsi3, subsi3_1, subsi3_2): New.
196 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
197 * config/m32c/mov.md (SI mov peephole): New.
198 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
199 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
201 2006-06-26 Olivier Hainque <hainque@adacore.com>
203 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
204 a CALL_EXPR target function declaration.
206 2006-06-26 Richard Guenther <rguenther@suse.de>
208 * tree.c (build_string): Do not waste tail padding in
211 2006-06-26 Richard Guenther <rguenther@suse.de>
213 * ggc-page.c (init_ggc): Add missing element to size_lookup
217 2006-06-23 Richard Guenther <rguenther@suse.de>
219 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
220 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
221 alignment requests instead. Add verification code.
222 Add struct tree_function_decl and struct tree_binfo size to
223 extra_order_size_table. Add missing element to size_lookup
226 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
229 * fold-const.c (const_binop): Be prepared for self returning zero.
230 Simplify code handling complex values.
232 2006-06-24 Olivier Hainque <hainque@adacore.com>
234 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
235 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
238 2006-06-24 Olivier Hainque <hainque@adacore.com>
240 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
241 ARRAY_REF, so have the callback called for the low bound expression.
243 2006-06-23 Janis Johnson <janis187@us.ibm.com>
245 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
246 * c-typeck.c (c_common_type): Disallow operations on decimal float
247 types and other float types.
248 * convert.c (convert_to_real): Don't ignore conversions involving
251 2006-06-23 Olivier Hainque <hainque@adacore.com>
253 * tree.c (max_int_size_in_bytes): New function, inspired from
254 code in function.c:assign_temp.
255 * tree.h (max_int_size_in_bytes): Declare.
256 * function.c (assign_temp): Use it.
257 * gimplify.c (create_tmp_var): Relax the assertions on the type
258 properties, not mandating constant size any more.
259 (force_constant_size): New static function.
260 (gimple_add_tmp_var): Use it, forcing variable size to a
261 constant upper bound if it is not constant on entry.
263 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
266 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
267 for initialization and setting of one_only flag to ...
268 (i386_pe_encode_section_info): ...here.
269 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
270 Recheck that the symbol has not been defined.
272 2006-06-23 Richard Guenther <rguenther@suse.de>
274 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
275 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
276 alignment requests instead. Add verification code.
277 Add struct tree_function_decl and struct tree_binfo size to
278 extra_order_size_table. Add missing element to size_lookup
281 2006-06-22 Roger Sayle <roger@eyesopen.com>
282 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
285 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
286 call to lang_hooks.types.type_for_mode returned NULL_TREE.
288 2006-06-23 Ben Elliston <bje@au.ibm.com>
290 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
291 negate dn -- manipulate it directly.
293 2006-06-22 Roger Sayle <roger@eyesopen.com>
294 Steven Bosscher <stevenb.gcc@gmail.com>
297 * reload1.c (gen_reload): Call mark_jump_label on the new insns
298 generated by gen_move_insn to add REG_LABEL notes if necessary.
300 2006-06-22 Bob Wilson <bob.wilson@acm.org>
302 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
303 (leaf_entry): Remove use of MIN_ESA.
305 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
307 PR rtl-optimization/28121
308 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
311 2006-06-21 DJ Delorie <dj@redhat.com>
313 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
315 (mulhisi3_r): Likewise.
317 2006-06-21 Richard Sandiford <richard@codesourcery.com>
320 * coverage.c (coverage_counter_alloc): Leave the index type
322 (coverage_counter_alloc): Use null arguments for operands 2 and 3
325 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
327 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
328 section from the "Options for Code Generation Conventions".
330 2006-06-21 Richard Henderson <rth@redhat.com>
334 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
336 (global_symbolic_operand): Allow weak symbols, even if local_p.
338 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
340 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
341 (find_interesting_uses_address): Punt if above function returns true.
343 2006-06-21 Richard Guenther <rguenther@suse.de>
345 * configure: Regenerated.
347 2006-06-21 Joseph Myers <joseph@codesourcery.com>
349 * config/mips/mips.c (function_arg): Where one part of a
350 complex argument is in registers and the other part in the stack,
351 return a REG not a PARALLEL.
353 2006-06-21 Mark Mitchell <mark@codesourcery.com>
355 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
356 when cross-compiling. Do not substitute libstdcxx_incdir.
357 * configure: Regenerated.
359 2006-06-21 Jakub Jelinek <jakub@redhat.com>
361 * varasm.c (mergeable_string_section): Check for embedded NULs and
362 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
363 rather than TREE_STRING_LENGTH bytes.
365 2006-06-21 Richard Guenther <rguenther@suse.de>
367 * ggc-page.c (extra_order_size_table): Add var_ann_d,
368 tree_ssa_name, bitmap_element and phi_node with 4 arguments
371 2006-06-21 Richrad Guenther <rguenther@suse.de>
373 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
374 Limit iteration over the dominators.
376 2006-06-20 Roger Sayle <roger@eyesopen.com>
378 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
379 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
381 2006-06-20 Richard Guenther <rguenther@suse.de>
382 Michael Matz <matz@suse.de>
384 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
386 * alloc-pool.c (free_alloc_pool_if_empty): New function.
387 * et-forest.h (et_free_pools): Prototype new function.
388 * et-forest.c (et_free_tree_force): Free parent occurrence.
389 (et_free_pools): New function.
390 * dominance.c (free_dominance_info): Free et-forest alloc
393 2006-06-20 Roger Sayle <roger@eyesopen.com>
395 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
396 integer modes, attempt to directly construct an integer constant.
398 * fold-const.c (native_encode_vector): Determine the size of each
399 element from the vector type instead of the first vector element.
401 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
402 if all of its elements/components are constant.
403 (build_constructor_from_list): Likewise.
405 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
407 PR tree-optimization/27331
408 * tree-data-ref.c (free_data_ref): New function.
409 (create_data_ref): Fail if the data reference has unknown access
411 (free_data_refs): Use free_data_ref.
413 2006-06-19 Andrew Pinski <pinskia@gmail.com>
416 * tree-inline.c (setup_one_parameter): Strip useless
417 type conversion before adding it to the IR.
418 (declare_return_variable): Likewise.
420 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
423 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
425 2006-06-19 Mike Stump <mrs@apple.com>
427 * tree.c (variably_modified_type_p): VM arguments don't make the
430 2006-06-19 Richard Guenther <rguenther@suse.de>
432 * tree-ssa-pre.c (try_combine_conversion): Strip useless
433 type conversions after folding.
435 2006-06-19 Richard Guenther <rguenther@suse.de>
437 * ggc-page.c (extra_order_size_tab): Add entries with
438 size of struct function and basic_block.
439 (size_lookup): Extend to cover sizes up to 511.
440 (ggc_alloc_stat): Adjust user.
441 (ggc_pch_count_object): Likewise.
442 (ggc_pch_alloc_object): Likewise.
443 (ggc_pch_write_object): Likewise.
445 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
447 * tree-ssa-loop-niter.c (implies_ge_p): New function.
448 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
451 2006-06-19 Denis Chertykov <denisc@overta.ru>
453 * config/avr/libgcc.S : Correct my wrong previous commit.
455 2006-06-19 Roger Sayle <roger@eyesopen.com>
458 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
459 have stripped a SUBREG from the shift count, so we may need to
460 convert_to_mode back to the type's mode before calling make_tree.
461 Use new_amount instead of amount to avoid expanding a tree twice.
463 2006-06-19 Richard Guenther <rguenther@suse.de>
466 * fold-const.c (operand_equal_p): Check if the argument types
467 have the same precision before stripping NOPs.
469 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
471 Fix PR tree-optimization/27341
472 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
474 * tree-complex.c (pass_lower_complex): Update SMT usage.
476 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
478 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
479 Add a new alternative to the constraint strings. Add move of
480 operand 1 to 3 to the splitter definition.
481 ("doloop_si_long"): Second contraint alternative removed.
483 2006-06-08 Anatoly Sokolov <aesok@post.ru>
485 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
486 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
488 (AVR_HAVE_MOVW) Define.
489 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
490 (ASM_SPEC): Add avr25.
491 (LINK_SPEC): Add avr25.
492 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
493 (base_arch_s): Add new member 'have_movw_lpmx'.
494 (avr_arch_types): Init 'have_movw_lpmx'.
495 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
496 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
497 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
498 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
499 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
501 (avr_file_start): Do not output '.arh' derective.
502 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
503 (__do_copy_data): Use __AVR_HAVE_LPMX__.
504 * config/avr/avr.md (mcu_enhanced): Delete.
505 (mcu_have_movw): Define.
506 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
507 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
508 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
509 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
510 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
511 attiny861 and at86rf401 devices.
513 2006-06-18 Jie Zhang <jie.zhang@analog.com>
515 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
518 2006-06-17 Karl Berry <karl@gnu.org>
520 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
521 doc/gccint.texi, doc/install.texi (@dircategory): Use
522 "Software development" instead of "Programming", following
523 the Free Software Directory.
525 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
527 * config/i386/i386.c (legitimate_tls_address)
528 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
529 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
530 (*tls_dynamic_gnu2_combine_64): Likewise.
532 2006-06-16 Richard Guenther <rguenther@suse.de>
535 * fold-const.c (negate_expr_p): Do not introduce undefined
536 overflow in negating INTEGER_CSTs.
537 (fold_negate_expr): Rename from negate_expr. Revert last
538 change for folding BIT_NOT_EXPR. Change semantics to
539 return NULL_TREE for non-simplified negations. Do not
540 strip type conversions and unify type handling.
541 (negate_expr): New function, wrap around fold_negate_expr
542 but ensure building a tree always. Strip type conversions
543 here, fold to result type.
544 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
546 2006-06-16 Roger Sayle <roger@eyesopen.com>
549 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
550 that (would) return their results in stack registers.
552 2006-06-16 Michael Matz <matz@suse.de>
553 Richard Guenther <rguenther@suse.de>
555 * fold-const.c (fold_truthop): Only return new tree node if
556 we canonicalized something.
558 2006-06-16 Richard Guenther <rguenther@suse.de>
560 * function.h (enum function_frequency): Move declaration
561 out of struct function.
562 (struct function): Move bool fields and the enum to the bitfield
563 section. Reorder elements to avoid padding. Remove unused
564 fields left over from the RTL inliner removal.
565 * function.c (free_after_compilation): Do not zero removed fields.
566 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
567 (ipa-type-escape.o): Likewise.
569 2006-06-16 Richard Guenther <rguenther@suse.de>
571 * cgraph.h (struct cgraph_local_info): Turn bool elements
573 (struct cgraph_node): Likewise.
574 (struct cgraph_varpool_node): Likewise.
576 2006-06-15 Richard Guenther <rguenther@suse.de>
578 * fold-const.c (fold_truth_not_expr): Rename from
579 invert_truthvalue. Give it fold_* semantics to avoid
581 (invert_truthvalue): New function. Wrapper around
583 (optimize_minmax_comparison): Avoid creating garbage.
584 (fold_unary): Use fold_truth_not_expr for folding
586 (fold_ternary): Replace uses of invert_truthvalue with
587 fold_truth_not_expr where applicable.
588 * tree.h (fold_truth_not_expr): Prototype.
590 2006-06-16 Richard Guenther <rguenther@suse.de>
592 PR tree-optimization/27781
593 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
594 * ipa-pure-const.c (target.h): Include.
595 (analyze_function): Do not analyze functions that do not
598 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
601 * tree-dfa.c (referenced_vars_dup_list): Remove.
602 (find_referenced_vars): Remove assert.
603 (referenced_var_check_and_insert): Replace dup list with assert.
604 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
605 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
607 2006-06-15 Richard Guenther <rguenther@suse.de>
609 * tree-ssa-structalias.c (alias_get_name): Avoid creating
610 extra unused identifiers if not dumping.
611 (create_variable_info_for): Likewise.
613 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
615 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
616 (derive_constant_upper_bound): Derive more precise upper bound in
617 common cases. Return type changed to double_int.
618 (record_estimate): Reflect the changed return type of
619 derive_constant_upper_bound.
620 * double-int.c (double_int_zext, double_int_sext): Fix.
622 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
624 * configure.ac (CFLAGS): Get them from the toplevel or from the
625 configure invocation.
626 * configure: Regenerate.
627 * Makefile.in (CFLAGS): Substitute value provided by configure.
629 2006-06-14 Mark Mitchell <mark@codesourcery.com>
632 * c-common.h (c_finish_omp_atomic): Adjust declaration.
633 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
634 rather than calling add_stmt on it.
635 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
637 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
640 * reload1.c (reload): Remove registers returned by update_eliminables
641 from used_spill_regs.
643 2006-06-13 DJ Delorie <dj@redhat.com>
645 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
647 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
649 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
650 html__strip_dir, html__mkdir_p. Enhance install-html target.
651 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
652 * configure: Regenerate.
654 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
656 * fold-const.c (fold_cond_expr_with_comparison): Check for
657 Objective-C++ as language in deciding COND_EXPR transformation.
659 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
662 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
663 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
664 * config/sh/lib1funcs.h (SL, SL1): Define.
665 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
666 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
667 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
668 (OBJS_Os_4_200): New variable.
669 ($(T)libgcc-Os-4-200.a): Use it.
670 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
671 when dividing 1 and/or by 0.
673 2006-06-13 Roger Sayle <roger@eyesopen.com>
675 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
676 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
677 * configure: Regenerate.
679 2006-06-13 Jie Zhang <jie.zhang@analog.com>
681 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
682 for real instruction.
684 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
687 * haifa-sched.c (check_cfg): Handle special case.
689 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
692 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
693 Add debug_info parameter. Chain the vars to the BLOCK instead
694 of the BIND_EXPR if debug info are requested for them.
695 (pop_gimplify_context): Adjust for above change.
696 (gimple_add_tmp_var): Likewise.
697 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
699 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
700 (convert_local_reference): Likewise.
701 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
702 (finalize_nesting_tree_1): Request that debug info be emitted
705 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
707 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
710 2006-06-13 Richard Guenther <rguenther@suse.de>
713 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
715 2006-06-13 Richard Guenther <rguenther@suse.de>
717 PR tree-optimization/27830
718 * tree-inline.c (copy_body_r): For copying the operand
719 of an ADDR_EXPR make sure to fold &* afterwards.
721 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
723 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
724 lvalues in the fb_none case with side-effects.
726 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
728 * tree-flow.h: Remove the prototype for
729 compute_phi_arg_on_exit.
730 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
731 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
734 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
736 * builtins.c (expand_builtin_return_addr): Only use
737 frame_pointer_rtx when count == 0 and we are expanding
738 __builtin_return_address.
740 2006-06-12 Fred Fish <fnf@specifix.com>
742 * config/mips/mips.c (mips_file_start): Create special section
743 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
745 2006-06-11 Eric Christopher <echristo@apple.com>
748 * stor-layout.c (place_field): Remove check for
749 remaining_in_alignment when aligning at the end of a run.
751 2006-06-11 Eric Christopher <echristo@apple.com>
754 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
757 2006-06-11 Roger Sayle <roger@eyesopen.com>
760 Revert incorrect fix for PR target/27158
761 2006-05-08 Roger Sayle <roger@eyesopen.com>
762 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
763 of a reg_equiv_constant if the result is a legitimate constant.
765 2006-06-11 Roger Sayle <roger@eyesopen.com>
768 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
769 extract a CONST_VECTOR element and interpret it as an integer.
770 (vspltis_constant): Use const_vector_elt_as_int instead of the
771 macro CONST_VECTOR_ELT in order to handle FP vector modes.
772 * config/rs6000/predicates.md (easy_vector_const): Consider
773 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
775 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
778 * stor-layout.c (update_alignment_for_field): Don't add extra
779 alignment for packed non-bitfield fields in ms_bitfield_layout_p
782 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
784 * config/mips/t-rtems: Add EL/EB multilib variants.
786 2006-06-09 Mike Stump <mrs@apple.com>
788 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
790 2006-06-09 David Daney <ddaney@avtrex.com>
792 * doc/install.texi: Add binutils version recommendation for mips-*-*.
794 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
796 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
798 2006-06-09 Richard Guenther <rguenther@suse.de>
800 PR tree-optimization/26998
801 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
802 of signed types, only TYPE_MIN_VALUE is special, but for both,
803 minimum and maximum value. Likewise VR_ANTI_RANGE is special
804 in this case, as is -fwrapv.
806 2006-06-08 Mike Stump <mrs@apple.com>
809 * config/darwin.c (darwin_asm_output_anchor): Disable
810 -fsection-anchors on darwin for now.
811 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
812 * rs6000/rs6000.c (optimization_options): Likewise.
814 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
817 * config/i386/i386.c (classify_argument): Skip fields with invalid
820 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
822 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
823 (cse_insn): Likewise for the stack_pointer_rtx.
825 2006-06-08 Roger Sayle <roger@eyesopen.com>
827 * tree-ssa-dom.c (record_conditions): Only record "unordered"
828 conditions from floating point comparisons.
830 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
833 * expmed.c (struct alg_hash_entry): Fix type of field T
834 to match synth_mult argument.
835 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
837 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
840 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
843 2006-06-08 Richard Guenther <rguenther@suse.de>
846 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
847 only, if overflow is defined and not trapping.
848 (negate_expr): Likewise.
850 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
852 PR tree-optimization/27872
853 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
854 flag on the new exit edge of the unrolled loop.
856 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
858 PR rtl-optimization/26449
859 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
861 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
864 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
865 referenced_variables with matching DECL_UID's.
866 (find_referenced_vars): Make sure duplicate list is empty to start.
867 (referenced_var_p): Remove.
868 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
869 Check if var is in the list, and add if needed. Update the duplicate
870 list if a different var is in the list with the same DECL_UID.
871 (add_referenced_var): Call routine to check and insert.
872 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
873 * tree-flow.h (referenced_vars_dup_list): External declaration.
875 2006-06-07 Fred Fish <fnf@specifix.com>
877 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
880 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
883 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
884 the imaginary and real parts of a clobbered register.
885 Emit insn to set the imaginary part.
887 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
889 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
890 in lieu of unwind-dw2-fde.c.
892 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
894 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
896 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
899 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
900 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
901 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
902 V4SImode temporaries and operations instead.
904 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
906 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
909 2006-06-06 Mike Stump <mrs@apple.com>
911 * Makefile.in: Rename to htmldir to build_htmldir to avoid
912 installing during build.
914 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
916 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
918 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
919 * config/ia64/ia64.c (params.h): New header.
920 (ia64_optimization_options): New function to adjust parameters.
921 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
922 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
923 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
925 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
927 * stor-layout.c (debug_rli): Fix a typo in a debug message.
929 2006-06-05 Steve Ellcey <sje@cup.hp.com>
932 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
934 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
935 Victor Kaplansky <victork@il.ibm.com>
937 PR tree-optimization/26360
938 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
941 2006-06-04 Roger Sayle <roger@eyesopen.com>
942 Andrew Pinski <pinskia@physics.uc.edu>
945 * c-common.c (c_common_truthvalue_conversion): Explicitly check
946 for LABEL_DECL before calling DECL_WEAK.
949 * c-typeck.c (build_binary_op): Likewise, explicitly check for
950 LABEL_DECL and PARM_DECL.
952 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
956 * c-decl.c (grokdeclarator): Disallow variably modified types at
957 file scope. Avoid marking shared array type of constant size as
960 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
963 * c-common.c (fold_offsetof_1): Handle static members.
965 2006-06-04 Eric Christopher <echristo@apple.com>
967 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
968 (debug_rli): Output value for remaining_in_alignment.
969 (update_alignment_for_field): Unconditionalize
970 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
971 extra alignment code.
972 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
973 ms_bitfield_layout_p code. Rewrite handling of structure fields.
974 * tree.h (record_layout_info_s): Remove prev_packed.
975 * doc/extend.texi (ms_struct): Add documentation of format.
977 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
979 * tree.h: Declare folding_initializer.
980 * builtins.c (fold_builtin_constant_p): Give definite answer
981 if folding inside an initializer.
982 * fold-const.c: Define folding_initializer.
983 (START_FOLD_INIT): Save and then set folding_initializer.
984 (END_FOLD_INIT): Restore folding_initializer.
986 2006-06-04 Richard Guenther <rguenther@suse.de>
988 PR tree-optimization/27039
989 * fold-const.c (fold_comparison): Handle pointer comparison
990 again for all comparison codes. Compare offsets in signed
992 (fold_binary): Move code from here.
994 2006-06-03 Roger Sayle <roger@eyesopen.com>
997 * config/i386/i386.c (construct_container): Split static issued_error
998 flag into issued_sse_arg_error, issued_sse_ret_error and
999 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1000 requires the use of x87 registers and the user explicitly
1001 specified the -mno-80387 command line option.
1003 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1005 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1006 HAVE_DECL_SIGALTSTACK.
1008 (segv_handler): Use MC_FLD.
1009 * configure.ac: Check for a sigaltstack declaration.
1010 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1011 * configure: Regenerate.
1012 * config.in: Regenerate.
1014 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1017 * Makefile.in (stmp-fixinc): Fix typo.
1019 2006-06-02 Roger Sayle <roger@eyesopen.com>
1021 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1022 are type correct. Clean-up.
1023 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1024 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1026 2006-06-01 DJ Delorie <dj@redhat.com>
1028 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1029 shift, as we've disabled the "switch" insn that needs it.
1031 2006-06-01 Per Bothner <bothner@bothner.com>
1033 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1034 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1035 * c-ppoutput.c (cb_define): Don't increment line 0.
1037 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1039 * doc/invoke.texi: Add cpu_type power6.
1040 * config.gcc: Add cpu_type power6.
1041 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1042 to power5+ with Altivec.
1043 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1044 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1046 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1048 * config/avr/avr.h (SET_ASM_OP): Define.
1050 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1052 * config/bfin/bfin.c: Fix comment typos.
1054 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1057 * doc/install.texi: Document --enable-bootstrap and
1058 --disable-bootstrap.
1060 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1062 * doc/install.texi: Document that InfoZIP can replace jar.
1064 2006-05-31 Roger Sayle <roger@eyesopen.com>
1066 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1067 isn't available, directly generate the simpler x87 patterns without
1068 the (use (const_int 0)).
1069 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1070 implementation isn't available.
1071 (*negdf2_1): Likewise.
1072 (*negxf2_1): XF mode negation is always done using the x87.
1073 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1075 2006-05-31 Roger Sayle <roger@eyesopen.com>
1077 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1078 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1080 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1082 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1084 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1085 * config/bfin/bfin.c (basic-block.h): Include.
1086 (struct machine_function): New.
1087 (bfin_init_machine_status): New.
1088 (override_options): Initialize init_machine_status.
1089 (bfin_hardware_loop): New.
1090 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1091 (DEF_VEC_P (loop_info)): New.
1092 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1093 (struct loop_info): New.
1094 (loop_info): New typedef.
1095 (struct loop_work): New.
1096 (loop_work): New typedef.
1097 (DEF_VEC_O (loop_work)): New.
1098 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1099 (bfin_dump_loops): New.
1100 (bfin_bb_in_loop): New.
1101 (bfin_scan_loop): New.
1102 (bfin_optimize_loop): New.
1103 (bfin_reorg_loops): New.
1104 (bfin_reorg): Use bfin_reorg_loops.
1105 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1107 (I_REGNO_P): Simplify.
1108 (DP_REGNO_P, DPREG_P): New macros.
1109 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1110 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1111 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1112 Add LT_REGS, LC_REGS, LB_REGS.
1113 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1115 (REGNO_REG_CLASS): Deal with loop registers.
1116 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1118 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1119 New constants for loop registers.
1120 (UNSPEC_LSETUP_END): New.
1121 (seq_insns): New define_attr. Set it for appropriate insns.
1122 (movsi_insn): Add alternatives for move from/to
1123 loop count registers.
1124 (doloop_end): New define_expand.
1125 (loop_end): New define_insn.
1126 (define_split for bad doloop_end): New.
1127 (lsetup_with_autoinit): New define_insn.
1128 (lsetup_without_autoinit): New define_insn.
1129 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1130 * config/bfin/predicates.md (lc_register_operand): New.
1131 (lt_register_operand): New.
1132 (lb_register_operand): New.
1133 (nondp_register_operand): New.
1134 (nondp_reg_or_memory_operand): New.
1135 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1137 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1139 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1140 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1142 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1144 * Makefile.in (CATALOGS): Add po/ prefix.
1145 * configure: Regenerated.
1147 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1150 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1151 a shift operand before calling shift_op. Avoid redundant call of
1154 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1155 DJ Delorie <dj@redhat.com>
1157 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1158 we're inserting is a singlt-bit constant.
1160 2006-05-30 Roger Sayle <roger@eyesopen.com>
1162 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1163 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1165 2006-05-30 Roger Sayle <roger@eyesopen.com>
1167 PR tree-optimization/23452
1168 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1169 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1170 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1171 complex values and with -ffast-math for FP complex values.
1173 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1175 * c-common.h: Remove the prototype for yyparse.
1176 * rtl.h: Remove the prototype for init_loop.
1178 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1180 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1183 2006-05-30 Roger Sayle <roger@eyesopen.com>
1185 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1187 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1188 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1190 2006-05-30 Dirk Mueller <dmueller@suse.de>
1193 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1194 for CONSTANT_CLASS_P expresisons.
1196 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1199 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1201 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1203 PR tree-optimization/27779
1204 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1205 initial_condition instead of CHREC_LEFT.
1207 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1209 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1210 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1211 Make prototypes ISO C90.
1213 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1214 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1216 * see.c (see_analyze_one_def): Correct check.
1217 (see_get_extension_data): Check if extension is parallel.
1218 (see_get_extension_reg): Likewise.
1220 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1223 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1224 into register for (code == GTU).
1226 2006-05-29 Roger Sayle <roger@eyesopen.com>
1228 PR tree-optimization/24964
1229 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1230 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1231 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1232 abs(x)*abs(x) as x*x for scalar floating point modes.
1234 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1237 * lambda-code.c (perfect_nestify): Don't copy statements
1238 in the inner loop: move them to the inner loop header.
1240 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1243 * c-tree.texi: Document OpenMP directives and clauses.
1245 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1247 * varasm.c (globalize_decl): Fix indentation.
1249 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1252 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1253 pass_fre, pass_store_ccp, pass_copy_prop,
1254 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1255 pass_return_slot, pass_object_size, pass_lim,
1256 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1257 pass_loop_prefetch and pass_stdarg.
1259 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1261 * config/bfin/bfin.opt (mfdpic): New option.
1262 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1263 (EXTRA_MULTILIB_PARTS): Likewise.
1264 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1265 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1267 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1268 (CRT_CALL_STATIC_FUNCTION): New.
1269 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1271 (CRT_CALL_STATIC_FUNCTION): New.
1272 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1274 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1275 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1276 (initialize_trampoline): Changed to handle FD-PIC code generation.
1277 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1278 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1279 (override_options): Disallow -mid-shared-library -mfdpic combination.
1280 Can't do unaligned ops if FD-PIC.
1281 Turn off flag_pic if trying to generate non-id-shared-library
1282 non-fdpic code, since it's not supported.
1283 (bfin_assemble_integer): New function.
1284 (TARGET_ASM_INTEGER): Define.
1285 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1287 * config/bfin/crtn.s: Restore them.
1288 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1290 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1291 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1292 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1293 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1294 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1296 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1297 FDPIC_REGS and FDPIC_FPTR_REGS.
1298 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1299 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1300 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1301 (load_funcdescsi): New pattern.
1302 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1303 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1304 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1306 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1308 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1311 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1313 * tree-flow.h: Remove the prototype for add_type_alias.
1314 * tree-ssa-alias.c (add_type_alias): Remove.
1316 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1318 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1319 config/fr30/fr30.md, config/i386/i386-interix.h,
1320 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1321 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1322 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1323 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1324 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1325 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1326 Follow spelling conventions.
1327 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1328 Follow spelling conventions.
1330 2006-05-27 Richard Guenther <rguenther@suse.de>
1333 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1334 to produce a constant of value 1 of generic type.
1336 2006-05-27 Dirk Mueller <dmueller@suse.de>
1338 * cgraphunit.c (decide_is_function_needed): Fix wrong
1341 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1343 PR rtl-optimization/27661
1344 * reload.c (find_reloads): When reloading a VOIDmode constant
1345 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1346 use Pmode as mode of the reload register.
1348 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1350 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1351 is enabled at -O and above.
1353 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1356 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1359 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1362 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1363 for anonymous variables explicitly declared by front ends.
1365 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1367 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1368 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1369 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1370 ref-all pointers, run a finalization pass for them.
1371 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1372 (finalize_ref_all_pointers): New function.
1373 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1374 regular pointer type to a ref-all pointer type.
1375 (get_tmt_for): Return the special memory tag for ref-all pointers.
1377 2006-05-25 Richard Guenther <rguenther@suse.de>
1380 * fold-const.c (fold_binary): Do not look at the stripped
1381 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1383 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1385 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1386 for LT and GT if the computed range is effectively empty.
1388 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1391 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1392 mips_quad_format formats instead of ieee_single_format,
1393 ieee_double_format and ieee_quad_format formats, respectively.
1395 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1397 PR tree-optimization/27639
1398 PR tree-optimization/26719
1399 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1400 call to scev_probably_wraps_p.
1401 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1402 used_in_pointer_arithmetic_p, convert_step): Removed.
1403 (nowrap_type_p): New function.
1404 (scev_probably_wraps_p): Rewritten.
1405 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1406 chrec_convert if chrec_convert_aggressive might have been used.
1407 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1408 scev_direction): New functions.
1409 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1410 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1411 instead of convert_step.
1412 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1413 (convert_step): Declaration removed.
1414 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1416 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1418 * df-core.c: Added to header comments.
1419 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1420 df_ur_bb_info, df_urec_bb_info): Added comments.
1421 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1422 urec, ri problems): Fixed header comments.
1423 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1424 code from df_rd_transfer_function.
1426 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1428 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1429 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1430 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1432 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1434 * expr.c (undefined_operand_subword_p): New.
1435 (emit_move_multi_word): Do not generate move from undefined bits
1436 of a paradoxical subreg.
1438 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1440 PR rtl-optimization/27736
1441 * combine.c (replaced_rhs_value): New variable.
1442 (combine_instructions): Set it.
1443 (distribute_notes): When distributing a note in replaced_rhs_insn,
1444 check whether the value was used in replaced_rhs_value.
1446 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1449 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1450 add_referenced_var instead of add_referenced_tmp_var.
1451 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1452 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1454 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1455 tree_optimize_tail_calls_1): Use add_referenced_var.
1456 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1457 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1458 Use add_referenced_var.
1459 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1460 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1461 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1462 Use add_referenced_var.
1463 * tree-dfa.c (struct walk_state): Remove.
1464 (find_referenced_vars): Remove walk state and vars_found hash table.
1465 (make_rename_temp): Use add_referenced_var.
1466 (find_vars_r): Pass less parameters to add_referenced_var.
1467 (referenced_var_p): New. Is var in referenced_var hash table.
1468 (referenced_var_insert): Assert var isn't already in hash table.
1469 (add_referenced_var): Don't need walk_state parameter. Add var if it
1470 isn't already in the hash table.
1471 (add_referenced_tmp_var): Remove.
1472 (find_new_referenced_vars_1): Use add_referenced_var.
1473 * tree-ssa-pre.c (create_expression_by_pieces,
1474 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1475 Use add_referenced_var.
1476 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1477 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1478 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1480 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1481 vect_create_data_ref_ptr, vect_create_destination_var,
1482 vect_init_vector, vect_build_loop_niters,
1483 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1484 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1485 Use add_referenced_var.
1486 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1487 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1488 (add_referenced_var): Add prototype.
1489 * tree-ssa-structalias.c (get_constraint_for,
1490 intra_create_variable_infos): Use add_referenced_var.
1492 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1494 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1495 big-endian paradoxical subregs.
1496 * var-tracking.c (struct micro_operation_def): Document that,
1497 for modify micro operations, insn is the subsequent instruction.
1498 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1499 (var_reg_set, var_mem_set): ... new functions.
1500 (add_stores): Record subsequent insn.
1501 (compute_bb_dataflow): Use new functions for MO_USE.
1502 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1503 notes after the insn, and modify notes before the insn known
1504 to be the subsequent one.
1505 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1507 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1510 * config/i386/i386.c (ix86_expand_builtin): Use
1511 gen_sse3_monitor64 for TARGET_64BIT.
1513 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1515 PR rtl-optimization/26375
1516 PR rtl-optimization/26855
1517 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1519 (df_ru_bb_local_compute): Reversed statements and removed bogus
1520 comment explaining why they should be in wrong order.
1521 (df_ru_dump, df_rd_dump): Enhanced debug info.
1522 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1524 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1525 reaching uses and fixed space problem.
1527 2006-05-23 Jan Hubicka <jh@suse.cz>
1529 * cgraphunit.c (decide_is_function_needed): Also nested functions
1530 and functions declared inline can be optimized out at -O0.
1532 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1534 * doc/install.texi (Configuration): Remove reference to CrossGCC
1538 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1541 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1542 ix86_compare_emitted is non-NULL.
1544 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1547 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1550 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1552 PR rtl-optimization/25514
1553 * combine.c (replaced_rhs_insn): New variable.
1554 (combine_instructions): Set replaced_rhs_insn when trying to replace
1555 a SET_SRC with a REG_EQUAL note.
1556 (distribute_notes): Use replaced_rhs_insn when determining the live
1557 range of a REG_DEAD register.
1559 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1560 Anatoly Sokolov <aesok@post.ru>
1562 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1563 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1564 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1565 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1566 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1567 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1568 at90usb647, at90usb1286 and at90usb1287 devices.
1569 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1570 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1572 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1574 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1576 2006-05-22 Richard Guenther <rguenther@suse.de>
1579 2006-01-31 Richard Guenther <rguenther@suse.de>
1580 Paolo Bonzini <bonzini@gnu.org>
1582 * doc/install.texi (--disable-libgcc-math): Document.
1584 2006-05-22 Richard Guenther <rguenther@suse.de>
1587 2006-01-31 Richard Guenther <rguenther@suse.de>
1589 * doc/invoke.texi (-msselibm): Document.
1590 * target.h (expand_library_builtin): New target hook.
1591 * builtins.c (expand_builtin): Use expand_library_builtin.
1592 (default_expand_library_builtin): New function.
1593 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1594 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1595 (link_gcc_math_spec): Declare.
1596 (static_specs): Add link_gcc_math_spec.
1597 * expr.h (default_expand_library_builtin): Declare.
1598 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1599 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1600 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1601 * config/i386/i386.opt (msselibm): New target option.
1602 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1603 (ix86_init_sse_abi_builtins): New function.
1604 (ix86_expand_library_builtin): Likewise.
1605 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1606 (override_options): Handle error conditions wrt -msselibm.
1607 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1608 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1609 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1612 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1615 * c-common.c (self_promoting_args_p): Skip erroneous args.
1618 * c-decl.c (finish_struct): Skip erroneous fields.
1620 2006-05-22 Nick Clifton <nickc@redhat.com>
1622 * config/cris/cris.opt (march): Remove VarExists attribute.
1623 (max-stackframe=): Likewise.
1625 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1627 * doc/rtl.texi: Fix a typo.
1628 * see.c: Fix comment typos.
1630 * tree-ssa-structalias.h (alias_info): Remove num_references.
1632 2006-05-21 Mike Stump <mrs@apple.com>
1634 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1636 (darwin_pragma_options): Use BAD instead.
1637 (darwin_pragma_unused): Likewise.
1638 (darwin_pragma_ms_struct): Likewise.
1640 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1642 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1644 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1646 PR rtl-optimization/27671
1647 * simplify-rtx.c (simplify_relational_operation_1): Fix
1648 simplifications of (eq/ne (xor x y) y) and
1649 (eq/ne (xor x y) x).
1651 PR tree-optimization/26622.
1652 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1655 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1657 * tree-cfg.c: Prune whitespace.
1658 (debug_tree_cfg): Point to correct header containing the
1661 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1664 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1666 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1669 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1670 or sorry count is non zero.
1672 2006-05-20 Andreas Schwab <schwab@suse.de>
1674 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1676 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1677 Kenneth Zadeck <zadeck@naturalbridge.com>
1679 PR rtl-optimization/26855
1681 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1683 (df_scan_alloc): Added code to properly handle multiword hard
1684 registers and add all_blocks parameter.
1685 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1686 code to properly handle multiword hard registers.
1687 (df_rescan_blocks): Added code to remove deleted blocks from
1689 (df_ref_create_structure, df_ref_record): Added code to properly
1691 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1692 and set DF_REF_PARTIAL.
1693 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1694 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1695 (df_scan_add_problem): Added flags parameter.
1696 (df_ref_create_structure): Changed switching structure.
1697 (df_bb_refs_record): Fixed case where duplicate artificial refs
1698 were created. Changed location of flags.
1699 (df_record_entry_block_defs): Added code to make stack pointer
1700 live in entry block. Refined cases where frame pointer is needed.
1701 Changed location of flags.
1702 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1703 (df_set_state): Removed function.
1704 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1705 df_insn_create_insn_record, df_insn_refs_delete,
1706 df_ref_create_structure): Formatting changes.
1707 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1708 df_delete_basic_block): New function.
1709 (df_init): Changed location of flags.
1710 (df_add_problem): Added flags parameter and the way flags are
1712 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1713 debug_df_chain): Improved debugging output.
1714 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1715 (df_refs_chain_dump): Removed df parameter.
1716 (df_iterative_dataflow): Added consistency check.
1717 (df_prune_to_subcfg): Made public.
1718 (df_analyze_problem): Added blocks_to_init parameter and made
1720 (df_ref_record, df_bb_refs_record, df_mark_reg,
1721 df_record_exit_block_uses): Whitespace changes.
1722 (df_dump): Whitespace changes.
1723 * df.h: Some reordering to remove forward references.
1724 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1725 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1726 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1727 (dataflow.flags): New field.
1728 (df.flag): Deleted field.
1729 (df_alloc_function): Added additional bitmap parameter.
1730 (df_dependent_problem_function): New type.
1731 (df_problem.changeable_flags): New field.
1732 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1733 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1734 (df_mw_hardreg): New struct.
1735 (DF_INSN_UID_MWS): New macro.
1736 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1738 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1739 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1740 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1741 (df_set_state): Removed function.
1742 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1743 * df-problems.c (df_chain_dump): Removed df parameter.
1744 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1745 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1747 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1748 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1749 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1750 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1751 DF_REF_MUST_CLOBBER cases.
1752 (df_ru_bb_local_compute_process_def,
1753 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1754 df_lr_bb_local_compute, df_ur_bb_local_compute,
1755 df_chain_create_bb): Made subreg aware.
1756 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1757 df_lr_bb_local_compute, df_lr_bb_local_compute,
1758 df_chain_create_bb): Cleanup to use proper macros.
1759 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1760 code to fixup bitvectors.
1761 (df_ri_alloc): Cleared lifetime.
1762 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1763 df_create_unused_note): New function.
1764 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1765 REG_DEAD and REG_UNUSED notes as well as register information.
1766 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1767 df_chains_dump): Fixed crash if problem was never run.
1768 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1769 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1770 df_ri_add_problem): Processes flags in uniform manner.
1771 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1772 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1773 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1774 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1775 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1776 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1777 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1778 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1779 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1780 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1781 * see.c (see_initialize_data): Ditto.
1782 * final.c (rest_of_clean_state) Added regstack_completed.
1783 * rtl.h (regstack_completed): Ditto.
1784 * reg-stack.c (regstack_completed): Ditto.
1786 2006-05-19 Mike Stump <mrs@apple.com>
1788 * c-tree.h (default_conversion): Remove.
1789 * c-common.h (default_conversion): Add.
1791 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1793 * tree-vrp.c (valid_value_p): New function.
1794 (adjust_range_with_scev): Fail if the value of bound is not
1797 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1799 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1800 (mips_fallback_frame_state): Use syscall numbers to determine
1801 the appropriate li instruction for the current ABI. Only use
1802 __NR_sigreturn for o32.
1804 2006-05-19 Nicolas Setton <setton@adacore.com>
1806 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1807 * langhooks.c (lhd_dwarf_name): New function.
1808 * langhooks-def.h (lhd_dwarf_name): Declare.
1809 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1810 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1811 * ada/misc.c (gnat_dwarf_name): New function.
1812 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1814 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1816 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1818 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1819 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1820 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1821 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1822 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1823 determine the size of Wtype, etc.
1824 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1825 (swfloatfuncs): New variable.
1826 (dwfloatfuncs): Likewise.
1827 (lib2funcs): Remove floating-point conversion functions from
1828 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1829 the set of conversion routines needed. Allow entries to specify
1830 an object name, filename and word size. Update users accordingly.
1831 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1832 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1836 2006-02-08 Roger Sayle <roger@eyesopen.com>
1839 * config/fixtfdi.c: New libgcc source file.
1840 * config/fixunstfdi.c: New source file.
1841 * config/floatditf.c: New source file.
1842 * config/floatunditf.c: New souce file.
1843 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1844 files above instead of config/mips/_tilib.c.
1845 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1847 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1849 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1850 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1852 2006-05-18 Mike Stump <mrs@apple.com>
1854 Fix up vla, vm and [*] sematics.
1860 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1861 (c_vla_unspec_p): Add.
1862 (c_vla_type_p): Add.
1863 * c-decl.c (struct c_scope): Add had_vla_unspec.
1864 (build_array_declarator): Add support for [*].
1865 (grokdeclarator): Likewise.
1866 (grokparms): Likewise.
1867 (get_parm_info): Likewise.
1868 * c-objc-common.c (c_vla_unspec_p): Likewise.
1869 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1870 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1871 typeof when argument is a variably modified type not inside sizeof or alignof.
1872 (c_parser_direct_declarator_inner): Propagate errors.
1873 (c_parser_sizeof_expression): Add support for [*].
1874 (c_parser_parms_declarator): Initialize had_vla_unspec.
1875 (c_parser_parms_list_declarator): Likewise.
1876 * c-typeck.c (c_vla_type_p): Add.
1877 (composite_type): Add support for vla compositing.
1878 (comptypes_internal): Add support for vla compatibility.
1879 (c_expr_sizeof_expr): Evaluate vla arguments.
1880 * tree.c (variably_modified_type_p): Update comment for [*].
1882 2006-05-18 Michael Matz <matz@suse.de>
1885 * config.host: Make assignments to host_xmake_file cumulative.
1886 * config.host (*-darwin*): Test $host, not $target.
1888 2006-05-12 Stuart Hastings <stuart@apple.com>
1890 * config/i386/i386.opt (-mstackrealign): New flag.
1891 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1892 (ix86_handle_cconv_attribute): Emit error when
1893 force_align_arg_pointer attribute collides with too many regparms.
1894 (ix86_function_regparm): Limit regparms when used with
1895 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1896 Support stack-realigning prologue in non-main functions. Emit
1897 warning for nested functions under -mstackrealign, emit error for
1898 nested functions with force_align_arg_pointer attribute.
1899 * doc/extend.texi (force_align_arg_pointer): Document it.
1900 * doc/invoke.texi (-mstackrealign): Document it.
