| blob | fc4194d18e2126f922f32e1230d616284dfff08d |
1 2006-07-05 Jason Merrill <jason@redhat.com>
3 PR c++/13983
4 PR c++/17519
5 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6 * c-common.c (handle_packed_attribute): So don't copy it here.
7 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9 2006-07-05 Mike Stump <mrs@apple.com>
11 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
13 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
15 PR target/26146
16 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
18 2006-07-05 Richard Guenther <rguenther@suse.de>
20 PR target/28158
21 * config/i386/i386.md (*negdf2_1): Restrict pattern to
22 TARGET_SSE2 targets if using SSE math.
23 (*absdf2_1): Likewise.
25 2006-07-05 Richard Guenther <rguenther@suse.de>
27 PR tree-optimization/28162
28 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
29 make sure to convert the operands to the correct type.
31 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
33 PR tree-optimization/28218
35 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
36 to calculate and free the dominator information.
38 2006-07-04 Peter O'Gorman <peter@pogma.com>
40 * mklibgcc.in: chmod 644 before ranlib during install.
42 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
43 J"orn Rennecke <joern.rennecke@st.com>
45 * configure.ac (.eh_frame data check): Use diff -b.
47 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
49 PR bootstrap/18058
50 * Makefile.in (BUILD_RTL): Add build/vec.o.
51 (build/gencondmd.o): Filter out -fkeep-inline-functions.
52 (build/genextract): Delete.
53 (build/genautomata): Likewise.
55 2006-07-04 Alan Modra <amodra@bigpond.net.au>
57 PR target/28207
58 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
59 128-bit IBM long doubles for ABI_V4.
61 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
63 * tree.c (range_in_array_bounds_p): New predicate.
64 * tree.h (range_in_array_bounds_p): Declare it.
65 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
66 return a less conservative answer.
67 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
68 and flag 'is_group'.
69 (IS_ELEMENT_FOR_GROUP): New macro.
70 (FOR_EACH_ACTUAL_CHILD): Likewise.
71 (next_child_for_group): New helper function.
72 (can_completely_scalarize_p): Take into account groups.
73 (sra_hash_tree): Handle RANGE_EXPR.
74 (sra_elt_eq): Likewise.
75 (lookup_element): Be prepared for handling groups.
76 (is_valid_const_index): Delete.
77 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
78 instead of is_valid_const_index.
79 <ARRAY_RANGE_REF>: New case.
80 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
81 is_valid_const_index.
82 <ARRAY_RANGE_REF>: Do not unconditionally punt.
83 (scan_dump): Dump info for groups too.
84 (decide_instantiation_1): Likewise.
85 (decide_block_copy): Assert that the element is not a group.
86 Propagate decision to groups.
87 (generate_one_element_ref): Handle RANGE_EXPR.
88 (mark_no_warning): Iterate over actual childs.
89 (generate_copy_inout): Likewise.
90 (generate_element_copy): Likewise.
91 (generate_element_zero): Likewise.
92 (generate_element_init_1): Likewise.
93 (dump_sra_elt_name): Handle RANGE_EXPR.
95 2006-07-03 Roger Sayle <roger@eyesopen.com>
97 PR tree-optimization/26251
98 * tree-ssa-threadupdate.c (redirection_block_p): New function.
99 (thread_block): When optimizing for size refuse to thread jumps
100 that would require duplication of blocks other than redirection
101 blocks.
103 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
105 * configure.ac: Fix thinko in previous check-in.
106 * configure: Regenerate.
108 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
110 PR other/27063
111 * configure.ac (for lang...): Simplify nesting of conditionals.
112 Test subdir_requires for non-enabled languages. Move processing
113 of lang_opt_files and lang_tree_fiels below that test.
114 * configure: Regenerate.
115 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
117 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
119 * doc/gcov.texi (Invoking Gcov): Add a missing word.
121 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
123 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
124 comment typos.
126 2006-06-29 Jason Merrill <jason@redhat.com>
128 PR c++/26905
129 PR c++/26612
130 PR c++/27000
131 PR c++/26984
132 PR c++/19134
133 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
134 * c-common.c (c_determine_visibility): Handle it here.
135 * c-decl.c (finish_decl): Call c_determine_visibility for
136 functions, too.
137 * flags.h (enum symbol_visibility): Sort from most to least visibility.
138 * tree.h: Likewise.
139 * varasm.c (default_assemble_visibility): Likewise.
140 * c-common.c (handle_visibility_attribute): Complain about trying
141 to give visibility to an already defined class, or trying to change
142 declared visibility. Always attach the attribute.
144 PR c++/26905
145 PR c++/21675
146 PR c++/17470
147 * attribs.c (decl_attributes): Ignore type-in-place attributes
148 once the type has been defined.
150 2006-06-29 Roger Sayle <roger@eyesopen.com>
152 PR middle-end/27428
153 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
154 to indicate the cpplib has issued an error message for us.
156 2006-06-29 Asher Langton <langton2@llnl.gov>
158 PR target/25765
159 * config/i386/i386.c (ix86_output_function_epilogue): Don't
160 insert a label at the end of an function under Mach-O.
162 2006-06-29 Eric Christopher <echristo@apple.com>
163 Evan Cheng <evan.cheng@apple.com>
165 * predicates.md (vector_all_ones_operand): New.
166 (nonimmediate_or_sse_const_operand): Ditto.
167 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
168 * config/i386/i386.c (standard_sse_constant_opcode): Define.
169 (standard_sse_mode_p): Ditto.
170 (standard_sse_constant_p): Add case for -1 vector.
171 (ix86_expand_vector_move): Try to use.
