1 2006-07-05 Richard Guenther <rguenther@suse.de>
4 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5 TARGET_SSE2 targets if using SSE math.
8 2006-07-05 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/28162
11 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
12 make sure to convert the operands to the correct type.
14 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
16 PR tree-optimization/28218
18 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
19 to calculate and free the dominator information.
21 2006-07-04 Peter O'Gorman <peter@pogma.com>
23 * mklibgcc.in: chmod 644 before ranlib during install.
25 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
26 J"orn Rennecke <joern.rennecke@st.com>
28 * configure.ac (.eh_frame data check): Use diff -b.
30 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
33 * Makefile.in (BUILD_RTL): Add build/vec.o.
34 (build/gencondmd.o): Filter out -fkeep-inline-functions.
35 (build/genextract): Delete.
36 (build/genautomata): Likewise.
38 2006-07-04 Alan Modra <amodra@bigpond.net.au>
41 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
42 128-bit IBM long doubles for ABI_V4.
44 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
46 * tree.c (range_in_array_bounds_p): New predicate.
47 * tree.h (range_in_array_bounds_p): Declare it.
48 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
49 return a less conservative answer.
50 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
52 (IS_ELEMENT_FOR_GROUP): New macro.
53 (FOR_EACH_ACTUAL_CHILD): Likewise.
54 (next_child_for_group): New helper function.
55 (can_completely_scalarize_p): Take into account groups.
56 (sra_hash_tree): Handle RANGE_EXPR.
57 (sra_elt_eq): Likewise.
58 (lookup_element): Be prepared for handling groups.
59 (is_valid_const_index): Delete.
60 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
61 instead of is_valid_const_index.
62 <ARRAY_RANGE_REF>: New case.
63 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
65 <ARRAY_RANGE_REF>: Do not unconditionally punt.
66 (scan_dump): Dump info for groups too.
67 (decide_instantiation_1): Likewise.
68 (decide_block_copy): Assert that the element is not a group.
69 Propagate decision to groups.
70 (generate_one_element_ref): Handle RANGE_EXPR.
71 (mark_no_warning): Iterate over actual childs.
72 (generate_copy_inout): Likewise.
73 (generate_element_copy): Likewise.
74 (generate_element_zero): Likewise.
75 (generate_element_init_1): Likewise.
76 (dump_sra_elt_name): Handle RANGE_EXPR.
78 2006-07-03 Roger Sayle <roger@eyesopen.com>
80 PR tree-optimization/26251
81 * tree-ssa-threadupdate.c (redirection_block_p): New function.
82 (thread_block): When optimizing for size refuse to thread jumps
83 that would require duplication of blocks other than redirection
86 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
88 * configure.ac: Fix thinko in previous check-in.
89 * configure: Regenerate.
91 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
94 * configure.ac (for lang...): Simplify nesting of conditionals.
95 Test subdir_requires for non-enabled languages. Move processing
96 of lang_opt_files and lang_tree_fiels below that test.
97 * configure: Regenerate.
98 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
100 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
102 * doc/gcov.texi (Invoking Gcov): Add a missing word.
104 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
106 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
109 2006-06-29 Jason Merrill <jason@redhat.com>
116 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
117 * c-common.c (c_determine_visibility): Handle it here.
118 * c-decl.c (finish_decl): Call c_determine_visibility for
120 * flags.h (enum symbol_visibility): Sort from most to least visibility.
122 * varasm.c (default_assemble_visibility): Likewise.
123 * c-common.c (handle_visibility_attribute): Complain about trying
124 to give visibility to an already defined class, or trying to change
125 declared visibility. Always attach the attribute.
130 * attribs.c (decl_attributes): Ignore type-in-place attributes
131 once the type has been defined.
133 2006-06-29 Roger Sayle <roger@eyesopen.com>
136 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
137 to indicate the cpplib has issued an error message for us.
139 2006-06-29 Asher Langton <langton2@llnl.gov>
142 * config/i386/i386.c (ix86_output_function_epilogue): Don't
143 insert a label at the end of an function under Mach-O.
145 2006-06-29 Eric Christopher <echristo@apple.com>
146 Evan Cheng <evan.cheng@apple.com>
148 * predicates.md (vector_all_ones_operand): New.
149 (nonimmediate_or_sse_const_operand): Ditto.
150 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
151 * config/i386/i386.c (standard_sse_constant_opcode): Define.
152 (standard_sse_mode_p): Ditto.
153 (standard_sse_constant_p): Add case for -1 vector.
154 (ix86_expand_vector_move): Try to use.
155 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
156 Call standard_sse_constant_opcode.
157 (*movv4sf_internal): Ditto.
158 (*movv2df_internal): Ditto.
160 2006-06-29 Roger Sayle <roger@eyesopen.com>
162 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
163 of XEXP to extract the operands of a MATCH_CODE rtx.
165 2006-06-28 Andrew Pinski <pinskia@gmail.com>
167 * tree.c (tree_size): Do not waste tail padding in
168 struct tree_string and make the size be the same as
169 build_string will generate.
171 2006-06-28 Jason Merrill <jason@redhat.com>
174 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
175 may_aliases already in the tag's annotations to the bitmap.
177 2006-06-28 Roger Sayle <roger@eyesopen.com>
179 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
181 2006-06-28 Roger Sayle <roger@eyesopen.com>
183 * genpreds.c (generate_switch_p): New function.
184 (add_mode_tests): Push the new mode test down inside an AND expr
185 if this allows the switch-suitable MATCH_CODE to be near the root.
186 (write_match_code_switch): New function to write a MATCH_CODE as
188 (write_predicate_stmts): New function to write a predicate RTX
189 expression as a sequence of statements.
190 (write_one_predicate_function): Use write_predicate_stmts.
191 (write_tm_constrs_h): Likewise.
193 2006-06-26 Fred Fish <fnf@specifix.com>
195 * config/mips/t-sb1: New file.
196 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
199 2006-06-26 DJ Delorie <dj@redhat.com>
201 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
203 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
204 Jayant Sonar <jayants@kpitcummins.com>
205 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
207 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
208 (subsi3, subsi3_1, subsi3_2): New.
209 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
210 * config/m32c/mov.md (SI mov peephole): New.
211 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
212 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
214 2006-06-26 Olivier Hainque <hainque@adacore.com>
216 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
217 a CALL_EXPR target function declaration.
219 2006-06-26 Richard Guenther <rguenther@suse.de>
221 * tree.c (build_string): Do not waste tail padding in
224 2006-06-26 Richard Guenther <rguenther@suse.de>
226 * ggc-page.c (init_ggc): Add missing element to size_lookup
230 2006-06-23 Richard Guenther <rguenther@suse.de>
232 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
233 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
234 alignment requests instead. Add verification code.
235 Add struct tree_function_decl and struct tree_binfo size to
236 extra_order_size_table. Add missing element to size_lookup
239 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
242 * fold-const.c (const_binop): Be prepared for self returning zero.
243 Simplify code handling complex values.
245 2006-06-24 Olivier Hainque <hainque@adacore.com>
247 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
248 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
251 2006-06-24 Olivier Hainque <hainque@adacore.com>
253 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
254 ARRAY_REF, so have the callback called for the low bound expression.
256 2006-06-23 Janis Johnson <janis187@us.ibm.com>
258 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
259 * c-typeck.c (c_common_type): Disallow operations on decimal float
260 types and other float types.
261 * convert.c (convert_to_real): Don't ignore conversions involving
264 2006-06-23 Olivier Hainque <hainque@adacore.com>
266 * tree.c (max_int_size_in_bytes): New function, inspired from
267 code in function.c:assign_temp.
268 * tree.h (max_int_size_in_bytes): Declare.
269 * function.c (assign_temp): Use it.
270 * gimplify.c (create_tmp_var): Relax the assertions on the type
271 properties, not mandating constant size any more.
272 (force_constant_size): New static function.
273 (gimple_add_tmp_var): Use it, forcing variable size to a
274 constant upper bound if it is not constant on entry.
276 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
279 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
280 for initialization and setting of one_only flag to ...
281 (i386_pe_encode_section_info): ...here.
282 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
283 Recheck that the symbol has not been defined.
285 2006-06-23 Richard Guenther <rguenther@suse.de>
287 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
288 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
289 alignment requests instead. Add verification code.
290 Add struct tree_function_decl and struct tree_binfo size to
291 extra_order_size_table. Add missing element to size_lookup
294 2006-06-22 Roger Sayle <roger@eyesopen.com>
295 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
298 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
299 call to lang_hooks.types.type_for_mode returned NULL_TREE.
301 2006-06-23 Ben Elliston <bje@au.ibm.com>
303 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
304 negate dn -- manipulate it directly.
306 2006-06-22 Roger Sayle <roger@eyesopen.com>
307 Steven Bosscher <stevenb.gcc@gmail.com>
310 * reload1.c (gen_reload): Call mark_jump_label on the new insns
311 generated by gen_move_insn to add REG_LABEL notes if necessary.
313 2006-06-22 Bob Wilson <bob.wilson@acm.org>
315 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
316 (leaf_entry): Remove use of MIN_ESA.
318 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
320 PR rtl-optimization/28121
321 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
324 2006-06-21 DJ Delorie <dj@redhat.com>
326 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
328 (mulhisi3_r): Likewise.
330 2006-06-21 Richard Sandiford <richard@codesourcery.com>
333 * coverage.c (coverage_counter_alloc): Leave the index type
335 (coverage_counter_alloc): Use null arguments for operands 2 and 3
338 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
340 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
341 section from the "Options for Code Generation Conventions".
343 2006-06-21 Richard Henderson <rth@redhat.com>
347 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
349 (global_symbolic_operand): Allow weak symbols, even if local_p.
351 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
353 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
354 (find_interesting_uses_address): Punt if above function returns true.
356 2006-06-21 Richard Guenther <rguenther@suse.de>
358 * configure: Regenerated.
360 2006-06-21 Joseph Myers <joseph@codesourcery.com>
362 * config/mips/mips.c (function_arg): Where one part of a
363 complex argument is in registers and the other part in the stack,
364 return a REG not a PARALLEL.
366 2006-06-21 Mark Mitchell <mark@codesourcery.com>
368 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
369 when cross-compiling. Do not substitute libstdcxx_incdir.
370 * configure: Regenerated.
372 2006-06-21 Jakub Jelinek <jakub@redhat.com>
374 * varasm.c (mergeable_string_section): Check for embedded NULs and
375 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
376 rather than TREE_STRING_LENGTH bytes.
378 2006-06-21 Richard Guenther <rguenther@suse.de>
380 * ggc-page.c (extra_order_size_table): Add var_ann_d,
381 tree_ssa_name, bitmap_element and phi_node with 4 arguments
384 2006-06-21 Richrad Guenther <rguenther@suse.de>
386 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
387 Limit iteration over the dominators.
389 2006-06-20 Roger Sayle <roger@eyesopen.com>
391 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
392 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
394 2006-06-20 Richard Guenther <rguenther@suse.de>
395 Michael Matz <matz@suse.de>
397 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
399 * alloc-pool.c (free_alloc_pool_if_empty): New function.
400 * et-forest.h (et_free_pools): Prototype new function.
401 * et-forest.c (et_free_tree_force): Free parent occurrence.
402 (et_free_pools): New function.
403 * dominance.c (free_dominance_info): Free et-forest alloc
406 2006-06-20 Roger Sayle <roger@eyesopen.com>
408 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
409 integer modes, attempt to directly construct an integer constant.
411 * fold-const.c (native_encode_vector): Determine the size of each
412 element from the vector type instead of the first vector element.
414 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
415 if all of its elements/components are constant.
416 (build_constructor_from_list): Likewise.
418 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
420 PR tree-optimization/27331
421 * tree-data-ref.c (free_data_ref): New function.
422 (create_data_ref): Fail if the data reference has unknown access
424 (free_data_refs): Use free_data_ref.
426 2006-06-19 Andrew Pinski <pinskia@gmail.com>
429 * tree-inline.c (setup_one_parameter): Strip useless
430 type conversion before adding it to the IR.
431 (declare_return_variable): Likewise.
433 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
436 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
438 2006-06-19 Mike Stump <mrs@apple.com>
440 * tree.c (variably_modified_type_p): VM arguments don't make the
443 2006-06-19 Richard Guenther <rguenther@suse.de>
445 * tree-ssa-pre.c (try_combine_conversion): Strip useless
446 type conversions after folding.
448 2006-06-19 Richard Guenther <rguenther@suse.de>
450 * ggc-page.c (extra_order_size_tab): Add entries with
451 size of struct function and basic_block.
452 (size_lookup): Extend to cover sizes up to 511.
453 (ggc_alloc_stat): Adjust user.
454 (ggc_pch_count_object): Likewise.
455 (ggc_pch_alloc_object): Likewise.
456 (ggc_pch_write_object): Likewise.
458 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
460 * tree-ssa-loop-niter.c (implies_ge_p): New function.
461 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
464 2006-06-19 Denis Chertykov <denisc@overta.ru>
466 * config/avr/libgcc.S : Correct my wrong previous commit.
468 2006-06-19 Roger Sayle <roger@eyesopen.com>
471 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
472 have stripped a SUBREG from the shift count, so we may need to
473 convert_to_mode back to the type's mode before calling make_tree.
474 Use new_amount instead of amount to avoid expanding a tree twice.
476 2006-06-19 Richard Guenther <rguenther@suse.de>
479 * fold-const.c (operand_equal_p): Check if the argument types
480 have the same precision before stripping NOPs.
482 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
484 Fix PR tree-optimization/27341
485 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
487 * tree-complex.c (pass_lower_complex): Update SMT usage.
489 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
491 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
492 Add a new alternative to the constraint strings. Add move of
493 operand 1 to 3 to the splitter definition.
494 ("doloop_si_long"): Second contraint alternative removed.
496 2006-06-08 Anatoly Sokolov <aesok@post.ru>
498 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
499 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
501 (AVR_HAVE_MOVW) Define.
502 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
503 (ASM_SPEC): Add avr25.
504 (LINK_SPEC): Add avr25.
505 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
506 (base_arch_s): Add new member 'have_movw_lpmx'.
507 (avr_arch_types): Init 'have_movw_lpmx'.
508 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
509 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
510 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
511 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
512 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
514 (avr_file_start): Do not output '.arh' derective.
515 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
516 (__do_copy_data): Use __AVR_HAVE_LPMX__.
517 * config/avr/avr.md (mcu_enhanced): Delete.
518 (mcu_have_movw): Define.
519 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
520 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
521 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
522 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
523 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
524 attiny861 and at86rf401 devices.
526 2006-06-18 Jie Zhang <jie.zhang@analog.com>
528 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
531 2006-06-17 Karl Berry <karl@gnu.org>
533 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
534 doc/gccint.texi, doc/install.texi (@dircategory): Use
535 "Software development" instead of "Programming", following
536 the Free Software Directory.
538 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
540 * config/i386/i386.c (legitimate_tls_address)
541 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
542 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
543 (*tls_dynamic_gnu2_combine_64): Likewise.
545 2006-06-16 Richard Guenther <rguenther@suse.de>
548 * fold-const.c (negate_expr_p): Do not introduce undefined
549 overflow in negating INTEGER_CSTs.
550 (fold_negate_expr): Rename from negate_expr. Revert last
551 change for folding BIT_NOT_EXPR. Change semantics to
552 return NULL_TREE for non-simplified negations. Do not
553 strip type conversions and unify type handling.
554 (negate_expr): New function, wrap around fold_negate_expr
555 but ensure building a tree always. Strip type conversions
556 here, fold to result type.
557 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
559 2006-06-16 Roger Sayle <roger@eyesopen.com>
562 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
563 that (would) return their results in stack registers.
565 2006-06-16 Michael Matz <matz@suse.de>
566 Richard Guenther <rguenther@suse.de>
568 * fold-const.c (fold_truthop): Only return new tree node if
569 we canonicalized something.
571 2006-06-16 Richard Guenther <rguenther@suse.de>
573 * function.h (enum function_frequency): Move declaration
574 out of struct function.
575 (struct function): Move bool fields and the enum to the bitfield
576 section. Reorder elements to avoid padding. Remove unused
577 fields left over from the RTL inliner removal.
578 * function.c (free_after_compilation): Do not zero removed fields.
579 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
580 (ipa-type-escape.o): Likewise.
582 2006-06-16 Richard Guenther <rguenther@suse.de>
584 * cgraph.h (struct cgraph_local_info): Turn bool elements
586 (struct cgraph_node): Likewise.
587 (struct cgraph_varpool_node): Likewise.
589 2006-06-15 Richard Guenther <rguenther@suse.de>
591 * fold-const.c (fold_truth_not_expr): Rename from
592 invert_truthvalue. Give it fold_* semantics to avoid
594 (invert_truthvalue): New function. Wrapper around
596 (optimize_minmax_comparison): Avoid creating garbage.
597 (fold_unary): Use fold_truth_not_expr for folding
599 (fold_ternary): Replace uses of invert_truthvalue with
600 fold_truth_not_expr where applicable.
601 * tree.h (fold_truth_not_expr): Prototype.
603 2006-06-16 Richard Guenther <rguenther@suse.de>
605 PR tree-optimization/27781
606 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
607 * ipa-pure-const.c (target.h): Include.
608 (analyze_function): Do not analyze functions that do not
611 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
614 * tree-dfa.c (referenced_vars_dup_list): Remove.
615 (find_referenced_vars): Remove assert.
616 (referenced_var_check_and_insert): Replace dup list with assert.
617 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
618 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
620 2006-06-15 Richard Guenther <rguenther@suse.de>
622 * tree-ssa-structalias.c (alias_get_name): Avoid creating
623 extra unused identifiers if not dumping.
624 (create_variable_info_for): Likewise.
626 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
628 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
629 (derive_constant_upper_bound): Derive more precise upper bound in
630 common cases. Return type changed to double_int.
631 (record_estimate): Reflect the changed return type of
632 derive_constant_upper_bound.
633 * double-int.c (double_int_zext, double_int_sext): Fix.
635 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
637 * configure.ac (CFLAGS): Get them from the toplevel or from the
638 configure invocation.
639 * configure: Regenerate.
640 * Makefile.in (CFLAGS): Substitute value provided by configure.
642 2006-06-14 Mark Mitchell <mark@codesourcery.com>
645 * c-common.h (c_finish_omp_atomic): Adjust declaration.
646 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
647 rather than calling add_stmt on it.
648 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
650 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
653 * reload1.c (reload): Remove registers returned by update_eliminables
654 from used_spill_regs.
656 2006-06-13 DJ Delorie <dj@redhat.com>
658 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
660 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
662 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
663 html__strip_dir, html__mkdir_p. Enhance install-html target.
664 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
665 * configure: Regenerate.
667 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
669 * fold-const.c (fold_cond_expr_with_comparison): Check for
670 Objective-C++ as language in deciding COND_EXPR transformation.
672 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
675 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
676 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
677 * config/sh/lib1funcs.h (SL, SL1): Define.
678 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
679 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
680 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
681 (OBJS_Os_4_200): New variable.
682 ($(T)libgcc-Os-4-200.a): Use it.
683 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
684 when dividing 1 and/or by 0.
686 2006-06-13 Roger Sayle <roger@eyesopen.com>
688 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
689 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
690 * configure: Regenerate.
692 2006-06-13 Jie Zhang <jie.zhang@analog.com>
694 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
695 for real instruction.
697 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
700 * haifa-sched.c (check_cfg): Handle special case.
702 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
705 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
706 Add debug_info parameter. Chain the vars to the BLOCK instead
707 of the BIND_EXPR if debug info are requested for them.
708 (pop_gimplify_context): Adjust for above change.
709 (gimple_add_tmp_var): Likewise.
710 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
712 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
713 (convert_local_reference): Likewise.
714 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
715 (finalize_nesting_tree_1): Request that debug info be emitted
718 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
720 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
723 2006-06-13 Richard Guenther <rguenther@suse.de>
726 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
728 2006-06-13 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/27830
731 * tree-inline.c (copy_body_r): For copying the operand
732 of an ADDR_EXPR make sure to fold &* afterwards.
734 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
736 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
737 lvalues in the fb_none case with side-effects.
739 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
741 * tree-flow.h: Remove the prototype for
742 compute_phi_arg_on_exit.
743 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
744 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
747 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
749 * builtins.c (expand_builtin_return_addr): Only use
750 frame_pointer_rtx when count == 0 and we are expanding
751 __builtin_return_address.
753 2006-06-12 Fred Fish <fnf@specifix.com>
755 * config/mips/mips.c (mips_file_start): Create special section
756 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
758 2006-06-11 Eric Christopher <echristo@apple.com>
761 * stor-layout.c (place_field): Remove check for
762 remaining_in_alignment when aligning at the end of a run.
764 2006-06-11 Eric Christopher <echristo@apple.com>
767 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
770 2006-06-11 Roger Sayle <roger@eyesopen.com>
773 Revert incorrect fix for PR target/27158
774 2006-05-08 Roger Sayle <roger@eyesopen.com>
775 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
776 of a reg_equiv_constant if the result is a legitimate constant.
778 2006-06-11 Roger Sayle <roger@eyesopen.com>
781 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
782 extract a CONST_VECTOR element and interpret it as an integer.
783 (vspltis_constant): Use const_vector_elt_as_int instead of the
784 macro CONST_VECTOR_ELT in order to handle FP vector modes.
785 * config/rs6000/predicates.md (easy_vector_const): Consider
786 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
788 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
791 * stor-layout.c (update_alignment_for_field): Don't add extra
792 alignment for packed non-bitfield fields in ms_bitfield_layout_p
795 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
797 * config/mips/t-rtems: Add EL/EB multilib variants.
799 2006-06-09 Mike Stump <mrs@apple.com>
801 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
803 2006-06-09 David Daney <ddaney@avtrex.com>
805 * doc/install.texi: Add binutils version recommendation for mips-*-*.
807 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
809 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
811 2006-06-09 Richard Guenther <rguenther@suse.de>
813 PR tree-optimization/26998
814 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
815 of signed types, only TYPE_MIN_VALUE is special, but for both,
816 minimum and maximum value. Likewise VR_ANTI_RANGE is special
817 in this case, as is -fwrapv.
819 2006-06-08 Mike Stump <mrs@apple.com>
822 * config/darwin.c (darwin_asm_output_anchor): Disable
823 -fsection-anchors on darwin for now.
824 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
825 * rs6000/rs6000.c (optimization_options): Likewise.
827 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
830 * config/i386/i386.c (classify_argument): Skip fields with invalid
833 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
835 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
836 (cse_insn): Likewise for the stack_pointer_rtx.
838 2006-06-08 Roger Sayle <roger@eyesopen.com>
840 * tree-ssa-dom.c (record_conditions): Only record "unordered"
841 conditions from floating point comparisons.
843 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
846 * expmed.c (struct alg_hash_entry): Fix type of field T
847 to match synth_mult argument.
848 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
850 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
853 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
856 2006-06-08 Richard Guenther <rguenther@suse.de>
859 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
860 only, if overflow is defined and not trapping.
861 (negate_expr): Likewise.
863 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
865 PR tree-optimization/27872
866 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
867 flag on the new exit edge of the unrolled loop.
869 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
871 PR rtl-optimization/26449
872 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
874 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
877 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
878 referenced_variables with matching DECL_UID's.
879 (find_referenced_vars): Make sure duplicate list is empty to start.
880 (referenced_var_p): Remove.
881 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
882 Check if var is in the list, and add if needed. Update the duplicate
883 list if a different var is in the list with the same DECL_UID.
884 (add_referenced_var): Call routine to check and insert.
885 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
886 * tree-flow.h (referenced_vars_dup_list): External declaration.
888 2006-06-07 Fred Fish <fnf@specifix.com>
890 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
893 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
896 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
897 the imaginary and real parts of a clobbered register.
898 Emit insn to set the imaginary part.
900 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
902 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
903 in lieu of unwind-dw2-fde.c.
905 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
907 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
909 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
912 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
913 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
914 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
915 V4SImode temporaries and operations instead.
917 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
919 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
922 2006-06-06 Mike Stump <mrs@apple.com>
924 * Makefile.in: Rename to htmldir to build_htmldir to avoid
925 installing during build.
927 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
929 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
931 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
932 * config/ia64/ia64.c (params.h): New header.
933 (ia64_optimization_options): New function to adjust parameters.
934 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
935 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
936 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
938 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
940 * stor-layout.c (debug_rli): Fix a typo in a debug message.
942 2006-06-05 Steve Ellcey <sje@cup.hp.com>
945 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
947 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
948 Victor Kaplansky <victork@il.ibm.com>
950 PR tree-optimization/26360
951 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
954 2006-06-04 Roger Sayle <roger@eyesopen.com>
955 Andrew Pinski <pinskia@physics.uc.edu>
958 * c-common.c (c_common_truthvalue_conversion): Explicitly check
959 for LABEL_DECL before calling DECL_WEAK.
962 * c-typeck.c (build_binary_op): Likewise, explicitly check for
963 LABEL_DECL and PARM_DECL.
965 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
969 * c-decl.c (grokdeclarator): Disallow variably modified types at
970 file scope. Avoid marking shared array type of constant size as
973 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
976 * c-common.c (fold_offsetof_1): Handle static members.
978 2006-06-04 Eric Christopher <echristo@apple.com>
980 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
981 (debug_rli): Output value for remaining_in_alignment.
982 (update_alignment_for_field): Unconditionalize
983 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
984 extra alignment code.
985 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
986 ms_bitfield_layout_p code. Rewrite handling of structure fields.
987 * tree.h (record_layout_info_s): Remove prev_packed.
988 * doc/extend.texi (ms_struct): Add documentation of format.
990 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
992 * tree.h: Declare folding_initializer.
993 * builtins.c (fold_builtin_constant_p): Give definite answer
994 if folding inside an initializer.
995 * fold-const.c: Define folding_initializer.
996 (START_FOLD_INIT): Save and then set folding_initializer.
997 (END_FOLD_INIT): Restore folding_initializer.
999 2006-06-04 Richard Guenther <rguenther@suse.de>
1001 PR tree-optimization/27039
1002 * fold-const.c (fold_comparison): Handle pointer comparison
1003 again for all comparison codes. Compare offsets in signed
1005 (fold_binary): Move code from here.
1007 2006-06-03 Roger Sayle <roger@eyesopen.com>
1010 * config/i386/i386.c (construct_container): Split static issued_error
1011 flag into issued_sse_arg_error, issued_sse_ret_error and
1012 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1013 requires the use of x87 registers and the user explicitly
1014 specified the -mno-80387 command line option.
1016 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1018 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1019 HAVE_DECL_SIGALTSTACK.
1021 (segv_handler): Use MC_FLD.
1022 * configure.ac: Check for a sigaltstack declaration.
1023 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1024 * configure: Regenerate.
1025 * config.in: Regenerate.
1027 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1030 * Makefile.in (stmp-fixinc): Fix typo.
1032 2006-06-02 Roger Sayle <roger@eyesopen.com>
1034 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1035 are type correct. Clean-up.
1036 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1037 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1039 2006-06-01 DJ Delorie <dj@redhat.com>
1041 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1042 shift, as we've disabled the "switch" insn that needs it.
1044 2006-06-01 Per Bothner <bothner@bothner.com>
1046 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1047 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1048 * c-ppoutput.c (cb_define): Don't increment line 0.
1050 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1052 * doc/invoke.texi: Add cpu_type power6.
1053 * config.gcc: Add cpu_type power6.
1054 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1055 to power5+ with Altivec.
1056 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1057 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1059 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1061 * config/avr/avr.h (SET_ASM_OP): Define.
1063 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1065 * config/bfin/bfin.c: Fix comment typos.
1067 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1070 * doc/install.texi: Document --enable-bootstrap and
1071 --disable-bootstrap.
1073 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1075 * doc/install.texi: Document that InfoZIP can replace jar.
1077 2006-05-31 Roger Sayle <roger@eyesopen.com>
1079 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1080 isn't available, directly generate the simpler x87 patterns without
1081 the (use (const_int 0)).
1082 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1083 implementation isn't available.
1084 (*negdf2_1): Likewise.
1085 (*negxf2_1): XF mode negation is always done using the x87.
1086 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1088 2006-05-31 Roger Sayle <roger@eyesopen.com>
1090 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1091 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1093 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1095 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1097 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1098 * config/bfin/bfin.c (basic-block.h): Include.
1099 (struct machine_function): New.
1100 (bfin_init_machine_status): New.
1101 (override_options): Initialize init_machine_status.
1102 (bfin_hardware_loop): New.
1103 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1104 (DEF_VEC_P (loop_info)): New.
1105 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1106 (struct loop_info): New.
1107 (loop_info): New typedef.
1108 (struct loop_work): New.
1109 (loop_work): New typedef.
1110 (DEF_VEC_O (loop_work)): New.
1111 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1112 (bfin_dump_loops): New.
1113 (bfin_bb_in_loop): New.
1114 (bfin_scan_loop): New.
1115 (bfin_optimize_loop): New.
1116 (bfin_reorg_loops): New.
1117 (bfin_reorg): Use bfin_reorg_loops.
1118 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1120 (I_REGNO_P): Simplify.
1121 (DP_REGNO_P, DPREG_P): New macros.
1122 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1123 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1124 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1125 Add LT_REGS, LC_REGS, LB_REGS.
1126 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1128 (REGNO_REG_CLASS): Deal with loop registers.
1129 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1131 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1132 New constants for loop registers.
1133 (UNSPEC_LSETUP_END): New.
1134 (seq_insns): New define_attr. Set it for appropriate insns.
1135 (movsi_insn): Add alternatives for move from/to
1136 loop count registers.
1137 (doloop_end): New define_expand.
1138 (loop_end): New define_insn.
1139 (define_split for bad doloop_end): New.
1140 (lsetup_with_autoinit): New define_insn.
1141 (lsetup_without_autoinit): New define_insn.
1142 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1143 * config/bfin/predicates.md (lc_register_operand): New.
1144 (lt_register_operand): New.
1145 (lb_register_operand): New.
1146 (nondp_register_operand): New.
1147 (nondp_reg_or_memory_operand): New.
1148 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1150 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1152 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1153 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1155 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1157 * Makefile.in (CATALOGS): Add po/ prefix.
1158 * configure: Regenerated.
1160 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1163 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1164 a shift operand before calling shift_op. Avoid redundant call of
1167 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1168 DJ Delorie <dj@redhat.com>
1170 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1171 we're inserting is a singlt-bit constant.
1173 2006-05-30 Roger Sayle <roger@eyesopen.com>
1175 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1176 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1178 2006-05-30 Roger Sayle <roger@eyesopen.com>
1180 PR tree-optimization/23452
1181 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1182 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1183 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1184 complex values and with -ffast-math for FP complex values.
1186 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1188 * c-common.h: Remove the prototype for yyparse.
1189 * rtl.h: Remove the prototype for init_loop.
1191 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1193 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1196 2006-05-30 Roger Sayle <roger@eyesopen.com>
1198 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1200 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1201 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1203 2006-05-30 Dirk Mueller <dmueller@suse.de>
1206 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1207 for CONSTANT_CLASS_P expresisons.
1209 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1212 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1214 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1216 PR tree-optimization/27779
1217 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1218 initial_condition instead of CHREC_LEFT.
1220 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1222 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1223 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1224 Make prototypes ISO C90.
1226 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1227 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1229 * see.c (see_analyze_one_def): Correct check.
1230 (see_get_extension_data): Check if extension is parallel.
1231 (see_get_extension_reg): Likewise.
1233 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1236 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1237 into register for (code == GTU).
1239 2006-05-29 Roger Sayle <roger@eyesopen.com>
1241 PR tree-optimization/24964
1242 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1243 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1244 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1245 abs(x)*abs(x) as x*x for scalar floating point modes.
1247 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1250 * lambda-code.c (perfect_nestify): Don't copy statements
1251 in the inner loop: move them to the inner loop header.
1253 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1256 * c-tree.texi: Document OpenMP directives and clauses.
1258 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1260 * varasm.c (globalize_decl): Fix indentation.
1262 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1265 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1266 pass_fre, pass_store_ccp, pass_copy_prop,
1267 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1268 pass_return_slot, pass_object_size, pass_lim,
1269 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1270 pass_loop_prefetch and pass_stdarg.
1272 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1274 * config/bfin/bfin.opt (mfdpic): New option.
1275 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1276 (EXTRA_MULTILIB_PARTS): Likewise.
1277 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1278 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1280 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1281 (CRT_CALL_STATIC_FUNCTION): New.
1282 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1284 (CRT_CALL_STATIC_FUNCTION): New.
1285 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1287 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1288 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1289 (initialize_trampoline): Changed to handle FD-PIC code generation.
1290 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1291 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1292 (override_options): Disallow -mid-shared-library -mfdpic combination.
1293 Can't do unaligned ops if FD-PIC.
1294 Turn off flag_pic if trying to generate non-id-shared-library
1295 non-fdpic code, since it's not supported.
1296 (bfin_assemble_integer): New function.
1297 (TARGET_ASM_INTEGER): Define.
1298 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1300 * config/bfin/crtn.s: Restore them.
1301 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1303 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1304 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1305 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1306 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1307 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1309 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1310 FDPIC_REGS and FDPIC_FPTR_REGS.
1311 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1312 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1313 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1314 (load_funcdescsi): New pattern.
1315 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1316 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1317 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1319 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1321 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1324 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1326 * tree-flow.h: Remove the prototype for add_type_alias.
1327 * tree-ssa-alias.c (add_type_alias): Remove.
1329 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1331 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1332 config/fr30/fr30.md, config/i386/i386-interix.h,
1333 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1334 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1335 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1336 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1337 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1338 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1339 Follow spelling conventions.
1340 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1341 Follow spelling conventions.
1343 2006-05-27 Richard Guenther <rguenther@suse.de>
1346 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1347 to produce a constant of value 1 of generic type.
1349 2006-05-27 Dirk Mueller <dmueller@suse.de>
1351 * cgraphunit.c (decide_is_function_needed): Fix wrong
1354 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1356 PR rtl-optimization/27661
1357 * reload.c (find_reloads): When reloading a VOIDmode constant
1358 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1359 use Pmode as mode of the reload register.
1361 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1363 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1364 is enabled at -O and above.
1366 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1369 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1372 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1375 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1376 for anonymous variables explicitly declared by front ends.
1378 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1380 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1381 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1382 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1383 ref-all pointers, run a finalization pass for them.
1384 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1385 (finalize_ref_all_pointers): New function.
1386 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1387 regular pointer type to a ref-all pointer type.
1388 (get_tmt_for): Return the special memory tag for ref-all pointers.
1390 2006-05-25 Richard Guenther <rguenther@suse.de>
1393 * fold-const.c (fold_binary): Do not look at the stripped
1394 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1396 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1398 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1399 for LT and GT if the computed range is effectively empty.
1401 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1404 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1405 mips_quad_format formats instead of ieee_single_format,
1406 ieee_double_format and ieee_quad_format formats, respectively.
1408 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1410 PR tree-optimization/27639
1411 PR tree-optimization/26719
1412 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1413 call to scev_probably_wraps_p.
1414 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1415 used_in_pointer_arithmetic_p, convert_step): Removed.
1416 (nowrap_type_p): New function.
1417 (scev_probably_wraps_p): Rewritten.
1418 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1419 chrec_convert if chrec_convert_aggressive might have been used.
1420 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1421 scev_direction): New functions.
1422 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1423 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1424 instead of convert_step.
1425 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1426 (convert_step): Declaration removed.
1427 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1429 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1431 * df-core.c: Added to header comments.
1432 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1433 df_ur_bb_info, df_urec_bb_info): Added comments.
1434 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1435 urec, ri problems): Fixed header comments.
1436 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1437 code from df_rd_transfer_function.
1439 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1441 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1442 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1443 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1445 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1447 * expr.c (undefined_operand_subword_p): New.
1448 (emit_move_multi_word): Do not generate move from undefined bits
1449 of a paradoxical subreg.
1451 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1453 PR rtl-optimization/27736
1454 * combine.c (replaced_rhs_value): New variable.
1455 (combine_instructions): Set it.
1456 (distribute_notes): When distributing a note in replaced_rhs_insn,
1457 check whether the value was used in replaced_rhs_value.
1459 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1462 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1463 add_referenced_var instead of add_referenced_tmp_var.
1464 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1465 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1467 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1468 tree_optimize_tail_calls_1): Use add_referenced_var.
1469 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1470 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1471 Use add_referenced_var.
1472 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1473 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1474 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1475 Use add_referenced_var.
1476 * tree-dfa.c (struct walk_state): Remove.
1477 (find_referenced_vars): Remove walk state and vars_found hash table.
1478 (make_rename_temp): Use add_referenced_var.
1479 (find_vars_r): Pass less parameters to add_referenced_var.
1480 (referenced_var_p): New. Is var in referenced_var hash table.
1481 (referenced_var_insert): Assert var isn't already in hash table.
1482 (add_referenced_var): Don't need walk_state parameter. Add var if it
1483 isn't already in the hash table.
1484 (add_referenced_tmp_var): Remove.
1485 (find_new_referenced_vars_1): Use add_referenced_var.
1486 * tree-ssa-pre.c (create_expression_by_pieces,
1487 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1488 Use add_referenced_var.
1489 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1490 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1491 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1493 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1494 vect_create_data_ref_ptr, vect_create_destination_var,
1495 vect_init_vector, vect_build_loop_niters,
1496 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1497 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1498 Use add_referenced_var.
1499 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1500 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1501 (add_referenced_var): Add prototype.
1502 * tree-ssa-structalias.c (get_constraint_for,
1503 intra_create_variable_infos): Use add_referenced_var.
1505 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1507 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1508 big-endian paradoxical subregs.
1509 * var-tracking.c (struct micro_operation_def): Document that,
1510 for modify micro operations, insn is the subsequent instruction.
1511 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1512 (var_reg_set, var_mem_set): ... new functions.
1513 (add_stores): Record subsequent insn.
1514 (compute_bb_dataflow): Use new functions for MO_USE.
1515 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1516 notes after the insn, and modify notes before the insn known
1517 to be the subsequent one.
1518 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1520 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1523 * config/i386/i386.c (ix86_expand_builtin): Use
1524 gen_sse3_monitor64 for TARGET_64BIT.
1526 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1528 PR rtl-optimization/26375
1529 PR rtl-optimization/26855
1530 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1532 (df_ru_bb_local_compute): Reversed statements and removed bogus
1533 comment explaining why they should be in wrong order.
1534 (df_ru_dump, df_rd_dump): Enhanced debug info.
1535 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1537 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1538 reaching uses and fixed space problem.
1540 2006-05-23 Jan Hubicka <jh@suse.cz>
1542 * cgraphunit.c (decide_is_function_needed): Also nested functions
1543 and functions declared inline can be optimized out at -O0.
1545 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1547 * doc/install.texi (Configuration): Remove reference to CrossGCC
1551 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1554 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1555 ix86_compare_emitted is non-NULL.
1557 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1560 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1563 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1565 PR rtl-optimization/25514
1566 * combine.c (replaced_rhs_insn): New variable.
1567 (combine_instructions): Set replaced_rhs_insn when trying to replace
1568 a SET_SRC with a REG_EQUAL note.
1569 (distribute_notes): Use replaced_rhs_insn when determining the live
1570 range of a REG_DEAD register.
1572 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1573 Anatoly Sokolov <aesok@post.ru>
1575 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1576 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1577 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1578 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1579 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1580 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1581 at90usb647, at90usb1286 and at90usb1287 devices.
1582 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1583 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1585 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1587 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1589 2006-05-22 Richard Guenther <rguenther@suse.de>
1592 2006-01-31 Richard Guenther <rguenther@suse.de>
1593 Paolo Bonzini <bonzini@gnu.org>
1595 * doc/install.texi (--disable-libgcc-math): Document.
1597 2006-05-22 Richard Guenther <rguenther@suse.de>
1600 2006-01-31 Richard Guenther <rguenther@suse.de>
1602 * doc/invoke.texi (-msselibm): Document.
1603 * target.h (expand_library_builtin): New target hook.
1604 * builtins.c (expand_builtin): Use expand_library_builtin.
1605 (default_expand_library_builtin): New function.
1606 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1607 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1608 (link_gcc_math_spec): Declare.
1609 (static_specs): Add link_gcc_math_spec.
1610 * expr.h (default_expand_library_builtin): Declare.
1611 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1612 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1613 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1614 * config/i386/i386.opt (msselibm): New target option.
1615 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1616 (ix86_init_sse_abi_builtins): New function.
1617 (ix86_expand_library_builtin): Likewise.
1618 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1619 (override_options): Handle error conditions wrt -msselibm.
1620 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1621 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1622 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1625 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1628 * c-common.c (self_promoting_args_p): Skip erroneous args.
1631 * c-decl.c (finish_struct): Skip erroneous fields.
1633 2006-05-22 Nick Clifton <nickc@redhat.com>
1635 * config/cris/cris.opt (march): Remove VarExists attribute.
1636 (max-stackframe=): Likewise.
1638 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1640 * doc/rtl.texi: Fix a typo.
1641 * see.c: Fix comment typos.
1643 * tree-ssa-structalias.h (alias_info): Remove num_references.
1645 2006-05-21 Mike Stump <mrs@apple.com>
1647 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1649 (darwin_pragma_options): Use BAD instead.
1650 (darwin_pragma_unused): Likewise.
1651 (darwin_pragma_ms_struct): Likewise.
1653 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1655 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1657 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1659 PR rtl-optimization/27671
1660 * simplify-rtx.c (simplify_relational_operation_1): Fix
1661 simplifications of (eq/ne (xor x y) y) and
1662 (eq/ne (xor x y) x).
1664 PR tree-optimization/26622.
1665 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1668 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1670 * tree-cfg.c: Prune whitespace.
1671 (debug_tree_cfg): Point to correct header containing the
1674 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1677 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1679 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1682 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1683 or sorry count is non zero.
1685 2006-05-20 Andreas Schwab <schwab@suse.de>
1687 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1689 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1690 Kenneth Zadeck <zadeck@naturalbridge.com>
1692 PR rtl-optimization/26855
1694 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1696 (df_scan_alloc): Added code to properly handle multiword hard
1697 registers and add all_blocks parameter.
1698 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1699 code to properly handle multiword hard registers.
1700 (df_rescan_blocks): Added code to remove deleted blocks from
1702 (df_ref_create_structure, df_ref_record): Added code to properly
1704 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1705 and set DF_REF_PARTIAL.
1706 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1707 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1708 (df_scan_add_problem): Added flags parameter.
1709 (df_ref_create_structure): Changed switching structure.
1710 (df_bb_refs_record): Fixed case where duplicate artificial refs
1711 were created. Changed location of flags.
1712 (df_record_entry_block_defs): Added code to make stack pointer
1713 live in entry block. Refined cases where frame pointer is needed.
1714 Changed location of flags.
1715 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1716 (df_set_state): Removed function.
1717 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1718 df_insn_create_insn_record, df_insn_refs_delete,
1719 df_ref_create_structure): Formatting changes.
1720 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1721 df_delete_basic_block): New function.
1722 (df_init): Changed location of flags.
1723 (df_add_problem): Added flags parameter and the way flags are
1725 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1726 debug_df_chain): Improved debugging output.
1727 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1728 (df_refs_chain_dump): Removed df parameter.
1729 (df_iterative_dataflow): Added consistency check.
1730 (df_prune_to_subcfg): Made public.
1731 (df_analyze_problem): Added blocks_to_init parameter and made
1733 (df_ref_record, df_bb_refs_record, df_mark_reg,
1734 df_record_exit_block_uses): Whitespace changes.
1735 (df_dump): Whitespace changes.
1736 * df.h: Some reordering to remove forward references.
1737 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1738 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1739 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1740 (dataflow.flags): New field.
1741 (df.flag): Deleted field.
1742 (df_alloc_function): Added additional bitmap parameter.
1743 (df_dependent_problem_function): New type.