1902 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1904 PR rtl-optimization/27477
1905 * combine.c (try_combine): Don't split a parallel consisting
1906 of two sets into two individual sets if both sets reference
1909 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1911 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1912 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1914 * doc/options.texi (VarExists): Updated.
1916 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1918 * unwind-dw2.c: Add declarations for uw_update_context and
1920 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1921 detected, advance frame state and context once to skip over stub.
1923 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1927 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1928 Call rewrite_into_loop_closed_ssa only when something changed.
1929 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1930 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1931 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1932 Test for perfect_nest_p here. Fix formating.
1933 (replace_uses_equiv_to_x_with_y): Fix formating.
1934 (stmt_uses_op): Removed.
1935 (can_convert_to_perfect_nest): Removed loopivs parameter.
1936 Complete the test by checking the scalar dependences.
1937 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1940 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1943 From Dan Kegel <dank@kegel.com>:
1944 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1946 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1948 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1949 if the element type is variably modified without recursing.
1951 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1954 * tree-loop-linear.c (try_interchange_loops): Test for
1955 no data dependences.
1957 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1959 PR tree-optimization/27548
1960 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1961 range of ssa names that appear on abnormal edges.
1962 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1963 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1965 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1968 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1970 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1973 * tree.h (OMP_PARALLEL_COMBINED): Define.
1974 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1975 (new_omp_context): Add is_combined_parallel argument.
1976 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1977 new_omp_context caller.
1978 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1979 Adjust gimplify_scan_omp_clauses callers.
1980 (omp_is_private): Issue errors if iteration variable is firstprivate
1981 or reduction in the current context.
1982 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1983 on combined parallel workshare constructs.
1985 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1987 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1988 (gcc-options.o): New rule.
1990 * optc-gen.awk: Protect variables for gcc-options.o with
1991 #ifdef GCC_DRIVER/#endif.
1993 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1995 Fix PR tree-optimization/27373
1996 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1997 (forward_propagate_addr_expr): Update call.
1999 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2001 * doc/options.texi: Move the Negative option.
2003 2006-05-16 Richard Guenther <rguenther@suse.de>
2005 PR tree-optimization/22303
2006 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2008 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2009 ccp_fold did not simplify the statement.
2011 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2014 * Makefile.in (GCC_OBJS): New.
2015 (OBJS-common): Add opts-common.o.
2016 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2017 (cpp$(exeext)): Likewise.
2018 (gcc.o): Also depend on opts.h.
2019 (opts-common.o): New.
2021 * common.opt (gcoff): Add Negative(gdwarf-2).
2022 (gdwarf-2): Add Negative(gstabs).
2023 (gstabs): Add Negative(gstabs+).
2024 (gstabs+): Add Negative(gvms).
2025 (gvms): Add Negative(gxcoff).
2026 (gxcoff): Add Negative(gxcoff+).
2027 (gxcoff+): Add Negative(gcoff).
2028 * config/i386/i386.opt (m32): Add Negative(m64).
2029 (m64): Add Negative(m32).
2031 * doc/options.texi: Document the Negative option.
2033 * gcc.c: Include "opts.h".
2034 (main): Call prune_options after expandargv.
2036 * optc-gen.awk: Generate common declarations for all flag
2037 variables in options.c. Output the neg_index field.
2039 * opts.c (find_opt): Moved to ...
2040 * opts-common.c: Here. New file.
2042 * opts.h (cl_option): Add a neg_index field.
2044 (prune_options): Likewise.
2046 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2049 * omp-low.c (expand_omp_parallel): Don't assert
2050 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2051 instead search for it.
2054 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2057 2006-05-16 Andreas Schwab <schwab@suse.de>
2059 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2062 2006-05-15 Roger Sayle <roger@eyesopen.com>
2065 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2066 integer constants other than zero are only legitimate on TARGET_64BIT.
2067 <CONST_VECTOR> Only zero vectors are legitimate.
2068 (ix86_cannot_force_const_mem): Integral and vector constants can
2069 always be put in the constant pool.
2071 2006-05-16 DJ Delorie <dj@redhat.com>
2073 * crtstuff.c (__dso_handle): Set section from
2074 TARGET_LBIGCC_SDATA_SECTION if defined.
2075 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2076 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2078 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2081 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2084 2006-05-16 Ben Elliston <bje@au.ibm.com>
2086 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2088 2006-05-15 Per Bothner <per@bothner.com>
2090 * tree.c: (last_annotated_node): Use source_locus typedef.
2091 This permits bootstrapping with --enable-mapped-location.
2093 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2095 PR tree-optimization/26830
2096 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2097 (info_for_ssa_name, current_info_for_ssa_name_age,
2098 blocks_to_update): New variables.
2099 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2100 (clear_ssa_name_info, initialize_flags_in_bb,
2101 mark_block_for_update): New functions.
2102 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2103 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2104 prepare_def_site_for): Use mark_block_for_update.
2105 (mark_def_interesting): Assert that the processed block is marked in
2106 blocks_to_update. Do not take blocks argument.
2107 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2109 (rewrite_update_init_block, rewrite_update_stmt): Only process
2110 blocks with statements to rewrite.
2111 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2112 (update_ssa): Initialize and free blocks_to_update. Do not
2113 clear flags on statements. Do not use blocks bitmap.
2114 * tree.h (SSA_NAME_AUX): Removed.
2115 (struct tree_ssa_name): Removed aux field.
2116 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2118 2006-05-15 Richard Guenther <rguenther@suse.de>
2120 PR tree-optimization/27603
2121 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2122 Do computations in original type.
2124 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2126 * see.c: Code style changes such as redundant paranthesis,
2127 redundant intialization of local variables etc.
2128 (see_main): Declared now as static.
2129 * doc/invoke.texi: Update that -fsee is not enabled by
2132 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2134 * omp-low.c (check_omp_nesting_restrictions): New function.
2135 (scan_omp_1): Call it.
2138 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2139 construct, return *VAR.
2141 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2143 PR rtl-optimization/27406
2144 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2147 2006-05-14 Roger Sayle <roger@eyesopen.com>
2149 PR rtl-optimization/27538
2150 * combine.c (expand_compound_operation): Call gen_lowpart
2151 before calling simplify_shift_const.
2153 2006-05-14 Roger Sayle <roger@eyesopen.com>
2155 PR rtl-optimization/22563
2156 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2157 a fixed width bitfield, always force the intermediates into psuedos.
2159 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2162 * mkconfig.sh: Use operator = instead of == for test.
2164 2006-05-13 Nick Clifton <nickc@redhat.com>
2166 * dwarf2out.c (dbx_reg_number): Check return value from
2167 LEAF_REG_REMAP and only use it if it is valid.
2168 (multiple_reg_loc_descriptor): Likewise.
2170 2006-05-13 Richard Guenther <rguenther@suse.de>
2172 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2175 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2177 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2178 information attached to non-INSNs such as NOTEs.
2179 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2181 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2183 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2185 * config/s390/s390.md: Adjust comment describing On constraint.
2187 2006-05-11 Jan Hubicka <jh@suse.cz>
2189 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2190 to be output at -O0.
2192 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2195 * fold-const.c (size_binop): Move sanity check for arguments to
2196 the beginning of the function.
2199 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2202 2006-05-11 Richard Guenther <rguenther@suse.de>
2205 * fold-const.c (fold_unary): Handle intermediate conversion
2206 to a pointer type like intermediate conversion to an integer
2207 type in folding of (T1)(T2)var to var.
2208 Match the code to the comment in the final conversion for
2209 (T1)(T2)var to (T1)var regarding to type precision. Rather
2210 than disallow T1 being of pointer type, assert that both T1
2211 and var are of pointer type or not. Make sure not to fall
2212 over the frontends lazyness wrt array to pointer decay though.
2214 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2216 * arm.c (arm_struct_value_rtx): Delete.
2217 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2218 (arm_init_cumulative_args): Always initialize nregs to zero.
2220 2006-05-10 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/27532
2223 * tree-object-size.c (plus_expr_object_size): Fix typo.
2225 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2228 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2229 ashrdi_const, ashrdi3): Use a scratch register.
2231 2006-05-10 Richard Guenther <rguenther@suse.de>
2233 PR tree-optimization/27302
2234 * fold-const.c (operand_equal_p): For two comparisons,
2235 try comparison of one comparison code swapped if that yields
2238 2006-05-10 Ben Elliston <bje@au.ibm.com>
2240 * tree-pretty-print.c (pretty_print_string): No need to handle
2241 '\0' as a special character.
2243 * tree.h: Include "hashtab.h".
2244 (iterative_hash_expr): Use hashval_t in its prototype.
2245 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2247 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2250 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2251 (hppa*64*-*-hpux11*): Ditto.
2252 (hppa[12]*-*-hpux11*): Ditto.
2254 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2257 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2259 2006-05-09 Michael Matz <matz@suse.de>
2261 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2262 host_extra_gcc_objs and host_xmake_file.
2263 (<*-*-linux*>): Don't overwrite host_xmake_file.
2264 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2265 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2266 (host_detect_local_cpu): Declare.
2267 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2268 * config/i386/i386.c (override_options): Handle -mtune=native
2270 * config/i386/x-i386: New file.
2271 * config/i386/driver-i386.c: New file.
2272 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2275 2006-05-09 Dirk Mueller <dmueller@suse.de>
2276 Richard Guenther <rguenther@suse.de>
2279 * fold-const.c (fold_read_from_constant_string): Relax check
2280 for matching types to matching modes.
2282 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2284 PR rtl-optimization/27335
2285 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2288 2006-05-08 Chao-ying Fu <fu@mips.com>
2289 Richard Sandiford <richard@codesourcery.com>
2291 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2292 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2293 * config/mips/mips.md (UNSPEC_SCC): New constant.
2294 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2295 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2296 (mips_emit_compare): Use it.
2297 (mips_expand_vcondv2sf): New function.
2299 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2301 Fix PR tree-optimization/27093
2302 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2303 renaming when they become not-used_alone.
2305 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2307 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2308 relocation and relocation stubs.
2310 2006-05-08 Eric Christopher <echristo@apple.com>
2312 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2315 2006-05-08 Jan Hubicka <jh@suse.cz>
2318 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2319 unused static functions are needed.
2321 2006-05-08 Roger Sayle <roger@eyesopen.com>
2324 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2325 of a reg_equiv_constant if the result is a legitimate constant.
2327 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2330 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2331 standard 80387 constants, raise the cost to prevent
2332 compress_float_constant() to generate load from memory.
2334 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2336 * config/arm/constraints.md (c): Fix a typo.
2338 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2341 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2344 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2346 (_mm_mwait): Likewise.
2348 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2350 (sse3_monitor): Make it 32bit only.
2351 (sse3_monitor64): New. 64bit monitor.
2353 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2356 * config/i386/i386.c (classify_argument): Skip fields with invalid
2359 2006-05-07 Richard Guenther <rguenther@suse.de>
2361 PR tree-optimization/27409
2362 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2363 Do not try to find zero-sized subvars.
2365 2006-05-07 Richard Guenther <rguenther@suse.de>
2367 PR tree-optimization/27136
2368 * tree-ssa-loop-niter.c (get_val_for): Correct function
2369 comment, assert requirements.
2370 (loop_niter_by_eval): Stop processing if the iterated
2371 value did not simplify.
2373 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2375 * opts.c (flag_see): remove its setting at -O3.
2377 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2379 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2380 * arm/constraints.md: New file.
2381 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2382 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2383 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2384 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2385 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2386 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2387 * arm.md: Include constraints.md.
2388 (thumb_movsi_insn): Use satisfies_constraint_J.
2389 (movhi, movqi): Use satisfies_constraint_I.
2391 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2393 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2394 for atmeg a645 device.
2396 2006-05-06 Richard Guenther <rguenther@suse.de>
2398 PR tree-optimization/27151
2399 * tree-vect-transform.c (vectorizable_condition): Punt on
2400 values that have a different type than the condition.
2402 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2405 * c-parser.c (c_parser_cast_expression): Only insert casts into
2406 hash table if pointer.
2407 * function.c (used_types_insert_helper): Rename from
2409 (used_types_insert): Call used_types_insert_helper.
2410 * function.h (used_types_insert): Accept only one argument.
2412 2006-05-05 David Edelsohn <edesohn@gnu.org>
2414 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2415 scratch with output modifier.
2417 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2420 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2421 with output modifier.
2423 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2426 * config/mips/mips.c (mips_symbolic_address_p): Return true
2427 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2428 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2430 2006-05-04 Richard Guenther <rguenther@suse.de>
2432 PR tree-optimization/14287
2433 PR tree-optimization/14844
2434 PR tree-optimization/19792
2435 PR tree-optimization/21608
2436 PR tree-optimization/27090
2437 * tree-ssa-pre.c (try_combine_conversion): New function.
2438 (compute_avail): After constructing the value-handle
2439 expression, use try_combine_conversion to combine NOP_EXPRs
2440 with previous value-handle expressions and use the result if it
2443 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2445 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2447 2006-05-04 Jan Hubicka <jh@suse.cz>
2450 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2452 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2454 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2455 that this only matches CONST_INTs. All users changed to VOIDmode
2458 * config/bfin/bfin.c: Include "optabs.h".
2459 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2461 (enum bfin_builtins): Add a number of fractional and vector builtins.
2462 (bfin_init_builtins): Likewise.
2463 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2464 (safe_vector_operand, bfin_expand_binop_builtin,
2465 bfin_expand_unop_builtin): New functions.
2466 (bfin_expand_builtin): Handle the new builtins.
2467 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2470 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2473 * Makefile.in (OBJS-common): Add see.o.
2474 (see.o): Add dependencies.
2475 * common.opt (fsee): New flag for the see optimization was added.
2476 * opts.c (flag_see): Initialized.
2477 * passes.c (init_optimization_passes, pass_see): New pass.
2478 * rtl.h (see_main): Declaration as extern.
2479 * timevar.def (TV_SEE): New.
2480 * tree-pass.h (pass_see): Declaration as extern.
2481 * invoke.texi (-fsee): Document.
2482 * recog.c (validate_simplify_insn): New function.
2483 * recog.h (validate_simplify_insn): Declaration as extern.
2484 * df-problems.c (df_chain_dump): Check for NULL.
2486 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2487 Daniel Berlin <dberlin@dberlin.org>
2489 * cfgrtl.c (insert_insn_bb_end_new): New function.
2490 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2492 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2494 * df.h (struct web_entry): Moved from web.c.
2495 (union_defs): Declaration as extern.
2496 (unionfind_root): Likewise.
2497 (unionfind_union): Likewise.
2498 * web.c (struct web_entry): Moved to df.h.
2499 (unionfind_root): Remove static declaration.
2500 (unionfind_union): Likewise.
2501 (union_defs): Likewise and generalize to use callback function.
2502 (web_main): Update arguments for union_defs function call.
2504 2006-05-04 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/26447
2507 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2508 produce SSA_NAME copies before the store stmt to avoid
2509 breaking exception handling.
2511 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2514 * gimplify.c (omp_is_private): If var is shared in some outer context,
2515 return false instead of true. Stop searching on parallel context
2518 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2521 * coverage.c: Use get_gcov_unsigned_t() instead of
2522 unsigned_type_node all over.
2524 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2526 PR tree-optimization/27381
2527 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2528 maintain the same immediate_use links.
2529 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2530 node rather than segfaulting.
2532 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2535 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2536 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2537 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2539 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2541 Fix PR tree-optimization/26626
2542 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2544 * tree-ssa-operands.c (access_can_touch_variable): Allow
2545 typecasting through union pointers.
2547 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2550 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2551 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2552 to find if var will be a global variable even in the nested context.
2553 (omp_copy_decl): Only check for global variable at the end, it might
2554 be overridden in outer contexts.
2555 (scan_sharing_clauses): For global variables don't create a field.
2556 (lower_rec_input_clauses): Do nothing for global shared variables.
2557 Emit a barrier at the end of ILIST if there were any decls in both
2558 firstprivate and lastprivate clauses.
2559 (lower_send_clauses): Do nothing for global variables except for
2562 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2564 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2565 of the correct signedness is returned.
2567 2006-05-02 Jeff Law <law@redhat.com>
2569 PR tree-optimization/27364
2570 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2571 multiply expressions.
2573 2006-05-02 Tom Tromey <tromey@redhat.com>
2575 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2577 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2580 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2581 -mthumb -fPIC are used.
2583 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2584 Joshua Kinard <kumba@gentoo.org>
2587 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2588 with 64-bit pointers.
2590 2006-05-02 Paul Brook <paul@codesourcery.com>
2592 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2594 (create_fix_barrier): Check that a suitable barrier location is
2596 (arm_reorg): Include ftmp->address in allowable range of addresses.
2598 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2601 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2604 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2607 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2608 around RESULT_DECL for result passed by reference.
2609 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2610 * omp-low.c (use_pointer_for_field): Don't look at
2611 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2612 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2613 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2614 time or var for passing by reference for
2615 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2616 TREE_ADDRESSABLE variables when passing by reference.
2618 * omp-low.c (dump_omp_region): Fix output formatting.
2621 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2622 (expand_omp_parallel): Likewise.
2623 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2626 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2627 on statement list containing also constructors and destructors.
2628 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2631 * except.c (duplicate_eh_regions): Fix clearing of
2632 cfun->eh->region_array entries.
2634 2006-05-01 DJ Delorie <dj@redhat.com>
2636 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2638 (gcc_cv_objdump): Likewise.
2639 * configure: Regenerated.
2641 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2644 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2645 templates for case 3 and 4.
2647 2006-05-01 DJ Delorie <dj@redhat.com>
2649 * vec.c: Include bconfig.h when appropriate.
2650 * Makefile.in (build/vec.o): Adjust dependencies.
2651 * mkconfig.sh: Make sure config.h isn't used for build machine
2654 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2656 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2658 (mark_phi_for_rewrite): New function.
2659 (insert_phi_nodes_for, mark_use_interesting): Call
2660 mark_phi_for_rewrite.
2661 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2662 (update_ssa): Initialize and free phis_to_rewrite.
2664 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2666 PR rtl-optimization/27291
2667 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2668 folded to a constant.
2670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2672 PR tree-optimization/27283
2673 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2674 not whole # of iteration descriptions.
2675 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2676 uses abnormal ssa name.
2677 (niter_for_single_dom_exit): Ditto.
2678 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2679 return just the number of iterations.
2681 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2683 PR tree-optimization/27144
2684 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2685 (record_estimate): Only record constant upper bound.
2686 (infer_loop_bounds_from_undefined): Call
2687 compute_estimated_nb_iterations just once.
2688 (proved_non_wrapping_p): Renamed to ...
2689 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2690 (convert_step_widening, scev_probably_wraps_p): Call
2691 n_of_executions_at_most instead of proved_non_wrapping_p.
2692 (substitute_in_loop_info): Do not replace values in bounds.
2693 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2696 2006-05-01 Richard Henderson <rth@redhat.com>
2699 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2700 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2703 2006-05-01 Roger Sayle <roger@eyesopen.com>
2705 * c-typeck.c (parser_build_binary_op): Don't call the function
2706 unsigned_conversion_warning to spot operand/result type overflow.
2707 (build_binary_op): Instead, call convert_and_check instead of
2708 convert to report the problem when the operands are promoted.
2709 * c-common.c (unsigned_conversion_warning): Make static.
2710 * c-common.h (unsigned_conversion_warning): Delete prototype.
2712 2006-05-01 Richard Guenther <rguenther@suse.de>
2714 PR tree-optimization/26726
2715 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2717 (find_interesting_uses_address): ... we work around here
2718 by folding INDIRECT_REFs in the substituted base.
2720 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2722 * omp-low.c (dump_omp_region): Add newlines.
2724 2006-04-30 Roger Sayle <roger@eyesopen.com>
2726 * common.opt (Woverflow): New command line option.
2727 * c-common.c (constant_expression_warning): Check warn_overflow.
2728 (overflow_waring): Pass OPT_Woverflow to warning.
2729 (unsigned_conversion_warning): Likewise.
2730 (convert_and_check): Likewise.
2731 * doc/invoke.texi: Document new command line option.
2733 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2735 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2736 TARGET_NO_FP_IN_TOC for section anchors.
2737 (optimization_options): Enable section anchors for all
2738 non-"Objective" languages.
2740 2006-04-28 Eric Christopher <echristo@apple.com>
2742 * config/darwin-c.c (darwin_ms_struct): Move this
2743 (darwin_set_default_type_attributes): and this...
2744 * config/darwin.c: ... here.
2745 * config/darwin.h (darwin_ms_struct): Declare.
2747 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2749 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2751 2006-04-28 Roger Sayle <roger@eyesopen.com>
2754 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2755 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2756 an unsigned HOST_WIDE_INT.
2757 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2759 (really_start_incremental_init): No need to call convert because
2760 bitsize_zero_node is already of type bitsizetype.
2761 (push_init_level): Extract the value of constructor_index as an
2762 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2763 (process_init_element): Likewise.
2765 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2767 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2768 value before passing to make_relative_prefix.
2770 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2773 * builtins.c (expand_builtin_memset): Expand val in original mode.
2775 2006-04-27 Eric Christopher <echristo@apple.com>
2777 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2778 with #ifndef/#endif.
2779 * config/darwin-c.c (darwin_ms_struct): New.
2780 (darwin_pragma_ms_struct): Ditto.
2781 (darwin_set_default_type_attributes): Ditto.
2782 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2783 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2784 Register ms_struct pragma.
2785 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2786 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2787 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2788 darwin_set_default_type_attributes if TARGET_MACHO.
2790 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2792 PR tree-optimization/26854
2793 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2794 * doc/tree-ssa.texi: Update immuse iterator documentation.
2795 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2797 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2798 first_safe_imm_use, next_safe_imm_use): Remove.
2799 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2800 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2801 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2802 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2803 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2804 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2805 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2806 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2807 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2808 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2809 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2810 (perfect_nestify): Use new iterator.
2811 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2813 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2814 (next_imm_name): New field in struct immediate_use_iterator_d.
2815 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2816 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2817 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2818 * tree-cfg.c (replace_uses_by): Use new iterator.
2819 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2820 * tree-ssa-operands.c (correct_use_link): Remove.
2821 (finalize_ssa_use_ops): No longer call correct_use_link.
2823 2006-04-27 Stuart Hastings <stuart@apple.com>
2825 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2826 * config/t-darwin (crt3.o): Use it.
2827 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2828 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2829 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2830 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2831 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2834 2006-04-27 Roger Sayle <roger@eyesopen.com>
2836 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2837 size, force the intermediate into a new pseudo rather instead of
2838 performing both a bitwise AND and a bitwise IOR in memory.
2840 2006-04-27 Richard Guenther <rguenther@suse.de>
2842 PR rtl-optimization/26685
2843 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2844 this one "max-flow-memory-locations".
2846 2006-04-27 Richard Guenther <rguenther@suse.de>
2848 PR tree-optimization/25148
2849 * tree-vrp.c (compare_values): Remove code dealing with
2850 comparisons against type min/max value. Honour overflow
2851 and negative constants in code dealing with comparisons
2852 of plus and minus expressions.
2853 (value_inside_range): Use fold_binary with LE_EXPR and
2854 GE_EXPR rather than compare_values.
2856 2006-04-27 Dirk Mueller <dmueller@suse.de>
2858 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2861 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2863 * basic-block.h (safe_insert_insn_on_edge): Removed.
2864 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2866 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2867 Paolo Bonzini <bonzini@gnu.org>
2870 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2871 (simplify_and_const_int): Same.
2873 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2875 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2877 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2880 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2881 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2882 cgraph_global_info_ready.
2885 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2888 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2889 either decl or init is error_mark_node.
2892 * tree-flow.h (struct omp_region): Add sched_kind.
2893 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2894 instead of extracting omp for data.
2895 (expand_omp_for): Save extracted sched_kind.
2897 2006-04-25 Roger Sayle <roger@eyesopen.com>
2899 * expmed.c (store_bit_field): Also check whether the bitsize is
2900 valid for the machine's "insv" instruction before moving the
2901 target into a pseudo for use with the insv.
2902 * config/i386/predicates.md (const8_operand): New predicate.
2903 * config/i386/i386.md (extv, extzv, insv): Use the new
2904 const8_operand predicate where appropriate.
2906 2006-04-25 DJ Delorie <dj@redhat.com>
2908 * doc/install.texi (Specific): Clarify that this is not a list of
2909 supported hosts or targets.
2911 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2913 PR rtl-optimization/26725
2914 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2915 block's BB_DIRTY flag.
2917 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2919 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2922 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2923 to print an integer.
2925 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2927 * varasm.c (align_variable): New function.
2928 (get_block_for_decl): Apply align_variable to DECL before
2929 calculating section information.
2930 (assemble_variable): Split out alignment computation.
2932 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2934 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2937 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2939 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2940 MODE_PARTIAL_INT mode.
2941 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2942 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2944 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2945 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2947 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2949 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2951 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2952 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2953 MACFLAG_IH): Likewise.
2954 (movstricthi_1): Renamed from "*movstricthi".
2955 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2956 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2957 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2958 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2959 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2960 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2961 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2962 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2963 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2964 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2965 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2966 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2967 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2968 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2969 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2971 * doc/rtl.texi (ss_ashift): Improve wording.
2973 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2975 * dwarf2out.c (verify_marks_clear): New.
2976 (prune_unused_types): Call verify_marks_clear initially, not
2979 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2981 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2982 * doc/rtl.texi: Document them.
2983 * simplify-rtx.c (simplify_unary_operation,
2984 simplify_binary_operation_1): Don't abort when we see them.
2986 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2989 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2990 * configure.ac: Completely disregard languages that are not
2992 * configure: Regenerated.
2994 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2995 Richard Guenther <rguenther@suse.de>
2997 PR tree-optimization/27236
2998 * tree-inline.c (copy_body_r): Make sure to copy
2999 TREE_THIS_VOLATILE flag.
3001 2006-04-24 Richard Guenther <rguenther@suse.de>
3004 * tree-complex.c (update_parameter_components): Don't handle
3005 unused parameters which have no default def.
3007 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3008 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/27218
3011 * tree-inline.c (expand_call_inline): Strip useless type
3012 conversions for the return slot address.
3014 2006-04-24 Richard Guenther <rguenther@suse.de>
3016 * cfgloop.h (struct loops): Remove unused field array. Reorder
3018 (LOOP_PREFETCH): Remove.
3020 2006-04-24 Richard Guenther <rguenther@suse.de>
3022 PR tree-optimization/22525
3023 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3024 variable, adjust types of generated expressions.
3026 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3028 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3029 (tree-vect-patterns.o): Likewise.
3031 (cselib.o): Likewise.
3032 (loop-doloop.o): Likewise.
3033 (regclass.o): Likewise.
3034 (reload1.o): Likewise.
3035 (explow.o): Replace target.h with $(TARGET_H).
3036 (ipa-prop.o): Likewise.
3037 (ipa-cp.o): Likewise.
3038 (ipa-inline.o): Likewise.
3039 (reorg.o): Likewise.
3040 (reg-stack.o): Likewise.
3042 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3044 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3046 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3048 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3050 * configure.ac: Completely disregard languages that are not
3052 * configure: Regenerated.
3055 * c-common.h (c_build_bitfield_integer_type): Declare.
3056 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3057 * c-common.c (c_build_bitfield_integer_type): ... here.
3059 2006-04-23 Roger Sayle <roger@eyesopen.com>
3062 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3063 a SImode SUBREG of a floating point register after no_new_pseudos.
3065 2006-04-23 Roger Sayle <roger@eyesopen.com>
3067 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3068 identify potentially eliminable registers to additionally catch
3069 VIRTUAL_INCOMING_ARGS_REGNUM.
3070 (addsi3): Update the conditions on when to use addsi_small_int.
3072 2006-04-23 Roger Sayle <roger@eyesopen.com>
3075 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3076 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3077 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3079 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3081 * fold-const.c (range_predecessor): Use operand_equal_p
3082 as the predicate for equality.
3083 (range_successor): Likewise.
3085 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3088 * config/soft-fp/op-common.h: Fix a typo.
3090 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3093 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3094 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3096 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3098 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3100 * doc/tm.texi: Fix a typo.
3102 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3104 * dwarf2out.c (struct die_struct): Document that die_sib makes
3105 a circular linked list.
3106 (FOR_EACH_CHILD): New.
3107 (reverse_die_lists): Delete.
3108 (reverse_all_dies): Delete.
3109 (add_dwarf_attr): Correct documentation.
3110 (remove_child_with_prev): New.
3111 (remove_child_TAG): Update for change to die_struct, use
3112 remove_child_with_prev.
3113 (add_child_die): Update for change to die_struct.
3114 (splice_child_die): Use remove_child_with_prev and add_child_die.
3115 (print_die): Use FOR_EACH_CHILD.
3116 (die_checksum): Likewise.
3117 (assign_symbol_names): Likewise.
3118 (output_location_lists): Likewise.
3119 (build_abbrev_table): Likewise.
3120 (calc_die_sizes): Likewise.
3121 (mark_dies): Likewise.
3122 (unmark_dies): Likewise.
3123 (unmark_all_dies): Likewise.
3124 (output_die): Likewise.
3125 (prune_unused_types_mark): Likewise.
3126 (prune_unused_types_walk): Likewise.
3127 (same_die_p): Update for change to die_struct.
3128 (break_out_includes): Likewise.
3129 (prune_unused_types_prune): Likewise.
3130 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3131 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3133 (dwarf2out_finish): Don't call reverse_all_dies.
3135 2006-04-21 Eric Christopher <echristo@apple.com>
3137 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3138 in comments and function names.
3140 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3143 * c-typeck.c (digest_init): Robustify.
3145 * c-typeck.c (pop_init_level): Simplify.
3147 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3149 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3151 2006-04-21 Paul Brook <paul@codesourcery.com>
3153 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3154 hardware floating point.
3156 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3158 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3161 2006-04-21 Nick Clifton <nickc@redhat.com>
3163 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3166 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3169 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3170 C++ lang type in traceback table for Objective-C++.
3172 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3174 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3176 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3178 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3181 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3182 were errors. Remove check for erroneous objects.
3184 2006-04-20 Jeff Law <law@redhat.com>
3186 PR tree-optimization/26854
3187 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3188 checking for zero or one use.
3189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3190 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3191 * tree-ssa-reassoc.c (negate_value): Similarly.
3192 (reassociate_bb): Similarly.
3194 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3196 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3197 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3198 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3200 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3202 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3203 fp regs if the last fp arg doesn't fit in regs.
3205 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3208 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3209 that the last insn has the REG_INC note.
3211 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3212 Nathan Sidwell <nathan@codesourcery.com>
3215 * stor-layout.c (update_alignment_for_field): Do not align
3217 (place_union_field): Place union field at the start of the union.
3218 (place_field): Move ERROR_MARK check later, and use the current
3219 allocation position to maintain monotonicity.
3221 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3223 * dominance.c: Include timevar.h.
3224 (calculate_dominance_info): Use TV_DOMINANCE.
3225 * timevar.def (TV_DOMINANCE): New timevar.
3226 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3228 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3230 PR rtl-optimization/14261
3231 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3232 move would be an INSV insn.
3233 (noce_process_if_block): Don't optimize if the destination is a
3234 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3236 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3238 * config/s390/s390.md: Add comments with the instructions emitted
3239 by an insn pattern if macros are used.
3241 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3243 PR rtl-optimization/26026
3244 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3245 is a known power of two shifted left a variable amount.
3247 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3249 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3250 to hash table twice when the debug_str section has SECTION_MERGE.
3252 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3254 * config/soft-fp: New directory. From glibc.
3255 * config/soft-fp/t-softfp: New.
3256 * config/soft-fp/README: New.
3257 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3258 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3259 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3260 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3261 * config.gcc: Use rs6000/t-fprules-fpbit or
3262 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3264 * config/rs6000/sfp-machine.h: New. Based on glibc.
3265 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3267 * config/rs6000/t-fprules: Remove fp-bit rules.
3268 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3269 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3270 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3271 (softfp_wrap_start, softfp_wrap_end): New.
3273 2006-04-18 DJ Delorie <dj@redhat.com>
3275 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3277 2006-04-18 Devang Patel <dpatel@apple.com>
3279 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3281 2006-04-18 Nick Clifton <nickc@redhat.com>
3283 * config/sh/t-symbian: Add rule to build sh-c.o
3284 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3285 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3286 (sh_symbian_encode_section_info): Likewise.
3288 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3290 * builtins.c (expand_builtin_strcmp): Cover label definition of
3291 do_libcall with HAVE_cmpstrnsi.
3293 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3295 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3297 * function.h (temp_slot_p): New.
3298 (function): Change the type of x_used_temp_slots to
3299 VEC(temp_slot_p,gc) *.
3301 2006-04-18 Nick Clifton <nickc@redhat.com>
3303 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3304 flag_strength_reduce.
3306 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3308 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3312 Partial revert of revision 112637
3313 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3314 Dale Johannesen <dalej@apple.com>
3317 * regclass.c (struct reg_pref): Update documentation.
3318 (regclass): Set prefclass to NO_REGS if memory is the best option.
3319 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3321 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3323 PR tree-optimization/26821
3324 * tree-ssa-math-opts.c (get_constant_one): New.
3325 (insert_reciprocals): Use it.
3327 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3329 * dwarf2out.c (free_AT): Delete.
3330 (remove_AT): Update string ref counts.
3331 (remove_child_TAG): Don't call free_die.
3333 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3334 or DW_TAG_GNU_EINCL.
3335 (prune_unused_types_walk_attribs): Reset string refcounts.
3336 (prune_unused_types_update_strings): New.
3337 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3338 call free_die. Do call prune_unused_types_update_strings.
3339 (prune_unused_types): Empty debug_str_hash.
3341 2006-04-17 Roger Sayle <roger@eyesopen.com>
3343 * expr.c (expand_assignment): Optimize away no-op moves where the
3344 source and destination are equal and have no side-effects.
3346 2006-04-17 Richard Guenther <rguenther@suse.de>
3349 * reload.c (push_reload): Guard calls to get_secondary_mem
3352 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3354 * alias.c (reg_base_value, old_reg_base_value): Change the
3355 type to VEC(rtx,gc) *.
3356 (REG_BASE_VALUE, find_base_value, record_set,
3357 init_alias_analysis): Use VEC instead of VARRAY.
3359 * alias.c (alias_sets): Change the type to
3360 VEC(alias_set_entry,gc) *.
3361 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3362 VEC instead of VARRAY.
3363 (last_alias_set): Remove.
3365 * cgraph.h (cgraph_edge_p): New.
3366 Update the prototype of cgraph_function_versioning.
3367 * cgraphunit.c (cgraph_copy_node_for_versioning,
3368 cgraph_function_versioning): Use VEC instead of VARRAY.
3369 * ipa-cp.c (ipcp_insert_stage): Likewise.
3371 2006-04-16 Roger Sayle <roger@eyesopen.com>
3374 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3375 "A op B" or "A op C", we may need to convert A to the type of B and C.
3377 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3379 * target.h (struct gcc_target): Add mode_rep_extended.
3380 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3381 (init_num_sign_bit_copies_in_rep): Initialize it using
3383 (truncate_to_mode): Use it.
3384 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3385 * targhooks.h (default_mode_rep_extended): Declare it.
3386 * targhooks.c (default_mode_rep_extended): Define it.
3387 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3388 default_mode_rep_extended.
3389 (TARGET_INITIALIZER): Include it.
3390 * doc/tm.texi (Misc): Document it.
3391 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3392 (mips_truncated_to_mode): New function.
3394 2006-04-16 Roger Sayle <roger@eyesopen.com>
3397 * expr.c (compress_float_constant): Copy the narrow constant into
3398 a new pseudo before extending it to its final width.
3400 2006-04-16 Roger Sayle <roger@eyesopen.com>
3401 Andrew Pinski <pinskia@gcc.gnu.org>
3402 Dale Johannesen <dalej@apple.com>
3405 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3406 special case code to implement V8HImode and V16QImode with SSE2.
3408 2006-04-15 Roger Sayle <roger@eyesopen.com>
3410 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3411 trees are constructed with a suitable tree type.
3413 2006-04-15 Roger Sayle <roger@eyesopen.com>
3415 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3416 (integer_onep): Likewise.
3417 (integer_all_onesp): Likewise.
3418 (integer_pow2p): Likewise.
3419 (integer_nonzerop): Likewise.
3420 (real_zerop): Likewise.
3421 (real_onep): Likewise.
3422 (real_twop): Likewise.
3423 (real_minus_onep): Likewise.
3424 (int_size_in_bytes): Likewise.
3425 (host_integerp): Likewise.
3427 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3429 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3430 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3431 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3433 * tree-ssa-structalias.h (alias_info): Remove num_references.
3435 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3437 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3438 (output_bvb patterns): Likewise.
3439 * pa.c (output_bb): Use 'bb' insn for long branch case.
3440 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3441 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3442 1. Correct length operand for alternatives 1 and 2.
3443 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3444 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3446 2006-04-14 Roger Sayle <roger@eyesopen.com>
3448 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3449 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3450 were accidentally reverted by r112959.
3452 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3455 * except.h (eh_region_outermost): New prototype.
3456 * except.c (eh_region_outermost): New function.
3457 * tree-cfg.c (find_outermost_region_in_block): Use it.
3459 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3461 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3463 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3464 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3465 (init_reload, reload): Use VEC instead of VARRAY.
3466 * reload.h: Update the prototype for
3467 reg_equiv_memory_loc_varray.
3469 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3470 Eric Botcazou <ebotcazou@libertysurf.fr>
3472 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3475 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3478 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3479 to expand fallback builtin function call.
3481 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3484 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3485 and emit libcall here in case the builtin fails.
3486 (expand_builtin_strcmp): Always emit the libcall here on failure.
3488 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3490 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3491 * flow.c (reg_n_info): Change the type to
3492 VEC(reg_info_p,heap) *.
3493 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3495 * regs.h (reg_info_p): New.
3496 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3497 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3498 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3501 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3503 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3505 * params.h (MAX_SCHED_READY_INSNS): New macro.
3506 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3507 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3508 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3509 the ready list for 1 cycle during the first scheduling pass.
3510 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3512 2006-04-13 Richard Henderson <rth@redhat.com>
3515 * gimple-low.c (lower_omp_directive): Remove dead code.
3516 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3517 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3518 * omp-low.c (struct omp_region): Move to tree-flow.h.
3519 (root_omp_region): Export.
3520 (omp_regions, lookup_omp_region): Remove.
3521 (determine_parallel_type): Update for struct omp_region changes.
3522 (dump_omp_region): Dump regions with block numbers.
3523 (new_omp_region): Take type and block instead of stmt; malloc
3525 (free_omp_region_1, free_omp_regions): New.
3526 (expand_parallel_call): Take entry_stmt as argument; update for
3527 changes to omp_region.
3528 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3529 (remove_exit_barriers): New.
3530 (expand_omp_parallel): Update for struct omp_region changes.
3531 (expand_omp_synch): Likewise.
3532 (expand_omp): Likewise.
3533 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3534 (expand_omp_for_static_chunk): Likewise.
3535 (expand_omp_for): Likewise.
3536 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3537 (expand_omp_sections): Similarly, with GOMP_sections_end.
3538 (expand_omp_single): New.
3539 (build_omp_regions_1): Update for OMP_CONTINUE.
3540 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3541 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3542 OMP_SECTIONS_SECTIONS.
3543 (lower_omp_single_simple): Don't emit barrier here.
3544 (lower_omp_single_copy): Likewise.
3545 (lower_omp_single): Fix bindings, and lower to straightline now.
3546 (lower_omp_master, lower_omp_ordered): Likewise.
3547 (lower_omp_critical): Likewise.
3548 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3549 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3550 omp edges, free it afterward.
3551 (make_omp_sections_edges): Remove.
3552 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3553 (move_stmt_r): Handle OMP_CONTINUE.
3554 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3555 statement pointers to basic blocks. Add type member.
3556 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3557 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3558 * tree-inline.c (estimate_num_insns_1): Likewise.
3559 * tree-pretty-print.c (dump_generic_node): Likewise.
3560 * tree-ssa-operands.c (get_expr_operands): Likewise.
3561 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3562 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3563 (OMP_CONTINUE): New.
3564 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3565 (OMP_SECTIONS_SECTIONS): Remove.
3566 (OMP_SECTION_LAST): New.
3567 (OMP_RETURN_NOWAIT): New.
3569 2006-04-13 Roger Sayle <roger@eyesopen.com>
3571 * fold-const.c (native_encode_vector, native_interpret_real):
3572 Correct obvious mistakes in the previous check-in.
3574 2006-04-13 Roger Sayle <roger@eyesopen.com>
3576 * fold-const.c (native_encode_expr): New function to encode
3577 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3578 or VECTOR_CST into a specified buffer.
3579 (native_encode_int): New function.
3580 (native_encode_real): New function.
3581 (native_encode_complex): New function.
3582 (native_encode_vector): New function.
3583 (native_interpret_expr): Inverse of native_encode_expr to convert
3584 a target representation into an INTEGER_CST, REAL_CST etc...
3585 (native_interpret_int): New function.
3586 (native_interpret_real): New function.
3587 (native_interpret_complex): New function.
3588 (native_interpret_vector): New function.
3589 (fold_view_convert_expr): New function to constant fold/evaluate
3590 a VIEW_CONVERT_EXPR of a suitable constant expression.
3591 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3592 Change call of build1 to fold_build1 when constructing a
3595 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3596 Ulrich Weigand <uweigand@de.ibm.com>
3599 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3602 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3605 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3606 optimize to lo_sum for DFmode if !TARGET_FPRS.
3608 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3610 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3611 delete_alias_info, compute_flow_sensitive_aliasing,
3612 group_aliases): Use VEC instead of VARRAY.
3613 * tree-ssa-structalias.c (update_alias_info): Likewise.
3614 * tree-ssa-structalias.h (alias_info): Change the type of
3615 processed_ptrs to VEC(tree,heap) *.
3617 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3620 * config/sh/lib1funcs.h: New file, broken out of:
3621 * config/sh/lib1funcs.asm.
3622 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3624 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3625 * config/sh/lib1funcs-Os-4-200.asm: New file.
3626 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3627 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3628 (EXTRA_MULTILIB_PARTS): Include it.
3629 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3630 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3631 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3632 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3635 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3637 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3638 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3639 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3641 * tree-ssa-live.h: Include vecprim.h.
3642 (tree_partition_associator_d): Change the type of
3643 first_partition to VEC(int,heap) *.
3644 (tpa_first_partition): Use VEC instead of VARRAY.
3646 * Makefile.in (GTFILES): Move functions.h after tree.h.
3647 * function.c (reset_block_changes, record_block_change,
3648 check_block_change, free_block_changes): Use VEC instead of
3650 * function.h (function): Change the type of
3651 ib_boundaries_block to VEC(tree,gc) *.
3652 * tree-inline.c (copy_cfg_body): Initialize
3653 ib_boundaries_block to NULL instead of (varray_type) 0.
3655 2006-04-12 Roger Sayle <roger@eyesopen.com>
3657 * expr.c (emit_group_store): Correct operand order in call to
3658 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3659 a SUBREG_BYTE of zero.