172 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
173 Call standard_sse_constant_opcode.
174 (*movv4sf_internal): Ditto.
175 (*movv2df_internal): Ditto.
177 2006-06-29 Roger Sayle <roger@eyesopen.com>
179 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
180 of XEXP to extract the operands of a MATCH_CODE rtx.
182 2006-06-28 Andrew Pinski <pinskia@gmail.com>
184 * tree.c (tree_size): Do not waste tail padding in
185 struct tree_string and make the size be the same as
186 build_string will generate.
188 2006-06-28 Jason Merrill <jason@redhat.com>
190 PR c++/27768
191 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
192 may_aliases already in the tag's annotations to the bitmap.
194 2006-06-28 Roger Sayle <roger@eyesopen.com>
196 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
198 2006-06-28 Roger Sayle <roger@eyesopen.com>
200 * genpreds.c (generate_switch_p): New function.
201 (add_mode_tests): Push the new mode test down inside an AND expr
202 if this allows the switch-suitable MATCH_CODE to be near the root.
203 (write_match_code_switch): New function to write a MATCH_CODE as
204 a switch statement.
205 (write_predicate_stmts): New function to write a predicate RTX
206 expression as a sequence of statements.
207 (write_one_predicate_function): Use write_predicate_stmts.
208 (write_tm_constrs_h): Likewise.
210 2006-06-26 Fred Fish <fnf@specifix.com>
212 * config/mips/t-sb1: New file.
213 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
214 tmake_file list.
216 2006-06-26 DJ Delorie <dj@redhat.com>
218 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
220 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
221 Jayant Sonar <jayants@kpitcummins.com>
222 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
224 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
225 (subsi3, subsi3_1, subsi3_2): New.
226 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
227 * config/m32c/mov.md (SI mov peephole): New.
228 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
229 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
231 2006-06-26 Olivier Hainque <hainque@adacore.com>
233 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
234 a CALL_EXPR target function declaration.
236 2006-06-26 Richard Guenther <rguenther@suse.de>
238 * tree.c (build_string): Do not waste tail padding in
239 struct tree_string.
241 2006-06-26 Richard Guenther <rguenther@suse.de>
243 * ggc-page.c (init_ggc): Add missing element to size_lookup
244 table.
246 Revert
247 2006-06-23 Richard Guenther <rguenther@suse.de>
249 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
250 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
251 alignment requests instead. Add verification code.
252 Add struct tree_function_decl and struct tree_binfo size to
253 extra_order_size_table. Add missing element to size_lookup
254 table.
256 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
258 PR middle-end/28151
259 * fold-const.c (const_binop): Be prepared for self returning zero.
260 Simplify code handling complex values.
262 2006-06-24 Olivier Hainque <hainque@adacore.com>
264 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
265 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
266 aggregate types.
268 2006-06-24 Olivier Hainque <hainque@adacore.com>
270 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
271 ARRAY_REF, so have the callback called for the low bound expression.
273 2006-06-23 Janis Johnson <janis187@us.ibm.com>
275 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
276 * c-typeck.c (c_common_type): Disallow operations on decimal float
277 types and other float types.
278 * convert.c (convert_to_real): Don't ignore conversions involving
279 decimal float types.
281 2006-06-23 Olivier Hainque <hainque@adacore.com>
283 * tree.c (max_int_size_in_bytes): New function, inspired from
284 code in function.c:assign_temp.
285 * tree.h (max_int_size_in_bytes): Declare.
286 * function.c (assign_temp): Use it.
287 * gimplify.c (create_tmp_var): Relax the assertions on the type
288 properties, not mandating constant size any more.
289 (force_constant_size): New static function.
290 (gimple_add_tmp_var): Use it, forcing variable size to a
291 constant upper bound if it is not constant on entry.
293 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
295 PR target/27789
296 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
297 for initialization and setting of one_only flag to ...
298 (i386_pe_encode_section_info): ...here.
299 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
300 Recheck that the symbol has not been defined.
302 2006-06-23 Richard Guenther <rguenther@suse.de>
304 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
305 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
306 alignment requests instead. Add verification code.
307 Add struct tree_function_decl and struct tree_binfo size to
308 extra_order_size_table. Add missing element to size_lookup
309 table.
311 2006-06-22 Roger Sayle <roger@eyesopen.com>
312 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
314 PR middle-end/28131
315 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
316 call to lang_hooks.types.type_for_mode returned NULL_TREE.
318 2006-06-23 Ben Elliston <bje@au.ibm.com>
320 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
321 negate dn -- manipulate it directly.
323 2006-06-22 Roger Sayle <roger@eyesopen.com>
324 Steven Bosscher <stevenb.gcc@gmail.com>
326 PR target/27531
327 * reload1.c (gen_reload): Call mark_jump_label on the new insns
328 generated by gen_move_insn to add REG_LABEL notes if necessary.
330 2006-06-22 Bob Wilson <bob.wilson@acm.org>
332 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
333 (leaf_entry): Remove use of MIN_ESA.
335 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
337 PR rtl-optimization/28121
338 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
339 the entry edge.
341 2006-06-21 DJ Delorie <dj@redhat.com>
343 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
344 (TN-16C-A156A/E).
345 (mulhisi3_r): Likewise.
347 2006-06-21 Richard Sandiford <richard@codesourcery.com>
349 PR middle-end/28034
350 * coverage.c (coverage_counter_alloc): Leave the index type
351 unspecified.
352 (coverage_counter_alloc): Use null arguments for operands 2 and 3
353 of the ARRAY_REF.
355 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
357 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
358 section from the "Options for Code Generation Conventions".