1744 (df_problem.changeable_flags): New field.
1745 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1746 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1747 (df_mw_hardreg): New struct.
1748 (DF_INSN_UID_MWS): New macro.
1749 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1751 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1752 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1753 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1754 (df_set_state): Removed function.
1755 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1756 * df-problems.c (df_chain_dump): Removed df parameter.
1757 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1758 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1760 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1761 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1762 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1763 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1764 DF_REF_MUST_CLOBBER cases.
1765 (df_ru_bb_local_compute_process_def,
1766 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1767 df_lr_bb_local_compute, df_ur_bb_local_compute,
1768 df_chain_create_bb): Made subreg aware.
1769 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1770 df_lr_bb_local_compute, df_lr_bb_local_compute,
1771 df_chain_create_bb): Cleanup to use proper macros.
1772 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1773 code to fixup bitvectors.
1774 (df_ri_alloc): Cleared lifetime.
1775 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1776 df_create_unused_note): New function.
1777 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1778 REG_DEAD and REG_UNUSED notes as well as register information.
1779 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1780 df_chains_dump): Fixed crash if problem was never run.
1781 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1782 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1783 df_ri_add_problem): Processes flags in uniform manner.
1784 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1785 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1786 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1787 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1788 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1789 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1790 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1791 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1792 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1793 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1794 * see.c (see_initialize_data): Ditto.
1795 * final.c (rest_of_clean_state) Added regstack_completed.
1796 * rtl.h (regstack_completed): Ditto.
1797 * reg-stack.c (regstack_completed): Ditto.
1799 2006-05-19 Mike Stump <mrs@apple.com>
1801 * c-tree.h (default_conversion): Remove.
1802 * c-common.h (default_conversion): Add.
1804 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1806 * tree-vrp.c (valid_value_p): New function.
1807 (adjust_range_with_scev): Fail if the value of bound is not
1810 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1812 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1813 (mips_fallback_frame_state): Use syscall numbers to determine
1814 the appropriate li instruction for the current ABI. Only use
1815 __NR_sigreturn for o32.
1817 2006-05-19 Nicolas Setton <setton@adacore.com>
1819 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1820 * langhooks.c (lhd_dwarf_name): New function.
1821 * langhooks-def.h (lhd_dwarf_name): Declare.
1822 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1823 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1824 * ada/misc.c (gnat_dwarf_name): New function.
1825 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1827 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1829 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1831 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1832 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1833 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1834 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1835 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1836 determine the size of Wtype, etc.
1837 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1838 (swfloatfuncs): New variable.
1839 (dwfloatfuncs): Likewise.
1840 (lib2funcs): Remove floating-point conversion functions from
1841 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1842 the set of conversion routines needed. Allow entries to specify
1843 an object name, filename and word size. Update users accordingly.
1844 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1845 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1849 2006-02-08 Roger Sayle <roger@eyesopen.com>
1852 * config/fixtfdi.c: New libgcc source file.
1853 * config/fixunstfdi.c: New source file.
1854 * config/floatditf.c: New source file.
1855 * config/floatunditf.c: New souce file.
1856 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1857 files above instead of config/mips/_tilib.c.
1858 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1860 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1862 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1863 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1865 2006-05-18 Mike Stump <mrs@apple.com>
1867 Fix up vla, vm and [*] sematics.
1873 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1874 (c_vla_unspec_p): Add.
1875 (c_vla_type_p): Add.
1876 * c-decl.c (struct c_scope): Add had_vla_unspec.
1877 (build_array_declarator): Add support for [*].
1878 (grokdeclarator): Likewise.
1879 (grokparms): Likewise.
1880 (get_parm_info): Likewise.
1881 * c-objc-common.c (c_vla_unspec_p): Likewise.
1882 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1883 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1884 typeof when argument is a variably modified type not inside sizeof or alignof.
1885 (c_parser_direct_declarator_inner): Propagate errors.
1886 (c_parser_sizeof_expression): Add support for [*].
1887 (c_parser_parms_declarator): Initialize had_vla_unspec.
1888 (c_parser_parms_list_declarator): Likewise.
1889 * c-typeck.c (c_vla_type_p): Add.
1890 (composite_type): Add support for vla compositing.
1891 (comptypes_internal): Add support for vla compatibility.
1892 (c_expr_sizeof_expr): Evaluate vla arguments.
1893 * tree.c (variably_modified_type_p): Update comment for [*].
1895 2006-05-18 Michael Matz <matz@suse.de>
1898 * config.host: Make assignments to host_xmake_file cumulative.
1899 * config.host (*-darwin*): Test $host, not $target.
1901 2006-05-12 Stuart Hastings <stuart@apple.com>
1903 * config/i386/i386.opt (-mstackrealign): New flag.
1904 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1905 (ix86_handle_cconv_attribute): Emit error when
1906 force_align_arg_pointer attribute collides with too many regparms.
1907 (ix86_function_regparm): Limit regparms when used with
1908 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1909 Support stack-realigning prologue in non-main functions. Emit
1910 warning for nested functions under -mstackrealign, emit error for
1911 nested functions with force_align_arg_pointer attribute.
1912 * doc/extend.texi (force_align_arg_pointer): Document it.
1913 * doc/invoke.texi (-mstackrealign): Document it.
1915 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1917 PR rtl-optimization/27477
1918 * combine.c (try_combine): Don't split a parallel consisting
1919 of two sets into two individual sets if both sets reference
1922 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1924 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1925 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1927 * doc/options.texi (VarExists): Updated.
1929 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1931 * unwind-dw2.c: Add declarations for uw_update_context and
1933 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1934 detected, advance frame state and context once to skip over stub.
1936 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1940 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1941 Call rewrite_into_loop_closed_ssa only when something changed.
1942 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1943 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1944 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1945 Test for perfect_nest_p here. Fix formating.
1946 (replace_uses_equiv_to_x_with_y): Fix formating.
1947 (stmt_uses_op): Removed.
1948 (can_convert_to_perfect_nest): Removed loopivs parameter.
1949 Complete the test by checking the scalar dependences.
1950 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1953 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1956 From Dan Kegel <dank@kegel.com>:
1957 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1959 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1961 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1962 if the element type is variably modified without recursing.
1964 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1967 * tree-loop-linear.c (try_interchange_loops): Test for
1968 no data dependences.
1970 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1972 PR tree-optimization/27548
1973 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1974 range of ssa names that appear on abnormal edges.
1975 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1976 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1978 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1981 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1983 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1986 * tree.h (OMP_PARALLEL_COMBINED): Define.
1987 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1988 (new_omp_context): Add is_combined_parallel argument.
1989 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1990 new_omp_context caller.
1991 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1992 Adjust gimplify_scan_omp_clauses callers.
1993 (omp_is_private): Issue errors if iteration variable is firstprivate
1994 or reduction in the current context.
1995 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1996 on combined parallel workshare constructs.
1998 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2000 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2001 (gcc-options.o): New rule.
2003 * optc-gen.awk: Protect variables for gcc-options.o with
2004 #ifdef GCC_DRIVER/#endif.
2006 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2008 Fix PR tree-optimization/27373
2009 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2010 (forward_propagate_addr_expr): Update call.
2012 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2014 * doc/options.texi: Move the Negative option.
2016 2006-05-16 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/22303
2019 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2021 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2022 ccp_fold did not simplify the statement.
2024 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2027 * Makefile.in (GCC_OBJS): New.
2028 (OBJS-common): Add opts-common.o.
2029 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2030 (cpp$(exeext)): Likewise.
2031 (gcc.o): Also depend on opts.h.
2032 (opts-common.o): New.
2034 * common.opt (gcoff): Add Negative(gdwarf-2).
2035 (gdwarf-2): Add Negative(gstabs).
2036 (gstabs): Add Negative(gstabs+).
2037 (gstabs+): Add Negative(gvms).
2038 (gvms): Add Negative(gxcoff).
2039 (gxcoff): Add Negative(gxcoff+).
2040 (gxcoff+): Add Negative(gcoff).
2041 * config/i386/i386.opt (m32): Add Negative(m64).
2042 (m64): Add Negative(m32).
2044 * doc/options.texi: Document the Negative option.
2046 * gcc.c: Include "opts.h".
2047 (main): Call prune_options after expandargv.
2049 * optc-gen.awk: Generate common declarations for all flag
2050 variables in options.c. Output the neg_index field.
2052 * opts.c (find_opt): Moved to ...
2053 * opts-common.c: Here. New file.
2055 * opts.h (cl_option): Add a neg_index field.
2057 (prune_options): Likewise.
2059 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2062 * omp-low.c (expand_omp_parallel): Don't assert
2063 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2064 instead search for it.
2067 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2070 2006-05-16 Andreas Schwab <schwab@suse.de>
2072 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2075 2006-05-15 Roger Sayle <roger@eyesopen.com>
2078 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2079 integer constants other than zero are only legitimate on TARGET_64BIT.
2080 <CONST_VECTOR> Only zero vectors are legitimate.
2081 (ix86_cannot_force_const_mem): Integral and vector constants can
2082 always be put in the constant pool.
2084 2006-05-16 DJ Delorie <dj@redhat.com>
2086 * crtstuff.c (__dso_handle): Set section from
2087 TARGET_LBIGCC_SDATA_SECTION if defined.
2088 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2089 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2091 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2094 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2097 2006-05-16 Ben Elliston <bje@au.ibm.com>
2099 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2101 2006-05-15 Per Bothner <per@bothner.com>
2103 * tree.c: (last_annotated_node): Use source_locus typedef.
2104 This permits bootstrapping with --enable-mapped-location.
2106 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2108 PR tree-optimization/26830
2109 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2110 (info_for_ssa_name, current_info_for_ssa_name_age,
2111 blocks_to_update): New variables.
2112 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2113 (clear_ssa_name_info, initialize_flags_in_bb,
2114 mark_block_for_update): New functions.
2115 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2116 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2117 prepare_def_site_for): Use mark_block_for_update.
2118 (mark_def_interesting): Assert that the processed block is marked in
2119 blocks_to_update. Do not take blocks argument.
2120 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2122 (rewrite_update_init_block, rewrite_update_stmt): Only process
2123 blocks with statements to rewrite.
2124 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2125 (update_ssa): Initialize and free blocks_to_update. Do not
2126 clear flags on statements. Do not use blocks bitmap.
2127 * tree.h (SSA_NAME_AUX): Removed.
2128 (struct tree_ssa_name): Removed aux field.
2129 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2131 2006-05-15 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/27603
2134 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2135 Do computations in original type.
2137 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2139 * see.c: Code style changes such as redundant paranthesis,
2140 redundant intialization of local variables etc.
2141 (see_main): Declared now as static.
2142 * doc/invoke.texi: Update that -fsee is not enabled by
2145 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2147 * omp-low.c (check_omp_nesting_restrictions): New function.
2148 (scan_omp_1): Call it.
2151 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2152 construct, return *VAR.
2154 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2156 PR rtl-optimization/27406
2157 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2160 2006-05-14 Roger Sayle <roger@eyesopen.com>
2162 PR rtl-optimization/27538
2163 * combine.c (expand_compound_operation): Call gen_lowpart
2164 before calling simplify_shift_const.
2166 2006-05-14 Roger Sayle <roger@eyesopen.com>
2168 PR rtl-optimization/22563
2169 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2170 a fixed width bitfield, always force the intermediates into psuedos.
2172 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2175 * mkconfig.sh: Use operator = instead of == for test.
2177 2006-05-13 Nick Clifton <nickc@redhat.com>
2179 * dwarf2out.c (dbx_reg_number): Check return value from
2180 LEAF_REG_REMAP and only use it if it is valid.
2181 (multiple_reg_loc_descriptor): Likewise.
2183 2006-05-13 Richard Guenther <rguenther@suse.de>
2185 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2188 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2190 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2191 information attached to non-INSNs such as NOTEs.
2192 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2194 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2196 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2198 * config/s390/s390.md: Adjust comment describing On constraint.
2200 2006-05-11 Jan Hubicka <jh@suse.cz>
2202 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2203 to be output at -O0.
2205 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2208 * fold-const.c (size_binop): Move sanity check for arguments to
2209 the beginning of the function.
2212 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2215 2006-05-11 Richard Guenther <rguenther@suse.de>
2218 * fold-const.c (fold_unary): Handle intermediate conversion
2219 to a pointer type like intermediate conversion to an integer
2220 type in folding of (T1)(T2)var to var.
2221 Match the code to the comment in the final conversion for
2222 (T1)(T2)var to (T1)var regarding to type precision. Rather
2223 than disallow T1 being of pointer type, assert that both T1
2224 and var are of pointer type or not. Make sure not to fall
2225 over the frontends lazyness wrt array to pointer decay though.
2227 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2229 * arm.c (arm_struct_value_rtx): Delete.
2230 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2231 (arm_init_cumulative_args): Always initialize nregs to zero.
2233 2006-05-10 Richard Guenther <rguenther@suse.de>
2235 PR tree-optimization/27532
2236 * tree-object-size.c (plus_expr_object_size): Fix typo.
2238 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2241 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2242 ashrdi_const, ashrdi3): Use a scratch register.
2244 2006-05-10 Richard Guenther <rguenther@suse.de>
2246 PR tree-optimization/27302
2247 * fold-const.c (operand_equal_p): For two comparisons,
2248 try comparison of one comparison code swapped if that yields
2251 2006-05-10 Ben Elliston <bje@au.ibm.com>
2253 * tree-pretty-print.c (pretty_print_string): No need to handle
2254 '\0' as a special character.
2256 * tree.h: Include "hashtab.h".
2257 (iterative_hash_expr): Use hashval_t in its prototype.
2258 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2260 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2263 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2264 (hppa*64*-*-hpux11*): Ditto.
2265 (hppa[12]*-*-hpux11*): Ditto.
2267 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2270 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2272 2006-05-09 Michael Matz <matz@suse.de>
2274 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2275 host_extra_gcc_objs and host_xmake_file.
2276 (<*-*-linux*>): Don't overwrite host_xmake_file.
2277 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2278 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2279 (host_detect_local_cpu): Declare.
2280 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2281 * config/i386/i386.c (override_options): Handle -mtune=native
2283 * config/i386/x-i386: New file.
2284 * config/i386/driver-i386.c: New file.
2285 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2288 2006-05-09 Dirk Mueller <dmueller@suse.de>
2289 Richard Guenther <rguenther@suse.de>
2292 * fold-const.c (fold_read_from_constant_string): Relax check
2293 for matching types to matching modes.
2295 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2297 PR rtl-optimization/27335
2298 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2301 2006-05-08 Chao-ying Fu <fu@mips.com>
2302 Richard Sandiford <richard@codesourcery.com>
2304 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2305 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2306 * config/mips/mips.md (UNSPEC_SCC): New constant.
2307 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2308 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2309 (mips_emit_compare): Use it.
2310 (mips_expand_vcondv2sf): New function.
2312 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2314 Fix PR tree-optimization/27093
2315 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2316 renaming when they become not-used_alone.
2318 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2320 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2321 relocation and relocation stubs.
2323 2006-05-08 Eric Christopher <echristo@apple.com>
2325 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2328 2006-05-08 Jan Hubicka <jh@suse.cz>
2331 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2332 unused static functions are needed.
2334 2006-05-08 Roger Sayle <roger@eyesopen.com>
2337 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2338 of a reg_equiv_constant if the result is a legitimate constant.
2340 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2343 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2344 standard 80387 constants, raise the cost to prevent
2345 compress_float_constant() to generate load from memory.
2347 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2349 * config/arm/constraints.md (c): Fix a typo.
2351 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2354 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2357 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2359 (_mm_mwait): Likewise.
2361 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2363 (sse3_monitor): Make it 32bit only.
2364 (sse3_monitor64): New. 64bit monitor.
2366 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2369 * config/i386/i386.c (classify_argument): Skip fields with invalid
2372 2006-05-07 Richard Guenther <rguenther@suse.de>
2374 PR tree-optimization/27409
2375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2376 Do not try to find zero-sized subvars.
2378 2006-05-07 Richard Guenther <rguenther@suse.de>
2380 PR tree-optimization/27136
2381 * tree-ssa-loop-niter.c (get_val_for): Correct function
2382 comment, assert requirements.
2383 (loop_niter_by_eval): Stop processing if the iterated
2384 value did not simplify.
2386 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2388 * opts.c (flag_see): remove its setting at -O3.
2390 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2392 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2393 * arm/constraints.md: New file.
2394 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2395 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2396 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2397 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2398 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2399 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2400 * arm.md: Include constraints.md.
2401 (thumb_movsi_insn): Use satisfies_constraint_J.
2402 (movhi, movqi): Use satisfies_constraint_I.
2404 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2406 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2407 for atmeg a645 device.
2409 2006-05-06 Richard Guenther <rguenther@suse.de>
2411 PR tree-optimization/27151
2412 * tree-vect-transform.c (vectorizable_condition): Punt on
2413 values that have a different type than the condition.
2415 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2418 * c-parser.c (c_parser_cast_expression): Only insert casts into
2419 hash table if pointer.
2420 * function.c (used_types_insert_helper): Rename from
2422 (used_types_insert): Call used_types_insert_helper.
2423 * function.h (used_types_insert): Accept only one argument.
2425 2006-05-05 David Edelsohn <edesohn@gnu.org>
2427 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2428 scratch with output modifier.
2430 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2433 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2434 with output modifier.
2436 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2439 * config/mips/mips.c (mips_symbolic_address_p): Return true
2440 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2441 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2443 2006-05-04 Richard Guenther <rguenther@suse.de>
2445 PR tree-optimization/14287
2446 PR tree-optimization/14844
2447 PR tree-optimization/19792
2448 PR tree-optimization/21608
2449 PR tree-optimization/27090
2450 * tree-ssa-pre.c (try_combine_conversion): New function.
2451 (compute_avail): After constructing the value-handle
2452 expression, use try_combine_conversion to combine NOP_EXPRs
2453 with previous value-handle expressions and use the result if it
2456 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2458 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2460 2006-05-04 Jan Hubicka <jh@suse.cz>
2463 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2465 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2467 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2468 that this only matches CONST_INTs. All users changed to VOIDmode
2471 * config/bfin/bfin.c: Include "optabs.h".
2472 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2474 (enum bfin_builtins): Add a number of fractional and vector builtins.
2475 (bfin_init_builtins): Likewise.
2476 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2477 (safe_vector_operand, bfin_expand_binop_builtin,
2478 bfin_expand_unop_builtin): New functions.
2479 (bfin_expand_builtin): Handle the new builtins.
2480 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2483 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2486 * Makefile.in (OBJS-common): Add see.o.
2487 (see.o): Add dependencies.
2488 * common.opt (fsee): New flag for the see optimization was added.
2489 * opts.c (flag_see): Initialized.
2490 * passes.c (init_optimization_passes, pass_see): New pass.
2491 * rtl.h (see_main): Declaration as extern.
2492 * timevar.def (TV_SEE): New.
2493 * tree-pass.h (pass_see): Declaration as extern.
2494 * invoke.texi (-fsee): Document.
2495 * recog.c (validate_simplify_insn): New function.
2496 * recog.h (validate_simplify_insn): Declaration as extern.
2497 * df-problems.c (df_chain_dump): Check for NULL.
2499 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2500 Daniel Berlin <dberlin@dberlin.org>
2502 * cfgrtl.c (insert_insn_bb_end_new): New function.
2503 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2505 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2507 * df.h (struct web_entry): Moved from web.c.
2508 (union_defs): Declaration as extern.
2509 (unionfind_root): Likewise.
2510 (unionfind_union): Likewise.
2511 * web.c (struct web_entry): Moved to df.h.
2512 (unionfind_root): Remove static declaration.
2513 (unionfind_union): Likewise.
2514 (union_defs): Likewise and generalize to use callback function.
2515 (web_main): Update arguments for union_defs function call.
2517 2006-05-04 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/26447
2520 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2521 produce SSA_NAME copies before the store stmt to avoid
2522 breaking exception handling.
2524 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2527 * gimplify.c (omp_is_private): If var is shared in some outer context,
2528 return false instead of true. Stop searching on parallel context
2531 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2534 * coverage.c: Use get_gcov_unsigned_t() instead of
2535 unsigned_type_node all over.
2537 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2539 PR tree-optimization/27381
2540 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2541 maintain the same immediate_use links.
2542 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2543 node rather than segfaulting.
2545 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2548 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2549 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2550 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2552 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2554 Fix PR tree-optimization/26626
2555 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2557 * tree-ssa-operands.c (access_can_touch_variable): Allow
2558 typecasting through union pointers.
2560 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2563 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2564 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2565 to find if var will be a global variable even in the nested context.
2566 (omp_copy_decl): Only check for global variable at the end, it might
2567 be overridden in outer contexts.
2568 (scan_sharing_clauses): For global variables don't create a field.
2569 (lower_rec_input_clauses): Do nothing for global shared variables.
2570 Emit a barrier at the end of ILIST if there were any decls in both
2571 firstprivate and lastprivate clauses.
2572 (lower_send_clauses): Do nothing for global variables except for
2575 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2577 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2578 of the correct signedness is returned.
2580 2006-05-02 Jeff Law <law@redhat.com>
2582 PR tree-optimization/27364
2583 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2584 multiply expressions.
2586 2006-05-02 Tom Tromey <tromey@redhat.com>
2588 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2590 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2593 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2594 -mthumb -fPIC are used.
2596 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2597 Joshua Kinard <kumba@gentoo.org>
2600 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2601 with 64-bit pointers.
2603 2006-05-02 Paul Brook <paul@codesourcery.com>
2605 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2607 (create_fix_barrier): Check that a suitable barrier location is
2609 (arm_reorg): Include ftmp->address in allowable range of addresses.
2611 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2614 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2617 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2620 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2621 around RESULT_DECL for result passed by reference.
2622 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2623 * omp-low.c (use_pointer_for_field): Don't look at
2624 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2625 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2626 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2627 time or var for passing by reference for
2628 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2629 TREE_ADDRESSABLE variables when passing by reference.
2631 * omp-low.c (dump_omp_region): Fix output formatting.
2634 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2635 (expand_omp_parallel): Likewise.
2636 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2639 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2640 on statement list containing also constructors and destructors.
2641 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2644 * except.c (duplicate_eh_regions): Fix clearing of
2645 cfun->eh->region_array entries.
2647 2006-05-01 DJ Delorie <dj@redhat.com>
2649 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2651 (gcc_cv_objdump): Likewise.
2652 * configure: Regenerated.
2654 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2657 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2658 templates for case 3 and 4.
2660 2006-05-01 DJ Delorie <dj@redhat.com>
2662 * vec.c: Include bconfig.h when appropriate.
2663 * Makefile.in (build/vec.o): Adjust dependencies.
2664 * mkconfig.sh: Make sure config.h isn't used for build machine
2667 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2669 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2671 (mark_phi_for_rewrite): New function.
2672 (insert_phi_nodes_for, mark_use_interesting): Call
2673 mark_phi_for_rewrite.
2674 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2675 (update_ssa): Initialize and free phis_to_rewrite.
2677 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2679 PR rtl-optimization/27291
2680 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2681 folded to a constant.
2683 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2685 PR tree-optimization/27283
2686 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2687 not whole # of iteration descriptions.
2688 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2689 uses abnormal ssa name.
2690 (niter_for_single_dom_exit): Ditto.
2691 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2692 return just the number of iterations.
2694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2696 PR tree-optimization/27144
2697 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2698 (record_estimate): Only record constant upper bound.
2699 (infer_loop_bounds_from_undefined): Call
2700 compute_estimated_nb_iterations just once.
2701 (proved_non_wrapping_p): Renamed to ...
2702 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2703 (convert_step_widening, scev_probably_wraps_p): Call
2704 n_of_executions_at_most instead of proved_non_wrapping_p.
2705 (substitute_in_loop_info): Do not replace values in bounds.
2706 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2709 2006-05-01 Richard Henderson <rth@redhat.com>
2712 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2713 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2716 2006-05-01 Roger Sayle <roger@eyesopen.com>
2718 * c-typeck.c (parser_build_binary_op): Don't call the function
2719 unsigned_conversion_warning to spot operand/result type overflow.
2720 (build_binary_op): Instead, call convert_and_check instead of
2721 convert to report the problem when the operands are promoted.
2722 * c-common.c (unsigned_conversion_warning): Make static.
2723 * c-common.h (unsigned_conversion_warning): Delete prototype.
2725 2006-05-01 Richard Guenther <rguenther@suse.de>
2727 PR tree-optimization/26726
2728 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2730 (find_interesting_uses_address): ... we work around here
2731 by folding INDIRECT_REFs in the substituted base.
2733 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2735 * omp-low.c (dump_omp_region): Add newlines.
2737 2006-04-30 Roger Sayle <roger@eyesopen.com>
2739 * common.opt (Woverflow): New command line option.
2740 * c-common.c (constant_expression_warning): Check warn_overflow.
2741 (overflow_waring): Pass OPT_Woverflow to warning.
2742 (unsigned_conversion_warning): Likewise.
2743 (convert_and_check): Likewise.
2744 * doc/invoke.texi: Document new command line option.
2746 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2748 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2749 TARGET_NO_FP_IN_TOC for section anchors.
2750 (optimization_options): Enable section anchors for all
2751 non-"Objective" languages.
2753 2006-04-28 Eric Christopher <echristo@apple.com>
2755 * config/darwin-c.c (darwin_ms_struct): Move this
2756 (darwin_set_default_type_attributes): and this...
2757 * config/darwin.c: ... here.
2758 * config/darwin.h (darwin_ms_struct): Declare.
2760 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2762 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2764 2006-04-28 Roger Sayle <roger@eyesopen.com>
2767 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2768 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2769 an unsigned HOST_WIDE_INT.
2770 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2772 (really_start_incremental_init): No need to call convert because
2773 bitsize_zero_node is already of type bitsizetype.
2774 (push_init_level): Extract the value of constructor_index as an
2775 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2776 (process_init_element): Likewise.
2778 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2780 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2781 value before passing to make_relative_prefix.
2783 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2786 * builtins.c (expand_builtin_memset): Expand val in original mode.
2788 2006-04-27 Eric Christopher <echristo@apple.com>
2790 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2791 with #ifndef/#endif.
2792 * config/darwin-c.c (darwin_ms_struct): New.
2793 (darwin_pragma_ms_struct): Ditto.
2794 (darwin_set_default_type_attributes): Ditto.
2795 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2796 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2797 Register ms_struct pragma.
2798 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2799 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2800 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2801 darwin_set_default_type_attributes if TARGET_MACHO.
2803 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2805 PR tree-optimization/26854
2806 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2807 * doc/tree-ssa.texi: Update immuse iterator documentation.
2808 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2810 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2811 first_safe_imm_use, next_safe_imm_use): Remove.
2812 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2813 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2814 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2815 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2816 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2817 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2818 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2819 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2820 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2821 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2822 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2823 (perfect_nestify): Use new iterator.
2824 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2826 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2827 (next_imm_name): New field in struct immediate_use_iterator_d.
2828 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2829 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2830 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2831 * tree-cfg.c (replace_uses_by): Use new iterator.
2832 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2833 * tree-ssa-operands.c (correct_use_link): Remove.
2834 (finalize_ssa_use_ops): No longer call correct_use_link.
2836 2006-04-27 Stuart Hastings <stuart@apple.com>
2838 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2839 * config/t-darwin (crt3.o): Use it.
2840 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2841 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2842 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2843 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2844 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2847 2006-04-27 Roger Sayle <roger@eyesopen.com>
2849 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2850 size, force the intermediate into a new pseudo rather instead of
2851 performing both a bitwise AND and a bitwise IOR in memory.
2853 2006-04-27 Richard Guenther <rguenther@suse.de>
2855 PR rtl-optimization/26685
2856 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2857 this one "max-flow-memory-locations".
2859 2006-04-27 Richard Guenther <rguenther@suse.de>
2861 PR tree-optimization/25148
2862 * tree-vrp.c (compare_values): Remove code dealing with
2863 comparisons against type min/max value. Honour overflow
2864 and negative constants in code dealing with comparisons
2865 of plus and minus expressions.
2866 (value_inside_range): Use fold_binary with LE_EXPR and
2867 GE_EXPR rather than compare_values.
2869 2006-04-27 Dirk Mueller <dmueller@suse.de>
2871 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2874 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2876 * basic-block.h (safe_insert_insn_on_edge): Removed.
2877 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2879 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2880 Paolo Bonzini <bonzini@gnu.org>
2883 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2884 (simplify_and_const_int): Same.
2886 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2888 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2890 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2893 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2894 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2895 cgraph_global_info_ready.
2898 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2901 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2902 either decl or init is error_mark_node.
2905 * tree-flow.h (struct omp_region): Add sched_kind.
2906 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2907 instead of extracting omp for data.
2908 (expand_omp_for): Save extracted sched_kind.
2910 2006-04-25 Roger Sayle <roger@eyesopen.com>
2912 * expmed.c (store_bit_field): Also check whether the bitsize is
2913 valid for the machine's "insv" instruction before moving the
2914 target into a pseudo for use with the insv.
2915 * config/i386/predicates.md (const8_operand): New predicate.
2916 * config/i386/i386.md (extv, extzv, insv): Use the new
2917 const8_operand predicate where appropriate.
2919 2006-04-25 DJ Delorie <dj@redhat.com>
2921 * doc/install.texi (Specific): Clarify that this is not a list of
2922 supported hosts or targets.
2924 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2926 PR rtl-optimization/26725
2927 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2928 block's BB_DIRTY flag.
2930 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2932 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2935 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2936 to print an integer.
2938 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2940 * varasm.c (align_variable): New function.
2941 (get_block_for_decl): Apply align_variable to DECL before
2942 calculating section information.
2943 (assemble_variable): Split out alignment computation.
2945 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2947 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2950 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2952 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2953 MODE_PARTIAL_INT mode.
2954 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2955 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2957 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2958 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2960 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2962 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2964 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2965 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2966 MACFLAG_IH): Likewise.
2967 (movstricthi_1): Renamed from "*movstricthi".
2968 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2969 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2970 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2971 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2972 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2973 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2974 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2975 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2976 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2977 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2978 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2979 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2980 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2981 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2982 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2984 * doc/rtl.texi (ss_ashift): Improve wording.
2986 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2988 * dwarf2out.c (verify_marks_clear): New.
2989 (prune_unused_types): Call verify_marks_clear initially, not
2992 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2994 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2995 * doc/rtl.texi: Document them.
2996 * simplify-rtx.c (simplify_unary_operation,
2997 simplify_binary_operation_1): Don't abort when we see them.
2999 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3002 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3003 * configure.ac: Completely disregard languages that are not
3005 * configure: Regenerated.
3007 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3008 Richard Guenther <rguenther@suse.de>
3010 PR tree-optimization/27236
3011 * tree-inline.c (copy_body_r): Make sure to copy
3012 TREE_THIS_VOLATILE flag.
3014 2006-04-24 Richard Guenther <rguenther@suse.de>
3017 * tree-complex.c (update_parameter_components): Don't handle
3018 unused parameters which have no default def.
3020 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3021 Richard Guenther <rguenther@suse.de>
3023 PR tree-optimization/27218
3024 * tree-inline.c (expand_call_inline): Strip useless type
3025 conversions for the return slot address.
3027 2006-04-24 Richard Guenther <rguenther@suse.de>
3029 * cfgloop.h (struct loops): Remove unused field array. Reorder
3031 (LOOP_PREFETCH): Remove.
3033 2006-04-24 Richard Guenther <rguenther@suse.de>
3035 PR tree-optimization/22525
3036 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3037 variable, adjust types of generated expressions.
3039 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3041 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3042 (tree-vect-patterns.o): Likewise.
3044 (cselib.o): Likewise.
3045 (loop-doloop.o): Likewise.
3046 (regclass.o): Likewise.
3047 (reload1.o): Likewise.
3048 (explow.o): Replace target.h with $(TARGET_H).
3049 (ipa-prop.o): Likewise.
3050 (ipa-cp.o): Likewise.
3051 (ipa-inline.o): Likewise.
3052 (reorg.o): Likewise.
3053 (reg-stack.o): Likewise.
3055 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3057 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3059 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3061 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3063 * configure.ac: Completely disregard languages that are not
3065 * configure: Regenerated.
3068 * c-common.h (c_build_bitfield_integer_type): Declare.
3069 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3070 * c-common.c (c_build_bitfield_integer_type): ... here.
3072 2006-04-23 Roger Sayle <roger@eyesopen.com>
3075 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3076 a SImode SUBREG of a floating point register after no_new_pseudos.
3078 2006-04-23 Roger Sayle <roger@eyesopen.com>
3080 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3081 identify potentially eliminable registers to additionally catch
3082 VIRTUAL_INCOMING_ARGS_REGNUM.
3083 (addsi3): Update the conditions on when to use addsi_small_int.
3085 2006-04-23 Roger Sayle <roger@eyesopen.com>
3088 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3089 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3090 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3092 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3094 * fold-const.c (range_predecessor): Use operand_equal_p
3095 as the predicate for equality.
3096 (range_successor): Likewise.
3098 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3101 * config/soft-fp/op-common.h: Fix a typo.
3103 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3106 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3107 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3111 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3113 * doc/tm.texi: Fix a typo.
3115 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3117 * dwarf2out.c (struct die_struct): Document that die_sib makes
3118 a circular linked list.
3119 (FOR_EACH_CHILD): New.
3120 (reverse_die_lists): Delete.
3121 (reverse_all_dies): Delete.
3122 (add_dwarf_attr): Correct documentation.
3123 (remove_child_with_prev): New.
3124 (remove_child_TAG): Update for change to die_struct, use
3125 remove_child_with_prev.
3126 (add_child_die): Update for change to die_struct.
3127 (splice_child_die): Use remove_child_with_prev and add_child_die.
3128 (print_die): Use FOR_EACH_CHILD.
3129 (die_checksum): Likewise.
3130 (assign_symbol_names): Likewise.
3131 (output_location_lists): Likewise.
3132 (build_abbrev_table): Likewise.
3133 (calc_die_sizes): Likewise.
3134 (mark_dies): Likewise.
3135 (unmark_dies): Likewise.
3136 (unmark_all_dies): Likewise.
3137 (output_die): Likewise.
3138 (prune_unused_types_mark): Likewise.
3139 (prune_unused_types_walk): Likewise.
3140 (same_die_p): Update for change to die_struct.
3141 (break_out_includes): Likewise.
3142 (prune_unused_types_prune): Likewise.
3143 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3144 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3146 (dwarf2out_finish): Don't call reverse_all_dies.
3148 2006-04-21 Eric Christopher <echristo@apple.com>
3150 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3151 in comments and function names.
3153 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3156 * c-typeck.c (digest_init): Robustify.
3158 * c-typeck.c (pop_init_level): Simplify.
3160 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3162 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3164 2006-04-21 Paul Brook <paul@codesourcery.com>
3166 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3167 hardware floating point.
3169 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3171 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3174 2006-04-21 Nick Clifton <nickc@redhat.com>
3176 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3179 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3182 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3183 C++ lang type in traceback table for Objective-C++.
3185 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3187 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3189 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3191 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3194 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3195 were errors. Remove check for erroneous objects.
3197 2006-04-20 Jeff Law <law@redhat.com>
3199 PR tree-optimization/26854
3200 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3201 checking for zero or one use.
3202 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3203 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3204 * tree-ssa-reassoc.c (negate_value): Similarly.
3205 (reassociate_bb): Similarly.
3207 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3209 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3210 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3211 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3213 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3215 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3216 fp regs if the last fp arg doesn't fit in regs.
3218 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3221 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3222 that the last insn has the REG_INC note.
3224 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3225 Nathan Sidwell <nathan@codesourcery.com>
3228 * stor-layout.c (update_alignment_for_field): Do not align
3230 (place_union_field): Place union field at the start of the union.
3231 (place_field): Move ERROR_MARK check later, and use the current
3232 allocation position to maintain monotonicity.
3234 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3236 * dominance.c: Include timevar.h.
3237 (calculate_dominance_info): Use TV_DOMINANCE.
3238 * timevar.def (TV_DOMINANCE): New timevar.
3239 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3241 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3243 PR rtl-optimization/14261
3244 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3245 move would be an INSV insn.
3246 (noce_process_if_block): Don't optimize if the destination is a
3247 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3249 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3251 * config/s390/s390.md: Add comments with the instructions emitted
3252 by an insn pattern if macros are used.
3254 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3256 PR rtl-optimization/26026
3257 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3258 is a known power of two shifted left a variable amount.
3260 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3262 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3263 to hash table twice when the debug_str section has SECTION_MERGE.
3265 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3267 * config/soft-fp: New directory. From glibc.
3268 * config/soft-fp/t-softfp: New.
3269 * config/soft-fp/README: New.
3270 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3271 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3272 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3273 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3274 * config.gcc: Use rs6000/t-fprules-fpbit or
3275 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3277 * config/rs6000/sfp-machine.h: New. Based on glibc.
3278 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3280 * config/rs6000/t-fprules: Remove fp-bit rules.
3281 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3282 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3283 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3284 (softfp_wrap_start, softfp_wrap_end): New.
3286 2006-04-18 DJ Delorie <dj@redhat.com>
3288 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3290 2006-04-18 Devang Patel <dpatel@apple.com>
3292 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3294 2006-04-18 Nick Clifton <nickc@redhat.com>
3296 * config/sh/t-symbian: Add rule to build sh-c.o
3297 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3298 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3299 (sh_symbian_encode_section_info): Likewise.
3301 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3303 * builtins.c (expand_builtin_strcmp): Cover label definition of
3304 do_libcall with HAVE_cmpstrnsi.
3306 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3308 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3310 * function.h (temp_slot_p): New.
3311 (function): Change the type of x_used_temp_slots to
3312 VEC(temp_slot_p,gc) *.
3314 2006-04-18 Nick Clifton <nickc@redhat.com>
3316 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3317 flag_strength_reduce.
3319 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3321 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3325 Partial revert of revision 112637
3326 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3327 Dale Johannesen <dalej@apple.com>
3330 * regclass.c (struct reg_pref): Update documentation.
3331 (regclass): Set prefclass to NO_REGS if memory is the best option.
3332 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3334 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3336 PR tree-optimization/26821
3337 * tree-ssa-math-opts.c (get_constant_one): New.
3338 (insert_reciprocals): Use it.
3340 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3342 * dwarf2out.c (free_AT): Delete.
3343 (remove_AT): Update string ref counts.
3344 (remove_child_TAG): Don't call free_die.
3346 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3347 or DW_TAG_GNU_EINCL.
3348 (prune_unused_types_walk_attribs): Reset string refcounts.
3349 (prune_unused_types_update_strings): New.
3350 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3351 call free_die. Do call prune_unused_types_update_strings.
3352 (prune_unused_types): Empty debug_str_hash.
3354 2006-04-17 Roger Sayle <roger@eyesopen.com>
3356 * expr.c (expand_assignment): Optimize away no-op moves where the
3357 source and destination are equal and have no side-effects.
3359 2006-04-17 Richard Guenther <rguenther@suse.de>
3362 * reload.c (push_reload): Guard calls to get_secondary_mem
3365 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3367 * alias.c (reg_base_value, old_reg_base_value): Change the
3368 type to VEC(rtx,gc) *.
3369 (REG_BASE_VALUE, find_base_value, record_set,
3370 init_alias_analysis): Use VEC instead of VARRAY.
3372 * alias.c (alias_sets): Change the type to
3373 VEC(alias_set_entry,gc) *.
3374 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3375 VEC instead of VARRAY.
3376 (last_alias_set): Remove.
3378 * cgraph.h (cgraph_edge_p): New.
3379 Update the prototype of cgraph_function_versioning.
3380 * cgraphunit.c (cgraph_copy_node_for_versioning,
3381 cgraph_function_versioning): Use VEC instead of VARRAY.
3382 * ipa-cp.c (ipcp_insert_stage): Likewise.
3384 2006-04-16 Roger Sayle <roger@eyesopen.com>
3387 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3388 "A op B" or "A op C", we may need to convert A to the type of B and C.
3390 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3392 * target.h (struct gcc_target): Add mode_rep_extended.
3393 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3394 (init_num_sign_bit_copies_in_rep): Initialize it using
3396 (truncate_to_mode): Use it.
3397 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3398 * targhooks.h (default_mode_rep_extended): Declare it.
3399 * targhooks.c (default_mode_rep_extended): Define it.
3400 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3401 default_mode_rep_extended.
3402 (TARGET_INITIALIZER): Include it.
3403 * doc/tm.texi (Misc): Document it.
3404 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3405 (mips_truncated_to_mode): New function.
3407 2006-04-16 Roger Sayle <roger@eyesopen.com>
3410 * expr.c (compress_float_constant): Copy the narrow constant into
3411 a new pseudo before extending it to its final width.
3413 2006-04-16 Roger Sayle <roger@eyesopen.com>
3414 Andrew Pinski <pinskia@gcc.gnu.org>
3415 Dale Johannesen <dalej@apple.com>
3418 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3419 special case code to implement V8HImode and V16QImode with SSE2.
3421 2006-04-15 Roger Sayle <roger@eyesopen.com>
3423 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3424 trees are constructed with a suitable tree type.
3426 2006-04-15 Roger Sayle <roger@eyesopen.com>
3428 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3429 (integer_onep): Likewise.
3430 (integer_all_onesp): Likewise.
3431 (integer_pow2p): Likewise.
3432 (integer_nonzerop): Likewise.
3433 (real_zerop): Likewise.
3434 (real_onep): Likewise.
3435 (real_twop): Likewise.
3436 (real_minus_onep): Likewise.
3437 (int_size_in_bytes): Likewise.
3438 (host_integerp): Likewise.
3440 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3442 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3443 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3444 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3446 * tree-ssa-structalias.h (alias_info): Remove num_references.
3448 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3450 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3451 (output_bvb patterns): Likewise.
3452 * pa.c (output_bb): Use 'bb' insn for long branch case.
3453 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3454 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3455 1. Correct length operand for alternatives 1 and 2.
3456 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3457 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3459 2006-04-14 Roger Sayle <roger@eyesopen.com>
3461 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3462 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3463 were accidentally reverted by r112959.
3465 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3468 * except.h (eh_region_outermost): New prototype.
3469 * except.c (eh_region_outermost): New function.
3470 * tree-cfg.c (find_outermost_region_in_block): Use it.
3472 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3474 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3476 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3477 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3478 (init_reload, reload): Use VEC instead of VARRAY.
3479 * reload.h: Update the prototype for
3480 reg_equiv_memory_loc_varray.
3482 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3483 Eric Botcazou <ebotcazou@libertysurf.fr>
3485 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3488 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3491 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3492 to expand fallback builtin function call.
3494 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3497 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3498 and emit libcall here in case the builtin fails.
3499 (expand_builtin_strcmp): Always emit the libcall here on failure.
3501 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3503 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3504 * flow.c (reg_n_info): Change the type to
3505 VEC(reg_info_p,heap) *.
3506 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3508 * regs.h (reg_info_p): New.
3509 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3510 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3511 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3514 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3516 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3518 * params.h (MAX_SCHED_READY_INSNS): New macro.
3519 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3520 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3521 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3522 the ready list for 1 cycle during the first scheduling pass.
3523 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3525 2006-04-13 Richard Henderson <rth@redhat.com>
3528 * gimple-low.c (lower_omp_directive): Remove dead code.
3529 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3530 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3531 * omp-low.c (struct omp_region): Move to tree-flow.h.
3532 (root_omp_region): Export.
3533 (omp_regions, lookup_omp_region): Remove.
3534 (determine_parallel_type): Update for struct omp_region changes.
3535 (dump_omp_region): Dump regions with block numbers.
3536 (new_omp_region): Take type and block instead of stmt; malloc
3538 (free_omp_region_1, free_omp_regions): New.
3539 (expand_parallel_call): Take entry_stmt as argument; update for
3540 changes to omp_region.