3661 2006-04-12 Richard Guenther <rguenther@suse.de>
3663 * profile.c (compute_branch_probabilities): Remove code
3664 encapsulated in !ir_type (), which are remanents of the
3665 removed RTL profiling code.
3666 * rtl-profile.c: Remove.
3668 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3670 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3671 magic NULL_RTX comment.
3672 (function_arg): Store entire fp arg to mem if any part should go
3674 (rs6000_arg_partial_bytes): Adjust for above change.
3676 2006-04-11 Roger Sayle <roger@eyesopen.com>
3678 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3679 if it hasn't been initialized by dwarf2out_init.
3681 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3683 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3684 symbolic constants in branch patterns.
3686 2006-04-11 Roger Sayle <roger@eyesopen.com>
3688 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3690 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3692 PR rtl-optimization/27073
3693 * gcse.c (try_replace_reg): Revert last change. Continue to search
3694 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3697 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3699 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3700 aggregate types other than record and union types.
3701 (function_arg): Likewise.
3702 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3704 (function_value): In 64-bit mode, return objects that require it
3707 2006-04-11 Roger Sayle <roger@eyesopen.com>
3709 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3711 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3713 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3715 2006-04-03 Jeff Law <law@redhat.com>
3718 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3719 alias information too.
3721 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3723 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3725 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3728 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3729 (premark_used_types_helper): New.
3730 (premark_used_types): New.
3731 (gen_subprogram_die): Call premark_used_types.
3732 (prune_unused_types_walk): Do not prune perennial dies.
3733 * function.c (used_types_insert): New.
3734 * function.h (struct function): Add used_types_hash field.
3735 (used_types_insert): Add prototype.
3736 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3737 * c-parser.c (c_parser_cast_expression): Save casted types in used
3740 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3743 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3744 rs6000_explicit_options.float_gprs.
3746 2006-04-10 Roger Sayle <roger@eyesopen.com>
3748 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3749 from ix86_expand_vector_init_low_nonzero. Take an additional
3750 one_var argument indicating which element is non-zero. Support
3751 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3752 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3753 with one_var instead of ix86_expand_vector_init_low_nonzero.
3755 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3757 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3758 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3759 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3760 build/genextract.o): Depend on vecprim.h.
3761 * cfglayout.c, df-problems.c, function.c, genextract.c,
3762 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3763 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3767 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3769 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3770 Declare VECs of this type.
3771 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3772 (remove_children): Delete.
3773 (add_dwarf_attr): Use VEC routines.
3774 (add_AT_flag): Update for changes to add_dwarf_attr.
3775 (add_AT_int): Likewise.
3776 (add_AT_unsigned): Likewise.
3777 (add_AT_long_long): Likewise.
3778 (add_AT_vec): Likewise.
3779 (add_AT_string): Likewise.
3780 (add_AT_die_ref): Likewise.
3781 (add_AT_fde_ref): Likewise.
3782 (add_AT_loc): Likewise.
3783 (add_AT_loc_list): Likewise.
3784 (add_AT_addr): Likewise.
3785 (add_AT_lbl_id): Likewise.
3786 (add_AT_lineptr): Likewise.
3787 (add_AT_macptr): Likewise.
3788 (add_AT_offset): Likewise.
3789 (add_AT_range_list): Likewise.
3790 (get_AT): Use VEC_iterate.
3791 (remove_AT): Use VEC_ordered_remove.
3792 (free_die): Fold remove_children into here; have it use VEC_iterate.
3793 (print_die): Use VEC_iterate on attrs.
3794 (reverse_die_lists): Don't reverse attr lists.
3795 (die_checksum): Use VEC_iterate on attrs.
3796 (same_die_p): Likewise.
3797 (output_location_lists): Likewise.
3798 (build_abbrev_table): Likewise.
3799 (size_of_die): Likewise.
3800 (unmark_all_dies): Likewise.
3801 (output_abbrev_section): Likewise.
3802 (output_die): Likewise.
3803 (prune_unused_types_walk_attribs): Likewise.
3805 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3807 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3809 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3812 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3814 2006-04-09 Roger Sayle <roger@eyesopen.com>
3816 * expr.c (store_constructor): Don't bother clearing target if
3817 we're about to assign a vector to it using vec_init_optab.
3819 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3821 * tree-ssa-alias.c (lhs_may_store_to): New function.
3822 (recalculate_used_alone): Handle LHS of calls.
3824 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3828 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3829 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3830 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3831 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3832 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3833 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3834 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3835 stubs. Add ".align 8" directives before all ".dword" directives.
3836 (GTHREAD_USE_WEAK): Revise comment.
3837 (TARGET_ATTRIBUTE_WEAK): Define.
3838 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3839 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3840 * stublib.c: New file.
3845 * pa.md (cbranch patterns): Revise arguments used in calls to
3846 output_cbranch, output_bb and output_bvd. Add long branch length
3848 (fbranch patterns): Handle long branches.
3849 (jump): Revise length check. Revise arguments for output_lbranch call.
3850 Add long branch length attributes.
3851 (decrement_and_branch_until_zero): Add long branch length attributes.
3852 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3853 Likewise. Revise arguments for output_parallel_addb and
3854 output_parallel_movb calls.
3855 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3856 output_parallel_movb and output_parallel_addb): Update prototypes.
3857 * pa.c (output_cbranch): Revise arguments. Correct handling of
3858 nullification in long branches.
3859 (output_lbranch): Add new argument to control extraction of delay
3861 (output_bb): Handle long branches.
3862 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3863 output_parallel_addb): Likewise.
3865 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3867 PR rtl-optimization/27073
3868 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3871 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3873 * tree.h (tree_memory_tag): Add old_used_alone.
3874 (SMT_OLD_USED_ALONE): New macro.
3875 * tree-ssa-alias.c (recalculate_used_alone): Stop
3876 marking things for renaming unnecessarily.
3878 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3880 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3881 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3882 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3883 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3884 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3885 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3886 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3887 spelling convensions.
3888 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3889 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3890 typos. Follow spelling conventions.
3892 2006-04-07 DJ Delorie <dj@redhat.com>
3894 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3895 passed on the stack.
3896 (m32c_init_cumulative_args): When a function returns a structure,
3897 always pass the pointer to that return area on the stack.
3898 (m32c_function_arg_advance): Don't increment the parameter number
3899 if we're processing the returned structure pointer.
3900 (pushm_info): Reverse order of registers.
3902 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3904 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3905 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3906 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3907 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3909 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3910 chrec_fold_multiply): Same.
3911 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3912 force_expr_to_var_cost): Same.
3913 * tree-mudflap.c (mf_xform_derefs_1): Same.
3914 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3916 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3918 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3919 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3922 2006-04-07 Jan Hubicka <jh@suse.cz>
3924 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3926 2006-04-07 Richard Guenther <rguenther@suse.de>
3928 PR tree-optimization/26135
3929 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3930 loads for store copy-prop.
3931 (copy_prop_visit_stmt): Likewise.
3933 2006-04-05 Robert Millan <robertmh@gnu.org>
3935 * config/i386/linux.h: Add a comment to mark macros that are
3936 being overriden in config/k*bsd-gnu.h.
3937 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3939 * config/knetbsd-gnu.h: Ditto.
3941 2006-04-06 Jan Hubicka <jh@suse.cz>
3945 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3948 2006-04-06 Mike Stump <mrs@apple.com>
3950 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3951 for HAVE_nonlocal_goto to be consistent.
3952 (expand_builtin_nonlocal_goto): Likewise.
3953 (expand_builtin_strcmp): Use #ifdef instead of #if
3954 for HAVE_cmpstrnsi to be consistent.
3956 2006-04-05 DJ Delorie <dj@redhat.com>
3958 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3961 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3963 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3964 got-relative addressing for anything but SImode.
3966 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3967 even if the calling function doesn't modify them.
3969 2006-04-05 Richard Guenther <rguenther@suse.de>
3971 PR tree-optimization/26919
3972 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3973 to cgraph_estimate_size_after_inlining.
3975 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3977 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3979 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3981 PR tree-optimization/26996
3982 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3983 VECTOR_TYPE variables.
3985 2006-04-05 Richard Guenther <rguenther@suse.de>
3987 PR tree-optimization/26763
3988 * fold-const.c (fold_comparison): Move folding of
3989 PTR + CST CMP PTR + CST ...
3990 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3992 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3994 * doc/install.texi (Prerequisites): Refine some wording on
3995 bootstrapping and ksh.
3996 Move the version numbers of DejaGnu here from the testing section
3997 and fix casing of names.
3998 Fix markup and clarify wording for autogen requirements.
3999 Refer to GCJ instead of just java.
4000 Refer to SVN instead of CVS.
4001 Describe diffutils as useful instead of necessary.
4002 (Downloading the source): Refer to SVN instead of CVS.
4003 Adjust a link to our web site accordingly.
4004 (Configuration): Fix casing of Bison.
4005 (Building): Refer to SVN instead of CVS.
4006 Fix a sentence on the use of Bison and remove duplicate (and
4007 incorrect) version number of Bison requirement.
4008 Remove one redundant list of packages needed for building.
4009 (Specific): Avoid reference to CVS.
4011 2006-04-04 Eric Christopher <echristo@apple.com>
4013 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4014 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4015 (rs6000_handle_struct_attribute): New.
4016 (rs6000_ms_bitfield_layout_p): Ditto.
4018 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4020 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4021 NULL for dso parameter to atexit_common.
4023 2006-04-04 Eric Christopher <echristo@apple.com>
4025 * config/i386/i386.c (machopic_output_stub): Output \t
4026 between instructions and operands.
4028 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4030 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4031 satisfies_constraint_[IL] to explicit tests on value.
4033 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4035 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4036 set_nb_iterations_in_loop): Use build_int_cst instead of
4038 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4039 build_int_cst instead of convert.
4041 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4043 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4044 new value 2 for incoming.
4045 * function.c (expand_function_start): Call struct_value_rtx
4047 * config/sparc/sparc.md: Comment updated_return.
4048 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4049 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4050 struct return if sparc_std_struct_return and incoming is 2.
4051 (print_operand): Do not adjust return if
4052 sparc_std_struct_return.
4054 2006-04-04 Roger Sayle <roger@eyesopen.com>
4056 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4057 convert in the middle-end.
4058 * expr.c (store_expr, store_constructor, get_inner_reference,
4059 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4061 * tree.c (build_range_type): Likewise.
4063 2006-04-04 Tom Tromey <tromey@redhat.com>
4065 * doc/install.texi (Prerequisites): Mention jar.
4067 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4069 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4072 2006-04-04 Matthias Klose <doko@debian.org>
4074 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4075 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4078 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4080 * doc/extend.texi (Function Attributes): Rewrite visibility
4081 attribute documentation.
4082 * doc/invoke.texi (C++ Dialect Options): Rewrite
4083 -fvisibility-inlines-hidden documentation to describe something
4084 entirely different, although in practise compatible.
4085 (Code Gen Options): Warn about system headers in -fvisibility=
4088 * doc/extend.texi (Other Builtins): Document that
4089 __builtin_nan is a compile-time constant only when its argument
4092 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4094 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4095 trying to remove TRUNCATE check if all bits outside the new mode
4096 are identical to the sign bit.
4098 2006-04-03 Jeff Law <law@redhat.com>
4100 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4101 and operand scanning in some common cases.
4103 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4104 Dale Johannesen <dalej@apple.com>
4107 * regclass.c (struct reg_pref): Update documentation.
4108 (regclass): Set prefclass to NO_REGS if memory is the best option.
4109 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4110 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4111 into account. For non-registers, equate an empty preferred
4112 reload class to a `!' in the constraint; move the if clause to
4113 do so after those that reject the insn.
4114 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4116 (find_dummy_reload): Likewise.
4117 * doc/tm.texi (Register Classes): Document what it means
4118 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4119 * config/i386/i386.c (ix86_preferred_reload_class): Force
4120 using SSE registers (and return NO_REGS for floating-point
4121 constants) if math is done with SSE.
4122 (ix86_preferred_output_reload_class): New.
4123 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4124 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4125 * config/i386/i386.md: Remove # register preferences.
4127 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4130 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4131 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4132 the type of nb_iter.
4133 (instantiate_parameters_1): Convert the operands before calling
4134 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4135 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4137 2006-04-02 Roger Sayle <roger@eyesopen.com>
4139 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4140 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4142 * dojump.c (do_jump): Likewise.
4143 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4144 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4145 gimplify_boolean_expr): Likewise.
4146 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4147 * varasm.c (array_size_for_constructor): Likewise.
4148 * tree-object-size.c (compute_object_offset): Likewise.
4150 2006-04-02 Roger Sayle <roger@eyesopen.com>
4153 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4154 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4156 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4158 PR tree-optimization/26939
4159 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4161 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4163 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4164 at_stmt. Convert the type of operands before calling
4165 build_polynomial_chrec.
4166 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4168 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4169 (instantiate_parameters_1): Convert the type of operands before calling
4170 build_polynomial_chrec.
4171 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4172 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4173 reset_evolution_in_loop): Insert asserts to check the types of the
4175 (chrec_type): Moved...
4176 (eq_evolutions_p): Use operand_equal_p.
4177 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4178 the types of the operands.
4179 (chrec_type): ...here.
4180 * tree-data-ref.c (create_data_ref): Convert the operands before
4181 calling chrec_replace_initial_condition.
4182 (same_access_functions, analyze_subscript_affine_affine,
4183 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4184 (compute_subscript_distance, analyze_ziv_subscript,
4185 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4186 analyze_miv_subscript): Convert the operands before calling
4187 chrec_fold_minus or chrec_fold_plus.
4189 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4191 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4192 the dependence_relations vector.
4193 (compute_data_dependences_for_loop): Adjust call to
4194 compute_all_dependences.
4196 2006-04-01 Roger Sayle <roger@eyesopen.com>
4197 Richard Henderson <rth@redhat.com>
4199 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4200 gimple_boolify on the condition before calling gimplify_expr.
4202 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4204 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4205 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4206 the frame size. Update to use the new macros.
4207 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4208 * config/xtensa/ieee754-df.S: Likewise.
4210 2006-03-31 Richard Henderson <rth@redhat.com>
4212 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4213 (make_edges): ... here. Control fallthru creation with a local
4214 variable. Do not play with fake edges.
4215 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4216 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4219 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4221 * dwarf2.h (DW64_CIE_ID): Define.
4222 * dwarf2out.c (DWARF_CIE_ID): Define.
4223 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4224 length header. Use DWARF_CIE_ID.
4225 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4226 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4228 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4230 * config/sh/linux-atomic.asm: New file.
4231 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4233 2006-03-31 DJ Delorie <dj@redhat.com>
4235 * config/m32c/cond.md: Set condition flags properly throughout.
4236 * config/m32c/minmax.md: Likewise.
4237 * config/m32c/prologue.md: Likewise.
4238 * config/m32c/bitops.md: Likewise.
4239 * config/m32c/muldiv.md: Likewise.
4240 * config/m32c/mov.md: Likewise.
4241 * config/m32c/addsub.md: Likewise.
4242 * config/m32c/m32c.md: Likewise.
4243 * config/m32c/jump.md: Likewise.
4244 * config/m32c/shift.md: Likewise.
4246 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4247 conditionally output the pattern for this.
4248 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4249 (m32c_compare_redundant): New.
4250 (m32c_output_compare): New.
4251 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4253 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4254 dest, not src. Allow other 4-byte modes.
4256 2006-03-30 Denis Chertykov <denisc@overta.ru>
4258 * doc/md.texi: Refer to avr/constraints.md instead of
4261 2006-03-30 Roger Sayle <roger@eyesopen.com>
4263 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4264 signed vs. unsigned comparison failures on some hosts.
4266 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4269 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4270 change to FLOAT_REGS.
4272 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4273 (rs6000_override_options): Use it.
4274 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4275 only for -mabi=spe/no-spe and -mabi=altivec.
4277 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4279 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4282 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4284 * Makefile.in: Rename docdir to gcc_docdir.
4286 2006-03-30 Roger Sayle <roger@eyesopen.com>
4289 * expr.c (emit_group_store): Optimize group stores into a pseudo
4290 register by using a paradoxical subreg to initialize the destination
4291 if the first or last member of the group specifies a "low part".
4293 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4296 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4297 * target.h (struct gcc_target.speculate_insn): Change type of the
4298 second parameter to 'int'.
4299 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4300 the second operand of the DEPS_LIST.
4301 (copy_DEPS_LIST_list): Update reference to the second operand of the
4303 * rtl.h (alloc_DEPS_LIST): Update signature.
4304 * sched-int.h (ds_t): Change typedef to 'int'.
4305 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4307 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4309 * haifa-sched.c (try_ready): Change condition to restore
4310 non-speculative pattern of the instruction.
4311 (process_insn_depend_be_in_spec): Code to keep probability of the
4312 speculative dependence non-decreasing.
4314 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4316 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4317 (single_move_for_movmem): ... this. Also change all uses.
4318 (bfin_expand_strmov): Renamed to...
4319 (bfin_expand_movmem): ... this. Also change all uses.
4320 * config/bfin/bfin.md (movstrsi): Renamed to...
4321 (movstrsi): ...this.
4323 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4325 PR tree-optimization/26830
4327 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4328 (copy_prop_visit_stmt): Remove write-only variable ann.
4329 (init_copy_prop): Check variable loop depth here. Do not simulate
4330 memory-tag and virtual operand PHIs except for store copy prop.
4332 2006-03-30 Richard Guenther <rguenther@suse.de>
4334 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4335 variants with double arguments.
4337 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4339 * genpreds.c (write_tm_constrs_h): Delete variable p.
4340 * genconditions.c (write_header): Add tm-constrs.h to included
4342 * genpeep.c (main): Add toplev.h to included headers.
4343 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4344 (build/genpeep.o): Add toplev.h dependency.
4345 * config/rs6000/constraints.md: Add "W" constraint.
4347 2006-03-29 Roger Sayle <roger@eyesopen.com>
4349 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4350 sizes by correctly testing whether the size fits a host integer.
4351 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4352 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4353 SImode range for the default sizetype and bitsizetype.
4355 2006-03-29 Roger Sayle <roger@eyesopen.com>
4357 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4358 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4359 quickly if the argument is already of the correct type.
4360 Call fold_build1 instead of build1. Tidy up blank lines.
4362 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4364 * genemit.c (main): Add tm-constrs.h to included headers.
4365 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4366 * genpeep.c (main): Add tm-constrs.h to included headers.
4367 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4368 (write_tm_constrs_h): this and write complete file.
4369 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4370 (write_insn_preds_c): Add tm-constrs.h to included headers.
4371 (gen_constrs): New variable.
4372 (parse_option): Parse "-c".
4373 (main): Invoke write_tm_constrs_h.
4374 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4375 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4376 (object_out_file): Add tm-constrs.h dependency.
4377 (insn-emit.o): Same.
4378 (insn-output.o): Same.
4379 (insn-peep.o): Same.
4380 (insn-preds.o): Same.
4381 (insn-recog.o): Same.
4382 (tm-constsr.h): New target.
4383 (s-constrs-h): New target.
4385 * config/rs6000/constraints.md: New file.
4386 * config/rs6000/rs6000.c: Include tm-constrs.h.
4387 (num_insn_constant_wide): Convert to satisfies_constraint.
4388 (rs6000_rtx_costs): Convert to satisfies_constraint.
4389 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4390 (CONST_OK_FOR_LETTER_P): Delete.
4391 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4392 (EXTRA_CONSTRAINT): Delete.
4393 (EXTRA_MEMORY_CONSTRAINT): Delete.
4394 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4395 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4396 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4397 satisfies_constraint.
4399 * config/i386/i386.c: Include tm-constrs.h.
4401 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4403 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4404 * tree-data-ref.c (find_data_references_in_loop,
4405 compute_data_dependences_for_loop): Use pointers to VEC.
4406 (analyze_all_data_dependences): Adjust calls.
4407 * tree-data-ref.h (find_data_references_in_loop,
4408 compute_data_dependences_for_loop): Adjust declarations.
4409 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4410 compute_data_dependences_for_loop.
4412 2006-03-29 Paul Brook <paul@codesourcery.com>
4414 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4417 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4419 PR tree-optimization/26859
4420 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4422 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4423 for the step after fold_convert.
4425 2006-03-29 Paul Brook <paul@codesourcery.com>
4427 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4428 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4430 2006-03-29 Paul Brook <paul@codesourcery.com>
4433 * targhooks.c (default_narrow_bitfield): New fuction.
4434 * targhooks.h (default_narrow_bitfield): add prototype.
4435 * target.h (gcc_target): Add narrow_volatile_bitfield.
4436 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4437 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4438 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4439 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4441 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4443 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4445 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4446 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4447 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4448 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4449 (s390_function_arg_float): Allow SDmode and DDmode values to be
4450 passed in floating point registers.
4451 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4452 check with SCALAR_FLOAT_MODE_P.
4453 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4455 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4457 PR tree-optimization/25985
4458 * tree-ssa-loop-niter.c (number_of_iterations_le,
4459 number_of_iterations_ne): Make comments more precise.
4460 (number_of_iterations_cond): Add only_exit argument. Use the
4461 fact that signed variables do not overflow only when only_exit
4463 (loop_only_exit_p): New.
4464 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4465 number_of_iterations_cond.
4467 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4469 PR tree-optimization/26643
4470 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4473 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4475 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4476 (divsi3_i4_int): Likewise.
4478 2006-03-28 Roger Sayle <roger@eyesopen.com>
4480 * expr.c (emit_group_store): Only create a new pseudo reg if the
4481 quantity it needs to hold isn't already a suitable pseudo.
4483 2006-03-28 Jeff Law <law@redhat.com>
4485 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4486 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4488 2006-03-28 Roger Sayle <roger@eyesopen.com>
4490 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4491 the equivalent ~X & Y, and the symmetry related transformations.
4492 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4493 ~X & Y, and symmetry related transforms.
4495 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4497 Revert my 2006-03-27 patches.
4499 2006-03-28 Roger Sayle <roger@eyesopen.com>
4501 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4502 ~(T1)X, when T1 and T2 are integer types of the same precision
4503 and (T2)X isn't an extension.
4505 2006-03-28 Jeff Law <law@redhat.com>
4507 PR tree-optimization/26796
4508 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4509 need EH edge cleanups rather than purging them immediately.
4510 (eliminate_degenerate_phis): Handle queued EH cleanups.
4512 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4514 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4517 2006-03-27 Roger Sayle <roger@eyesopen.com>
4520 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4521 cast BIT_NOT_EXPR operand to the correct type.
4523 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4525 * tree-loop-linear.c: Don't include varray.h.
4526 (gather_interchange_stats, try_interchange_loops,
4527 linear_transform_loops): Use VEC instead of VARRAY.
4528 * lambda-mat.c: Don't include varray.h.
4529 * tree-chrec.c: Same.
4530 * lambda-trans.c: Same.
4531 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4532 VEC instead of VARRAY.
4533 * tree-vectorizer.h: Idem.
4534 * tree-data-ref.c (dump_data_references,
4535 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4536 initialize_data_dependence_relation, finalize_ddr_dependent,
4537 compute_all_dependences, find_data_references_in_loop,
4538 compute_data_dependences_for_loop, analyze_all_data_dependences,
4539 free_dependence_relation, free_dependence_relations,
4540 free_data_refs): Idem.
4541 * tree-data-ref.h (data_reference_p, subscript_p): New.
4542 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4543 VEC instead of VARRAY.
4544 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4545 (find_data_references_in_loop, compute_data_dependences_for_loop,
4546 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4547 dump_data_dependence_relations, free_dependence_relations,
4548 free_data_refs): Adjust declaration.
4549 (lambda_transform_legal_p): Move declaration here...
4550 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4551 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4552 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4553 vect_analyze_data_refs): Use VEC instead of VARRAY.
4554 * lambda.h (lambda_transform_legal_p): ...from here.
4555 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4556 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4557 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4558 tree-chrec.o): Don't depend on VARRAY_H.
4560 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4562 * rtl.def (Copyright): Update date.
4563 (DEPS_LIST): Change type of the second operand to 'int'.
4564 * target.h (Copyright): Update date.
4565 (struct gcc_target.speculate_insn): Change type of the second parameter
4567 * lists.c (Copyright): Update date.
4568 (alloc_DEPS_LIST): Change signature. Update reference to the second
4569 operand of the DEPS_LIST.
4570 (copy_DEPS_LIST_list): Update reference to the second operand of the
4572 * rtl.h (Copyright): Update date.
4573 (alloc_DEPS_LIST): Update signature.
4574 * sched-int.h (Copyright): Update date.
4575 (ds_t): Change typedef to 'int'.
4576 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4578 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4580 * haifa-sched.c (Copyright): Update date.
4581 (try_ready): Change condition to restore non-speculative pattern
4583 (process_insn_depend_be_in_spec): Code to keep probability of the
4584 speculative dependence non-decreasing.
4586 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4588 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4589 shut up the compiler.
4591 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4593 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4594 to use lib prefix for target.
4595 ($(T)libic_invalidate_array_4-200.a): Likewise.
4596 ($(T)libic_invalidate_array_4a.a): Likewise.
4598 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4599 J"orn Rennecke <joern.rennecke@st.com>
4601 * superh.opt: New file.
4602 * sh.c (boardtype, osruntime): Remove.
4603 * superh.h (SUBTARGET_OPTIONS): Remove.
4604 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4606 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4607 arguments with ^ and/or [].
4609 * config.gcc (sh-*-*): Add quoting to account for quirk of
4611 Replace == with = in enable_incomplete_targets test.
4613 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4614 with MASK_LITTLE_ENDIAN.
4616 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4617 * config/sh/sh.opt: Added to some comments.
4618 * config/sh/superh.h: Removed some chaff.
4620 * config/sh/sh.opt: Add m4-[1234]00* options.
4621 * config/sh/sh.c (sh_handle_option): Likewise.
4622 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4623 (ic_invalidate_array_4-100.o): New rule.
4624 ($(T)libic_invalidate_array_4-100.a): Likewise.
4625 (ic_invalidate_array_4-200.o): Likewise.
4626 ($(T)libic_invalidate_array_4-200.a): Likewise.
4627 (ic_invalidate_array_4a.o): Likewise.
4628 ($(T)libic_invalidate_array_4a.a): Likewise.
4629 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4630 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4632 * config/sh/crt1.asm: Merged in profiling code.
4633 * config/sh/superh.h (STARTFILE_SPEC): Override.
4634 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4635 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4636 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4638 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4639 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4640 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4642 * sh.opt (mpretend-cmove): New option.
4643 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4644 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4645 (movsicc): Add TARGET_PRETEND_CMOVE code.
4647 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4649 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4650 s390_class_max_nregs): New function prototypes.
4651 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4652 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4653 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4654 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4656 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4658 * dwarf2out.c (add_location_or_const_value_attribute): Call
4659 tree_add_const_value_attribute if nothing else works.
4660 (reference_to_unused): New.
4661 (rtl_for_decl_init): Use reference_to_unused to decide whether
4662 to output an initializer.
4664 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4667 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4668 peephole removing spe frob_di_df_2.
4670 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4672 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4673 (subscript_dependence_tester_1): Declared.
4674 (print_dir_vectors, print_dist_vectors): New.
4675 (debug_data_dependence_relation): New.
4676 (dump_data_dependence_relation): Print more details.
4677 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4678 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4679 (save_dist_v, save_dir_v, add_outer_distances,
4680 build_classic_dist_vector_1): New.
4681 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4682 Don't test for lambda_vector_lexico_pos.
4683 (same_access_functions, add_multivariate_self_dist,
4684 add_other_self_distances, dir_from_dist): New.
4685 (build_classic_dir_vector): Replace implementation almost identical to
4686 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4688 (subscript_dependence_tester_1): New.
4689 (subscript_dependence_tester): Handle the lexicographically negative
4690 distance vectors by recomputing the dependence relation.
4691 (compute_affine_dependence): Remove parameter loop_nest_depth.
4692 (compute_self_dependence): Don't call compute_subscript_distance.
4693 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4694 Add a parameter for the loop_nest.
4695 (find_loop_nest_1, find_loop_nest): New.
4696 (compute_data_dependences_for_loop): Compute the loop nest, and give
4697 up if the nest is not well formed.
4698 * tree-data-ref.h (loop_p): New.
4699 (struct data_dependence_relation): Replace size_vect field with
4700 loop_nest, a vec of loops.
4701 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4702 (DDR_LOOP_NEST): New.
4703 (print_dir_vectors, print_dist_vectors,
4704 debug_data_dependence_relation): Declared.
4705 (index_in_loop_nest): New.
4706 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4707 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4710 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4712 * simplify-rtx.c (simplify_relational_operation): Call
4713 simplify_relational_operation_1 even if mode is VOIDmode.
4715 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4717 PR tree-optimization/26804
4718 * tree.h (DECL_CALL_CLOBBERED): New macro.
4719 (tree_decl_common): Add call_clobbered_flag.
4720 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4721 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4722 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4723 (mark_non_addressable): Ditto.
4724 * tree-ssa.c (verify_call_clobbered): New function.
4725 (verify_alias_info): Use it.
4726 * tree-pass.h (pass_reset_cc_flags): New prototype.
4727 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4728 (reset_cc_flags): New function.
4729 * passes.c (init_optimization_passes): Call reset_cc_flags after
4730 initializing referenced_vars.
4732 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4733 Roger Sayle <roger@eyesopen.com>
4736 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4737 to 1.0 for non-real operands. Implement A / A optimization for
4740 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4742 * config/i386/i386.c (size_cost): Correct the comment for
4743 cost of storing fp registers.
4744 (i386_cost): Likewise.
4745 (i486_cost): Likewise.
4746 (pentium_cost): Likewise.
4747 (pentiumpro_cost): Likewise.
4748 (k6_cost): Likewise.
4749 (athlon_cost): Likewise.
4750 (k8_cost): Likewise.
4751 (pentium4_cost): Likewise.
4752 (nocona_cost): Likewise.
4753 (generic64_cost): Likewise.
4754 (generic32_cost): Likewise.
4756 2006-03-24 Denis Chertykov <denisc@overta.ru>
4758 * config/avr/avr-protos.h (extra_constraint): Delete.
4759 (extra_constraint_Q): New declaration.
4760 * config/avr/constraints.md: New file.
4761 * config/avr/avr.md: Include it.
4762 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4763 (TMP_REGNO, ZERO_REGNO): Likewise.
4764 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4765 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4766 (extra_constraint): Delete.
4767 (extra_constraint_Q): Test for memory constraint 'Q'.
4768 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4769 (REG_CLASS_FROM_LETTER): Delete.
4770 (CONST_OK_FOR_LETTER_P): Delete.
4771 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4772 (EXTRA_CONSTRAINT): Delete.
4773 (TMP_REGNO): Delete.
4774 (ZERO_REGNO): Delete.
4776 2006-03-24 Jeff Law <law@redhat.com>
4778 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4779 directly. Call mark_new_vars_to_rename slightly earlier.
4781 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4783 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4785 (gen_compile_unit_die): Use new language types for Objective-C and
4787 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4788 DW_LANG_C_plus_plus.
4791 * config/t-darwin (crt3.o): Work around bug 26840.
4792 * config/darwin-crt3.c: Rewrite.
4793 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4795 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4797 * doc/invoke.texi: Document -femit-class-debug-always
4798 * common.opt: Add -femit-class-debug-always.
4800 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4802 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4803 index and base register.
4804 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4805 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4806 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4807 REGNO_OK_FOR_INDEX_P.
4808 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4810 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4811 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4812 REG_OK_FOR_BASE_P): Definitions removed.
4814 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4817 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4818 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4819 set yet or weren't marked as local yet.
4821 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4823 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4826 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4828 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4829 (rs6000_legitimate_small_data_p): Delete.
4830 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4831 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4832 and make static. Add forward declaration. Update uses.
4833 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4834 of offsettable_memref_p.
4835 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4836 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4838 2006-03-24 Jeff Law <law@redhat.com>
4840 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4841 around bug in immediate-use iterator.
4843 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4846 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4847 or __LITTLE_ENDIAN__.
4849 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4851 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4852 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4853 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4854 * config/sh/sh.opt (mdiv=): Amend description.
4855 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4856 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4857 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4858 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4859 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4860 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4861 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4862 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4863 TARGET_DIVIDE_CALL_FP.
4865 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4867 * haifa-sched.c (choose_ready): Fix type of the local variable.
4868 Move local variables. Add comment.
4869 (check_reg_live): Change signature. Make callable from debugger.
4870 * sched-int.h (check_reg_live): Update signature.
4871 * sched-ebb.c (check_reg_live): Update parameters.
4872 * sched-rgn.c (check_reg_live): Ditto.
4873 (region_head_or_leaf_p): Check pointer before dereferencing.
4874 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4875 before reload on optimization levels below 1.
4877 2006-03-23 Richard Henderson <rth@redhat.com>
4879 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4883 * config/alpha/predicates.md (local_symbolic_operand): Reject
4886 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4889 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4890 expressions which have overflowed constants.
4892 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4894 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4896 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4898 * cfgloopmanip.c (create_loop_notes): Removed.
4899 * final.c (final_scan_insn): Do not handle loop notes.
4900 * jump.c (squeeze_notes): Ditto.
4901 * cfglayout.c (skip_insns_after_block,
4902 duplicate_insn_chain): Ditto.
4903 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4905 * cfgloop.h (create_loop_notes): Declaration removed.
4907 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4909 * varasm.c (output_constant_pool): Restore fnname and fndecl
4911 (assemble_start_function): Adjust call accordingly.
4912 (assemble_end_function): Likewise.
4914 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4917 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4920 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4922 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4925 * system.h (ICE_EXIT_CODE): New macro.
4926 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4927 (diagnostic_action_after_output): Likewise.
4928 * gcc.c (fatal_ice): New function.
4929 (execute): Use it instead of fatal.
4930 (fancy_abort): Likewise.
4931 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4933 2006-03-22 Jeff Law <law@redhat.com>
4935 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4936 iv_analyze_result returning false.
4938 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4940 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4942 2006-03-22 Richard Henderson <rth@redhat.com>
4945 * except.c (duplicate_eh_regions_0): New.
4946 (duplicate_eh_region_1): Duplicate the children of the node as
4947 well as the node itself. Link them up properly.
4948 (duplicate_eh_region_2): Merge into ...
4949 (duplicate_eh_regions): ... here. Take copy_region argument, and
4950 copy only a sub-tree if asked. Simplify copying and fixup.
4951 (eh_region_outer_p): New.
4952 * except.h (duplicate_eh_regions): Update decl.
4953 (eh_region_outer_p): Declare.
4954 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4955 (lower_omp_master): Likewise.
4956 (lower_omp_ordered): Likewise.
4957 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4958 (move_stmt_r): Use it to remap labels. Handle recursion vs
4959 remap_decls_p properly.
4960 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4961 (find_outermost_region_in_block): New.
4962 (new_label_mapper): New.
4963 (move_sese_region_to_fn): Copy eh information to the new function
4965 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4967 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4970 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4972 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4973 into shared libraries.
4975 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4977 * doc/md.texi: Refer to i386/constraints.md instead of
4979 * config/i386/constraints.md: New file, extracted from...
4980 * config/i386/predicates.md: ...here.
4981 * config/i386/i386.md: Include constraints.md.
4983 2006-03-21 Jason Merrill <jason@redhat.com>
4985 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4988 * expr.c (init_block_move_fn): Force default visibility.
4989 (init_block_clear_fn): Likewise.
4990 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4991 * targhooks.c (default_external_stack_protect_fail): Likewise.
4993 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4995 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4996 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4997 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4998 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4999 (loadgp): Use mips_current_loadgp_style.
5000 (loadgp_noshared): New pattern.
5001 (sibcall_internal): Use MIPS_CALL.
5002 (sibcall_value_internal): Likewise.
5003 (sibcall_value_multiple_internal): Likewise.
5004 (call_internal): Likewise.
5005 (call_value_internal): Likewise.
5006 (call_value_multiple_internal): Likewise.
5007 (call_split): Use MIPS_CALL and add an 'S' constraint.
5008 (call_value_split): Likewise.
5009 (call_value_multiple_split): Likewise.
5010 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5011 (-mshared): New option.
5012 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5013 (mips_current_loadgp_style): Declare.
5014 * config/mips/mips.c (mips_classify_symbol): Avoid using
5015 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5016 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5017 TARGET_ABSOLUTE_ABICALLS.
5018 (override_options): Adjust comments. Improve the warning that is
5019 issued when -mabicalls and -G are used together.
5020 (mips_file_start): Remove comment.
5021 (mips_current_loadgp_style): New function.
5022 (mips_gnu_local_gp): New variable.
5023 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5025 (mips_output_function_prologue): Use mips_current_laodgp_style.
5026 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5027 the cprestore instruction.
5028 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5029 live for TARGET_ABSOLUTE_ABICALLS.
5030 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5031 (ASM_SPEC): Pass down -mshared and -mno-shared.
5032 (MIPS_CALL): New macro.
5033 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5035 * doc/invoke.texi (-mabicalls): Update documentation.
5036 (-mshared): Document.
5038 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5040 * config/ia64/unwind-hpux.c: New file.
5041 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5043 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5046 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5048 2006-03-21 Jeff Law <law@redhat.com>
5050 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5051 type conversions of a VR_VARYING source to a wider type.
5053 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5055 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5056 tm_file on Solaris 10 and later.
5057 (sparc64-*-solaris2*): Likewise.
5058 (sparc-*-solaris2*): Likewise.
5059 * config/sol26.h: Rename to config/sol2-6.h.
5060 * config/sol2-10.h: New file.
5062 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5065 * tree-ssa-pre.c (create_component_ref_by_pieces):
5068 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5071 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5072 return it immediately.
5074 2006-03-21 Michael Matz <matz@suse.de>
5076 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5078 (remove_arc, add_arc): Update num_out_arcs member.
5079 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5081 (cache_presence): New function.
5082 (compare_states_for_equiv): New function.
5083 (state_is_differed): Don't take number of outargs, adjust callers.
5084 Use new invariant for speeding up.
5085 (init_equiv_class): Create initial classes based on sorted
5087 (partition_equiv_class): Don't track out_arcs_num.
5088 (evaluate_equiv_classes): Call cache_presence on all states and
5091 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5093 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5094 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5095 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5096 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5098 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5099 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5100 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5101 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5102 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5104 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5105 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5106 (REGNO_REG_CLASS): ARGP is in PREGS.
5107 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5109 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5110 to deal with those addresses.
5111 * addresses.h: New file.
5112 * caller-save.c: Include "addresses.h".
5113 (init_caller_save): Use new base_reg_class function.
5114 * rtl-factoring.c: Include "addresses.h".
5115 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5116 * recog.c: Include "addresses.h".
5117 (preprocess_constraints): Use new base_reg_class function.
5118 * regrename.c: Include "addresses.h".
5119 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5120 functions. Keep track of a new var INDEX_CODE to compute valid
5122 (replace_oldest_value_addr): Likewise.
5123 (replace_oldest_value_mem): Use base_reg_class.
5124 * reload.c: Include "addresses.h".
5125 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5126 (find_reloads): Use new base_reg_class function.
5127 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5128 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5129 all callers and prototype changed.
5130 * reload1.c: Include "addresses.h".
5131 (maybe_fix_stack_asms): Use base_reg_class.
5132 * regclass.c: Include "addresses.h".
5133 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5134 (init_reg_autoinc): Use new base_reg_class function.
5135 (record_reg_classes): Likewise.
5136 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5137 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5138 Use new args to compute necessary class.
5140 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5141 regrename.o, rtl-factoring.o): Update dependencies.
5142 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5143 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5144 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5145 REG_OK_FOR_INDEX_P): Delete documentation.
5147 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5149 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5150 from V7 to V9 for Solaris 7 and above.
5152 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5154 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5155 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5156 argument pointers may not alias any other storage.
5157 * common.opt: Define option -fargument-noalias-anything.
5158 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5159 alias semantics is specified by flag_argument_noalias > 2.
5161 2006-03-20 Jeff Law <law@redhat.com>
5163 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5164 (pass_phi_only_cprop): Declare.
5165 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5167 * tree-ssa-dom.c (degenerate_phi_result): New function.
5168 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5169 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5170 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5171 (eliminate_degenerate_phis): Likewise.
5172 (pass_phi_only_cprop): New pass descriptor.
5173 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5174 support code. Callers updated.
5175 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5176 (store_copy_prop): Likewise.
5177 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5179 2006-03-20 Jason Merrill <jason@redhat.com>
5182 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5183 (push_visibility, pop_visibility): Likewise.
5184 * c-pragma.h: Declare them.
5186 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5188 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5190 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5191 parameter and use get_ebb_head_tail.
5192 (sh_md_init_global): Adjust uses of find_regmode_weight.
5194 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5196 * function.h (struct function) <x_tail_recursion_reentry>:
5197 Rename to x_stack_check_probe_note.
5198 (tail_recursion_reentry): Rename to stack_check_probe_note.
5199 * function.c: Replace tail_recursion_reentry with
5200 stack_check_probe_note everywhere.
5201 (expand_function_start): Only emit a note for
5202 stack_check_probe_note with -fstack-protect.
5203 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5205 * emit-rtl.c (remove_unnecessary_notes): Remove.
5206 (pass_remove_unnecessary_notes): Remove.
5207 * rtl.h (remove_unnecessary_notes): Remove prototype.
5208 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5209 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5210 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5212 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5215 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5216 (valid_in_set): Handle ARRAY_REF.
5217 Change "if min_variant or VH" to asserts.
5218 (create_component_ref_by_pieces): Handle ARRAY_REF.
5219 (create_expression_by_pieces): Likewise.
5220 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5222 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5224 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5225 is operand of switch, not str[0].
5227 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5229 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5230 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5232 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5234 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5235 end of insn_extra_address_constraint declaration.
5237 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5239 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5240 (no-sum-in-toc): Same.
5241 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5243 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5244 NO_FP_IN_TOC for -fPIC instead of mask.
5246 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5247 (BOOT_LDFLAGS): Delete.
5249 * config/rs6000/t-aix52: Same.
5251 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5252 (stmsi[345678]_power): New.
5254 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5256 * config/ia64/ia64.opt: Add empty line to end of file.
5258 2006-03-17 Richard Guenther <rguenther@suse.de>
5261 * builtins.c (get_pointer_alignment): For component style references
5262 adjust alignment to the component type alignment. Make sure
5263 to adjust alignment for component access of constants.
5265 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5267 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5270 2006-03-17 Paul Brook <paul@codesourcery.com>
5272 * doc/install.texi: Docuemnt --with-mode.
5273 * config.gcc: Add --with-mode for arm*-*-*.
5274 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5276 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5278 * sh.c (max_labelno_before_reorg): New variable.
5279 (sh_reorg): Initialize it.
5280 (find_barrier): Check max_labelno_before_reorg before using
5281 label_to_alignment. Take length of explicit alignment insns
5282 into account. When seeing a UNSPECV_CONST_END, return it.
5284 * sh.c (fixup_mova): Set mode of affected label to QImode.
5285 (untangle_mova): New function.
5286 (find_barrier): Use it. Check mode of label before decrementing
5288 (sh_reorg): Likewise.