360 2006-06-21 Richard Henderson <rth@redhat.com>
362 PR target/26347
363 PR target/27082
364 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
365 symbols.
366 (global_symbolic_operand): Allow weak symbols, even if local_p.
368 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
370 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
371 (find_interesting_uses_address): Punt if above function returns true.
373 2006-06-21 Richard Guenther <rguenther@suse.de>
375 * configure: Regenerated.
377 2006-06-21 Joseph Myers <joseph@codesourcery.com>
379 * config/mips/mips.c (function_arg): Where one part of a
380 complex argument is in registers and the other part in the stack,
381 return a REG not a PARALLEL.
383 2006-06-21 Mark Mitchell <mark@codesourcery.com>
385 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
386 when cross-compiling. Do not substitute libstdcxx_incdir.
387 * configure: Regenerated.
389 2006-06-21 Jakub Jelinek <jakub@redhat.com>
391 * varasm.c (mergeable_string_section): Check for embedded NULs and
392 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
393 rather than TREE_STRING_LENGTH bytes.
395 2006-06-21 Richard Guenther <rguenther@suse.de>
397 * ggc-page.c (extra_order_size_table): Add var_ann_d,
398 tree_ssa_name, bitmap_element and phi_node with 4 arguments
399 sizes.
401 2006-06-21 Richrad Guenther <rguenther@suse.de>
403 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
404 Limit iteration over the dominators.
406 2006-06-20 Roger Sayle <roger@eyesopen.com>
408 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
409 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
411 2006-06-20 Richard Guenther <rguenther@suse.de>
412 Michael Matz <matz@suse.de>
414 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
415 function.
416 * alloc-pool.c (free_alloc_pool_if_empty): New function.
417 * et-forest.h (et_free_pools): Prototype new function.
418 * et-forest.c (et_free_tree_force): Free parent occurrence.
419 (et_free_pools): New function.
420 * dominance.c (free_dominance_info): Free et-forest alloc
421 pools.
423 2006-06-20 Roger Sayle <roger@eyesopen.com>
425 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
426 integer modes, attempt to directly construct an integer constant.
428 * fold-const.c (native_encode_vector): Determine the size of each
429 element from the vector type instead of the first vector element.
431 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
432 if all of its elements/components are constant.
433 (build_constructor_from_list): Likewise.
435 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
437 PR tree-optimization/27331
438 * tree-data-ref.c (free_data_ref): New function.
439 (create_data_ref): Fail if the data reference has unknown access
440 function.
441 (free_data_refs): Use free_data_ref.
443 2006-06-19 Andrew Pinski <pinskia@gmail.com>
445 PR middle-end/28075
446 * tree-inline.c (setup_one_parameter): Strip useless
447 type conversion before adding it to the IR.
448 (declare_return_variable): Likewise.
450 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
452 PR c/27149
453 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
455 2006-06-19 Mike Stump <mrs@apple.com>
457 * tree.c (variably_modified_type_p): VM arguments don't make the
458 type a VM type.
460 2006-06-19 Richard Guenther <rguenther@suse.de>
462 * tree-ssa-pre.c (try_combine_conversion): Strip useless
463 type conversions after folding.
465 2006-06-19 Richard Guenther <rguenther@suse.de>
467 * ggc-page.c (extra_order_size_tab): Add entries with
468 size of struct function and basic_block.
469 (size_lookup): Extend to cover sizes up to 511.
470 (ggc_alloc_stat): Adjust user.
471 (ggc_pch_count_object): Likewise.
472 (ggc_pch_alloc_object): Likewise.
473 (ggc_pch_write_object): Likewise.
475 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
477 * tree-ssa-loop-niter.c (implies_ge_p): New function.
478 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
479 correctly.
481 2006-06-19 Denis Chertykov <denisc@overta.ru>
483 * config/avr/libgcc.S : Correct my wrong previous commit.
485 2006-06-19 Roger Sayle <roger@eyesopen.com>
487 PR target/27861
488 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
489 have stripped a SUBREG from the shift count, so we may need to
490 convert_to_mode back to the type's mode before calling make_tree.
491 Use new_amount instead of amount to avoid expanding a tree twice.
493 2006-06-19 Richard Guenther <rguenther@suse.de>
495 PR middle-end/28045
496 * fold-const.c (operand_equal_p): Check if the argument types
497 have the same precision before stripping NOPs.
499 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
501 Fix PR tree-optimization/27341
502 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
503 statement we get.
504 * tree-complex.c (pass_lower_complex): Update SMT usage.
506 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
508 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
509 Add a new alternative to the constraint strings. Add move of
510 operand 1 to 3 to the splitter definition.
511 ("doloop_si_long"): Second contraint alternative removed.
513 2006-06-08 Anatoly Sokolov <aesok@post.ru>
515 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
516 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
517 __AVR_HAVE_LPMX__.
518 (AVR_HAVE_MOVW) Define.
519 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
520 (ASM_SPEC): Add avr25.
521 (LINK_SPEC): Add avr25.
522 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
523 (base_arch_s): Add new member 'have_movw_lpmx'.
524 (avr_arch_types): Init 'have_movw_lpmx'.
525 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
526 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
527 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
528 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
529 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
530 AVR_HAVE_MOVW.
531 (avr_file_start): Do not output '.arh' derective.
532 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
533 (__do_copy_data): Use __AVR_HAVE_LPMX__.
534 * config/avr/avr.md (mcu_enhanced): Delete.
535 (mcu_have_movw): Define.
536 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
537 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
538 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
539 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
540 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
541 attiny861 and at86rf401 devices.