3541 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3542 (remove_exit_barriers): New.
3543 (expand_omp_parallel): Update for struct omp_region changes.
3544 (expand_omp_synch): Likewise.
3545 (expand_omp): Likewise.
3546 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3547 (expand_omp_for_static_chunk): Likewise.
3548 (expand_omp_for): Likewise.
3549 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3550 (expand_omp_sections): Similarly, with GOMP_sections_end.
3551 (expand_omp_single): New.
3552 (build_omp_regions_1): Update for OMP_CONTINUE.
3553 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3554 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3555 OMP_SECTIONS_SECTIONS.
3556 (lower_omp_single_simple): Don't emit barrier here.
3557 (lower_omp_single_copy): Likewise.
3558 (lower_omp_single): Fix bindings, and lower to straightline now.
3559 (lower_omp_master, lower_omp_ordered): Likewise.
3560 (lower_omp_critical): Likewise.
3561 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3562 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3563 omp edges, free it afterward.
3564 (make_omp_sections_edges): Remove.
3565 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3566 (move_stmt_r): Handle OMP_CONTINUE.
3567 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3568 statement pointers to basic blocks. Add type member.
3569 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3570 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3571 * tree-inline.c (estimate_num_insns_1): Likewise.
3572 * tree-pretty-print.c (dump_generic_node): Likewise.
3573 * tree-ssa-operands.c (get_expr_operands): Likewise.
3574 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3575 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3576 (OMP_CONTINUE): New.
3577 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3578 (OMP_SECTIONS_SECTIONS): Remove.
3579 (OMP_SECTION_LAST): New.
3580 (OMP_RETURN_NOWAIT): New.
3582 2006-04-13 Roger Sayle <roger@eyesopen.com>
3584 * fold-const.c (native_encode_vector, native_interpret_real):
3585 Correct obvious mistakes in the previous check-in.
3587 2006-04-13 Roger Sayle <roger@eyesopen.com>
3589 * fold-const.c (native_encode_expr): New function to encode
3590 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3591 or VECTOR_CST into a specified buffer.
3592 (native_encode_int): New function.
3593 (native_encode_real): New function.
3594 (native_encode_complex): New function.
3595 (native_encode_vector): New function.
3596 (native_interpret_expr): Inverse of native_encode_expr to convert
3597 a target representation into an INTEGER_CST, REAL_CST etc...
3598 (native_interpret_int): New function.
3599 (native_interpret_real): New function.
3600 (native_interpret_complex): New function.
3601 (native_interpret_vector): New function.
3602 (fold_view_convert_expr): New function to constant fold/evaluate
3603 a VIEW_CONVERT_EXPR of a suitable constant expression.
3604 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3605 Change call of build1 to fold_build1 when constructing a
3608 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3609 Ulrich Weigand <uweigand@de.ibm.com>
3612 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3615 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3618 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3619 optimize to lo_sum for DFmode if !TARGET_FPRS.
3621 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3623 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3624 delete_alias_info, compute_flow_sensitive_aliasing,
3625 group_aliases): Use VEC instead of VARRAY.
3626 * tree-ssa-structalias.c (update_alias_info): Likewise.
3627 * tree-ssa-structalias.h (alias_info): Change the type of
3628 processed_ptrs to VEC(tree,heap) *.
3630 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3633 * config/sh/lib1funcs.h: New file, broken out of:
3634 * config/sh/lib1funcs.asm.
3635 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3637 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3638 * config/sh/lib1funcs-Os-4-200.asm: New file.
3639 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3640 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3641 (EXTRA_MULTILIB_PARTS): Include it.
3642 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3643 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3644 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3645 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3648 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3650 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3651 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3652 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3654 * tree-ssa-live.h: Include vecprim.h.
3655 (tree_partition_associator_d): Change the type of
3656 first_partition to VEC(int,heap) *.
3657 (tpa_first_partition): Use VEC instead of VARRAY.
3659 * Makefile.in (GTFILES): Move functions.h after tree.h.
3660 * function.c (reset_block_changes, record_block_change,
3661 check_block_change, free_block_changes): Use VEC instead of
3663 * function.h (function): Change the type of
3664 ib_boundaries_block to VEC(tree,gc) *.
3665 * tree-inline.c (copy_cfg_body): Initialize
3666 ib_boundaries_block to NULL instead of (varray_type) 0.
3668 2006-04-12 Roger Sayle <roger@eyesopen.com>
3670 * expr.c (emit_group_store): Correct operand order in call to
3671 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3672 a SUBREG_BYTE of zero.
3674 2006-04-12 Richard Guenther <rguenther@suse.de>
3676 * profile.c (compute_branch_probabilities): Remove code
3677 encapsulated in !ir_type (), which are remanents of the
3678 removed RTL profiling code.
3679 * rtl-profile.c: Remove.
3681 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3683 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3684 magic NULL_RTX comment.
3685 (function_arg): Store entire fp arg to mem if any part should go
3687 (rs6000_arg_partial_bytes): Adjust for above change.
3689 2006-04-11 Roger Sayle <roger@eyesopen.com>
3691 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3692 if it hasn't been initialized by dwarf2out_init.
3694 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3696 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3697 symbolic constants in branch patterns.
3699 2006-04-11 Roger Sayle <roger@eyesopen.com>
3701 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3703 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3705 PR rtl-optimization/27073
3706 * gcse.c (try_replace_reg): Revert last change. Continue to search
3707 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3710 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3712 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3713 aggregate types other than record and union types.
3714 (function_arg): Likewise.
3715 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3717 (function_value): In 64-bit mode, return objects that require it
3720 2006-04-11 Roger Sayle <roger@eyesopen.com>
3722 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3724 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3726 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3728 2006-04-03 Jeff Law <law@redhat.com>
3731 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3732 alias information too.
3734 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3736 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3738 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3741 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3742 (premark_used_types_helper): New.
3743 (premark_used_types): New.
3744 (gen_subprogram_die): Call premark_used_types.
3745 (prune_unused_types_walk): Do not prune perennial dies.
3746 * function.c (used_types_insert): New.
3747 * function.h (struct function): Add used_types_hash field.
3748 (used_types_insert): Add prototype.
3749 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3750 * c-parser.c (c_parser_cast_expression): Save casted types in used
3753 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3756 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3757 rs6000_explicit_options.float_gprs.
3759 2006-04-10 Roger Sayle <roger@eyesopen.com>
3761 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3762 from ix86_expand_vector_init_low_nonzero. Take an additional
3763 one_var argument indicating which element is non-zero. Support
3764 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3765 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3766 with one_var instead of ix86_expand_vector_init_low_nonzero.
3768 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3770 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3771 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3772 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3773 build/genextract.o): Depend on vecprim.h.
3774 * cfglayout.c, df-problems.c, function.c, genextract.c,
3775 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3776 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3780 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3782 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3783 Declare VECs of this type.
3784 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3785 (remove_children): Delete.
3786 (add_dwarf_attr): Use VEC routines.
3787 (add_AT_flag): Update for changes to add_dwarf_attr.
3788 (add_AT_int): Likewise.
3789 (add_AT_unsigned): Likewise.
3790 (add_AT_long_long): Likewise.
3791 (add_AT_vec): Likewise.
3792 (add_AT_string): Likewise.
3793 (add_AT_die_ref): Likewise.
3794 (add_AT_fde_ref): Likewise.
3795 (add_AT_loc): Likewise.
3796 (add_AT_loc_list): Likewise.
3797 (add_AT_addr): Likewise.
3798 (add_AT_lbl_id): Likewise.
3799 (add_AT_lineptr): Likewise.
3800 (add_AT_macptr): Likewise.
3801 (add_AT_offset): Likewise.
3802 (add_AT_range_list): Likewise.
3803 (get_AT): Use VEC_iterate.
3804 (remove_AT): Use VEC_ordered_remove.
3805 (free_die): Fold remove_children into here; have it use VEC_iterate.
3806 (print_die): Use VEC_iterate on attrs.
3807 (reverse_die_lists): Don't reverse attr lists.
3808 (die_checksum): Use VEC_iterate on attrs.
3809 (same_die_p): Likewise.
3810 (output_location_lists): Likewise.
3811 (build_abbrev_table): Likewise.
3812 (size_of_die): Likewise.
3813 (unmark_all_dies): Likewise.
3814 (output_abbrev_section): Likewise.
3815 (output_die): Likewise.
3816 (prune_unused_types_walk_attribs): Likewise.
3818 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3820 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3822 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3825 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3827 2006-04-09 Roger Sayle <roger@eyesopen.com>
3829 * expr.c (store_constructor): Don't bother clearing target if
3830 we're about to assign a vector to it using vec_init_optab.
3832 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3834 * tree-ssa-alias.c (lhs_may_store_to): New function.
3835 (recalculate_used_alone): Handle LHS of calls.
3837 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3841 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3842 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3843 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3844 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3845 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3846 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3847 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3848 stubs. Add ".align 8" directives before all ".dword" directives.
3849 (GTHREAD_USE_WEAK): Revise comment.
3850 (TARGET_ATTRIBUTE_WEAK): Define.
3851 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3852 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3853 * stublib.c: New file.
3858 * pa.md (cbranch patterns): Revise arguments used in calls to
3859 output_cbranch, output_bb and output_bvd. Add long branch length
3861 (fbranch patterns): Handle long branches.
3862 (jump): Revise length check. Revise arguments for output_lbranch call.
3863 Add long branch length attributes.
3864 (decrement_and_branch_until_zero): Add long branch length attributes.
3865 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3866 Likewise. Revise arguments for output_parallel_addb and
3867 output_parallel_movb calls.
3868 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3869 output_parallel_movb and output_parallel_addb): Update prototypes.
3870 * pa.c (output_cbranch): Revise arguments. Correct handling of
3871 nullification in long branches.
3872 (output_lbranch): Add new argument to control extraction of delay
3874 (output_bb): Handle long branches.
3875 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3876 output_parallel_addb): Likewise.
3878 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3880 PR rtl-optimization/27073
3881 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3884 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3886 * tree.h (tree_memory_tag): Add old_used_alone.
3887 (SMT_OLD_USED_ALONE): New macro.
3888 * tree-ssa-alias.c (recalculate_used_alone): Stop
3889 marking things for renaming unnecessarily.
3891 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3893 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3894 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3895 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3896 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3897 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3898 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3899 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3900 spelling convensions.
3901 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3902 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3903 typos. Follow spelling conventions.
3905 2006-04-07 DJ Delorie <dj@redhat.com>
3907 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3908 passed on the stack.
3909 (m32c_init_cumulative_args): When a function returns a structure,
3910 always pass the pointer to that return area on the stack.
3911 (m32c_function_arg_advance): Don't increment the parameter number
3912 if we're processing the returned structure pointer.
3913 (pushm_info): Reverse order of registers.
3915 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3917 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3918 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3919 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3920 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3922 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3923 chrec_fold_multiply): Same.
3924 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3925 force_expr_to_var_cost): Same.
3926 * tree-mudflap.c (mf_xform_derefs_1): Same.
3927 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3929 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3931 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3932 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3935 2006-04-07 Jan Hubicka <jh@suse.cz>
3937 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3939 2006-04-07 Richard Guenther <rguenther@suse.de>
3941 PR tree-optimization/26135
3942 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3943 loads for store copy-prop.
3944 (copy_prop_visit_stmt): Likewise.
3946 2006-04-05 Robert Millan <robertmh@gnu.org>
3948 * config/i386/linux.h: Add a comment to mark macros that are
3949 being overriden in config/k*bsd-gnu.h.
3950 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3952 * config/knetbsd-gnu.h: Ditto.
3954 2006-04-06 Jan Hubicka <jh@suse.cz>
3958 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3961 2006-04-06 Mike Stump <mrs@apple.com>
3963 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3964 for HAVE_nonlocal_goto to be consistent.
3965 (expand_builtin_nonlocal_goto): Likewise.
3966 (expand_builtin_strcmp): Use #ifdef instead of #if
3967 for HAVE_cmpstrnsi to be consistent.
3969 2006-04-05 DJ Delorie <dj@redhat.com>
3971 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3974 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3976 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3977 got-relative addressing for anything but SImode.
3979 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3980 even if the calling function doesn't modify them.
3982 2006-04-05 Richard Guenther <rguenther@suse.de>
3984 PR tree-optimization/26919
3985 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3986 to cgraph_estimate_size_after_inlining.
3988 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3990 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3992 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3994 PR tree-optimization/26996
3995 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3996 VECTOR_TYPE variables.
3998 2006-04-05 Richard Guenther <rguenther@suse.de>
4000 PR tree-optimization/26763
4001 * fold-const.c (fold_comparison): Move folding of
4002 PTR + CST CMP PTR + CST ...
4003 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4005 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4007 * doc/install.texi (Prerequisites): Refine some wording on
4008 bootstrapping and ksh.
4009 Move the version numbers of DejaGnu here from the testing section
4010 and fix casing of names.
4011 Fix markup and clarify wording for autogen requirements.
4012 Refer to GCJ instead of just java.
4013 Refer to SVN instead of CVS.
4014 Describe diffutils as useful instead of necessary.
4015 (Downloading the source): Refer to SVN instead of CVS.
4016 Adjust a link to our web site accordingly.
4017 (Configuration): Fix casing of Bison.
4018 (Building): Refer to SVN instead of CVS.
4019 Fix a sentence on the use of Bison and remove duplicate (and
4020 incorrect) version number of Bison requirement.
4021 Remove one redundant list of packages needed for building.
4022 (Specific): Avoid reference to CVS.
4024 2006-04-04 Eric Christopher <echristo@apple.com>
4026 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4027 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4028 (rs6000_handle_struct_attribute): New.
4029 (rs6000_ms_bitfield_layout_p): Ditto.
4031 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4033 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4034 NULL for dso parameter to atexit_common.
4036 2006-04-04 Eric Christopher <echristo@apple.com>
4038 * config/i386/i386.c (machopic_output_stub): Output \t
4039 between instructions and operands.
4041 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4043 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4044 satisfies_constraint_[IL] to explicit tests on value.
4046 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4048 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4049 set_nb_iterations_in_loop): Use build_int_cst instead of
4051 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4052 build_int_cst instead of convert.
4054 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4056 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4057 new value 2 for incoming.
4058 * function.c (expand_function_start): Call struct_value_rtx
4060 * config/sparc/sparc.md: Comment updated_return.
4061 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4062 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4063 struct return if sparc_std_struct_return and incoming is 2.
4064 (print_operand): Do not adjust return if
4065 sparc_std_struct_return.
4067 2006-04-04 Roger Sayle <roger@eyesopen.com>
4069 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4070 convert in the middle-end.
4071 * expr.c (store_expr, store_constructor, get_inner_reference,
4072 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4074 * tree.c (build_range_type): Likewise.
4076 2006-04-04 Tom Tromey <tromey@redhat.com>
4078 * doc/install.texi (Prerequisites): Mention jar.
4080 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4082 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4085 2006-04-04 Matthias Klose <doko@debian.org>
4087 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4088 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4091 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4093 * doc/extend.texi (Function Attributes): Rewrite visibility
4094 attribute documentation.
4095 * doc/invoke.texi (C++ Dialect Options): Rewrite
4096 -fvisibility-inlines-hidden documentation to describe something
4097 entirely different, although in practise compatible.
4098 (Code Gen Options): Warn about system headers in -fvisibility=
4101 * doc/extend.texi (Other Builtins): Document that
4102 __builtin_nan is a compile-time constant only when its argument
4105 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4107 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4108 trying to remove TRUNCATE check if all bits outside the new mode
4109 are identical to the sign bit.
4111 2006-04-03 Jeff Law <law@redhat.com>
4113 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4114 and operand scanning in some common cases.
4116 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4117 Dale Johannesen <dalej@apple.com>
4120 * regclass.c (struct reg_pref): Update documentation.
4121 (regclass): Set prefclass to NO_REGS if memory is the best option.
4122 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4123 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4124 into account. For non-registers, equate an empty preferred
4125 reload class to a `!' in the constraint; move the if clause to
4126 do so after those that reject the insn.
4127 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4129 (find_dummy_reload): Likewise.
4130 * doc/tm.texi (Register Classes): Document what it means
4131 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4132 * config/i386/i386.c (ix86_preferred_reload_class): Force
4133 using SSE registers (and return NO_REGS for floating-point
4134 constants) if math is done with SSE.
4135 (ix86_preferred_output_reload_class): New.
4136 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4137 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4138 * config/i386/i386.md: Remove # register preferences.
4140 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4143 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4144 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4145 the type of nb_iter.
4146 (instantiate_parameters_1): Convert the operands before calling
4147 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4148 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4150 2006-04-02 Roger Sayle <roger@eyesopen.com>
4152 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4153 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4155 * dojump.c (do_jump): Likewise.
4156 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4157 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4158 gimplify_boolean_expr): Likewise.
4159 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4160 * varasm.c (array_size_for_constructor): Likewise.
4161 * tree-object-size.c (compute_object_offset): Likewise.
4163 2006-04-02 Roger Sayle <roger@eyesopen.com>
4166 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4167 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4169 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4171 PR tree-optimization/26939
4172 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4174 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4176 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4177 at_stmt. Convert the type of operands before calling
4178 build_polynomial_chrec.
4179 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4181 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4182 (instantiate_parameters_1): Convert the type of operands before calling
4183 build_polynomial_chrec.
4184 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4185 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4186 reset_evolution_in_loop): Insert asserts to check the types of the
4188 (chrec_type): Moved...
4189 (eq_evolutions_p): Use operand_equal_p.
4190 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4191 the types of the operands.
4192 (chrec_type): ...here.
4193 * tree-data-ref.c (create_data_ref): Convert the operands before
4194 calling chrec_replace_initial_condition.
4195 (same_access_functions, analyze_subscript_affine_affine,
4196 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4197 (compute_subscript_distance, analyze_ziv_subscript,
4198 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4199 analyze_miv_subscript): Convert the operands before calling
4200 chrec_fold_minus or chrec_fold_plus.
4202 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4204 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4205 the dependence_relations vector.
4206 (compute_data_dependences_for_loop): Adjust call to
4207 compute_all_dependences.
4209 2006-04-01 Roger Sayle <roger@eyesopen.com>
4210 Richard Henderson <rth@redhat.com>
4212 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4213 gimple_boolify on the condition before calling gimplify_expr.
4215 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4217 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4218 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4219 the frame size. Update to use the new macros.
4220 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4221 * config/xtensa/ieee754-df.S: Likewise.
4223 2006-03-31 Richard Henderson <rth@redhat.com>
4225 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4226 (make_edges): ... here. Control fallthru creation with a local
4227 variable. Do not play with fake edges.
4228 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4229 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4232 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4234 * dwarf2.h (DW64_CIE_ID): Define.
4235 * dwarf2out.c (DWARF_CIE_ID): Define.
4236 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4237 length header. Use DWARF_CIE_ID.
4238 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4239 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4241 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4243 * config/sh/linux-atomic.asm: New file.
4244 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4246 2006-03-31 DJ Delorie <dj@redhat.com>
4248 * config/m32c/cond.md: Set condition flags properly throughout.
4249 * config/m32c/minmax.md: Likewise.
4250 * config/m32c/prologue.md: Likewise.
4251 * config/m32c/bitops.md: Likewise.
4252 * config/m32c/muldiv.md: Likewise.
4253 * config/m32c/mov.md: Likewise.
4254 * config/m32c/addsub.md: Likewise.
4255 * config/m32c/m32c.md: Likewise.
4256 * config/m32c/jump.md: Likewise.
4257 * config/m32c/shift.md: Likewise.
4259 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4260 conditionally output the pattern for this.
4261 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4262 (m32c_compare_redundant): New.
4263 (m32c_output_compare): New.
4264 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4266 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4267 dest, not src. Allow other 4-byte modes.
4269 2006-03-30 Denis Chertykov <denisc@overta.ru>
4271 * doc/md.texi: Refer to avr/constraints.md instead of
4274 2006-03-30 Roger Sayle <roger@eyesopen.com>
4276 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4277 signed vs. unsigned comparison failures on some hosts.
4279 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4282 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4283 change to FLOAT_REGS.
4285 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4286 (rs6000_override_options): Use it.
4287 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4288 only for -mabi=spe/no-spe and -mabi=altivec.
4290 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4292 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4295 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4297 * Makefile.in: Rename docdir to gcc_docdir.
4299 2006-03-30 Roger Sayle <roger@eyesopen.com>
4302 * expr.c (emit_group_store): Optimize group stores into a pseudo
4303 register by using a paradoxical subreg to initialize the destination
4304 if the first or last member of the group specifies a "low part".
4306 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4309 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4310 * target.h (struct gcc_target.speculate_insn): Change type of the
4311 second parameter to 'int'.
4312 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4313 the second operand of the DEPS_LIST.
4314 (copy_DEPS_LIST_list): Update reference to the second operand of the
4316 * rtl.h (alloc_DEPS_LIST): Update signature.
4317 * sched-int.h (ds_t): Change typedef to 'int'.
4318 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4320 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4322 * haifa-sched.c (try_ready): Change condition to restore
4323 non-speculative pattern of the instruction.
4324 (process_insn_depend_be_in_spec): Code to keep probability of the
4325 speculative dependence non-decreasing.
4327 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4329 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4330 (single_move_for_movmem): ... this. Also change all uses.
4331 (bfin_expand_strmov): Renamed to...
4332 (bfin_expand_movmem): ... this. Also change all uses.
4333 * config/bfin/bfin.md (movstrsi): Renamed to...
4334 (movstrsi): ...this.
4336 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4338 PR tree-optimization/26830
4340 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4341 (copy_prop_visit_stmt): Remove write-only variable ann.
4342 (init_copy_prop): Check variable loop depth here. Do not simulate
4343 memory-tag and virtual operand PHIs except for store copy prop.
4345 2006-03-30 Richard Guenther <rguenther@suse.de>
4347 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4348 variants with double arguments.
4350 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4352 * genpreds.c (write_tm_constrs_h): Delete variable p.
4353 * genconditions.c (write_header): Add tm-constrs.h to included
4355 * genpeep.c (main): Add toplev.h to included headers.
4356 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4357 (build/genpeep.o): Add toplev.h dependency.
4358 * config/rs6000/constraints.md: Add "W" constraint.
4360 2006-03-29 Roger Sayle <roger@eyesopen.com>
4362 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4363 sizes by correctly testing whether the size fits a host integer.
4364 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4365 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4366 SImode range for the default sizetype and bitsizetype.
4368 2006-03-29 Roger Sayle <roger@eyesopen.com>
4370 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4371 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4372 quickly if the argument is already of the correct type.
4373 Call fold_build1 instead of build1. Tidy up blank lines.
4375 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4377 * genemit.c (main): Add tm-constrs.h to included headers.
4378 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4379 * genpeep.c (main): Add tm-constrs.h to included headers.
4380 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4381 (write_tm_constrs_h): this and write complete file.
4382 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4383 (write_insn_preds_c): Add tm-constrs.h to included headers.
4384 (gen_constrs): New variable.
4385 (parse_option): Parse "-c".
4386 (main): Invoke write_tm_constrs_h.
4387 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4388 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4389 (object_out_file): Add tm-constrs.h dependency.
4390 (insn-emit.o): Same.
4391 (insn-output.o): Same.
4392 (insn-peep.o): Same.
4393 (insn-preds.o): Same.
4394 (insn-recog.o): Same.
4395 (tm-constsr.h): New target.
4396 (s-constrs-h): New target.
4398 * config/rs6000/constraints.md: New file.
4399 * config/rs6000/rs6000.c: Include tm-constrs.h.
4400 (num_insn_constant_wide): Convert to satisfies_constraint.
4401 (rs6000_rtx_costs): Convert to satisfies_constraint.
4402 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4403 (CONST_OK_FOR_LETTER_P): Delete.
4404 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4405 (EXTRA_CONSTRAINT): Delete.
4406 (EXTRA_MEMORY_CONSTRAINT): Delete.
4407 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4408 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4409 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4410 satisfies_constraint.
4412 * config/i386/i386.c: Include tm-constrs.h.
4414 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4416 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4417 * tree-data-ref.c (find_data_references_in_loop,
4418 compute_data_dependences_for_loop): Use pointers to VEC.
4419 (analyze_all_data_dependences): Adjust calls.
4420 * tree-data-ref.h (find_data_references_in_loop,
4421 compute_data_dependences_for_loop): Adjust declarations.
4422 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4423 compute_data_dependences_for_loop.
4425 2006-03-29 Paul Brook <paul@codesourcery.com>
4427 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4430 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4432 PR tree-optimization/26859
4433 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4435 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4436 for the step after fold_convert.
4438 2006-03-29 Paul Brook <paul@codesourcery.com>
4440 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4441 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4443 2006-03-29 Paul Brook <paul@codesourcery.com>
4446 * targhooks.c (default_narrow_bitfield): New fuction.
4447 * targhooks.h (default_narrow_bitfield): add prototype.
4448 * target.h (gcc_target): Add narrow_volatile_bitfield.
4449 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4450 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4451 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4452 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4454 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4456 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4458 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4459 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4460 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4461 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4462 (s390_function_arg_float): Allow SDmode and DDmode values to be
4463 passed in floating point registers.
4464 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4465 check with SCALAR_FLOAT_MODE_P.
4466 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4468 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4470 PR tree-optimization/25985
4471 * tree-ssa-loop-niter.c (number_of_iterations_le,
4472 number_of_iterations_ne): Make comments more precise.
4473 (number_of_iterations_cond): Add only_exit argument. Use the
4474 fact that signed variables do not overflow only when only_exit
4476 (loop_only_exit_p): New.
4477 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4478 number_of_iterations_cond.
4480 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4482 PR tree-optimization/26643
4483 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4486 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4488 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4489 (divsi3_i4_int): Likewise.
4491 2006-03-28 Roger Sayle <roger@eyesopen.com>
4493 * expr.c (emit_group_store): Only create a new pseudo reg if the
4494 quantity it needs to hold isn't already a suitable pseudo.
4496 2006-03-28 Jeff Law <law@redhat.com>
4498 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4499 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4501 2006-03-28 Roger Sayle <roger@eyesopen.com>
4503 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4504 the equivalent ~X & Y, and the symmetry related transformations.
4505 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4506 ~X & Y, and symmetry related transforms.
4508 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4510 Revert my 2006-03-27 patches.
4512 2006-03-28 Roger Sayle <roger@eyesopen.com>
4514 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4515 ~(T1)X, when T1 and T2 are integer types of the same precision
4516 and (T2)X isn't an extension.
4518 2006-03-28 Jeff Law <law@redhat.com>
4520 PR tree-optimization/26796
4521 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4522 need EH edge cleanups rather than purging them immediately.
4523 (eliminate_degenerate_phis): Handle queued EH cleanups.
4525 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4527 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4530 2006-03-27 Roger Sayle <roger@eyesopen.com>
4533 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4534 cast BIT_NOT_EXPR operand to the correct type.
4536 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4538 * tree-loop-linear.c: Don't include varray.h.
4539 (gather_interchange_stats, try_interchange_loops,
4540 linear_transform_loops): Use VEC instead of VARRAY.
4541 * lambda-mat.c: Don't include varray.h.
4542 * tree-chrec.c: Same.
4543 * lambda-trans.c: Same.
4544 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4545 VEC instead of VARRAY.
4546 * tree-vectorizer.h: Idem.
4547 * tree-data-ref.c (dump_data_references,
4548 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4549 initialize_data_dependence_relation, finalize_ddr_dependent,
4550 compute_all_dependences, find_data_references_in_loop,
4551 compute_data_dependences_for_loop, analyze_all_data_dependences,
4552 free_dependence_relation, free_dependence_relations,
4553 free_data_refs): Idem.
4554 * tree-data-ref.h (data_reference_p, subscript_p): New.
4555 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4556 VEC instead of VARRAY.
4557 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4558 (find_data_references_in_loop, compute_data_dependences_for_loop,
4559 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4560 dump_data_dependence_relations, free_dependence_relations,
4561 free_data_refs): Adjust declaration.
4562 (lambda_transform_legal_p): Move declaration here...
4563 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4564 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4565 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4566 vect_analyze_data_refs): Use VEC instead of VARRAY.
4567 * lambda.h (lambda_transform_legal_p): ...from here.
4568 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4569 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4570 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4571 tree-chrec.o): Don't depend on VARRAY_H.
4573 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4575 * rtl.def (Copyright): Update date.
4576 (DEPS_LIST): Change type of the second operand to 'int'.
4577 * target.h (Copyright): Update date.
4578 (struct gcc_target.speculate_insn): Change type of the second parameter
4580 * lists.c (Copyright): Update date.
4581 (alloc_DEPS_LIST): Change signature. Update reference to the second
4582 operand of the DEPS_LIST.
4583 (copy_DEPS_LIST_list): Update reference to the second operand of the
4585 * rtl.h (Copyright): Update date.
4586 (alloc_DEPS_LIST): Update signature.
4587 * sched-int.h (Copyright): Update date.
4588 (ds_t): Change typedef to 'int'.
4589 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4591 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4593 * haifa-sched.c (Copyright): Update date.
4594 (try_ready): Change condition to restore non-speculative pattern
4596 (process_insn_depend_be_in_spec): Code to keep probability of the
4597 speculative dependence non-decreasing.
4599 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4601 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4602 shut up the compiler.
4604 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4606 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4607 to use lib prefix for target.
4608 ($(T)libic_invalidate_array_4-200.a): Likewise.
4609 ($(T)libic_invalidate_array_4a.a): Likewise.
4611 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4612 J"orn Rennecke <joern.rennecke@st.com>
4614 * superh.opt: New file.
4615 * sh.c (boardtype, osruntime): Remove.
4616 * superh.h (SUBTARGET_OPTIONS): Remove.
4617 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4619 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4620 arguments with ^ and/or [].
4622 * config.gcc (sh-*-*): Add quoting to account for quirk of
4624 Replace == with = in enable_incomplete_targets test.
4626 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4627 with MASK_LITTLE_ENDIAN.
4629 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4630 * config/sh/sh.opt: Added to some comments.
4631 * config/sh/superh.h: Removed some chaff.
4633 * config/sh/sh.opt: Add m4-[1234]00* options.
4634 * config/sh/sh.c (sh_handle_option): Likewise.
4635 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4636 (ic_invalidate_array_4-100.o): New rule.
4637 ($(T)libic_invalidate_array_4-100.a): Likewise.
4638 (ic_invalidate_array_4-200.o): Likewise.
4639 ($(T)libic_invalidate_array_4-200.a): Likewise.
4640 (ic_invalidate_array_4a.o): Likewise.
4641 ($(T)libic_invalidate_array_4a.a): Likewise.
4642 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4643 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4645 * config/sh/crt1.asm: Merged in profiling code.
4646 * config/sh/superh.h (STARTFILE_SPEC): Override.
4647 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4648 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4649 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4651 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4652 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4653 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4655 * sh.opt (mpretend-cmove): New option.
4656 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4657 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4658 (movsicc): Add TARGET_PRETEND_CMOVE code.
4660 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4662 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4663 s390_class_max_nregs): New function prototypes.
4664 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4665 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4666 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4667 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4669 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4671 * dwarf2out.c (add_location_or_const_value_attribute): Call
4672 tree_add_const_value_attribute if nothing else works.
4673 (reference_to_unused): New.
4674 (rtl_for_decl_init): Use reference_to_unused to decide whether
4675 to output an initializer.
4677 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4680 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4681 peephole removing spe frob_di_df_2.
4683 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4685 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4686 (subscript_dependence_tester_1): Declared.
4687 (print_dir_vectors, print_dist_vectors): New.
4688 (debug_data_dependence_relation): New.
4689 (dump_data_dependence_relation): Print more details.
4690 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4691 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4692 (save_dist_v, save_dir_v, add_outer_distances,
4693 build_classic_dist_vector_1): New.
4694 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4695 Don't test for lambda_vector_lexico_pos.
4696 (same_access_functions, add_multivariate_self_dist,
4697 add_other_self_distances, dir_from_dist): New.
4698 (build_classic_dir_vector): Replace implementation almost identical to
4699 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4701 (subscript_dependence_tester_1): New.
4702 (subscript_dependence_tester): Handle the lexicographically negative
4703 distance vectors by recomputing the dependence relation.
4704 (compute_affine_dependence): Remove parameter loop_nest_depth.
4705 (compute_self_dependence): Don't call compute_subscript_distance.
4706 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4707 Add a parameter for the loop_nest.
4708 (find_loop_nest_1, find_loop_nest): New.
4709 (compute_data_dependences_for_loop): Compute the loop nest, and give
4710 up if the nest is not well formed.
4711 * tree-data-ref.h (loop_p): New.
4712 (struct data_dependence_relation): Replace size_vect field with
4713 loop_nest, a vec of loops.
4714 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4715 (DDR_LOOP_NEST): New.
4716 (print_dir_vectors, print_dist_vectors,
4717 debug_data_dependence_relation): Declared.
4718 (index_in_loop_nest): New.
4719 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4720 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4723 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4725 * simplify-rtx.c (simplify_relational_operation): Call
4726 simplify_relational_operation_1 even if mode is VOIDmode.
4728 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4730 PR tree-optimization/26804
4731 * tree.h (DECL_CALL_CLOBBERED): New macro.
4732 (tree_decl_common): Add call_clobbered_flag.
4733 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4734 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4735 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4736 (mark_non_addressable): Ditto.
4737 * tree-ssa.c (verify_call_clobbered): New function.
4738 (verify_alias_info): Use it.
4739 * tree-pass.h (pass_reset_cc_flags): New prototype.
4740 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4741 (reset_cc_flags): New function.
4742 * passes.c (init_optimization_passes): Call reset_cc_flags after
4743 initializing referenced_vars.
4745 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4746 Roger Sayle <roger@eyesopen.com>
4749 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4750 to 1.0 for non-real operands. Implement A / A optimization for
4753 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4755 * config/i386/i386.c (size_cost): Correct the comment for
4756 cost of storing fp registers.
4757 (i386_cost): Likewise.
4758 (i486_cost): Likewise.
4759 (pentium_cost): Likewise.
4760 (pentiumpro_cost): Likewise.
4761 (k6_cost): Likewise.
4762 (athlon_cost): Likewise.
4763 (k8_cost): Likewise.
4764 (pentium4_cost): Likewise.
4765 (nocona_cost): Likewise.
4766 (generic64_cost): Likewise.
4767 (generic32_cost): Likewise.
4769 2006-03-24 Denis Chertykov <denisc@overta.ru>
4771 * config/avr/avr-protos.h (extra_constraint): Delete.
4772 (extra_constraint_Q): New declaration.
4773 * config/avr/constraints.md: New file.
4774 * config/avr/avr.md: Include it.
4775 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4776 (TMP_REGNO, ZERO_REGNO): Likewise.
4777 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4778 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4779 (extra_constraint): Delete.
4780 (extra_constraint_Q): Test for memory constraint 'Q'.
4781 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4782 (REG_CLASS_FROM_LETTER): Delete.
4783 (CONST_OK_FOR_LETTER_P): Delete.
4784 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4785 (EXTRA_CONSTRAINT): Delete.
4786 (TMP_REGNO): Delete.
4787 (ZERO_REGNO): Delete.
4789 2006-03-24 Jeff Law <law@redhat.com>
4791 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4792 directly. Call mark_new_vars_to_rename slightly earlier.
4794 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4796 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4798 (gen_compile_unit_die): Use new language types for Objective-C and
4800 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4801 DW_LANG_C_plus_plus.
4804 * config/t-darwin (crt3.o): Work around bug 26840.
4805 * config/darwin-crt3.c: Rewrite.
4806 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4808 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4810 * doc/invoke.texi: Document -femit-class-debug-always
4811 * common.opt: Add -femit-class-debug-always.
4813 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4815 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4816 index and base register.
4817 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4818 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4819 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4820 REGNO_OK_FOR_INDEX_P.
4821 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4823 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4824 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4825 REG_OK_FOR_BASE_P): Definitions removed.
4827 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4830 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4831 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4832 set yet or weren't marked as local yet.
4834 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4836 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4839 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4841 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4842 (rs6000_legitimate_small_data_p): Delete.
4843 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4844 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4845 and make static. Add forward declaration. Update uses.
4846 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4847 of offsettable_memref_p.
4848 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4849 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4851 2006-03-24 Jeff Law <law@redhat.com>
4853 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4854 around bug in immediate-use iterator.
4856 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4859 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4860 or __LITTLE_ENDIAN__.
4862 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4864 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4865 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4866 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4867 * config/sh/sh.opt (mdiv=): Amend description.
4868 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4869 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4870 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4871 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4872 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4873 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4874 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4875 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4876 TARGET_DIVIDE_CALL_FP.
4878 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4880 * haifa-sched.c (choose_ready): Fix type of the local variable.
4881 Move local variables. Add comment.
4882 (check_reg_live): Change signature. Make callable from debugger.
4883 * sched-int.h (check_reg_live): Update signature.
4884 * sched-ebb.c (check_reg_live): Update parameters.
4885 * sched-rgn.c (check_reg_live): Ditto.
4886 (region_head_or_leaf_p): Check pointer before dereferencing.
4887 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4888 before reload on optimization levels below 1.
4890 2006-03-23 Richard Henderson <rth@redhat.com>
4892 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4896 * config/alpha/predicates.md (local_symbolic_operand): Reject
4899 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4902 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4903 expressions which have overflowed constants.
4905 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4907 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4909 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4911 * cfgloopmanip.c (create_loop_notes): Removed.
4912 * final.c (final_scan_insn): Do not handle loop notes.
4913 * jump.c (squeeze_notes): Ditto.
4914 * cfglayout.c (skip_insns_after_block,
4915 duplicate_insn_chain): Ditto.
4916 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4918 * cfgloop.h (create_loop_notes): Declaration removed.
4920 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4922 * varasm.c (output_constant_pool): Restore fnname and fndecl
4924 (assemble_start_function): Adjust call accordingly.
4925 (assemble_end_function): Likewise.
4927 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4930 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4933 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4935 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4938 * system.h (ICE_EXIT_CODE): New macro.
4939 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4940 (diagnostic_action_after_output): Likewise.
4941 * gcc.c (fatal_ice): New function.
4942 (execute): Use it instead of fatal.
4943 (fancy_abort): Likewise.
4944 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4946 2006-03-22 Jeff Law <law@redhat.com>
4948 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4949 iv_analyze_result returning false.
4951 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4953 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4955 2006-03-22 Richard Henderson <rth@redhat.com>
4958 * except.c (duplicate_eh_regions_0): New.
4959 (duplicate_eh_region_1): Duplicate the children of the node as
4960 well as the node itself. Link them up properly.
4961 (duplicate_eh_region_2): Merge into ...
4962 (duplicate_eh_regions): ... here. Take copy_region argument, and
4963 copy only a sub-tree if asked. Simplify copying and fixup.
4964 (eh_region_outer_p): New.
4965 * except.h (duplicate_eh_regions): Update decl.
4966 (eh_region_outer_p): Declare.
4967 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4968 (lower_omp_master): Likewise.
4969 (lower_omp_ordered): Likewise.
4970 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4971 (move_stmt_r): Use it to remap labels. Handle recursion vs
4972 remap_decls_p properly.
4973 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4974 (find_outermost_region_in_block): New.
4975 (new_label_mapper): New.
4976 (move_sese_region_to_fn): Copy eh information to the new function
4978 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4980 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4983 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4985 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4986 into shared libraries.
4988 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4990 * doc/md.texi: Refer to i386/constraints.md instead of
4992 * config/i386/constraints.md: New file, extracted from...
4993 * config/i386/predicates.md: ...here.
4994 * config/i386/i386.md: Include constraints.md.
4996 2006-03-21 Jason Merrill <jason@redhat.com>
4998 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5001 * expr.c (init_block_move_fn): Force default visibility.
5002 (init_block_clear_fn): Likewise.
5003 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5004 * targhooks.c (default_external_stack_protect_fail): Likewise.
5006 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5008 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5009 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5010 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5011 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5012 (loadgp): Use mips_current_loadgp_style.
5013 (loadgp_noshared): New pattern.
5014 (sibcall_internal): Use MIPS_CALL.
5015 (sibcall_value_internal): Likewise.
5016 (sibcall_value_multiple_internal): Likewise.
5017 (call_internal): Likewise.
5018 (call_value_internal): Likewise.
5019 (call_value_multiple_internal): Likewise.
5020 (call_split): Use MIPS_CALL and add an 'S' constraint.
5021 (call_value_split): Likewise.
5022 (call_value_multiple_split): Likewise.
5023 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5024 (-mshared): New option.
5025 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5026 (mips_current_loadgp_style): Declare.
5027 * config/mips/mips.c (mips_classify_symbol): Avoid using
5028 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5029 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5030 TARGET_ABSOLUTE_ABICALLS.
5031 (override_options): Adjust comments. Improve the warning that is
5032 issued when -mabicalls and -G are used together.
5033 (mips_file_start): Remove comment.
5034 (mips_current_loadgp_style): New function.
5035 (mips_gnu_local_gp): New variable.
5036 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5038 (mips_output_function_prologue): Use mips_current_laodgp_style.
5039 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5040 the cprestore instruction.
5041 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5042 live for TARGET_ABSOLUTE_ABICALLS.
5043 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5044 (ASM_SPEC): Pass down -mshared and -mno-shared.
5045 (MIPS_CALL): New macro.
5046 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5048 * doc/invoke.texi (-mabicalls): Update documentation.
5049 (-mshared): Document.
5051 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5053 * config/ia64/unwind-hpux.c: New file.
5054 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5056 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5059 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5061 2006-03-21 Jeff Law <law@redhat.com>
5063 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5064 type conversions of a VR_VARYING source to a wider type.
5066 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5068 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5069 tm_file on Solaris 10 and later.
5070 (sparc64-*-solaris2*): Likewise.
5071 (sparc-*-solaris2*): Likewise.
5072 * config/sol26.h: Rename to config/sol2-6.h.
5073 * config/sol2-10.h: New file.
5075 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5078 * tree-ssa-pre.c (create_component_ref_by_pieces):
5081 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5084 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5085 return it immediately.
5087 2006-03-21 Michael Matz <matz@suse.de>
5089 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5091 (remove_arc, add_arc): Update num_out_arcs member.
5092 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5094 (cache_presence): New function.
5095 (compare_states_for_equiv): New function.
5096 (state_is_differed): Don't take number of outargs, adjust callers.
5097 Use new invariant for speeding up.
5098 (init_equiv_class): Create initial classes based on sorted
5100 (partition_equiv_class): Don't track out_arcs_num.
5101 (evaluate_equiv_classes): Call cache_presence on all states and
5104 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5106 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5107 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5108 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5109 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5111 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5112 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5113 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5114 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5115 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5117 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5118 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5119 (REGNO_REG_CLASS): ARGP is in PREGS.
5120 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5122 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5123 to deal with those addresses.
5124 * addresses.h: New file.
5125 * caller-save.c: Include "addresses.h".
5126 (init_caller_save): Use new base_reg_class function.
5127 * rtl-factoring.c: Include "addresses.h".
5128 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5129 * recog.c: Include "addresses.h".
5130 (preprocess_constraints): Use new base_reg_class function.
5131 * regrename.c: Include "addresses.h".
5132 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5133 functions. Keep track of a new var INDEX_CODE to compute valid
5135 (replace_oldest_value_addr): Likewise.
5136 (replace_oldest_value_mem): Use base_reg_class.
5137 * reload.c: Include "addresses.h".
5138 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5139 (find_reloads): Use new base_reg_class function.
5140 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5141 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5142 all callers and prototype changed.
5143 * reload1.c: Include "addresses.h".
5144 (maybe_fix_stack_asms): Use base_reg_class.
5145 * regclass.c: Include "addresses.h".
5146 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5147 (init_reg_autoinc): Use new base_reg_class function.
5148 (record_reg_classes): Likewise.
5149 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5150 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5151 Use new args to compute necessary class.