5289 Set mode of all insns back to VOIDmode.
5291 * sh.c (MOVA_LABELREF): New macro.
5292 (mova_p, fixup_mova, sh_reorg): Use it.
5293 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5294 ADDR_DIFF_VEC matches mova.
5296 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5298 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5299 with ATTRIBUTE_UNUSED.
5301 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5303 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5304 pointer, instead of assuming it is possible to derive the
5305 correct args size from a call insn.
5307 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5309 * rtl.h (CONST_INT_P): Define.
5310 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5311 instead of GET_CODE(x) == CONST_INT.
5312 (vax_rtx_costs): Likewise.
5313 (vax_output_int_move): Likewise.
5314 (vax_output_int_add): Likewise.
5315 (legitimate_constant_address_p): Likewise.
5316 (index_term_p): Likewise.
5317 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5318 * config/vax/vax.md (and<mode>3): Likewise.
5319 (ashrsi3): Likewise.
5321 (movstricthi): Likewise.
5322 (movstrictqi): Likewise.
5323 (rotrsi3): Likewise.
5324 (five unnamed insns): Likewise.
5326 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5328 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5329 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5330 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5331 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5332 Pass to ASM_OUTPUT_DWARF_OFFSET.
5333 * dwarf2out.c (debug_frame_section): New.
5334 (output_call_frame_info): Use debug_frame_section. Pass it to
5335 dw2_asm_output_offset.
5336 (output_die): Pass appropriate section to dw2_asm_output_offset.
5337 (output_compilation_unit_header): Likewise.
5338 (output_pubnames): Likewise.
5339 (output_aranges): Likewise.
5340 (enum dw_val_class): Break dw_val_class_lbl_offset into
5341 dw_val_class_lineptr and dw_val_class_macptr.
5342 (add_AT_lbl_offset): Delete.
5343 (add_AT_lineptr): New.
5344 (add_AT_macptr): New.
5345 (AT_lbl): Expect a lineptr or macptr.
5346 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5347 (attr_checksum): Likewise.
5348 (same_dw_val_p): Likewise.
5349 (size_of_die): Likewise.
5350 (value_format): Likewise.
5351 (output_die): Likewise.
5352 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5354 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5355 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5356 * config/darwin-protos.h (darwin_file_start): New.
5357 (darwin_asm_output_dwarf_offset): New.
5358 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5359 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5361 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5362 if not EH section; simplify.
5363 (darwin_file_start): New.
5364 (darwin_asm_output_dwarf_offset): New.
5365 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5367 (DEBUG_INFO_SECTION): Likewise.
5368 (DEBUG_ABBREV_SECTION): Likewise.
5369 (DEBUG_ARANGES_SECTION): Likewise.
5370 (DEBUG_MACINFO_SECTION): Likewise.
5371 (DEBUG_LINE_SECTION): Likewise.
5372 (DEBUG_LOC_SECTION): Likewise.
5373 (DEBUG_PUBNAMES_SECTION): Likewise.
5374 (DEBUG_STR_SECTION): Likewise.
5375 (DEBUG_RANGES_SECTION): Likewise.
5376 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5377 (ASM_OUTPUT_DWARF_OFFSET): New.
5379 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5381 * config.gcc (tm_defines): Always add to previous value rather
5384 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5386 * config/mips/predicates.md (splittable_const_int_operand): New,
5387 split from move_operand.
5388 (splittable_symbolic_operand): New.
5389 (move_operand): Add commentary. Use splittable_const_int_operand.
5390 Inline mips_atomic_symbolic_constant_p.
5391 * config/mips/mips.md: Add combine splitters for handling moves
5392 of splittable_const_int_operands and splittable_symbolic_operands.
5393 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5394 (mips_split_symbol): Declare.
5395 (mips_move_integer): Declare.
5396 * config/mips/mips.c (mips_split_p): Make global.
5397 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5398 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5399 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5400 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5401 (mips_offset_within_object_p): Handle block symbols.
5402 (mips_atomic_symbolic_constant_p): Delete.
5403 (mips_cannot_force_const_mem): Return false for constants that
5404 mips_legitimize_move can handle.
5405 (mips_use_blocks_for_constant_p): New function.
5406 (mips_split_symbol): Make global.
5407 (mips_move_integer): Likewise. Add a temporary register argument.
5408 (mips_legitimize_const_move): Use splittable_const_int_operand and
5409 splittable_symbolic_operand.
5410 (mips_use_anchors_for_symbol_p): New function.
5411 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5412 (mips_split_p): Declare.
5414 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5416 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5417 (mips*-*-linux*): Likewise.
5419 2006-03-16 Roger Sayle <roger@eyesopen.com>
5420 Daniel Speyer <dspeyer@wam.umd.edu>
5423 * tree-dump.c (dump_real): New function.
5424 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5425 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5426 (tree-dump.o): Add $(REAL_H) to the dependencies.
5428 2006-03-16 Roger Sayle <roger@eyesopen.com>
5431 * real.c (real_from_string): If the mantissa is zero, don't bother
5432 parsing the exponent as the result should always be zero.
5434 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5436 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5440 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5441 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5442 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5443 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5444 ia64_sched_finish_global): New static functions to implement
5445 hooks from gcc_target.sched.
5446 (spec_check_no, max_uid, pending_data_specs): New static variables.
5447 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5448 ia64_spec_check_src_p): New static functions.
5449 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5450 (TARGET_SCHED_ADJUST_COST): Removed.
5451 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5452 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5453 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5454 TARGET_SCHED_GEN_CHECK,
5455 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5456 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5457 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5458 Fixed to handle speculation checks.
5459 (rtx_needs_barrier): Fixed to handle speculative loads and
5461 (ia64_variable_issue): Added code to count speculative loads and their
5463 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5465 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5467 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5469 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5470 (ia64_reorg): Reset stops_p to NULL after it is freed.
5471 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5472 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5473 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5475 (data_speculative, control_speculative, check_load): New attributes.
5476 (mov<mode>_advanced, mov<mode>_speculative,
5477 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5478 zero_extend<mode>di2_speculative,
5479 zero_extend<mode>di2_speculative_advanced): New patterns for
5480 data and control speculative loads.
5481 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5483 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5484 New pattern for data and control speculation checks.
5485 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5486 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5487 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5488 Auxiliary definitions for the patterns.
5489 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5490 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5492 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5494 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5495 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5496 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5497 New resource constraints.
5498 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5500 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5501 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5502 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5503 msched-in-control-spec, msched-ldc, msched-control-ldc,
5504 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5505 msched-prefer-non-control-spec-insns,
5506 msched-count-spec-in-critical-path): New flags to tune speculative
5508 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5509 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5510 msched-in-control-spec, msched-ldc, msched-control-ldc,
5511 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5512 msched-prefer-non-control-spec-insns,
5513 msched-count-spec-in-critical-path): Document new flags.
5515 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5517 * target.h (struct spec_info_def): New opaque declaration.
5518 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5519 speculate_insn, needs_block_p, gen_check,
5520 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5521 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5522 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5523 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5524 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5525 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5527 (TARGET_SCHED): Use new macros.
5528 * rtl.h (copy_DEPS_LIST_list): New prototype.
5529 * sched-int.h (struct sched_info): Change signature of new_ready field,
5530 adjust all initializations. New fields: add_remove_insn,
5531 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5532 region_head_or_leaf_p.
5533 (struct spec_info_def): New structure declaration.
5534 (spec_info_t): New typedef.
5535 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5536 recovery_block, orig_pat.
5537 (glat_start, glat_end): New variables declaraions.
5538 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5540 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5541 DETACH_LIFE_INFO, USE_GLAT.
5542 (enum SPEC_SCHED_FLAGS): New enumeration.
5543 (NOTE_NOTE_BB_P): New macro.
5544 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5545 attach_life_info, debug_spec_status, check_reg_live): New functions.
5546 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5547 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5549 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5550 * ddg.c (get_block_head_tail): Adjust all uses.
5551 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5552 (sms_sched_info): Initialize new fields.
5553 (contributes_to_priority): Removed.
5554 * haifa-sched.c (params.h): New include.
5555 (get_block_head_tail): Adjust all uses.
5556 (ISSUE_POINTS): New macro.
5557 (glat_start, glat_end): New global variables.
5558 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5559 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5560 old_last_basic_block, before_recovery, current_sched_info_var,
5561 rgn_n_insns, luid): New static variables.
5562 (insn_cost1): New function. Move logic from insn_cost to here.
5563 (find_insn_reg_weight1): New function. Move logic from
5564 find_insn_reg_weight to here.
5565 (reemit_notes, move_insn, max_issue): Change signature.
5566 (move_insn1): Removed.
5567 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5568 extend_bb): New static functions to support extension of scheduler's
5570 (generate_recovery_code, process_insn_depend_be_in_spec,
5571 begin_speculative_block, add_to_speculative_block,
5572 init_before_recovery, create_recovery_block, create_check_block_twin,
5573 fix_recovery_deps): New static functions to support
5574 generation of recovery code.
5575 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5576 restore_bb_notes, move_block_after_check, move_succs): New static
5577 functions to support ebb scheduling.
5578 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5579 functions to support handling of register live information.
5580 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5581 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5582 add_jump_dependencies): New static functions.
5583 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5584 consistancy checking.
5585 (debug_spec_status): New function to call from debugger.
5586 (priority): Added code to handle speculation checks.
5587 (rank_for_schedule): Added code to distinguish speculative instructions.
5588 (schedule_insn): Added code to handle speculation checks.
5589 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5590 Fixed to handle ebbs.
5591 (move_insn): Added code to handle ebb scheduling.
5592 (max_issue): Added code to use ISSUE_POINTS of instructions.
5593 (choose_ready): Added code to choose between speculative and
5594 non-speculative instructions.
5595 (schedule_block): Added code to handle ebb scheduling and scheduling of
5596 speculative instructions.
5597 (sched_init): Initialize new variables.
5598 (sched_finish): Free new variables. Print statistics.
5599 (try_ready): Added code to handle speculative instructions.
5600 * lists.c (copy_DEPS_LIST_list): New function.
5601 * sched-deps.c (extend_dependency_caches): New function. Move logic
5602 from create_dependency_caches to here.
5603 (get_dep_weak, ds_merge): Make global.
5604 * genattr.c (main): Code to output prototype for
5605 dfa_clear_single_insn_cache.
5606 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5607 (output_dfa_clean_insn_cache_func): Code to output
5608 dfa_clear_single_insn_cache function.
5609 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5611 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5613 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5614 New static variables.
5615 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5616 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5618 (ebb_sched_info): Initialize new fields.
5619 (get_block_head_tail): Adjust all uses.
5620 (compute_jump_reg_dependencies): Fixed to use glat_start.
5621 (schedule_ebb): Code to remove unreachable last block.
5622 (schedule_ebbs): Added code to update register live information.
5623 * sched-rgn.c (region_sched_info): Initialize new fields.
5624 (get_block_head_tail): Adjust all uses.
5625 (last_was_jump): Removed. Adjust users.
5626 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5627 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5628 Implement new hooks.
5629 (check_dead_notes1): New static function.
5630 (struct region): New fields: dont_calc_deps, has_real_ebb.
5631 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5632 (BB_TO_BLOCK): Fixed to handle EBBs.
5633 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5634 (ebb_head): New static variable.
5635 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5636 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5638 (compute_dom_prob_ps): New assertion.
5639 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5640 global_live_at_start.
5641 (init_ready_list): New assertions.
5642 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5643 (new_ready): Add support for BEGIN_CONTROL speculation.
5644 (schedule_insns): Fixed code that updates register live information
5646 (schedule_region): Fixed to handle EBBs.
5647 (init_regions): Use extend_regions and check_dead_notes1.
5648 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5649 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5650 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5651 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5652 TARGET_SCHED_GEN_CHECK,
5653 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5654 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5655 * doc/invoke.texi (max-sched-insn-conflict-delay,
5656 sched-spec-prob-cutoff): Document.
5658 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5660 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5661 inter_tick, queue_index.
5662 (struct sched_info): Change signature of init_ready_list field.
5663 Adjust all initializations.
5664 (RESOLVED_DEPS): New access macro.
5665 (ready_add): Remove prototype.
5666 (try_ready): Add prototype.
5667 * sched-rgn.c (init_ready_list): Use try_ready.
5668 (schedule_region): Initialize
5669 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5670 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5671 (init_ready_list): Use try_ready.
5672 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5673 * lists.c (remove_list_elem): Remove `static'.
5674 (remove_free_INSN_LIST_elem): New function.
5675 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5676 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5677 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5679 (readyp): New variable.
5680 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5681 change_queue_index, resolve_dep): New static functions.
5682 (try_ready): New function. Adjust callers in sched-rgn.c and
5683 sched-ebb.c to use it instead of ready_add.
5684 (clock_var): Move at the begining of file.
5685 (rank_for_schedule): Fix typo.
5686 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5687 (ready_lastpos): Enforce assertion.
5688 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5690 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5691 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5692 (queue_to_ready): Use free_INSN_LIST_list.
5693 (early_queue_to_ready): Fix typo.
5694 (schedule_block): Init readyp. Move init_ready_list call after the
5695 initialization of clock_var. Fix error in rejecting insn by
5696 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5697 that previously corrected INSN_TICKs. Add code for handling
5699 (set_priorities): Fix typo.
5700 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5701 Clarify comment and code that keeps current_sched_info->next_tail
5704 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5706 * sched-rgn.c (extend_rgns): New static function.
5707 (find_rgns): Use it.
5708 (gather_region_statistics, print_region_statistics): New static
5710 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5711 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5713 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5714 Andrey Belevantsev <abel@ispras.ru>
5716 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5717 * lists.c (unused_deps_list): New variable.
5718 (free_list): Add assertions to verify the proper distinguishing
5719 between INSN_LISTs and DEPS_LISTs.
5720 (find_list_elem, remove_list_elem, remove_list_node): New static
5722 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5723 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5724 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5725 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5727 (free_INSN_LIST_node): Likewise.
5728 * modulo-sched.c (current_sched_info): Initialize flags field.
5729 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5730 * rtl.def (DEPS_LIST): Define.
5731 * rtl.h: Declare new functions from lists.c.
5732 * sched-deps.c (spec_dependency_cache): New static variable.
5733 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5734 (add_dependence): Change return type to void. Move the logic to ...
5735 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5736 (delete_all_dependences): Add comment about forward_dependency_cache.
5737 Handle spec_dependency_cache. Handle DEPS_LISTs.
5738 (fixup_sched_groups): Clarify the change of priority of output
5739 and anti dependencies.
5740 (sched_analyze_2): Adjust add_dependence calls to create data
5741 speculative dependence.
5742 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5743 Adjust all callers. Handle DEPS_LISTS.
5744 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5745 presence of speculation.
5746 (init_dependency_caches, free_dependency_caches):
5747 Handle spec_dependency_cache.
5748 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5749 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5750 New static functions.
5751 (add_or_update_back_dep, add_or_update_back_forw_dep,
5752 add_back_forw_dep, delete_back_forw_dep): New functions.
5753 * sched-int.h (ds_t, dw_t): New typedefs.
5754 (struct sched_info): Add new field flags.
5755 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5756 Prototype new sched-deps.c functions.
5757 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5758 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5759 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5760 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5761 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5762 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5764 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5766 * sched-rgn.c (current_sched_info): Initialize flags field.
5767 (schedule_insns): Initialize current_sched_info before the sched_init
5769 * sched-ebb.c (current_sched_info): Initialize flags field.
5770 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5771 Call add_or_update_back_dep instead of add_dependence.
5772 Create control speculative dependencies.
5773 (schedule_insns): Initialize current_sched_info before the sched_init
5776 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5778 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5780 (sh_fallback_frame_state): Likewise.
5782 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5784 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5785 Do switch on default_use_cxa_atexit.
5786 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5787 * config/darwin-crt3.o: New.
5788 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5789 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5790 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5792 * config/rs6000/t-darwin: Move crt2.o building to here.
5793 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5794 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5797 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5799 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5800 from '! xxx' to '!xxx' for coding-style conformance.
5801 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5802 (EXTRA_CONSTRAINT): Likewise.
5803 * config/vax/vax.md (four unnamed insns): Likewise.
5805 2006-03-15 Paul Brook <paul@codesourcery.com>
5807 * config/arm/arm.c (minipool_pad): New.
5808 (add_minipool_forward_ref): Include pool alignment padding in address
5810 (push_minipool_fix): Set minipool_pad.
5811 (minipool_pad): Ditto.
5813 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5815 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5816 instead of GET_CODE() == MEM and REG_P() instead of
5818 (print_operand_address): Likewise.
5819 (vax_address_cost): Likewise.
5820 (vax_rtx_costs): Likewise.
5821 (vax_notice_update_cc): Likewise.
5822 (vax_output_int_add): Likewise.
5823 (INDEX_REGISTER_P): Likewise.
5824 (BASE_REGISTER_P): Likewise.
5825 (nonindexed_address_p): Likewise.
5826 (vax_mode_dependent_address_p): Likewise.
5827 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5828 (PRINT_OPERAND): Likewise.
5829 * config/vax/vax.md (ashlsi3): Likewise.
5830 (ashlsi3): Likewise.
5831 (some more unnamed insns): Likewise.
5833 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5835 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5836 iterator-style macro.
5837 (mark_control_dependent_edges_necessary): Update the use of
5838 EXECUTE_IF_CONTROL_DEPENDENT.
5840 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5842 * config/sh/predicates.md (cache_address_operand): Special.
5843 (ua_address_operand): Likewise.
5845 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5847 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5849 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5851 2006-03-15 Andreas Schwab <schwab@suse.de>
5853 * gensupport.c (identify_predicable_attribute): Don't free p_false
5854 when it is still in use.
5856 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5858 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5859 the default setting here.
5861 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5863 * tree-pass.h (pass_cfg): Remove.
5864 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5865 * passes.c (pass_cfg): Don't run it.
5867 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5869 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5870 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5872 (stack_regs_mentioned): Update the uses of
5873 stack_regs_mentioned_data. Don't access the array beyond its
5875 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5876 Don't include gt-reg-stack.h.
5878 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5879 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5881 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5884 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5887 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5889 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5891 2006-03-14 Richard Guenther <rguenther@suse.de>
5893 PR tree-optimization/26672
5894 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5897 2006-03-14 Richard Guenther <rguenther@suse.de>
5899 PR tree-optimization/26667
5900 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5901 node for the callees. Always allow inlining if it will shrink
5904 2006-03-14 Richard Guenther <rguenther@suse.de>
5907 * builtins.c (get_pointer_alignment): Prefer alignment
5908 information from decls over that from types.
5910 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5913 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5915 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5917 * config/rs6000/rs6000.opt (mdlmzb): New option.
5918 (msched-prolog, msched-epilog): Use Var not Mask.
5919 * doc/invoke.texi (-mdlmzb): Document.
5920 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5922 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5923 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5925 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5927 PR rtl-optimization/25739
5928 * bt-load.c (augment_live_range): Free tos pointer.
5930 * gensupport.c (identify_predicable_attribute): Free
5932 * gcov.c (create_file_names): Free name pointer.
5934 2006-03-13 Roger Sayle <roger@eyesopen.com>
5937 * stmt.c (emit_case_nodes): Handle the case where the index is a
5938 CONST_INT, where the comparison mode is specified by the index type.
5940 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5942 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5945 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5947 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5948 (*branch_fp_inverted): Likewise.
5950 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5953 * omp-low.c (expand_omp_for_generic): Mark istart0
5954 and iend0 as addressable.
5956 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5958 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5960 2006-03-13 Jeff Law <law@redhat.com>
5962 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5963 virtual operands are interesting.
5964 (vrp_visit_stmt): Corresponding changes.
5966 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5968 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5970 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5971 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5972 * config/bfin/crti.S: Use it instead of __PIC__.
5973 * config/bfin/crtn.S: Likewise.
5975 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5976 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5978 Lose 'G' modifier for call operand.
5979 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5980 recognize 'G' modifier.
5982 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5985 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5986 * stmt.c (expand_case): Likewise.
5988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5990 PR rtl-optimization/26254
5991 * loop-invariant.c (seq_insns_valid_p): New function.
5992 (move_invariant_reg): Only emit new code if it is valid.
5994 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5996 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5998 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5999 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6000 (commit_one_edge_insertion): Do not look for loop notes.
6002 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6004 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6005 flag_test_coverage out of loop.
6007 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6009 * final.c (shorten_branches): Remove outdated comment, and turn
6010 the if branch that guards it to continue.
6012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6014 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6015 * cfgloop.h (struct loop): Remove unused fields.
6017 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6019 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6020 (-dL, -fdump-rtl-loop2): Update the dump file names
6022 * doc/invoke.texi: Update dump file names.
6024 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6026 * predict.c (estimate_probability): Remove.
6027 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6028 * basic-block.h (estimate_probability): Remove prototype.
6029 * passes.c (finish_optimization_passes): Dump branch prediction or
6030 profiling heuristics to the .profile tree dump.
6031 (init_optimization_passes): Unqueue pass_branch_prob.
6033 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6035 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6037 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6038 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6040 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6042 * function.h (frame_offset_overflow): Declare.
6043 * function.c (frame_offset_overflow): New function.
6044 (assign_stack_local_1): Call it to detect that the offset overflows.
6045 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6047 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6049 * config/sh/sh.c: Include alloc-pool.h.
6050 (label_ref_list_pool): New alloc pool.
6051 (label_ref_list_t): New type for lists of labels.
6052 (struct pool_node): Make wend a label_ref_list_t.
6053 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6055 (dump_table): Likewise.
6056 (sh_reorg): Set up the alloc pool before using add_constant and
6057 dump_table, and destroy it when finishing.
6059 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6061 * config/mips/mips.c: Remove redundant comment.
6063 2006-03-10 Jason Merrill <jason@redhat.com>
6066 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6067 the target was declared 'register'.
6069 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6071 * genpreds.c (write_insn_constraint_len): Change definition of
6072 insn_constraint_len to return size_t to match the declaration.
6074 2006-03-10 DJ Delorie <dj@redhat.com>
6076 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6078 (m32c_expand_insv): Fix test for an AND mask.
6080 2006-03-10 Richard Guenther <rguenther@suse.de>
6083 * builtins.c (get_pointer_alignment): Handle component
6084 references for field alignment.
6086 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6088 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6089 when building with libgloss.
6090 (sh*elf): Implement --without-fp option.
6091 (sh64-superh-linux*): Don't multilib.
6093 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6095 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6097 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6099 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6100 Set it when one of the replacement functions returned true.
6101 Return TODO_cleanup_cfg if cfgchanged is true.
6102 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6104 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6106 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6107 instead of gen_lowpart.
6109 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6111 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6113 (mips_output_order_conditional_branch): Declare.
6114 * config/mips/mips.h (MIPS_BRANCH): New macro.
6115 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6116 for the comparison. Use gen_condjump.
6117 (mips_output_conditional_branch): Rework interface to take the
6118 asm templates for a direct branch and the inverse of a direct branch.
6119 (mips_output_order_conditional_branch): New function.
6120 (mips_builtin_branch_and_move): New function.
6121 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6122 branch condition. Use gen_single_cc as the condition for
6123 __builtin_mips_upper_* or __builtin_mips_lower_*.
6124 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6125 Use VOIDmode for the branch condition.
6126 * config/mips/predicates.md (order_operator): New predicate.
6127 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6128 (branch_fp): Rename to...
6129 (*branch_fp): ...this. Remove mode from comparison operator.
6130 Use new mips_output_conditional_branch interface.
6131 (branch_fp_inverted): Rename to...
6132 (*branch_fp_inverted): ...this and update as for *branch_fp.
6133 (*branch_zero<mode>): Rename to...
6134 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6135 Use mips_output_order_conditional_branch. Only accept ordered
6137 (*branch_zero<mode>_inverted): Rename to...
6138 (*branch_order<mode>_inverted): ...this and update as for
6139 *branch_order<mode>.
6140 (*branch_equality<mode>): Accept zero as the second operand to
6141 the equality operator. Use the new mips_output_conditional_branch
6143 (*branch_equality<mode>_inverted): Likewise.
6144 (condjump): New expander.
6145 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6147 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6148 (bc1any2t, bc1any2f): Likewise.
6149 (single_cc): New expander.
6150 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6152 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6154 * doc/md.texi: Update documentation of MIPS constraints.
6155 * config/mips/constraints.md: New file.
6156 * config/mips/mips.md: Include it.
6157 * config/mips/mips.c (mips_char_to_class): Delete.
6158 (override_options): Don't initialize mips_char_to_class.
6159 * config/mips/mips.h (mips_char_to_class): Delete.
6160 (REG_CLASS_FROM_LETTER): Delete.
6161 (CONST_OK_FOR_LETTER_P): Delete.
6162 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6163 (EXTRA_CONSTRAINT_Y): Delete.
6164 (EXTRA_CONSTRAINT_STR): Delete.
6165 (CONSTRAINT_LEN): Delete.
6166 (EXTRA_MEMORY_CONSTRAINT): Delete.
6168 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6170 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6171 original fn's eh regions.
6173 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6175 * fold-const.c (build_range_check): Make sure to use a valid type to
6176 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6179 (range_predecessor): New static function.
6180 (range_successor): Likewise.
6181 (merge_ranges): Use them to compute predecessors and successors of
6184 2006-03-09 Roger Sayle <roger@eyesopen.com>
6187 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6188 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6190 2006-03-08 DJ Delorie <dj@redhat.com>
6192 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6193 (addpsi3): Expand to include memory operands. Remove
6194 reload-specific splits.
6195 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6196 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6197 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6198 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6199 (shift1_qi, shift1_hi, insv): New.
6200 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6201 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6202 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6204 * config/m32c/m32c-protos.h: Update as needed.
6205 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6206 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6207 Fail for unrecognized R* constraints.
6208 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6209 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6210 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6212 (m32c_init_libfuncs): New.
6213 (m32c_legitimate_address_p): Add debug wrapper.
6214 (m32c_rtx_costs): New.
6215 (m32c_address_cost): New.
6216 (conversions): Add 'B' prefix.
6217 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6218 operands, or word regnames for QI operands. 'B' prints bit
6220 (m32c_expand_setmemhi): New.
6221 (m32c_expand_movmemhi): New.
6222 (m32c_expand_movstr): New.
6223 (m32c_expand_cmpstr): New.
6224 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6225 (m32c_expand_neg_mulpsi3): Handle non-ints.
6226 (m32c_cmp_flg_0): New.
6227 (m32c_expand_movcc): New.
6228 (m32c_expand_insv): New.
6229 (m32c_scc_pattern): New.
6230 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6231 a0/a1 out of SIregs.
6232 (STORE_FLAG_VALUE): New.
6233 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6236 * config/m32c/mov.md: Make constraints more liberal.
6237 (zero_extendqihi2): Optimize r0/r1 case.
6238 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6239 * config/m32c/predicates.md (m32c_any_operand): New.
6240 (m32c_nonimmediate_operand): New.
6241 (m32c_hl_operand): New.
6242 (m32c_r3_operand): New.
6245 (memsym_operand): New.
6246 (memimmed_operand): New.
6247 (a_qi_operand): New.
6248 (m32c_eqne_operator): New.
6249 (m32c_1bit8_operand): New.
6250 (m32c_1bit16_operand): New.
6251 (m32c_1mask8_operand): New.
6252 (m32c_1mask16_operand): New.
6253 * config/m32c/blkmov.md: New file.
6254 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6256 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6258 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6259 unsigned to fix signed/unsigned comparison issue in
6260 DWARF2_FRAME_REG_OUT.
6261 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6262 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6264 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6265 of ptr into the ENABLE_CHECKING section.
6267 2006-03-08 Jeff Law <law@redhat.com>
6269 * tree-vrp.c (infer_value_range): Only count pointer uses
6270 and dereferences if -fdelete-null-pointer-checks is enabled.
6272 * tree-vrp.c (find_assert_locations): Infer value ranges for
6273 single use pointers, but do not create ASSERT_EXPRs for them.
6274 When a non-null range is inferred for a pointer, backwards
6275 propagate that range to other equivalent pointers through the
6278 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6281 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6282 language hook targets.
6283 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6284 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6285 if language hook targets were missing.
6287 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6289 * tree-ssa-opfinalize.h: Removed.
6290 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6292 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6293 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6294 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6295 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6296 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6297 finalize_ssa_v_must_def_ops): New.
6299 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6301 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6304 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6306 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6308 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6309 addresses with offsets; reorganize.
6311 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6312 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6313 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6315 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6318 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6320 2006-03-08 Ben Elliston <bje@au.ibm.com>
6322 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6324 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6327 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6330 2006-03-07 Richard Guenther <rguenther@suse.de>
6332 PR tree-optimization/26587
6333 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6335 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6337 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6339 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6341 * hooks.c (hook_bool_mode_rtx_true): New function.
6342 * hooks.h (hook_bool_mode_rtx_true): Declare.
6343 * toplev.c (compile_file): Call output_shared_constant_pool.
6344 * varasm.c (shared_constant_pool): New variable.
6345 (assemble_start_function, assemble_end_function): Remove arguments
6346 from call to output_constant_pool.
6347 (create_constant_pool): New function, split out from...
6348 (init_varasm_status): ...here.
6349 (force_const_mem): Choose between the shared and per-function constant
6350 pools. Set current_function_uses_const_pool when reusing old entries
6351 as well as when creating new ones.
6352 (mark_constant): Ignore data argument.
6353 (mark_constants): Remove pool argument.
6354 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6355 to decide whether the function uses a constant pool.
6356 (output_constant_pool_contents): New function, split out from...
6357 (output_constant_pool): ...here.
6358 (output_shared_constant_pool): New function.
6359 (init_varasm_once): Initialize shared_constant_pool.
6360 * output.h (output_constant_pool): Delete.
6361 (output_shared_constant_pool): Declare.
6362 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6363 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6365 2006-03-06 Nick Clifton <nickc@redhat.com>
6367 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6368 flag_strength_reduce.
6370 2006-03-06 Ben Elliston <bje@au.ibm.com>
6372 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6373 x86_64-*-linux* configurations.
6375 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6376 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6378 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6380 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6382 * basic-block.h: Remove the extern for
6383 rediscover_loops_after_threading.
6385 * cfgloop.c (cancel_loop): Make it static.
6386 * cfgloop.h: Remove the prototype for cancel_loop.
6388 * flow.c (recompute_reg_usage): Make it static.
6389 * rtl.h: Remove the prototype for recompute_reg_usage.
6391 * function.c (use_return_register): Make it static.
6392 * function.h: Remove the prototype.
6394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6396 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6398 * recog.h: Remove the prototype for
6399 validate_change_maybe_volatile.
6401 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6403 * rtlanal.c (replace_reg): Remove.
6404 * rtl.h: Remove the prototype for replace_reg.
6406 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6408 * regclass.c (reg_scan_update): Remove.
6409 (reg_scan_mark_refs): Remove the last argument.
6410 * rtl.h: Remove the prototype for reg_scan_update.
6412 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6414 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6415 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6416 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6417 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6418 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6419 loop-invariant.c, omp-low.c, opts.c, passes.c,
6420 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6421 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6422 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6423 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6424 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6425 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6429 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6430 * dwarf2out.h: Remove the prototype for
6431 dwarf2out_add_library_unit_info.
6433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6435 * tree.c (add_var_to_bind_expr): Remove.
6436 * tree.h: Remove the prototype for add_var_to_bind_expr.
6438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6440 * regclass.c (n_non_fixed_regs): Remove.
6441 (init_reg_sets_1, globalize_reg): Remove all uses of
6443 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6445 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6447 * rtlanal.c (insns_safe_to_move_p): Remove.
6448 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6450 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6452 * expmed.c (expand_mult_add): Remove.
6453 * expr.h: Remove the prototype for expand_mult_add.
6455 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6457 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6458 and REG_SAVED_VAL_EXP constants.
6459 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6460 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6461 Handle regs stored by value.
6462 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6463 (execute_cfa_program): Handle DW_CFA_val_offset,
6464 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6465 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6466 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6467 (uw_install_context_1): Handle target regs stored by value.
6469 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6471 * tree-sra.c (tree_sra): Return todoflags;
6472 (generate_one_element): Set TODO_update_smt_usage if needed.
6473 (pass_sra): Remove TODO_update_smt_usage.
6474 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6476 (tree_ssa_forward_propagate_single_use_vars): Return
6477 TODO_update_smt_usage if we need to update SMT usage.
6478 (pass_forwprop): Remove TODO_update_smt_usage.
6480 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6482 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6483 (correct_use_link): Remove reference to get_stmt_operands.
6484 (update_stmt_operands): Likewise.
6485 (get_modify_expr_operands): New function factored out of
6486 parse_ssa_operands and get_expr_operands.
6487 Try to create V_MUST_DEFs for LHS by default.
6488 (get_expr_operands) <case MODIFY_EXPR>: Call
6489 get_modify_expr_operands.
6490 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6491 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6492 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6493 get_modify_expr_operands.
6495 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6497 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6498 * tree-flow.h: Remove the prototype for
6499 referenced_var_lookup_if_exists.
6501 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6503 PR rtl-optimization/26345
6505 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6507 2006-03-03 Roger Sayle <roger@eyesopen.com>
6509 PR tree-optimization/26524
6510 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6511 fold_convert to create a constant of the appropriate type.
6513 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6515 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6516 SYMBOL_REF_IN_BLOCK_P.
6517 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6518 of SYMBOL_FLAG_IN_BLOCK.
6519 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6520 instead of SYMBOL_REF_IN_BLOCK_P.
6521 * explow.c (use_anchored_address): Likewise.
6522 * rtl.c (rtx_size): Likewise.
6523 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6524 instead of SYMBOL_FLAG_IN_BLOCK.
6525 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6526 SYMBOL_REF_IN_BLOCK_P.
6527 (assemble_variable): Likewise.
6528 (output_constant_def_contents): Likewise.
6529 (output_constant_pool): Likewise.
6530 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6531 instead of SYMBOL_FLAG_IN_BLOCK.
6532 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6533 SYMBOL_REF_IN_BLOCK_P.
6534 (SYMBOL_REF_BLOCK): Likewise.
6535 (SYMBOL_REF_OFFSET): Likewise.
6536 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6537 SYMBOL_REF_IN_BLOCK_P.
6538 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6539 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6540 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6541 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6543 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6545 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6547 2006-03-02 Roger Sayle <roger@eyesopen.com>
6549 * simplify-rtx.c (simplify_unary_operation): When simplifying
6550 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6551 that we perform the right shift in the appropriate mode, and
6552 then extend or truncate the result to requested mode.
6554 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6556 * gengtype.c (main): Handle double_int type.
6557 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6558 * double-int.c: New file.
6559 * double-int.h: New file.
6560 * system.h: Include doubleint.h.
6561 * Makefile.in (SYSTEM_H): Include double-int.h.
6562 (double-int.o): Add.
6564 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6567 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6570 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6572 * tree-vrp.c (remove_range_assertions): Do not update statements
6575 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6577 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6579 * gcse.c (rest_of_handle_gcse): Ditto.
6580 * except.c (gate_handle_eh): Ditto.
6581 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6582 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6584 2006-03-02 Eric Christopher <echristo@apple.com>
6586 * config/i386/i386.c (machopic_output_stub): Add indirection to
6589 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6593 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6595 Sun Niagara specific optimizations.
6596 * config.gcc: Recognize niagara as target.
6597 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6598 (TARGET_CPU_niagara): Define.
6599 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6600 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6601 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6602 (ASM_CPU_SPEC): Likewise.
6603 (PROCESSOR_NIAGARA): New enum entry.
6604 (REGISTER_MOVE_COST): Handle Niagara.
6605 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6606 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6607 (sparc_override_options): Recognize "niagara", set appropriate
6608 default MASK_* values for it, and align functions to 32-bytes
6609 by default just like ULTRASPARC/ULTRASPARC3.
6610 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6611 (sparc64_initialize_trampoline): Likewise.
6612 (sparc_use_sched_lookahead): Use zero for niagara.
6613 (sparc_issue_rate): Use one for niagara.
6614 * config/sparc/niagara.md: New file.
6615 * config/sparc/sparc.md: Include it.
6616 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6617 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6618 when default cpu is niagara.
6619 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6620 (ASM_CPU_SPEC): Likewise.
6621 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6622 when default cpu is niagara.
6623 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6624 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6625 just like v9/ultrasparc/ultrasparc3.
6626 * doc/invoke.texi: Add documentation for "niagara" and improve
6627 existing documentation for ultrasparc variants.
6629 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6631 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6633 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6635 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6636 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6637 and say that only one is needed.
6638 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6639 * target.h (have_switchable_bss_sections): New hook.
6640 * explow.c (use_anchored_address): Check that the symbol is in a block.
6641 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6642 (bss_noswitch_section): New variables.
6643 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6644 (get_noswitch_section): New function.
6645 (get_block_for_section): Allow SECT to be null.
6646 (unlikely_text_section_p): Use SECTION_STYLE.
6647 (bss_initializer_p): New function.
6648 (get_variable_section): Move earlier in file. Take a new argument,
6649 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6650 Return one of the new *_sections in such cases.
6651 (get_block_for_decl): New function, extracting some logic from
6652 use_blocks_for_decl_p.
6653 (change_symbol_section): Remove in favor of...
6654 (change_symbol_block): ...this new function.
6655 (use_blocks_for_decl_p): Remove checks now performed by
6657 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6658 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6659 (emit_local, emit_bss, emit_common): ...these new functions.
6660 Return true if the alignment was honored.
6661 (emit_tls_common): New function.
6662 (asm_emit_uninitialised): Delete.
6663 (assemble_variable_noswitch): New function, split out from...
6664 (assemble_variable): ...here. Don't make decisions about common
6665 variables here. Globalize all public decls that go into non-common
6666 sections. Check whether SYMBOL_REF_BLOCK is null.
6667 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6668 (output_constant_pool): Likewise.
6669 (init_varasm_once): Initialize the new section variables.
6670 (have_global_bss_p): New function.
6671 (categorize_decl_for_section): Use bss_initializer_p.
6672 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6673 (place_block_symbol): Assert that the symbol must be in a block.
6674 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6675 (TARGET_INITIALIZER): Include it.
6676 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6677 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6678 (SECTION_MACH_DEP): Bump by two.
6679 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6680 (unnamed_section): Mention SECTION_UNNAMED in comment.
6681 (named_section): Likewise SECTION_NAMED.
6682 (noswitch_section_callback): New type.
6683 (noswitch_section): New structure.
6684 (section): Add a noswitch_section alternative.
6685 (SECTION_STYLE): New macro.
6686 (tls_comm_section, comm_section, lcomm_section): Declare.
6687 (bss_noswitch_section, have_global_bss_p): Declare.
6688 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6689 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6691 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6692 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6695 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6697 * tree-vrp.c (execute_vrp): Return value.
6698 * regrename.c (rest_of_handle_regrename): Ditto.
6699 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6700 * tree-complex.c (tree_lower_complex): Ditto.
6701 (tree_lower_complex_O0): Ditto.
6702 * tracer.c (rest_of_handle_tracer): Ditto.
6703 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6704 * postreload.c (rest_of_handle_postreload): Ditto.
6705 * tree-tailcall.c (execute_tail_recursion): Ditto.
6706 (execute_tail_calls): Ditto.
6707 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6708 * tree.h (init_function_for_compilation): Ditto.
6709 * ipa-cp.c (ipcp_driver): Ditto.
6710 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6711 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6712 * final.c (compute_alignments): Ditto.
6713 (rest_of_handle_final): Ditto.
6714 (rest_of_handle_shorten_branches): Ditto.
6715 (rest_of_clean_state): Ditto.
6716 * omp-low.c (execute_expand_omp): Ditto.
6717 (execute_lower_omp): Ditto.
6718 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6719 * ipa-reference.c (static_execute): Ditto.
6720 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6721 * reorg.c (rest_of_handle_delay_slots): Ditto.
6722 (rest_of_handle_machine_reorg): Ditto.
6723 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6724 * flow.c (recompute_reg_usage): Ditto.
6725 (rest_of_handle_remove_death_notes): Ditto.
6726 (rest_of_handle_life): Ditto.
6727 (rest_of_handle_flow2): Ditto.
6728 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6729 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6730 (do_ssa_store_ccp): Ditto.
6731 (execute_fold_all_builtins): Ditto.
6732 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6733 * modulo-sched.c (rest_of_handle_sms): Ditto.
6734 * ipa-pure-const.c (static_execute): Ditto.
6735 * cse.c (rest_of_handle_cse): Ditto.
6736 (rest_of_handle_cse2): Ditto.
6737 * web.c (rest_of_handle_web): Ditto.
6738 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6739 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6740 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6741 * tree-nrv.c (tree_nrv): Ditto.
6742 (execute_return_slot_opt): Ditto.
6743 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6744 (create_structure_vars): Ditto.
6745 * loop-init.c (rtl_loop_init): Ditto.
6746 (rtl_loop_done): Ditto.
6747 (rtl_move_loop_invariants): Ditto.
6748 (rtl_unswitch): Ditto.
6749 (rtl_unroll_and_peel_loops): Ditto.
6750 (rtl_doloop): Ditto.
6751 * gimple-low.c (lower_function_body): Ditto.
6752 (mark_used_blocks): Ditto.
6753 * tree-ssa-sink.c (execute_sink_code): Ditto.
6754 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6755 (cgraph_early_inlining): Ditto.
6756 * global.c (rest_of_handle_global_alloc): Ditto.
6757 * jump.c (cleanup_barriers): Ditto.
6758 (purge_line_number_notes): Ditto.
6759 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6760 (rest_of_handle_if_after_reload): Ditto.
6761 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6762 (tree_ssa_loop_im): Ditto.
6763 (tree_ssa_loop_unswitch): Ditto.
6764 (tree_vectorize): Ditto.
6765 (tree_linear_transform): Ditto.
6766 (tree_ssa_loop_ivcanon): Ditto.
6767 (tree_ssa_empty_loop): Ditto.
6768 (tree_ssa_loop_bounds): Ditto.
6769 (tree_complete_unroll): Ditto.
6770 (tree_ssa_loop_prefetch): Ditto.
6771 (tree_ssa_loop_ivopts): Ditto.
6772 (tree_ssa_loop_done): Ditto.
6773 * predict.c (tree_estimate_probability): Ditto.
6774 * recog.c (split_all_insns_noflow): Ditto.
6775 (rest_of_handle_peephole2): Ditto.
6776 (rest_of_handle_split_all_insns): Ditto.
6777 * tree-eh.c (lower_eh_constructs): Ditto.
6778 * regmove.c (rest_of_handle_regmove): Ditto.
6779 (rest_of_handle_stack_adjustments): Ditto.
6780 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6781 * function.c (instantiate_virtual_regs): Ditto.
6782 (init_function_for_compilation): Ditto.
6783 (rest_of_handle_check_leaf_regs): Ditto.
6784 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6785 (rest_of_handle_gcse): Ditto.
6786 * ipa-type-escape.c (type_escape_execute): Ditto.
6787 * alias.c (rest_of_handle_cfg): Ditto.
6788 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6789 * profile.c (rest_of_handle_branch_prob): Ditto.