543 2006-06-18 Jie Zhang <jie.zhang@analog.com>
545 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
546 of 4096.
548 2006-06-17 Karl Berry <karl@gnu.org>
550 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
551 doc/gccint.texi, doc/install.texi (@dircategory): Use
552 "Software development" instead of "Programming", following
553 the Free Software Directory.
555 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
557 * config/i386/i386.c (legitimate_tls_address)
558 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
559 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
560 (*tls_dynamic_gnu2_combine_64): Likewise.
562 2006-06-16 Richard Guenther <rguenther@suse.de>
564 PR middle-end/27116
565 * fold-const.c (negate_expr_p): Do not introduce undefined
566 overflow in negating INTEGER_CSTs.
567 (fold_negate_expr): Rename from negate_expr. Revert last
568 change for folding BIT_NOT_EXPR. Change semantics to
569 return NULL_TREE for non-simplified negations. Do not
570 strip type conversions and unify type handling.
571 (negate_expr): New function, wrap around fold_negate_expr
572 but ensure building a tree always. Strip type conversions
573 here, fold to result type.
574 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
576 2006-06-16 Roger Sayle <roger@eyesopen.com>
578 PR middle-end/27802
579 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
580 that (would) return their results in stack registers.
582 2006-06-16 Michael Matz <matz@suse.de>
583 Richard Guenther <rguenther@suse.de>
585 * fold-const.c (fold_truthop): Only return new tree node if
586 we canonicalized something.
588 2006-06-16 Richard Guenther <rguenther@suse.de>
590 * function.h (enum function_frequency): Move declaration
591 out of struct function.
592 (struct function): Move bool fields and the enum to the bitfield
593 section. Reorder elements to avoid padding. Remove unused
594 fields left over from the RTL inliner removal.
595 * function.c (free_after_compilation): Do not zero removed fields.
596 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
597 (ipa-type-escape.o): Likewise.
599 2006-06-16 Richard Guenther <rguenther@suse.de>
601 * cgraph.h (struct cgraph_local_info): Turn bool elements
602 into a bitfield.
603 (struct cgraph_node): Likewise.
604 (struct cgraph_varpool_node): Likewise.
606 2006-06-15 Richard Guenther <rguenther@suse.de>
608 * fold-const.c (fold_truth_not_expr): Rename from
609 invert_truthvalue. Give it fold_* semantics to avoid
610 generating garbage.
611 (invert_truthvalue): New function. Wrapper around
612 fold_truth_not_expr.
613 (optimize_minmax_comparison): Avoid creating garbage.
614 (fold_unary): Use fold_truth_not_expr for folding
615 TRUTH_NOT_EXPR.
616 (fold_ternary): Replace uses of invert_truthvalue with
617 fold_truth_not_expr where applicable.
618 * tree.h (fold_truth_not_expr): Prototype.
620 2006-06-16 Richard Guenther <rguenther@suse.de>
622 PR tree-optimization/27781
623 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
624 * ipa-pure-const.c (target.h): Include.
625 (analyze_function): Do not analyze functions that do not
626 bind locally.
628 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
630 PR middle-end/27793
631 * tree-dfa.c (referenced_vars_dup_list): Remove.
632 (find_referenced_vars): Remove assert.
633 (referenced_var_check_and_insert): Replace dup list with assert.
634 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
635 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
637 2006-06-15 Richard Guenther <rguenther@suse.de>
639 * tree-ssa-structalias.c (alias_get_name): Avoid creating
640 extra unused identifiers if not dumping.
641 (create_variable_info_for): Likewise.
643 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
645 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
646 (derive_constant_upper_bound): Derive more precise upper bound in
647 common cases. Return type changed to double_int.
648 (record_estimate): Reflect the changed return type of
649 derive_constant_upper_bound.
650 * double-int.c (double_int_zext, double_int_sext): Fix.
652 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
654 * configure.ac (CFLAGS): Get them from the toplevel or from the
655 configure invocation.
656 * configure: Regenerate.
657 * Makefile.in (CFLAGS): Substitute value provided by configure.
659 2006-06-14 Mark Mitchell <mark@codesourcery.com>
661 PR c++/26559
662 * c-common.h (c_finish_omp_atomic): Adjust declaration.
663 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
664 rather than calling add_stmt on it.
665 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
667 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
669 PR middle-end/27959
670 * reload1.c (reload): Remove registers returned by update_eliminables
671 from used_spill_regs.
673 2006-06-13 DJ Delorie <dj@redhat.com>
675 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
677 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
679 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
680 html__strip_dir, html__mkdir_p. Enhance install-html target.
681 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
682 * configure: Regenerate.
684 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
686 * fold-const.c (fold_cond_expr_with_comparison): Check for
687 Objective-C++ as language in deciding COND_EXPR transformation.
689 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
691 PR target/28014:
692 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
693 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
694 * config/sh/lib1funcs.h (SL, SL1): Define.
695 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
696 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
697 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
698 (OBJS_Os_4_200): New variable.
699 ($(T)libgcc-Os-4-200.a): Use it.
700 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
701 when dividing 1 and/or by 0.
703 2006-06-13 Roger Sayle <roger@eyesopen.com>
705 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
706 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
707 * configure: Regenerate.
709 2006-06-13 Jie Zhang <jie.zhang@analog.com>
711 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
712 for real instruction.
714 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
716 PR middle-end/26807
717 * haifa-sched.c (check_cfg): Handle special case.
719 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
721 PR debug/26754
722 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
723 Add debug_info parameter. Chain the vars to the BLOCK instead
724 of the BIND_EXPR if debug info are requested for them.
725 (pop_gimplify_context): Adjust for above change.