5153 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5154 regrename.o, rtl-factoring.o): Update dependencies.
5155 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5156 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5157 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5158 REG_OK_FOR_INDEX_P): Delete documentation.
5160 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5162 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5163 from V7 to V9 for Solaris 7 and above.
5165 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5167 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5168 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5169 argument pointers may not alias any other storage.
5170 * common.opt: Define option -fargument-noalias-anything.
5171 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5172 alias semantics is specified by flag_argument_noalias > 2.
5174 2006-03-20 Jeff Law <law@redhat.com>
5176 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5177 (pass_phi_only_cprop): Declare.
5178 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5180 * tree-ssa-dom.c (degenerate_phi_result): New function.
5181 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5182 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5183 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5184 (eliminate_degenerate_phis): Likewise.
5185 (pass_phi_only_cprop): New pass descriptor.
5186 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5187 support code. Callers updated.
5188 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5189 (store_copy_prop): Likewise.
5190 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5192 2006-03-20 Jason Merrill <jason@redhat.com>
5195 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5196 (push_visibility, pop_visibility): Likewise.
5197 * c-pragma.h: Declare them.
5199 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5201 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5203 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5204 parameter and use get_ebb_head_tail.
5205 (sh_md_init_global): Adjust uses of find_regmode_weight.
5207 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5209 * function.h (struct function) <x_tail_recursion_reentry>:
5210 Rename to x_stack_check_probe_note.
5211 (tail_recursion_reentry): Rename to stack_check_probe_note.
5212 * function.c: Replace tail_recursion_reentry with
5213 stack_check_probe_note everywhere.
5214 (expand_function_start): Only emit a note for
5215 stack_check_probe_note with -fstack-protect.
5216 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5218 * emit-rtl.c (remove_unnecessary_notes): Remove.
5219 (pass_remove_unnecessary_notes): Remove.
5220 * rtl.h (remove_unnecessary_notes): Remove prototype.
5221 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5222 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5223 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5225 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5228 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5229 (valid_in_set): Handle ARRAY_REF.
5230 Change "if min_variant or VH" to asserts.
5231 (create_component_ref_by_pieces): Handle ARRAY_REF.
5232 (create_expression_by_pieces): Likewise.
5233 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5235 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5237 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5238 is operand of switch, not str[0].
5240 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5242 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5243 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5245 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5247 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5248 end of insn_extra_address_constraint declaration.
5250 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5252 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5253 (no-sum-in-toc): Same.
5254 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5256 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5257 NO_FP_IN_TOC for -fPIC instead of mask.
5259 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5260 (BOOT_LDFLAGS): Delete.
5262 * config/rs6000/t-aix52: Same.
5264 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5265 (stmsi[345678]_power): New.
5267 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5269 * config/ia64/ia64.opt: Add empty line to end of file.
5271 2006-03-17 Richard Guenther <rguenther@suse.de>
5274 * builtins.c (get_pointer_alignment): For component style references
5275 adjust alignment to the component type alignment. Make sure
5276 to adjust alignment for component access of constants.
5278 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5280 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5283 2006-03-17 Paul Brook <paul@codesourcery.com>
5285 * doc/install.texi: Docuemnt --with-mode.
5286 * config.gcc: Add --with-mode for arm*-*-*.
5287 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5289 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5291 * sh.c (max_labelno_before_reorg): New variable.
5292 (sh_reorg): Initialize it.
5293 (find_barrier): Check max_labelno_before_reorg before using
5294 label_to_alignment. Take length of explicit alignment insns
5295 into account. When seeing a UNSPECV_CONST_END, return it.
5297 * sh.c (fixup_mova): Set mode of affected label to QImode.
5298 (untangle_mova): New function.
5299 (find_barrier): Use it. Check mode of label before decrementing
5301 (sh_reorg): Likewise.
5302 Set mode of all insns back to VOIDmode.
5304 * sh.c (MOVA_LABELREF): New macro.
5305 (mova_p, fixup_mova, sh_reorg): Use it.
5306 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5307 ADDR_DIFF_VEC matches mova.
5309 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5311 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5312 with ATTRIBUTE_UNUSED.
5314 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5316 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5317 pointer, instead of assuming it is possible to derive the
5318 correct args size from a call insn.
5320 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5322 * rtl.h (CONST_INT_P): Define.
5323 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5324 instead of GET_CODE(x) == CONST_INT.
5325 (vax_rtx_costs): Likewise.
5326 (vax_output_int_move): Likewise.
5327 (vax_output_int_add): Likewise.
5328 (legitimate_constant_address_p): Likewise.
5329 (index_term_p): Likewise.
5330 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5331 * config/vax/vax.md (and<mode>3): Likewise.
5332 (ashrsi3): Likewise.
5334 (movstricthi): Likewise.
5335 (movstrictqi): Likewise.
5336 (rotrsi3): Likewise.
5337 (five unnamed insns): Likewise.
5339 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5341 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5342 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5343 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5344 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5345 Pass to ASM_OUTPUT_DWARF_OFFSET.
5346 * dwarf2out.c (debug_frame_section): New.
5347 (output_call_frame_info): Use debug_frame_section. Pass it to
5348 dw2_asm_output_offset.
5349 (output_die): Pass appropriate section to dw2_asm_output_offset.
5350 (output_compilation_unit_header): Likewise.
5351 (output_pubnames): Likewise.
5352 (output_aranges): Likewise.
5353 (enum dw_val_class): Break dw_val_class_lbl_offset into
5354 dw_val_class_lineptr and dw_val_class_macptr.
5355 (add_AT_lbl_offset): Delete.
5356 (add_AT_lineptr): New.
5357 (add_AT_macptr): New.
5358 (AT_lbl): Expect a lineptr or macptr.
5359 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5360 (attr_checksum): Likewise.
5361 (same_dw_val_p): Likewise.
5362 (size_of_die): Likewise.
5363 (value_format): Likewise.
5364 (output_die): Likewise.
5365 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5367 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5368 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5369 * config/darwin-protos.h (darwin_file_start): New.
5370 (darwin_asm_output_dwarf_offset): New.
5371 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5372 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5374 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5375 if not EH section; simplify.
5376 (darwin_file_start): New.
5377 (darwin_asm_output_dwarf_offset): New.
5378 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5380 (DEBUG_INFO_SECTION): Likewise.
5381 (DEBUG_ABBREV_SECTION): Likewise.
5382 (DEBUG_ARANGES_SECTION): Likewise.
5383 (DEBUG_MACINFO_SECTION): Likewise.
5384 (DEBUG_LINE_SECTION): Likewise.
5385 (DEBUG_LOC_SECTION): Likewise.
5386 (DEBUG_PUBNAMES_SECTION): Likewise.
5387 (DEBUG_STR_SECTION): Likewise.
5388 (DEBUG_RANGES_SECTION): Likewise.
5389 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5390 (ASM_OUTPUT_DWARF_OFFSET): New.
5392 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5394 * config.gcc (tm_defines): Always add to previous value rather
5397 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5399 * config/mips/predicates.md (splittable_const_int_operand): New,
5400 split from move_operand.
5401 (splittable_symbolic_operand): New.
5402 (move_operand): Add commentary. Use splittable_const_int_operand.
5403 Inline mips_atomic_symbolic_constant_p.
5404 * config/mips/mips.md: Add combine splitters for handling moves
5405 of splittable_const_int_operands and splittable_symbolic_operands.
5406 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5407 (mips_split_symbol): Declare.
5408 (mips_move_integer): Declare.
5409 * config/mips/mips.c (mips_split_p): Make global.
5410 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5411 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5412 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5413 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5414 (mips_offset_within_object_p): Handle block symbols.
5415 (mips_atomic_symbolic_constant_p): Delete.
5416 (mips_cannot_force_const_mem): Return false for constants that
5417 mips_legitimize_move can handle.
5418 (mips_use_blocks_for_constant_p): New function.
5419 (mips_split_symbol): Make global.
5420 (mips_move_integer): Likewise. Add a temporary register argument.
5421 (mips_legitimize_const_move): Use splittable_const_int_operand and
5422 splittable_symbolic_operand.
5423 (mips_use_anchors_for_symbol_p): New function.
5424 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5425 (mips_split_p): Declare.
5427 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5429 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5430 (mips*-*-linux*): Likewise.
5432 2006-03-16 Roger Sayle <roger@eyesopen.com>
5433 Daniel Speyer <dspeyer@wam.umd.edu>
5436 * tree-dump.c (dump_real): New function.
5437 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5438 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5439 (tree-dump.o): Add $(REAL_H) to the dependencies.
5441 2006-03-16 Roger Sayle <roger@eyesopen.com>
5444 * real.c (real_from_string): If the mantissa is zero, don't bother
5445 parsing the exponent as the result should always be zero.
5447 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5449 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5451 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5453 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5454 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5455 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5456 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5457 ia64_sched_finish_global): New static functions to implement
5458 hooks from gcc_target.sched.
5459 (spec_check_no, max_uid, pending_data_specs): New static variables.
5460 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5461 ia64_spec_check_src_p): New static functions.
5462 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5463 (TARGET_SCHED_ADJUST_COST): Removed.
5464 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5465 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5466 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5467 TARGET_SCHED_GEN_CHECK,
5468 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5469 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5470 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5471 Fixed to handle speculation checks.
5472 (rtx_needs_barrier): Fixed to handle speculative loads and
5474 (ia64_variable_issue): Added code to count speculative loads and their
5476 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5478 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5480 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5482 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5483 (ia64_reorg): Reset stops_p to NULL after it is freed.
5484 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5485 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5486 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5488 (data_speculative, control_speculative, check_load): New attributes.
5489 (mov<mode>_advanced, mov<mode>_speculative,
5490 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5491 zero_extend<mode>di2_speculative,
5492 zero_extend<mode>di2_speculative_advanced): New patterns for
5493 data and control speculative loads.
5494 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5496 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5497 New pattern for data and control speculation checks.
5498 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5499 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5500 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5501 Auxiliary definitions for the patterns.
5502 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5503 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5505 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5507 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5508 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5509 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5510 New resource constraints.
5511 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5513 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5514 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5515 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5516 msched-in-control-spec, msched-ldc, msched-control-ldc,
5517 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5518 msched-prefer-non-control-spec-insns,
5519 msched-count-spec-in-critical-path): New flags to tune speculative
5521 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5522 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5523 msched-in-control-spec, msched-ldc, msched-control-ldc,
5524 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5525 msched-prefer-non-control-spec-insns,
5526 msched-count-spec-in-critical-path): Document new flags.
5528 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5530 * target.h (struct spec_info_def): New opaque declaration.
5531 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5532 speculate_insn, needs_block_p, gen_check,
5533 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5534 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5535 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5536 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5537 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5538 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5540 (TARGET_SCHED): Use new macros.
5541 * rtl.h (copy_DEPS_LIST_list): New prototype.
5542 * sched-int.h (struct sched_info): Change signature of new_ready field,
5543 adjust all initializations. New fields: add_remove_insn,
5544 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5545 region_head_or_leaf_p.
5546 (struct spec_info_def): New structure declaration.
5547 (spec_info_t): New typedef.
5548 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5549 recovery_block, orig_pat.
5550 (glat_start, glat_end): New variables declaraions.
5551 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5553 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5554 DETACH_LIFE_INFO, USE_GLAT.
5555 (enum SPEC_SCHED_FLAGS): New enumeration.
5556 (NOTE_NOTE_BB_P): New macro.
5557 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5558 attach_life_info, debug_spec_status, check_reg_live): New functions.
5559 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5560 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5562 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5563 * ddg.c (get_block_head_tail): Adjust all uses.
5564 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5565 (sms_sched_info): Initialize new fields.
5566 (contributes_to_priority): Removed.
5567 * haifa-sched.c (params.h): New include.
5568 (get_block_head_tail): Adjust all uses.
5569 (ISSUE_POINTS): New macro.
5570 (glat_start, glat_end): New global variables.
5571 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5572 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5573 old_last_basic_block, before_recovery, current_sched_info_var,
5574 rgn_n_insns, luid): New static variables.
5575 (insn_cost1): New function. Move logic from insn_cost to here.
5576 (find_insn_reg_weight1): New function. Move logic from
5577 find_insn_reg_weight to here.
5578 (reemit_notes, move_insn, max_issue): Change signature.
5579 (move_insn1): Removed.
5580 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5581 extend_bb): New static functions to support extension of scheduler's
5583 (generate_recovery_code, process_insn_depend_be_in_spec,
5584 begin_speculative_block, add_to_speculative_block,
5585 init_before_recovery, create_recovery_block, create_check_block_twin,
5586 fix_recovery_deps): New static functions to support
5587 generation of recovery code.
5588 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5589 restore_bb_notes, move_block_after_check, move_succs): New static
5590 functions to support ebb scheduling.
5591 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5592 functions to support handling of register live information.
5593 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5594 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5595 add_jump_dependencies): New static functions.
5596 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5597 consistancy checking.
5598 (debug_spec_status): New function to call from debugger.
5599 (priority): Added code to handle speculation checks.
5600 (rank_for_schedule): Added code to distinguish speculative instructions.
5601 (schedule_insn): Added code to handle speculation checks.
5602 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5603 Fixed to handle ebbs.
5604 (move_insn): Added code to handle ebb scheduling.
5605 (max_issue): Added code to use ISSUE_POINTS of instructions.
5606 (choose_ready): Added code to choose between speculative and
5607 non-speculative instructions.
5608 (schedule_block): Added code to handle ebb scheduling and scheduling of
5609 speculative instructions.
5610 (sched_init): Initialize new variables.
5611 (sched_finish): Free new variables. Print statistics.
5612 (try_ready): Added code to handle speculative instructions.
5613 * lists.c (copy_DEPS_LIST_list): New function.
5614 * sched-deps.c (extend_dependency_caches): New function. Move logic
5615 from create_dependency_caches to here.
5616 (get_dep_weak, ds_merge): Make global.
5617 * genattr.c (main): Code to output prototype for
5618 dfa_clear_single_insn_cache.
5619 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5620 (output_dfa_clean_insn_cache_func): Code to output
5621 dfa_clear_single_insn_cache function.
5622 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5624 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5626 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5627 New static variables.
5628 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5629 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5631 (ebb_sched_info): Initialize new fields.
5632 (get_block_head_tail): Adjust all uses.
5633 (compute_jump_reg_dependencies): Fixed to use glat_start.
5634 (schedule_ebb): Code to remove unreachable last block.
5635 (schedule_ebbs): Added code to update register live information.
5636 * sched-rgn.c (region_sched_info): Initialize new fields.
5637 (get_block_head_tail): Adjust all uses.
5638 (last_was_jump): Removed. Adjust users.
5639 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5640 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5641 Implement new hooks.
5642 (check_dead_notes1): New static function.
5643 (struct region): New fields: dont_calc_deps, has_real_ebb.
5644 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5645 (BB_TO_BLOCK): Fixed to handle EBBs.
5646 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5647 (ebb_head): New static variable.
5648 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5649 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5651 (compute_dom_prob_ps): New assertion.
5652 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5653 global_live_at_start.
5654 (init_ready_list): New assertions.
5655 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5656 (new_ready): Add support for BEGIN_CONTROL speculation.
5657 (schedule_insns): Fixed code that updates register live information
5659 (schedule_region): Fixed to handle EBBs.
5660 (init_regions): Use extend_regions and check_dead_notes1.
5661 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5662 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5663 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5664 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5665 TARGET_SCHED_GEN_CHECK,
5666 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5667 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5668 * doc/invoke.texi (max-sched-insn-conflict-delay,
5669 sched-spec-prob-cutoff): Document.
5671 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5673 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5674 inter_tick, queue_index.
5675 (struct sched_info): Change signature of init_ready_list field.
5676 Adjust all initializations.
5677 (RESOLVED_DEPS): New access macro.
5678 (ready_add): Remove prototype.
5679 (try_ready): Add prototype.
5680 * sched-rgn.c (init_ready_list): Use try_ready.
5681 (schedule_region): Initialize
5682 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5683 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5684 (init_ready_list): Use try_ready.
5685 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5686 * lists.c (remove_list_elem): Remove `static'.
5687 (remove_free_INSN_LIST_elem): New function.
5688 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5689 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5690 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5692 (readyp): New variable.
5693 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5694 change_queue_index, resolve_dep): New static functions.
5695 (try_ready): New function. Adjust callers in sched-rgn.c and
5696 sched-ebb.c to use it instead of ready_add.
5697 (clock_var): Move at the begining of file.
5698 (rank_for_schedule): Fix typo.
5699 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5700 (ready_lastpos): Enforce assertion.
5701 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5703 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5704 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5705 (queue_to_ready): Use free_INSN_LIST_list.
5706 (early_queue_to_ready): Fix typo.
5707 (schedule_block): Init readyp. Move init_ready_list call after the
5708 initialization of clock_var. Fix error in rejecting insn by
5709 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5710 that previously corrected INSN_TICKs. Add code for handling
5712 (set_priorities): Fix typo.
5713 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5714 Clarify comment and code that keeps current_sched_info->next_tail
5717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5719 * sched-rgn.c (extend_rgns): New static function.
5720 (find_rgns): Use it.
5721 (gather_region_statistics, print_region_statistics): New static
5723 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5724 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5726 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5727 Andrey Belevantsev <abel@ispras.ru>
5729 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5730 * lists.c (unused_deps_list): New variable.
5731 (free_list): Add assertions to verify the proper distinguishing
5732 between INSN_LISTs and DEPS_LISTs.
5733 (find_list_elem, remove_list_elem, remove_list_node): New static
5735 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5736 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5737 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5738 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5740 (free_INSN_LIST_node): Likewise.
5741 * modulo-sched.c (current_sched_info): Initialize flags field.
5742 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5743 * rtl.def (DEPS_LIST): Define.
5744 * rtl.h: Declare new functions from lists.c.
5745 * sched-deps.c (spec_dependency_cache): New static variable.
5746 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5747 (add_dependence): Change return type to void. Move the logic to ...
5748 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5749 (delete_all_dependences): Add comment about forward_dependency_cache.
5750 Handle spec_dependency_cache. Handle DEPS_LISTs.
5751 (fixup_sched_groups): Clarify the change of priority of output
5752 and anti dependencies.
5753 (sched_analyze_2): Adjust add_dependence calls to create data
5754 speculative dependence.
5755 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5756 Adjust all callers. Handle DEPS_LISTS.
5757 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5758 presence of speculation.
5759 (init_dependency_caches, free_dependency_caches):
5760 Handle spec_dependency_cache.
5761 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5762 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5763 New static functions.
5764 (add_or_update_back_dep, add_or_update_back_forw_dep,
5765 add_back_forw_dep, delete_back_forw_dep): New functions.
5766 * sched-int.h (ds_t, dw_t): New typedefs.
5767 (struct sched_info): Add new field flags.
5768 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5769 Prototype new sched-deps.c functions.
5770 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5771 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5772 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5773 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5774 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5775 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5777 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5779 * sched-rgn.c (current_sched_info): Initialize flags field.
5780 (schedule_insns): Initialize current_sched_info before the sched_init
5782 * sched-ebb.c (current_sched_info): Initialize flags field.
5783 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5784 Call add_or_update_back_dep instead of add_dependence.
5785 Create control speculative dependencies.
5786 (schedule_insns): Initialize current_sched_info before the sched_init
5789 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5791 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5793 (sh_fallback_frame_state): Likewise.
5795 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5797 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5798 Do switch on default_use_cxa_atexit.
5799 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5800 * config/darwin-crt3.o: New.
5801 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5802 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5803 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5805 * config/rs6000/t-darwin: Move crt2.o building to here.
5806 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5807 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5810 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5812 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5813 from '! xxx' to '!xxx' for coding-style conformance.
5814 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5815 (EXTRA_CONSTRAINT): Likewise.
5816 * config/vax/vax.md (four unnamed insns): Likewise.
5818 2006-03-15 Paul Brook <paul@codesourcery.com>
5820 * config/arm/arm.c (minipool_pad): New.
5821 (add_minipool_forward_ref): Include pool alignment padding in address
5823 (push_minipool_fix): Set minipool_pad.
5824 (minipool_pad): Ditto.
5826 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5828 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5829 instead of GET_CODE() == MEM and REG_P() instead of
5831 (print_operand_address): Likewise.
5832 (vax_address_cost): Likewise.
5833 (vax_rtx_costs): Likewise.
5834 (vax_notice_update_cc): Likewise.
5835 (vax_output_int_add): Likewise.
5836 (INDEX_REGISTER_P): Likewise.
5837 (BASE_REGISTER_P): Likewise.
5838 (nonindexed_address_p): Likewise.
5839 (vax_mode_dependent_address_p): Likewise.
5840 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5841 (PRINT_OPERAND): Likewise.
5842 * config/vax/vax.md (ashlsi3): Likewise.
5843 (ashlsi3): Likewise.
5844 (some more unnamed insns): Likewise.
5846 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5848 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5849 iterator-style macro.
5850 (mark_control_dependent_edges_necessary): Update the use of
5851 EXECUTE_IF_CONTROL_DEPENDENT.
5853 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5855 * config/sh/predicates.md (cache_address_operand): Special.
5856 (ua_address_operand): Likewise.
5858 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5860 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5862 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5864 2006-03-15 Andreas Schwab <schwab@suse.de>
5866 * gensupport.c (identify_predicable_attribute): Don't free p_false
5867 when it is still in use.
5869 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5871 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5872 the default setting here.
5874 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5876 * tree-pass.h (pass_cfg): Remove.
5877 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5878 * passes.c (pass_cfg): Don't run it.
5880 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5882 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5883 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5885 (stack_regs_mentioned): Update the uses of
5886 stack_regs_mentioned_data. Don't access the array beyond its
5888 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5889 Don't include gt-reg-stack.h.
5891 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5892 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5894 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5897 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5900 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5902 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5904 2006-03-14 Richard Guenther <rguenther@suse.de>
5906 PR tree-optimization/26672
5907 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5910 2006-03-14 Richard Guenther <rguenther@suse.de>
5912 PR tree-optimization/26667
5913 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5914 node for the callees. Always allow inlining if it will shrink
5917 2006-03-14 Richard Guenther <rguenther@suse.de>
5920 * builtins.c (get_pointer_alignment): Prefer alignment
5921 information from decls over that from types.
5923 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5926 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5928 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5930 * config/rs6000/rs6000.opt (mdlmzb): New option.
5931 (msched-prolog, msched-epilog): Use Var not Mask.
5932 * doc/invoke.texi (-mdlmzb): Document.
5933 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5935 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5936 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5938 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5940 PR rtl-optimization/25739
5941 * bt-load.c (augment_live_range): Free tos pointer.
5943 * gensupport.c (identify_predicable_attribute): Free
5945 * gcov.c (create_file_names): Free name pointer.
5947 2006-03-13 Roger Sayle <roger@eyesopen.com>
5950 * stmt.c (emit_case_nodes): Handle the case where the index is a
5951 CONST_INT, where the comparison mode is specified by the index type.
5953 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5955 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5958 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5960 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5961 (*branch_fp_inverted): Likewise.
5963 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5966 * omp-low.c (expand_omp_for_generic): Mark istart0
5967 and iend0 as addressable.
5969 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5971 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5973 2006-03-13 Jeff Law <law@redhat.com>
5975 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5976 virtual operands are interesting.
5977 (vrp_visit_stmt): Corresponding changes.
5979 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5981 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5983 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5984 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5985 * config/bfin/crti.S: Use it instead of __PIC__.
5986 * config/bfin/crtn.S: Likewise.
5988 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5989 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5991 Lose 'G' modifier for call operand.
5992 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5993 recognize 'G' modifier.
5995 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5998 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5999 * stmt.c (expand_case): Likewise.
6001 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6003 PR rtl-optimization/26254
6004 * loop-invariant.c (seq_insns_valid_p): New function.
6005 (move_invariant_reg): Only emit new code if it is valid.
6007 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6009 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6011 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6012 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6013 (commit_one_edge_insertion): Do not look for loop notes.
6015 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6017 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6018 flag_test_coverage out of loop.
6020 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6022 * final.c (shorten_branches): Remove outdated comment, and turn
6023 the if branch that guards it to continue.
6025 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6027 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6028 * cfgloop.h (struct loop): Remove unused fields.
6030 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6032 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6033 (-dL, -fdump-rtl-loop2): Update the dump file names
6035 * doc/invoke.texi: Update dump file names.
6037 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6039 * predict.c (estimate_probability): Remove.
6040 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6041 * basic-block.h (estimate_probability): Remove prototype.
6042 * passes.c (finish_optimization_passes): Dump branch prediction or
6043 profiling heuristics to the .profile tree dump.
6044 (init_optimization_passes): Unqueue pass_branch_prob.
6046 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6048 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6050 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6051 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6053 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6055 * function.h (frame_offset_overflow): Declare.
6056 * function.c (frame_offset_overflow): New function.
6057 (assign_stack_local_1): Call it to detect that the offset overflows.
6058 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6060 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6062 * config/sh/sh.c: Include alloc-pool.h.
6063 (label_ref_list_pool): New alloc pool.
6064 (label_ref_list_t): New type for lists of labels.
6065 (struct pool_node): Make wend a label_ref_list_t.
6066 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6068 (dump_table): Likewise.
6069 (sh_reorg): Set up the alloc pool before using add_constant and
6070 dump_table, and destroy it when finishing.
6072 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6074 * config/mips/mips.c: Remove redundant comment.
6076 2006-03-10 Jason Merrill <jason@redhat.com>
6079 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6080 the target was declared 'register'.
6082 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6084 * genpreds.c (write_insn_constraint_len): Change definition of
6085 insn_constraint_len to return size_t to match the declaration.
6087 2006-03-10 DJ Delorie <dj@redhat.com>
6089 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6091 (m32c_expand_insv): Fix test for an AND mask.
6093 2006-03-10 Richard Guenther <rguenther@suse.de>
6096 * builtins.c (get_pointer_alignment): Handle component
6097 references for field alignment.
6099 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6101 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6102 when building with libgloss.
6103 (sh*elf): Implement --without-fp option.
6104 (sh64-superh-linux*): Don't multilib.
6106 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6108 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6110 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6112 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6113 Set it when one of the replacement functions returned true.
6114 Return TODO_cleanup_cfg if cfgchanged is true.
6115 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6117 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6119 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6120 instead of gen_lowpart.
6122 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6124 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6126 (mips_output_order_conditional_branch): Declare.
6127 * config/mips/mips.h (MIPS_BRANCH): New macro.
6128 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6129 for the comparison. Use gen_condjump.
6130 (mips_output_conditional_branch): Rework interface to take the
6131 asm templates for a direct branch and the inverse of a direct branch.
6132 (mips_output_order_conditional_branch): New function.
6133 (mips_builtin_branch_and_move): New function.
6134 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6135 branch condition. Use gen_single_cc as the condition for
6136 __builtin_mips_upper_* or __builtin_mips_lower_*.
6137 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6138 Use VOIDmode for the branch condition.
6139 * config/mips/predicates.md (order_operator): New predicate.
6140 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6141 (branch_fp): Rename to...
6142 (*branch_fp): ...this. Remove mode from comparison operator.
6143 Use new mips_output_conditional_branch interface.
6144 (branch_fp_inverted): Rename to...
6145 (*branch_fp_inverted): ...this and update as for *branch_fp.
6146 (*branch_zero<mode>): Rename to...
6147 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6148 Use mips_output_order_conditional_branch. Only accept ordered
6150 (*branch_zero<mode>_inverted): Rename to...
6151 (*branch_order<mode>_inverted): ...this and update as for
6152 *branch_order<mode>.
6153 (*branch_equality<mode>): Accept zero as the second operand to
6154 the equality operator. Use the new mips_output_conditional_branch
6156 (*branch_equality<mode>_inverted): Likewise.
6157 (condjump): New expander.
6158 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6160 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6161 (bc1any2t, bc1any2f): Likewise.
6162 (single_cc): New expander.
6163 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6165 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6167 * doc/md.texi: Update documentation of MIPS constraints.
6168 * config/mips/constraints.md: New file.
6169 * config/mips/mips.md: Include it.
6170 * config/mips/mips.c (mips_char_to_class): Delete.
6171 (override_options): Don't initialize mips_char_to_class.
6172 * config/mips/mips.h (mips_char_to_class): Delete.
6173 (REG_CLASS_FROM_LETTER): Delete.
6174 (CONST_OK_FOR_LETTER_P): Delete.
6175 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6176 (EXTRA_CONSTRAINT_Y): Delete.
6177 (EXTRA_CONSTRAINT_STR): Delete.
6178 (CONSTRAINT_LEN): Delete.
6179 (EXTRA_MEMORY_CONSTRAINT): Delete.
6181 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6183 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6184 original fn's eh regions.
6186 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6188 * fold-const.c (build_range_check): Make sure to use a valid type to
6189 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6192 (range_predecessor): New static function.
6193 (range_successor): Likewise.
6194 (merge_ranges): Use them to compute predecessors and successors of
6197 2006-03-09 Roger Sayle <roger@eyesopen.com>
6200 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6201 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6203 2006-03-08 DJ Delorie <dj@redhat.com>
6205 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6206 (addpsi3): Expand to include memory operands. Remove
6207 reload-specific splits.
6208 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6209 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6210 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6211 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6212 (shift1_qi, shift1_hi, insv): New.
6213 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6214 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6215 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6217 * config/m32c/m32c-protos.h: Update as needed.
6218 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6219 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6220 Fail for unrecognized R* constraints.
6221 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6222 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6223 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6225 (m32c_init_libfuncs): New.
6226 (m32c_legitimate_address_p): Add debug wrapper.
6227 (m32c_rtx_costs): New.
6228 (m32c_address_cost): New.
6229 (conversions): Add 'B' prefix.
6230 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6231 operands, or word regnames for QI operands. 'B' prints bit
6233 (m32c_expand_setmemhi): New.
6234 (m32c_expand_movmemhi): New.
6235 (m32c_expand_movstr): New.
6236 (m32c_expand_cmpstr): New.
6237 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6238 (m32c_expand_neg_mulpsi3): Handle non-ints.
6239 (m32c_cmp_flg_0): New.
6240 (m32c_expand_movcc): New.
6241 (m32c_expand_insv): New.
6242 (m32c_scc_pattern): New.
6243 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6244 a0/a1 out of SIregs.
6245 (STORE_FLAG_VALUE): New.
6246 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6249 * config/m32c/mov.md: Make constraints more liberal.
6250 (zero_extendqihi2): Optimize r0/r1 case.
6251 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6252 * config/m32c/predicates.md (m32c_any_operand): New.
6253 (m32c_nonimmediate_operand): New.
6254 (m32c_hl_operand): New.
6255 (m32c_r3_operand): New.
6258 (memsym_operand): New.
6259 (memimmed_operand): New.
6260 (a_qi_operand): New.
6261 (m32c_eqne_operator): New.
6262 (m32c_1bit8_operand): New.
6263 (m32c_1bit16_operand): New.
6264 (m32c_1mask8_operand): New.
6265 (m32c_1mask16_operand): New.
6266 * config/m32c/blkmov.md: New file.
6267 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6269 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6271 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6272 unsigned to fix signed/unsigned comparison issue in
6273 DWARF2_FRAME_REG_OUT.
6274 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6275 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6277 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6278 of ptr into the ENABLE_CHECKING section.
6280 2006-03-08 Jeff Law <law@redhat.com>
6282 * tree-vrp.c (infer_value_range): Only count pointer uses
6283 and dereferences if -fdelete-null-pointer-checks is enabled.
6285 * tree-vrp.c (find_assert_locations): Infer value ranges for
6286 single use pointers, but do not create ASSERT_EXPRs for them.
6287 When a non-null range is inferred for a pointer, backwards
6288 propagate that range to other equivalent pointers through the
6291 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6294 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6295 language hook targets.
6296 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6297 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6298 if language hook targets were missing.
6300 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6302 * tree-ssa-opfinalize.h: Removed.
6303 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6305 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6306 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6307 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6308 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6309 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6310 finalize_ssa_v_must_def_ops): New.
6312 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6314 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6317 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6319 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6321 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6322 addresses with offsets; reorganize.
6324 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6325 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6326 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6328 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6331 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6333 2006-03-08 Ben Elliston <bje@au.ibm.com>
6335 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6337 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6340 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6343 2006-03-07 Richard Guenther <rguenther@suse.de>
6345 PR tree-optimization/26587
6346 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6348 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6350 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6352 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6354 * hooks.c (hook_bool_mode_rtx_true): New function.
6355 * hooks.h (hook_bool_mode_rtx_true): Declare.
6356 * toplev.c (compile_file): Call output_shared_constant_pool.
6357 * varasm.c (shared_constant_pool): New variable.
6358 (assemble_start_function, assemble_end_function): Remove arguments
6359 from call to output_constant_pool.
6360 (create_constant_pool): New function, split out from...
6361 (init_varasm_status): ...here.
6362 (force_const_mem): Choose between the shared and per-function constant
6363 pools. Set current_function_uses_const_pool when reusing old entries
6364 as well as when creating new ones.
6365 (mark_constant): Ignore data argument.
6366 (mark_constants): Remove pool argument.
6367 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6368 to decide whether the function uses a constant pool.
6369 (output_constant_pool_contents): New function, split out from...
6370 (output_constant_pool): ...here.
6371 (output_shared_constant_pool): New function.
6372 (init_varasm_once): Initialize shared_constant_pool.
6373 * output.h (output_constant_pool): Delete.
6374 (output_shared_constant_pool): Declare.
6375 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6376 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6378 2006-03-06 Nick Clifton <nickc@redhat.com>
6380 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6381 flag_strength_reduce.
6383 2006-03-06 Ben Elliston <bje@au.ibm.com>
6385 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6386 x86_64-*-linux* configurations.
6388 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6389 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6391 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6393 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6395 * basic-block.h: Remove the extern for
6396 rediscover_loops_after_threading.
6398 * cfgloop.c (cancel_loop): Make it static.
6399 * cfgloop.h: Remove the prototype for cancel_loop.
6401 * flow.c (recompute_reg_usage): Make it static.
6402 * rtl.h: Remove the prototype for recompute_reg_usage.
6404 * function.c (use_return_register): Make it static.
6405 * function.h: Remove the prototype.
6407 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6409 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6411 * recog.h: Remove the prototype for
6412 validate_change_maybe_volatile.
6414 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6416 * rtlanal.c (replace_reg): Remove.
6417 * rtl.h: Remove the prototype for replace_reg.
6419 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6421 * regclass.c (reg_scan_update): Remove.
6422 (reg_scan_mark_refs): Remove the last argument.
6423 * rtl.h: Remove the prototype for reg_scan_update.
6425 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6427 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6428 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6429 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6430 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6431 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6432 loop-invariant.c, omp-low.c, opts.c, passes.c,
6433 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6434 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6435 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6436 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6437 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6438 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6440 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6442 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6443 * dwarf2out.h: Remove the prototype for
6444 dwarf2out_add_library_unit_info.
6446 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6448 * tree.c (add_var_to_bind_expr): Remove.
6449 * tree.h: Remove the prototype for add_var_to_bind_expr.
6451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6453 * regclass.c (n_non_fixed_regs): Remove.
6454 (init_reg_sets_1, globalize_reg): Remove all uses of
6456 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6458 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6460 * rtlanal.c (insns_safe_to_move_p): Remove.
6461 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6465 * expmed.c (expand_mult_add): Remove.
6466 * expr.h: Remove the prototype for expand_mult_add.
6468 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6470 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6471 and REG_SAVED_VAL_EXP constants.
6472 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6473 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6474 Handle regs stored by value.
6475 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6476 (execute_cfa_program): Handle DW_CFA_val_offset,
6477 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6478 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6479 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6480 (uw_install_context_1): Handle target regs stored by value.
6482 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6484 * tree-sra.c (tree_sra): Return todoflags;
6485 (generate_one_element): Set TODO_update_smt_usage if needed.
6486 (pass_sra): Remove TODO_update_smt_usage.
6487 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6489 (tree_ssa_forward_propagate_single_use_vars): Return
6490 TODO_update_smt_usage if we need to update SMT usage.
6491 (pass_forwprop): Remove TODO_update_smt_usage.
6493 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6495 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6496 (correct_use_link): Remove reference to get_stmt_operands.
6497 (update_stmt_operands): Likewise.
6498 (get_modify_expr_operands): New function factored out of
6499 parse_ssa_operands and get_expr_operands.
6500 Try to create V_MUST_DEFs for LHS by default.
6501 (get_expr_operands) <case MODIFY_EXPR>: Call
6502 get_modify_expr_operands.
6503 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6504 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6505 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6506 get_modify_expr_operands.
6508 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6510 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6511 * tree-flow.h: Remove the prototype for
6512 referenced_var_lookup_if_exists.
6514 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6516 PR rtl-optimization/26345
6518 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6520 2006-03-03 Roger Sayle <roger@eyesopen.com>
6522 PR tree-optimization/26524
6523 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6524 fold_convert to create a constant of the appropriate type.
6526 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6528 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6529 SYMBOL_REF_IN_BLOCK_P.
6530 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6531 of SYMBOL_FLAG_IN_BLOCK.
6532 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6533 instead of SYMBOL_REF_IN_BLOCK_P.
6534 * explow.c (use_anchored_address): Likewise.
6535 * rtl.c (rtx_size): Likewise.
6536 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6537 instead of SYMBOL_FLAG_IN_BLOCK.
6538 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6539 SYMBOL_REF_IN_BLOCK_P.
6540 (assemble_variable): Likewise.
6541 (output_constant_def_contents): Likewise.
6542 (output_constant_pool): Likewise.
6543 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6544 instead of SYMBOL_FLAG_IN_BLOCK.
6545 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6546 SYMBOL_REF_IN_BLOCK_P.
6547 (SYMBOL_REF_BLOCK): Likewise.
6548 (SYMBOL_REF_OFFSET): Likewise.
6549 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6550 SYMBOL_REF_IN_BLOCK_P.
6551 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6552 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6553 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6554 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6556 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6558 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6560 2006-03-02 Roger Sayle <roger@eyesopen.com>
6562 * simplify-rtx.c (simplify_unary_operation): When simplifying
6563 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6564 that we perform the right shift in the appropriate mode, and
6565 then extend or truncate the result to requested mode.
6567 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6569 * gengtype.c (main): Handle double_int type.
6570 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6571 * double-int.c: New file.
6572 * double-int.h: New file.
6573 * system.h: Include doubleint.h.
6574 * Makefile.in (SYSTEM_H): Include double-int.h.
6575 (double-int.o): Add.
6577 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6580 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6583 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6585 * tree-vrp.c (remove_range_assertions): Do not update statements
6588 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6590 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6592 * gcse.c (rest_of_handle_gcse): Ditto.
6593 * except.c (gate_handle_eh): Ditto.
6594 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6595 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6597 2006-03-02 Eric Christopher <echristo@apple.com>
6599 * config/i386/i386.c (machopic_output_stub): Add indirection to
6602 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6606 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6608 Sun Niagara specific optimizations.
6609 * config.gcc: Recognize niagara as target.
6610 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6611 (TARGET_CPU_niagara): Define.
6612 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6613 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6614 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6615 (ASM_CPU_SPEC): Likewise.
6616 (PROCESSOR_NIAGARA): New enum entry.
6617 (REGISTER_MOVE_COST): Handle Niagara.
6618 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6619 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6620 (sparc_override_options): Recognize "niagara", set appropriate
6621 default MASK_* values for it, and align functions to 32-bytes
6622 by default just like ULTRASPARC/ULTRASPARC3.
6623 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6624 (sparc64_initialize_trampoline): Likewise.
6625 (sparc_use_sched_lookahead): Use zero for niagara.
6626 (sparc_issue_rate): Use one for niagara.
6627 * config/sparc/niagara.md: New file.
6628 * config/sparc/sparc.md: Include it.
6629 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6630 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6631 when default cpu is niagara.
6632 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6633 (ASM_CPU_SPEC): Likewise.
6634 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6635 when default cpu is niagara.
6636 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6637 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6638 just like v9/ultrasparc/ultrasparc3.
6639 * doc/invoke.texi: Add documentation for "niagara" and improve
6640 existing documentation for ultrasparc variants.
6642 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6644 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6646 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6648 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6649 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6650 and say that only one is needed.
6651 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6652 * target.h (have_switchable_bss_sections): New hook.
6653 * explow.c (use_anchored_address): Check that the symbol is in a block.
6654 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6655 (bss_noswitch_section): New variables.
6656 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6657 (get_noswitch_section): New function.
6658 (get_block_for_section): Allow SECT to be null.
6659 (unlikely_text_section_p): Use SECTION_STYLE.
6660 (bss_initializer_p): New function.
6661 (get_variable_section): Move earlier in file. Take a new argument,
6662 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6663 Return one of the new *_sections in such cases.
6664 (get_block_for_decl): New function, extracting some logic from
6665 use_blocks_for_decl_p.
6666 (change_symbol_section): Remove in favor of...
6667 (change_symbol_block): ...this new function.
6668 (use_blocks_for_decl_p): Remove checks now performed by
6670 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6671 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6672 (emit_local, emit_bss, emit_common): ...these new functions.
6673 Return true if the alignment was honored.
6674 (emit_tls_common): New function.
6675 (asm_emit_uninitialised): Delete.
6676 (assemble_variable_noswitch): New function, split out from...
6677 (assemble_variable): ...here. Don't make decisions about common
6678 variables here. Globalize all public decls that go into non-common
6679 sections. Check whether SYMBOL_REF_BLOCK is null.
6680 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6681 (output_constant_pool): Likewise.
6682 (init_varasm_once): Initialize the new section variables.
6683 (have_global_bss_p): New function.
6684 (categorize_decl_for_section): Use bss_initializer_p.
6685 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6686 (place_block_symbol): Assert that the symbol must be in a block.
6687 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6688 (TARGET_INITIALIZER): Include it.
6689 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6690 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6691 (SECTION_MACH_DEP): Bump by two.
6692 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6693 (unnamed_section): Mention SECTION_UNNAMED in comment.
6694 (named_section): Likewise SECTION_NAMED.
6695 (noswitch_section_callback): New type.
6696 (noswitch_section): New structure.
6697 (section): Add a noswitch_section alternative.
6698 (SECTION_STYLE): New macro.
6699 (tls_comm_section, comm_section, lcomm_section): Declare.
6700 (bss_noswitch_section, have_global_bss_p): Declare.
6701 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6702 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6704 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6705 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6708 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6710 * tree-vrp.c (execute_vrp): Return value.
6711 * regrename.c (rest_of_handle_regrename): Ditto.
6712 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6713 * tree-complex.c (tree_lower_complex): Ditto.
6714 (tree_lower_complex_O0): Ditto.
6715 * tracer.c (rest_of_handle_tracer): Ditto.
6716 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6717 * postreload.c (rest_of_handle_postreload): Ditto.
6718 * tree-tailcall.c (execute_tail_recursion): Ditto.
6719 (execute_tail_calls): Ditto.
6720 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6721 * tree.h (init_function_for_compilation): Ditto.
6722 * ipa-cp.c (ipcp_driver): Ditto.
6723 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6724 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6725 * final.c (compute_alignments): Ditto.
6726 (rest_of_handle_final): Ditto.
6727 (rest_of_handle_shorten_branches): Ditto.
6728 (rest_of_clean_state): Ditto.
6729 * omp-low.c (execute_expand_omp): Ditto.
6730 (execute_lower_omp): Ditto.
6731 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6732 * ipa-reference.c (static_execute): Ditto.
6733 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6734 * reorg.c (rest_of_handle_delay_slots): Ditto.
6735 (rest_of_handle_machine_reorg): Ditto.
6736 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6737 * flow.c (recompute_reg_usage): Ditto.
6738 (rest_of_handle_remove_death_notes): Ditto.
6739 (rest_of_handle_life): Ditto.
6740 (rest_of_handle_flow2): Ditto.