6790 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6791 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6792 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6793 * tree-dfa.c (find_referenced_vars): Ditto.
6794 * except.c (set_nothrow_function_flags): Ditto.
6795 (convert_to_eh_region_ranges): Ditto.
6796 (rest_of_handle_eh): Ditto.
6797 * emit-rtl.c (unshare_all_rtl): Ditto.
6798 (remove_unnecessary_notes): Ditto.
6799 * except.h (set_nothrow_function_flags): Ditto.
6800 (convert_to_eh_region_ranges): Ditto.
6801 * cfgexpand.c (tree_expand_cfg): Ditto.
6802 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6803 * tree-ssa-pre.c (do_pre): Ditto.
6804 (execute_fre): Ditto.
6805 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6806 (rest_of_handle_jump2): Ditto.
6807 * tree-sra.c (tree_sra): Ditto.
6808 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6809 (execute_mudflap_function_decls): Ditto.
6810 * tree-ssa-copy.c (do_copy_prop): Ditto.
6811 (do_store_copy_prop): Ditto.
6812 * ipa-prop.h (ipcp_driver): Ditto.
6813 * cfglayout.c (insn_locators_initialize): Ditto.
6814 * tree-ssa-forwprop.c
6815 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6816 * cfglayout.h (insn_locators_initialize): Ditto.
6817 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6818 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6819 (execute_late_warn_uninitialized): Ditto.
6820 * rtl.h (cleanup_barriers): Ditto.
6821 (split_all_insns_noflow): Ditto.
6822 (purge_line_number_notes): Ditto.
6823 (unshare_all_rtl): Ditto.
6824 (remove_unnecessary_notes): Ditto.
6825 (recompute_reg_usage): Ditto.
6826 (variable_tracking_main): Ditto.
6827 * integrate.c (emit_initial_value_sets): Ditto.
6828 * integrate.h (emit_initial_value_sets): Ditto.
6829 * tree-optimize.c (execute_free_datastructures): Ditto
6830 (execute_free_cfg_annotations): Ditto.
6831 (execute_fixup_cfg): Ditto.
6832 (execute_cleanup_cfg_pre_ipa): Ditto.
6833 (execute_cleanup_cfg_post_optimizing): Ditto.
6834 (execute_init_datastructures): Ditto.
6835 * tree-object-size.c (compute_object_sizes): Ditto.
6836 * combine.c (rest_of_handle_combine): Ditto.
6837 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6838 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6839 (rest_of_handle_reorder_blocks): Ditto.
6840 (rest_of_handle_partition_blocks): Ditto.
6841 * var-tracking.c (variable_tracking_main): Ditto.
6842 * tree-profile.c (tree_profiling): Ditto.
6843 * tree-vect-generic.c (expand_vector_operations): Ditto.
6844 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6845 * sched-rgn.c (rest_of_handle_sched): Ditto.
6846 (rest_of_handle_sched2): Ditto.
6847 * basic-block.h (free_bb_insn): Ditto.
6848 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6849 * tree-cfg.c (execute_build_cfg): Ditto.
6850 (remove_useless_stmts): Ditto.
6851 (split_critical_edges): Ditto.
6852 (execute_warn_function_return): Ditto.
6853 (execute_warn_function_noreturn): Ditto.
6854 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6855 * cfgrtl.c (free_bb_for_insn): Ditto.
6856 * passes.c (execute_one_pass): Run additional
6857 todos returned by execute function.
6858 * tree-pass.h (struct tree_opt_pass): Make execute
6861 2006-03-02 Richard Guenther <rguenther@suse.de>
6863 * tree-ssa-alias.c (find_used_portions): Consider taking
6864 the address as making the variable not write-only.
6866 2006-03-02 Nick Clifton <nickc@redhat.com>
6868 * config.gcc (default_use_cxa_atexit): Extend the description of
6869 this configure variable. Set its default value to "yes" for
6870 Linux, NetBSD and ELF targets on the assumption that they will
6871 use C libraries with the __cxa_atexit function.
6873 2006-03-02 Ben Elliston <bje@au.ibm.com>
6875 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6876 parameter as unused to suppress a build warning.
6878 2006-03-02 Ben Elliston <bje@au.ibm.com>
6880 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6883 2006-03-01 Roger Sayle <roger@eyesopen.com>
6886 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6887 declared name, the weak reference name, and the typeof name.
6888 (__gthrw): Avoid expanding the declared name suffix.
6889 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6891 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6893 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6895 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6896 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6897 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6898 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6899 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6900 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6901 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6902 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6903 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6904 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6905 (DW_END_default, DW_END_big, DW_END_little): New.
6906 (DW_END_lo_user, DW_END_hi_user): Define.
6907 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6908 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6909 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6912 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6914 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6916 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6918 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6920 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6922 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6923 to 'symbol_mem_tag'.
6925 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6928 2006-03-01 Roger Sayle <roger@eyesopen.com>
6930 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6932 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6935 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6936 MACHO_DYNAMIC_NO_PIC_P.
6937 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6939 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6942 * config/darwin-protos.h (darwin_asm_output_anchor):
6944 * config/darwin-sections.def (cstring_section):
6945 Add SECTION_MERGE to the flags.
6946 (literal4_section): Likewise.
6947 (literal8_section): Likewise.
6948 (objc_selector_refs_section): Likewise.
6949 (objc_cls_refs_section): Likewise.
6950 * config/darwin.c (darwin_asm_output_anchor): New
6952 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6954 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6956 Fix PR tree-optimization/26443
6957 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6958 to todo and PROP_tmt_usage to properties_destroyed.
6959 * tree-ssa-ccp.c (pass_ccp): Ditto.
6960 (pass_store_ccp): Ditto.
6961 * tree-ssa-dom.c (pass_dominator): Ditto.
6963 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6965 * tree-ssa-operands.c: Cleanup whitespace.
6966 (get_asm_expr_operands): Move before first invocation.
6967 (get_indirect_ref_operands): Likewise.
6968 (get_tmr_operands): Likewise.
6969 (get_call_expr_operands): Likewise.
6970 (append_def): Likewise.
6971 (append_use): Likewise.
6972 (append_v_may_def): Likewise.
6973 (append_v_must_def): Likewise.
6974 (add_call_clobber_ops): Likewise.
6975 (add_call_read_ops): Likewise.
6976 (add_stmt_operand): Likewise.
6977 (add_virtual_operand): Likewise.
6978 (build_ssa_operands): Likewise.
6980 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6985 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6986 with a call expr to ...
6987 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6989 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6991 * tree-vrp.c (extract_range_from_assert): Remove special
6992 handling for types with super-types.
6994 2006-03-01 Ben Elliston <bje@au.ibm.com>
6996 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6997 and powerpc64-*-linux* configurations.
6998 * config/t-dfprules: New file.
7000 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7001 Compile dfp-bit.c from the source directory using -DWIDTH and
7002 $DFP_CFLAGS to control the compilation of that file, rather than
7003 generating width-specific versions in the build directory.
7004 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7005 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7007 2006-02-28 Zack Weinberg <zackw@panix.com>
7009 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7012 2006-02-28 Eric Christopher <echristo@apple.com>
7014 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7015 Set up IN_LIBGCC definition of TARGET_64BIT.
7016 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7018 2006-02-28 Roger Sayle <roger@eyesopen.com>
7021 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7022 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7023 cases via the construction of "expr != 0".
7025 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7027 * alias.c (alias_invariant, alias_invariant_size): Remove.
7028 (record_base_value): Remove.
7029 (memrefs_conflict_p): Don't look at alias_invariant.
7030 (end_alias_analysis): Don't free it.
7031 * alias.h (record_base_value): Remove prototype.
7033 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7034 Adam Nemet <anemet@caviumnetworks.com>
7036 * rtl.h (truncated_to_mode): Declare it.
7037 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7038 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7039 (RTL_HOOKS_INITIALIZER): Include it.
7040 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7041 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7042 reg_truncated_to_mode.
7043 * rtlanal.c (truncated_to_mode): Define it.
7044 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7046 2006-02-28 Jeff Law <law@redhat.com>
7048 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7049 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7050 the range allowed by TYPE_PRECISION.
7052 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7054 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7056 PR tree-optimization/26419
7057 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7060 2006-02-27 Zack Weinberg <zackw@panix.com>
7062 * doc/md.texi: Fix typo in previous change.
7064 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7068 2006-02-27 Zack Weinberg <zackw@panix.com>
7070 * rtl.def (define_constraint, define_register_constraint)
7071 (define_memory_constraint, define_address_constraint): New MD forms.
7072 * gensupport.c (process_rtx): Put define_constraint etc on the
7074 * genpreds.c (process_define_predicate): Adjust comment. Validate
7075 the name, and call validate_exp to validate the expression.
7076 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7077 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7078 all callers changed.
7079 (validate_exp, needs_variable, struct constraint_data)
7080 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7081 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7082 (const_dbl_constraints, constraint_max_namelen)
7083 (have_register_constraints, have_memory_constraints)
7084 (have_address_constraints, have_address_constraints)
7085 (have_extra_constraints, have_const_int_constraints)
7086 (have_const_dbl_constraints, mangle, add_constraint)
7087 (process_define_constraint, process_define_register_constraint)
7088 (write_enum_constraint_num, write_lookup_constraint)
7089 (write_insn_constraint_len, write_regclass_for_constraint)
7090 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7091 (write_insn_extra_memory_constraint)
7092 (write_insn_extra_address_constraint)
7093 (write_satisfies_constraint_fns): New.
7094 (write_tm_preds_h): If we have new-style constraint definitions,
7095 prototype the functions generated from them, and define the
7096 old constraint interface (still used by generic code) in terms of
7098 (write_insn_preds_c): If we have new-style constraint definitions,
7099 generate all relevant functions from those definitions.
7100 (main): Handle define_constraint etc.
7101 * genoutput.c (struct constraint_data, indep_constraints)
7102 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7103 (mdep_constraint_len): New data structures and functions, defined
7104 #ifdef USE_MD_CONSTRAINTS.
7105 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7106 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7107 use new logic to validate operand constraints against constraint
7109 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7111 * defaults.h: If none of the old-style constraint macros are
7112 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7113 old-style macros; and poison REG_CLASS_FROM_LETTER,
7114 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7116 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7117 * doc/md.texi: Document new constraint-definition mechanism and the
7118 C interface it provides. Remove references to old mechanism
7119 elsewhere in the document.
7120 (Machine Constraints): Use pathnames relative to gcc directory,
7121 i.e. config/ARCH/FILE. Change i386 section to refer to
7122 config/i386/predicates.md; update that section to match docstrings.
7123 * doc/tm.texi: Move all documentation of the old constraint-
7124 definition macros to their own section, clearly mark as obsolete.
7126 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7127 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7129 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7130 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7131 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7133 (splits and peepholes): Use satisfies_constraint_*.
7134 * config/i386/i386.c (memory_address_length)
7135 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7137 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7139 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7140 scalar operation to be put back into the loop.
7142 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7145 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7146 (extract_cie_info): Handle S flag in augmentation string.
7147 (execute_cfa_program): If context->signal_frame, execute also
7148 fs->pc == context->ra instructions.
7149 (uw_frame_state_for): If context->signal_frame, don't subtract one
7150 from context->ra to find FDE.
7151 (uw_update_context_1): Set context->signal_frame to
7153 (_Unwind_GetIPInfo): New function.
7154 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7155 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7157 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7158 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7159 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7160 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7161 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7162 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7163 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7164 x86_64_fallback_frame_state): Set fs->signal_frame.
7165 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7166 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7167 (frob_update_context): Likewise. Workaround missing S flag in
7168 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7169 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7170 Remove the psw_addr + 1 hack.
7172 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7174 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7175 with aggregates here.
7176 (find_func_aliases): Remove code for &<aggregate> from here.
7178 2006-02-26 Roger Sayle <roger@eyesopen.com>
7180 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7181 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7182 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7185 2006-02-26 Roger Sayle <roger@eyesopen.com>
7188 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7190 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7192 * opts.c (decode_options): Do not handle flag_strength_reduce.
7193 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7194 and OPT_fstrength_reduce.
7195 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7196 flag_prefetch_loop_arrays for being nonzero.
7197 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7199 (fprefetch-loop-arrays-rtl): Removed.
7200 (flag_prefetch_loop_arrays): Do not specify the value.
7202 * doc/passes.texi: Update documentation of loop optimizer
7204 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7205 -frerun-loop-opt): Remove.
7207 2006-02-26 Richard Guenther <rguenther@suse.de>
7209 PR tree-optimization/26421
7210 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7211 in function calls that are ADDR_EXPRs as using the whole structure.
7213 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7215 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7216 * tree-pass.h (pass_loop_optimize): Remove.
7217 * passes.c (pass_loop_optimize): Never run it.
7218 * toplev.c (backend_init): Don't call init_loop.
7219 * opts.c (flag_loop_optimize_set): Remove.
7220 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7221 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7222 the old RTL loop optimizer when profiling enabled.
7223 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7224 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7225 pre-headers for the sake of the old RTL loop optimizer.
7226 * Makefile.in: Remove all references to loop.o.
7228 * doc/invoke.texi: Remove all references to -floop-optimize
7229 and -frerun-loop-opt.
7231 2006-02-26 Zack Weinberg <zackw@panix.com>
7233 * doc/md.texi (Machine Constraints): Refer to all files with paths
7234 relative to gcc directory (i.e. config/CPU/file). Add missing
7235 @table @code ... @end table to M32C subsection.
7237 2006-02-26 Roger Sayle <roger@eyesopen.com>
7239 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7241 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7243 2006-02-26 Roger Sayle <roger@eyesopen.com>
7244 James A. Morrison <phython@gcc.gnu.org>
7247 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7248 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7249 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7250 signedness of the shift operation.
7252 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7254 PR tree-optimization/26359
7255 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7257 2006-02-25 Roger Sayle <roger@eyesopen.com>
7259 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7260 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7261 as X == 0, and some symmetry related transformations.
7262 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7264 2006-02-25 Roger Sayle <roger@eyesopen.com>
7267 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7268 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7269 symmetry related transformations. Fold (X^C1) == C2 as
7272 2006-02-25 Juergen Weigert <jw@suse.de>
7273 Richard Guenther <rguenther@suse.de>
7275 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7277 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7279 * combine.c (gen_lowpart_or_truncate): Call
7280 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7282 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7284 * doc/invoke.texi: Move -fopenmp description to "Options for
7286 Remove reference to -lgomp.
7288 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7290 * doc/install.texi: Require GNU tar version 1.14.
7292 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7294 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7295 * doc/invoke.texi (C++ Dialect Options): Document
7296 -fno-use-cxa-get-exception-ptr.
7297 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7298 * configure: Regenerate.
7299 * c.opt (fuse-cxa-get-exception-ptr): New.
7300 * c-opts.c (c_common_handle_option): Handle
7301 OPT_fuse_cxa_get_exception_ptr.
7302 * c-common.c (flag_use_cxa_atexit): Update documentation.
7303 (flag_use_cxa_get_exception_ptr): New.
7304 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7305 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7307 (C_COMMON_OVERRIDE_OPTIONS): New.
7309 2006-02-24 Roger Sayle <roger@eyesopen.com>
7312 * combine.c (try_combine): Explicitly check whether GET_CODE is
7313 a SET or a CLOBBER, instead on checking that it isn't a USE.
7315 2006-02-24 Roger Sayle <roger@eyesopen.com>
7317 * fold-const.c (fold_comparison): New subroutine of fold_binary
7318 containing transformations common to both the equality and
7319 ordering relational operators, factored out of fold_binary.
7320 (fold_binary): Separate out the equality operators (EQ_EXPR
7321 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7322 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7323 transformations common to both.
7324 (fold_div_compare): Fix latent bugs in the previously unreachable
7325 LT_EXPR and GE_EXPR cases.
7327 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7329 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7330 decl libname for clog to __clog on AIX.
7332 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7334 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7337 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7338 output traceback table for thunks. Localise rs6000_stack_info call.
7340 2006-02-23 Roger Sayle <roger@eyesopen.com>
7341 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7343 * gthr-posix.h (__gthrw): Fix typo in comment.
7345 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7347 * doc/cpp.texi (Character sets): Document that we do support
7348 input files to be in any character set.
7350 2006-02-23 Jeff Law <law@redhat.com>
7352 * tree.h (PHI_ARG_NONZERO): Remove.
7353 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7354 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7355 node to the new node.
7357 PR tree-optimization/26425
7358 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7359 min/max, then assume its varying.
7361 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7363 PR rtl-optimization/26316
7364 * rtlanal.c (enum may_trap_p_flags): New.
7365 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7366 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7367 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7368 (may_trap_after_code_motion_p): New function.
7369 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7370 (find_invariant_insn): Use may_trap_after_code_motion_p.
7371 * rtl.h (may_trap_after_code_motion_p): Declare.
7373 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7375 * emit-rtl.c (immed_double_const): Cleanup.
7377 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7379 Fix PR tree-optimization/26376
7380 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7383 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7386 * gimplify.c (omp_add_variable): Guard variable size decl test with
7387 DECL_SIZE (decl) check.
7389 2006-02-23 Richard Guenther <rguenther@suse.de>
7392 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7393 like aggregate types.
7395 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7397 * configure.ac: Add --with{,out}-long-double-128 configure option.
7398 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7399 * configure: Rebuilt.
7400 * config.in: Rebuilt.
7401 * doc/install.texi (Options specification): Document
7402 --with-long-double-128.
7404 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7405 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7406 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7407 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7409 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7411 * config/s390/s390.c (override_options): Handle
7412 TARGET_DEFAULT_LONG_DOUBLE_128.
7414 * config/alpha/alpha.c (override_options): Handle
7415 TARGET_DEFAULT_LONG_DOUBLE_128.
7417 * config/sparc/sparc.c (sparc_override_options): Handle
7418 TARGET_DEFAULT_LONG_DOUBLE_128.
7420 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7422 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7423 (real-install-headers-tar, real-install-headers-cpio)
7424 (real-install-headers-cp): New targets.
7426 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7428 * tree.h (variable_section): Delete.
7429 * varasm.c (variable_section): Delete.
7431 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7433 * install.texi: Add notes on install.texi2html.
7434 (Building in parallel): Do not use footnotes.
7436 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7439 * doc/install.texi (Configuration): Document --disable-libgomp.
7441 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7443 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7445 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7447 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7448 (vec_extractv2df_0_sse): New.
7450 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7452 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7453 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7454 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7455 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7456 to the result of the expression.
7457 (def_cfa_1): Adjust.
7458 (frame_pointer_cfa_offset): Rename to...
7459 (frame_pointer_fb_offset): ... this. Adjust all uses.
7460 (convert_cfa_to_loc_list): Rename to...
7461 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7462 Pass it on to build_cfa_loc.
7463 (compute_frame_pointer_to_cfa_displacement): Rename to...
7464 (compute_frame_pointer_to_fb_displacement): ... this. New
7465 offset parameter. Use it in computation.
7466 (gen_subprogram_die): Compute cfa_fb_offset with the new
7467 macro, and use it to compute the fb loc list and the
7470 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7472 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7473 replaced with register_operand.
7474 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7475 non-DREG is expensive.
7476 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7477 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7480 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7482 * doc/install.texi2html: Use set -e.
7484 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7486 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7487 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7488 * doc/invoke.texi (-fshared-data): Delete.
7489 * common.opt (fshared-data): Delete.
7490 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7491 (assemble_static_space): Remove #if 0 code.
7492 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7493 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7494 * config/cris/cris.h: Remove FIXME.
7496 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7498 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7501 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7504 * combine.c (simplify_shift_const_1): Disable nested shifts
7505 optimization for vector shifts.
7507 2006-02-20 Roger Sayle <roger@eyesopen.com>
7509 PR tree-optimization/26361
7510 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7511 of unsigned integer types.
7513 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7515 * tree-chrec.c (eq_evolutions_p): New.
7516 * tree-chrec.h (eq_evolutions_p): Declared.
7517 * tree-data-ref.c: Fix formatting.
7518 (datadep_stats, dependence_stats): New.
7520 (print_direction_vector): New.
7521 (dump_data_dependence_relation): Use print_direction_vector.
7522 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7523 (compute_subscript_distance): Static.
7524 (initialize_data_dependence_relation): Static. Get the number
7525 of loops surrounding the references from the callers, and initialize
7526 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7527 base_object_differ_p analyzers.
7528 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7529 compute_overlap_steps_for_affine_1_2,
7530 analyze_subscript_affine_affine): Count the classified dependences.
7531 Print a message when a test failed.
7532 (can_use_analyze_subscript_affine_affine): New.
7533 (analyze_siv_subscript): Compute the data dependences on symbolic
7534 scevs that verify can_use_analyze_subscript_affine_affine.
7535 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7536 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7537 Handle symbolic scevs.
7538 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7540 (subscript_dependence_tester): Moved...
7541 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7542 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7543 DDR_SIZE_VECT instead of getting it in parameter.
7544 (subscript_dependence_tester): ... here. Take as a parameter
7545 loop_nest_depth. Call build_classic_dist_vector and
7546 build_classic_dir_vector.
7547 (compute_affine_dependence): Update subscript_dependence_tester
7548 parameters. Update datadep_stats counters. Call
7549 compute_subscript_distance.
7550 (compute_self_dependence): Save the dist and dir vectors. Call
7551 compute_subscript_distance.
7552 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7553 (compute_all_dependences): Reorder parameters as they were before
7554 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7555 compute_subscript_distance. Update the use of
7556 compute_affine_dependence and initialize_data_dependence_relation.
7557 (find_data_references_in_loop): Handle COMPONENT_REF.
7558 (compute_data_dependences_for_loop): Initialize dependence_stats.
7559 Don't call build_classic_dist_vector and build_classic_dir_vector.
7560 Update the parameters of initialize_data_dependence_relation and
7561 compute_all_dependences. Print the statistics from datadep_stats.
7562 (analyze_all_data_dependences): Static. Not used until the pass for
7563 checking the data dependences is contributed.
7564 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7565 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7566 (initialize_data_dependence_relation, compute_affine_dependence,
7567 analyze_all_data_dependences, compute_subscript_distance): Removed.
7568 (print_direction_vector): New.
7569 * lambda.h (gcd): ... here.
7570 (lambda_vector_gcd): Moved here from gcd_vector.
7571 * lambda-code.c (gcd, gcd_vector): Removed.
7572 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7573 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7575 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7577 * ipa-type-escape.c: Tidy some comments and white space.
7578 * tree-ssa-operands.c: Likewise.
7580 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7583 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7584 (dump_decl_name): Do not walk the decl tree chains.
7585 * tree-pass.h (TDF_CHAIN): Remove.
7587 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7589 * Makefile.in (C): Remove
7591 (.PHONY): Remove C and PROTO
7593 2006-02-20 Roger Sayle <roger@eyesopen.com>
7596 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7597 deprecated CHAR_TYPE tree code.
7599 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7601 * configure.ac (target_list): Add install-info, dvi, html.
7602 * configure: Regenerate.
7604 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7605 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7606 treelang/Make-lang.in: Do not use double-colon rules.
7608 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7610 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7611 (TMT_USED_ALONE): New macro.
7612 * tree-pass.h (PROP_tmt_usage): New property.
7613 (TODO_update_tmt_usage): New todo.
7614 * tree-ssa-alias.c (updating_used_alone): New variable.
7615 (recalculate_used_alone): New function.
7616 (compute_may_aliases): Set updating_used_alone, call
7617 recalculate_used_alone.
7618 * tree-sra.c (pass_sra): Note that this pass destroys
7619 PROP_tmt_usage, and add TODO_update_tmt_usage.
7620 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7621 * tree-flow.h (updating_used_alone): Prototype.
7622 (recalculate_used_alone): Ditto.
7623 * passes.c (execute_todo): Add code to set updating_used_alone,
7624 and call recalculate.
7625 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7626 for clobber if used alone, and add assert to verify used_alone
7629 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7631 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7632 for non tls symbols added.
7633 (legitimize_address): Do nothing for PLUS expressions if one of the
7634 addends is a tls symbol reference.
7636 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7640 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7642 * Makefile.in (BOOTSTRAPPING): New.
7643 (quickstrap): New definition if BOOTSTRAPPING=yes.
7645 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7646 * configure.ac: Substitute all_selected_languages with the languages
7647 that were configured. For all the other variables except
7648 lang_specs_files, include all the languages in the tree.
7649 * configure: Regenerate.
7651 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7652 if there is one. Run the commands to run fixincludes in the same
7655 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7656 * doc/install.texi: Document exact conventions for searching target tools.
7657 Document --with-build-time-tools. Document toplevel bootstrap. Document
7658 something more about building an Ada cross-compiler. Don't list GNU Make
7659 requirements which affect all platforms.
7661 2006-02-19 Roger Sayle <roger@eyesopen.com>
7664 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7665 only equivalent if the have both the same mode and precision.
7667 2006-02-20 Ben Elliston <bje@au.ibm.com>
7669 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7671 2006-02-19 Roger Sayle <roger@eyesopen.com>
7672 Steven Bosscher <stevenb.gcc@gmail.com>
7674 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7675 constant pool references to identify stack mode constants.
7676 * rtlanal.c (constant_pool_constant_p): New predicate to check
7677 whether operand is a floating point constant in the pool.
7678 * rtl.h (constant_pool_constant_p): Prototype here.
7679 * loop.c (scan_loop): Avoid hoisting constants from the constant
7680 pool on STACK_REGS targets.
7681 (load_mems): Likewise.
7682 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7683 loads into x87 registers expensive in terms of register pressure.
7685 2006-02-19 Roger Sayle <roger@eyesopen.com>
7687 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7688 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7690 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7692 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7693 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7695 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7697 * doc/invoke.texi: Document -fipa-pta.
7698 * common.opt: Add ipa-pta option.
7699 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7700 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7701 (do_ds_constraint): Ditto.
7702 (get_constraint_for): Only add to referenced_vars if
7703 referenced_vars exists.
7704 (insert_into_field_list): Rewrite to do this unsorted.
7705 (insert_into_field_list_sorted): Rename old insert_into_field_list
7707 (create_function_info_for): Use insert_into_field_list_sorted.
7708 (create_variable_info_for): Rewrite so it uses unsorted version,
7709 since the field list is sorted.
7710 (intra_create_variable_infos): Only add to referenced_vars if
7711 referenced_vars exists.
7712 (ipa_pta_execute): Init heapvars, and delete when done.
7713 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7715 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7717 * doc/install.texi: Add missing `@samp'.
7719 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7721 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7724 2006-02-18 Mark Wielaard <mark@klomp.org>
7726 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7727 who added new 4.1 features, bug fixes and integration support.
7729 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7732 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7735 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7737 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7738 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7739 (copy_insn_1): Likewise. Don't copy each field individually.
7741 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7743 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7744 * rtl.c (rtx_size): Rename variable to...
7745 (rtx_code_size): ...this.
7746 (rtx_size): New function.
7747 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7748 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7750 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7751 * rtl.h (rtx_code_size): New variable.
7752 (rtx_size): Change from a variable to a function.
7753 (RTX_SIZE): Rename to...
7754 (RTX_CODE_SIZE): ...this.
7757 PR tree-optimization/17106
7758 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7759 (Anchored Addresses): New section.
7760 * doc/invoke.texi (-fsection-anchors): Document.
7761 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7762 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7763 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7764 * hooks.c (hook_bool_mode_rtx_false): New function.
7765 * hooks.h (hook_bool_mode_rtx_false): Declare.
7766 * gengtype.c (create_optional_field): New function.
7767 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7768 SYMBOL_REF_IN_BLOCK_P is true.
7769 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7770 (min_anchor_offset, max_anchor_offset): Likewise.
7771 (use_anchors_for_symbol_p): New hook.
7772 * toplev.c (compile_file): Call output_object_blocks.
7773 (target_supports_section_anchors_p): New function.
7774 (process_options): Check that -fsection-anchors is only used on
7775 targets that support it and when -funit-at-a-time is in effect.
7776 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7777 if the decl doesn't have one.
7778 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7779 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7780 of force_const_mem through use_anchored_address.
7781 (expand_expr_constant): New function.
7782 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7783 calling expand_expr for INDIRECT_REF.
7784 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7785 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7786 * expr.h (use_anchored_address): Declare.
7787 * loop-unroll.c: Don't declare rtx vectors here.
7788 * explow.c: Include output.h.
7789 (validize_mem): Call use_anchored_address.
7790 (use_anchored_address): New function.
7791 * common.opt (-fsection-anchors): New switch.
7792 * varasm.c (object_block_htab, anchor_labelno): New variables.
7793 (hash_section, object_block_entry_eq, object_block_entry_hash)
7794 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7795 (use_blocks_for_decl_p, change_symbol_section): New functions.
7796 (get_variable_section): New function, split out from assemble_variable.
7797 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7798 use_blocks_for_decl_p say so. Use change_symbol_section if the
7799 symbol has already been created.
7800 (assemble_variable_contents): New function, split out from...
7801 (assemble_variable): ...here. Don't output any code for
7802 block symbols; just pass them to place_block_symbol.
7803 Use get_variable_section and assemble_variable_contents.
7804 (get_constant_alignment, get_constant_section, get_constant_size): New
7805 functions, split from output_constant_def_contents.
7806 (build_constant_desc): Create a block symbol if use_object_blocks_p
7807 says so. Or into SYMBOL_REF_FLAGS.
7808 (assemble_constant_contents): New function, split from...
7809 (output_constant_def_contents): ...here. Don't output any code
7810 for block symbols; just pass them to place_section_symbol.
7811 Use get_constant_section and get_constant_alignment.
7812 (force_const_mem): Create a block symbol if use_object_blocks_p and
7813 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7814 (output_constant_pool_1): Add an explicit alignment argument.
7815 Don't switch sections here.
7816 (output_constant_pool): Adjust call to output_constant_pool_1.
7817 Switch sections here instead. Don't output anything for block symbols;
7818 just pass them to place_block_symbol.
7819 (init_varasm_once): Initialize object_block_htab.
7820 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7821 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7822 (place_block_symbol, get_section_anchor, output_object_block)
7823 (output_object_block_htab, output_object_blocks): New functions.
7824 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7825 (TARGET_ASM_OUT): Include it.
7826 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7827 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7828 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7829 (TARGET_INITIALIZER): Include them.
7830 * rtl.c (rtl_check_failed_block_symbol): New function.
7831 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7832 (block_symbol, object_block): New structures.
7833 (rtx_def): Add a block_symbol field to the union.
7834 (BLOCK_SYMBOL_CHECK): New macro.
7835 (rtl_check_failed_block_symbol): Declare.
7836 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7837 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7838 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7839 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7840 * output.h (output_section_symbols): Declare.
7841 (object_block): Name structure.
7842 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7843 (default_use_anchors_for_symbol_p): Declare.
7844 * Makefile.in (RTL_BASE_H): Add vec.h.
7845 (explow.o): Depend on output.h.
7846 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7847 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7848 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7849 (rs6000_use_blocks_for_constant_p): New function.
7851 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7853 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7855 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7858 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7861 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7863 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7867 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7870 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7871 instead of DECL_REGISTER.
7873 2006-02-18 Olivier Hainque <hainque@adacore.com>
7876 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7878 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7881 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7882 * opth-gen.awk: Handle Var and InverseMask together.
7883 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7884 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7885 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7886 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7888 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7889 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7890 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7891 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7892 LINUX_DYNAMIC_LINKER): Define.
7893 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7894 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7896 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7897 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7898 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7900 (TARGET_C99_FUNCTIONS): Don't define.
7901 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7902 GLIBC_DYNAMIC_LINKER.
7903 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7904 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7905 GLIBC_DYNAMIC_LINKER64): Define.
7906 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7907 LINUX_DYNAMIC_LINKER64.
7908 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7910 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7912 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7914 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7915 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7916 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7918 and LINUX_DYNAMIC_LINKER32.
7919 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7921 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7923 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7925 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7926 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7927 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7928 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7929 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7930 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7931 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7932 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7933 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7934 LINUX_DYNAMIC_LINKER): Define.
7935 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7936 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7937 GLIBC_DYNAMIC_LINKER64): Define.
7938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7939 LINUX_DYNAMIC_LINKER64.
7940 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7941 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7942 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7943 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7944 LINUX_DYNAMIC_LINKER): Define.
7945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7946 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7947 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7948 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7949 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7950 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7951 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7952 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7953 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7954 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7956 * doc/invoke.texi (-muclibc): Remove caveat about supported
7959 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7961 * doc/cpp.texi (__TIMESTAMP__): Document.
7963 2006-02-17 Roger Sayle <roger@eyesopen.com>
7966 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7967 C is one less than the width of X (and related transformations).
7968 * simplify-rtx.c (simplify_unary_operation_1): Transform
7969 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7970 depending on STORE_FLAG_VALUE, were C is one less then the
7973 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7975 Fix PR tree-optimization/26341
7976 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7977 about NAME_MEMORY_TAG's.
7979 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7982 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7983 with hardware float support, and software float support. Add fcpy
7984 alternative to hardware patterns. Add alternatives to copy between
7985 general and floating-point registers to the 32-bit pattern.
7986 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7987 secondary reload to load a QI or HI mode constant into a floating
7989 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7990 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7992 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7995 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7997 (load_macho_picbase_di): Likewise.
7999 2006-02-16 Jeff Law <law@redhat.com>
8001 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8002 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8003 (ssa_name_nonzero_p): Likewise.
8004 (get_value_range): Return NULL if VRP is not running.
8005 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8006 VRP routines do not discover a range.
8007 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8008 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8009 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8010 (tree_expr_nonnegative_p): Similarly.
8011 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8012 (restore_nonzero_vars_to_original_value): Remove.
8013 (unsafe_associative_fp_binop): Remove.
8014 (tree_ssa_dominator_optimize): Remove initialization and
8015 finalization of nonzero_vars and nonzero_vars_stack.
8016 (dom_opt_initialize_block): No longer push marker on
8018 (dom_opt_finalize_block): No longer call
8019 restore_nonzero_vars_to_original_value.
8020 (record_equivalences_from_phis): No longer look for
8021 nonzero PHI arguments.
8022 (cprop_into_successor_phis): No longer propagate nonzero
8023 property into PHI arguments. Lose unused argument. Caller
8025 (record_equivalences_from_stmt): No longer record nonzero
8026 values for SSA_NAMEs.
8027 (lookup_avail_expr): No longer use nonzero_vars.
8029 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8030 for sizetype when sizetype is unsigned.
8032 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8034 PR rtl-optimization/25603
8035 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8036 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8037 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8038 with new meaning of SETS.
8040 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8045 * config/linux.opt: New file.
8046 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8047 LINUX_DYNAMIC_LINKER): Define.
8048 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8049 * config.gcc (*-*-linux*): Define extra_options.
8050 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8051 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8052 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8053 GLIBC_DYNAMIC_LINKER.
8054 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8055 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8056 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8058 * doc/invoke.texi (GNU/Linux Options): New section.
8060 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8062 * config/sparc/sparc.md (setjmp): Rewrite.
8063 (setjmp_32): Delete.
8064 (setjmp_64): Likewise.
8066 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8068 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8071 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8073 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8076 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8078 PR rtl-optimization/26296
8079 * Makefile.in (loop-invariant.c): Add except.h dependency.
8080 * loop-invariant.c: Include except.h.
8081 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8083 2005-02-16 Paul Brook <paul@codesourcery.com>
8085 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8088 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8090 PR rtl-optimization/25636
8091 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8092 when deciding whether an insn is an initializing insn.
8094 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8096 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8097 (tree_code_size): Ditto.
8098 * tree.h (struct tree_memory_tag): Remove parent_var.
8099 (struct tree_struct_field_tag): New.
8102 (union tree_node): Add sft member.
8103 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8105 (create_sft): Add size and offset argument, set SFT_OFFSET and
8107 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8108 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8109 * tree-flow-inline.h (get_subvar_at): Update for
8110 SFT_OFFSET/SFT_SIZE.
8111 (var_can_have_subvars): Ditto.
8112 (overlap_subvar): Ditto.
8113 * print-tree.c (print_node): Print out interesting things for
8115 * tree-flow.h (struct subvar): Remove offset and size members.
8116 * tree-ssa-operands.c (get_expr_operands): Update for
8117 get_indirect_ref_operands changes.
8118 (get_indirect_ref_operands): Call add_virtual_operand instead of
8119 add_stmt_operand. Only recurse on base var if requested.
8120 (access_can_touch_variable): New function.
8121 (add_stmt_operand): Split virtual operand handling into ...
8122 (add_virtual_operand): Here. Add offset, size, and for_clobber
8123 arguments. Prune alias sets.
8124 (add_call_clobber_ops): Call add_virtual_operand.
8126 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8129 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8131 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8132 than TREE_CODE as index into omp_clause_num_ops array.
8134 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8136 PR rtl-optimization/26184
8137 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8139 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8140 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8141 must_precede, must_follow and tobe_scheduled.
8144 * opts.c (common_handle_option): Free new_option pointer.
8145 * df-core.c (df_analyze): Free postorder pointer.
8147 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8149 * Makefile.in: Fix the examples about the use of stamps
8151 2006-02-15 Michael Matz <matz@suse.de>
8155 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8156 influenced by maximum_field_alignment or DECL_PACKED.
8157 (update_alignment_for_field): Ditto.
8158 (place_field): Ditto.
8159 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8162 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8164 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8165 (debug_flow_info): Pass it.
8166 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8167 * bb-reorder.c (reorder_basic_blocks): Likewise.
8168 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8169 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8170 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8171 * gcse.c (gcse_main, bypass_jumps): Likewise.
8172 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8173 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8174 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8175 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8176 * rtl.h (dump_flow_info): Adjust prototype.
8177 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8178 * var-tracking.c (variable_tracking_main): Likewise.
8179 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8180 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8183 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8185 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8188 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8190 PR tree-optimization/26209
8191 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8192 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8194 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8196 2006-02-14 Roger Sayle <roger@eyesopen.com>
8199 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8200 (X,Y) and the corresponding symmetry related transformations.
8201 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8202 (X,Y) and its symmetry related transformations.
8204 2006-02-14 Roger Sayle <roger@eyesopen.com>
8206 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8209 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8211 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8213 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8216 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8217 support COMDAT group.
8218 * configure: Regenerate.
8220 2006-02-14 Roger Sayle <roger@eyesopen.com>
8225 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8227 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8229 Fix PR tree-optimization/26260
8231 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8233 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8234 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8235 * tree-ssa-structalias.c (create_variable_info_for): Use
8236 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8238 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8240 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8242 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8243 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8244 of the ending condition.
8245 * tree-ssa-loop-manip.c: Include params.h.
8246 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8247 tree_unroll_loop): New functions.
8248 * tree-pass.h (pass_loop_prefetch): Declare.
8249 * loop.c (rest_of_handle_loop_optimize): Test for
8250 -fprefetch-loop-arrays-rtl.
8251 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8252 * timevar.def (TV_TREE_PREFETCH): New timevar.
8253 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8254 pass_loop_prefetch): New.
8255 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8256 (cleanup_tree_cfg_loop): Call scev_reset.
8257 * common.opt (fprefetch-loop-arrays-rtl): Add.
8258 * tree-ssa-loop-prefetch.c: New file.
8259 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8260 (new_temp_expr_table): Initialize expr_vars.
8261 (free_temp_expr_table): Cleanup expr_vars.
8262 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8263 expressions from being merged into one.
8264 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8265 (struct tree_niter_desc): Add control, bound and cmp fields.
8266 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8268 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8269 (tree-cfgcleanup.o): Add SCEV_H dependency.
8270 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8271 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8273 2006-02-14 Richard Guenther <rguenther@suse.de>
8275 PR tree-optimization/26258
8276 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8277 in PHI argument processing.
8279 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8281 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8282 new expression in the requested machine mode.
8284 2006-02-13 Roger Sayle <roger@eyesopen.com>
8286 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8287 directly, instead let do_compare_rtx_and_jump handle this for us.
8288 * expr.c (expand_expr_real_1): Likewise.
8289 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8290 before do_jump_by_parts_greater.
8291 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8292 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8294 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8296 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8298 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8300 PR rtl-optimization/26235
8301 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8302 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8305 2006-02-13 Jeff Law <law@redhat.com>
8307 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8310 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8313 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8314 twice if decl is a builtin. When trying again, call get_callee_fndecl
8315 first to verify it is still a builtin.
8317 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8319 * dwarf2out.c (base_type_die): Don't add AT_name here.
8320 (subrange_type_die): Don't add AT_name here.
8321 (modified_type_die): Rearrange code flow. Do add AT_name here.
8323 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8325 PR rtl-optimization/26247
8326 PR rtl-optimization/26248
8327 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8329 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8331 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8332 * config/fixtfdi.c: Likewise.
8333 * config/fixunstfdi.c: Likewise.
8334 * config/floatditf.c: Likewise.
8336 2006-02-13 Roger Sayle <roger@eyesopen.com>
8339 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8340 into (X,C2) if C1 is a subset of the bits of C2. Transform
8341 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8343 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8345 2006-02-13 Josh Conner <jconner@apple.com>
8348 * varasm.c (function_section): Check for section name before
8349 calling select_section on targets that define
8350 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8351 unlikely_text_section instead of hot_function_section if
8352 first_function_block_is_cold.
8354 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8357 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8359 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8361 PR rtl-optimization/26222
8362 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8363 after tree->rtl expansion.
8364 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8365 before passing it to emit_move_insn.
8367 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8369 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8371 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8372 Clarify documentation.
8373 * c-common.h (warn_write_strings): Remove.
8374 * c-common.c (warn_write_strings): Likewise.
8375 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8378 2006-02-12 Roger Sayle <roger@eyesopen.com>
8381 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8382 (do_jump_parts_zero_rtx): New function renamed from
8383 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8384 (do_jump_parts_equality_rtx): New function split out from
8385 do_jump_parts_equality. Old implementation renamed as above.
8386 Call do_jump_parts_zero_rtx if either operand is zero.
8387 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8388 do all of the heavy lifting.
8389 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8390 calling either do_jump_by_parts_greater_rtx or
8391 do_jump_by_parts_equality_rtx.
8392 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8393 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8394 moved to do_compare_rtx_and_jump, call it directly.
8395 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8396 mode argument. Call do_compare_rtx_and_jump.
8397 (emit_case_nodes): Update calls to do_jump_if_equal.
8399 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8401 PR rtl-optimization/26225
8402 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8404 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8406 PR rtl-optimization/26232
8407 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8409 2006-02-11 Jason Merrill <jason@redhat.com>
8412 * tree-inline.c (declare_return_variable): Just don't use the
8413 modify target if it's a gimple complex reg and the return slot
8416 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8418 * doc/contrib.texi: Update my entry.
8420 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8422 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8424 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8426 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8429 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8431 * doc/invoke.texi (-floop-optimize2): Removed.
8432 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8433 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8434 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8435 * common.opt (floop-optimize2): Removed.
8436 (fmove-loop-invariants): Enabled by default.
8438 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8440 * tree-if-conv.c (combine_blocks): Free the result of
8441 get_loop_exit_edges.