726 (gimple_add_tmp_var): Likewise.
727 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
728 Add bool parameter.
729 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
730 (convert_local_reference): Likewise.
731 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
732 (finalize_nesting_tree_1): Request that debug info be emitted
733 for debug_var_chain.
735 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
737 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
738 for PR target/27863.
740 2006-06-13 Richard Guenther <rguenther@suse.de>
742 PR middle-end/27536
743 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
745 2006-06-13 Richard Guenther <rguenther@suse.de>
747 PR tree-optimization/27830
748 * tree-inline.c (copy_body_r): For copying the operand
749 of an ADDR_EXPR make sure to fold &* afterwards.
751 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
753 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
754 lvalues in the fb_none case with side-effects.
756 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
758 * tree-flow.h: Remove the prototype for
759 compute_phi_arg_on_exit.
760 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
761 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
762 Remove.
764 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
766 * builtins.c (expand_builtin_return_addr): Only use
767 frame_pointer_rtx when count == 0 and we are expanding
768 __builtin_return_address.
770 2006-06-12 Fred Fish <fnf@specifix.com>
772 * config/mips/mips.c (mips_file_start): Create special section
773 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
775 2006-06-11 Eric Christopher <echristo@apple.com>
777 PR middle-end/27948
778 * stor-layout.c (place_field): Remove check for
779 remaining_in_alignment when aligning at the end of a run.
781 2006-06-11 Eric Christopher <echristo@apple.com>
783 PR 27542
784 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
785 pragma.
787 2006-06-11 Roger Sayle <roger@eyesopen.com>
789 PR target/27858
790 Revert incorrect fix for PR target/27158
791 2006-05-08 Roger Sayle <roger@eyesopen.com>
792 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
793 of a reg_equiv_constant if the result is a legitimate constant.
795 2006-06-11 Roger Sayle <roger@eyesopen.com>
797 PR target/27158
798 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
799 extract a CONST_VECTOR element and interpret it as an integer.
800 (vspltis_constant): Use const_vector_elt_as_int instead of the
801 macro CONST_VECTOR_ELT in order to handle FP vector modes.
802 * config/rs6000/predicates.md (easy_vector_const): Consider
803 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
805 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
807 PR middle-end/27942
808 * stor-layout.c (update_alignment_for_field): Don't add extra
809 alignment for packed non-bitfield fields in ms_bitfield_layout_p
810 code.
812 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
814 * config/mips/t-rtems: Add EL/EB multilib variants.
816 2006-06-09 Mike Stump <mrs@apple.com>
818 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
820 2006-06-09 David Daney <ddaney@avtrex.com>
822 * doc/install.texi: Add binutils version recommendation for mips-*-*.
824 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
826 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
828 2006-06-09 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/26998
831 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
832 of signed types, only TYPE_MIN_VALUE is special, but for both,
833 minimum and maximum value. Likewise VR_ANTI_RANGE is special
834 in this case, as is -fwrapv.
836 2006-06-08 Mike Stump <mrs@apple.com>
838 PR target/26427
839 * config/darwin.c (darwin_asm_output_anchor): Disable
840 -fsection-anchors on darwin for now.
841 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
842 * rs6000/rs6000.c (optimization_options): Likewise.
844 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
846 PR target/27421
847 * config/i386/i386.c (classify_argument): Skip fields with invalid
848 types in unions.
850 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
852 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
853 (cse_insn): Likewise for the stack_pointer_rtx.
855 2006-06-08 Roger Sayle <roger@eyesopen.com>
857 * tree-ssa-dom.c (record_conditions): Only record "unordered"
858 conditions from floating point comparisons.
860 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
862 PR middle-end/27733
863 * expmed.c (struct alg_hash_entry): Fix type of field T
864 to match synth_mult argument.
865 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
867 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
869 PR target/27863
870 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
871 block boundaries.
873 2006-06-08 Richard Guenther <rguenther@suse.de>
875 PR middle-end/27116
876 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
877 only, if overflow is defined and not trapping.
878 (negate_expr): Likewise.
880 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
882 PR tree-optimization/27872
883 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
884 flag on the new exit edge of the unrolled loop.
886 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
888 PR rtl-optimization/26449
889 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
891 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
893 PR middle-end/27793
894 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
895 referenced_variables with matching DECL_UID's.
896 (find_referenced_vars): Make sure duplicate list is empty to start.
897 (referenced_var_p): Remove.
898 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
899 Check if var is in the list, and add if needed. Update the duplicate
900 list if a different var is in the list with the same DECL_UID.
901 (add_referenced_var): Call routine to check and insert.
902 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
903 * tree-flow.h (referenced_vars_dup_list): External declaration.
905 2006-06-07 Fred Fish <fnf@specifix.com>
907 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
908 into single entry.
910 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
912 PR target/27390
913 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
914 the imaginary and real parts of a clobbered register.
915 Emit insn to set the imaginary part.
917 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
919 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
920 in lieu of unwind-dw2-fde.c.
922 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
924 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
926 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
928 PR target/27842
929 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
930 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
931 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
932 V4SImode temporaries and operations instead.
934 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
936 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
937 dp-bit.c.
939 2006-06-06 Mike Stump <mrs@apple.com>
941 * Makefile.in: Rename to htmldir to build_htmldir to avoid
942 installing during build.
944 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
946 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
947 value to 0.
948 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
949 * config/ia64/ia64.c (params.h): New header.
950 (ia64_optimization_options): New function to adjust parameters.
951 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
952 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
953 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
955 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
957 * stor-layout.c (debug_rli): Fix a typo in a debug message.