6741 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6742 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6743 (do_ssa_store_ccp): Ditto.
6744 (execute_fold_all_builtins): Ditto.
6745 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6746 * modulo-sched.c (rest_of_handle_sms): Ditto.
6747 * ipa-pure-const.c (static_execute): Ditto.
6748 * cse.c (rest_of_handle_cse): Ditto.
6749 (rest_of_handle_cse2): Ditto.
6750 * web.c (rest_of_handle_web): Ditto.
6751 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6752 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6753 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6754 * tree-nrv.c (tree_nrv): Ditto.
6755 (execute_return_slot_opt): Ditto.
6756 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6757 (create_structure_vars): Ditto.
6758 * loop-init.c (rtl_loop_init): Ditto.
6759 (rtl_loop_done): Ditto.
6760 (rtl_move_loop_invariants): Ditto.
6761 (rtl_unswitch): Ditto.
6762 (rtl_unroll_and_peel_loops): Ditto.
6763 (rtl_doloop): Ditto.
6764 * gimple-low.c (lower_function_body): Ditto.
6765 (mark_used_blocks): Ditto.
6766 * tree-ssa-sink.c (execute_sink_code): Ditto.
6767 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6768 (cgraph_early_inlining): Ditto.
6769 * global.c (rest_of_handle_global_alloc): Ditto.
6770 * jump.c (cleanup_barriers): Ditto.
6771 (purge_line_number_notes): Ditto.
6772 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6773 (rest_of_handle_if_after_reload): Ditto.
6774 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6775 (tree_ssa_loop_im): Ditto.
6776 (tree_ssa_loop_unswitch): Ditto.
6777 (tree_vectorize): Ditto.
6778 (tree_linear_transform): Ditto.
6779 (tree_ssa_loop_ivcanon): Ditto.
6780 (tree_ssa_empty_loop): Ditto.
6781 (tree_ssa_loop_bounds): Ditto.
6782 (tree_complete_unroll): Ditto.
6783 (tree_ssa_loop_prefetch): Ditto.
6784 (tree_ssa_loop_ivopts): Ditto.
6785 (tree_ssa_loop_done): Ditto.
6786 * predict.c (tree_estimate_probability): Ditto.
6787 * recog.c (split_all_insns_noflow): Ditto.
6788 (rest_of_handle_peephole2): Ditto.
6789 (rest_of_handle_split_all_insns): Ditto.
6790 * tree-eh.c (lower_eh_constructs): Ditto.
6791 * regmove.c (rest_of_handle_regmove): Ditto.
6792 (rest_of_handle_stack_adjustments): Ditto.
6793 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6794 * function.c (instantiate_virtual_regs): Ditto.
6795 (init_function_for_compilation): Ditto.
6796 (rest_of_handle_check_leaf_regs): Ditto.
6797 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6798 (rest_of_handle_gcse): Ditto.
6799 * ipa-type-escape.c (type_escape_execute): Ditto.
6800 * alias.c (rest_of_handle_cfg): Ditto.
6801 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6802 * profile.c (rest_of_handle_branch_prob): Ditto.
6803 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6804 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6805 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6806 * tree-dfa.c (find_referenced_vars): Ditto.
6807 * except.c (set_nothrow_function_flags): Ditto.
6808 (convert_to_eh_region_ranges): Ditto.
6809 (rest_of_handle_eh): Ditto.
6810 * emit-rtl.c (unshare_all_rtl): Ditto.
6811 (remove_unnecessary_notes): Ditto.
6812 * except.h (set_nothrow_function_flags): Ditto.
6813 (convert_to_eh_region_ranges): Ditto.
6814 * cfgexpand.c (tree_expand_cfg): Ditto.
6815 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6816 * tree-ssa-pre.c (do_pre): Ditto.
6817 (execute_fre): Ditto.
6818 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6819 (rest_of_handle_jump2): Ditto.
6820 * tree-sra.c (tree_sra): Ditto.
6821 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6822 (execute_mudflap_function_decls): Ditto.
6823 * tree-ssa-copy.c (do_copy_prop): Ditto.
6824 (do_store_copy_prop): Ditto.
6825 * ipa-prop.h (ipcp_driver): Ditto.
6826 * cfglayout.c (insn_locators_initialize): Ditto.
6827 * tree-ssa-forwprop.c
6828 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6829 * cfglayout.h (insn_locators_initialize): Ditto.
6830 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6831 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6832 (execute_late_warn_uninitialized): Ditto.
6833 * rtl.h (cleanup_barriers): Ditto.
6834 (split_all_insns_noflow): Ditto.
6835 (purge_line_number_notes): Ditto.
6836 (unshare_all_rtl): Ditto.
6837 (remove_unnecessary_notes): Ditto.
6838 (recompute_reg_usage): Ditto.
6839 (variable_tracking_main): Ditto.
6840 * integrate.c (emit_initial_value_sets): Ditto.
6841 * integrate.h (emit_initial_value_sets): Ditto.
6842 * tree-optimize.c (execute_free_datastructures): Ditto
6843 (execute_free_cfg_annotations): Ditto.
6844 (execute_fixup_cfg): Ditto.
6845 (execute_cleanup_cfg_pre_ipa): Ditto.
6846 (execute_cleanup_cfg_post_optimizing): Ditto.
6847 (execute_init_datastructures): Ditto.
6848 * tree-object-size.c (compute_object_sizes): Ditto.
6849 * combine.c (rest_of_handle_combine): Ditto.
6850 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6851 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6852 (rest_of_handle_reorder_blocks): Ditto.
6853 (rest_of_handle_partition_blocks): Ditto.
6854 * var-tracking.c (variable_tracking_main): Ditto.
6855 * tree-profile.c (tree_profiling): Ditto.
6856 * tree-vect-generic.c (expand_vector_operations): Ditto.
6857 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6858 * sched-rgn.c (rest_of_handle_sched): Ditto.
6859 (rest_of_handle_sched2): Ditto.
6860 * basic-block.h (free_bb_insn): Ditto.
6861 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6862 * tree-cfg.c (execute_build_cfg): Ditto.
6863 (remove_useless_stmts): Ditto.
6864 (split_critical_edges): Ditto.
6865 (execute_warn_function_return): Ditto.
6866 (execute_warn_function_noreturn): Ditto.
6867 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6868 * cfgrtl.c (free_bb_for_insn): Ditto.
6869 * passes.c (execute_one_pass): Run additional
6870 todos returned by execute function.
6871 * tree-pass.h (struct tree_opt_pass): Make execute
6874 2006-03-02 Richard Guenther <rguenther@suse.de>
6876 * tree-ssa-alias.c (find_used_portions): Consider taking
6877 the address as making the variable not write-only.
6879 2006-03-02 Nick Clifton <nickc@redhat.com>
6881 * config.gcc (default_use_cxa_atexit): Extend the description of
6882 this configure variable. Set its default value to "yes" for
6883 Linux, NetBSD and ELF targets on the assumption that they will
6884 use C libraries with the __cxa_atexit function.
6886 2006-03-02 Ben Elliston <bje@au.ibm.com>
6888 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6889 parameter as unused to suppress a build warning.
6891 2006-03-02 Ben Elliston <bje@au.ibm.com>
6893 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6896 2006-03-01 Roger Sayle <roger@eyesopen.com>
6899 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6900 declared name, the weak reference name, and the typeof name.
6901 (__gthrw): Avoid expanding the declared name suffix.
6902 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6904 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6906 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6908 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6909 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6910 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6911 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6912 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6913 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6914 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6915 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6916 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6917 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6918 (DW_END_default, DW_END_big, DW_END_little): New.
6919 (DW_END_lo_user, DW_END_hi_user): Define.
6920 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6921 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6922 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6925 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6927 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6929 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6931 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6933 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6935 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6936 to 'symbol_mem_tag'.
6938 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6941 2006-03-01 Roger Sayle <roger@eyesopen.com>
6943 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6945 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6948 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6949 MACHO_DYNAMIC_NO_PIC_P.
6950 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6952 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6955 * config/darwin-protos.h (darwin_asm_output_anchor):
6957 * config/darwin-sections.def (cstring_section):
6958 Add SECTION_MERGE to the flags.
6959 (literal4_section): Likewise.
6960 (literal8_section): Likewise.
6961 (objc_selector_refs_section): Likewise.
6962 (objc_cls_refs_section): Likewise.
6963 * config/darwin.c (darwin_asm_output_anchor): New
6965 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6967 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6969 Fix PR tree-optimization/26443
6970 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6971 to todo and PROP_tmt_usage to properties_destroyed.
6972 * tree-ssa-ccp.c (pass_ccp): Ditto.
6973 (pass_store_ccp): Ditto.
6974 * tree-ssa-dom.c (pass_dominator): Ditto.
6976 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6978 * tree-ssa-operands.c: Cleanup whitespace.
6979 (get_asm_expr_operands): Move before first invocation.
6980 (get_indirect_ref_operands): Likewise.
6981 (get_tmr_operands): Likewise.
6982 (get_call_expr_operands): Likewise.
6983 (append_def): Likewise.
6984 (append_use): Likewise.
6985 (append_v_may_def): Likewise.
6986 (append_v_must_def): Likewise.
6987 (add_call_clobber_ops): Likewise.
6988 (add_call_read_ops): Likewise.
6989 (add_stmt_operand): Likewise.
6990 (add_virtual_operand): Likewise.
6991 (build_ssa_operands): Likewise.
6993 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6998 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6999 with a call expr to ...
7000 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7002 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7004 * tree-vrp.c (extract_range_from_assert): Remove special
7005 handling for types with super-types.
7007 2006-03-01 Ben Elliston <bje@au.ibm.com>
7009 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7010 and powerpc64-*-linux* configurations.
7011 * config/t-dfprules: New file.
7013 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7014 Compile dfp-bit.c from the source directory using -DWIDTH and
7015 $DFP_CFLAGS to control the compilation of that file, rather than
7016 generating width-specific versions in the build directory.
7017 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7018 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7020 2006-02-28 Zack Weinberg <zackw@panix.com>
7022 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7025 2006-02-28 Eric Christopher <echristo@apple.com>
7027 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7028 Set up IN_LIBGCC definition of TARGET_64BIT.
7029 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7031 2006-02-28 Roger Sayle <roger@eyesopen.com>
7034 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7035 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7036 cases via the construction of "expr != 0".
7038 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7040 * alias.c (alias_invariant, alias_invariant_size): Remove.
7041 (record_base_value): Remove.
7042 (memrefs_conflict_p): Don't look at alias_invariant.
7043 (end_alias_analysis): Don't free it.
7044 * alias.h (record_base_value): Remove prototype.
7046 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7047 Adam Nemet <anemet@caviumnetworks.com>
7049 * rtl.h (truncated_to_mode): Declare it.
7050 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7051 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7052 (RTL_HOOKS_INITIALIZER): Include it.
7053 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7054 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7055 reg_truncated_to_mode.
7056 * rtlanal.c (truncated_to_mode): Define it.
7057 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7059 2006-02-28 Jeff Law <law@redhat.com>
7061 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7062 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7063 the range allowed by TYPE_PRECISION.
7065 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7067 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7069 PR tree-optimization/26419
7070 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7073 2006-02-27 Zack Weinberg <zackw@panix.com>
7075 * doc/md.texi: Fix typo in previous change.
7077 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7081 2006-02-27 Zack Weinberg <zackw@panix.com>
7083 * rtl.def (define_constraint, define_register_constraint)
7084 (define_memory_constraint, define_address_constraint): New MD forms.
7085 * gensupport.c (process_rtx): Put define_constraint etc on the
7087 * genpreds.c (process_define_predicate): Adjust comment. Validate
7088 the name, and call validate_exp to validate the expression.
7089 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7090 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7091 all callers changed.
7092 (validate_exp, needs_variable, struct constraint_data)
7093 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7094 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7095 (const_dbl_constraints, constraint_max_namelen)
7096 (have_register_constraints, have_memory_constraints)
7097 (have_address_constraints, have_address_constraints)
7098 (have_extra_constraints, have_const_int_constraints)
7099 (have_const_dbl_constraints, mangle, add_constraint)
7100 (process_define_constraint, process_define_register_constraint)
7101 (write_enum_constraint_num, write_lookup_constraint)
7102 (write_insn_constraint_len, write_regclass_for_constraint)
7103 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7104 (write_insn_extra_memory_constraint)
7105 (write_insn_extra_address_constraint)
7106 (write_satisfies_constraint_fns): New.
7107 (write_tm_preds_h): If we have new-style constraint definitions,
7108 prototype the functions generated from them, and define the
7109 old constraint interface (still used by generic code) in terms of
7111 (write_insn_preds_c): If we have new-style constraint definitions,
7112 generate all relevant functions from those definitions.
7113 (main): Handle define_constraint etc.
7114 * genoutput.c (struct constraint_data, indep_constraints)
7115 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7116 (mdep_constraint_len): New data structures and functions, defined
7117 #ifdef USE_MD_CONSTRAINTS.
7118 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7119 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7120 use new logic to validate operand constraints against constraint
7122 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7124 * defaults.h: If none of the old-style constraint macros are
7125 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7126 old-style macros; and poison REG_CLASS_FROM_LETTER,
7127 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7129 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7130 * doc/md.texi: Document new constraint-definition mechanism and the
7131 C interface it provides. Remove references to old mechanism
7132 elsewhere in the document.
7133 (Machine Constraints): Use pathnames relative to gcc directory,
7134 i.e. config/ARCH/FILE. Change i386 section to refer to
7135 config/i386/predicates.md; update that section to match docstrings.
7136 * doc/tm.texi: Move all documentation of the old constraint-
7137 definition macros to their own section, clearly mark as obsolete.
7139 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7140 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7142 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7143 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7144 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7146 (splits and peepholes): Use satisfies_constraint_*.
7147 * config/i386/i386.c (memory_address_length)
7148 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7150 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7152 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7153 scalar operation to be put back into the loop.
7155 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7158 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7159 (extract_cie_info): Handle S flag in augmentation string.
7160 (execute_cfa_program): If context->signal_frame, execute also
7161 fs->pc == context->ra instructions.
7162 (uw_frame_state_for): If context->signal_frame, don't subtract one
7163 from context->ra to find FDE.
7164 (uw_update_context_1): Set context->signal_frame to
7166 (_Unwind_GetIPInfo): New function.
7167 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7168 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7170 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7171 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7172 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7173 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7174 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7175 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7176 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7177 x86_64_fallback_frame_state): Set fs->signal_frame.
7178 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7179 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7180 (frob_update_context): Likewise. Workaround missing S flag in
7181 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7182 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7183 Remove the psw_addr + 1 hack.
7185 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7187 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7188 with aggregates here.
7189 (find_func_aliases): Remove code for &<aggregate> from here.
7191 2006-02-26 Roger Sayle <roger@eyesopen.com>
7193 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7194 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7195 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7198 2006-02-26 Roger Sayle <roger@eyesopen.com>
7201 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7203 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7205 * opts.c (decode_options): Do not handle flag_strength_reduce.
7206 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7207 and OPT_fstrength_reduce.
7208 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7209 flag_prefetch_loop_arrays for being nonzero.
7210 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7212 (fprefetch-loop-arrays-rtl): Removed.
7213 (flag_prefetch_loop_arrays): Do not specify the value.
7215 * doc/passes.texi: Update documentation of loop optimizer
7217 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7218 -frerun-loop-opt): Remove.
7220 2006-02-26 Richard Guenther <rguenther@suse.de>
7222 PR tree-optimization/26421
7223 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7224 in function calls that are ADDR_EXPRs as using the whole structure.
7226 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7228 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7229 * tree-pass.h (pass_loop_optimize): Remove.
7230 * passes.c (pass_loop_optimize): Never run it.
7231 * toplev.c (backend_init): Don't call init_loop.
7232 * opts.c (flag_loop_optimize_set): Remove.
7233 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7234 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7235 the old RTL loop optimizer when profiling enabled.
7236 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7237 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7238 pre-headers for the sake of the old RTL loop optimizer.
7239 * Makefile.in: Remove all references to loop.o.
7241 * doc/invoke.texi: Remove all references to -floop-optimize
7242 and -frerun-loop-opt.
7244 2006-02-26 Zack Weinberg <zackw@panix.com>
7246 * doc/md.texi (Machine Constraints): Refer to all files with paths
7247 relative to gcc directory (i.e. config/CPU/file). Add missing
7248 @table @code ... @end table to M32C subsection.
7250 2006-02-26 Roger Sayle <roger@eyesopen.com>
7252 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7254 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7256 2006-02-26 Roger Sayle <roger@eyesopen.com>
7257 James A. Morrison <phython@gcc.gnu.org>
7260 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7261 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7262 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7263 signedness of the shift operation.
7265 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7267 PR tree-optimization/26359
7268 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7270 2006-02-25 Roger Sayle <roger@eyesopen.com>
7272 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7273 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7274 as X == 0, and some symmetry related transformations.
7275 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7277 2006-02-25 Roger Sayle <roger@eyesopen.com>
7280 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7281 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7282 symmetry related transformations. Fold (X^C1) == C2 as
7285 2006-02-25 Juergen Weigert <jw@suse.de>
7286 Richard Guenther <rguenther@suse.de>
7288 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7290 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7292 * combine.c (gen_lowpart_or_truncate): Call
7293 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7295 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7297 * doc/invoke.texi: Move -fopenmp description to "Options for
7299 Remove reference to -lgomp.
7301 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7303 * doc/install.texi: Require GNU tar version 1.14.
7305 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7307 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7308 * doc/invoke.texi (C++ Dialect Options): Document
7309 -fno-use-cxa-get-exception-ptr.
7310 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7311 * configure: Regenerate.
7312 * c.opt (fuse-cxa-get-exception-ptr): New.
7313 * c-opts.c (c_common_handle_option): Handle
7314 OPT_fuse_cxa_get_exception_ptr.
7315 * c-common.c (flag_use_cxa_atexit): Update documentation.
7316 (flag_use_cxa_get_exception_ptr): New.
7317 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7318 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7320 (C_COMMON_OVERRIDE_OPTIONS): New.
7322 2006-02-24 Roger Sayle <roger@eyesopen.com>
7325 * combine.c (try_combine): Explicitly check whether GET_CODE is
7326 a SET or a CLOBBER, instead on checking that it isn't a USE.
7328 2006-02-24 Roger Sayle <roger@eyesopen.com>
7330 * fold-const.c (fold_comparison): New subroutine of fold_binary
7331 containing transformations common to both the equality and
7332 ordering relational operators, factored out of fold_binary.
7333 (fold_binary): Separate out the equality operators (EQ_EXPR
7334 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7335 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7336 transformations common to both.
7337 (fold_div_compare): Fix latent bugs in the previously unreachable
7338 LT_EXPR and GE_EXPR cases.
7340 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7342 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7343 decl libname for clog to __clog on AIX.
7345 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7347 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7350 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7351 output traceback table for thunks. Localise rs6000_stack_info call.
7353 2006-02-23 Roger Sayle <roger@eyesopen.com>
7354 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7356 * gthr-posix.h (__gthrw): Fix typo in comment.
7358 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7360 * doc/cpp.texi (Character sets): Document that we do support
7361 input files to be in any character set.
7363 2006-02-23 Jeff Law <law@redhat.com>
7365 * tree.h (PHI_ARG_NONZERO): Remove.
7366 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7367 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7368 node to the new node.
7370 PR tree-optimization/26425
7371 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7372 min/max, then assume its varying.
7374 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7376 PR rtl-optimization/26316
7377 * rtlanal.c (enum may_trap_p_flags): New.
7378 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7379 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7380 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7381 (may_trap_after_code_motion_p): New function.
7382 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7383 (find_invariant_insn): Use may_trap_after_code_motion_p.
7384 * rtl.h (may_trap_after_code_motion_p): Declare.
7386 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7388 * emit-rtl.c (immed_double_const): Cleanup.
7390 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7392 Fix PR tree-optimization/26376
7393 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7396 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7399 * gimplify.c (omp_add_variable): Guard variable size decl test with
7400 DECL_SIZE (decl) check.
7402 2006-02-23 Richard Guenther <rguenther@suse.de>
7405 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7406 like aggregate types.
7408 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7410 * configure.ac: Add --with{,out}-long-double-128 configure option.
7411 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7412 * configure: Rebuilt.
7413 * config.in: Rebuilt.
7414 * doc/install.texi (Options specification): Document
7415 --with-long-double-128.
7417 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7418 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7419 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7420 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7422 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7424 * config/s390/s390.c (override_options): Handle
7425 TARGET_DEFAULT_LONG_DOUBLE_128.
7427 * config/alpha/alpha.c (override_options): Handle
7428 TARGET_DEFAULT_LONG_DOUBLE_128.
7430 * config/sparc/sparc.c (sparc_override_options): Handle
7431 TARGET_DEFAULT_LONG_DOUBLE_128.
7433 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7435 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7436 (real-install-headers-tar, real-install-headers-cpio)
7437 (real-install-headers-cp): New targets.
7439 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7441 * tree.h (variable_section): Delete.
7442 * varasm.c (variable_section): Delete.
7444 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7446 * install.texi: Add notes on install.texi2html.
7447 (Building in parallel): Do not use footnotes.
7449 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7452 * doc/install.texi (Configuration): Document --disable-libgomp.
7454 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7456 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7458 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7460 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7461 (vec_extractv2df_0_sse): New.
7463 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7465 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7466 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7467 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7468 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7469 to the result of the expression.
7470 (def_cfa_1): Adjust.
7471 (frame_pointer_cfa_offset): Rename to...
7472 (frame_pointer_fb_offset): ... this. Adjust all uses.
7473 (convert_cfa_to_loc_list): Rename to...
7474 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7475 Pass it on to build_cfa_loc.
7476 (compute_frame_pointer_to_cfa_displacement): Rename to...
7477 (compute_frame_pointer_to_fb_displacement): ... this. New
7478 offset parameter. Use it in computation.
7479 (gen_subprogram_die): Compute cfa_fb_offset with the new
7480 macro, and use it to compute the fb loc list and the
7483 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7485 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7486 replaced with register_operand.
7487 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7488 non-DREG is expensive.
7489 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7490 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7493 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7495 * doc/install.texi2html: Use set -e.
7497 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7499 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7500 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7501 * doc/invoke.texi (-fshared-data): Delete.
7502 * common.opt (fshared-data): Delete.
7503 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7504 (assemble_static_space): Remove #if 0 code.
7505 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7506 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7507 * config/cris/cris.h: Remove FIXME.
7509 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7511 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7514 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7517 * combine.c (simplify_shift_const_1): Disable nested shifts
7518 optimization for vector shifts.
7520 2006-02-20 Roger Sayle <roger@eyesopen.com>
7522 PR tree-optimization/26361
7523 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7524 of unsigned integer types.
7526 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7528 * tree-chrec.c (eq_evolutions_p): New.
7529 * tree-chrec.h (eq_evolutions_p): Declared.
7530 * tree-data-ref.c: Fix formatting.
7531 (datadep_stats, dependence_stats): New.
7533 (print_direction_vector): New.
7534 (dump_data_dependence_relation): Use print_direction_vector.
7535 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7536 (compute_subscript_distance): Static.
7537 (initialize_data_dependence_relation): Static. Get the number
7538 of loops surrounding the references from the callers, and initialize
7539 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7540 base_object_differ_p analyzers.
7541 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7542 compute_overlap_steps_for_affine_1_2,
7543 analyze_subscript_affine_affine): Count the classified dependences.
7544 Print a message when a test failed.
7545 (can_use_analyze_subscript_affine_affine): New.
7546 (analyze_siv_subscript): Compute the data dependences on symbolic
7547 scevs that verify can_use_analyze_subscript_affine_affine.
7548 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7549 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7550 Handle symbolic scevs.
7551 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7553 (subscript_dependence_tester): Moved...
7554 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7555 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7556 DDR_SIZE_VECT instead of getting it in parameter.
7557 (subscript_dependence_tester): ... here. Take as a parameter
7558 loop_nest_depth. Call build_classic_dist_vector and
7559 build_classic_dir_vector.
7560 (compute_affine_dependence): Update subscript_dependence_tester
7561 parameters. Update datadep_stats counters. Call
7562 compute_subscript_distance.
7563 (compute_self_dependence): Save the dist and dir vectors. Call
7564 compute_subscript_distance.
7565 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7566 (compute_all_dependences): Reorder parameters as they were before
7567 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7568 compute_subscript_distance. Update the use of
7569 compute_affine_dependence and initialize_data_dependence_relation.
7570 (find_data_references_in_loop): Handle COMPONENT_REF.
7571 (compute_data_dependences_for_loop): Initialize dependence_stats.
7572 Don't call build_classic_dist_vector and build_classic_dir_vector.
7573 Update the parameters of initialize_data_dependence_relation and
7574 compute_all_dependences. Print the statistics from datadep_stats.
7575 (analyze_all_data_dependences): Static. Not used until the pass for
7576 checking the data dependences is contributed.
7577 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7578 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7579 (initialize_data_dependence_relation, compute_affine_dependence,
7580 analyze_all_data_dependences, compute_subscript_distance): Removed.
7581 (print_direction_vector): New.
7582 * lambda.h (gcd): ... here.
7583 (lambda_vector_gcd): Moved here from gcd_vector.
7584 * lambda-code.c (gcd, gcd_vector): Removed.
7585 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7586 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7588 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7590 * ipa-type-escape.c: Tidy some comments and white space.
7591 * tree-ssa-operands.c: Likewise.
7593 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7596 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7597 (dump_decl_name): Do not walk the decl tree chains.
7598 * tree-pass.h (TDF_CHAIN): Remove.
7600 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7602 * Makefile.in (C): Remove
7604 (.PHONY): Remove C and PROTO
7606 2006-02-20 Roger Sayle <roger@eyesopen.com>
7609 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7610 deprecated CHAR_TYPE tree code.
7612 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7614 * configure.ac (target_list): Add install-info, dvi, html.
7615 * configure: Regenerate.
7617 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7618 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7619 treelang/Make-lang.in: Do not use double-colon rules.
7621 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7623 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7624 (TMT_USED_ALONE): New macro.
7625 * tree-pass.h (PROP_tmt_usage): New property.
7626 (TODO_update_tmt_usage): New todo.
7627 * tree-ssa-alias.c (updating_used_alone): New variable.
7628 (recalculate_used_alone): New function.
7629 (compute_may_aliases): Set updating_used_alone, call
7630 recalculate_used_alone.
7631 * tree-sra.c (pass_sra): Note that this pass destroys
7632 PROP_tmt_usage, and add TODO_update_tmt_usage.
7633 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7634 * tree-flow.h (updating_used_alone): Prototype.
7635 (recalculate_used_alone): Ditto.
7636 * passes.c (execute_todo): Add code to set updating_used_alone,
7637 and call recalculate.
7638 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7639 for clobber if used alone, and add assert to verify used_alone
7642 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7644 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7645 for non tls symbols added.
7646 (legitimize_address): Do nothing for PLUS expressions if one of the
7647 addends is a tls symbol reference.
7649 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7653 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7655 * Makefile.in (BOOTSTRAPPING): New.
7656 (quickstrap): New definition if BOOTSTRAPPING=yes.
7658 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7659 * configure.ac: Substitute all_selected_languages with the languages
7660 that were configured. For all the other variables except
7661 lang_specs_files, include all the languages in the tree.
7662 * configure: Regenerate.
7664 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7665 if there is one. Run the commands to run fixincludes in the same
7668 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7669 * doc/install.texi: Document exact conventions for searching target tools.
7670 Document --with-build-time-tools. Document toplevel bootstrap. Document
7671 something more about building an Ada cross-compiler. Don't list GNU Make
7672 requirements which affect all platforms.
7674 2006-02-19 Roger Sayle <roger@eyesopen.com>
7677 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7678 only equivalent if the have both the same mode and precision.
7680 2006-02-20 Ben Elliston <bje@au.ibm.com>
7682 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7684 2006-02-19 Roger Sayle <roger@eyesopen.com>
7685 Steven Bosscher <stevenb.gcc@gmail.com>
7687 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7688 constant pool references to identify stack mode constants.
7689 * rtlanal.c (constant_pool_constant_p): New predicate to check
7690 whether operand is a floating point constant in the pool.
7691 * rtl.h (constant_pool_constant_p): Prototype here.
7692 * loop.c (scan_loop): Avoid hoisting constants from the constant
7693 pool on STACK_REGS targets.
7694 (load_mems): Likewise.
7695 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7696 loads into x87 registers expensive in terms of register pressure.
7698 2006-02-19 Roger Sayle <roger@eyesopen.com>
7700 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7701 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7703 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7705 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7706 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7708 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7710 * doc/invoke.texi: Document -fipa-pta.
7711 * common.opt: Add ipa-pta option.
7712 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7713 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7714 (do_ds_constraint): Ditto.
7715 (get_constraint_for): Only add to referenced_vars if
7716 referenced_vars exists.
7717 (insert_into_field_list): Rewrite to do this unsorted.
7718 (insert_into_field_list_sorted): Rename old insert_into_field_list
7720 (create_function_info_for): Use insert_into_field_list_sorted.
7721 (create_variable_info_for): Rewrite so it uses unsorted version,
7722 since the field list is sorted.
7723 (intra_create_variable_infos): Only add to referenced_vars if
7724 referenced_vars exists.
7725 (ipa_pta_execute): Init heapvars, and delete when done.
7726 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7728 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7730 * doc/install.texi: Add missing `@samp'.
7732 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7734 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7737 2006-02-18 Mark Wielaard <mark@klomp.org>
7739 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7740 who added new 4.1 features, bug fixes and integration support.
7742 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7745 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7748 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7750 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7751 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7752 (copy_insn_1): Likewise. Don't copy each field individually.
7754 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7756 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7757 * rtl.c (rtx_size): Rename variable to...
7758 (rtx_code_size): ...this.
7759 (rtx_size): New function.
7760 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7761 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7763 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7764 * rtl.h (rtx_code_size): New variable.
7765 (rtx_size): Change from a variable to a function.
7766 (RTX_SIZE): Rename to...
7767 (RTX_CODE_SIZE): ...this.
7770 PR tree-optimization/17106
7771 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7772 (Anchored Addresses): New section.
7773 * doc/invoke.texi (-fsection-anchors): Document.
7774 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7775 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7776 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7777 * hooks.c (hook_bool_mode_rtx_false): New function.
7778 * hooks.h (hook_bool_mode_rtx_false): Declare.
7779 * gengtype.c (create_optional_field): New function.
7780 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7781 SYMBOL_REF_IN_BLOCK_P is true.
7782 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7783 (min_anchor_offset, max_anchor_offset): Likewise.
7784 (use_anchors_for_symbol_p): New hook.
7785 * toplev.c (compile_file): Call output_object_blocks.
7786 (target_supports_section_anchors_p): New function.
7787 (process_options): Check that -fsection-anchors is only used on
7788 targets that support it and when -funit-at-a-time is in effect.
7789 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7790 if the decl doesn't have one.
7791 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7792 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7793 of force_const_mem through use_anchored_address.
7794 (expand_expr_constant): New function.
7795 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7796 calling expand_expr for INDIRECT_REF.
7797 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7798 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7799 * expr.h (use_anchored_address): Declare.
7800 * loop-unroll.c: Don't declare rtx vectors here.
7801 * explow.c: Include output.h.
7802 (validize_mem): Call use_anchored_address.
7803 (use_anchored_address): New function.
7804 * common.opt (-fsection-anchors): New switch.
7805 * varasm.c (object_block_htab, anchor_labelno): New variables.
7806 (hash_section, object_block_entry_eq, object_block_entry_hash)
7807 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7808 (use_blocks_for_decl_p, change_symbol_section): New functions.
7809 (get_variable_section): New function, split out from assemble_variable.
7810 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7811 use_blocks_for_decl_p say so. Use change_symbol_section if the
7812 symbol has already been created.
7813 (assemble_variable_contents): New function, split out from...
7814 (assemble_variable): ...here. Don't output any code for
7815 block symbols; just pass them to place_block_symbol.
7816 Use get_variable_section and assemble_variable_contents.
7817 (get_constant_alignment, get_constant_section, get_constant_size): New
7818 functions, split from output_constant_def_contents.
7819 (build_constant_desc): Create a block symbol if use_object_blocks_p
7820 says so. Or into SYMBOL_REF_FLAGS.
7821 (assemble_constant_contents): New function, split from...
7822 (output_constant_def_contents): ...here. Don't output any code
7823 for block symbols; just pass them to place_section_symbol.
7824 Use get_constant_section and get_constant_alignment.
7825 (force_const_mem): Create a block symbol if use_object_blocks_p and
7826 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7827 (output_constant_pool_1): Add an explicit alignment argument.
7828 Don't switch sections here.
7829 (output_constant_pool): Adjust call to output_constant_pool_1.
7830 Switch sections here instead. Don't output anything for block symbols;
7831 just pass them to place_block_symbol.
7832 (init_varasm_once): Initialize object_block_htab.
7833 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7834 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7835 (place_block_symbol, get_section_anchor, output_object_block)
7836 (output_object_block_htab, output_object_blocks): New functions.
7837 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7838 (TARGET_ASM_OUT): Include it.
7839 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7840 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7841 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7842 (TARGET_INITIALIZER): Include them.
7843 * rtl.c (rtl_check_failed_block_symbol): New function.
7844 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7845 (block_symbol, object_block): New structures.
7846 (rtx_def): Add a block_symbol field to the union.
7847 (BLOCK_SYMBOL_CHECK): New macro.
7848 (rtl_check_failed_block_symbol): Declare.
7849 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7850 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7851 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7852 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7853 * output.h (output_section_symbols): Declare.
7854 (object_block): Name structure.
7855 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7856 (default_use_anchors_for_symbol_p): Declare.
7857 * Makefile.in (RTL_BASE_H): Add vec.h.
7858 (explow.o): Depend on output.h.
7859 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7860 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7861 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7862 (rs6000_use_blocks_for_constant_p): New function.
7864 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7866 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7868 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7871 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7874 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7876 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7880 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7883 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7884 instead of DECL_REGISTER.
7886 2006-02-18 Olivier Hainque <hainque@adacore.com>
7889 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7891 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7894 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7895 * opth-gen.awk: Handle Var and InverseMask together.
7896 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7897 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7898 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7899 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7901 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7902 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7903 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7904 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7905 LINUX_DYNAMIC_LINKER): Define.
7906 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7907 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7909 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7910 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7911 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7913 (TARGET_C99_FUNCTIONS): Don't define.
7914 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7915 GLIBC_DYNAMIC_LINKER.
7916 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7917 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7918 GLIBC_DYNAMIC_LINKER64): Define.
7919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7920 LINUX_DYNAMIC_LINKER64.
7921 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7923 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7925 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7927 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7928 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7929 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7931 and LINUX_DYNAMIC_LINKER32.
7932 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7934 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7936 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7938 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7939 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7940 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7941 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7942 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7943 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7944 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7945 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7946 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7947 LINUX_DYNAMIC_LINKER): Define.
7948 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7949 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7950 GLIBC_DYNAMIC_LINKER64): Define.
7951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7952 LINUX_DYNAMIC_LINKER64.
7953 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7954 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7955 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7956 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7957 LINUX_DYNAMIC_LINKER): Define.
7958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7959 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7960 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7961 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7962 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7963 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7964 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7965 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7966 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7967 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7969 * doc/invoke.texi (-muclibc): Remove caveat about supported
7972 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7974 * doc/cpp.texi (__TIMESTAMP__): Document.
7976 2006-02-17 Roger Sayle <roger@eyesopen.com>
7979 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7980 C is one less than the width of X (and related transformations).
7981 * simplify-rtx.c (simplify_unary_operation_1): Transform
7982 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7983 depending on STORE_FLAG_VALUE, were C is one less then the
7986 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7988 Fix PR tree-optimization/26341
7989 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7990 about NAME_MEMORY_TAG's.
7992 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7995 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7996 with hardware float support, and software float support. Add fcpy
7997 alternative to hardware patterns. Add alternatives to copy between
7998 general and floating-point registers to the 32-bit pattern.
7999 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8000 secondary reload to load a QI or HI mode constant into a floating
8002 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8003 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8005 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8008 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8010 (load_macho_picbase_di): Likewise.
8012 2006-02-16 Jeff Law <law@redhat.com>
8014 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8015 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8016 (ssa_name_nonzero_p): Likewise.
8017 (get_value_range): Return NULL if VRP is not running.
8018 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8019 VRP routines do not discover a range.
8020 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8021 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8022 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8023 (tree_expr_nonnegative_p): Similarly.
8024 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8025 (restore_nonzero_vars_to_original_value): Remove.
8026 (unsafe_associative_fp_binop): Remove.
8027 (tree_ssa_dominator_optimize): Remove initialization and
8028 finalization of nonzero_vars and nonzero_vars_stack.
8029 (dom_opt_initialize_block): No longer push marker on
8031 (dom_opt_finalize_block): No longer call
8032 restore_nonzero_vars_to_original_value.
8033 (record_equivalences_from_phis): No longer look for
8034 nonzero PHI arguments.
8035 (cprop_into_successor_phis): No longer propagate nonzero
8036 property into PHI arguments. Lose unused argument. Caller
8038 (record_equivalences_from_stmt): No longer record nonzero
8039 values for SSA_NAMEs.
8040 (lookup_avail_expr): No longer use nonzero_vars.
8042 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8043 for sizetype when sizetype is unsigned.
8045 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8047 PR rtl-optimization/25603
8048 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8049 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8050 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8051 with new meaning of SETS.
8053 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8058 * config/linux.opt: New file.
8059 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8060 LINUX_DYNAMIC_LINKER): Define.
8061 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8062 * config.gcc (*-*-linux*): Define extra_options.
8063 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8064 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8065 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8066 GLIBC_DYNAMIC_LINKER.
8067 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8068 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8069 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8070 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8071 * doc/invoke.texi (GNU/Linux Options): New section.
8073 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8075 * config/sparc/sparc.md (setjmp): Rewrite.
8076 (setjmp_32): Delete.
8077 (setjmp_64): Likewise.
8079 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8081 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8084 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8086 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8089 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8091 PR rtl-optimization/26296
8092 * Makefile.in (loop-invariant.c): Add except.h dependency.
8093 * loop-invariant.c: Include except.h.
8094 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8096 2005-02-16 Paul Brook <paul@codesourcery.com>
8098 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8101 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8103 PR rtl-optimization/25636
8104 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8105 when deciding whether an insn is an initializing insn.
8107 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8109 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8110 (tree_code_size): Ditto.
8111 * tree.h (struct tree_memory_tag): Remove parent_var.
8112 (struct tree_struct_field_tag): New.
8115 (union tree_node): Add sft member.
8116 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8118 (create_sft): Add size and offset argument, set SFT_OFFSET and
8120 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8121 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8122 * tree-flow-inline.h (get_subvar_at): Update for
8123 SFT_OFFSET/SFT_SIZE.
8124 (var_can_have_subvars): Ditto.
8125 (overlap_subvar): Ditto.
8126 * print-tree.c (print_node): Print out interesting things for
8128 * tree-flow.h (struct subvar): Remove offset and size members.
8129 * tree-ssa-operands.c (get_expr_operands): Update for
8130 get_indirect_ref_operands changes.
8131 (get_indirect_ref_operands): Call add_virtual_operand instead of
8132 add_stmt_operand. Only recurse on base var if requested.
8133 (access_can_touch_variable): New function.
8134 (add_stmt_operand): Split virtual operand handling into ...
8135 (add_virtual_operand): Here. Add offset, size, and for_clobber
8136 arguments. Prune alias sets.
8137 (add_call_clobber_ops): Call add_virtual_operand.
8139 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8142 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8144 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8145 than TREE_CODE as index into omp_clause_num_ops array.
8147 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8149 PR rtl-optimization/26184
8150 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8152 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8153 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8154 must_precede, must_follow and tobe_scheduled.
8157 * opts.c (common_handle_option): Free new_option pointer.
8158 * df-core.c (df_analyze): Free postorder pointer.
8160 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8162 * Makefile.in: Fix the examples about the use of stamps
8164 2006-02-15 Michael Matz <matz@suse.de>
8168 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8169 influenced by maximum_field_alignment or DECL_PACKED.
8170 (update_alignment_for_field): Ditto.
8171 (place_field): Ditto.
8172 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8175 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8177 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8178 (debug_flow_info): Pass it.
8179 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8180 * bb-reorder.c (reorder_basic_blocks): Likewise.
8181 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8182 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8183 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8184 * gcse.c (gcse_main, bypass_jumps): Likewise.
8185 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8186 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8187 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8188 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8189 * rtl.h (dump_flow_info): Adjust prototype.
8190 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8191 * var-tracking.c (variable_tracking_main): Likewise.
8192 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8193 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8196 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8198 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8201 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8203 PR tree-optimization/26209
8204 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8205 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8207 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8209 2006-02-14 Roger Sayle <roger@eyesopen.com>
8212 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8213 (X,Y) and the corresponding symmetry related transformations.
8214 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8215 (X,Y) and its symmetry related transformations.
8217 2006-02-14 Roger Sayle <roger@eyesopen.com>
8219 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8222 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8224 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8226 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8229 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8230 support COMDAT group.
8231 * configure: Regenerate.
8233 2006-02-14 Roger Sayle <roger@eyesopen.com>
8238 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8240 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8242 Fix PR tree-optimization/26260
8244 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8246 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8247 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8248 * tree-ssa-structalias.c (create_variable_info_for): Use
8249 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8251 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8253 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8255 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8256 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8257 of the ending condition.
8258 * tree-ssa-loop-manip.c: Include params.h.
8259 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8260 tree_unroll_loop): New functions.
8261 * tree-pass.h (pass_loop_prefetch): Declare.
8262 * loop.c (rest_of_handle_loop_optimize): Test for
8263 -fprefetch-loop-arrays-rtl.
8264 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8265 * timevar.def (TV_TREE_PREFETCH): New timevar.
8266 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8267 pass_loop_prefetch): New.
8268 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8269 (cleanup_tree_cfg_loop): Call scev_reset.
8270 * common.opt (fprefetch-loop-arrays-rtl): Add.
8271 * tree-ssa-loop-prefetch.c: New file.
8272 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8273 (new_temp_expr_table): Initialize expr_vars.
8274 (free_temp_expr_table): Cleanup expr_vars.
8275 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8276 expressions from being merged into one.
8277 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8278 (struct tree_niter_desc): Add control, bound and cmp fields.
8279 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8281 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8282 (tree-cfgcleanup.o): Add SCEV_H dependency.
8283 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8284 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8286 2006-02-14 Richard Guenther <rguenther@suse.de>
8288 PR tree-optimization/26258
8289 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8290 in PHI argument processing.
8292 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8294 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8295 new expression in the requested machine mode.
8297 2006-02-13 Roger Sayle <roger@eyesopen.com>
8299 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8300 directly, instead let do_compare_rtx_and_jump handle this for us.
8301 * expr.c (expand_expr_real_1): Likewise.
8302 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8303 before do_jump_by_parts_greater.
8304 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8305 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8307 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8309 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8311 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8313 PR rtl-optimization/26235
8314 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8315 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8318 2006-02-13 Jeff Law <law@redhat.com>
8320 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8323 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8326 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8327 twice if decl is a builtin. When trying again, call get_callee_fndecl
8328 first to verify it is still a builtin.
8330 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8332 * dwarf2out.c (base_type_die): Don't add AT_name here.
8333 (subrange_type_die): Don't add AT_name here.
8334 (modified_type_die): Rearrange code flow. Do add AT_name here.
8336 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8338 PR rtl-optimization/26247
8339 PR rtl-optimization/26248
8340 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8342 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8344 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8345 * config/fixtfdi.c: Likewise.
8346 * config/fixunstfdi.c: Likewise.
8347 * config/floatditf.c: Likewise.