8443 2006-02-10 Jeff Law <law@redhat.com>
8445 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8447 PR tree-optimization/26213
8448 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8449 loop trying to follow SSA_NAME_VALUE chains.
8451 2006-02-10 Richard Guenther <rguenther@suse.de>
8453 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8454 deal with structures that end in implicitly variable sized arrays.
8456 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8458 PR rtl-optimization/24762
8459 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8462 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8464 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8465 (struct ivopts_data): Add regs_used field.
8466 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8467 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8468 instead of loop_data->regs_used;
8469 (free_loop_data): Do not free aux fields for loops.
8470 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8471 and tree_ssa_iv_optimize_finalize.
8473 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8475 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8477 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8480 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8481 computing the effective result type.
8483 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8486 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8487 (tree_overlaps_hard_reg_set): Declare.
8488 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8489 type and signature to match function type expected by walk_tree.
8490 (tree_overlaps_hard_reg_set): New function.
8491 (decl_conflicts_with_clobbers_p): Rename to:
8492 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8493 Use tree_overlaps_hard_reg_set. Changed caller.
8494 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8495 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8496 * cris.c (cris_md_asm_clobbers): Likewise.
8498 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8500 * reload1.c (emit_input_reload_insns): Delete code that tries to
8501 inherit using find_equiv_reg.
8503 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8505 * c-common.h (flag_const_strings): Don't declare.
8506 * c-common.c (flag_const_strings): Remove.
8507 * c.opt (fconst_strings): Remove.
8508 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8509 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8510 (c_common_init_options): Don't set flag_const_strings.
8511 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8513 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8515 * arm.md (tlobits_cbranch): New pattern.
8516 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8517 testing a single bit.
8519 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8522 * tree-ssa-pre.c (create_component_ref_by_pieces):
8523 Handle RETURN_DECL like VAR_DECL.
8525 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8528 * fold-const.c (fold_indirect_ref_1): Fold
8529 "*(foo *)&complexfoo" to "__real__ complexfoo"
8530 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8532 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8534 * tree-flow-inline.h (var_can_have_subvars):
8535 Volatile variables should not have subvariables.
8537 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8540 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8541 multiplying unsigned values.
8544 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8546 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8548 2006-02-08 Jason Merrill <jason@redhat.com>
8551 * tree.def: Elaborate on difference from MODIFY_EXPR.
8552 * doc/c-tree.texi (INIT_EXPR): Likewise.
8553 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8554 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8555 (gimplify_target_expr): Likewise.
8556 (gimplify_cond_expr): Remove target handling.
8557 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8558 (gimplify_expr): Clobber it here.
8559 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8560 Do return slot optimization if we have an INIT_EXPR.
8563 * tree-inline.c (declare_return_variable): Also clear
8564 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8567 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8570 * gimplify.c (gimplify_one_sizepos): Fix typo.
8572 2006-02-08 Jeff Law <law@redhat.com>
8574 PR tree-optimization/21417
8575 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8576 across a backedge if the control statement at the end of the
8577 block is data dependent on other statements in the same block.
8578 (record_temporary_equivalences_from_stmts): Remove over-conservative
8579 test for threading across backedges.
8581 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8582 control statement, handle all three special cases in the same
8583 manner as they all have the same desired solution. No longer
8584 special case edge flag updating when the post dominator is
8587 2006-02-08 Roger Sayle <roger@eyesopen.com>
8589 * tree.def (CHAR_TYPE): Remove.
8590 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8591 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8592 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8593 (gen_string_type_die): Delete unreachable function.
8595 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8596 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8597 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8598 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8599 * builtins.c (type_to_class): Likewise.
8600 * fold-const.c (fold_convert, build_range_check,
8601 merge_ranges): Likewise.
8602 * expr.c (count_type_elements): Likewise.
8603 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8604 * stor-layout.c (layout_type): Likewise.
8605 * ipa-type-escape.c (type_to_consider): Likewise.
8606 * gimplify.c (omp_firstprivatize_type_sizes,
8607 gimplify_type_sizes): Likewise.
8608 * explow.c (promote_mode): Likewise.
8609 * tree-sra.c (is_sra_scalar_type): Likewise.
8610 * varasm.c (output_constant): Likewise.
8611 * tree-inline.c (remap_type_1): Likewise.
8612 * convert.c (convert_to_pointer, convert_to_real,
8613 convert_to_integer, convert_to_complex): Likewise.
8615 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8617 * df-scan.c (df_def_record_1): A set destination may
8618 be a parallel regardless of mode.
8620 2006-02-08 Roger Sayle <roger@eyesopen.com>
8623 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8624 * config/mips/_tilib.c: Remove.
8625 * config/fixtfdi.c: New libgcc source file.
8626 * config/fixunstfdi.c: New source file.
8627 * config/floatditf.c: New source file.
8628 * config/floatunditf.c: New souce file.
8629 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8630 files above instead of config/mips/_tilib.c.
8631 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8633 2006-02-08 Jeff Law <law@redhat.com>
8635 PR tree-optimization/26169
8636 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8639 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8641 * df.h (DF_REG_SIZE): Return the length of the initialized
8644 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8646 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8647 __muldf3): Return a correctly signed zero.
8649 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8651 * passes.c (register_one_dump_file): Accept the current properties
8652 instead of pass number. Adjust call to dump_register. Remove
8654 (register_dump_files): Now a wrapper around...
8655 (register_dump_files_1): ... this one. Do not modify the pass
8657 (next_pass_1): Cosmetic fix.
8658 (execute_todo): Keep second parameter only. Use curr_properties
8659 instead of fetching it from the pass structure. Check and set
8661 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8662 instead of fetching it from the pass structure. Fix calls to
8663 execute_todo. Update curr_properties and initialize .vcg RTL dump
8664 after running the pass. Reset last_verified.
8665 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8667 (FIRST_AUTO_NUMBERED_DUMP): New.
8668 (dump_register): Remove "num" parameter, assign it within the
8670 (get_dump_file_name): Modify template for dumps.
8671 * tree-dump.h (dump_register): Adjust prototype.
8672 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8673 (PROP_trees): Add PROP_gimple_lomp.
8674 (TODO_set_props): New.
8675 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8676 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8677 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8679 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8681 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8682 (sparc64-*-linux*): Likewise.
8683 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8684 * config/sparc/t-linux: New file.
8685 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8686 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8687 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8688 -m32 -mlong-double-128.
8690 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8691 * config/alpha/t-linux: New file.
8692 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8694 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8695 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8696 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8697 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8698 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8699 (CPP_ARCH32_SPEC): Remove.
8701 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8703 PR tree-optimization/26145
8704 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8707 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8710 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8711 >= 240000 when generating code for SOM runtime.
8712 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8713 to $$dyncall when generating code for SOM runtime..
8715 2006-02-07 Dirk Mueller <dmueller@suse.com>
8718 * doc/invoke.texi (-Wsequence-point): Update documentation
8719 that -Wsequence-point is implemented for C++ as well.
8721 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8723 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8724 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8725 (LIB_SPEC): Likewise.
8726 * doc/invoke.texi (SPARC options): Document -pthread.
8728 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8730 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8733 2006-02-07 Roger Sayle <roger@eyesopen.com>
8735 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8736 Correct comment describing BOOLEAN_TYPE.
8738 2006-02-07 Dirk Mueller <dmueller@suse.com>
8740 * c.opt: C++ frontend supports -Wdiv-by-zero.
8741 * c-opts.c (c_common_handle_option): Remove dead case.
8743 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8745 * configure.ac (TLS assembler check): Do not enable TLS by
8746 default on SPARC/Solaris before version 10.
8747 * configure: Regenerate.
8749 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8751 * doc/invoke.texi (xl-compat): Document conversion and support
8754 2006-02-07 Jeff Law <law@redhat.com>
8756 * tree-vrp.c (find_conditional_asserts): Update comments.
8757 (simplify_stmt_for_jump_threading): New.
8758 (identify_jump_threads, finalize_jump_threads): New.
8759 (vrp_finalize): Call identify_jump_threads.
8760 (execute_vrp): Call finalize_jump_threads.
8761 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8762 (vrp_element, vrp_data, vrp_element_p): Remove.
8763 (vrp_hash_elt, vrp_variables_stack): Remove.
8764 (vrp_hash, vrp_eq, record_range): Remove.
8765 (simplify_cond_and_lookup_avail_expr): Remove.
8766 (extract_range_from_cond): Remove.
8767 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8768 (simplify_stmt_for_jump_threading): New.
8769 (dom_thread_across_edge): New wrapper.
8770 (tree_ssa_dominator_optimize): No longer initialize or
8771 finalize any of the VRP datastructures. Remove iteration
8772 step and simplify as a result of removal of iteration step.
8773 (pass_dominator): Perform a cfg cleanup after DOM.
8774 (dom_opt_finalize_block): Use the new common routines
8775 for threading jumps. Simplify stack management slightly.
8776 No longer need to unwind VRP state.
8777 (record_equivalences_from_incoming_edge): No longer record
8779 (eliminate_redundant_computations): No longer call
8780 simplify_cond_and_lookup_avail_expr.
8781 * tree-flow.h (potentially_threadable_block): Prototype.
8782 (thread_across_edge): Likewise.
8783 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8784 (tree-ssa-threadedge.o): Add dependencies.
8785 * tree-ssa-threadedge.c: New file.
8786 * passes.c (init_optimization_passes): Merge PHIs before
8787 calling VRP. Run VRP again late in the SSA optimization pipeline.
8789 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8791 * df-core.c (df_set_blocks): Do not dereference function pointers.
8792 (df_finish1): Likewise.
8793 (df_hybrid_search_forward): Likewise.
8794 (df_hybrid_search_backward): Likewise.
8795 (df_iterative_dataflow): Likewise.
8796 (df_analyze_problem): Likewise.
8797 (df_compact_blocks): Likewise.
8798 (df_dump): Likewise.
8799 * df-scan.c (df_rescan_blocks): Likewise.
8800 (df_record_entry_block_defs): Likewise.
8802 * genconditions.c (write_conditions): Guard the definition of
8803 'insn_conditions' with the check on GCC version.
8804 (write_writer): Guard the traversal 'insn_conditions' with
8805 the check on GCC version.
8807 2006-02-07 Richard Guenther <rguenther@suse.de>
8811 2006-01-30 Richard Guenther <rguenther@suse.de>
8813 * gimplify.c (gimplify_target_expr): Handle easy cases
8814 without creating a temporary.
8816 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8818 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8819 use of float in probability computations. Use edge probabilities
8820 in place of statically computed probabilities.
8821 (min_spec_prob): New static variable.
8822 (schedule_insns): Initialize it.
8823 (GET_SRC_PROB): Removed.
8824 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8826 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8829 * config/ia64/unwind-ia64.c: Revert last change.
8830 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8831 (INCOMING_FRAME_SP_OFFSET): Define.
8833 2006-02-06 Roger Sayle <roger@eyesopen.com>
8835 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8837 2006-02-07 Ben Elliston <bje@au.ibm.com>
8839 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8840 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8841 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8842 (ix86_return_in_memory): Handle TDmode.
8843 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8844 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8846 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8848 * reorg.c (dbr_schedule): Use dump_file instead of file.
8850 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8853 * config/ia64/predicates.md (extr_len_operand): New predicate.
8854 * config/ia64/ia64.md (extv): Tighten constraints.
8856 (*tbit_and_2): Ditto.
8857 (*tbit_and_3): Ditto.
8858 (*tbit_or_2): Ditto.
8859 (*tbit_or_3): Ditto.
8863 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8866 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8868 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8870 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8871 loop_optimizer_init and loop_optimizer_finalize
8872 * tree-ssa-sink.c (execute_sink_code): Ditto.
8873 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8874 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8875 tree_ssa_loop_done): Ditto.
8876 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8877 * sched-ebb.c: Include output.h.
8878 (schedule_ebbs): Do not use dump argument.
8879 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8880 * loop.c (loop_dump_stream): Removed.
8881 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8883 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8884 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8885 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8886 loop_iterations, strength_reduce, record_biv, record_giv,
8887 final_giv_value, check_final_value, check_ext_dependent_givs,
8888 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8889 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8890 dump_file instead of loop_dump_stream.
8891 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8893 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8895 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8896 * haifa-sched.c: Include output.h
8897 (schedule_insns, sched_init): Do not use dump argument.
8898 * mode-switching.c (optimize_mode_switching): Ditto.
8899 * modulo-sched.c (stats_file): Removed.
8900 (print_node_sched_params): Do not call argument dump_file.
8901 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8902 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8904 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8906 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8907 rtl_loop_init, rtl_loop_done): Ditto.
8908 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8909 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8911 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8912 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8913 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8914 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8915 * emit-rtl.c (renumber_insns): Ditto.
8916 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8917 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8918 * regclass.c (regclass): Ditto.
8919 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8920 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8921 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8922 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8924 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8925 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8927 * gcse.c (gcse_file, debug_stderr): Removed.
8928 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8929 rest_of_handle_gcse): Do not use dump argument.
8930 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8931 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8932 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8933 compute_code_hoist_vbeinout, compute_code_hoist_data,
8934 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8935 compute_store_table, build_store_vectors, insert_insn_start_bb,
8936 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8937 store_motion): Use dump_file instead of gcse_file.
8938 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8939 * profile.c (profile_dump_file): Removed.
8940 (branch_prob): Use dump_file instead of profile_dump_file.
8941 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8943 * tree-ssa-copy.c (dump_copy_of): Ditto.
8944 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8945 dump file to life_analysis.
8946 * bt-load.c (branch_target_load_optimize): Ditto.
8947 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8949 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8950 regclass, dbr_schedule): Declaration changed.
8951 * sched-int.h (sched_init): Declaration changed.
8952 * tree-profile.c (tree_profile_dump_file): Removed.
8953 (tree_profile_hooks): Removed profile_dump_file hook.
8954 * rtl-profile (rtl_profile_dump_file): Removed.
8955 (rtl_profile_hooks): emoved profile_dump_file hook.
8956 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8958 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8959 * tree-cfg.c (build_tree_cfg): Ditto.
8960 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8961 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8962 Declaration changed.
8963 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8964 life_analysis and schedule_insns.
8965 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8967 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8969 * config/mips/mips.c (mips_reorg): Ditto.
8970 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8973 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8975 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8976 (s390_mangle_fundamental_type): New.
8977 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8980 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8981 (alpha_mangle_fundamental_type): New.
8982 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8985 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8987 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8989 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8990 (sparc_mangle_fundamental_type): New.
8992 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8994 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8995 (s390x-*-linux*): Likewise.
8996 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8997 * config/s390/t-linux: New file.
8999 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9001 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9002 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9004 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9006 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9007 (ANTIC_SAFE_LOADS): New macro.
9008 (find_or_generate_expression): Add prototype.
9009 (set_contains_value): Allow null set for sake of not always having
9010 to allocate ANTIC_SAFE_LOADS.
9011 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9012 Allow COMPONENT_REF too.
9013 (valid_in_set): Allow COMPONENT_REF.
9014 Check ANTIC_SAFE_LOADS too.
9015 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9016 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9018 (can_PRE_operation): Add COMPONENT_REF.
9019 (create_component_ref_by_pieces): New function.
9020 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9021 (insert_aux): Move AGGREGATE_TYPE_P check here.
9022 (compute_avail): Set bb local stmt uids.
9023 (pass_pre): Use TODO_update_ssa_only_virtuals.
9025 2006-02-06 Ben Elliston <bje@au.ibm.com>
9027 * configure.ac: Unconditionally disable decimal float by default.
9028 * configure: Regenerate.
9030 2006-02-06 Ben Elliston <bje@au.ibm.com>
9032 * read-rtl.c (read_name): Terminate reading on EOF.
9034 2006-02-06 Ben Elliston <bje@au.ibm.com>
9036 * dfp.c (decimal_real_arithmetic): Change second argument type
9037 from int to enum tree_code. Do not always return true, but now
9038 return result of any call to decimal_do helper functions.
9039 * dfp.h (decimal_real_arithmetic): Update prototype.
9041 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9043 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9045 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9048 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9051 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9053 * tree-vrp.c (cfg_loops): Removed.
9054 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9055 Use current_loops instead of cfg_loops. Pass flags to
9056 loop_optimizer_init.
9057 * cfgloopmanip.c (fix_loop_structure): Update only available
9059 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9060 loop_optimizer_init.
9061 * modulo-sched.c (build_loops_structure): Removed.
9062 (sms_schedule): Use loop_optimizer_init.
9063 * loop-init.c (loop_optimizer_init): Use flags to determine
9064 which properties of loops to prepare.
9065 (rtl_loop_init): Pass flags to loop_optimizer_init.
9066 * tree-ssa-sink.c (execute_sink_code): Ditto.
9067 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9068 * tree-ssa-pre.c (init_pre): Ditto.
9069 * cfgloop.h (LOOPS_NORMAL): New.
9070 (loop_optimizer_init): Declaration changed.
9072 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9074 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9075 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9077 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9079 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9081 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9082 * pa/t-pa64: Delete quadlib.c rule.
9083 * pa/x-ada: Revert last change.
9084 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9086 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9088 PR rtl-optimization/26087
9089 * rtlanal.c (canonicalize_condition): Do not cross basic block
9092 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9095 * config/ia64/ia64.c: Include debug.h.
9096 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9097 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9098 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9099 (process_epilogue, process_set, process_for_unwind_directive):
9100 Output unwind info only if requested. Add CFA info if requested.
9101 Add new arguments as needed. Adjust callers.
9102 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9104 (DWARF2_FRAME_INFO): Define to zero.
9105 * config/ia64/unwind-ia64.c: Remove code that compensated for
9106 the CFA offset error fixed above.
9107 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9108 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9109 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9110 -funwind-tables and -fexceptions to enable frame info.
9111 (dwarf2out_frame_init): Define initial CFA even if
9112 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9113 DWARF2_UNWIND_INFO is nonzero, not just defined.
9114 (dwarf2out_frame_finish): Output non-EH call frame info only
9115 if DWARF2_FRAME_INFO is nonzero.
9116 (convert_cfa_to_loc_list,
9117 compute_frame_pointer_to_cfa_displacement): Define even if
9118 unwind info is not supported.
9119 (gen_subprogram_die): Use the above unconditionally. Remove
9120 legacy alternate code.
9121 * toplev.c (compile_file): Compile in call to
9122 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9123 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9125 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9126 Jakub Jelinek <jakub@redhat.com>
9128 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9129 IBM extended float format long double as "g" on powerpc*-linux.
9131 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9134 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9135 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9137 2006-02-03 Jason Merrill <jason@redhat.com>
9140 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9143 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9144 on the return slot if it's an NRV.
9146 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9148 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9149 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9150 rewrite_use): Do not handle USE_OUTER.
9151 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9152 add_iv_outer_candidates, may_replace_final_value,
9153 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9154 (find_interesting_uses_op): Functionality of
9155 find_interesting_uses_outer_or_nonlin moved here.
9156 (find_interesting_uses_outside): Use find_interesting_uses_op.
9158 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9161 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9163 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9164 Ulrich Weigand <uweigand@de.ibm.com>
9167 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9168 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9169 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9170 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9172 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9173 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9174 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9175 Define secondary reloads for TFmode moves.
9176 (constant_modes): Add TFmode.
9177 (NR_C_MODES): Set to 8.
9178 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9180 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9181 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9182 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9183 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9184 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9185 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9186 (FPR mode macro): Add TFmode.
9187 (DSF mode macro): New.
9188 (<de>, <dee> mode attributes): Removed.
9189 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9190 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9191 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9192 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9193 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9194 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9195 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9196 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9197 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9198 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9199 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9200 "*negabs<mode>2", "sqrt<mode>2"):
9201 Changed <de> to <xde>. R constraint replaced by <Rf>.
9202 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9204 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9205 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9206 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9208 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9209 "extenddftf2", "extendsftf2"): New expanders.
9210 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9211 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9212 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9213 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9215 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9216 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9217 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9218 __floatditf): Add a GCC_4.1.0 symbol version tag.
9219 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9222 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9225 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9226 Use targetm.binds_local_p instead of TREE_PUBLIC.
9228 2006-02-02 Roger Sayle <roger@eyesopen.com>
9230 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9231 on INTEGER_TYPEs to indicate that it denotes a character type.
9232 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9233 signed_char_type_node, unsigned_char_type_node and char_type_node.
9234 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9235 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9236 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9238 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9239 Daniel Berlin <dberlin@dberlin.org>
9241 * tree-tailcall.c (arg_needs_copy_p): New function.
9242 (eliminate_tail_call): Use arg_needs_copy_p.
9243 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9244 (add_virtual_phis): New function.
9246 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9248 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9249 #ignore instead of #scratch for %g7 .register directive.
9251 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9253 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9256 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9258 * flow.c (calculate_global_regs_live): Assert that there aren't any
9261 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9263 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9265 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9266 bsi_after_labels iterator.
9267 * tree-if-conv.c (find_phi_replacement_condition,
9268 replace_phi_with_cond_modify_expr): Likewise.
9269 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9270 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9272 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9274 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9276 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9279 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9280 array after growing it.
9282 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9285 * fold-const.c (fold_checksum_tree): Change type of buf.
9287 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9289 * reload.c (push_secondary_reload): Initialize t_icode.
9291 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9293 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9294 -msoft-float -mlong-double-128 only issue a warning, but don't
9295 swich to DFmode long double.
9297 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9299 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9300 has a constant equivalent, iterate over equivalents for arg0,
9301 calling simplify_relational_operation and if there's a result
9302 cheaper than X, apply fold_rtx and return the result.
9304 2006-02-01 Jan Hubicka <jh@suse.cz>
9306 * opts.c (no_unit_at_a_time_default): New global variable.
9307 (decode_options): Use it.
9308 * opts.h (no_unit_at_a_time_default): Declare.
9310 2006-02-01 Paul Brook <paul@codesourcery.com>
9312 * function.c (assign_parm_setup_reg): Use function argument promotion
9314 * expr.c (expand_expr_real_1): Use function argument promotion rules
9317 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9319 * gcc.c (process_command): Change j to 'unsigned int'.
9321 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9324 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9325 Use the corrected index for the character
9326 out of the string constant.
9328 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9330 * mode-switching.c (optimize_mode_switching): Fix size
9331 allocated for bb_info[n_entities].
9333 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9335 * gcc.c (main): Correct type that is allocated for
9336 explicit_link_files.
9338 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9340 * config/s390/s390.c (init_alignment_context): Set
9341 ALIAS_SET_MEMORY_BARRIER on the MEM.
9342 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9344 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9347 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9349 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9352 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9354 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9355 * regrename.c: Ditto.
9356 * tree-ssa-loop-im.c: Ditto.
9357 * tree-dump.c: Ditto.
9358 * tree-complex.c: Ditto.
9359 * genrecog.c: Ditto.
9360 * tree-ssa-threadupdate.c: Ditto.
9362 * java/class.c: Ditto.
9363 * java/jcf-parse.c: Ditto.
9364 * java/resource.c: Ditto.
9365 * java/except.c: Ditto.
9366 * java/jvspec.c: Ditto.
9367 * java/jcf-write.c: Ditto.
9368 * java/jcf-path.c: Ditto.
9369 * java/gjavah.c: Ditto.
9370 * java/zextract.c: Ditto.
9371 * java/jcf-io.c: Ditto.
9372 * java/jcf.h: Ditto.
9373 * java/buffer.c: Ditto.
9374 * java/lang.c: Ditto.
9375 * java/parse-scan.y: Ditto.
9376 * java/lex.c: Ditto.
9377 * java/lex.h: Ditto.
9378 * cfgloopmanip.c: Ditto.
9379 * postreload-gcse.c: Ditto.
9380 * tree-ssa-loop-manip.c: Ditto.
9381 * postreload.c: Ditto.
9382 * tree-ssa-loop-ch.c: Ditto.
9386 * diagnostic.c: Ditto.
9388 * genoutput.c: Ditto.
9390 * cfghooks.c: Ditto.
9391 * cfgloopanal.c: Ditto.
9392 * objc/objc-act.c: Ditto.
9394 * genextract.c: Ditto.
9395 * genautomata.c: Ditto.
9396 * pretty-print.c: Ditto.
9398 * cgraphunit.c: Ditto.
9401 * haifa-sched.c: Ditto.
9402 * dominance.c: Ditto.
9404 * tree-ssa-loop-ivopts.c: Ditto.
9406 * mode-switching.c: Ditto.
9407 * modulo-sched.c: Ditto.
9409 * ipa-pure-const.c: Ditto.
9411 * fix-header.c: Ditto.
9413 * tree-stdarg.c: Ditto.
9414 * ipa-utils.c: Ditto.
9415 * loop-init.c: Ditto.
9416 * ipa-inline.c: Ditto.
9419 * alloc-pool.c: Ditto.
9420 * dwarf2out.c: Ditto.
9422 * genattrtab.c: Ditto.
9423 * tree-ssa-loop-ivcanon.c: Ditto.
9427 * fortran/gfortranspec.c: Ditto.
9429 * local-alloc.c: Ditto.
9430 * langhooks.c: Ditto.
9431 * function.c: Ditto.
9432 * tree-vectorizer.c: Ditto.
9434 * ipa-type-escape.c: Ditto.
9436 * tree-if-conv.c: Ditto.
9439 * tree-data-ref.c: Ditto.
9440 * loop-unroll.c: Ditto.
9441 * treelang/treetree.c: Ditto.
9444 * ggc-common.c: Ditto.
9446 * coverage.c: Ditto.
9448 * tree-cfgcleanup.c: Ditto.
9449 * tree-ssa-pre.c: Ditto.
9450 * cfgcleanup.c: Ditto.
9451 * loop-invariant.c: Ditto.
9453 * ipa-prop.c: Ditto.
9454 * print-tree.c: Ditto.
9455 * conflict.c: Ditto.
9456 * ggc-page.c: Ditto.
9457 * sched-deps.c: Ditto.
9458 * regclass.c: Ditto.
9459 * tree-object-size.c: Ditto.
9461 * bb-reorder.c: Ditto.
9462 * resource.c: Ditto.
9463 * var-tracking.c: Ditto.
9465 * df-problems.c: Ditto.
9466 * reg-stack.c: Ditto.
9469 * sched-rgn.c: Ditto.
9470 * tree-ssa-structalias.c: Ditto.
9471 * tree-ssa-reassoc.c: Ditto.
9472 * config/darwin-c.c: Ditto.
9473 * config/darwin.c: Ditto.
9474 * config/arm/arm.c: Ditto.
9476 * collect2.c: Ditto.
9479 2006-01-31 Nicolas Pitre <nico@cam.org>
9481 * arm.md (smaxsi3): Make aware of smax_m1.
9484 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9486 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9488 2006-01-31 Richard Guenther <rguenther@suse.de>
9490 * doc/invoke.texi (-msselibm): Document.
9491 * target.h (expand_library_builtin): New target hook.
9492 * builtins.c (expand_builtin): Use expand_library_builtin.
9493 (default_expand_library_builtin): New function.
9494 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9495 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9496 (link_gcc_math_spec): Declare.
9497 (static_specs): Add link_gcc_math_spec.
9498 * expr.h (default_expand_library_builtin): Declare.
9499 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9500 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9501 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9502 * config/i386/i386.opt (msselibm): New target option.
9503 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9504 (ix86_init_sse_abi_builtins): New function.
9505 (ix86_expand_library_builtin): Likewise.
9506 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9507 (override_options): Handle error conditions wrt -msselibm.
9508 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9509 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9510 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9513 2006-01-31 Richard Guenther <rguenther@suse.de>
9514 Paolo Bonzini <bonzini@gnu.org>
9516 * doc/install.texi (--disable-libgcc-math): Document.
9518 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9520 * expr.h (expand_normal): new inline function.
9521 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9523 * dwarf2out.c: use it.
9528 * config/sparc/sparc.c: use it.
9529 * config/i386/i386.c: use it.
9530 * config/rs6000/rs6000.c: use it.
9531 * config/arm/arm.c: use it.
9532 * config/mips/mips.c: use it.
9533 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9535 2006-01-30 Roger Sayle <roger@eyesopen.com>
9537 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9538 argv to the appropriate type.
9540 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9542 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9545 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9548 * config/s390/s390.c (struct machine_function): New flag
9549 decomposed_literal_pool_addresses_ok_p.
9550 (s390_reorg): Set it before final stage of literal pool transforms.
9551 (s390_decompose_address): Only accept displacements of the form
9552 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9554 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9556 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9557 the comparison routine return.
9559 2006-01-30 Michael Matz <matz@suse.de>
9561 * global.c (find_reg): Only evict for global regs.
9562 Take n_refs into account and dump more info.
9564 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9567 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9568 (pragma_trap, pragma_nosave_low_regs): Likewise.
9569 (current_function_anonymous_args): Likewise.
9570 (sh_deferred_function_attributes): New variable.
9571 (sh_deferred_function_attributes_tail): Likewise.
9572 (print_operand): For '@', look up trap_exit attribute.
9573 (calc_live_regs): Look up trapa_handler attribute. For trapa
9574 handlers, save/restore fpscr, but don't do any other
9575 interrupt-specific saves.
9576 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9577 Fix check for partially saved registers to check for SHmedia.
9578 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9579 (sh_output_function_epilogue): Don't clear any of the removed
9581 (sh_insert_attributes): Don't check pragma_interrupt.
9582 Insert deferred attributes. Check that interrupt attribute is
9583 present for other attributes that require its presence.
9584 (sh_attribute_table): Add new attributes trapa_handler and
9586 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9587 Don't check for pragma_interrupt. Don't store argument.
9588 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9589 (sh_deferred_function_attributes): Declare.
9590 (sh_deferred_function_attributes_tail): Likewise.
9591 * sh.md (sp_switch_1): Add operand. Change generator caller.
9592 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9593 (*return_i): Don't use when trap_exit attribute is in effect.
9594 (*return_trapa): New insn pattern.
9596 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9597 setting c_target_objs and cxx_target_objs.
9598 * t-sh: Add rule for sh-c.o.
9600 2006-01-30 Richard Guenther <rguenther@suse.de>
9603 * gimplify.c (gimplify_target_expr): Handle easy cases
9604 without creating a temporary.
9606 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9608 * vec.h (safe_grow): Remove duplicated line.
9610 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9613 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9614 (expand_omp): ... here.
9615 (expand_omp_parallel): Only remove barriers for combined
9616 parallel+workshare constructs.
9618 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9622 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9623 * tree.c (build_qualified_type): Chain the new type to the original
9624 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9625 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9626 (build_pointer_type_for_mode): Only return unqualified types.
9627 (build_reference_type_for_mode): Likewise.
9629 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9631 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9632 * Makefile.in (CXX_COMPAT_WARN): Define.
9633 * configure: Regenerate.
9635 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9638 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9641 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9643 * toplev.c: Fix thinko.
9645 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9646 Marcin Dalecki <martin@dalecki.de>
9648 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9649 (push_srcloc): Use XNEW.
9650 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9652 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9654 * df-core.c (df_set_blocks): Deleted all variable.
9656 2006-01-28 Ian Lance Taylor <ian@airs.com>
9658 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9659 cgraph_output_pending_asms.
9661 2006-01-28 Zack Weinberg <zackw@panix.com>
9663 * c.opt: Add -W(no-)overlength-strings.
9664 * doc/invoke.texi: Document it.
9665 * c-opts.c (c_common_handle_option): -pedantic implies
9666 -Woverlength-strings, if not explicitly disabled already.
9667 (c_common_post_options): -Woverlength-strings defaults to off, and
9668 is always off for C++.
9669 * c-common.c (fix_string_type): Issue warning about strings longer
9670 than is portable only if warn_overlength_strings. Rearrange code
9671 a little for clarity.
9672 * configure.in: Check for -Wno-overlength-strings as well before
9673 enabling -pedantic in stage 1.
9674 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9675 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9677 * genconditions.c (write_header, write_one_condition)
9678 (write_conditions, write_writer): Consolidate very long strings
9679 that were broken up to fit in C89 portable limit. Don't use
9680 printf when fputs will do.
9682 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9684 * combine.c (simplify_comparison <AND>): Check
9685 TRULY_NOOP_TRUNCATION before start using a subreg.
9687 * config/mips/mips.md (*branch_zero<mode>,
9688 *branch_zero<mode>_inverted, *branch_equality<mode>,
9689 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9690 Remove mode check from comparisons.
9692 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9694 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9696 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9698 * expmed.c (const_mult_add_overflow_p): Remove.
9699 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9701 * recog.c (validate_replace_rtx_subexp): Remove.
9702 * recog.h: Remove the prototype for
9703 validate_replace_rtx_subexp.
9705 * integrate.h: Remove the prototype for
9706 copy_decl_for_inlining.
9707 * rtl.h: Remove the prototype for mark_constant_function.
9708 * tree-vectorizer.h: Remove the prototype for
9709 vect_strip_conversion.
9711 * modulo-sched.c (create_partial_schedule,
9712 free_partial_schedule, reset_partial_schedule): Make them
9715 * hooks.c (hook_bool_rtx_int_false): Remove.
9716 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9718 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9720 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9721 and -mlong-double-128 are incompatible.
9722 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9723 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9724 (TARGET_LIBGCC2_CFLAGS): Define.
9725 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9726 (TARGET_LIBGCC2_CFLAGS): Same.
9727 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9729 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9732 * c-typeck.c (build_binary_op): Perform implicit casts of
9733 operands before shortening them.
9735 * cfgloopmanip.c (split_loop_bb): Remove.
9736 * cfgloop.h: Remove the prototype for split_loop_bb.
9738 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9739 * cfgloop.h: Remove the prototype for
9740 flow_loop_outside_edge_p.
9742 * emit-rtl.c (init_virtual_regs): Make it static.
9743 * function.h: Remove the prototype for init_virtual_regs.
9745 * recog.c (peephole2_optimize): Make it static.
9746 * recog.h: Remove the prototype for peephole2_optimize.
9748 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9750 * df-scan.c (df_record_entry_block_defs): Check if
9751 INCOMING_RETURN_ADDR_RTX is defined.
9753 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9754 Kenneth Zadeck <zadeck@naturalbridge.com>
9756 PR rtl-optimization/24762
9757 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9758 * targhooks.c (hook_void_bitmap): New hook prototype.
9759 * targhoohs.h (hook_void_bitmap): Ditto.
9760 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9761 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9762 * target.h (live_on_entry): New function pointer.
9763 * df-scan.c (df_all_hard_regs): Removed.
9764 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9765 (df_scan_free_internal): Added df->entry_block_defs.
9766 (df_scan_alloc): Ditto.
9767 (df_scan_dump): Ditto.
9768 (df_uses_record): Plumbed flag field properly thru calls.
9769 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9770 This part fixes PR24762.
9771 (df_bb_refs_record): Added code to make the frame and arg
9772 pointers live in EH blocks.
9773 (df_refs_record): Added call to df_record_entry_block_defs.
9774 (df_record_entry_block_defs): New function.
9775 * df-core.c: Added comments to describe new artifical defs.
9776 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9777 (entry_block_defs): New field in struct df.
9778 (df_all_hard_regs): Deleted.
9779 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9780 * df-problems.c (df_ru_bb_local_compute_process_def):
9781 Added code to handle artifical defs in the entry to a function.
9782 (df_ru_bb_local_compute): Ditto.
9783 (df_rd_bb_local_compute_process_def): Ditto.
9784 (df_rd_bb_local_compute): Ditto.
9785 (df_lr_bb_local_compute): Ditto.
9786 (df_ur_bb_local_compute): Ditto.
9787 (df_urec_bb_local_compute): Ditto.
9788 (df_chain_create_bb): Ditto.
9789 (df_ur_local_finalize): Removed entry.
9790 (df_urec_init): Ditto.
9791 (df_urec_local_finalize): Ditto.
9792 (df_ri_bb_compute): Added detection of last use of pseudos.
9793 * Makefile.in (df-scan.o): Updated dependencies.
9794 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9795 * config/mips/mips.c (mips_set_live_on_entry): Added.
9796 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9798 * dce.c (marked_insn_p): Added code to handle artifical defs.
9800 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9802 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9804 (_mm_cvtsi128_si64): Likewise.
9805 (_mm_cvtsd_si64): Likewise.
9806 (_mm_cvttsd_si64): Likewise.
9807 (_mm_cvtsi64_sd): Likewise.
9808 (_mm_cvtsi64_si128): Likewise.
9809 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9810 (_mm_cvtsi64_m64): Likewise.
9811 (_m_to_int64): Likewise.
9812 (_mm_cvtm64_si64): Likewise.
9813 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9814 (_mm_cvttss_si64): Likewise.
9815 (_mm_cvtsi64_ss): Likewise.
9816 (_mm_cvtss_f32): Likewise.
9818 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9820 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9821 for pragma redefine_extname.
9823 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9826 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9827 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9828 -mno-minimal-toc to previous content.
9829 (bispecs): Remove goal.
9830 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9831 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9832 compatibility aliases on powerpc-*-*gnu*.
9833 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9834 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9835 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9836 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9837 (ldblspecs): New goal.
9838 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9839 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9841 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9842 L_sf_to_tf or L_df_to_tf is defined.
9844 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9845 Alan Modra <amodra@bigpond.net.au>
9848 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9849 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9850 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9851 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9852 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9853 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9854 (rs6000_override_options): Initialize rs6000_ieeequad.
9855 Initialize TFmode format to ibm_extended_format if not
9857 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9859 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9860 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9861 (function_arg_advance): IBM long double passed in two FPRs, not
9863 (function_arg): IBM long double passed in FPRs.
9864 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9865 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9866 Only multireg GPR aligned.
9867 (rs6000_init_libfuncs): Enable IBM long double functions if not
9869 (rs6000_generate_compare): Use IBM long double compare if not
9871 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9872 (TARGET_IEEEQUAD): Define.
9873 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9874 not TARGET_IEEEQUAD.
9875 * config/rs6000/rs6000.md: Enable TFmode patterns if
9877 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9878 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9879 and -mlong-double-128 are incompatible.
9880 * doc/invoke.texi (-mabi): Collect options together. Add
9881 ibmlongdouble and ieeelongdouble.
9883 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9885 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9887 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9888 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9889 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9890 * rtl.h (rtunion_def): Remove rt_ptr.
9892 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9893 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9894 * config/i386/winnt.c (i386_pe_mark_dllexport)
9895 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9897 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9899 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9901 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9905 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9906 pthread_key_delete. From John David Anglin. gthrw-ify
9907 pthread_getunique_np only if it it's not a macro. Delete
9909 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9910 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9911 __gthread_objc_condition_signal, __gthread_key_delete): Add
9912 "__attribute__ ((__unused__))" to unused arguments.
9913 (__gthread_recursive_mutex_init_function): Add missing return.
9914 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9915 gthr-posix95.h: Use macro-based approach for name redirection
9916 on targets missing weakref.
9918 2006-01-26 Zack Weinberg <zackw@panix.com>
9920 * genconditions.c (write_header): In generated code, #ifdef out
9921 all includes and fake declarations, except includes of bconfig.h
9922 and system.h, unless GCC_VERSION >= 3001. Do not include
9923 gensupport.h in any case.
9924 (write_conditions): Generate a definition of struct c_test. Add
9925 a comment to the generated #endif.
9926 (write_one_condition): Escape backslashes in string too.
9927 (write_writer): Generated code must escape backslashes and quote
9928 marks (but not newlines) in the strings it writes.
9929 * Makefile.in (build/gencondmd.o): Update dependencies.
9931 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9934 * Makefile.in (insn-automata.o): Add header file dependencies.
9935 * genautomata.c: Add includes.
9937 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9940 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9942 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9944 * configure.ac: Expect target tools paths to be passed from the toplevel
9945 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9947 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9949 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9952 * c.opt (Wpointer-sign): Init to -1.
9953 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9954 OPT_pedantic, to 0 otherwise.
9955 * doc/invoke.texi: Update.
9957 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9959 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9960 constants provided by 80387 instructions in the destination mode.
9962 2006-01-26 Richard Guenther <rguenther@suse.de>
9963 Andrew Pinski <pinskia@physics.uc.edu>
9966 partial PR tree-opt/17064
9967 * tree-ssa-structalias.c (intra_create_variable_infos):
9968 Create heap variables for incoming parameters if
9969 flag_argument_noalias > 1.
9970 (find_what_p_points_to): Look through default defs of
9973 2006-01-26 Jeff Law <law@redhat.com>
9976 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9977 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9978 within the VR_RANGE, use the VR_RANGE as the result, not the
9980 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9981 bounds for the type.
9983 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9985 * tree-ssa-alias.c (maybe_create_global_var): Change
9986 subvar walking to an assertion that we don't have subvar'd variables.
9988 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9991 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9992 Use a new variable, inner. PARM_DECLs are always non-weak.
9994 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9996 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9999 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10001 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10003 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10005 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10006 (smax_insn, smin_insn, smax_0, smin_0): New.
10008 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10011 * config/cris/cris.c (cris_order_for_addsi3): New function.
10012 * config/cris/cris-protos.h: Prototype it.
10013 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10014 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10015 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10016 (split for "op.S1 [rx=rx+i],ry (swapped)")
10017 (split for "op(s|u).S1 [rx=rx+i],ry")
10018 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10019 Apply cris_order_for_addsi3 when generating addsi3 insns.
10021 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10023 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10024 (TREE_BLOCK): Add call to EXPR_CHECK.
10026 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10029 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10030 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10031 (dump_omp_clauses): ... here.
10032 (dump_generic_node): Handle OMP_CLAUSE.
10033 * tree.c (omp_clause_num_ops): New.
10034 (omp_clause_code_name): New.
10035 (tree_code_size): Handle OMP_CLAUSE.
10036 (tree_size): Likewise.
10037 (make_node): Document handling of OMP_CLAUSE.
10038 (tree_node_structure): Handle OMP_CLAUSE.
10039 (omp_clause_check_failed): New.
10040 (omp_clause_range_check_failed): New.
10041 (omp_clause_operand_check_failed): New.
10042 (build_omp_clause): New.
10043 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10044 * tree.h (enum omp_clause_code): Declare.
10045 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10046 (OMP_CLAUSE_RANGE_CHECK): Define.
10047 (OMP_CLAUSE_ELT_CHECK): Define.
10048 (omp_clause_check_failed): Declare.
10049 (omp_clause_operand_check_failed): Declare.
10050 (omp_clause_range_check_failed): Declare.
10051 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10052 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10053 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10054 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10055 (OMP_CLAUSE_IF_EXPR): Likewise.
10056 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10057 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10058 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10059 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10060 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10061 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10062 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10063 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10064 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10065 (OMP_CLAUSE_CODE): Define.
10066 (OMP_CLAUSE_SET_CODE): Define.
10067 (OMP_CLAUSE_CODE): Define.
10068 (OMP_CLAUSE_OPERAND): Define.
10069 (struct tree_omp_clause): Declare.
10070 (union tree_node): Add field 'omp_clause'.
10071 * treestruct.def (TS_OMP_CLAUSE): Define.
10072 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10073 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10074 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10075 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10076 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10077 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10078 (OMP_CLAUSE): Define.
10079 * print-tree.c (print_node): Handle OMP_CLAUSE.
10080 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10081 * c-typeck.c: Likewise.
10082 * gimplify.c: Likewise.