959 2006-06-05 Steve Ellcey <sje@cup.hp.com>
961 PR target/27051
962 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
964 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
965 Victor Kaplansky <victork@il.ibm.com>
967 PR tree-optimization/26360
968 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
969 stmts.
971 2006-06-04 Roger Sayle <roger@eyesopen.com>
972 Andrew Pinski <pinskia@physics.uc.edu>
974 PR middle-end/27382
975 * c-common.c (c_common_truthvalue_conversion): Explicitly check
976 for LABEL_DECL before calling DECL_WEAK.
978 PR c/27150
979 * c-typeck.c (build_binary_op): Likewise, explicitly check for
980 LABEL_DECL and PARM_DECL.
982 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
984 PR c/25161
985 PR c/27020
986 * c-decl.c (grokdeclarator): Disallow variably modified types at
987 file scope. Avoid marking shared array type of constant size as
988 VLA.
990 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
992 PR c++/27601
993 * c-common.c (fold_offsetof_1): Handle static members.
995 2006-06-04 Eric Christopher <echristo@apple.com>
997 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
998 (debug_rli): Output value for remaining_in_alignment.
999 (update_alignment_for_field): Unconditionalize
1000 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1001 extra alignment code.
1002 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1003 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1004 * tree.h (record_layout_info_s): Remove prev_packed.
1005 * doc/extend.texi (ms_struct): Add documentation of format.
1007 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1009 * tree.h: Declare folding_initializer.
1010 * builtins.c (fold_builtin_constant_p): Give definite answer
1011 if folding inside an initializer.
1012 * fold-const.c: Define folding_initializer.
1013 (START_FOLD_INIT): Save and then set folding_initializer.
1014 (END_FOLD_INIT): Restore folding_initializer.
1016 2006-06-04 Richard Guenther <rguenther@suse.de>
1018 PR tree-optimization/27039
1019 * fold-const.c (fold_comparison): Handle pointer comparison
1020 again for all comparison codes. Compare offsets in signed
1021 size type.
1022 (fold_binary): Move code from here.
1024 2006-06-03 Roger Sayle <roger@eyesopen.com>
1026 PR target/26223
1027 * config/i386/i386.c (construct_container): Split static issued_error
1028 flag into issued_sse_arg_error, issued_sse_ret_error and
1029 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1030 requires the use of x87 registers and the user explicitly
1031 specified the -mno-80387 command line option.
1033 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1035 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1036 HAVE_DECL_SIGALTSTACK.
1037 (MC_FLD): New.
1038 (segv_handler): Use MC_FLD.
1039 * configure.ac: Check for a sigaltstack declaration.
1040 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1041 * configure: Regenerate.
1042 * config.in: Regenerate.
1044 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1046 PR other/27850
1047 * Makefile.in (stmp-fixinc): Fix typo.
1049 2006-06-02 Roger Sayle <roger@eyesopen.com>
1051 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1052 are type correct. Clean-up.
1053 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1054 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1056 2006-06-01 DJ Delorie <dj@redhat.com>
1058 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1059 shift, as we've disabled the "switch" insn that needs it.
1061 2006-06-01 Per Bothner <bothner@bothner.com>
1063 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1064 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1065 * c-ppoutput.c (cb_define): Don't increment line 0.
1067 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1069 * doc/invoke.texi: Add cpu_type power6.
1070 * config.gcc: Add cpu_type power6.
1071 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1072 to power5+ with Altivec.
1073 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1074 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1076 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1078 * config/avr/avr.h (SET_ASM_OP): Define.
1080 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1082 * config/bfin/bfin.c: Fix comment typos.
1084 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1086 PR 25453
1087 * doc/install.texi: Document --enable-bootstrap and
1088 --disable-bootstrap.
1090 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1092 * doc/install.texi: Document that InfoZIP can replace jar.
1094 2006-05-31 Roger Sayle <roger@eyesopen.com>
1096 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1097 isn't available, directly generate the simpler x87 patterns without
1098 the (use (const_int 0)).
1099 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1100 implementation isn't available.
1101 (*negdf2_1): Likewise.
1102 (*negxf2_1): XF mode negation is always done using the x87.
1103 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1105 2006-05-31 Roger Sayle <roger@eyesopen.com>
1107 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1108 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1109 cabs(z).
1110 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1112 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1114 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1115 * config/bfin/bfin.c (basic-block.h): Include.
1116 (struct machine_function): New.
1117 (bfin_init_machine_status): New.
1118 (override_options): Initialize init_machine_status.
1119 (bfin_hardware_loop): New.
1120 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1121 (DEF_VEC_P (loop_info)): New.
1122 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1123 (struct loop_info): New.
1124 (loop_info): New typedef.
1125 (struct loop_work): New.
1126 (loop_work): New typedef.
1127 (DEF_VEC_O (loop_work)): New.
1128 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1129 (bfin_dump_loops): New.
1130 (bfin_bb_in_loop): New.
1131 (bfin_scan_loop): New.
1132 (bfin_optimize_loop): New.
1133 (bfin_reorg_loops): New.
1134 (bfin_reorg): Use bfin_reorg_loops.
1135 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1136 loop registers.
1137 (I_REGNO_P): Simplify.
1138 (DP_REGNO_P, DPREG_P): New macros.
1139 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1140 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1141 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1142 Add LT_REGS, LC_REGS, LB_REGS.
1143 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1144 'l' for LB_REGS.
1145 (REGNO_REG_CLASS): Deal with loop registers.
1146 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1147 letters.
1148 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1149 New constants for loop registers.
1150 (UNSPEC_LSETUP_END): New.