8349 2006-02-13 Roger Sayle <roger@eyesopen.com>
8352 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8353 into (X,C2) if C1 is a subset of the bits of C2. Transform
8354 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8356 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8358 2006-02-13 Josh Conner <jconner@apple.com>
8361 * varasm.c (function_section): Check for section name before
8362 calling select_section on targets that define
8363 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8364 unlikely_text_section instead of hot_function_section if
8365 first_function_block_is_cold.
8367 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8370 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8372 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8374 PR rtl-optimization/26222
8375 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8376 after tree->rtl expansion.
8377 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8378 before passing it to emit_move_insn.
8380 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8382 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8384 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8385 Clarify documentation.
8386 * c-common.h (warn_write_strings): Remove.
8387 * c-common.c (warn_write_strings): Likewise.
8388 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8391 2006-02-12 Roger Sayle <roger@eyesopen.com>
8394 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8395 (do_jump_parts_zero_rtx): New function renamed from
8396 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8397 (do_jump_parts_equality_rtx): New function split out from
8398 do_jump_parts_equality. Old implementation renamed as above.
8399 Call do_jump_parts_zero_rtx if either operand is zero.
8400 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8401 do all of the heavy lifting.
8402 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8403 calling either do_jump_by_parts_greater_rtx or
8404 do_jump_by_parts_equality_rtx.
8405 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8406 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8407 moved to do_compare_rtx_and_jump, call it directly.
8408 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8409 mode argument. Call do_compare_rtx_and_jump.
8410 (emit_case_nodes): Update calls to do_jump_if_equal.
8412 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR rtl-optimization/26225
8415 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8417 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8419 PR rtl-optimization/26232
8420 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8422 2006-02-11 Jason Merrill <jason@redhat.com>
8425 * tree-inline.c (declare_return_variable): Just don't use the
8426 modify target if it's a gimple complex reg and the return slot
8429 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8431 * doc/contrib.texi: Update my entry.
8433 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8435 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8437 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8439 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8442 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8444 * doc/invoke.texi (-floop-optimize2): Removed.
8445 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8446 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8447 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8448 * common.opt (floop-optimize2): Removed.
8449 (fmove-loop-invariants): Enabled by default.
8451 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8453 * tree-if-conv.c (combine_blocks): Free the result of
8454 get_loop_exit_edges.
8456 2006-02-10 Jeff Law <law@redhat.com>
8458 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8460 PR tree-optimization/26213
8461 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8462 loop trying to follow SSA_NAME_VALUE chains.
8464 2006-02-10 Richard Guenther <rguenther@suse.de>
8466 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8467 deal with structures that end in implicitly variable sized arrays.
8469 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8471 PR rtl-optimization/24762
8472 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8475 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8477 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8478 (struct ivopts_data): Add regs_used field.
8479 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8480 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8481 instead of loop_data->regs_used;
8482 (free_loop_data): Do not free aux fields for loops.
8483 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8484 and tree_ssa_iv_optimize_finalize.
8486 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8488 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8490 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8493 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8494 computing the effective result type.
8496 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8499 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8500 (tree_overlaps_hard_reg_set): Declare.
8501 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8502 type and signature to match function type expected by walk_tree.
8503 (tree_overlaps_hard_reg_set): New function.
8504 (decl_conflicts_with_clobbers_p): Rename to:
8505 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8506 Use tree_overlaps_hard_reg_set. Changed caller.
8507 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8508 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8509 * cris.c (cris_md_asm_clobbers): Likewise.
8511 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8513 * reload1.c (emit_input_reload_insns): Delete code that tries to
8514 inherit using find_equiv_reg.
8516 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8518 * c-common.h (flag_const_strings): Don't declare.
8519 * c-common.c (flag_const_strings): Remove.
8520 * c.opt (fconst_strings): Remove.
8521 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8522 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8523 (c_common_init_options): Don't set flag_const_strings.
8524 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8526 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8528 * arm.md (tlobits_cbranch): New pattern.
8529 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8530 testing a single bit.
8532 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8535 * tree-ssa-pre.c (create_component_ref_by_pieces):
8536 Handle RETURN_DECL like VAR_DECL.
8538 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8541 * fold-const.c (fold_indirect_ref_1): Fold
8542 "*(foo *)&complexfoo" to "__real__ complexfoo"
8543 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8545 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8547 * tree-flow-inline.h (var_can_have_subvars):
8548 Volatile variables should not have subvariables.
8550 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8553 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8554 multiplying unsigned values.
8557 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8559 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8561 2006-02-08 Jason Merrill <jason@redhat.com>
8564 * tree.def: Elaborate on difference from MODIFY_EXPR.
8565 * doc/c-tree.texi (INIT_EXPR): Likewise.
8566 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8567 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8568 (gimplify_target_expr): Likewise.
8569 (gimplify_cond_expr): Remove target handling.
8570 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8571 (gimplify_expr): Clobber it here.
8572 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8573 Do return slot optimization if we have an INIT_EXPR.
8576 * tree-inline.c (declare_return_variable): Also clear
8577 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8580 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8583 * gimplify.c (gimplify_one_sizepos): Fix typo.
8585 2006-02-08 Jeff Law <law@redhat.com>
8587 PR tree-optimization/21417
8588 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8589 across a backedge if the control statement at the end of the
8590 block is data dependent on other statements in the same block.
8591 (record_temporary_equivalences_from_stmts): Remove over-conservative
8592 test for threading across backedges.
8594 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8595 control statement, handle all three special cases in the same
8596 manner as they all have the same desired solution. No longer
8597 special case edge flag updating when the post dominator is
8600 2006-02-08 Roger Sayle <roger@eyesopen.com>
8602 * tree.def (CHAR_TYPE): Remove.
8603 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8604 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8605 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8606 (gen_string_type_die): Delete unreachable function.
8608 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8609 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8610 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8611 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8612 * builtins.c (type_to_class): Likewise.
8613 * fold-const.c (fold_convert, build_range_check,
8614 merge_ranges): Likewise.
8615 * expr.c (count_type_elements): Likewise.
8616 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8617 * stor-layout.c (layout_type): Likewise.
8618 * ipa-type-escape.c (type_to_consider): Likewise.
8619 * gimplify.c (omp_firstprivatize_type_sizes,
8620 gimplify_type_sizes): Likewise.
8621 * explow.c (promote_mode): Likewise.
8622 * tree-sra.c (is_sra_scalar_type): Likewise.
8623 * varasm.c (output_constant): Likewise.
8624 * tree-inline.c (remap_type_1): Likewise.
8625 * convert.c (convert_to_pointer, convert_to_real,
8626 convert_to_integer, convert_to_complex): Likewise.
8628 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8630 * df-scan.c (df_def_record_1): A set destination may
8631 be a parallel regardless of mode.
8633 2006-02-08 Roger Sayle <roger@eyesopen.com>
8636 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8637 * config/mips/_tilib.c: Remove.
8638 * config/fixtfdi.c: New libgcc source file.
8639 * config/fixunstfdi.c: New source file.
8640 * config/floatditf.c: New source file.
8641 * config/floatunditf.c: New souce file.
8642 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8643 files above instead of config/mips/_tilib.c.
8644 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8646 2006-02-08 Jeff Law <law@redhat.com>
8648 PR tree-optimization/26169
8649 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8652 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8654 * df.h (DF_REG_SIZE): Return the length of the initialized
8657 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8659 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8660 __muldf3): Return a correctly signed zero.
8662 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8664 * passes.c (register_one_dump_file): Accept the current properties
8665 instead of pass number. Adjust call to dump_register. Remove
8667 (register_dump_files): Now a wrapper around...
8668 (register_dump_files_1): ... this one. Do not modify the pass
8670 (next_pass_1): Cosmetic fix.
8671 (execute_todo): Keep second parameter only. Use curr_properties
8672 instead of fetching it from the pass structure. Check and set
8674 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8675 instead of fetching it from the pass structure. Fix calls to
8676 execute_todo. Update curr_properties and initialize .vcg RTL dump
8677 after running the pass. Reset last_verified.
8678 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8680 (FIRST_AUTO_NUMBERED_DUMP): New.
8681 (dump_register): Remove "num" parameter, assign it within the
8683 (get_dump_file_name): Modify template for dumps.
8684 * tree-dump.h (dump_register): Adjust prototype.
8685 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8686 (PROP_trees): Add PROP_gimple_lomp.
8687 (TODO_set_props): New.
8688 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8689 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8690 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8692 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8694 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8695 (sparc64-*-linux*): Likewise.
8696 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8697 * config/sparc/t-linux: New file.
8698 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8699 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8700 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8701 -m32 -mlong-double-128.
8703 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8704 * config/alpha/t-linux: New file.
8705 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8707 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8708 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8709 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8710 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8711 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8712 (CPP_ARCH32_SPEC): Remove.
8714 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8716 PR tree-optimization/26145
8717 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8720 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8723 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8724 >= 240000 when generating code for SOM runtime.
8725 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8726 to $$dyncall when generating code for SOM runtime..
8728 2006-02-07 Dirk Mueller <dmueller@suse.com>
8731 * doc/invoke.texi (-Wsequence-point): Update documentation
8732 that -Wsequence-point is implemented for C++ as well.
8734 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8736 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8737 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8738 (LIB_SPEC): Likewise.
8739 * doc/invoke.texi (SPARC options): Document -pthread.
8741 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8743 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8746 2006-02-07 Roger Sayle <roger@eyesopen.com>
8748 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8749 Correct comment describing BOOLEAN_TYPE.
8751 2006-02-07 Dirk Mueller <dmueller@suse.com>
8753 * c.opt: C++ frontend supports -Wdiv-by-zero.
8754 * c-opts.c (c_common_handle_option): Remove dead case.
8756 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8758 * configure.ac (TLS assembler check): Do not enable TLS by
8759 default on SPARC/Solaris before version 10.
8760 * configure: Regenerate.
8762 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8764 * doc/invoke.texi (xl-compat): Document conversion and support
8767 2006-02-07 Jeff Law <law@redhat.com>
8769 * tree-vrp.c (find_conditional_asserts): Update comments.
8770 (simplify_stmt_for_jump_threading): New.
8771 (identify_jump_threads, finalize_jump_threads): New.
8772 (vrp_finalize): Call identify_jump_threads.
8773 (execute_vrp): Call finalize_jump_threads.
8774 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8775 (vrp_element, vrp_data, vrp_element_p): Remove.
8776 (vrp_hash_elt, vrp_variables_stack): Remove.
8777 (vrp_hash, vrp_eq, record_range): Remove.
8778 (simplify_cond_and_lookup_avail_expr): Remove.
8779 (extract_range_from_cond): Remove.
8780 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8781 (simplify_stmt_for_jump_threading): New.
8782 (dom_thread_across_edge): New wrapper.
8783 (tree_ssa_dominator_optimize): No longer initialize or
8784 finalize any of the VRP datastructures. Remove iteration
8785 step and simplify as a result of removal of iteration step.
8786 (pass_dominator): Perform a cfg cleanup after DOM.
8787 (dom_opt_finalize_block): Use the new common routines
8788 for threading jumps. Simplify stack management slightly.
8789 No longer need to unwind VRP state.
8790 (record_equivalences_from_incoming_edge): No longer record
8792 (eliminate_redundant_computations): No longer call
8793 simplify_cond_and_lookup_avail_expr.
8794 * tree-flow.h (potentially_threadable_block): Prototype.
8795 (thread_across_edge): Likewise.
8796 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8797 (tree-ssa-threadedge.o): Add dependencies.
8798 * tree-ssa-threadedge.c: New file.
8799 * passes.c (init_optimization_passes): Merge PHIs before
8800 calling VRP. Run VRP again late in the SSA optimization pipeline.
8802 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8804 * df-core.c (df_set_blocks): Do not dereference function pointers.
8805 (df_finish1): Likewise.
8806 (df_hybrid_search_forward): Likewise.
8807 (df_hybrid_search_backward): Likewise.
8808 (df_iterative_dataflow): Likewise.
8809 (df_analyze_problem): Likewise.
8810 (df_compact_blocks): Likewise.
8811 (df_dump): Likewise.
8812 * df-scan.c (df_rescan_blocks): Likewise.
8813 (df_record_entry_block_defs): Likewise.
8815 * genconditions.c (write_conditions): Guard the definition of
8816 'insn_conditions' with the check on GCC version.
8817 (write_writer): Guard the traversal 'insn_conditions' with
8818 the check on GCC version.
8820 2006-02-07 Richard Guenther <rguenther@suse.de>
8824 2006-01-30 Richard Guenther <rguenther@suse.de>
8826 * gimplify.c (gimplify_target_expr): Handle easy cases
8827 without creating a temporary.
8829 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8831 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8832 use of float in probability computations. Use edge probabilities
8833 in place of statically computed probabilities.
8834 (min_spec_prob): New static variable.
8835 (schedule_insns): Initialize it.
8836 (GET_SRC_PROB): Removed.
8837 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8839 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8842 * config/ia64/unwind-ia64.c: Revert last change.
8843 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8844 (INCOMING_FRAME_SP_OFFSET): Define.
8846 2006-02-06 Roger Sayle <roger@eyesopen.com>
8848 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8850 2006-02-07 Ben Elliston <bje@au.ibm.com>
8852 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8853 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8854 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8855 (ix86_return_in_memory): Handle TDmode.
8856 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8857 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8859 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8861 * reorg.c (dbr_schedule): Use dump_file instead of file.
8863 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8866 * config/ia64/predicates.md (extr_len_operand): New predicate.
8867 * config/ia64/ia64.md (extv): Tighten constraints.
8869 (*tbit_and_2): Ditto.
8870 (*tbit_and_3): Ditto.
8871 (*tbit_or_2): Ditto.
8872 (*tbit_or_3): Ditto.
8876 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8879 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8881 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8883 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8884 loop_optimizer_init and loop_optimizer_finalize
8885 * tree-ssa-sink.c (execute_sink_code): Ditto.
8886 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8887 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8888 tree_ssa_loop_done): Ditto.
8889 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8890 * sched-ebb.c: Include output.h.
8891 (schedule_ebbs): Do not use dump argument.
8892 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8893 * loop.c (loop_dump_stream): Removed.
8894 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8896 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8897 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8898 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8899 loop_iterations, strength_reduce, record_biv, record_giv,
8900 final_giv_value, check_final_value, check_ext_dependent_givs,
8901 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8902 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8903 dump_file instead of loop_dump_stream.
8904 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8906 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8908 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8909 * haifa-sched.c: Include output.h
8910 (schedule_insns, sched_init): Do not use dump argument.
8911 * mode-switching.c (optimize_mode_switching): Ditto.
8912 * modulo-sched.c (stats_file): Removed.
8913 (print_node_sched_params): Do not call argument dump_file.
8914 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8915 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8917 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8919 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8920 rtl_loop_init, rtl_loop_done): Ditto.
8921 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8922 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8924 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8925 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8926 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8927 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8928 * emit-rtl.c (renumber_insns): Ditto.
8929 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8930 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8931 * regclass.c (regclass): Ditto.
8932 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8933 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8934 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8935 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8937 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8938 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8940 * gcse.c (gcse_file, debug_stderr): Removed.
8941 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8942 rest_of_handle_gcse): Do not use dump argument.
8943 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8944 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8945 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8946 compute_code_hoist_vbeinout, compute_code_hoist_data,
8947 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8948 compute_store_table, build_store_vectors, insert_insn_start_bb,
8949 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8950 store_motion): Use dump_file instead of gcse_file.
8951 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8952 * profile.c (profile_dump_file): Removed.
8953 (branch_prob): Use dump_file instead of profile_dump_file.
8954 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8956 * tree-ssa-copy.c (dump_copy_of): Ditto.
8957 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8958 dump file to life_analysis.
8959 * bt-load.c (branch_target_load_optimize): Ditto.
8960 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8962 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8963 regclass, dbr_schedule): Declaration changed.
8964 * sched-int.h (sched_init): Declaration changed.
8965 * tree-profile.c (tree_profile_dump_file): Removed.
8966 (tree_profile_hooks): Removed profile_dump_file hook.
8967 * rtl-profile (rtl_profile_dump_file): Removed.
8968 (rtl_profile_hooks): emoved profile_dump_file hook.
8969 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8971 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8972 * tree-cfg.c (build_tree_cfg): Ditto.
8973 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8974 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8975 Declaration changed.
8976 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8977 life_analysis and schedule_insns.
8978 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8980 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8982 * config/mips/mips.c (mips_reorg): Ditto.
8983 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8986 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8988 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8989 (s390_mangle_fundamental_type): New.
8990 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8993 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8994 (alpha_mangle_fundamental_type): New.
8995 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8998 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9000 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9002 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9003 (sparc_mangle_fundamental_type): New.
9005 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9007 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9008 (s390x-*-linux*): Likewise.
9009 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9010 * config/s390/t-linux: New file.
9012 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9014 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9015 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9017 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9019 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9020 (ANTIC_SAFE_LOADS): New macro.
9021 (find_or_generate_expression): Add prototype.
9022 (set_contains_value): Allow null set for sake of not always having
9023 to allocate ANTIC_SAFE_LOADS.
9024 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9025 Allow COMPONENT_REF too.
9026 (valid_in_set): Allow COMPONENT_REF.
9027 Check ANTIC_SAFE_LOADS too.
9028 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9029 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9031 (can_PRE_operation): Add COMPONENT_REF.
9032 (create_component_ref_by_pieces): New function.
9033 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9034 (insert_aux): Move AGGREGATE_TYPE_P check here.
9035 (compute_avail): Set bb local stmt uids.
9036 (pass_pre): Use TODO_update_ssa_only_virtuals.
9038 2006-02-06 Ben Elliston <bje@au.ibm.com>
9040 * configure.ac: Unconditionally disable decimal float by default.
9041 * configure: Regenerate.
9043 2006-02-06 Ben Elliston <bje@au.ibm.com>
9045 * read-rtl.c (read_name): Terminate reading on EOF.
9047 2006-02-06 Ben Elliston <bje@au.ibm.com>
9049 * dfp.c (decimal_real_arithmetic): Change second argument type
9050 from int to enum tree_code. Do not always return true, but now
9051 return result of any call to decimal_do helper functions.
9052 * dfp.h (decimal_real_arithmetic): Update prototype.
9054 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9056 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9058 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9061 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9064 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9066 * tree-vrp.c (cfg_loops): Removed.
9067 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9068 Use current_loops instead of cfg_loops. Pass flags to
9069 loop_optimizer_init.
9070 * cfgloopmanip.c (fix_loop_structure): Update only available
9072 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9073 loop_optimizer_init.
9074 * modulo-sched.c (build_loops_structure): Removed.
9075 (sms_schedule): Use loop_optimizer_init.
9076 * loop-init.c (loop_optimizer_init): Use flags to determine
9077 which properties of loops to prepare.
9078 (rtl_loop_init): Pass flags to loop_optimizer_init.
9079 * tree-ssa-sink.c (execute_sink_code): Ditto.
9080 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9081 * tree-ssa-pre.c (init_pre): Ditto.
9082 * cfgloop.h (LOOPS_NORMAL): New.
9083 (loop_optimizer_init): Declaration changed.
9085 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9087 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9088 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9090 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9092 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9094 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9095 * pa/t-pa64: Delete quadlib.c rule.
9096 * pa/x-ada: Revert last change.
9097 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9099 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9101 PR rtl-optimization/26087
9102 * rtlanal.c (canonicalize_condition): Do not cross basic block
9105 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9108 * config/ia64/ia64.c: Include debug.h.
9109 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9110 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9111 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9112 (process_epilogue, process_set, process_for_unwind_directive):
9113 Output unwind info only if requested. Add CFA info if requested.
9114 Add new arguments as needed. Adjust callers.
9115 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9117 (DWARF2_FRAME_INFO): Define to zero.
9118 * config/ia64/unwind-ia64.c: Remove code that compensated for
9119 the CFA offset error fixed above.
9120 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9121 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9122 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9123 -funwind-tables and -fexceptions to enable frame info.
9124 (dwarf2out_frame_init): Define initial CFA even if
9125 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9126 DWARF2_UNWIND_INFO is nonzero, not just defined.
9127 (dwarf2out_frame_finish): Output non-EH call frame info only
9128 if DWARF2_FRAME_INFO is nonzero.
9129 (convert_cfa_to_loc_list,
9130 compute_frame_pointer_to_cfa_displacement): Define even if
9131 unwind info is not supported.
9132 (gen_subprogram_die): Use the above unconditionally. Remove
9133 legacy alternate code.
9134 * toplev.c (compile_file): Compile in call to
9135 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9136 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9138 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9139 Jakub Jelinek <jakub@redhat.com>
9141 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9142 IBM extended float format long double as "g" on powerpc*-linux.
9144 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9147 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9148 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9150 2006-02-03 Jason Merrill <jason@redhat.com>
9153 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9156 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9157 on the return slot if it's an NRV.
9159 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9161 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9162 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9163 rewrite_use): Do not handle USE_OUTER.
9164 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9165 add_iv_outer_candidates, may_replace_final_value,
9166 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9167 (find_interesting_uses_op): Functionality of
9168 find_interesting_uses_outer_or_nonlin moved here.
9169 (find_interesting_uses_outside): Use find_interesting_uses_op.
9171 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9174 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9176 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9177 Ulrich Weigand <uweigand@de.ibm.com>
9180 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9181 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9182 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9183 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9185 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9186 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9187 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9188 Define secondary reloads for TFmode moves.
9189 (constant_modes): Add TFmode.
9190 (NR_C_MODES): Set to 8.
9191 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9193 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9194 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9195 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9196 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9197 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9198 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9199 (FPR mode macro): Add TFmode.
9200 (DSF mode macro): New.
9201 (<de>, <dee> mode attributes): Removed.
9202 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9203 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9204 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9205 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9206 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9207 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9208 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9209 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9210 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9211 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9212 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9213 "*negabs<mode>2", "sqrt<mode>2"):
9214 Changed <de> to <xde>. R constraint replaced by <Rf>.
9215 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9217 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9218 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9219 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9221 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9222 "extenddftf2", "extendsftf2"): New expanders.
9223 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9224 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9225 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9226 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9228 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9229 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9230 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9231 __floatditf): Add a GCC_4.1.0 symbol version tag.
9232 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9235 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9238 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9239 Use targetm.binds_local_p instead of TREE_PUBLIC.
9241 2006-02-02 Roger Sayle <roger@eyesopen.com>
9243 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9244 on INTEGER_TYPEs to indicate that it denotes a character type.
9245 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9246 signed_char_type_node, unsigned_char_type_node and char_type_node.
9247 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9248 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9249 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9251 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9252 Daniel Berlin <dberlin@dberlin.org>
9254 * tree-tailcall.c (arg_needs_copy_p): New function.
9255 (eliminate_tail_call): Use arg_needs_copy_p.
9256 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9257 (add_virtual_phis): New function.
9259 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9261 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9262 #ignore instead of #scratch for %g7 .register directive.
9264 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9266 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9269 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9271 * flow.c (calculate_global_regs_live): Assert that there aren't any
9274 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9276 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9278 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9279 bsi_after_labels iterator.
9280 * tree-if-conv.c (find_phi_replacement_condition,
9281 replace_phi_with_cond_modify_expr): Likewise.
9282 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9283 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9285 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9287 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9289 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9292 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9293 array after growing it.
9295 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9298 * fold-const.c (fold_checksum_tree): Change type of buf.
9300 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9302 * reload.c (push_secondary_reload): Initialize t_icode.
9304 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9306 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9307 -msoft-float -mlong-double-128 only issue a warning, but don't
9308 swich to DFmode long double.
9310 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9312 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9313 has a constant equivalent, iterate over equivalents for arg0,
9314 calling simplify_relational_operation and if there's a result
9315 cheaper than X, apply fold_rtx and return the result.
9317 2006-02-01 Jan Hubicka <jh@suse.cz>
9319 * opts.c (no_unit_at_a_time_default): New global variable.
9320 (decode_options): Use it.
9321 * opts.h (no_unit_at_a_time_default): Declare.
9323 2006-02-01 Paul Brook <paul@codesourcery.com>
9325 * function.c (assign_parm_setup_reg): Use function argument promotion
9327 * expr.c (expand_expr_real_1): Use function argument promotion rules
9330 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9332 * gcc.c (process_command): Change j to 'unsigned int'.
9334 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9337 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9338 Use the corrected index for the character
9339 out of the string constant.
9341 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9343 * mode-switching.c (optimize_mode_switching): Fix size
9344 allocated for bb_info[n_entities].
9346 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9348 * gcc.c (main): Correct type that is allocated for
9349 explicit_link_files.
9351 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9353 * config/s390/s390.c (init_alignment_context): Set
9354 ALIAS_SET_MEMORY_BARRIER on the MEM.
9355 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9357 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9360 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9362 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9365 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9367 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9368 * regrename.c: Ditto.
9369 * tree-ssa-loop-im.c: Ditto.
9370 * tree-dump.c: Ditto.
9371 * tree-complex.c: Ditto.
9372 * genrecog.c: Ditto.
9373 * tree-ssa-threadupdate.c: Ditto.
9375 * java/class.c: Ditto.
9376 * java/jcf-parse.c: Ditto.
9377 * java/resource.c: Ditto.
9378 * java/except.c: Ditto.
9379 * java/jvspec.c: Ditto.
9380 * java/jcf-write.c: Ditto.
9381 * java/jcf-path.c: Ditto.
9382 * java/gjavah.c: Ditto.
9383 * java/zextract.c: Ditto.
9384 * java/jcf-io.c: Ditto.
9385 * java/jcf.h: Ditto.
9386 * java/buffer.c: Ditto.
9387 * java/lang.c: Ditto.
9388 * java/parse-scan.y: Ditto.
9389 * java/lex.c: Ditto.
9390 * java/lex.h: Ditto.
9391 * cfgloopmanip.c: Ditto.
9392 * postreload-gcse.c: Ditto.
9393 * tree-ssa-loop-manip.c: Ditto.
9394 * postreload.c: Ditto.
9395 * tree-ssa-loop-ch.c: Ditto.
9399 * diagnostic.c: Ditto.
9401 * genoutput.c: Ditto.
9403 * cfghooks.c: Ditto.
9404 * cfgloopanal.c: Ditto.
9405 * objc/objc-act.c: Ditto.
9407 * genextract.c: Ditto.
9408 * genautomata.c: Ditto.
9409 * pretty-print.c: Ditto.
9411 * cgraphunit.c: Ditto.
9414 * haifa-sched.c: Ditto.
9415 * dominance.c: Ditto.
9417 * tree-ssa-loop-ivopts.c: Ditto.
9419 * mode-switching.c: Ditto.
9420 * modulo-sched.c: Ditto.
9422 * ipa-pure-const.c: Ditto.
9424 * fix-header.c: Ditto.
9426 * tree-stdarg.c: Ditto.
9427 * ipa-utils.c: Ditto.
9428 * loop-init.c: Ditto.
9429 * ipa-inline.c: Ditto.
9432 * alloc-pool.c: Ditto.
9433 * dwarf2out.c: Ditto.
9435 * genattrtab.c: Ditto.
9436 * tree-ssa-loop-ivcanon.c: Ditto.
9440 * fortran/gfortranspec.c: Ditto.
9442 * local-alloc.c: Ditto.
9443 * langhooks.c: Ditto.
9444 * function.c: Ditto.
9445 * tree-vectorizer.c: Ditto.
9447 * ipa-type-escape.c: Ditto.
9449 * tree-if-conv.c: Ditto.
9452 * tree-data-ref.c: Ditto.
9453 * loop-unroll.c: Ditto.
9454 * treelang/treetree.c: Ditto.
9457 * ggc-common.c: Ditto.
9459 * coverage.c: Ditto.
9461 * tree-cfgcleanup.c: Ditto.
9462 * tree-ssa-pre.c: Ditto.
9463 * cfgcleanup.c: Ditto.
9464 * loop-invariant.c: Ditto.
9466 * ipa-prop.c: Ditto.
9467 * print-tree.c: Ditto.
9468 * conflict.c: Ditto.
9469 * ggc-page.c: Ditto.
9470 * sched-deps.c: Ditto.
9471 * regclass.c: Ditto.
9472 * tree-object-size.c: Ditto.
9474 * bb-reorder.c: Ditto.
9475 * resource.c: Ditto.
9476 * var-tracking.c: Ditto.
9478 * df-problems.c: Ditto.
9479 * reg-stack.c: Ditto.
9482 * sched-rgn.c: Ditto.
9483 * tree-ssa-structalias.c: Ditto.
9484 * tree-ssa-reassoc.c: Ditto.
9485 * config/darwin-c.c: Ditto.
9486 * config/darwin.c: Ditto.
9487 * config/arm/arm.c: Ditto.
9489 * collect2.c: Ditto.
9492 2006-01-31 Nicolas Pitre <nico@cam.org>
9494 * arm.md (smaxsi3): Make aware of smax_m1.
9497 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9499 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9501 2006-01-31 Richard Guenther <rguenther@suse.de>
9503 * doc/invoke.texi (-msselibm): Document.
9504 * target.h (expand_library_builtin): New target hook.
9505 * builtins.c (expand_builtin): Use expand_library_builtin.
9506 (default_expand_library_builtin): New function.
9507 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9508 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9509 (link_gcc_math_spec): Declare.
9510 (static_specs): Add link_gcc_math_spec.
9511 * expr.h (default_expand_library_builtin): Declare.
9512 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9513 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9514 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9515 * config/i386/i386.opt (msselibm): New target option.
9516 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9517 (ix86_init_sse_abi_builtins): New function.
9518 (ix86_expand_library_builtin): Likewise.
9519 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9520 (override_options): Handle error conditions wrt -msselibm.
9521 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9522 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9523 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9526 2006-01-31 Richard Guenther <rguenther@suse.de>
9527 Paolo Bonzini <bonzini@gnu.org>
9529 * doc/install.texi (--disable-libgcc-math): Document.
9531 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9533 * expr.h (expand_normal): new inline function.
9534 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9536 * dwarf2out.c: use it.
9541 * config/sparc/sparc.c: use it.
9542 * config/i386/i386.c: use it.
9543 * config/rs6000/rs6000.c: use it.
9544 * config/arm/arm.c: use it.
9545 * config/mips/mips.c: use it.
9546 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9548 2006-01-30 Roger Sayle <roger@eyesopen.com>
9550 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9551 argv to the appropriate type.
9553 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9555 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9558 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9561 * config/s390/s390.c (struct machine_function): New flag
9562 decomposed_literal_pool_addresses_ok_p.
9563 (s390_reorg): Set it before final stage of literal pool transforms.
9564 (s390_decompose_address): Only accept displacements of the form
9565 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9567 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9569 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9570 the comparison routine return.
9572 2006-01-30 Michael Matz <matz@suse.de>
9574 * global.c (find_reg): Only evict for global regs.
9575 Take n_refs into account and dump more info.
9577 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9580 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9581 (pragma_trap, pragma_nosave_low_regs): Likewise.
9582 (current_function_anonymous_args): Likewise.
9583 (sh_deferred_function_attributes): New variable.
9584 (sh_deferred_function_attributes_tail): Likewise.
9585 (print_operand): For '@', look up trap_exit attribute.
9586 (calc_live_regs): Look up trapa_handler attribute. For trapa
9587 handlers, save/restore fpscr, but don't do any other
9588 interrupt-specific saves.
9589 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9590 Fix check for partially saved registers to check for SHmedia.
9591 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9592 (sh_output_function_epilogue): Don't clear any of the removed
9594 (sh_insert_attributes): Don't check pragma_interrupt.
9595 Insert deferred attributes. Check that interrupt attribute is
9596 present for other attributes that require its presence.
9597 (sh_attribute_table): Add new attributes trapa_handler and
9599 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9600 Don't check for pragma_interrupt. Don't store argument.
9601 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9602 (sh_deferred_function_attributes): Declare.
9603 (sh_deferred_function_attributes_tail): Likewise.
9604 * sh.md (sp_switch_1): Add operand. Change generator caller.
9605 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9606 (*return_i): Don't use when trap_exit attribute is in effect.
9607 (*return_trapa): New insn pattern.
9609 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9610 setting c_target_objs and cxx_target_objs.
9611 * t-sh: Add rule for sh-c.o.
9613 2006-01-30 Richard Guenther <rguenther@suse.de>
9616 * gimplify.c (gimplify_target_expr): Handle easy cases
9617 without creating a temporary.
9619 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9621 * vec.h (safe_grow): Remove duplicated line.
9623 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9626 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9627 (expand_omp): ... here.
9628 (expand_omp_parallel): Only remove barriers for combined
9629 parallel+workshare constructs.
9631 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9635 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9636 * tree.c (build_qualified_type): Chain the new type to the original
9637 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9638 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9639 (build_pointer_type_for_mode): Only return unqualified types.
9640 (build_reference_type_for_mode): Likewise.
9642 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9644 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9645 * Makefile.in (CXX_COMPAT_WARN): Define.
9646 * configure: Regenerate.
9648 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9651 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9654 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9656 * toplev.c: Fix thinko.
9658 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9659 Marcin Dalecki <martin@dalecki.de>
9661 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9662 (push_srcloc): Use XNEW.
9663 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9665 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9667 * df-core.c (df_set_blocks): Deleted all variable.
9669 2006-01-28 Ian Lance Taylor <ian@airs.com>
9671 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9672 cgraph_output_pending_asms.
9674 2006-01-28 Zack Weinberg <zackw@panix.com>
9676 * c.opt: Add -W(no-)overlength-strings.
9677 * doc/invoke.texi: Document it.
9678 * c-opts.c (c_common_handle_option): -pedantic implies
9679 -Woverlength-strings, if not explicitly disabled already.
9680 (c_common_post_options): -Woverlength-strings defaults to off, and
9681 is always off for C++.
9682 * c-common.c (fix_string_type): Issue warning about strings longer
9683 than is portable only if warn_overlength_strings. Rearrange code
9684 a little for clarity.
9685 * configure.in: Check for -Wno-overlength-strings as well before
9686 enabling -pedantic in stage 1.
9687 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9688 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9690 * genconditions.c (write_header, write_one_condition)
9691 (write_conditions, write_writer): Consolidate very long strings
9692 that were broken up to fit in C89 portable limit. Don't use
9693 printf when fputs will do.
9695 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9697 * combine.c (simplify_comparison <AND>): Check
9698 TRULY_NOOP_TRUNCATION before start using a subreg.
9700 * config/mips/mips.md (*branch_zero<mode>,
9701 *branch_zero<mode>_inverted, *branch_equality<mode>,
9702 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9703 Remove mode check from comparisons.
9705 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9707 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9709 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9711 * expmed.c (const_mult_add_overflow_p): Remove.
9712 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9714 * recog.c (validate_replace_rtx_subexp): Remove.
9715 * recog.h: Remove the prototype for
9716 validate_replace_rtx_subexp.
9718 * integrate.h: Remove the prototype for
9719 copy_decl_for_inlining.
9720 * rtl.h: Remove the prototype for mark_constant_function.
9721 * tree-vectorizer.h: Remove the prototype for
9722 vect_strip_conversion.
9724 * modulo-sched.c (create_partial_schedule,
9725 free_partial_schedule, reset_partial_schedule): Make them
9728 * hooks.c (hook_bool_rtx_int_false): Remove.
9729 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9731 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9733 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9734 and -mlong-double-128 are incompatible.
9735 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9736 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9737 (TARGET_LIBGCC2_CFLAGS): Define.
9738 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9739 (TARGET_LIBGCC2_CFLAGS): Same.
9740 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9742 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9745 * c-typeck.c (build_binary_op): Perform implicit casts of
9746 operands before shortening them.
9748 * cfgloopmanip.c (split_loop_bb): Remove.
9749 * cfgloop.h: Remove the prototype for split_loop_bb.
9751 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9752 * cfgloop.h: Remove the prototype for
9753 flow_loop_outside_edge_p.
9755 * emit-rtl.c (init_virtual_regs): Make it static.
9756 * function.h: Remove the prototype for init_virtual_regs.
9758 * recog.c (peephole2_optimize): Make it static.
9759 * recog.h: Remove the prototype for peephole2_optimize.
9761 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9763 * df-scan.c (df_record_entry_block_defs): Check if
9764 INCOMING_RETURN_ADDR_RTX is defined.
9766 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9767 Kenneth Zadeck <zadeck@naturalbridge.com>
9769 PR rtl-optimization/24762
9770 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9771 * targhooks.c (hook_void_bitmap): New hook prototype.
9772 * targhoohs.h (hook_void_bitmap): Ditto.
9773 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9774 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9775 * target.h (live_on_entry): New function pointer.
9776 * df-scan.c (df_all_hard_regs): Removed.
9777 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9778 (df_scan_free_internal): Added df->entry_block_defs.
9779 (df_scan_alloc): Ditto.
9780 (df_scan_dump): Ditto.
9781 (df_uses_record): Plumbed flag field properly thru calls.
9782 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9783 This part fixes PR24762.
9784 (df_bb_refs_record): Added code to make the frame and arg
9785 pointers live in EH blocks.
9786 (df_refs_record): Added call to df_record_entry_block_defs.
9787 (df_record_entry_block_defs): New function.
9788 * df-core.c: Added comments to describe new artifical defs.
9789 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9790 (entry_block_defs): New field in struct df.
9791 (df_all_hard_regs): Deleted.
9792 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9793 * df-problems.c (df_ru_bb_local_compute_process_def):
9794 Added code to handle artifical defs in the entry to a function.
9795 (df_ru_bb_local_compute): Ditto.
9796 (df_rd_bb_local_compute_process_def): Ditto.
9797 (df_rd_bb_local_compute): Ditto.
9798 (df_lr_bb_local_compute): Ditto.
9799 (df_ur_bb_local_compute): Ditto.
9800 (df_urec_bb_local_compute): Ditto.
9801 (df_chain_create_bb): Ditto.
9802 (df_ur_local_finalize): Removed entry.
9803 (df_urec_init): Ditto.
9804 (df_urec_local_finalize): Ditto.
9805 (df_ri_bb_compute): Added detection of last use of pseudos.
9806 * Makefile.in (df-scan.o): Updated dependencies.
9807 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9808 * config/mips/mips.c (mips_set_live_on_entry): Added.
9809 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9811 * dce.c (marked_insn_p): Added code to handle artifical defs.
9813 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9815 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9817 (_mm_cvtsi128_si64): Likewise.
9818 (_mm_cvtsd_si64): Likewise.
9819 (_mm_cvttsd_si64): Likewise.
9820 (_mm_cvtsi64_sd): Likewise.
9821 (_mm_cvtsi64_si128): Likewise.
9822 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9823 (_mm_cvtsi64_m64): Likewise.
9824 (_m_to_int64): Likewise.
9825 (_mm_cvtm64_si64): Likewise.
9826 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9827 (_mm_cvttss_si64): Likewise.
9828 (_mm_cvtsi64_ss): Likewise.
9829 (_mm_cvtss_f32): Likewise.
9831 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9833 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9834 for pragma redefine_extname.
9836 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9839 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9840 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9841 -mno-minimal-toc to previous content.
9842 (bispecs): Remove goal.
9843 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9844 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9845 compatibility aliases on powerpc-*-*gnu*.
9846 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9847 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9848 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9849 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9850 (ldblspecs): New goal.
9851 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9852 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9854 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9855 L_sf_to_tf or L_df_to_tf is defined.
9857 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9858 Alan Modra <amodra@bigpond.net.au>
9861 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9862 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9863 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9864 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9865 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9866 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9867 (rs6000_override_options): Initialize rs6000_ieeequad.
9868 Initialize TFmode format to ibm_extended_format if not
9870 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9872 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9873 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9874 (function_arg_advance): IBM long double passed in two FPRs, not
9876 (function_arg): IBM long double passed in FPRs.
9877 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9878 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9879 Only multireg GPR aligned.
9880 (rs6000_init_libfuncs): Enable IBM long double functions if not
9882 (rs6000_generate_compare): Use IBM long double compare if not
9884 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9885 (TARGET_IEEEQUAD): Define.
9886 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9887 not TARGET_IEEEQUAD.
9888 * config/rs6000/rs6000.md: Enable TFmode patterns if
9890 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9891 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9892 and -mlong-double-128 are incompatible.
9893 * doc/invoke.texi (-mabi): Collect options together. Add
9894 ibmlongdouble and ieeelongdouble.
9896 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9898 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9900 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9901 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9902 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9903 * rtl.h (rtunion_def): Remove rt_ptr.
9905 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9906 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9907 * config/i386/winnt.c (i386_pe_mark_dllexport)
9908 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9910 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9912 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9914 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9918 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9919 pthread_key_delete. From John David Anglin. gthrw-ify
9920 pthread_getunique_np only if it it's not a macro. Delete
9922 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9923 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9924 __gthread_objc_condition_signal, __gthread_key_delete): Add
9925 "__attribute__ ((__unused__))" to unused arguments.
9926 (__gthread_recursive_mutex_init_function): Add missing return.
9927 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9928 gthr-posix95.h: Use macro-based approach for name redirection
9929 on targets missing weakref.
9931 2006-01-26 Zack Weinberg <zackw@panix.com>
9933 * genconditions.c (write_header): In generated code, #ifdef out
9934 all includes and fake declarations, except includes of bconfig.h
9935 and system.h, unless GCC_VERSION >= 3001. Do not include
9936 gensupport.h in any case.
9937 (write_conditions): Generate a definition of struct c_test. Add
9938 a comment to the generated #endif.
9939 (write_one_condition): Escape backslashes in string too.
9940 (write_writer): Generated code must escape backslashes and quote
9941 marks (but not newlines) in the strings it writes.
9942 * Makefile.in (build/gencondmd.o): Update dependencies.
9944 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9947 * Makefile.in (insn-automata.o): Add header file dependencies.
9948 * genautomata.c: Add includes.
9950 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9953 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9955 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9957 * configure.ac: Expect target tools paths to be passed from the toplevel
9958 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9960 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9962 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9965 * c.opt (Wpointer-sign): Init to -1.
9966 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9967 OPT_pedantic, to 0 otherwise.
9968 * doc/invoke.texi: Update.
9970 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9972 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9973 constants provided by 80387 instructions in the destination mode.
9975 2006-01-26 Richard Guenther <rguenther@suse.de>
9976 Andrew Pinski <pinskia@physics.uc.edu>
9979 partial PR tree-opt/17064
9980 * tree-ssa-structalias.c (intra_create_variable_infos):
9981 Create heap variables for incoming parameters if
9982 flag_argument_noalias > 1.
9983 (find_what_p_points_to): Look through default defs of
9986 2006-01-26 Jeff Law <law@redhat.com>
9989 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9990 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9991 within the VR_RANGE, use the VR_RANGE as the result, not the
9993 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9994 bounds for the type.
9996 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9998 * tree-ssa-alias.c (maybe_create_global_var): Change
9999 subvar walking to an assertion that we don't have subvar'd variables.
10001 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10004 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10005 Use a new variable, inner. PARM_DECLs are always non-weak.
10007 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10009 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10010 --disable-checking.
10012 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10014 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10016 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10018 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10019 (smax_insn, smin_insn, smax_0, smin_0): New.
10021 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10024 * config/cris/cris.c (cris_order_for_addsi3): New function.
10025 * config/cris/cris-protos.h: Prototype it.
10026 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10027 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10028 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10029 (split for "op.S1 [rx=rx+i],ry (swapped)")
10030 (split for "op(s|u).S1 [rx=rx+i],ry")
10031 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10032 Apply cris_order_for_addsi3 when generating addsi3 insns.
10034 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10036 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10037 (TREE_BLOCK): Add call to EXPR_CHECK.
10039 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10042 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10043 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10044 (dump_omp_clauses): ... here.
10045 (dump_generic_node): Handle OMP_CLAUSE.
10046 * tree.c (omp_clause_num_ops): New.
10047 (omp_clause_code_name): New.
10048 (tree_code_size): Handle OMP_CLAUSE.
10049 (tree_size): Likewise.
10050 (make_node): Document handling of OMP_CLAUSE.