10083 * c-omp.c: Likewise.
10084 * tree-nested.c: Likewise.
10085 * tree-inline.c: Likewise.
10086 * c-parser.c: Likewise.
10087 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10090 2006-01-25 Roger Sayle <roger@eyesopen.com>
10092 PR rtl-optimization/25703
10093 * combine.c (try_combine): Handle zero_extract and strict_low_part
10094 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10096 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10098 * global.c: Fix comment typos.
10100 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10103 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10104 Use output_addr_const instead of assemble_name.
10106 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10108 * Makefile.in (sched-vis.o): Update dependencies.
10109 * haifa-sched.c (sched_finish): Clear current_sched_info.
10110 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10111 (dump_flow_info): Call it.
10112 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10114 * basic-block.h (dump_bb_info): Declare.
10115 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10116 option, and apply options only for dump files whose TDF_RTL,
10117 TDF_TREE, or TDF_IPA bits match.
10118 * rtl.h: Declare new functions exported from sched-vis.c.
10119 * sched-vis.c: Enable also if scheduling is not used.
10120 (print_value): Print the mode of registers if not inside scheduling.
10121 (print_insn): Make it work outside the scheduler. Beautify the output
10123 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10125 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10127 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10128 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10129 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10130 depending on the value of CONSTANT_POOL_ADDRESS_P.
10131 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10133 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10134 rather than SYMBOL_REF_DECL.
10135 (rtx_constant_pool): Remove const_rtx_sym_htab.
10136 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10137 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10138 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10139 Remove handling of const_rtx_sym_htab.
10140 (find_pool_constant): Delete.
10141 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10142 rather than find_pool_constant.
10143 (get_pool_constant_for_function): Delete.
10144 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10145 find_pool_constant.
10146 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10147 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10148 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10149 (SYMBOL_REF_CONSTANT): New macro.
10150 (get_pool_constant_for_function): Delete.
10151 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10152 rather than SYMBOL_REF_DECL.
10153 (i386_pe_mark_dllimport): Likewise.
10154 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10155 rather than SYMBOL_REF_DECL.
10156 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10157 (machopic_indirect_call_target): Likewise.
10159 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10161 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10163 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10165 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10167 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10169 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10171 2006-01-24 David Daney <ddaney@avtrex.com>
10174 * configure.ac (enable_tls): New enable option.
10175 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10176 * configure: Regenerate.
10177 * doc/install.texi (--enable-tls): Document new option.
10178 (--disable-tls): Ditto.
10180 2006-01-24 Richard Henderson <rth@redehat.com>
10182 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10183 * alias.c (true_dependence): Respect it.
10184 (canon_true_dependence, write_dependence_p): Likewise.
10185 * builtins.c (get_builtin_sync_mem): Set it.
10187 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10189 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10192 2006-01-24 DJ Delorie <dj@redhat.com>
10194 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10195 for storing constants in single-bit bitfields.
10197 2006-01-25 Ben Elliston <bje@au.ibm.com>
10199 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10201 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10204 * tree-ssa-pre.c (phi_translate): Return NULL
10205 for AGGREGATE_TYPE's.
10207 2006-01-24 Zack Weinberg <zackw@panix.com>
10209 * genautomata.c (process_state_for_insn_equiv_partition):
10210 Use xcalloc for insn_arcs_array.
10211 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10212 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10214 2006-01-24 Richard Henderson <rth@redhat.com>
10216 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10217 update all callers.
10219 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10221 PR rtl-optimization/25890
10222 PR rtl-optimization/25905
10223 * combine.c (expand_compound_operation, expand_field_assignment):
10224 Fail if the bitfield's final position is out of bounds.
10226 2006-01-24 Ian Lance Taylor <ian@airs.com>
10228 PR middle-end/25930
10229 * cgraphunit.c (cgraph_output_in_order): Don't clear
10230 cgraph_asm_nodes until after asm strings have been output.
10232 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10234 * fix-header.c (read_scan_file): Add new parameter imultilib when
10235 calling register_include_chains.
10237 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10239 * omp-low.c: Update documentation.
10241 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10242 Daniel Berlin <dberlin@dberlin.org>
10246 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10247 return from the function.
10249 2006-01-22 Zack Weinberg <zackw@panix.com>
10251 * rtl.def (match_code): Add second argument.
10252 * genpreds.c (write_extract_subexp): New function.
10253 (write_match_code): Add path argument. Use write_extract_subexp.
10254 (write_predicate_expr): Pass path to write_match_code.
10255 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10256 not perform a mode test.
10257 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10258 a subexpression does not constrain the top-level code set.
10259 * read-rtl.c (read_rtx_variadic): New function.
10260 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10261 * doc/md.texi: Document new notation.
10262 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10263 (cmpsi_operand): ... here, using new notation.
10265 2006-01-22 Zack Weinberg <zackw@panix.com>
10267 * varray.c: Remove GENERATOR_FILE #ifdefs.
10269 2006-01-22 Zack Weinberg <zackw@panix.com>
10271 * genautomata.c (output_reserved_units_table): Emit nothing if
10272 description->query_units_num is zero. Remove extra blank line.
10273 (output_cpu_unit_reservation_p): Short circuit
10274 if description->query_units_num is zero.
10276 2006-01-22 Zack Weinberg <zackw@panix.com>
10278 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10279 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10280 nor any of the random handful of variables that used to be necessary
10281 when this program was linked with rtlanal.o. Prune set of forward
10282 function declarations.
10283 (struct attr_desc): Remove static_p field.
10284 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10285 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10286 (attr_string): Do not read the character one past the length of
10288 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10289 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10290 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10291 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10292 (make_automaton_attrs): New.
10293 (main): Do not call into genautomata. Call local gen_bypass
10294 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10295 Remove special case for insn_alts.
10296 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10297 varray.h (leftover from previous change). Prune set of forward
10298 function declarations. Remove state_alts fields from all
10299 structures. Remove state_alts_table from struct automaton.
10300 Make everything except main static. Do not maintain num_dfa_decls.
10301 Do not maintain state_alts fields of various structures.
10302 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10303 (add_arc): Remove state_alts argument. All callers updated.
10304 (output_reserved_units_table): Emit #ifdef here...
10305 (output_tables): ...not here. Don't generate state_alts tables.
10306 (expand_automata): Don't generate attributes.
10307 (write_automata): Don't generate state_alts functions.
10308 (main): New function.
10309 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10310 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10311 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10312 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10313 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10314 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10315 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10316 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10318 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10319 * genattrtab.h: Delete file.
10320 * Makefile.in (OBJS-common): Add insn-automata.o.
10321 (insn-automata.o): New rule.
10322 (simple_generated_c): Add insn-automata.c.
10323 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10324 (genprogmd): Add automata.
10325 (build/genattrtab): Needs no extra objects nor libraries.
10326 (build/genautomata): Needs build/vec.o and -lm.
10328 2006-01-22 Zack Weinberg <zackw@panix.com>
10330 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10331 (output_dfa_max_issue_rate, locked_states_num): Delete.
10332 (struct automaton): Add locked_states field.
10333 (output_dead_lock_vect): Save number of locked states in
10334 automaton->locked_states. If it is zero, don't print anything.
10335 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10336 (output_internal_dead_lock_func): Only test the dead_lock_vect
10337 for automata that have locked states.
10338 (output_statistics): Always print the number of locked states for
10339 each automaton. Calculate total number of locked states here.
10340 (write_automata): Don't call output_dfa_max_issue_rate.
10341 * genattrtab.c: Define length_unit_log as a const variable.
10342 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10343 max_insn_queue_index const.
10344 * final.c (length_unit_log): Declare const.
10345 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10347 2006-01-22 Zack Weinberg <zackw@panix.com>
10349 * genautomata.c: Include vec.h, not varray.h.
10350 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10351 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10352 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10353 VEC_* macros operating on appropriately typed vectors, or to
10354 malloced arrays when the size is known in advance. Const-ify
10355 many char* variables and function arguments. No functional changes.
10356 * Makefile.in (build/varray.o): Delete rule.
10357 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10358 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10360 2006-01-22 Zack Weinberg <zackw@panix.com>
10362 * gensupport.c: Define get_insn_name and record_insn_name here.
10363 (read_md_rtx): Call record_insn_name as appropriate.
10364 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10365 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10366 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10368 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10369 (BUILD_VARRAY): Delete.
10370 (genprognormal): Rename genprogmd. Fold in all programs from
10371 genprognoprint; also attrtab.
10372 (build/genattrtab): Just mention genautomata.o and varray.o.
10373 Reorganize a bit, add comments to make the categories clearer.
10375 2006-01-22 Zack Weinberg <zackw@panix.com>
10377 * genconditions.c (condition_table, add_condition): Delete.
10378 (write_conditions): Don't emit n_insn_conditions nor
10379 insn_elision_unavailable. Issue the gcc version #ifdef here,
10380 inside the table, with no #else clause ...
10381 (write_header): ...not here.
10382 (write_writer): New function.
10383 (main): Don't initialize condition_table. Use add_c_test.
10385 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10386 files on the command line.
10387 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10388 Return -1 if there is no entry in the table, don't abort.
10389 (add_c_test, traverse_c_tests): New functions.
10390 * gensupport.h (insn_elision_unavailable, insn_conditions)
10391 (n_insn_conditions): Delete declarations.
10392 (add_c_test, traverse_c_tests): Declare.
10393 * read-rtl.c: Include gensupport.h.
10394 (read_conditions): New function.
10395 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10396 (read_rtx_1): If we get EOF when we were looking for an initial
10397 open paren, return 0. Call read_conditions when appropriate.
10398 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10399 dummy-conditions.o. Eliminate references to insn-conditions.o,
10400 or change them to build/gencondmd.o, as appropriate. Remove
10401 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10402 from $(simple_generated_c). For all files remaining in those
10403 two lists, add insn-conditions.md to the generator command line.
10404 Give insn-constants.h/s-constants their own rules. Add rules
10405 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10406 (build/read-rtl.o): Depend on gensupport.h.
10407 (genprognormal): Include preds.
10408 (genprogearly): Rename genprognoprint; only difference is now that
10409 they don't link with $(BUILD_PRINT).
10410 * dummy-conditions.c: Delete.
10412 2006-01-22 Zack Weinberg <zackw@panix.com>
10414 * genextract.c: Don't include insn-config.h. Do include vec.h.
10415 Declare vectors of int, char, and locstr.
10416 (locstr): New typedef.
10417 (struct extraction): Make all array fields into bare pointers.
10418 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10419 (insn_code_number): Delete.
10420 (accum_extract): New struct.
10421 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10422 (gen_insn): Take insn_code_number as an argument. Use an
10423 accum_extract structure instead of loading data directly into
10424 a struct extraction, and having to know how big it might get.
10425 (walk_rtx): Operate entirely on an accum_extract structure.
10426 (print_path): Avoid unnecessary use of printf.
10427 (print_header): New function, split out of main. Distinguish
10428 more carefully between an unrecognizable insn and an insn that
10429 has the code number of a define_expand.
10430 (main): Pass insn_code_number to gen_insn. Call print_header
10431 only after parsing. Avoid unnecessary use of printf.
10432 * Makefile.in (build/vec.o): New rule.
10433 (build/genextract): Depend on build/vec.o.
10434 (build/genextract.o): Don't depend on insn-config.h.
10436 2006-01-22 Zack Weinberg <zackw@panix.com>
10438 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10439 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10440 practical. Eliminate per-generator-program link rules.
10442 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10444 PR middle-end/24437
10445 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10446 with a call expr to ...
10447 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10449 2006-01-23 Richard Guenther <rguenther@suse.de>
10451 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10452 before make_edge with conditional EDGE_TRUE_VALUE.
10454 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10455 Jan Hubicka <jh@suse.cz>
10456 Richard Guenther <rguenther@suse.de>
10458 PR rtl-optimization/25654
10459 * cfgexpand.c (aggregate_contains_union_type): New function.
10460 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10461 for structure variables that contain a union type.
10463 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10465 * gengtype.c (new_structure): Return the structure.
10466 (create_option): Add an extra "next" argument.
10467 (create_field): New function.
10468 (adjust_field_rtx_def): Use create_option and create_field.
10469 Remove a now-unnecessary call to find_structure.
10470 (adjust_field_tree_def): Likewise.
10471 (note_yacc_type): Remove an unnecessary call to find_structure.
10472 * gengtype.h (new_structure): Return the structure.
10473 (create_option): Add an extra argument.
10474 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10475 (option): Adjust calls to create_option.
10477 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10479 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10481 2006-01-22 Paul Brook <paul@codesourcery.com>
10482 Peter Barada <peter@the-baradas.com>
10484 * config/m68k/m68k.md: Add Coldfire FPU support.
10485 Define FP mode macro and associated attributes.
10486 Use it for float mode patterns.
10487 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10488 (LIBCALL_VALUE): Use m68k_libcall_value.
10489 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10490 (m68k_function_value): Ditto.
10491 (emit_move_sequence): Ditto.
10492 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10493 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10494 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10495 (MULTILIB_EXCEPTIONS): Ditto.
10496 * config/m68k/m68k.opt: Add mcfv4e.
10497 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10498 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10499 (m68k_output_function_prologue): Save ColdFire FPU registers.
10500 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10501 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10502 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10503 ColdFire FPU registers.
10504 (m68k_libcall_value, m68k_function_value): New functions.
10505 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10506 (LIBCALL_VALUE): Use m68k_libcall_value.
10507 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10508 (MASK_COLDFIRE): Add MASK_CFV4E.
10509 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10510 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10511 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10512 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10513 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10514 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10515 * doc/invoke.tex: Document -mcfv4e on m68k.
10517 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10519 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10522 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10525 * c-opts.c (c_common_handle_option): Don't include
10526 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10527 * doc/invoke.texi (C++ Dialect Options): Document that
10528 -Wnon-virtual-dtor is no longer included in -Wall.
10530 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10532 * gcov.c (print_version), gcov-dump.c (print_version),
10533 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10536 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10538 * df-scan.c (problem_SCAN): Added NULL reset function.
10539 (df_scan_reset_blocks): Added code to call reset block function
10540 (df_bb_refs_delete) Fixed comment.
10541 (df_insn_refs_delete): Made tolerant of deleting non existent info
10542 for dataflow problems that need to be reset.
10543 * df-core.c (df_set_blocks): Ditto.
10544 * df.h (struct df_problem): Added reset_fun.
10545 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10546 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10547 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10548 functions to clear out all references to def-use or use-def chains.
10550 2006-01-21 Ben Elliston <bje@au.ibm.com>
10552 * varasm.c (assemble_real): Initialise data array.
10554 2006-01-20 Paul Brook <paul@codesourcery.com>
10556 Merge from csl-arm-branch.
10557 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10558 * config/arm/arm.md (movdi): Force operands[1] to a register
10559 if we have a non-register source.
10560 (*arm_movdi, *movdf_soft_insn): Require that one of the
10561 operands be a register.
10562 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10563 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10565 2006-01-20 DJ Delorie <dj@redhat.com>
10567 * varasm.c (initializer_constant_valid_p): Allow pointers
10568 initialized from integer constants of lesser precision.
10569 (output_constant): Allow non-int-sized pointer modes to be
10570 initialized from integer constants.
10572 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10575 * cppdefault.h (struct default_include): Add multilib flag.
10576 * cppdefault.c (cpp_include_defaults): Set it.
10577 * c.opt (-imultilib): New option.
10578 * c-opts.c (imultilib): New.
10579 (c_common_handle_option): Handle -imultilib.
10580 (c_common_post_options): Likewise.
10581 * c-incpath.c (add_standard_paths, register_include_chains):
10583 * c-incpath.h (register_include_chains): Add extra parameter.
10584 * gcc.c (do_spec_1): Generate -imultilib option.
10585 (The Specs Language): Update %I description.
10586 (process_command): Update copyright notice.
10587 * doc/cppopts.texi (-imultilib): Document.
10588 * doc/invoke.texi (-imultilib): Include in option summary.
10589 (%I): Update specs documentation.
10591 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10593 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10595 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10597 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10600 2006-01-20 Richard Guenther <rguenther@suse.de>
10601 Steven Bosscher <stevenb.gcc@gmail.com>
10603 PR rtl-optimization/24626
10604 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10605 EDGE_TRUE_VALUE if in RTL mode.
10608 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10609 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10611 2006-01-20 Dirk Mueller <dmueller@suse.com>
10614 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10615 instead of a special NOP marker.
10616 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10617 NOP marker handling.
10618 * c-common.h (empty_body_warning): Add forward declaration.
10619 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10620 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10622 2006-01-20 Paul Brook <paul@codesourcery.com>
10624 * Makefile.in (lang_checks): Keep going if mkdir fails.
10626 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10628 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10629 be able to clean out basic block when not necessary.
10630 (df_scan_free): Fixed to properly delete information if df is
10631 unused before calling df_finish.
10632 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10633 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10635 (df_bb_refs_delete): New function.
10636 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10637 * df-core.c (df_set_blocks): Added code to properly clean out
10638 unused blocks if they are not part of the blocks to consider.
10639 Added additional null check.
10640 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10641 be able to clean out basic block when not necessary
10642 * df.h (df_free_bb_function): Ditto.
10643 (df_bb_refs_delete): New function.
10644 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10645 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10646 basic block parameter to be able to clean out basic block when not
10648 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10649 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10650 Fixed to properly delete information if df is unused before
10653 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10655 PR rtl-optimization/25799
10656 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10657 Corrected confluence operator to remove bits from op2 before oring
10658 with op1 rather than removing bits from op1.
10659 (df_ru_transfer_function): Corrected test on wrong bitmap which
10660 caused infinite loop. Both of these problems were introduced in
10661 the dataflow rewrite.
10663 2006-01-19 DJ Delorie <dj@redhat.com>
10665 * reload1.c (find_reload_regs): Note the details of reload
10666 failures in the dump file.
10667 (spill_failure): Likewise.
10669 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10671 * loop-iv.c: Include df.h and hashtab.h.
10672 (enum iv_grd_result): New enum.
10673 (DF_REF_IV, DF_REF_IV_SET): New macros.
10674 (struct biv_entry): New.
10675 (df, bivs): New global variables.
10676 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10677 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10679 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10680 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10681 analyzed_for_bivness_p, record_biv): New functions.
10682 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10683 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10684 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10686 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10688 (iv_number_of_iterations): Use new interface to iv analysis.
10689 * loop-unroll.c: Do not include varray.h.
10690 (analyze_iv_to_split_insn): Use new interface to iv
10692 * loop-unswitch.c (may_unswitch_on): Ditto.
10693 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10695 (df_bb_modify): Realloc tables to the new index.
10696 (df_find_use): New function.
10697 * df.h (df_find_use): Declare.
10698 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10700 * cfgloop.h (struct rtx_iv): Remove analysed field.
10701 (iv_get_reaching_def): Removed.
10702 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10703 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10704 (loop-iv.o): Add df.h and hashtab.h dependency.
10705 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10707 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10710 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10712 (__floatundisf, __floatundidf): Likewise.
10713 * libgcc2.h (IS_IBM_EXTENDED): Define.
10715 2006-01-19 DJ Delorie <dj@redhat.com>
10717 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10719 2006-01-19 Paul Brook <paul@codesourcery.com>
10721 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10722 as nothrow when unwinding tables are disabled.
10724 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10727 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10728 of bit-field" when in system header.
10730 2006-01-19 DJ Delorie <dj@redhat.com>
10732 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10733 the 16 bit shift limit of the m16c.
10735 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10738 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10739 * config/i386/i386.c (output_set_got): Output the label if we have one
10740 for the TARGET_DEEP_BRANCH_PREDICTION case.
10742 2006-01-19 Jan Hubicka <jh@suse.cz>
10743 H.J. Lu <hongjiu.lu@intel.com>
10744 Evandro Menezes <evandro.menezes@amd.com>
10746 * invoke.texi (generic): Document
10748 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10749 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10750 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10751 (x86_use_incdec, x86_pad_returns): New variables
10752 (TARGET_CPU_DEFAULT_generic): New constant
10753 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10754 (enum processor_type): Add generic32 and generic64.
10755 * i386.md (cpu attribute): Add generic32/generic64
10756 (movhi splitter): Behave sanely when both partial_reg_dependency and
10757 partial_reg_stall are set.
10758 (K8 splitters): Enable for generic as well.
10759 * predicates.md (incdec_operand): Use TARGET_INCDEC
10760 (aligned_operand): Avoid memory mismatch stalls.
10761 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10762 * ppro.md: Enable for generic32
10763 * i386.c (generic64_cost, generic32_cost): New.
10764 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10765 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10766 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10767 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10768 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10769 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10770 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10771 x86_accumulate_outgoing_args, x86_prologue_using_move,
10772 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10773 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10774 Enable for generic.
10775 (x86_use_incdec, x86_pad_returns): New.
10776 (override_options): Add generic32 and generic64, translate "generic"
10777 to generic32/generic64 and "i686" to "generic32", refuse
10778 "generic32"/"generic64" as arch target.
10779 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10780 (ix86_reorg): Honor PAD_RETURNS.
10782 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10784 * tree-pretty-print.c (dump_generic_node): Handle
10785 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10786 * cgraph.c (cgraph_expand_queue): Rename from
10787 cgraph_analyze_queue. Update all users.
10788 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10789 cgraph_expand_queue.
10790 (cgraph_expand_all_functions): Likewise.
10791 (cgraph_finalize_pending_functions): Remove. Update callers.
10793 * tree.h (OMP_DIRECTIVE_P): Define.
10794 (OMP_PARALLEL_FN): Define.
10795 (OMP_PARALLEL_DATA_ARG): Define.
10796 (OMP_SECTIONS_SECTIONS): Define.
10797 * tree-pass.h (pass_expand_omp): Declare.
10798 * omp-low.c (struct omp_region): Declare.
10799 (struct omp_context): Remove fields 'parallel_type',
10800 'parallel_start_ix' and 'parallel_start_additional_args'.
10802 (struct omp_for_data): Rename from struct expand_omp_for_data.
10803 (omp_regions): New static variable.
10804 (root_omp_region): New static variable.
10805 (find_omp_clause): Make static.
10806 (is_in_combined_parallel_ctx): Remove.
10807 (is_combined_parallel): New.
10808 (extract_omp_for_data): Move earlier in the file.
10809 (workshare_safe_to_combine_p): New.
10810 (get_ws_args_for): New.
10811 (determine_parallel_type): Move earlier in the file.
10812 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10814 (omp_copy_decl): Likewise.
10815 (create_omp_child_function): Likewise.
10816 (lookup_omp_region): New.
10817 (dump_omp_region): New.
10818 (debug_omp_region): New.
10819 (debug_all_omp_regions): New.
10820 (new_omp_region): New.
10821 (scan_omp_parallel): If parallel_nesting_level > 1, the
10822 directive is nested within another parallel directive.
10823 Set OMP_PARALLEL_FN.
10824 (scan_omp_for): Do not try to handle combined parallel+for
10826 Remove FIXME comment.
10827 (scan_omp_nested): Remove.
10828 (scan_omp_1): Do not call scan_omp_nested when
10829 parallel_nesting_level is > 1.
10830 Do not change the DECL_CONTEXT of local variables found.
10831 (lookup_decl_in_outer_ctx): New.
10832 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10833 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10834 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10835 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10836 If CTX is nested, lookup VAR in the outer context when
10837 building copy assignment.
10838 (lower_send_clauses): Rename from expand_send_clauses.
10839 If CTX is nested, lookup VAR in the outer context when
10840 building copy assignments.
10841 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10842 If CTX is nested, lookup VAR in the outer context when
10843 building copy assignments.
10844 (expand_parallel_call): Rename from build_parallel_call.
10845 Handle combined parallel+workshare cases.
10846 Re-implement to emit code into the CFG.
10848 (expand_omp_parallel): Re-implement to emit code into the CFG.
10849 Call move_sese_region_to_fn to outline the sub-graph
10850 containing the parallel region.
10851 (expand_omp_for_1): Remove.
10852 (expand_omp_for_generic): Re-implement to emit code into the
10854 (expand_omp_for_static_nochunk): Likewise.
10855 (expand_omp_for_static_chunk): Likewise.
10856 (expand_omp_for): Likewise.
10857 (expand_omp_sections): Likewise.
10858 (remove_exit_barriers): New.
10859 (expand_omp_synch): New.
10861 (build_omp_regions_1): New.
10862 (build_omp_regions): New.
10863 (execute_expand_omp): New.
10864 (gate_expand_omp): New.
10865 (pass_expand_omp): Define.
10866 (lower_omp_sections): Rename from expand_omp_sections.
10867 Set OMP_SECTIONS_SECTIONS.
10868 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10869 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10870 (lower_omp_single): Rename from expand_omp_simple.
10871 (lower_omp_master): Rename from expand_omp_master.
10872 (lower_omp_ordered): Rename from expand_omp_ordered.
10873 (lower_omp_critical): Rename from expand_omp_critical.
10874 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10875 (lower_omp_for): Re-implement.
10876 (lower_omp_parallel): Re-implement.
10877 (lower_regimplify): Rename from expand_regimplify.
10878 (lower_omp_1): Rename from expand_omp_1.
10879 If there are syntax errors in the program, replace every
10880 OpenMP directive with NOP.
10881 Call lower_omp_* instead of expand_omp_*.
10882 (lower_omp): Rename from expand_omp.
10884 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10885 * tree-gimple.h (enum omp_parallel_type): Remove.
10886 (gimple_boolify): Declare extern.
10887 (find_omp_clause, determine_parallel_type): Remove.
10889 * gimple-low.c (lower_omp_directive): New.
10890 (lower_stmt): Call it.
10891 (record_vars_into): Move from ...
10892 (record_vars): ... here.
10893 Call record_vars_into with current_function_decl.
10895 * gimplify.c (struct gimplify_ctx): Remove fields
10896 combined_pre_p and combined_ctxp. Update users.
10897 (get_formal_tmp_var): Add documentation.
10898 (gimple_boolify): Make extern.
10899 (gimplify_expr_in_ctx): Remove. Update callers.
10900 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10901 will always be a BIND_EXPR.
10902 (gimplify_expr): Handle OMP_RETURN_EXPR.
10903 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10904 (OMP_PARALLEL): Add 3 operands.
10905 (OMP_SECTIONS): Add 1 operand.
10906 (OMP_RETURN_EXPR): Define.
10908 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10909 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10910 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10911 creating a circular free list.
10912 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10914 * tree-flow.h (move_sese_region_to_fn): Declare.
10915 (record_vars_into): Declare.
10916 * tree-cfg.c (make_omp_sections_edges): New.
10917 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10918 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10919 OMP_SECTIONS and OMP_SECTION.
10920 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10921 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10922 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10923 (gather_blocks_in_sese_region): New.
10924 (struct move_stmt_d): Declare.
10925 (move_stmt_r): New.
10926 (move_block_to_fn): New.
10927 (move_sese_region_to_fn): New.
10929 * passes.c (init_optimization_passes): Schedule
10930 pass_expand_omp after pass_init_datastructures.
10932 * tree-ssa-operands.c (get_expr_operands): Handle
10933 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10934 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10936 2006-01-19 Jeff Law <law@redhat.com>
10938 * tree-vrp.c (extract_range_from_assert): Refine the result range
10939 if the variable referenced by the ASSERT_EXPR has a range and
10940 either the tentative result range or the previous range is a
10943 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10945 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10947 2006-01-19 Jan Hubicka <jh@suse.cz>
10949 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10951 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10953 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10954 (expand_compound_operation, expand_field_assignment): Fail if the
10955 bit lengths of an extract operation are out of range.
10956 (make_extraction): Compute wanted_inner_mode based on the position
10957 and length of the extraction. Make it extraction_mode for non-constant
10958 positions, and do not modify offset in that case. When generating a
10959 new MEM, use a mode that can hold the extraction while keeping correct
10960 alignment. Remove code that supported MEMs wrapped by USEs.
10961 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10963 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10965 * config/s390/s390.md ("Y", "y"): New mode attribute.
10966 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10967 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10968 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10969 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10970 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10971 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10972 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10973 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10974 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10975 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10976 "addsi3", "subsi3"): Insn patterns removed.
10977 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10978 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10979 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10980 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10981 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10982 "*sub<mode>3_cconly2"): New insn patterns.
10983 ("addsi3", "subsi3"): New expanders.
10985 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10987 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10988 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10989 existing STMT_VINFO_VECTYPE if available.
10990 (vect_mark_relevant): Add special handling for stmts that are
10991 marked as STMT_VINFO_IN_PATTERN_P.
10992 (vect_analyze_loop): Call vect_pattern_recog.
10993 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10994 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10996 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10997 (vect_recog_func_ptr): New function-pointer type.
10998 * tree-vect-patterns.c: New file.
10999 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11000 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11001 (vect_pattern_recog_1): New functions.
11002 (vect_pattern_recog_funcs): New array of function pointers.
11004 * tree-vectorizer.h (ternary_op): New enum value.
11005 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11006 declaration. Revised documentation. Removed redundant dump prints.
11007 Removed redundant argument. Added support for reduction patterns.
11008 (vectorizable_reduction): Added support for reduction patterns.
11009 (vect_transform_stmt): Added support for patterns.
11011 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11012 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11013 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11014 (expand_widen_pattern_expr): New function.
11015 (init_optabs): Initialize new optabs udot_prod_optab,
11017 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11018 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11019 (expand_widen_pattern_expr): New function declaration.
11020 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11022 * tree-inline.c (estimate_num_insns_1): Added cases for new
11023 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11024 * tree-pretty-print.c (dump_generic_node): Likewise.
11025 (op_prio): Likewise.
11026 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11027 * tree-ssa-operands.c (get_expr_operands): Added case for
11029 * tree-vect-patterns.c (widened_name_p): New function.
11030 (vect_recog_dot_prod_pattern): Added function implementation.
11031 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11032 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11033 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11034 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11036 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11037 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11038 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11039 (init_optabs): Initialize new optabs widen_ssum_optab,
11041 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11042 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11043 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11044 use instead of type of def.
11045 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11046 function implementation.
11047 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11048 widen_ssumv8hi): New.
11050 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11053 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11056 * c-decl.c (add_flexible_array_elts_to_size): New function.
11057 (finish_decl): Use it.
11059 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11061 * diagnostic.h: Include options.h.
11062 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11063 dependancies for diagnostic.h.
11064 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11066 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11068 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11069 (ssa_ro_call_cache_valid): Ditto.
11070 * tree-ssa-alias.c (sort_tags_by_id): New function.
11071 (init_transitive_clobber_worklist): Ditto.
11072 (add_to_worklist): Ditto.
11073 (mark_aliases_call_clobbered): Ditto.
11074 (compute_tag_properties): Ditto.
11075 (set_initial_properties): Ditto.
11076 (compute_call_clobbered): Ditto.
11077 (compute_may_aliases): Call compute_call_clobbered and grouping.
11078 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11079 (compute_flow_insensitive_aliasing): Grouping now happens in our
11081 (setup_pointers_and_addressables): Remove clobbering related code.
11082 (add_may_alias): Ditto.
11083 (replace_may_alias): Ditto.
11084 (get_nmt_for): Ditto.
11085 (create_global_var):
11086 (is_escape_site): Return an escape_type enumeration.
11087 * tree-flow-inline.h (is_call_clobbered): Global var does not
11088 imply call clobbered.
11089 (mark_call_clobbered): Take a reason for marking this. Remove
11090 marking of globalness, and cache invalidation.
11091 (clear_call_clobbered): Remove cache invalidation code.
11092 * tree-dfa.c (dump_variable): If details is on, dump the reason
11094 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11096 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11097 (struct var_ann_d): Ditto.
11098 (enum escape_type): New.
11099 (mark_call_clobbered): Adjust prototype.
11100 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11101 are never call clobbered.
11102 Record reasons for escaping.
11103 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11104 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11105 (ssa_ro_call_cache_valid): Ditto.
11106 (clobbered_v_may_defs): Ditto.
11107 (clobbered_vuses): Ditto.
11108 (ro_call_vuses): Ditto.
11109 (clobber_stats): New.
11110 (init_ssa_operands): Zero out clobber stats.
11111 (fini_ssa_operands): Print out clobber stats.
11112 (get_call_expr_operands): Pass callee fndecl to
11113 add_call_read_ops).
11114 (add_call_clobber_ops): Remove use of cache.
11115 Add use of PURE_CONST information.
11116 (add_call_read_ops): Remove use of cache.
11117 Add use of static not_read information.
11119 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11121 Introduce TLS descriptors for i386 and x86_64.
11122 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11123 (TARGET_ANY_GNU_TLS): New macro.
11124 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11125 (struct machine_function): Add tls_descriptor_call_expanded_p.
11126 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11127 (ix86_current_function_calls_tls_descriptor): Likewise.
11128 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11129 (override_options): Introduce gnu2 tls dialect.
11130 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11132 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11134 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11135 (ix86_init_machine_status): Initialize new field.
11136 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11137 (ix86_tls_module_base): New.
11138 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11139 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11140 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11141 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11142 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11143 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11144 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11145 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11146 * config/i386/predicates.md (tls_modbase_operand): New.
11147 (tp_or_register_operand): New.
11149 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11151 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11152 (look_for_address_of): Ditto.
11153 (ipa_init): Walk the function decls.
11154 (static_execute): Don't set readonly on FUNCTION_DECL's.
11156 2006-01-18 Roger Sayle <roger@eyesopen.com>
11158 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11159 for shifts where the source and destination registers are different.
11161 2006-01-18 Paul Brook <paul@codesourcery.com>
11163 Merge from csl-arm-branch.
11164 2005-03-14 Julian Brown <julian@codesourcery.com>
11165 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11166 (aeabi_llsl): Likewise.
11167 (ashrdi3): Likewise.
11168 (aeabi_lasr): Likewise.
11169 (lshrdi3): Likewise.
11170 (aeabi_llsr): Likewise.
11171 2005-03-10 Julian Brown <julian@codesourcery.com>
11172 * config.gcc: Disable shared libgcc for SymbianOS.
11173 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11175 2006-01-18 DJ Delorie <dj@redhat.com>
11177 * c-pragma.c (handle_pragma_diagnostic): New.
11178 (init_pragma): Register it.
11179 * doc/extend.texi: Document it.
11181 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11182 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11183 (diagnostic_context): Add classify_diagnostic[].
11184 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11185 as errors if they're overridden to DK_WARNING.
11186 (diagnostic_initialize): Initialize classify_diagnostic[].
11187 (diagnostic_set_kind_override): New.
11188 (diagnostic_report_diagnostic): Check for kind changes.
11189 * opts.c (common_handle_option): Take lang_mask. Update callers.
11190 Handle OPT_Werror_.
11191 * common.opt (Werror=): New.
11192 * doc/invoke.texi: Document -Werror=*
11194 2006-01-18 Jeff Law <law@redhat.com>
11196 * tree-vrp.c (test_for_singularity): Correct test for new
11197 min limit. Use operand_equal_p rather than pointer equality
11198 for testing if new min/max values are equal.
11200 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11201 using range information until after propagation and folding.
11203 2006-01-18 Richard Henderson <rth@redhat.com>
11204 Aldy Hernandez <aldyh@redhat.com>
11205 Jakub Jelinek <jakub@redhat.com>
11206 Diego Novillo <dnovillo@redhat.com>
11208 * omp-low.c: New file.
11209 * c-omp.c: New file.
11211 2006-01-18 Richard Henderson <rth@redhat.com>
11212 Jakub Jelinek <jakub@redhat.com>
11213 Diego Novillo <dnovillo@redhat.com>
11215 * doc/invoke.texi: Document -fopenmp.
11216 * tree-dump.h (debug_function): Declare.
11217 * hooks.c (hook_bool_tree_bool_false): New function.
11218 (hook_tree_tree_null): Remove.
11219 (hook_tree_tree_tree_null): New.
11220 * hooks.h: Update to match.
11221 * tree-pretty-print.c (debug_tree_chain): New.
11222 (print_generic_expr): Handle TDF_CHAIN.
11223 (dump_generic_node): Handle BLOCK.
11224 Do not abort with incomplete SWITCH_EXPRs.
11225 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11226 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11227 print space after directive name.
11228 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11229 Handle OMP_MASTER and OMP_ORDERED.
11230 Handle printing of OMP_BODY just in one place, goto
11231 dump_omp_body in the rest of OMP_* nodes that have
11233 Don't handle clause nodes here. Update omp statements to
11234 use dump_omp_clauses.
11235 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11236 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11237 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11238 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11239 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11240 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11241 Adjust output for GOMP_PARALLEL.
11242 (dump_omp_clauses): New.
11243 (print_declaration): Dump DECL_VALUE_EXPR.
11244 (op_symbol_1): Split out of op_symbol.
11245 (dumping_stmts): Remove. Update all users.
11246 * cgraph.c (cgraph_analyze_queue): New.
11247 (cgraph_add_new_function): New.
11248 * cgraph.h (cgraph_analyze_queue): Declare.
11249 (cgraph_add_new_function): Declare.
11250 (cgraph_lower_function): Remove.
11251 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11252 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11253 and TYPE_P nodes in its default clause.
11254 (empty_body_p): New.
11255 (tree_range_check_failed): New.
11256 (build5_stat): New.
11257 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11258 OMP_CLAUSE_REDUCTION_MERGE,
11259 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11260 OMP_CLAUSE_PRIVATE_DEBUG,
11261 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11262 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11263 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11264 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11265 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11266 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11267 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11268 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11269 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11270 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11271 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11272 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11273 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11274 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11275 (TREE_RANGE_CHECK): New.
11276 (empty_body_p): Declare.
11277 (enum omp_clause_default_kind): New.
11278 (build_string_literal): Declare.
11279 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11280 (build5_stat, build5): Declare.
11281 * tree-pass.h (TDF_CHAIN): Define.
11282 * tree-pass.h (PROP_gimple_lomp): Define.
11283 (pass_lower_omp): Declare.
11284 * diagnostic.h (debug_tree_chain): Declare.
11285 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11287 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11288 * builtins.c (build_string_literal): Make extern.
11289 * gcc.c (include_spec_function): New.
11290 (static_spec_functions): Add it.
11291 (main): Move load of libgomp.spec ...
11292 (LINK_COMMAND_SPEC): ... here.
11293 (link_gomp_spec): New.
11294 (static_specs): Include it.
11295 (LINK_COMMAND_SPEC): Add link_gomp.
11296 (GOMP_SELF_SPECS): New.
11297 (driver_self_specs): Include it.
11298 (switch_matches): Don't mark inline.
11299 (main): Load libgomp.spec.
11300 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11301 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11302 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11303 * tree-gimple.h (enum omp_parallel): Declare.
11304 (determine_parallel_type): Declare.
11305 (omp_firstprivatize_variable): Declare.
11306 (omp_reduction_init): Declare.
11307 (diagnose_omp_structured_block_errors): Declare.
11308 (struct walk_stmt_info): Add want_return_expr.
11309 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11310 (find_omp_clause): Declare.
11311 (insert_field_into_struct): Declare.
11312 (struct walk_stmt_info): Move from tree-nested.c
11313 (walk_stmts): Declare.
11314 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11316 * cgraphunit.c (cgraph_lower_function): Make static.
11317 (cgraph_finalize_pending_functions): New.
11318 (cgraph_finalize_function): Call it.
11319 (cgraph_finalize_compilation_unit): Likewise.
11320 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11321 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11322 (BT_FN_UINT_UINT): New.
11323 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11324 DEF_FUNCTION_TYPE_VAR_4): Document.
11325 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11326 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11327 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11328 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11329 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11330 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11331 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11332 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11333 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11334 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11335 into separate files.
11336 (DEF_GOMP_BUILTIN): New.
11337 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11338 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11339 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11340 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11341 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11342 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11343 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11344 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11345 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11346 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11347 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11348 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11349 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11350 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11351 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11352 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11353 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11354 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11355 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11356 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11357 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11358 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11359 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11360 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11361 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11362 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11363 * sync-builtins.def: New file, moved from builtins.def.
11364 * omp-builtins.def: New file, moved from builtins.def.
11365 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11366 * gimple-low.c (lower_function_body): Clear data.
11367 (lower_stmt): Do not handle COMPOUND_EXPR.
11368 Remove call to print_node_brief.
11369 * c-tree.h (c_finish_omp_clauses): New prototype.
11370 (C_DECL_THREADPRIVATE_P): Define.
11371 (lookup_name_no_remap, c_omp_remap_private): Remove
11372 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11373 (check_for_loop_decls): Update decl.
11374 (lookup_name_no_remap, c_omp_remap_private): Declare.
11375 (build_indirect_ref, build_modify_expr, pushdecl,
11376 pushdecl_top_level): Move to c-common.h.
11377 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11378 before the switch, but just in the 2 places that need it.
11379 * c-decl.c (diagnose_mismatched_decls): Do not check for
11380 mismatched thread-local attributes when OLDDECL is marked
11381 threadprivate and NEWDECL has no thread-local attributes.
11382 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11383 (c_gimple_diagnostics_recursively): Rename from
11384 c_warn_unused_result_recursively. Invoke
11385 diagnose_omp_structured_block_errors.
11386 (check_for_loop_decls): Return a singular decl found.
11387 * langhooks.c (lhd_omp_predetermined_sharing): Return
11388 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11389 (lhd_omp_firstprivatize_type_sizes): New.
11390 (lhd_omp_assignment): New.
11391 (lhd_omp_predetermined_sharing): New.
11392 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11393 (struct lang_hooks_for_types): Add
11394 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11395 omp_predetermined_sharing, omp_disregard_value_expr,
11396 omp_private_debug_clause, omp_clause_default_ctor,
11397 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11398 (c_finish_omp_clauses): New.
11399 (c_finish_bc_stmt): Diagnose break within omp for.
11400 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11401 (build_unary_op): Return error_mark after reporting
11403 (build_modify_expr): Likewise.
11404 * gimplify.c: Include optabs.h and pointer-set.h.
11405 (enum gimplify_omp_var_data): Declare.
11406 (struct gimplify_omp_ctx): Declare.
11407 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11409 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11410 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11411 (splay_tree_compare_decl_uid): New.
11412 (new_omp_context): New.
11413 (delete_omp_context): New.
11414 (gimple_add_tmp_var): Call omp_add_variable.
11415 (gimplify_bind_expr): Likewise.
11416 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11417 true, disregard DECL_VALUE_EXPR on the decl if any.
11418 (gimplify_expr_in_ctx): New.
11419 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11420 omp_add_variable, omp_notice_variable, omp_is_private
11421 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11422 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11423 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11424 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11425 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11426 gimplify_omp_atomic): New.
11427 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11428 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11429 OMP_CRITICAL and OMP_ATOMIC.
11430 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11431 * c-pragma.h (enum pragma_kind): Add
11432 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11433 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11434 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11435 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11436 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11437 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11438 PRAGMA_OMP_THREADPRIVATE.
11439 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11440 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11441 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11442 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11443 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11444 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11445 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11446 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11447 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11448 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11449 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11450 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11451 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11453 (struct nesting_info): Add field_map,
11454 suppress_expansion, debug_var_chain.
11455 (create_nesting_tree): Initialize them.
11456 (lookup_field_for_decl): Use field_map.