1151 (seq_insns): New define_attr. Set it for appropriate insns.
1152 (movsi_insn): Add alternatives for move from/to
1153 loop count registers.
1154 (doloop_end): New define_expand.
1155 (loop_end): New define_insn.
1156 (define_split for bad doloop_end): New.
1157 (lsetup_with_autoinit): New define_insn.
1158 (lsetup_without_autoinit): New define_insn.
1159 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1160 * config/bfin/predicates.md (lc_register_operand): New.
1161 (lt_register_operand): New.
1162 (lb_register_operand): New.
1163 (nondp_register_operand): New.
1164 (nondp_reg_or_memory_operand): New.
1165 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1167 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1169 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1170 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1172 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1174 * Makefile.in (CATALOGS): Add po/ prefix.
1175 * configure: Regenerated.
1177 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1179 PR target/27829
1180 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1181 a shift operand before calling shift_op. Avoid redundant call of
1182 shift_op.
1184 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1185 DJ Delorie <dj@redhat.com>
1187 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1188 we're inserting is a singlt-bit constant.
1190 2006-05-30 Roger Sayle <roger@eyesopen.com>
1192 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1193 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1195 2006-05-30 Roger Sayle <roger@eyesopen.com>
1197 PR tree-optimization/23452
1198 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1199 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1200 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1201 complex values and with -ffast-math for FP complex values.
1203 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1205 * c-common.h: Remove the prototype for yyparse.
1206 * rtl.h: Remove the prototype for init_loop.
1208 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1210 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1211 calling recog.
1213 2006-05-30 Roger Sayle <roger@eyesopen.com>
1215 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1216 and rotate cases.
1217 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1218 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1220 2006-05-30 Dirk Mueller <dmueller@suse.de>
1222 PR c/27273
1223 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1224 for CONSTANT_CLASS_P expresisons.
1226 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1228 PR c/27718
1229 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1231 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1233 PR tree-optimization/27779
1234 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1235 initial_condition instead of CHREC_LEFT.
1237 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1239 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1240 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1241 Make prototypes ISO C90.
1243 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1244 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1246 * see.c (see_analyze_one_def): Correct check.
1247 (see_get_extension_data): Check if extension is parallel.
1248 (see_get_extension_reg): Likewise.
1250 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1252 PR target/27790
1253 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1254 into register for (code == GTU).
1256 2006-05-29 Roger Sayle <roger@eyesopen.com>
1258 PR tree-optimization/24964
1259 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1260 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1261 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1262 abs(x)*abs(x) as x*x for scalar floating point modes.
1264 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1266 PR middle-end/27745
1267 * lambda-code.c (perfect_nestify): Don't copy statements
1268 in the inner loop: move them to the inner loop header.
1270 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1272 PR 26237
1273 * c-tree.texi: Document OpenMP directives and clauses.
1275 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1277 * varasm.c (globalize_decl): Fix indentation.
1279 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1281 PR 26242
1282 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1283 pass_fre, pass_store_ccp, pass_copy_prop,
1284 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1285 pass_return_slot, pass_object_size, pass_lim,
1286 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1287 pass_loop_prefetch and pass_stdarg.
1289 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1291 * config/bfin/bfin.opt (mfdpic): New option.
1292 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1293 (EXTRA_MULTILIB_PARTS): Likewise.
1294 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1295 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1296 multilib.
1297 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1298 (CRT_CALL_STATIC_FUNCTION): New.
1299 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1300 -shared.
1301 (CRT_CALL_STATIC_FUNCTION): New.
1302 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1303 FD-PIC moves.
1304 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1305 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1306 (initialize_trampoline): Changed to handle FD-PIC code generation.
1307 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1308 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1309 (override_options): Disallow -mid-shared-library -mfdpic combination.
1310 Can't do unaligned ops if FD-PIC.
1311 Turn off flag_pic if trying to generate non-id-shared-library
1312 non-fdpic code, since it's not supported.
1313 (bfin_assemble_integer): New function.
1314 (TARGET_ASM_INTEGER): Define.
1315 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1316 __BFIN_FDPIC__.
1317 * config/bfin/crtn.s: Restore them.
1318 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1319 if TARGET_FDPIC.
1320 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1321 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1322 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1323 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1324 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1325 call-used.
1326 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1327 FDPIC_REGS and FDPIC_FPTR_REGS.
1328 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1329 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1330 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1331 (load_funcdescsi): New pattern.
1332 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1333 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1334 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1336 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1338 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1339 loop.c.
1341 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1343 * tree-flow.h: Remove the prototype for add_type_alias.
1344 * tree-ssa-alias.c (add_type_alias): Remove.
1346 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1348 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1349 config/fr30/fr30.md, config/i386/i386-interix.h,
1350 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1351 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1352 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1353 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1354 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1355 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1356 Follow spelling conventions.
1357 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1358 Follow spelling conventions.
1360 2006-05-27 Richard Guenther <rguenther@suse.de>
1362 PR middle-end/27773
1363 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1364 to produce a constant of value 1 of generic type.
1366 2006-05-27 Dirk Mueller <dmueller@suse.de>
1368 * cgraphunit.c (decide_is_function_needed): Fix wrong
1369 PR reference.
1371 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1373 PR rtl-optimization/27661
1374 * reload.c (find_reloads): When reloading a VOIDmode constant
1375 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1376 use Pmode as mode of the reload register.
1378 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1380 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1381 is enabled at -O and above.
1383 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1385 PR target/27571
1386 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1387 table data.
1389 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1391 PR c++/20103
1392 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1393 for anonymous variables explicitly declared by front ends.