10051 (tree_node_structure): Handle OMP_CLAUSE.
10052 (omp_clause_check_failed): New.
10053 (omp_clause_range_check_failed): New.
10054 (omp_clause_operand_check_failed): New.
10055 (build_omp_clause): New.
10056 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10057 * tree.h (enum omp_clause_code): Declare.
10058 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10059 (OMP_CLAUSE_RANGE_CHECK): Define.
10060 (OMP_CLAUSE_ELT_CHECK): Define.
10061 (omp_clause_check_failed): Declare.
10062 (omp_clause_operand_check_failed): Declare.
10063 (omp_clause_range_check_failed): Declare.
10064 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10065 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10066 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10067 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10068 (OMP_CLAUSE_IF_EXPR): Likewise.
10069 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10070 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10071 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10072 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10073 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10074 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10075 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10076 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10077 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10078 (OMP_CLAUSE_CODE): Define.
10079 (OMP_CLAUSE_SET_CODE): Define.
10080 (OMP_CLAUSE_CODE): Define.
10081 (OMP_CLAUSE_OPERAND): Define.
10082 (struct tree_omp_clause): Declare.
10083 (union tree_node): Add field 'omp_clause'.
10084 * treestruct.def (TS_OMP_CLAUSE): Define.
10085 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10086 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10087 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10088 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10089 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10090 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10091 (OMP_CLAUSE): Define.
10092 * print-tree.c (print_node): Handle OMP_CLAUSE.
10093 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10094 * c-typeck.c: Likewise.
10095 * gimplify.c: Likewise.
10096 * c-omp.c: Likewise.
10097 * tree-nested.c: Likewise.
10098 * tree-inline.c: Likewise.
10099 * c-parser.c: Likewise.
10100 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10103 2006-01-25 Roger Sayle <roger@eyesopen.com>
10105 PR rtl-optimization/25703
10106 * combine.c (try_combine): Handle zero_extract and strict_low_part
10107 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10109 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10111 * global.c: Fix comment typos.
10113 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10116 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10117 Use output_addr_const instead of assemble_name.
10119 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10121 * Makefile.in (sched-vis.o): Update dependencies.
10122 * haifa-sched.c (sched_finish): Clear current_sched_info.
10123 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10124 (dump_flow_info): Call it.
10125 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10127 * basic-block.h (dump_bb_info): Declare.
10128 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10129 option, and apply options only for dump files whose TDF_RTL,
10130 TDF_TREE, or TDF_IPA bits match.
10131 * rtl.h: Declare new functions exported from sched-vis.c.
10132 * sched-vis.c: Enable also if scheduling is not used.
10133 (print_value): Print the mode of registers if not inside scheduling.
10134 (print_insn): Make it work outside the scheduler. Beautify the output
10136 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10138 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10140 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10141 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10142 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10143 depending on the value of CONSTANT_POOL_ADDRESS_P.
10144 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10146 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10147 rather than SYMBOL_REF_DECL.
10148 (rtx_constant_pool): Remove const_rtx_sym_htab.
10149 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10150 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10151 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10152 Remove handling of const_rtx_sym_htab.
10153 (find_pool_constant): Delete.
10154 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10155 rather than find_pool_constant.
10156 (get_pool_constant_for_function): Delete.
10157 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10158 find_pool_constant.
10159 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10160 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10161 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10162 (SYMBOL_REF_CONSTANT): New macro.
10163 (get_pool_constant_for_function): Delete.
10164 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10165 rather than SYMBOL_REF_DECL.
10166 (i386_pe_mark_dllimport): Likewise.
10167 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10168 rather than SYMBOL_REF_DECL.
10169 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10170 (machopic_indirect_call_target): Likewise.
10172 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10174 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10176 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10178 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10180 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10182 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10184 2006-01-24 David Daney <ddaney@avtrex.com>
10187 * configure.ac (enable_tls): New enable option.
10188 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10189 * configure: Regenerate.
10190 * doc/install.texi (--enable-tls): Document new option.
10191 (--disable-tls): Ditto.
10193 2006-01-24 Richard Henderson <rth@redehat.com>
10195 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10196 * alias.c (true_dependence): Respect it.
10197 (canon_true_dependence, write_dependence_p): Likewise.
10198 * builtins.c (get_builtin_sync_mem): Set it.
10200 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10202 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10205 2006-01-24 DJ Delorie <dj@redhat.com>
10207 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10208 for storing constants in single-bit bitfields.
10210 2006-01-25 Ben Elliston <bje@au.ibm.com>
10212 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10214 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10217 * tree-ssa-pre.c (phi_translate): Return NULL
10218 for AGGREGATE_TYPE's.
10220 2006-01-24 Zack Weinberg <zackw@panix.com>
10222 * genautomata.c (process_state_for_insn_equiv_partition):
10223 Use xcalloc for insn_arcs_array.
10224 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10225 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10227 2006-01-24 Richard Henderson <rth@redhat.com>
10229 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10230 update all callers.
10232 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10234 PR rtl-optimization/25890
10235 PR rtl-optimization/25905
10236 * combine.c (expand_compound_operation, expand_field_assignment):
10237 Fail if the bitfield's final position is out of bounds.
10239 2006-01-24 Ian Lance Taylor <ian@airs.com>
10241 PR middle-end/25930
10242 * cgraphunit.c (cgraph_output_in_order): Don't clear
10243 cgraph_asm_nodes until after asm strings have been output.
10245 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10247 * fix-header.c (read_scan_file): Add new parameter imultilib when
10248 calling register_include_chains.
10250 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10252 * omp-low.c: Update documentation.
10254 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10255 Daniel Berlin <dberlin@dberlin.org>
10259 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10260 return from the function.
10262 2006-01-22 Zack Weinberg <zackw@panix.com>
10264 * rtl.def (match_code): Add second argument.
10265 * genpreds.c (write_extract_subexp): New function.
10266 (write_match_code): Add path argument. Use write_extract_subexp.
10267 (write_predicate_expr): Pass path to write_match_code.
10268 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10269 not perform a mode test.
10270 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10271 a subexpression does not constrain the top-level code set.
10272 * read-rtl.c (read_rtx_variadic): New function.
10273 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10274 * doc/md.texi: Document new notation.
10275 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10276 (cmpsi_operand): ... here, using new notation.
10278 2006-01-22 Zack Weinberg <zackw@panix.com>
10280 * varray.c: Remove GENERATOR_FILE #ifdefs.
10282 2006-01-22 Zack Weinberg <zackw@panix.com>
10284 * genautomata.c (output_reserved_units_table): Emit nothing if
10285 description->query_units_num is zero. Remove extra blank line.
10286 (output_cpu_unit_reservation_p): Short circuit
10287 if description->query_units_num is zero.
10289 2006-01-22 Zack Weinberg <zackw@panix.com>
10291 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10292 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10293 nor any of the random handful of variables that used to be necessary
10294 when this program was linked with rtlanal.o. Prune set of forward
10295 function declarations.
10296 (struct attr_desc): Remove static_p field.
10297 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10298 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10299 (attr_string): Do not read the character one past the length of
10301 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10302 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10303 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10304 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10305 (make_automaton_attrs): New.
10306 (main): Do not call into genautomata. Call local gen_bypass
10307 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10308 Remove special case for insn_alts.
10309 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10310 varray.h (leftover from previous change). Prune set of forward
10311 function declarations. Remove state_alts fields from all
10312 structures. Remove state_alts_table from struct automaton.
10313 Make everything except main static. Do not maintain num_dfa_decls.
10314 Do not maintain state_alts fields of various structures.
10315 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10316 (add_arc): Remove state_alts argument. All callers updated.
10317 (output_reserved_units_table): Emit #ifdef here...
10318 (output_tables): ...not here. Don't generate state_alts tables.
10319 (expand_automata): Don't generate attributes.
10320 (write_automata): Don't generate state_alts functions.
10321 (main): New function.
10322 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10323 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10324 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10325 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10326 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10327 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10328 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10329 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10331 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10332 * genattrtab.h: Delete file.
10333 * Makefile.in (OBJS-common): Add insn-automata.o.
10334 (insn-automata.o): New rule.
10335 (simple_generated_c): Add insn-automata.c.
10336 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10337 (genprogmd): Add automata.
10338 (build/genattrtab): Needs no extra objects nor libraries.
10339 (build/genautomata): Needs build/vec.o and -lm.
10341 2006-01-22 Zack Weinberg <zackw@panix.com>
10343 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10344 (output_dfa_max_issue_rate, locked_states_num): Delete.
10345 (struct automaton): Add locked_states field.
10346 (output_dead_lock_vect): Save number of locked states in
10347 automaton->locked_states. If it is zero, don't print anything.
10348 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10349 (output_internal_dead_lock_func): Only test the dead_lock_vect
10350 for automata that have locked states.
10351 (output_statistics): Always print the number of locked states for
10352 each automaton. Calculate total number of locked states here.
10353 (write_automata): Don't call output_dfa_max_issue_rate.
10354 * genattrtab.c: Define length_unit_log as a const variable.
10355 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10356 max_insn_queue_index const.
10357 * final.c (length_unit_log): Declare const.
10358 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10360 2006-01-22 Zack Weinberg <zackw@panix.com>
10362 * genautomata.c: Include vec.h, not varray.h.
10363 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10364 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10365 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10366 VEC_* macros operating on appropriately typed vectors, or to
10367 malloced arrays when the size is known in advance. Const-ify
10368 many char* variables and function arguments. No functional changes.
10369 * Makefile.in (build/varray.o): Delete rule.
10370 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10371 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10373 2006-01-22 Zack Weinberg <zackw@panix.com>
10375 * gensupport.c: Define get_insn_name and record_insn_name here.
10376 (read_md_rtx): Call record_insn_name as appropriate.
10377 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10378 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10379 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10381 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10382 (BUILD_VARRAY): Delete.
10383 (genprognormal): Rename genprogmd. Fold in all programs from
10384 genprognoprint; also attrtab.
10385 (build/genattrtab): Just mention genautomata.o and varray.o.
10386 Reorganize a bit, add comments to make the categories clearer.
10388 2006-01-22 Zack Weinberg <zackw@panix.com>
10390 * genconditions.c (condition_table, add_condition): Delete.
10391 (write_conditions): Don't emit n_insn_conditions nor
10392 insn_elision_unavailable. Issue the gcc version #ifdef here,
10393 inside the table, with no #else clause ...
10394 (write_header): ...not here.
10395 (write_writer): New function.
10396 (main): Don't initialize condition_table. Use add_c_test.
10398 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10399 files on the command line.
10400 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10401 Return -1 if there is no entry in the table, don't abort.
10402 (add_c_test, traverse_c_tests): New functions.
10403 * gensupport.h (insn_elision_unavailable, insn_conditions)
10404 (n_insn_conditions): Delete declarations.
10405 (add_c_test, traverse_c_tests): Declare.
10406 * read-rtl.c: Include gensupport.h.
10407 (read_conditions): New function.
10408 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10409 (read_rtx_1): If we get EOF when we were looking for an initial
10410 open paren, return 0. Call read_conditions when appropriate.
10411 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10412 dummy-conditions.o. Eliminate references to insn-conditions.o,
10413 or change them to build/gencondmd.o, as appropriate. Remove
10414 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10415 from $(simple_generated_c). For all files remaining in those
10416 two lists, add insn-conditions.md to the generator command line.
10417 Give insn-constants.h/s-constants their own rules. Add rules
10418 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10419 (build/read-rtl.o): Depend on gensupport.h.
10420 (genprognormal): Include preds.
10421 (genprogearly): Rename genprognoprint; only difference is now that
10422 they don't link with $(BUILD_PRINT).
10423 * dummy-conditions.c: Delete.
10425 2006-01-22 Zack Weinberg <zackw@panix.com>
10427 * genextract.c: Don't include insn-config.h. Do include vec.h.
10428 Declare vectors of int, char, and locstr.
10429 (locstr): New typedef.
10430 (struct extraction): Make all array fields into bare pointers.
10431 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10432 (insn_code_number): Delete.
10433 (accum_extract): New struct.
10434 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10435 (gen_insn): Take insn_code_number as an argument. Use an
10436 accum_extract structure instead of loading data directly into
10437 a struct extraction, and having to know how big it might get.
10438 (walk_rtx): Operate entirely on an accum_extract structure.
10439 (print_path): Avoid unnecessary use of printf.
10440 (print_header): New function, split out of main. Distinguish
10441 more carefully between an unrecognizable insn and an insn that
10442 has the code number of a define_expand.
10443 (main): Pass insn_code_number to gen_insn. Call print_header
10444 only after parsing. Avoid unnecessary use of printf.
10445 * Makefile.in (build/vec.o): New rule.
10446 (build/genextract): Depend on build/vec.o.
10447 (build/genextract.o): Don't depend on insn-config.h.
10449 2006-01-22 Zack Weinberg <zackw@panix.com>
10451 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10452 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10453 practical. Eliminate per-generator-program link rules.
10455 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10457 PR middle-end/24437
10458 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10459 with a call expr to ...
10460 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10462 2006-01-23 Richard Guenther <rguenther@suse.de>
10464 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10465 before make_edge with conditional EDGE_TRUE_VALUE.
10467 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10468 Jan Hubicka <jh@suse.cz>
10469 Richard Guenther <rguenther@suse.de>
10471 PR rtl-optimization/25654
10472 * cfgexpand.c (aggregate_contains_union_type): New function.
10473 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10474 for structure variables that contain a union type.
10476 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10478 * gengtype.c (new_structure): Return the structure.
10479 (create_option): Add an extra "next" argument.
10480 (create_field): New function.
10481 (adjust_field_rtx_def): Use create_option and create_field.
10482 Remove a now-unnecessary call to find_structure.
10483 (adjust_field_tree_def): Likewise.
10484 (note_yacc_type): Remove an unnecessary call to find_structure.
10485 * gengtype.h (new_structure): Return the structure.
10486 (create_option): Add an extra argument.
10487 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10488 (option): Adjust calls to create_option.
10490 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10492 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10494 2006-01-22 Paul Brook <paul@codesourcery.com>
10495 Peter Barada <peter@the-baradas.com>
10497 * config/m68k/m68k.md: Add Coldfire FPU support.
10498 Define FP mode macro and associated attributes.
10499 Use it for float mode patterns.
10500 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10501 (LIBCALL_VALUE): Use m68k_libcall_value.
10502 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10503 (m68k_function_value): Ditto.
10504 (emit_move_sequence): Ditto.
10505 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10506 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10507 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10508 (MULTILIB_EXCEPTIONS): Ditto.
10509 * config/m68k/m68k.opt: Add mcfv4e.
10510 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10511 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10512 (m68k_output_function_prologue): Save ColdFire FPU registers.
10513 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10514 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10515 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10516 ColdFire FPU registers.
10517 (m68k_libcall_value, m68k_function_value): New functions.
10518 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10519 (LIBCALL_VALUE): Use m68k_libcall_value.
10520 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10521 (MASK_COLDFIRE): Add MASK_CFV4E.
10522 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10523 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10524 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10525 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10526 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10527 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10528 * doc/invoke.tex: Document -mcfv4e on m68k.
10530 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10532 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10535 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10538 * c-opts.c (c_common_handle_option): Don't include
10539 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10540 * doc/invoke.texi (C++ Dialect Options): Document that
10541 -Wnon-virtual-dtor is no longer included in -Wall.
10543 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10545 * gcov.c (print_version), gcov-dump.c (print_version),
10546 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10549 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10551 * df-scan.c (problem_SCAN): Added NULL reset function.
10552 (df_scan_reset_blocks): Added code to call reset block function
10553 (df_bb_refs_delete) Fixed comment.
10554 (df_insn_refs_delete): Made tolerant of deleting non existent info
10555 for dataflow problems that need to be reset.
10556 * df-core.c (df_set_blocks): Ditto.
10557 * df.h (struct df_problem): Added reset_fun.
10558 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10559 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10560 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10561 functions to clear out all references to def-use or use-def chains.
10563 2006-01-21 Ben Elliston <bje@au.ibm.com>
10565 * varasm.c (assemble_real): Initialise data array.
10567 2006-01-20 Paul Brook <paul@codesourcery.com>
10569 Merge from csl-arm-branch.
10570 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10571 * config/arm/arm.md (movdi): Force operands[1] to a register
10572 if we have a non-register source.
10573 (*arm_movdi, *movdf_soft_insn): Require that one of the
10574 operands be a register.
10575 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10576 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10578 2006-01-20 DJ Delorie <dj@redhat.com>
10580 * varasm.c (initializer_constant_valid_p): Allow pointers
10581 initialized from integer constants of lesser precision.
10582 (output_constant): Allow non-int-sized pointer modes to be
10583 initialized from integer constants.
10585 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10588 * cppdefault.h (struct default_include): Add multilib flag.
10589 * cppdefault.c (cpp_include_defaults): Set it.
10590 * c.opt (-imultilib): New option.
10591 * c-opts.c (imultilib): New.
10592 (c_common_handle_option): Handle -imultilib.
10593 (c_common_post_options): Likewise.
10594 * c-incpath.c (add_standard_paths, register_include_chains):
10596 * c-incpath.h (register_include_chains): Add extra parameter.
10597 * gcc.c (do_spec_1): Generate -imultilib option.
10598 (The Specs Language): Update %I description.
10599 (process_command): Update copyright notice.
10600 * doc/cppopts.texi (-imultilib): Document.
10601 * doc/invoke.texi (-imultilib): Include in option summary.
10602 (%I): Update specs documentation.
10604 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10606 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10608 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10610 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10613 2006-01-20 Richard Guenther <rguenther@suse.de>
10614 Steven Bosscher <stevenb.gcc@gmail.com>
10616 PR rtl-optimization/24626
10617 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10618 EDGE_TRUE_VALUE if in RTL mode.
10621 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10622 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10624 2006-01-20 Dirk Mueller <dmueller@suse.com>
10627 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10628 instead of a special NOP marker.
10629 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10630 NOP marker handling.
10631 * c-common.h (empty_body_warning): Add forward declaration.
10632 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10633 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10635 2006-01-20 Paul Brook <paul@codesourcery.com>
10637 * Makefile.in (lang_checks): Keep going if mkdir fails.
10639 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10641 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10642 be able to clean out basic block when not necessary.
10643 (df_scan_free): Fixed to properly delete information if df is
10644 unused before calling df_finish.
10645 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10646 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10648 (df_bb_refs_delete): New function.
10649 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10650 * df-core.c (df_set_blocks): Added code to properly clean out
10651 unused blocks if they are not part of the blocks to consider.
10652 Added additional null check.
10653 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10654 be able to clean out basic block when not necessary
10655 * df.h (df_free_bb_function): Ditto.
10656 (df_bb_refs_delete): New function.
10657 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10658 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10659 basic block parameter to be able to clean out basic block when not
10661 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10662 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10663 Fixed to properly delete information if df is unused before
10666 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10668 PR rtl-optimization/25799
10669 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10670 Corrected confluence operator to remove bits from op2 before oring
10671 with op1 rather than removing bits from op1.
10672 (df_ru_transfer_function): Corrected test on wrong bitmap which
10673 caused infinite loop. Both of these problems were introduced in
10674 the dataflow rewrite.
10676 2006-01-19 DJ Delorie <dj@redhat.com>
10678 * reload1.c (find_reload_regs): Note the details of reload
10679 failures in the dump file.
10680 (spill_failure): Likewise.
10682 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10684 * loop-iv.c: Include df.h and hashtab.h.
10685 (enum iv_grd_result): New enum.
10686 (DF_REF_IV, DF_REF_IV_SET): New macros.
10687 (struct biv_entry): New.
10688 (df, bivs): New global variables.
10689 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10690 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10692 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10693 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10694 analyzed_for_bivness_p, record_biv): New functions.
10695 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10696 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10697 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10699 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10701 (iv_number_of_iterations): Use new interface to iv analysis.
10702 * loop-unroll.c: Do not include varray.h.
10703 (analyze_iv_to_split_insn): Use new interface to iv
10705 * loop-unswitch.c (may_unswitch_on): Ditto.
10706 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10708 (df_bb_modify): Realloc tables to the new index.
10709 (df_find_use): New function.
10710 * df.h (df_find_use): Declare.
10711 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10713 * cfgloop.h (struct rtx_iv): Remove analysed field.
10714 (iv_get_reaching_def): Removed.
10715 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10716 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10717 (loop-iv.o): Add df.h and hashtab.h dependency.
10718 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10720 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10723 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10725 (__floatundisf, __floatundidf): Likewise.
10726 * libgcc2.h (IS_IBM_EXTENDED): Define.
10728 2006-01-19 DJ Delorie <dj@redhat.com>
10730 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10732 2006-01-19 Paul Brook <paul@codesourcery.com>
10734 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10735 as nothrow when unwinding tables are disabled.
10737 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10740 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10741 of bit-field" when in system header.
10743 2006-01-19 DJ Delorie <dj@redhat.com>
10745 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10746 the 16 bit shift limit of the m16c.
10748 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10751 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10752 * config/i386/i386.c (output_set_got): Output the label if we have one
10753 for the TARGET_DEEP_BRANCH_PREDICTION case.
10755 2006-01-19 Jan Hubicka <jh@suse.cz>
10756 H.J. Lu <hongjiu.lu@intel.com>
10757 Evandro Menezes <evandro.menezes@amd.com>
10759 * invoke.texi (generic): Document
10761 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10762 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10763 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10764 (x86_use_incdec, x86_pad_returns): New variables
10765 (TARGET_CPU_DEFAULT_generic): New constant
10766 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10767 (enum processor_type): Add generic32 and generic64.
10768 * i386.md (cpu attribute): Add generic32/generic64
10769 (movhi splitter): Behave sanely when both partial_reg_dependency and
10770 partial_reg_stall are set.
10771 (K8 splitters): Enable for generic as well.
10772 * predicates.md (incdec_operand): Use TARGET_INCDEC
10773 (aligned_operand): Avoid memory mismatch stalls.
10774 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10775 * ppro.md: Enable for generic32
10776 * i386.c (generic64_cost, generic32_cost): New.
10777 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10778 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10779 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10780 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10781 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10782 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10783 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10784 x86_accumulate_outgoing_args, x86_prologue_using_move,
10785 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10786 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10787 Enable for generic.
10788 (x86_use_incdec, x86_pad_returns): New.
10789 (override_options): Add generic32 and generic64, translate "generic"
10790 to generic32/generic64 and "i686" to "generic32", refuse
10791 "generic32"/"generic64" as arch target.
10792 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10793 (ix86_reorg): Honor PAD_RETURNS.
10795 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10797 * tree-pretty-print.c (dump_generic_node): Handle
10798 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10799 * cgraph.c (cgraph_expand_queue): Rename from
10800 cgraph_analyze_queue. Update all users.
10801 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10802 cgraph_expand_queue.
10803 (cgraph_expand_all_functions): Likewise.
10804 (cgraph_finalize_pending_functions): Remove. Update callers.
10806 * tree.h (OMP_DIRECTIVE_P): Define.
10807 (OMP_PARALLEL_FN): Define.
10808 (OMP_PARALLEL_DATA_ARG): Define.
10809 (OMP_SECTIONS_SECTIONS): Define.
10810 * tree-pass.h (pass_expand_omp): Declare.
10811 * omp-low.c (struct omp_region): Declare.
10812 (struct omp_context): Remove fields 'parallel_type',
10813 'parallel_start_ix' and 'parallel_start_additional_args'.
10815 (struct omp_for_data): Rename from struct expand_omp_for_data.
10816 (omp_regions): New static variable.
10817 (root_omp_region): New static variable.
10818 (find_omp_clause): Make static.
10819 (is_in_combined_parallel_ctx): Remove.
10820 (is_combined_parallel): New.
10821 (extract_omp_for_data): Move earlier in the file.
10822 (workshare_safe_to_combine_p): New.
10823 (get_ws_args_for): New.
10824 (determine_parallel_type): Move earlier in the file.
10825 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10827 (omp_copy_decl): Likewise.
10828 (create_omp_child_function): Likewise.
10829 (lookup_omp_region): New.
10830 (dump_omp_region): New.
10831 (debug_omp_region): New.
10832 (debug_all_omp_regions): New.
10833 (new_omp_region): New.
10834 (scan_omp_parallel): If parallel_nesting_level > 1, the
10835 directive is nested within another parallel directive.
10836 Set OMP_PARALLEL_FN.
10837 (scan_omp_for): Do not try to handle combined parallel+for
10839 Remove FIXME comment.
10840 (scan_omp_nested): Remove.
10841 (scan_omp_1): Do not call scan_omp_nested when
10842 parallel_nesting_level is > 1.
10843 Do not change the DECL_CONTEXT of local variables found.
10844 (lookup_decl_in_outer_ctx): New.
10845 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10846 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10847 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10848 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10849 If CTX is nested, lookup VAR in the outer context when
10850 building copy assignment.
10851 (lower_send_clauses): Rename from expand_send_clauses.
10852 If CTX is nested, lookup VAR in the outer context when
10853 building copy assignments.
10854 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10855 If CTX is nested, lookup VAR in the outer context when
10856 building copy assignments.
10857 (expand_parallel_call): Rename from build_parallel_call.
10858 Handle combined parallel+workshare cases.
10859 Re-implement to emit code into the CFG.
10861 (expand_omp_parallel): Re-implement to emit code into the CFG.
10862 Call move_sese_region_to_fn to outline the sub-graph
10863 containing the parallel region.
10864 (expand_omp_for_1): Remove.
10865 (expand_omp_for_generic): Re-implement to emit code into the
10867 (expand_omp_for_static_nochunk): Likewise.
10868 (expand_omp_for_static_chunk): Likewise.
10869 (expand_omp_for): Likewise.
10870 (expand_omp_sections): Likewise.
10871 (remove_exit_barriers): New.
10872 (expand_omp_synch): New.
10874 (build_omp_regions_1): New.
10875 (build_omp_regions): New.
10876 (execute_expand_omp): New.
10877 (gate_expand_omp): New.
10878 (pass_expand_omp): Define.
10879 (lower_omp_sections): Rename from expand_omp_sections.
10880 Set OMP_SECTIONS_SECTIONS.
10881 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10882 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10883 (lower_omp_single): Rename from expand_omp_simple.
10884 (lower_omp_master): Rename from expand_omp_master.
10885 (lower_omp_ordered): Rename from expand_omp_ordered.
10886 (lower_omp_critical): Rename from expand_omp_critical.
10887 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10888 (lower_omp_for): Re-implement.
10889 (lower_omp_parallel): Re-implement.
10890 (lower_regimplify): Rename from expand_regimplify.
10891 (lower_omp_1): Rename from expand_omp_1.
10892 If there are syntax errors in the program, replace every
10893 OpenMP directive with NOP.
10894 Call lower_omp_* instead of expand_omp_*.
10895 (lower_omp): Rename from expand_omp.
10897 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10898 * tree-gimple.h (enum omp_parallel_type): Remove.
10899 (gimple_boolify): Declare extern.
10900 (find_omp_clause, determine_parallel_type): Remove.
10902 * gimple-low.c (lower_omp_directive): New.
10903 (lower_stmt): Call it.
10904 (record_vars_into): Move from ...
10905 (record_vars): ... here.
10906 Call record_vars_into with current_function_decl.
10908 * gimplify.c (struct gimplify_ctx): Remove fields
10909 combined_pre_p and combined_ctxp. Update users.
10910 (get_formal_tmp_var): Add documentation.
10911 (gimple_boolify): Make extern.
10912 (gimplify_expr_in_ctx): Remove. Update callers.
10913 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10914 will always be a BIND_EXPR.
10915 (gimplify_expr): Handle OMP_RETURN_EXPR.
10916 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10917 (OMP_PARALLEL): Add 3 operands.
10918 (OMP_SECTIONS): Add 1 operand.
10919 (OMP_RETURN_EXPR): Define.
10921 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10922 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10923 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10924 creating a circular free list.
10925 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10927 * tree-flow.h (move_sese_region_to_fn): Declare.
10928 (record_vars_into): Declare.
10929 * tree-cfg.c (make_omp_sections_edges): New.
10930 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10931 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10932 OMP_SECTIONS and OMP_SECTION.
10933 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10934 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10935 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10936 (gather_blocks_in_sese_region): New.
10937 (struct move_stmt_d): Declare.
10938 (move_stmt_r): New.
10939 (move_block_to_fn): New.
10940 (move_sese_region_to_fn): New.
10942 * passes.c (init_optimization_passes): Schedule
10943 pass_expand_omp after pass_init_datastructures.
10945 * tree-ssa-operands.c (get_expr_operands): Handle
10946 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10947 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10949 2006-01-19 Jeff Law <law@redhat.com>
10951 * tree-vrp.c (extract_range_from_assert): Refine the result range
10952 if the variable referenced by the ASSERT_EXPR has a range and
10953 either the tentative result range or the previous range is a
10956 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10958 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10960 2006-01-19 Jan Hubicka <jh@suse.cz>
10962 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10964 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10966 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10967 (expand_compound_operation, expand_field_assignment): Fail if the
10968 bit lengths of an extract operation are out of range.
10969 (make_extraction): Compute wanted_inner_mode based on the position
10970 and length of the extraction. Make it extraction_mode for non-constant
10971 positions, and do not modify offset in that case. When generating a
10972 new MEM, use a mode that can hold the extraction while keeping correct
10973 alignment. Remove code that supported MEMs wrapped by USEs.
10974 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10976 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10978 * config/s390/s390.md ("Y", "y"): New mode attribute.
10979 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10980 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10981 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10982 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10983 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10984 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10985 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10986 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10987 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10988 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10989 "addsi3", "subsi3"): Insn patterns removed.
10990 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10991 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10992 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10993 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10994 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10995 "*sub<mode>3_cconly2"): New insn patterns.
10996 ("addsi3", "subsi3"): New expanders.
10998 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11000 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11001 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11002 existing STMT_VINFO_VECTYPE if available.
11003 (vect_mark_relevant): Add special handling for stmts that are
11004 marked as STMT_VINFO_IN_PATTERN_P.
11005 (vect_analyze_loop): Call vect_pattern_recog.
11006 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11007 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11009 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11010 (vect_recog_func_ptr): New function-pointer type.
11011 * tree-vect-patterns.c: New file.
11012 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11013 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11014 (vect_pattern_recog_1): New functions.
11015 (vect_pattern_recog_funcs): New array of function pointers.
11017 * tree-vectorizer.h (ternary_op): New enum value.
11018 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11019 declaration. Revised documentation. Removed redundant dump prints.
11020 Removed redundant argument. Added support for reduction patterns.
11021 (vectorizable_reduction): Added support for reduction patterns.
11022 (vect_transform_stmt): Added support for patterns.
11024 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11025 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11026 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11027 (expand_widen_pattern_expr): New function.
11028 (init_optabs): Initialize new optabs udot_prod_optab,
11030 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11031 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11032 (expand_widen_pattern_expr): New function declaration.
11033 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11035 * tree-inline.c (estimate_num_insns_1): Added cases for new
11036 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11037 * tree-pretty-print.c (dump_generic_node): Likewise.
11038 (op_prio): Likewise.
11039 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11040 * tree-ssa-operands.c (get_expr_operands): Added case for
11042 * tree-vect-patterns.c (widened_name_p): New function.
11043 (vect_recog_dot_prod_pattern): Added function implementation.
11044 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11045 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11046 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11047 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11049 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11050 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11051 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11052 (init_optabs): Initialize new optabs widen_ssum_optab,
11054 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11055 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11056 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11057 use instead of type of def.
11058 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11059 function implementation.
11060 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11061 widen_ssumv8hi): New.
11063 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11066 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11069 * c-decl.c (add_flexible_array_elts_to_size): New function.
11070 (finish_decl): Use it.
11072 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11074 * diagnostic.h: Include options.h.
11075 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11076 dependancies for diagnostic.h.
11077 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11079 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11081 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11082 (ssa_ro_call_cache_valid): Ditto.
11083 * tree-ssa-alias.c (sort_tags_by_id): New function.
11084 (init_transitive_clobber_worklist): Ditto.
11085 (add_to_worklist): Ditto.
11086 (mark_aliases_call_clobbered): Ditto.
11087 (compute_tag_properties): Ditto.
11088 (set_initial_properties): Ditto.
11089 (compute_call_clobbered): Ditto.
11090 (compute_may_aliases): Call compute_call_clobbered and grouping.
11091 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11092 (compute_flow_insensitive_aliasing): Grouping now happens in our
11094 (setup_pointers_and_addressables): Remove clobbering related code.
11095 (add_may_alias): Ditto.
11096 (replace_may_alias): Ditto.
11097 (get_nmt_for): Ditto.
11098 (create_global_var):
11099 (is_escape_site): Return an escape_type enumeration.
11100 * tree-flow-inline.h (is_call_clobbered): Global var does not
11101 imply call clobbered.
11102 (mark_call_clobbered): Take a reason for marking this. Remove
11103 marking of globalness, and cache invalidation.
11104 (clear_call_clobbered): Remove cache invalidation code.
11105 * tree-dfa.c (dump_variable): If details is on, dump the reason
11107 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11109 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11110 (struct var_ann_d): Ditto.
11111 (enum escape_type): New.
11112 (mark_call_clobbered): Adjust prototype.
11113 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11114 are never call clobbered.
11115 Record reasons for escaping.
11116 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11117 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11118 (ssa_ro_call_cache_valid): Ditto.
11119 (clobbered_v_may_defs): Ditto.
11120 (clobbered_vuses): Ditto.
11121 (ro_call_vuses): Ditto.
11122 (clobber_stats): New.
11123 (init_ssa_operands): Zero out clobber stats.
11124 (fini_ssa_operands): Print out clobber stats.
11125 (get_call_expr_operands): Pass callee fndecl to
11126 add_call_read_ops).
11127 (add_call_clobber_ops): Remove use of cache.
11128 Add use of PURE_CONST information.
11129 (add_call_read_ops): Remove use of cache.
11130 Add use of static not_read information.
11132 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11134 Introduce TLS descriptors for i386 and x86_64.
11135 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11136 (TARGET_ANY_GNU_TLS): New macro.
11137 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11138 (struct machine_function): Add tls_descriptor_call_expanded_p.
11139 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11140 (ix86_current_function_calls_tls_descriptor): Likewise.
11141 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11142 (override_options): Introduce gnu2 tls dialect.
11143 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11145 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11147 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11148 (ix86_init_machine_status): Initialize new field.
11149 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11150 (ix86_tls_module_base): New.
11151 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11152 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11153 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11154 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11155 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11156 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11157 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11158 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11159 * config/i386/predicates.md (tls_modbase_operand): New.
11160 (tp_or_register_operand): New.
11162 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11164 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11165 (look_for_address_of): Ditto.
11166 (ipa_init): Walk the function decls.
11167 (static_execute): Don't set readonly on FUNCTION_DECL's.
11169 2006-01-18 Roger Sayle <roger@eyesopen.com>
11171 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11172 for shifts where the source and destination registers are different.
11174 2006-01-18 Paul Brook <paul@codesourcery.com>
11176 Merge from csl-arm-branch.
11177 2005-03-14 Julian Brown <julian@codesourcery.com>
11178 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11179 (aeabi_llsl): Likewise.
11180 (ashrdi3): Likewise.
11181 (aeabi_lasr): Likewise.
11182 (lshrdi3): Likewise.
11183 (aeabi_llsr): Likewise.
11184 2005-03-10 Julian Brown <julian@codesourcery.com>
11185 * config.gcc: Disable shared libgcc for SymbianOS.
11186 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11188 2006-01-18 DJ Delorie <dj@redhat.com>
11190 * c-pragma.c (handle_pragma_diagnostic): New.
11191 (init_pragma): Register it.
11192 * doc/extend.texi: Document it.
11194 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11195 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11196 (diagnostic_context): Add classify_diagnostic[].
11197 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11198 as errors if they're overridden to DK_WARNING.
11199 (diagnostic_initialize): Initialize classify_diagnostic[].
11200 (diagnostic_set_kind_override): New.
11201 (diagnostic_report_diagnostic): Check for kind changes.
11202 * opts.c (common_handle_option): Take lang_mask. Update callers.
11203 Handle OPT_Werror_.
11204 * common.opt (Werror=): New.
11205 * doc/invoke.texi: Document -Werror=*
11207 2006-01-18 Jeff Law <law@redhat.com>
11209 * tree-vrp.c (test_for_singularity): Correct test for new
11210 min limit. Use operand_equal_p rather than pointer equality
11211 for testing if new min/max values are equal.
11213 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11214 using range information until after propagation and folding.
11216 2006-01-18 Richard Henderson <rth@redhat.com>
11217 Aldy Hernandez <aldyh@redhat.com>
11218 Jakub Jelinek <jakub@redhat.com>
11219 Diego Novillo <dnovillo@redhat.com>
11221 * omp-low.c: New file.
11222 * c-omp.c: New file.
11224 2006-01-18 Richard Henderson <rth@redhat.com>
11225 Jakub Jelinek <jakub@redhat.com>
11226 Diego Novillo <dnovillo@redhat.com>
11228 * doc/invoke.texi: Document -fopenmp.
11229 * tree-dump.h (debug_function): Declare.
11230 * hooks.c (hook_bool_tree_bool_false): New function.
11231 (hook_tree_tree_null): Remove.
11232 (hook_tree_tree_tree_null): New.
11233 * hooks.h: Update to match.
11234 * tree-pretty-print.c (debug_tree_chain): New.
11235 (print_generic_expr): Handle TDF_CHAIN.
11236 (dump_generic_node): Handle BLOCK.
11237 Do not abort with incomplete SWITCH_EXPRs.
11238 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11239 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11240 print space after directive name.
11241 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11242 Handle OMP_MASTER and OMP_ORDERED.
11243 Handle printing of OMP_BODY just in one place, goto
11244 dump_omp_body in the rest of OMP_* nodes that have
11246 Don't handle clause nodes here. Update omp statements to
11247 use dump_omp_clauses.
11248 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11249 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11250 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11251 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11252 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11253 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11254 Adjust output for GOMP_PARALLEL.
11255 (dump_omp_clauses): New.
11256 (print_declaration): Dump DECL_VALUE_EXPR.
11257 (op_symbol_1): Split out of op_symbol.
11258 (dumping_stmts): Remove. Update all users.
11259 * cgraph.c (cgraph_analyze_queue): New.
11260 (cgraph_add_new_function): New.
11261 * cgraph.h (cgraph_analyze_queue): Declare.
11262 (cgraph_add_new_function): Declare.
11263 (cgraph_lower_function): Remove.
11264 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11265 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11266 and TYPE_P nodes in its default clause.
11267 (empty_body_p): New.
11268 (tree_range_check_failed): New.
11269 (build5_stat): New.
11270 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11271 OMP_CLAUSE_REDUCTION_MERGE,
11272 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11273 OMP_CLAUSE_PRIVATE_DEBUG,
11274 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11275 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11276 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11277 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11278 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11279 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11280 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11281 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11282 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11283 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11284 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11285 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11286 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11287 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11288 (TREE_RANGE_CHECK): New.
11289 (empty_body_p): Declare.
11290 (enum omp_clause_default_kind): New.
11291 (build_string_literal): Declare.
11292 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11293 (build5_stat, build5): Declare.
11294 * tree-pass.h (TDF_CHAIN): Define.
11295 * tree-pass.h (PROP_gimple_lomp): Define.
11296 (pass_lower_omp): Declare.
11297 * diagnostic.h (debug_tree_chain): Declare.
11298 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11300 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11301 * builtins.c (build_string_literal): Make extern.
11302 * gcc.c (include_spec_function): New.
11303 (static_spec_functions): Add it.
11304 (main): Move load of libgomp.spec ...
11305 (LINK_COMMAND_SPEC): ... here.
11306 (link_gomp_spec): New.
11307 (static_specs): Include it.
11308 (LINK_COMMAND_SPEC): Add link_gomp.
11309 (GOMP_SELF_SPECS): New.
11310 (driver_self_specs): Include it.
11311 (switch_matches): Don't mark inline.
11312 (main): Load libgomp.spec.
11313 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11314 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11315 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11316 * tree-gimple.h (enum omp_parallel): Declare.
11317 (determine_parallel_type): Declare.
11318 (omp_firstprivatize_variable): Declare.
11319 (omp_reduction_init): Declare.
11320 (diagnose_omp_structured_block_errors): Declare.
11321 (struct walk_stmt_info): Add want_return_expr.
11322 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11323 (find_omp_clause): Declare.
11324 (insert_field_into_struct): Declare.
11325 (struct walk_stmt_info): Move from tree-nested.c
11326 (walk_stmts): Declare.
11327 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11329 * cgraphunit.c (cgraph_lower_function): Make static.
11330 (cgraph_finalize_pending_functions): New.
11331 (cgraph_finalize_function): Call it.
11332 (cgraph_finalize_compilation_unit): Likewise.
11333 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11334 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11335 (BT_FN_UINT_UINT): New.
11336 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11337 DEF_FUNCTION_TYPE_VAR_4): Document.
11338 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11339 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11340 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11341 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11342 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11343 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11344 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11345 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11346 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11347 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11348 into separate files.
11349 (DEF_GOMP_BUILTIN): New.
11350 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11351 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11352 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11353 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11354 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11355 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11356 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11357 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11358 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11359 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11360 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11361 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11362 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11363 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11364 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11365 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11366 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11367 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11368 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11369 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11370 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11371 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11372 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11373 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11374 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11375 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11376 * sync-builtins.def: New file, moved from builtins.def.
11377 * omp-builtins.def: New file, moved from builtins.def.
11378 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11379 * gimple-low.c (lower_function_body): Clear data.
11380 (lower_stmt): Do not handle COMPOUND_EXPR.
11381 Remove call to print_node_brief.
11382 * c-tree.h (c_finish_omp_clauses): New prototype.
11383 (C_DECL_THREADPRIVATE_P): Define.
11384 (lookup_name_no_remap, c_omp_remap_private): Remove
11385 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11386 (check_for_loop_decls): Update decl.
11387 (lookup_name_no_remap, c_omp_remap_private): Declare.
11388 (build_indirect_ref, build_modify_expr, pushdecl,
11389 pushdecl_top_level): Move to c-common.h.
11390 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11391 before the switch, but just in the 2 places that need it.
11392 * c-decl.c (diagnose_mismatched_decls): Do not check for
11393 mismatched thread-local attributes when OLDDECL is marked
11394 threadprivate and NEWDECL has no thread-local attributes.
11395 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11396 (c_gimple_diagnostics_recursively): Rename from
11397 c_warn_unused_result_recursively. Invoke
11398 diagnose_omp_structured_block_errors.
11399 (check_for_loop_decls): Return a singular decl found.
11400 * langhooks.c (lhd_omp_predetermined_sharing): Return
11401 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11402 (lhd_omp_firstprivatize_type_sizes): New.
11403 (lhd_omp_assignment): New.
11404 (lhd_omp_predetermined_sharing): New.
11405 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11406 (struct lang_hooks_for_types): Add
11407 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11408 omp_predetermined_sharing, omp_disregard_value_expr,
11409 omp_private_debug_clause, omp_clause_default_ctor,
11410 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11411 (c_finish_omp_clauses): New.
11412 (c_finish_bc_stmt): Diagnose break within omp for.
11413 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11414 (build_unary_op): Return error_mark after reporting
11416 (build_modify_expr): Likewise.
11417 * gimplify.c: Include optabs.h and pointer-set.h.
11418 (enum gimplify_omp_var_data): Declare.
11419 (struct gimplify_omp_ctx): Declare.
11420 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11422 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11423 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11424 (splay_tree_compare_decl_uid): New.
11425 (new_omp_context): New.
11426 (delete_omp_context): New.
11427 (gimple_add_tmp_var): Call omp_add_variable.
11428 (gimplify_bind_expr): Likewise.
11429 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11430 true, disregard DECL_VALUE_EXPR on the decl if any.
11431 (gimplify_expr_in_ctx): New.