11457 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11458 (convert_local_omp_clauses): New.
11459 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11460 (walk_body): Split out of walk_function.
11461 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11462 (convert_nonlocal_reference): Handle omp statements.
11463 (convert_local_reference): Likewise.
11464 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11465 (unnest_nesting_tree): New.
11466 (lower_nested_functions): Call it.
11467 (insert_field_into_struct): Make extern.
11468 (struct walk_stmt_info): Move to tree-gimple.h.
11469 (walk_stmts): Make extern.
11470 * omp-builtins.def: New file.
11471 * tree-iterator.c (expr_only): Clarify comment.
11472 * c-common.h (pushdecl_top_level, pushdecl,
11473 build_modify_expr, build_indirect_ref,
11474 c_finish_omp_master, c_finish_omp_critical,
11475 c_finish_omp_ordered, c_finish_omp_barrier,
11476 c_finish_omp_atomic, c_finish_omp_flush,
11477 c_finish_omp_for, c_split_parallel_clauses,
11478 omp_clause_default_kind, c_omp_sharing_predetermined,
11479 c_omp_remap_decl): Declare.
11480 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11481 (OBJS-common): Add omp-low.o.
11482 (c-omp.o, omp-low.o): Add.
11483 (gimplify.o): Add dependency on $(OPTABS_H).
11484 (GTFILES): Add omp-low.c.
11485 (gt-stringpool.h): Add.
11486 * tree-cfg.c (set_bb_for_stmt): Do not update the
11487 block-to-labels map if we are currently expanding to RTL.
11488 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11490 Handle IDENTIFIER_NODE.
11491 (tree_verify_flow_info): Do not ICE when emitting error
11492 messages about invalid labels.
11493 (dump_function_to_file): Reset CFUN before emitting the body
11495 (debug_function): New.
11496 * passes.c (init_optimization_passes): Schedule
11498 * langhooks-def.h (lhd_omp_predetermined_sharing,
11499 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11501 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11502 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11503 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11504 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11505 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11506 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11507 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11508 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11509 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11510 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11511 (LANG_HOOK_DECLS): Use them.
11513 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11514 Richard Henderson <rth@redhat.com>
11515 Jakub Jelinek <jakub@redhat.com>
11516 Diego Novillo <dnovillo@redhat.com>
11518 * c-parser.c (pragma_omp_clause): Define.
11519 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11520 (c_parser_compound_statement): Likewise.
11521 (c_parser_statement): Likewise.
11522 (c_parser_pragma): Handle omp pragmas.
11523 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11524 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11525 (c_parser_omp_clause_name, check_no_duplicate_clause,
11526 c_parser_omp_variable_list,
11527 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11528 c_parser_omp_clause_copyprivate,
11529 c_parser_omp_clause_default,
11530 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11531 c_parser_omp_clause_lastprivate,
11532 c_parser_omp_clause_nowait,
11533 c_parser_omp_clause_num_threads,
11534 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11535 c_parser_omp_clause_reduction,
11536 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11537 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11538 c_parser_omp_atomic, c_parser_omp_barrier,
11539 c_parser_omp_critical, c_parser_omp_flush,
11540 c_parser_omp_for_loop, c_parser_omp_for,
11541 c_parser_omp_master, c_parser_omp_ordered,
11542 c_parser_omp_sections_scope, c_parser_omp_sections,
11543 c_parser_omp_parallel, c_parser_omp_single,
11544 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11545 * c-pragma.c (init_pragma): Do omp pragma registration here.
11546 * c.opt (fopenmp): New flag.
11548 2006-01-18 Eric Christopher <echristo@apple.com>
11550 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11551 * config/darwin.h (GOMP_SELF_SPECS): Define.
11553 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11555 * rtl.h: Remove the prototype for reg_alloc.
11557 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11560 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11561 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11562 sjlj and dwarf2 exception handling.
11563 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11564 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11565 * pa/pa.c (function_value): Treat complex and vector types as
11567 (function_arg): Likewise. Only pass scalar floats in the floating
11568 point argument registers.
11569 * pa/t-slibgcc-dwarf-ver: New file.
11570 * pa/t-slibgcc-sjlj-ver: New file.
11571 * pa/t-slibgcc-elf-ver: Delete file.
11573 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11575 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11576 unlikely_test_section_p test.
11578 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11580 * mode-switching.c (optimize_mode_switching): Make it static.
11581 * basic-block.h: Remove the prototype for
11582 optimize_mode_switching.
11584 * modulo-sched.c (sms_schedule): Make it static.
11585 * rtl.h: Remove the prototype for sms_schedule.
11587 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11588 * rtl.h: Remove the prototype for gcse_after_reload_main.
11590 * reg-stack.c (reg_to_stack): Make it static.
11591 * rtl.h: Remove the prototype for reg_to_stack.
11593 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11595 * rtl.h: Remove the prototypes for regrename_optimize and
11596 copyprop_hardreg_forward.
11598 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11600 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11601 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11602 Test against the appropriate null constant for the mode.
11603 If 'fixup_overlap' is true, swap the operands if they overlap.
11604 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11605 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11606 alpha_split_tmode_pair and adjust for above change.
11607 * config/alpha/alpha.md (movtf_internal): Adjust call to
11608 alpha_split_tfmode_pair and rely on it to swap the operands.
11609 (movti_internal): New insn and post-reload splitter.
11610 (movti): New expander.
11612 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11614 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11617 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11619 * rtlanal.c (global_reg_mentioned_p_1,
11620 global_reg_mentioned_p): Remove.
11621 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11623 * flow.c (initialize_uninitialized_subregs): Make it static.
11624 * rtl.h: Remove the prototype for
11625 initialize_uninitialized_subregs.
11627 * function.c (instantiate_virtual_regs): Make it static.
11628 * function.h: Remove the prototype for
11629 instantiate_virtual_regs.
11631 * regmove.c (regmove_optimize, combine_stack_adjustments):
11633 * rtl.h: Remove the prototypes for regmove_optimize and
11634 combine_stack_adjustments.
11636 2006-01-17 Roger Sayle <roger@eyesopen.com>
11638 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11639 (size_cost): Encode costs in bytes so that a reg-reg addition is
11640 equivalent to COSTS_N_INSNS(1).
11641 (override_options): Use the size_cost.branch_cost as the default
11642 ix86_branch_cost when optimizing for size.
11644 2006-01-18 Ben Elliston <bje@au.ibm.com>
11646 * Makefile.in (D32PBIT_FUNCS): New.
11647 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11648 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11649 D64PBIT_FUNCS and D128PBIT_FUNCS.
11650 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11651 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11653 (decnumber_dep): Define.
11654 * doc/libgcc.texi (Decimal float library routines): New node.
11655 * config/dfp-bit.h, config/dfp-bit.c: New files.
11657 2006-01-18 Ben Elliston <bje@au.ibm.com>
11659 * expr.c (emit_move_change_mode): Always adjust addresses, not
11660 just during reload. Copy replacements only during reload.
11661 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11662 emit_move_via_integer.
11664 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11666 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11667 instead of $(srcdir) and ${srcdir}.
11669 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11672 PR middle-end/11135
11673 * arm.h (struct machine_function): Add pic_reg.
11674 * arm.c (arm_pic_register): Make unsigned.
11675 (arm_override_options): Only set arm_pic_register if
11676 TARGET_SINGLE_PIC_BASE.
11677 (use_return_insn): Only test for a pic register if it is fixed.
11678 (arm_compute_save_reg0_reg12_mask): Likewise.
11679 (thumb_compute_save_reg_mask): Likewise.
11680 (legitimate_pic_operand): Factor out some known invariants.
11681 (legitimize_pic_address): If we don't have a fixed pic register,
11682 then set up a pseudo in the function entry sequence. Handle the
11683 pic base being in a pseudo.
11684 (arm_load_pic_register): Handle the pic register being in a pseudo.
11685 (arm_expand_prologue): Only set up the pic register if it is fixed.
11686 (thumb_expand_prologue): Likewise.
11687 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11688 (pic_load_addr_based_insn): Likewise.
11689 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11692 2006-01-18 Ben Elliston <bje@au.ibm.com>
11694 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11695 decimal float modes for all floating point registers.
11697 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11698 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11700 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11703 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11704 even when the pointer is not NULL.
11706 2006-01-16 Ian Lance Taylor <ian@airs.com>
11708 * common.opt (ftoplevel-reorder): New option.
11709 * cgraph.c (cgraph_asm_nodes): New global variable.
11710 (cgraph_asm_last_node): New static variable.
11711 (cgraph_order): New global variable.
11712 (cgraph_create_node): Set new order field.
11713 (cgraph_varpool_node): Likewise.
11714 (decide_is_variable_needed): Return true if not
11715 flag_toplevel_reorder.
11716 (cgraph_add_asm_node): New function.
11717 * cgraph.h (struct cgraph_node): Add order field.
11718 (struct cgraph_varpool_node): Add order field.
11719 (struct cgraph_asm_node): Define.
11720 (cgraph_asm_nodes, cgraph_order): Declare.
11721 (cgraph_add_asm_node): Declare.
11722 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11724 (cgraph_varpool_assemble_pending_decls): Call it.
11725 (cgraph_output_pending_asms): New static function.
11726 (cgraph_finalize_compilation_unit): Call it.
11727 (struct cgraph_order_sort): Define.
11728 (cgraph_output_in_order): New static function.
11729 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11730 !flag_toplevel_reorder case.
11731 * c-parser.c: Include "cgraph.h".
11732 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11734 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11735 than -fno-unit-at-a-time.
11736 * doc/invoke.texi (Option Summary): Mention
11737 -fno-toplevel-reorder.
11738 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11739 -funit-at-a-time documentation.
11741 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11742 Kazu Hirata <kazu@codesourcery.com>
11744 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11746 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11748 * Makefile.in (FUNCTION_H): New. Use it instead of
11749 function.h throughout the file.
11750 * function.h: Include tree.h.
11752 2006-01-17 Ben Elliston <bje@au.ibm.com>
11754 * recog.c: Separate some functions with whitespace.
11756 2006-01-16 Richard Henderson <rth@redhat.com>
11758 Merge from gomp branch:
11759 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11760 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11761 and rename from struct inline_data. Rename callee* to dst*;
11762 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11763 transform_new_cfg, transform_return_to_modify, and
11764 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11766 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11767 (copy_decl_for_dup): Remove.
11768 * tree-inline.c (struct inline_data): Move to header.
11769 (insert_decl_map): Export.
11770 (remap_decl): Update for member name changes. Use copy_decl hook.
11771 Allow for replacement to be a non-decl. Remove dead code.
11772 (remap_type_1): Check for existing mapping.
11773 (remap_type): Export.
11774 (remap_decls): Update for member name changes.
11775 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11776 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11777 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11778 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11779 (tree_function_versioning, build_duplicate_type): Likewise.
11780 (copy_body_r): Likewise. Export.
11781 (copy_decl_for_dup): Split into ...
11782 (copy_decl_for_dup_finish, copy_decl_to_var,
11783 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11784 (replace_ref_tree, inlining_p): Remove.
11786 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11788 * ifcvt.c (if_convert): Make it static.
11789 * rtl.h: Remove the prototype for if_convert.
11791 * local-alloc.c (local_alloc): Make it static.
11792 * rtl.h: Remove the prototype for local_alloc.
11794 * loop.c (loop_optimize): Make it static.
11795 * cfgloop.h: Remove the prototype for loop_optimize.
11798 2006-01-16 DJ Delorie <dj@redhat.com>
11800 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11803 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11805 * pa.md: Disparage copies between general and floating-point registers
11806 in 32-bit move patterns.
11808 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11811 * Makefile.in (check-%): Depend on site.exp instead of
11812 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11815 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11817 * global.c (global_alloc): Make it static.
11818 * rtl.h: Remove the prototype for global_alloc.
11820 2006-01-16 Richard Guenther <rguenther@suse.de>
11822 * tree-ssa-alias.c (struct used_part): Add write_only field.
11823 (get_or_create_used_part_for): Initialize it to true.
11824 (create_overlap_variables_for): Don't create structure variables
11825 for structures that only are written to.
11826 (find_used_portions): Handle MODIFY_EXPR to track whether a
11827 structure is only written to.
11829 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11831 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11833 * basic-block.h: Remove the prototype for
11834 partition_hot_cold_basic_blocks.
11836 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11838 * cppspec.c (lang_specific_spec_functions): Remove.
11839 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11840 * gcc.h (lang_specific_spec_functions): Remove.
11841 * gccspec.c (lang_specific_spec_functions): Remove.
11843 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11845 * combine.c (record_value_for_reg): Invalidate registers
11847 (record_dead_and_set_regs_1): Likewise, by passing them to
11848 record_value_for_reg.
11849 (record_dead_and_set_regs): Invalidate stores made by a
11850 call. We do not combine across a call, but we still
11851 relied on equivalences.
11853 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11855 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11856 vrp_int_const_binop returning non-constant nodes.
11858 2006-01-16 Paul Brook <paul@codesourcery.com>
11860 * config/m68k/m68k.c (output_move_const_into_data_reg):
11861 Output correct mnemonic for mvz and mvs.
11863 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11865 * rtl-factoring.c: Add sequence abstraction algorithm.
11866 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11867 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11869 (block_has_preserve_label): New function.
11870 * common.opt: Register new pass.
11871 * Makefile.in: Ditto.
11873 * timevar.def: Ditto.
11874 * tree-pass.h: Ditto.
11875 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11876 * rtl.h (make_jump_insn_raw): Add forward decl.
11877 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11879 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11880 Roger Sayle <roger@eyesopen.com>
11882 * fold-const.c (fold_minmax): New static function.
11883 (fold_binary) <MIN_EXPR>: Call it.
11884 <MAX_EXPR>: Likewise.
11885 * stor-layout.c (place_field): Use DECL_SIZE consistently
11886 in the computation of the new record size.
11888 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11890 * cse.c (cse_condition_code_reg): Make it static.
11891 * rtl.h: Remove the prototype for cse_condition_code_reg.
11893 * combine.c (combine_instructions): Make it static.
11894 * rtl.h: Remove the prototype for combine_instructions.
11896 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11899 * tree.c (get_file_function_name_long): Concatenate the first global
11900 object name with a string derived from the input filename of the object
11903 2006-01-16 Ben Elliston <bje@au.ibm.com>
11905 * config/i386/winnt-stubs.c: Update FSF address.
11906 * config/xtensa/ieee754-df.S: Ditto.
11907 * config/xtensa/ieee754-sf.S: Ditto.
11909 2006-01-14 Ian Lance Taylor <ian@airs.com>
11911 * ifcvt.c (noce_init_if_info): New static function, broken out of
11912 noce_process_if_block.
11913 (noce_process_if_block): Call noce_init_if_info.
11914 (check_cond_move_block): New static function.
11915 (cond_move_process_if_block): New static function.
11916 (process_if_block): Call cond_move_process_if_block.
11918 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11920 * cselib.c (hash_table): Rename to cselib_hash_table.
11921 (cselib_clear_table, discard_useless_values,
11922 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11923 cselib_init, cselib_finish): Adjust uses of hash_table.
11925 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11927 PR tree-optimization/25485
11928 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11929 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11930 is known to be false and true, respectively.
11932 2006-01-14 Richard Guenther <rguenther@suse.de>
11934 PR tree-optimization/22548
11935 PR tree-optimization/22555
11936 PR tree-optimization/22501
11937 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11938 * params.def (salias-max-array-elements): New parameter.
11939 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11940 * doc/invoke.texi (salias-max-array-elements): Document.
11941 * tree-flow-inline.h (var_can_have_subvars): We also handle
11943 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11945 * tree-ssa-structalias.c (params.h): Include.
11946 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11947 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11948 (get_constraint_for): For ADDR_EXPR operating on something
11949 containing an ARRAY_REF, add all subvars to the solution.
11950 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11951 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11952 for creating MUST_DEFs.
11953 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11955 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11957 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11959 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11960 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11961 number_of_iterations_le): New functions.
11962 (number_of_iterations_special): Removed.
11963 (number_of_iterations_exit): Do not use number_of_iterations_special.
11964 * tree.c (unsigned_type_for): Always return integer type.
11966 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11967 Richard Guenther <rguenther@suse.de>
11969 PR rtl-optimization/24257
11970 * gcse.c (find_moveable_store): Only consider a store movable
11971 when the SET_SRC of the insn can be assigned to a register.
11973 2006-01-14 Ian Lance Taylor <ian@airs.com>
11975 * tree.c (tree_not_class_check_failed): New function.
11976 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11977 (tree_not_class_check_failed): Declare.
11979 2006-01-13 Ian Lance Taylor <ian@airs.com>
11981 * reload1.c (do_output_reload): Add assertion rejecting a
11984 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11986 * combine.c (struct reg_stat): Add new fields truncation_label and
11988 (record_value_for_reg): Reset truncated_to_mode.
11989 (record_truncated_value): New function.
11990 (check_promoted_subreg): Call it. Rename to check_conversions.
11991 (combine_instructions): Rename check_promoted_subreg to
11993 (reg_truncated_to_mode): New function.
11994 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11995 (gen_lowpart_or_truncate): New function.
11996 (force_to_mode): Use it instead of gen_lowpart.
11998 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12000 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12001 VAR is a tag, not its type tag.
12003 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12005 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12006 alternatives to match style of other entries.
12007 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12009 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12011 PR tree-optimization/25771
12012 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12015 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12018 * tree-inline.c (declare_return_variable): If the return variable
12019 was marked as a non gimple complex, set the return slot variable
12020 to be a non gimple comple variable.
12022 2006-01-13 Richard Guenther <rguenther@suse.de>
12024 * builtins.c (expand_builtin_sincos): New function.
12025 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12027 (expand_builtin): Expand sincos using expand_builtin_sincos.
12029 2006-01-12 DJ Delorie <dj@redhat.com>
12031 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12032 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12033 so that constant shifts can be split.
12034 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12035 (m32c_valid_pointer_mode): Make static.
12036 (shift_gen_func_for): New.
12037 (m32c_prepare_shift): Use it. Split large const shifts into
12039 * config/m32c/predicates.md (shiftcount_operand): Allow more
12041 (longshiftcount_operand): New.
12042 * doc/md.texi (Machine Constraints): Document In6.
12044 2006-01-13 Ben Elliston <bje@au.ibm.com>
12046 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12047 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12050 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12052 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12053 to try to avoid clobbering pieces of structures when we know
12054 something about the whole structure.
12055 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12057 2006-01-13 Ben Elliston <bje@au.ibm.com>
12059 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12060 return in memory, as this is no limitation is no longer present.
12062 2006-01-12 DJ Delorie <dj@redhat.com>
12064 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12065 mova with fb, and for fb+0 -> An.
12067 * config/m32c/mov.md (peephole2): Fix enabling logic.
12069 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12070 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12071 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12072 FINI_ARRAY_SECTION_ASM_OP): Define.
12074 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12076 (m32c_legitimize_reload_address): New logic to reload FB to An.
12077 (m32c_output_reg_push): Add newline.
12078 (m32c_output_reg_pop): Likewise.
12080 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12082 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12084 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12086 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12088 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12090 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12093 2006-01-11 Ben Elliston <bje@au.ibm.com>
12095 * rtlanal.c (find_reg_note): Assert insn is not null.
12097 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12099 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12102 2006-01-11 Jeff Law <law@redhat.com>
12104 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12106 (mark_threaded_blocks, register_jump_thread): New functions.
12107 (thread_through_all_blocks): Remove unwanted argument. No
12108 longer rely on e->aux to communicate thread target info.
12109 Call mark_threaded_blocks. Release the threaded_blocks
12110 bitmap and threaded_edges vector when complete.
12111 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12112 (threaded_blocks): Remove.
12113 (tree_ssa_dominator_optimize): Remove initialization and
12114 finalization of threaded_blocks. Simplify call to
12115 thread_through_all_blocks.
12116 (thread_across_edge): Call register_jump_thread rather than
12117 storing thread information into e->aux.
12118 (free_all_edge_infos): Simplify now that e->aux is no longer
12119 used to communicate with thread_through_all_blocks.
12120 * tree-flow.h (thread_through_all_blocks): Update prototype.
12121 (register_jump_thread): Prototype.
12123 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12125 * df-core.c (df_compact_blocks, df_bb_replace): Use
12126 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12128 2006-01-11 Richard Guenther <rguenther@suse.de>
12130 PR tree-optimization/25734
12131 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12132 stop propagation after successful propagation to the LHS.
12134 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12136 * basic-block.h (control_flow_graph): Change the type of
12137 x_basic_block_info to VEC(basic_block,gc) *.
12138 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12140 (SET_BASIC_BLOCK): New.
12141 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12142 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12143 * cfgbuild.c (find_basic_blocks): Likewise.
12144 * cfglayout.c (fixup_reorder_chain): Likewise.
12145 * cfgrtl.c (create_basic_block_structure,
12146 rtl_create_basic_block): Likewise.
12147 * ifcvt.c (find_if_case_1): Likewise.
12148 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12151 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12153 * Makefile.in: Removed rotted odf.c entry.
12155 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12158 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12159 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12160 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12161 output pattern modifier, not %e.
12162 * config/cris/cris.c (cris_op_str): Update comment about pattern
12164 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12165 before falling through into...
12166 <case 'E'>: Redefined from old 'e' case.
12168 2006-01-11 Jan Hubicka <jh@suse.cz>
12171 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12173 2006-01-11 Jan Hubicka <jh@suse.cz>
12175 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12176 * i386.c (x86_decompose_lea): Kill.
12177 (ix86_rtx_costs): Kill.
12179 2006-01-11 Jan Hubicka <jh@suse.cz>
12181 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12182 * cgraph.h (cgraph_node): Add inline_decl.
12183 (cgraph_insert_node_to_hashtable): Declare.
12184 (save_inline_function_body): Declare.
12185 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12187 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12188 (cgraph_function_versioning): Update call of tree_function_versioning.
12189 (save_inline_function_body): New function.
12190 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12191 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12192 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12193 (cgraph_default_inline_p): Likewise.
12194 (cgraph_decide_inlining_incrementally): Likewise.
12195 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12196 (copy_bb): Kill saving; do updating of clones.
12197 (copy_cfg_body): Kill saving.
12198 (initialize_inlined-parameters): Likewise.
12199 (expand_call_inline): Likewise.
12201 (tree_function_versioning): New parameter "update_clones".
12202 (inlining_p): Kill saving.
12203 * tree-inline.h (tree_function_versioning): Update prototype.
12204 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12207 2006-01-11 Ian Lance Taylor <ian@airs.com>
12209 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12210 Allow undoing set of machine mode.
12211 (do_SUBST): Use enums instead of is_int.
12212 (do_SUBST_MODE): New function.
12213 (SUBST_MODE): New macro.
12214 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12215 reg and trying to replace reg_regno_rtx with a new register.
12216 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12217 (simplify_set): Use SUBST_MODE.
12218 (distribute_notes): Remove code that tried to update reg notes
12219 for regno_reg_rtx changes.
12221 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12223 PR tree-optimization/23109
12224 PR tree-optimization/23948
12225 PR tree-optimization/24123
12227 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12228 * tree-cfg.c (single_noncomplex_succ): New.
12229 * tree-flow.h (single_noncomplex_succ): Declare it.
12230 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12231 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12232 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12233 insert_bb, register_division_in, insert_reciprocals,
12234 replace_reciprocal, free_bb): New.
12235 (execute_cse_reciprocals_1): Rewritten.
12236 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12237 Do not commit any edge insertion. Always compute dominators and
12238 create the allocation pool.
12239 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12240 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12241 * targhooks.c (default_min_divistions_for_recip_mul): New.
12242 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12243 * passes.c (init_optimization_passes): Run recip after tree loop
12245 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12247 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12248 Kenneth Zadeck <zadeck@naturalbridge.com>
12250 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12251 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12252 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12253 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12254 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12255 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12256 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12257 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12258 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12259 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12260 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12261 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12262 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12263 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12264 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12265 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12266 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12267 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12268 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12269 DF_SCAN_POST_ALLOC): New macros.
12270 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12271 df_free_bb_function, df_local_compute_function, df_init_function,
12272 df_dataflow_function, df_confluence_function_0,
12273 df_confluence_function_n, df_transfer_function,
12274 df_finalizer_function, df_free_function, df_dump_problem_function,
12275 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12276 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12277 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12278 df_urec_bb_info, ) New types.
12279 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12281 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12282 df_analyze_simple_change_some_blocks,
12283 df_analyze_simple_change_one_block, df_compact_blocks,
12284 df_bb_replace, df_bb_regno_last_use_find,
12285 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12286 df_insn_regno_def_p, df_find_def, df_find_use,
12287 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12288 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12289 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12290 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12291 debug_df_chain, df_get_dependent_problem, df_chain_create,
12292 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12293 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12294 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12295 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12296 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12297 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12298 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12299 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12300 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12301 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12302 df_reorganize_refs, df_set_state, df_hard_reg_init,
12303 df_read_modify_subreg_p) New public functions.
12304 * df-core.c: The core dataflow solver and glue routines for rtl
12306 (df_init, df_add_problem, df_set_blocks, df_finish,
12307 df_hybrid_search_forward, df_hybrid_search_backward,
12308 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12309 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12310 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12311 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12312 df_reg_defined, df_find_use, df_reg_used, df_dump,
12313 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12314 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12315 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12316 debug_df_useno, reset_df_after_reload): New functions.
12317 * df-scan.c: The scanning fuctions, once in df.c, completely
12318 rewritten so that they now fully model the functionality of
12319 register usage at the backend.
12320 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12321 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12322 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12323 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12324 df_get_artificial_defs, df_get_artificial_uses,
12325 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12326 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12327 df_refs_delete, df_reorganize_refs, df_set_state,
12328 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12329 df_def_record_1, df_defs_record, df_uses_record,
12330 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12331 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12332 df_record_exit_block_uses, df_hard_reg_init): New functions.
12334 * df-problems.c: Seven concrete dataflow problems that use the
12335 scanning in df-scan.c and are solved by the engine in df-core.c.
12336 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12337 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12338 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12339 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12340 df_ru_free_bb_info, df_ru_alloc,
12341 df_ru_bb_local_compute_process_def,
12342 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12343 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12344 df_ru_transfer_function, df_ru_free, df_ru_dump,
12345 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12346 df_rd_free_bb_info, df_rd_alloc,
12347 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12348 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12349 df_rd_transfer_function, df_rd_free, df_rd_dump,
12350 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12351 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12352 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12353 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12354 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12355 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12356 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12357 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12358 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12359 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12360 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12361 df_urec_mark_reg_use_for_earlyclobber,
12362 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12363 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12364 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12365 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12366 df_chain_create_bb_process_use, df_chain_create_bb,
12367 df_chain_finalize, df_chain_free, df_chains_dump,
12368 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12369 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12370 df_reg_lifetime): New functions.
12371 * df.c: Deleted file.
12372 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12373 consistent with new df api.
12374 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12375 rest_of_handle_sms): Ditto.
12376 * web.c (unionfind_union, union_defs, entry_register, web_main):
12378 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12379 invariant_expr_equal_p, find_defs, check_dependencies,
12380 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12381 free_inv_motion_data, move_loop_invariants): Ditto.
12382 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12383 Update dependencies.
12384 (odf.c): Added defective entry that was deleted later in day.
12385 * sched-deps.c (sched_analyze_1): Ditto.
12387 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12389 * tree-ssa-operands.c (get_expr_operands): Record addressable
12390 variables directly. Do not call add_stmt_operands for CONST_DECLs
12392 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12393 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12395 2006-01-11 Ben Elliston <bje@au.ibm.com>
12397 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12398 function returns true in the positive case.
12400 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12403 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12404 for SI, DI, SF and DF modes. Add alternatives to copy between
12405 general and floating point registers to the 32-bit patterns.
12406 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12407 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12408 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12409 generating 64-bit code.
12410 * config/pa/pa.c (output_move_double): Handle copies between general
12411 and floating registers.
12413 2006-01-10 Stuart Hastings <stuart@apple.com>
12415 * config/i386/i386.md (set_got): Update.
12416 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12417 (builtin_setjmp_receiver): Mach-O support.
12418 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12419 (GOT_SYMBOL_NAME): Define.
12420 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12421 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12422 * config/i386/i386.c (override_options): Revise for Darwin.
12423 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12424 support. (darwin_x86_file_end): New. (output_set_got): Add label
12425 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12426 * config/i386/i386-protos.h (output_set_got): Likewise.
12427 * config/darwin.c (machopic_legitimize_pic_address): Update
12430 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12432 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12433 when MODE isn't BLKmode.
12435 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12437 PR rtl-optimization/25367
12438 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12440 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12443 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12444 for a negative bound.
12446 2006-01-10 Richard Guenther <rguenther@suse.de>
12448 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12449 Never override with anything constraint.
12451 2006-01-10 Jan Beulich <jbeulich@novell.com>
12453 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12454 256 bits when optimize_size.
12456 2006-01-10 Jan Beulich <jbeulich@novell.com>
12458 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12460 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12461 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12464 2006-01-10 Ben Elliston <bje@au.ibm.com>
12466 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12468 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12469 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12470 (USE_FP_FOR_ARG): Reject decimal float modes.
12471 (function_arg_advance): Likewise.
12472 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12473 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12474 point types in AltiVec vectors.
12475 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12476 (rs6000_libcall_value): Likewise.
12478 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12480 * config/xtensa/ieee754-df.S: New file.
12481 * config/xtensa/ieee754-sf.S: New file.
12482 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12483 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12484 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12486 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12488 * config/sh/predicates.md (binary_float_operator,
12489 binary_logical_operator, commutative_float_operator,
12490 equality_comparison_operator, greater_comparison_operator,
12491 less_comparison_operator, logical_operator,
12492 noncommutative_float_operator, shift_operator,
12493 symbol_ref_operand, unary_float_operator): Remove redundant
12496 2006-01-09 Jeff Law <law@redhat.com>
12498 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12499 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12500 now unused arguments. Callers updated.
12501 (eliminate_redundant_computations): Remove now unused arguments,
12503 (local_fold): Remove, no longer used.
12504 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12506 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12507 (simplify_cond): New function.
12508 (forward_propagate_into_cond): Call simplify_cond.
12510 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12512 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12513 (*vec_extractv2di_1_sse): New.
12515 2006-01-09 Ben Elliston <bje@au.ibm.com>
12517 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12519 2006-01-08 Richard Guenther <rguenther@suse.de>
12521 * tree-ssa-structalias.c (get_constraint_for): Remove
12522 anyoffset argument.
12523 (get_constraint_for_component_ref): Likewise.
12524 (do_deref): Likewise.
12525 (get_constraint_for): Likewise.
12526 (do_structure_copy): Likewise.
12527 (handle_ptr_arith): Likewise.
12528 (find_func_aliases): Likewise. Remove unused need_anyoffset
12531 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12532 Kaz Kojima <kkojima@gcc.gnu.org>
12534 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12535 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12536 (EXTRA_CONSTRAINT_C16): Remove.
12537 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12538 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12539 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12540 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12541 constants of SHmedia. Handle nested constant expressions of
12543 (andcosts): Fix the costs for SHmedia constants.
12544 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12545 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12546 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12547 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12548 (movv4hi_i, movv2si_i): Likewise.
12549 (movsi_const): Adjust the second operand of ior so to match with
12550 the Csu constraint.
12551 (movdi_const, movdi_const_32bit): Likewise.
12552 (movdi_const_16bit+1): Don't sign-extend LOW.
12553 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12555 (*double_shori): Fix the split condition. Use GEN_INT instead
12556 of get_int_mode calls. Mask lower 16-bit of the argument of
12558 (sym2GOTPLT): Remove.
12559 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12561 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12562 instead of EXTRA_CONSTRAINT_C16.
12564 2006-01-07 Ian Lance Taylor <ian@airs.com>
12565 David Edelsohn <edelsohn@gnu.org>
12567 PR rtl-optimization/25662
12568 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12569 for constant operands instead of simplify_gen_binary.
12570 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12571 after trying simplify_binary_operation
12573 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12575 * tree.c (iterative_hash_expr): Hash decls based on UID.
12577 2006-01-06 Eric Christopher <echristo@apple.com>
12579 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12580 (TARGET_UNWIND_EMIT): Fix spelling.
12581 * target.h (gcc_target): Add except_table_label.
12582 * except.c (output_function_exception_table): Use.
12583 * varasm.c (default_emit_except_table_label): New.
12584 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12586 (asm_out): Add here.
12587 * output.h (default_emit_except_table_label): Prototype.
12588 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12589 * config/darwin.c (darwin_emit_except_table_label): Define.
12590 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12592 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12594 PR tree-optimization/18527
12595 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12596 number_of_iterations_special, number_of_iterations_exit):
12597 Move base and step of an iv to a single structure. Add
12598 no_overflow flag, and use it in # of iterations analysis.
12599 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12600 folded_casts argument.
12601 (simple_iv): Pass base and step in a structure. Set no_overflow
12603 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12604 Evaluate expensiveness of computing # of iterations instead of
12605 the final expression.
12606 * tree-scalar-evolution.h (affine_iv): New structure.
12607 (simple_iv): Declaration changed.
12608 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12609 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12610 find_givs_in_stmt): Changed due to simple_iv change.
12612 2006-01-06 Jeff Law <law@redhat.com>
12615 * tree-cfg.c (bsi_replace): Rename final argument from
12616 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12617 change (stmt -> orig_stmt).
12618 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12619 (bsi_remove): Add new argument. Remove EH information
12621 (verify_eh_throw_table_statements): New function.
12622 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12624 * tree-optimize.c (execute_free_cfg_annotations): Verify
12625 the EH throw statement table after removing annotations.
12626 * except.h (verify_eh_throw_table_statements): Prototype.
12627 * tree-flow.h (bsi_remove): Update prototype.
12628 * tree-vrp.c (remove_range_assertions): Add new argument to
12630 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12631 * tree-complex.c (expand_complex_div_wide): Likewise.
12632 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12633 * tree-tailcall.c (eliminate_tailcall): Likewise.
12634 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12635 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12636 * tree-nrv.c (tree_nrv): Likewise.
12637 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12638 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12639 (combine_blocks): Likewise.
12640 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12641 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12642 (cleanup_control_flow): Likewise.
12643 (remove_forwarder_block): Likewise.
12644 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12645 * tree-sra.c (sra_replace): Likewise.
12646 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12647 (forward_propagate_single_use_vars): Likewise.
12648 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12649 * tree-inline.c (expand_call_inline): Likewise.
12650 * tree-vect-transform.c (vect_transform_loop): Likewise.
12651 * tree-outof-ssa.c (rewrite_trees): Likewise.
12652 * tree-cfg.c (make_goto_expr_edges): Likewise.
12653 (cleanup_dead_labels): Likewise.
12654 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12655 (bsi_move_before, bsi_move_after): Likewise.
12656 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12657 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12659 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12662 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12664 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12665 on non gimple variables. Also add checks at the top for decls and
12667 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12669 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12670 and IMAGPART_EXPR for creating MUST_DEFs.
12671 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12672 and NAME_MEMORY_TAG separately from the DECLs.
12674 2006-01-06 Richard Guenther <rguenther@suse.de>
12676 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12677 annotation, if necessary.
12678 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12679 redundant calls to update_stmt.
12680 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12683 2006-01-05 Richard Henderson <rth@redhat.com>
12685 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12687 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12689 * c-typeck.c: Update copyright date.
12691 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12693 * c-typeck.c (build_c_cast): Always warn when casting
12694 from a pointer to an integer of different size, even if
12695 the node was constant.
12697 2006-01-05 Richard Guenther <rguenther@suse.de>
12699 PR tree-optimization/22555
12700 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12701 if one structure field is an array.
12702 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12703 operands even if we found a subvar, but ignore VOPs in this
12705 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12707 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12709 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12711 PR middle-end/24998
12712 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12714 2006-01-05 Richard Guenther <rguenther@suse.de>
12715 Diego Novillo <dnovillo@redhat.com>
12717 * tree-pass.h (TODO_remove_unused_locals): Define.
12718 * gimple-low.c (expand_var_p, remove_useless_vars,
12719 pass_remove_useless_vars): Remove. Update all users.
12720 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12721 (remove_unused_locals): New function.
12722 * tree-flow.h (remove_unused_locals): Declare.
12723 * passes.c (execute_todo): Call remove_unused_locals if
12724 TODO_remove_unused_locals is set.
12725 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12726 * tree-ssa-dce.c (pass_dce): Likewise.
12727 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12729 2006-01-05 Richard Guenther <rguenther@suse.de>
12731 * tree-flow.h (struct fieldoff): Decompose field to
12732 type, size and decl.
12733 * tree-ssa-alias.c (create_sft): Take type as parameter.
12734 (create_overlap_variables_for): Store type, size and decl
12735 in the fieldoff structure.
12736 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12737 of struct fieldoff.
12738 (push_fields_onto_fieldstack): Likewise.
12739 (create_variable_info_for): Likewise. Use offset for the
12740 SFT name if the decl is not available.
12742 2006-01-04 Paul Brook <paul@codesourcery.com>
12744 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12746 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12748 * lambda-code.c (can_put_in_inner_loop): Relax
12750 (can_put_after_inner_loop): New function.
12751 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12752 (perfect_nestify): Change to make copies and modify uses.
12754 2006-01-04 Richard Henderson <rth@redhat.com>
12756 Merge from gomp branch:
12757 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12758 via integer constant.
12759 (pragma_lex): Remove.
12760 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12761 rather than parsing it.
12762 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12763 handle_pragma_extern_prefix): Add %< %> quotes.
12764 (registered_pragmas): New.
12765 (c_register_pragma_1): New.
12766 (c_register_pragma): Use it.
12767 (c_register_pragma_with_expansion): Likewise.
12768 (c_invoke_pragma_handler): New.
12769 (init_pragma): Use cpp_register_deferred_pragma directly for
12771 * c-pragma.h (enum pragma_kind): New.
12772 (pragma_handler): New.
12773 (c_invoke_pragma_handler): Declare.
12774 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12776 * c-common.h (c_common_pch_pragma): Update decl.
12777 * Makefile.in (c-parser.o): Update dependencies.
12778 (GTFILES): Add c-pragma.h.
12779 * c-parser.c (struct c_token): Add pragma_kind.
12780 (struct c_parser): Add in_pragma.
12781 (c_lex_one_token): Always initialize keyword and pragma_kind.
12782 Extract data for CPP_PRAGMA.
12783 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12784 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12785 Don't allow CPP_PRAGMA_EOL if in_pragma.
12786 (c_parser_consume_pragma): New.
12787 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12788 (c_parser_skip_to_end_of_parameter): Likewise.
12789 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12790 (c_parser_skip_to_pragma_eol): New.
12791 (c_parser_external_declaration): Handle CPP_PRAGMA.
12792 (c_parser_compound_statement_nostart): Likewise.
12793 (c_parser_statement_after_labels): Likewise.
12794 (c_parser_pragma): New.
12795 (pragma_lex): Likewise.
12796 (c_parser_pragma_pch_preprocess): New.
12797 (c_parser_new): Merge into ...
12798 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12800 2006-01-04 Jeff Law <law@redhat.com>
12803 * tree-cfg.c (bsi_replace): Remove the original statement
12804 from the EH throw statement table.
12806 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12808 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12809 make the prototype extern "C" and add throw ().
12812 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12813 and pos non-negative and pos + len <= 32.
12814 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12815 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12816 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12819 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12820 as well as sizes not multiple of component size.
12823 * function.c (instantiate_expr): New function.
12824 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12825 walk its DECL_VALUE_EXPR with instantiate_expr.
12827 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12828 DW_OP_deref{,_size} if address isn't going to be added.
12830 2006-01-04 Ben Elliston <bje@au.ibm.com>
12832 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12833 * config/fp-bit.c: Likewise.
12835 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12837 * dominance.c: Add comment about why we use DFS numbering
12840 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12841 Richard Henderson <rth@redhat.com>
12843 Merge from gomp-branch:
12844 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12845 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12847 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12849 PR rtl-optimization/25578
12850 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12851 pass a parameter to simplify_shift_const if changing ASHIFTRT
12854 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12856 * builtins.c (get_builtin_sync_mem): New function.
12857 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12858 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12859 Call get_builtin_sync_mem to generate mem rtx.
12861 2006-01-03 Richard Guenther <rguenther@suse.de>
12864 * stmt.c (add_case_node): Make sure to clear overflow flags
12867 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12869 Merge from gomp-branch.
12870 * config/sparc/sync.md: New file.
12871 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12872 UNSPECV_LDSTUB): New constants.
12873 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12874 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12875 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12878 2006-01-03 Roger Sayle <roger@eyesopen.com>
12880 * combine.c (reg_subword_p): New predicate to test whether the
12881 destination of a set refers to a subword/piece of a register.
12882 (try_combine): Generalize the code to merge the setting of a
12883 pseudo to a constant followed by a set of a subword of that
12884 register to a constant.
12886 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12888 * basic-block.h (control_flow_graph): Change the type of
12889 x_label_to_block_map to VEC(basic_block,gc) *.
12890 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12891 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12893 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12894 VEC(basic_block,heap) *.
12895 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12896 ssa_prop_fini): Adjust the uses of cfg_blocks.
12898 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12900 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12902 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12903 hashing trees instead of a pointer hash.
12904 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12905 compare for MEM_EXPR.
12907 PR rtl-optimization/25130
12908 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12909 when comparing MEMs for GCSE
12911 2006-01-03 Ben Elliston <bje@au.ibm.com>
12913 * targhooks.h (default_decimal_float_supported_p): Declare.
12914 * targhooks.c (default_decimal_float_supported_p): Define.
12915 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12916 `default_decimal_float_supported_p'.
12917 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12919 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12921 * combine.c (apply_distributive_law <SUBREG>): Check
12922 TRULY_NOOP_TRUNCATION.
12924 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12926 * dwarf2out.c (have_switched_text_section): Delete.
12927 (have_multiple_function_sections): New.
12928 (have_location_lists): Make 'bool'.
12929 (add_AT_loc_list): Use 'true' not '1'.
12930 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12931 (output_loc_list): Use have_multiple_function_sections.
12932 (output_ranges): Likewise.
12933 (dwarf2out_begin_function): Set have_multiple_function_sections if
12935 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12936 Check function_section rather than DECL_SECTION_NAME.
12937 (dwarf2out_finish): Use have_multiple_function_sections.
12938 Don't clear have_location_lists.
12940 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12941 Jan Hubicka <jh@suse.cz>
12943 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12944 case of conditional jump jumping to the next instruction.
12945 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12946 cases of conditional jump jumping to the next instruction.
12948 2006-01-02 Jan Hubicka <jh@suse.cz>
12950 * i386.c (*_cost): Add COSTS_N_INSNS.
12951 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12953 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12956 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12958 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12960 * config/arm/arm.c (all_fpus): Fix comment typo.
12961 * config/darwin.c: Likewise.
12962 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12963 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12964 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12966 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12968 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12969 (rs6000_split_compare_and_swapqhi): New.
12970 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12971 (sync_compare_and_swapqhi_internal): New.
12972 * config/rs6000/rs6000-protos.h: Declare.