11432 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11433 omp_add_variable, omp_notice_variable, omp_is_private
11434 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11435 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11436 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11437 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11438 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11439 gimplify_omp_atomic): New.
11440 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11441 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11442 OMP_CRITICAL and OMP_ATOMIC.
11443 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11444 * c-pragma.h (enum pragma_kind): Add
11445 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11446 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11447 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11448 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11449 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11450 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11451 PRAGMA_OMP_THREADPRIVATE.
11452 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11453 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11454 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11455 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11456 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11457 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11458 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11459 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11460 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11461 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11462 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11463 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11464 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11466 (struct nesting_info): Add field_map,
11467 suppress_expansion, debug_var_chain.
11468 (create_nesting_tree): Initialize them.
11469 (lookup_field_for_decl): Use field_map.
11470 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11471 (convert_local_omp_clauses): New.
11472 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11473 (walk_body): Split out of walk_function.
11474 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11475 (convert_nonlocal_reference): Handle omp statements.
11476 (convert_local_reference): Likewise.
11477 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11478 (unnest_nesting_tree): New.
11479 (lower_nested_functions): Call it.
11480 (insert_field_into_struct): Make extern.
11481 (struct walk_stmt_info): Move to tree-gimple.h.
11482 (walk_stmts): Make extern.
11483 * omp-builtins.def: New file.
11484 * tree-iterator.c (expr_only): Clarify comment.
11485 * c-common.h (pushdecl_top_level, pushdecl,
11486 build_modify_expr, build_indirect_ref,
11487 c_finish_omp_master, c_finish_omp_critical,
11488 c_finish_omp_ordered, c_finish_omp_barrier,
11489 c_finish_omp_atomic, c_finish_omp_flush,
11490 c_finish_omp_for, c_split_parallel_clauses,
11491 omp_clause_default_kind, c_omp_sharing_predetermined,
11492 c_omp_remap_decl): Declare.
11493 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11494 (OBJS-common): Add omp-low.o.
11495 (c-omp.o, omp-low.o): Add.
11496 (gimplify.o): Add dependency on $(OPTABS_H).
11497 (GTFILES): Add omp-low.c.
11498 (gt-stringpool.h): Add.
11499 * tree-cfg.c (set_bb_for_stmt): Do not update the
11500 block-to-labels map if we are currently expanding to RTL.
11501 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11503 Handle IDENTIFIER_NODE.
11504 (tree_verify_flow_info): Do not ICE when emitting error
11505 messages about invalid labels.
11506 (dump_function_to_file): Reset CFUN before emitting the body
11508 (debug_function): New.
11509 * passes.c (init_optimization_passes): Schedule
11511 * langhooks-def.h (lhd_omp_predetermined_sharing,
11512 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11514 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11515 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11516 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11517 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11518 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11519 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11520 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11521 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11522 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11523 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11524 (LANG_HOOK_DECLS): Use them.
11526 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11527 Richard Henderson <rth@redhat.com>
11528 Jakub Jelinek <jakub@redhat.com>
11529 Diego Novillo <dnovillo@redhat.com>
11531 * c-parser.c (pragma_omp_clause): Define.
11532 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11533 (c_parser_compound_statement): Likewise.
11534 (c_parser_statement): Likewise.
11535 (c_parser_pragma): Handle omp pragmas.
11536 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11537 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11538 (c_parser_omp_clause_name, check_no_duplicate_clause,
11539 c_parser_omp_variable_list,
11540 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11541 c_parser_omp_clause_copyprivate,
11542 c_parser_omp_clause_default,
11543 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11544 c_parser_omp_clause_lastprivate,
11545 c_parser_omp_clause_nowait,
11546 c_parser_omp_clause_num_threads,
11547 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11548 c_parser_omp_clause_reduction,
11549 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11550 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11551 c_parser_omp_atomic, c_parser_omp_barrier,
11552 c_parser_omp_critical, c_parser_omp_flush,
11553 c_parser_omp_for_loop, c_parser_omp_for,
11554 c_parser_omp_master, c_parser_omp_ordered,
11555 c_parser_omp_sections_scope, c_parser_omp_sections,
11556 c_parser_omp_parallel, c_parser_omp_single,
11557 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11558 * c-pragma.c (init_pragma): Do omp pragma registration here.
11559 * c.opt (fopenmp): New flag.
11561 2006-01-18 Eric Christopher <echristo@apple.com>
11563 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11564 * config/darwin.h (GOMP_SELF_SPECS): Define.
11566 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11568 * rtl.h: Remove the prototype for reg_alloc.
11570 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11573 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11574 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11575 sjlj and dwarf2 exception handling.
11576 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11577 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11578 * pa/pa.c (function_value): Treat complex and vector types as
11580 (function_arg): Likewise. Only pass scalar floats in the floating
11581 point argument registers.
11582 * pa/t-slibgcc-dwarf-ver: New file.
11583 * pa/t-slibgcc-sjlj-ver: New file.
11584 * pa/t-slibgcc-elf-ver: Delete file.
11586 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11588 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11589 unlikely_test_section_p test.
11591 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11593 * mode-switching.c (optimize_mode_switching): Make it static.
11594 * basic-block.h: Remove the prototype for
11595 optimize_mode_switching.
11597 * modulo-sched.c (sms_schedule): Make it static.
11598 * rtl.h: Remove the prototype for sms_schedule.
11600 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11601 * rtl.h: Remove the prototype for gcse_after_reload_main.
11603 * reg-stack.c (reg_to_stack): Make it static.
11604 * rtl.h: Remove the prototype for reg_to_stack.
11606 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11608 * rtl.h: Remove the prototypes for regrename_optimize and
11609 copyprop_hardreg_forward.
11611 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11613 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11614 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11615 Test against the appropriate null constant for the mode.
11616 If 'fixup_overlap' is true, swap the operands if they overlap.
11617 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11618 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11619 alpha_split_tmode_pair and adjust for above change.
11620 * config/alpha/alpha.md (movtf_internal): Adjust call to
11621 alpha_split_tfmode_pair and rely on it to swap the operands.
11622 (movti_internal): New insn and post-reload splitter.
11623 (movti): New expander.
11625 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11627 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11630 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11632 * rtlanal.c (global_reg_mentioned_p_1,
11633 global_reg_mentioned_p): Remove.
11634 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11636 * flow.c (initialize_uninitialized_subregs): Make it static.
11637 * rtl.h: Remove the prototype for
11638 initialize_uninitialized_subregs.
11640 * function.c (instantiate_virtual_regs): Make it static.
11641 * function.h: Remove the prototype for
11642 instantiate_virtual_regs.
11644 * regmove.c (regmove_optimize, combine_stack_adjustments):
11646 * rtl.h: Remove the prototypes for regmove_optimize and
11647 combine_stack_adjustments.
11649 2006-01-17 Roger Sayle <roger@eyesopen.com>
11651 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11652 (size_cost): Encode costs in bytes so that a reg-reg addition is
11653 equivalent to COSTS_N_INSNS(1).
11654 (override_options): Use the size_cost.branch_cost as the default
11655 ix86_branch_cost when optimizing for size.
11657 2006-01-18 Ben Elliston <bje@au.ibm.com>
11659 * Makefile.in (D32PBIT_FUNCS): New.
11660 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11661 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11662 D64PBIT_FUNCS and D128PBIT_FUNCS.
11663 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11664 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11666 (decnumber_dep): Define.
11667 * doc/libgcc.texi (Decimal float library routines): New node.
11668 * config/dfp-bit.h, config/dfp-bit.c: New files.
11670 2006-01-18 Ben Elliston <bje@au.ibm.com>
11672 * expr.c (emit_move_change_mode): Always adjust addresses, not
11673 just during reload. Copy replacements only during reload.
11674 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11675 emit_move_via_integer.
11677 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11679 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11680 instead of $(srcdir) and ${srcdir}.
11682 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11685 PR middle-end/11135
11686 * arm.h (struct machine_function): Add pic_reg.
11687 * arm.c (arm_pic_register): Make unsigned.
11688 (arm_override_options): Only set arm_pic_register if
11689 TARGET_SINGLE_PIC_BASE.
11690 (use_return_insn): Only test for a pic register if it is fixed.
11691 (arm_compute_save_reg0_reg12_mask): Likewise.
11692 (thumb_compute_save_reg_mask): Likewise.
11693 (legitimate_pic_operand): Factor out some known invariants.
11694 (legitimize_pic_address): If we don't have a fixed pic register,
11695 then set up a pseudo in the function entry sequence. Handle the
11696 pic base being in a pseudo.
11697 (arm_load_pic_register): Handle the pic register being in a pseudo.
11698 (arm_expand_prologue): Only set up the pic register if it is fixed.
11699 (thumb_expand_prologue): Likewise.
11700 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11701 (pic_load_addr_based_insn): Likewise.
11702 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11705 2006-01-18 Ben Elliston <bje@au.ibm.com>
11707 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11708 decimal float modes for all floating point registers.
11710 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11711 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11713 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11716 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11717 even when the pointer is not NULL.
11719 2006-01-16 Ian Lance Taylor <ian@airs.com>
11721 * common.opt (ftoplevel-reorder): New option.
11722 * cgraph.c (cgraph_asm_nodes): New global variable.
11723 (cgraph_asm_last_node): New static variable.
11724 (cgraph_order): New global variable.
11725 (cgraph_create_node): Set new order field.
11726 (cgraph_varpool_node): Likewise.
11727 (decide_is_variable_needed): Return true if not
11728 flag_toplevel_reorder.
11729 (cgraph_add_asm_node): New function.
11730 * cgraph.h (struct cgraph_node): Add order field.
11731 (struct cgraph_varpool_node): Add order field.
11732 (struct cgraph_asm_node): Define.
11733 (cgraph_asm_nodes, cgraph_order): Declare.
11734 (cgraph_add_asm_node): Declare.
11735 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11737 (cgraph_varpool_assemble_pending_decls): Call it.
11738 (cgraph_output_pending_asms): New static function.
11739 (cgraph_finalize_compilation_unit): Call it.
11740 (struct cgraph_order_sort): Define.
11741 (cgraph_output_in_order): New static function.
11742 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11743 !flag_toplevel_reorder case.
11744 * c-parser.c: Include "cgraph.h".
11745 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11747 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11748 than -fno-unit-at-a-time.
11749 * doc/invoke.texi (Option Summary): Mention
11750 -fno-toplevel-reorder.
11751 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11752 -funit-at-a-time documentation.
11754 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11755 Kazu Hirata <kazu@codesourcery.com>
11757 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11759 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11761 * Makefile.in (FUNCTION_H): New. Use it instead of
11762 function.h throughout the file.
11763 * function.h: Include tree.h.
11765 2006-01-17 Ben Elliston <bje@au.ibm.com>
11767 * recog.c: Separate some functions with whitespace.
11769 2006-01-16 Richard Henderson <rth@redhat.com>
11771 Merge from gomp branch:
11772 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11773 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11774 and rename from struct inline_data. Rename callee* to dst*;
11775 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11776 transform_new_cfg, transform_return_to_modify, and
11777 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11779 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11780 (copy_decl_for_dup): Remove.
11781 * tree-inline.c (struct inline_data): Move to header.
11782 (insert_decl_map): Export.
11783 (remap_decl): Update for member name changes. Use copy_decl hook.
11784 Allow for replacement to be a non-decl. Remove dead code.
11785 (remap_type_1): Check for existing mapping.
11786 (remap_type): Export.
11787 (remap_decls): Update for member name changes.
11788 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11789 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11790 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11791 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11792 (tree_function_versioning, build_duplicate_type): Likewise.
11793 (copy_body_r): Likewise. Export.
11794 (copy_decl_for_dup): Split into ...
11795 (copy_decl_for_dup_finish, copy_decl_to_var,
11796 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11797 (replace_ref_tree, inlining_p): Remove.
11799 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11801 * ifcvt.c (if_convert): Make it static.
11802 * rtl.h: Remove the prototype for if_convert.
11804 * local-alloc.c (local_alloc): Make it static.
11805 * rtl.h: Remove the prototype for local_alloc.
11807 * loop.c (loop_optimize): Make it static.
11808 * cfgloop.h: Remove the prototype for loop_optimize.
11811 2006-01-16 DJ Delorie <dj@redhat.com>
11813 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11816 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11818 * pa.md: Disparage copies between general and floating-point registers
11819 in 32-bit move patterns.
11821 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11824 * Makefile.in (check-%): Depend on site.exp instead of
11825 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11830 * global.c (global_alloc): Make it static.
11831 * rtl.h: Remove the prototype for global_alloc.
11833 2006-01-16 Richard Guenther <rguenther@suse.de>
11835 * tree-ssa-alias.c (struct used_part): Add write_only field.
11836 (get_or_create_used_part_for): Initialize it to true.
11837 (create_overlap_variables_for): Don't create structure variables
11838 for structures that only are written to.
11839 (find_used_portions): Handle MODIFY_EXPR to track whether a
11840 structure is only written to.
11842 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11844 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11846 * basic-block.h: Remove the prototype for
11847 partition_hot_cold_basic_blocks.
11849 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11851 * cppspec.c (lang_specific_spec_functions): Remove.
11852 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11853 * gcc.h (lang_specific_spec_functions): Remove.
11854 * gccspec.c (lang_specific_spec_functions): Remove.
11856 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11858 * combine.c (record_value_for_reg): Invalidate registers
11860 (record_dead_and_set_regs_1): Likewise, by passing them to
11861 record_value_for_reg.
11862 (record_dead_and_set_regs): Invalidate stores made by a
11863 call. We do not combine across a call, but we still
11864 relied on equivalences.
11866 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11868 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11869 vrp_int_const_binop returning non-constant nodes.
11871 2006-01-16 Paul Brook <paul@codesourcery.com>
11873 * config/m68k/m68k.c (output_move_const_into_data_reg):
11874 Output correct mnemonic for mvz and mvs.
11876 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11878 * rtl-factoring.c: Add sequence abstraction algorithm.
11879 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11880 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11882 (block_has_preserve_label): New function.
11883 * common.opt: Register new pass.
11884 * Makefile.in: Ditto.
11886 * timevar.def: Ditto.
11887 * tree-pass.h: Ditto.
11888 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11889 * rtl.h (make_jump_insn_raw): Add forward decl.
11890 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11892 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11893 Roger Sayle <roger@eyesopen.com>
11895 * fold-const.c (fold_minmax): New static function.
11896 (fold_binary) <MIN_EXPR>: Call it.
11897 <MAX_EXPR>: Likewise.
11898 * stor-layout.c (place_field): Use DECL_SIZE consistently
11899 in the computation of the new record size.
11901 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11903 * cse.c (cse_condition_code_reg): Make it static.
11904 * rtl.h: Remove the prototype for cse_condition_code_reg.
11906 * combine.c (combine_instructions): Make it static.
11907 * rtl.h: Remove the prototype for combine_instructions.
11909 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11912 * tree.c (get_file_function_name_long): Concatenate the first global
11913 object name with a string derived from the input filename of the object
11916 2006-01-16 Ben Elliston <bje@au.ibm.com>
11918 * config/i386/winnt-stubs.c: Update FSF address.
11919 * config/xtensa/ieee754-df.S: Ditto.
11920 * config/xtensa/ieee754-sf.S: Ditto.
11922 2006-01-14 Ian Lance Taylor <ian@airs.com>
11924 * ifcvt.c (noce_init_if_info): New static function, broken out of
11925 noce_process_if_block.
11926 (noce_process_if_block): Call noce_init_if_info.
11927 (check_cond_move_block): New static function.
11928 (cond_move_process_if_block): New static function.
11929 (process_if_block): Call cond_move_process_if_block.
11931 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11933 * cselib.c (hash_table): Rename to cselib_hash_table.
11934 (cselib_clear_table, discard_useless_values,
11935 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11936 cselib_init, cselib_finish): Adjust uses of hash_table.
11938 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11940 PR tree-optimization/25485
11941 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11942 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11943 is known to be false and true, respectively.
11945 2006-01-14 Richard Guenther <rguenther@suse.de>
11947 PR tree-optimization/22548
11948 PR tree-optimization/22555
11949 PR tree-optimization/22501
11950 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11951 * params.def (salias-max-array-elements): New parameter.
11952 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11953 * doc/invoke.texi (salias-max-array-elements): Document.
11954 * tree-flow-inline.h (var_can_have_subvars): We also handle
11956 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11958 * tree-ssa-structalias.c (params.h): Include.
11959 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11960 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11961 (get_constraint_for): For ADDR_EXPR operating on something
11962 containing an ARRAY_REF, add all subvars to the solution.
11963 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11964 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11965 for creating MUST_DEFs.
11966 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11968 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11970 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11972 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11973 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11974 number_of_iterations_le): New functions.
11975 (number_of_iterations_special): Removed.
11976 (number_of_iterations_exit): Do not use number_of_iterations_special.
11977 * tree.c (unsigned_type_for): Always return integer type.
11979 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11980 Richard Guenther <rguenther@suse.de>
11982 PR rtl-optimization/24257
11983 * gcse.c (find_moveable_store): Only consider a store movable
11984 when the SET_SRC of the insn can be assigned to a register.
11986 2006-01-14 Ian Lance Taylor <ian@airs.com>
11988 * tree.c (tree_not_class_check_failed): New function.
11989 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11990 (tree_not_class_check_failed): Declare.
11992 2006-01-13 Ian Lance Taylor <ian@airs.com>
11994 * reload1.c (do_output_reload): Add assertion rejecting a
11997 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11999 * combine.c (struct reg_stat): Add new fields truncation_label and
12001 (record_value_for_reg): Reset truncated_to_mode.
12002 (record_truncated_value): New function.
12003 (check_promoted_subreg): Call it. Rename to check_conversions.
12004 (combine_instructions): Rename check_promoted_subreg to
12006 (reg_truncated_to_mode): New function.
12007 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12008 (gen_lowpart_or_truncate): New function.
12009 (force_to_mode): Use it instead of gen_lowpart.
12011 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12013 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12014 VAR is a tag, not its type tag.
12016 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12018 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12019 alternatives to match style of other entries.
12020 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12022 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12024 PR tree-optimization/25771
12025 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12028 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12031 * tree-inline.c (declare_return_variable): If the return variable
12032 was marked as a non gimple complex, set the return slot variable
12033 to be a non gimple comple variable.
12035 2006-01-13 Richard Guenther <rguenther@suse.de>
12037 * builtins.c (expand_builtin_sincos): New function.
12038 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12040 (expand_builtin): Expand sincos using expand_builtin_sincos.
12042 2006-01-12 DJ Delorie <dj@redhat.com>
12044 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12045 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12046 so that constant shifts can be split.
12047 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12048 (m32c_valid_pointer_mode): Make static.
12049 (shift_gen_func_for): New.
12050 (m32c_prepare_shift): Use it. Split large const shifts into
12052 * config/m32c/predicates.md (shiftcount_operand): Allow more
12054 (longshiftcount_operand): New.
12055 * doc/md.texi (Machine Constraints): Document In6.
12057 2006-01-13 Ben Elliston <bje@au.ibm.com>
12059 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12060 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12063 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12065 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12066 to try to avoid clobbering pieces of structures when we know
12067 something about the whole structure.
12068 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12070 2006-01-13 Ben Elliston <bje@au.ibm.com>
12072 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12073 return in memory, as this is no limitation is no longer present.
12075 2006-01-12 DJ Delorie <dj@redhat.com>
12077 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12078 mova with fb, and for fb+0 -> An.
12080 * config/m32c/mov.md (peephole2): Fix enabling logic.
12082 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12083 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12084 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12085 FINI_ARRAY_SECTION_ASM_OP): Define.
12087 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12089 (m32c_legitimize_reload_address): New logic to reload FB to An.
12090 (m32c_output_reg_push): Add newline.
12091 (m32c_output_reg_pop): Likewise.
12093 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12095 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12097 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12099 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12101 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12103 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12106 2006-01-11 Ben Elliston <bje@au.ibm.com>
12108 * rtlanal.c (find_reg_note): Assert insn is not null.
12110 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12112 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12115 2006-01-11 Jeff Law <law@redhat.com>
12117 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12119 (mark_threaded_blocks, register_jump_thread): New functions.
12120 (thread_through_all_blocks): Remove unwanted argument. No
12121 longer rely on e->aux to communicate thread target info.
12122 Call mark_threaded_blocks. Release the threaded_blocks
12123 bitmap and threaded_edges vector when complete.
12124 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12125 (threaded_blocks): Remove.
12126 (tree_ssa_dominator_optimize): Remove initialization and
12127 finalization of threaded_blocks. Simplify call to
12128 thread_through_all_blocks.
12129 (thread_across_edge): Call register_jump_thread rather than
12130 storing thread information into e->aux.
12131 (free_all_edge_infos): Simplify now that e->aux is no longer
12132 used to communicate with thread_through_all_blocks.
12133 * tree-flow.h (thread_through_all_blocks): Update prototype.
12134 (register_jump_thread): Prototype.
12136 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12138 * df-core.c (df_compact_blocks, df_bb_replace): Use
12139 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12141 2006-01-11 Richard Guenther <rguenther@suse.de>
12143 PR tree-optimization/25734
12144 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12145 stop propagation after successful propagation to the LHS.
12147 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12149 * basic-block.h (control_flow_graph): Change the type of
12150 x_basic_block_info to VEC(basic_block,gc) *.
12151 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12153 (SET_BASIC_BLOCK): New.
12154 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12155 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12156 * cfgbuild.c (find_basic_blocks): Likewise.
12157 * cfglayout.c (fixup_reorder_chain): Likewise.
12158 * cfgrtl.c (create_basic_block_structure,
12159 rtl_create_basic_block): Likewise.
12160 * ifcvt.c (find_if_case_1): Likewise.
12161 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12164 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12166 * Makefile.in: Removed rotted odf.c entry.
12168 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12171 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12172 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12173 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12174 output pattern modifier, not %e.
12175 * config/cris/cris.c (cris_op_str): Update comment about pattern
12177 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12178 before falling through into...
12179 <case 'E'>: Redefined from old 'e' case.
12181 2006-01-11 Jan Hubicka <jh@suse.cz>
12184 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12186 2006-01-11 Jan Hubicka <jh@suse.cz>
12188 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12189 * i386.c (x86_decompose_lea): Kill.
12190 (ix86_rtx_costs): Kill.
12192 2006-01-11 Jan Hubicka <jh@suse.cz>
12194 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12195 * cgraph.h (cgraph_node): Add inline_decl.
12196 (cgraph_insert_node_to_hashtable): Declare.
12197 (save_inline_function_body): Declare.
12198 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12200 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12201 (cgraph_function_versioning): Update call of tree_function_versioning.
12202 (save_inline_function_body): New function.
12203 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12204 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12205 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12206 (cgraph_default_inline_p): Likewise.
12207 (cgraph_decide_inlining_incrementally): Likewise.
12208 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12209 (copy_bb): Kill saving; do updating of clones.
12210 (copy_cfg_body): Kill saving.
12211 (initialize_inlined-parameters): Likewise.
12212 (expand_call_inline): Likewise.
12214 (tree_function_versioning): New parameter "update_clones".
12215 (inlining_p): Kill saving.
12216 * tree-inline.h (tree_function_versioning): Update prototype.
12217 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12220 2006-01-11 Ian Lance Taylor <ian@airs.com>
12222 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12223 Allow undoing set of machine mode.
12224 (do_SUBST): Use enums instead of is_int.
12225 (do_SUBST_MODE): New function.
12226 (SUBST_MODE): New macro.
12227 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12228 reg and trying to replace reg_regno_rtx with a new register.
12229 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12230 (simplify_set): Use SUBST_MODE.
12231 (distribute_notes): Remove code that tried to update reg notes
12232 for regno_reg_rtx changes.
12234 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12236 PR tree-optimization/23109
12237 PR tree-optimization/23948
12238 PR tree-optimization/24123
12240 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12241 * tree-cfg.c (single_noncomplex_succ): New.
12242 * tree-flow.h (single_noncomplex_succ): Declare it.
12243 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12244 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12245 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12246 insert_bb, register_division_in, insert_reciprocals,
12247 replace_reciprocal, free_bb): New.
12248 (execute_cse_reciprocals_1): Rewritten.
12249 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12250 Do not commit any edge insertion. Always compute dominators and
12251 create the allocation pool.
12252 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12253 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12254 * targhooks.c (default_min_divistions_for_recip_mul): New.
12255 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12256 * passes.c (init_optimization_passes): Run recip after tree loop
12258 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12260 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12261 Kenneth Zadeck <zadeck@naturalbridge.com>
12263 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12264 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12265 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12266 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12267 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12268 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12269 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12270 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12271 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12272 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12273 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12274 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12275 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12276 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12277 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12278 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12279 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12280 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12281 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12282 DF_SCAN_POST_ALLOC): New macros.
12283 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12284 df_free_bb_function, df_local_compute_function, df_init_function,
12285 df_dataflow_function, df_confluence_function_0,
12286 df_confluence_function_n, df_transfer_function,
12287 df_finalizer_function, df_free_function, df_dump_problem_function,
12288 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12289 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12290 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12291 df_urec_bb_info, ) New types.
12292 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12294 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12295 df_analyze_simple_change_some_blocks,
12296 df_analyze_simple_change_one_block, df_compact_blocks,
12297 df_bb_replace, df_bb_regno_last_use_find,
12298 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12299 df_insn_regno_def_p, df_find_def, df_find_use,
12300 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12301 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12302 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12303 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12304 debug_df_chain, df_get_dependent_problem, df_chain_create,
12305 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12306 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12307 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12308 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12309 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12310 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12311 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12312 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12313 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12314 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12315 df_reorganize_refs, df_set_state, df_hard_reg_init,
12316 df_read_modify_subreg_p) New public functions.
12317 * df-core.c: The core dataflow solver and glue routines for rtl
12319 (df_init, df_add_problem, df_set_blocks, df_finish,
12320 df_hybrid_search_forward, df_hybrid_search_backward,
12321 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12322 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12323 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12324 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12325 df_reg_defined, df_find_use, df_reg_used, df_dump,
12326 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12327 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12328 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12329 debug_df_useno, reset_df_after_reload): New functions.
12330 * df-scan.c: The scanning fuctions, once in df.c, completely
12331 rewritten so that they now fully model the functionality of
12332 register usage at the backend.
12333 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12334 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12335 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12336 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12337 df_get_artificial_defs, df_get_artificial_uses,
12338 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12339 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12340 df_refs_delete, df_reorganize_refs, df_set_state,
12341 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12342 df_def_record_1, df_defs_record, df_uses_record,
12343 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12344 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12345 df_record_exit_block_uses, df_hard_reg_init): New functions.
12347 * df-problems.c: Seven concrete dataflow problems that use the
12348 scanning in df-scan.c and are solved by the engine in df-core.c.
12349 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12350 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12351 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12352 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12353 df_ru_free_bb_info, df_ru_alloc,
12354 df_ru_bb_local_compute_process_def,
12355 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12356 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12357 df_ru_transfer_function, df_ru_free, df_ru_dump,
12358 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12359 df_rd_free_bb_info, df_rd_alloc,
12360 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12361 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12362 df_rd_transfer_function, df_rd_free, df_rd_dump,
12363 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12364 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12365 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12366 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12367 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12368 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12369 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12370 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12371 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12372 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12373 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12374 df_urec_mark_reg_use_for_earlyclobber,
12375 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12376 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12377 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12378 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12379 df_chain_create_bb_process_use, df_chain_create_bb,
12380 df_chain_finalize, df_chain_free, df_chains_dump,
12381 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12382 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12383 df_reg_lifetime): New functions.
12384 * df.c: Deleted file.
12385 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12386 consistent with new df api.
12387 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12388 rest_of_handle_sms): Ditto.
12389 * web.c (unionfind_union, union_defs, entry_register, web_main):
12391 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12392 invariant_expr_equal_p, find_defs, check_dependencies,
12393 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12394 free_inv_motion_data, move_loop_invariants): Ditto.
12395 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12396 Update dependencies.
12397 (odf.c): Added defective entry that was deleted later in day.
12398 * sched-deps.c (sched_analyze_1): Ditto.
12400 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12402 * tree-ssa-operands.c (get_expr_operands): Record addressable
12403 variables directly. Do not call add_stmt_operands for CONST_DECLs
12405 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12406 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12408 2006-01-11 Ben Elliston <bje@au.ibm.com>
12410 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12411 function returns true in the positive case.
12413 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12416 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12417 for SI, DI, SF and DF modes. Add alternatives to copy between
12418 general and floating point registers to the 32-bit patterns.
12419 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12420 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12421 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12422 generating 64-bit code.
12423 * config/pa/pa.c (output_move_double): Handle copies between general
12424 and floating registers.
12426 2006-01-10 Stuart Hastings <stuart@apple.com>
12428 * config/i386/i386.md (set_got): Update.
12429 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12430 (builtin_setjmp_receiver): Mach-O support.
12431 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12432 (GOT_SYMBOL_NAME): Define.
12433 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12434 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12435 * config/i386/i386.c (override_options): Revise for Darwin.
12436 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12437 support. (darwin_x86_file_end): New. (output_set_got): Add label
12438 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12439 * config/i386/i386-protos.h (output_set_got): Likewise.
12440 * config/darwin.c (machopic_legitimize_pic_address): Update
12443 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12445 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12446 when MODE isn't BLKmode.
12448 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12450 PR rtl-optimization/25367
12451 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12453 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12456 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12457 for a negative bound.
12459 2006-01-10 Richard Guenther <rguenther@suse.de>
12461 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12462 Never override with anything constraint.
12464 2006-01-10 Jan Beulich <jbeulich@novell.com>
12466 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12467 256 bits when optimize_size.
12469 2006-01-10 Jan Beulich <jbeulich@novell.com>
12471 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12473 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12474 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12477 2006-01-10 Ben Elliston <bje@au.ibm.com>
12479 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12481 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12482 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12483 (USE_FP_FOR_ARG): Reject decimal float modes.
12484 (function_arg_advance): Likewise.
12485 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12486 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12487 point types in AltiVec vectors.
12488 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12489 (rs6000_libcall_value): Likewise.
12491 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12493 * config/xtensa/ieee754-df.S: New file.
12494 * config/xtensa/ieee754-sf.S: New file.
12495 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12496 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12497 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12499 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12501 * config/sh/predicates.md (binary_float_operator,
12502 binary_logical_operator, commutative_float_operator,
12503 equality_comparison_operator, greater_comparison_operator,
12504 less_comparison_operator, logical_operator,
12505 noncommutative_float_operator, shift_operator,
12506 symbol_ref_operand, unary_float_operator): Remove redundant
12509 2006-01-09 Jeff Law <law@redhat.com>
12511 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12512 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12513 now unused arguments. Callers updated.
12514 (eliminate_redundant_computations): Remove now unused arguments,
12516 (local_fold): Remove, no longer used.
12517 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12519 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12520 (simplify_cond): New function.
12521 (forward_propagate_into_cond): Call simplify_cond.
12523 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12525 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12526 (*vec_extractv2di_1_sse): New.
12528 2006-01-09 Ben Elliston <bje@au.ibm.com>
12530 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12532 2006-01-08 Richard Guenther <rguenther@suse.de>
12534 * tree-ssa-structalias.c (get_constraint_for): Remove
12535 anyoffset argument.
12536 (get_constraint_for_component_ref): Likewise.
12537 (do_deref): Likewise.
12538 (get_constraint_for): Likewise.
12539 (do_structure_copy): Likewise.
12540 (handle_ptr_arith): Likewise.
12541 (find_func_aliases): Likewise. Remove unused need_anyoffset
12544 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12545 Kaz Kojima <kkojima@gcc.gnu.org>
12547 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12548 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12549 (EXTRA_CONSTRAINT_C16): Remove.
12550 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12551 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12552 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12553 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12554 constants of SHmedia. Handle nested constant expressions of
12556 (andcosts): Fix the costs for SHmedia constants.
12557 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12558 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12559 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12560 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12561 (movv4hi_i, movv2si_i): Likewise.
12562 (movsi_const): Adjust the second operand of ior so to match with
12563 the Csu constraint.
12564 (movdi_const, movdi_const_32bit): Likewise.
12565 (movdi_const_16bit+1): Don't sign-extend LOW.
12566 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12568 (*double_shori): Fix the split condition. Use GEN_INT instead
12569 of get_int_mode calls. Mask lower 16-bit of the argument of
12571 (sym2GOTPLT): Remove.
12572 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12574 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12575 instead of EXTRA_CONSTRAINT_C16.
12577 2006-01-07 Ian Lance Taylor <ian@airs.com>
12578 David Edelsohn <edelsohn@gnu.org>
12580 PR rtl-optimization/25662
12581 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12582 for constant operands instead of simplify_gen_binary.
12583 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12584 after trying simplify_binary_operation
12586 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12588 * tree.c (iterative_hash_expr): Hash decls based on UID.
12590 2006-01-06 Eric Christopher <echristo@apple.com>
12592 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12593 (TARGET_UNWIND_EMIT): Fix spelling.
12594 * target.h (gcc_target): Add except_table_label.
12595 * except.c (output_function_exception_table): Use.
12596 * varasm.c (default_emit_except_table_label): New.
12597 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12599 (asm_out): Add here.
12600 * output.h (default_emit_except_table_label): Prototype.
12601 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12602 * config/darwin.c (darwin_emit_except_table_label): Define.
12603 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12605 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12607 PR tree-optimization/18527
12608 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12609 number_of_iterations_special, number_of_iterations_exit):
12610 Move base and step of an iv to a single structure. Add
12611 no_overflow flag, and use it in # of iterations analysis.
12612 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12613 folded_casts argument.
12614 (simple_iv): Pass base and step in a structure. Set no_overflow
12616 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12617 Evaluate expensiveness of computing # of iterations instead of
12618 the final expression.
12619 * tree-scalar-evolution.h (affine_iv): New structure.
12620 (simple_iv): Declaration changed.
12621 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12622 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12623 find_givs_in_stmt): Changed due to simple_iv change.
12625 2006-01-06 Jeff Law <law@redhat.com>
12628 * tree-cfg.c (bsi_replace): Rename final argument from
12629 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12630 change (stmt -> orig_stmt).
12631 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12632 (bsi_remove): Add new argument. Remove EH information
12634 (verify_eh_throw_table_statements): New function.
12635 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12637 * tree-optimize.c (execute_free_cfg_annotations): Verify
12638 the EH throw statement table after removing annotations.
12639 * except.h (verify_eh_throw_table_statements): Prototype.
12640 * tree-flow.h (bsi_remove): Update prototype.
12641 * tree-vrp.c (remove_range_assertions): Add new argument to
12643 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12644 * tree-complex.c (expand_complex_div_wide): Likewise.
12645 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12646 * tree-tailcall.c (eliminate_tailcall): Likewise.
12647 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12648 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12649 * tree-nrv.c (tree_nrv): Likewise.
12650 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12651 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12652 (combine_blocks): Likewise.
12653 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12654 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12655 (cleanup_control_flow): Likewise.
12656 (remove_forwarder_block): Likewise.
12657 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12658 * tree-sra.c (sra_replace): Likewise.
12659 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12660 (forward_propagate_single_use_vars): Likewise.
12661 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12662 * tree-inline.c (expand_call_inline): Likewise.
12663 * tree-vect-transform.c (vect_transform_loop): Likewise.
12664 * tree-outof-ssa.c (rewrite_trees): Likewise.
12665 * tree-cfg.c (make_goto_expr_edges): Likewise.
12666 (cleanup_dead_labels): Likewise.
12667 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12668 (bsi_move_before, bsi_move_after): Likewise.
12669 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12670 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12672 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12675 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12677 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12678 on non gimple variables. Also add checks at the top for decls and
12680 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12682 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12683 and IMAGPART_EXPR for creating MUST_DEFs.
12684 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12685 and NAME_MEMORY_TAG separately from the DECLs.
12687 2006-01-06 Richard Guenther <rguenther@suse.de>
12689 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12690 annotation, if necessary.
12691 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12692 redundant calls to update_stmt.
12693 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12696 2006-01-05 Richard Henderson <rth@redhat.com>
12698 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12700 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12702 * c-typeck.c: Update copyright date.
12704 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12706 * c-typeck.c (build_c_cast): Always warn when casting
12707 from a pointer to an integer of different size, even if
12708 the node was constant.
12710 2006-01-05 Richard Guenther <rguenther@suse.de>
12712 PR tree-optimization/22555
12713 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12714 if one structure field is an array.
12715 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12716 operands even if we found a subvar, but ignore VOPs in this
12718 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12720 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12722 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12724 PR middle-end/24998
12725 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12727 2006-01-05 Richard Guenther <rguenther@suse.de>
12728 Diego Novillo <dnovillo@redhat.com>
12730 * tree-pass.h (TODO_remove_unused_locals): Define.
12731 * gimple-low.c (expand_var_p, remove_useless_vars,
12732 pass_remove_useless_vars): Remove. Update all users.
12733 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12734 (remove_unused_locals): New function.
12735 * tree-flow.h (remove_unused_locals): Declare.
12736 * passes.c (execute_todo): Call remove_unused_locals if
12737 TODO_remove_unused_locals is set.
12738 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12739 * tree-ssa-dce.c (pass_dce): Likewise.
12740 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12742 2006-01-05 Richard Guenther <rguenther@suse.de>
12744 * tree-flow.h (struct fieldoff): Decompose field to
12745 type, size and decl.
12746 * tree-ssa-alias.c (create_sft): Take type as parameter.
12747 (create_overlap_variables_for): Store type, size and decl
12748 in the fieldoff structure.
12749 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12750 of struct fieldoff.
12751 (push_fields_onto_fieldstack): Likewise.
12752 (create_variable_info_for): Likewise. Use offset for the
12753 SFT name if the decl is not available.
12755 2006-01-04 Paul Brook <paul@codesourcery.com>
12757 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12759 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12761 * lambda-code.c (can_put_in_inner_loop): Relax
12763 (can_put_after_inner_loop): New function.
12764 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12765 (perfect_nestify): Change to make copies and modify uses.
12767 2006-01-04 Richard Henderson <rth@redhat.com>
12769 Merge from gomp branch:
12770 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12771 via integer constant.
12772 (pragma_lex): Remove.
12773 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12774 rather than parsing it.
12775 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12776 handle_pragma_extern_prefix): Add %< %> quotes.
12777 (registered_pragmas): New.
12778 (c_register_pragma_1): New.
12779 (c_register_pragma): Use it.
12780 (c_register_pragma_with_expansion): Likewise.
12781 (c_invoke_pragma_handler): New.
12782 (init_pragma): Use cpp_register_deferred_pragma directly for
12784 * c-pragma.h (enum pragma_kind): New.
12785 (pragma_handler): New.
12786 (c_invoke_pragma_handler): Declare.
12787 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12789 * c-common.h (c_common_pch_pragma): Update decl.
12790 * Makefile.in (c-parser.o): Update dependencies.
12791 (GTFILES): Add c-pragma.h.
12792 * c-parser.c (struct c_token): Add pragma_kind.
12793 (struct c_parser): Add in_pragma.
12794 (c_lex_one_token): Always initialize keyword and pragma_kind.
12795 Extract data for CPP_PRAGMA.
12796 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12797 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12798 Don't allow CPP_PRAGMA_EOL if in_pragma.
12799 (c_parser_consume_pragma): New.
12800 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12801 (c_parser_skip_to_end_of_parameter): Likewise.
12802 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12803 (c_parser_skip_to_pragma_eol): New.
12804 (c_parser_external_declaration): Handle CPP_PRAGMA.
12805 (c_parser_compound_statement_nostart): Likewise.
12806 (c_parser_statement_after_labels): Likewise.
12807 (c_parser_pragma): New.
12808 (pragma_lex): Likewise.
12809 (c_parser_pragma_pch_preprocess): New.
12810 (c_parser_new): Merge into ...
12811 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12813 2006-01-04 Jeff Law <law@redhat.com>
12816 * tree-cfg.c (bsi_replace): Remove the original statement
12817 from the EH throw statement table.
12819 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12821 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12822 make the prototype extern "C" and add throw ().
12825 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12826 and pos non-negative and pos + len <= 32.
12827 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12828 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12829 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12832 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12833 as well as sizes not multiple of component size.
12836 * function.c (instantiate_expr): New function.
12837 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12838 walk its DECL_VALUE_EXPR with instantiate_expr.
12840 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12841 DW_OP_deref{,_size} if address isn't going to be added.
12843 2006-01-04 Ben Elliston <bje@au.ibm.com>
12845 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12846 * config/fp-bit.c: Likewise.
12848 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12850 * dominance.c: Add comment about why we use DFS numbering
12853 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12854 Richard Henderson <rth@redhat.com>
12856 Merge from gomp-branch:
12857 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12858 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12860 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12862 PR rtl-optimization/25578
12863 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12864 pass a parameter to simplify_shift_const if changing ASHIFTRT
12867 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12869 * builtins.c (get_builtin_sync_mem): New function.
12870 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12871 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12872 Call get_builtin_sync_mem to generate mem rtx.
12874 2006-01-03 Richard Guenther <rguenther@suse.de>
12877 * stmt.c (add_case_node): Make sure to clear overflow flags
12880 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12882 Merge from gomp-branch.
12883 * config/sparc/sync.md: New file.
12884 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12885 UNSPECV_LDSTUB): New constants.
12886 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12887 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12888 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12891 2006-01-03 Roger Sayle <roger@eyesopen.com>
12893 * combine.c (reg_subword_p): New predicate to test whether the
12894 destination of a set refers to a subword/piece of a register.
12895 (try_combine): Generalize the code to merge the setting of a
12896 pseudo to a constant followed by a set of a subword of that
12897 register to a constant.
12899 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12901 * basic-block.h (control_flow_graph): Change the type of
12902 x_label_to_block_map to VEC(basic_block,gc) *.
12903 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12904 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12906 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12907 VEC(basic_block,heap) *.
12908 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12909 ssa_prop_fini): Adjust the uses of cfg_blocks.
12911 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12913 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12915 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12916 hashing trees instead of a pointer hash.
12917 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12918 compare for MEM_EXPR.
12920 PR rtl-optimization/25130
12921 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12922 when comparing MEMs for GCSE
12924 2006-01-03 Ben Elliston <bje@au.ibm.com>
12926 * targhooks.h (default_decimal_float_supported_p): Declare.
12927 * targhooks.c (default_decimal_float_supported_p): Define.
12928 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12929 `default_decimal_float_supported_p'.
12930 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12932 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12934 * combine.c (apply_distributive_law <SUBREG>): Check
12935 TRULY_NOOP_TRUNCATION.
12937 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12939 * dwarf2out.c (have_switched_text_section): Delete.
12940 (have_multiple_function_sections): New.
12941 (have_location_lists): Make 'bool'.
12942 (add_AT_loc_list): Use 'true' not '1'.
12943 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12944 (output_loc_list): Use have_multiple_function_sections.
12945 (output_ranges): Likewise.
12946 (dwarf2out_begin_function): Set have_multiple_function_sections if
12948 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12949 Check function_section rather than DECL_SECTION_NAME.
12950 (dwarf2out_finish): Use have_multiple_function_sections.
12951 Don't clear have_location_lists.
12953 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12954 Jan Hubicka <jh@suse.cz>
12956 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12957 case of conditional jump jumping to the next instruction.
12958 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12959 cases of conditional jump jumping to the next instruction.
12961 2006-01-02 Jan Hubicka <jh@suse.cz>
12963 * i386.c (*_cost): Add COSTS_N_INSNS.
12964 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12966 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12969 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12971 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12973 * config/arm/arm.c (all_fpus): Fix comment typo.
12974 * config/darwin.c: Likewise.
12975 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12976 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12977 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12979 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12981 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12982 (rs6000_split_compare_and_swapqhi): New.
12983 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12984 (sync_compare_and_swapqhi_internal): New.
12985 * config/rs6000/rs6000-protos.h: Declare.