1395 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1397 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1398 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1399 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1400 ref-all pointers, run a finalization pass for them.
1401 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1402 (finalize_ref_all_pointers): New function.
1403 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1404 regular pointer type to a ref-all pointer type.
1405 (get_tmt_for): Return the special memory tag for ref-all pointers.
1407 2006-05-25 Richard Guenther <rguenther@suse.de>
1409 PR middle-end/27743
1410 * fold-const.c (fold_binary): Do not look at the stripped
1411 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1413 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1415 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1416 for LT and GT if the computed range is effectively empty.
1418 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1420 PR target/27627
1421 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1422 mips_quad_format formats instead of ieee_single_format,
1423 ieee_double_format and ieee_quad_format formats, respectively.
1425 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1427 PR tree-optimization/27639
1428 PR tree-optimization/26719
1429 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1430 call to scev_probably_wraps_p.
1431 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1432 used_in_pointer_arithmetic_p, convert_step): Removed.
1433 (nowrap_type_p): New function.
1434 (scev_probably_wraps_p): Rewritten.
1435 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1436 chrec_convert if chrec_convert_aggressive might have been used.
1437 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1438 scev_direction): New functions.
1439 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1440 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1441 instead of convert_step.
1442 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1443 (convert_step): Declaration removed.
1444 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1446 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1448 * df-core.c: Added to header comments.
1449 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1450 df_ur_bb_info, df_urec_bb_info): Added comments.
1451 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1452 urec, ri problems): Fixed header comments.
1453 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1454 code from df_rd_transfer_function.
1456 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1458 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1459 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1460 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1462 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1464 * expr.c (undefined_operand_subword_p): New.
1465 (emit_move_multi_word): Do not generate move from undefined bits
1466 of a paradoxical subreg.
1468 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1470 PR rtl-optimization/27736
1471 * combine.c (replaced_rhs_value): New variable.
1472 (combine_instructions): Set it.
1473 (distribute_notes): When distributing a note in replaced_rhs_insn,
1474 check whether the value was used in replaced_rhs_value.
1476 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1478 PR c++/26757
1479 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1480 add_referenced_var instead of add_referenced_tmp_var.
1481 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1482 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1483 add_referenced_var.
1484 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1485 tree_optimize_tail_calls_1): Use add_referenced_var.
1486 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1487 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1488 Use add_referenced_var.
1489 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1490 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1491 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1492 Use add_referenced_var.
1493 * tree-dfa.c (struct walk_state): Remove.
1494 (find_referenced_vars): Remove walk state and vars_found hash table.
1495 (make_rename_temp): Use add_referenced_var.
1496 (find_vars_r): Pass less parameters to add_referenced_var.
1497 (referenced_var_p): New. Is var in referenced_var hash table.
1498 (referenced_var_insert): Assert var isn't already in hash table.
1499 (add_referenced_var): Don't need walk_state parameter. Add var if it
1500 isn't already in the hash table.
1501 (add_referenced_tmp_var): Remove.
1502 (find_new_referenced_vars_1): Use add_referenced_var.
1503 * tree-ssa-pre.c (create_expression_by_pieces,
1504 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1505 Use add_referenced_var.
1506 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1507 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1508 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1509 add_referenced_var.
1510 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1511 vect_create_data_ref_ptr, vect_create_destination_var,
1512 vect_init_vector, vect_build_loop_niters,
1513 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1514 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1515 Use add_referenced_var.
1516 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1517 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1518 (add_referenced_var): Add prototype.
1519 * tree-ssa-structalias.c (get_constraint_for,
1520 intra_create_variable_infos): Use add_referenced_var.
1522 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1524 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1525 big-endian paradoxical subregs.
1526 * var-tracking.c (struct micro_operation_def): Document that,
1527 for modify micro operations, insn is the subsequent instruction.
1528 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1529 (var_reg_set, var_mem_set): ... new functions.
1530 (add_stores): Record subsequent insn.
1531 (compute_bb_dataflow): Use new functions for MO_USE.
1532 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1533 notes after the insn, and modify notes before the insn known
1534 to be the subsequent one.
1535 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1537 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1539 PR target/27696
1540 * config/i386/i386.c (ix86_expand_builtin): Use
1541 gen_sse3_monitor64 for TARGET_64BIT.
1543 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1545 PR rtl-optimization/26375
1546 PR rtl-optimization/26855
1547 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1548 to gen set.
1549 (df_ru_bb_local_compute): Reversed statements and removed bogus
1550 comment explaining why they should be in wrong order.
1551 (df_ru_dump, df_rd_dump): Enhanced debug info.
1552 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1553 debug info.
1554 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1555 reaching uses and fixed space problem.
1557 2006-05-23 Jan Hubicka <jh@suse.cz>
1559 * cgraphunit.c (decide_is_function_needed): Also nested functions
1560 and functions declared inline can be optimized out at -O0.
1562 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1564 * doc/install.texi (Configuration): Remove reference to CrossGCC
1565 FAQ which was gone.
1566 (Building): Ditto.
1568 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1570 PR target/27266
1571 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1572 ix86_compare_emitted is non-NULL.
1574 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1576 PR c++/27451
1577 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1578 clobbers.
1580 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1582 PR rtl-optimization/25514
1583 * combine.c (replaced_rhs_insn): New variable.
1584 (combine_instructions): Set replaced_rhs_insn when trying to replace
1585 a SET_SRC with a REG_EQUAL note.
1586 (distribute_notes): Use replaced_rhs_insn when determining the live
1587 range of a REG_DEAD register.
1589 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1590 Anatoly Sokolov <aesok@post.ru>
1592 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1593 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1594 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1595 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1596 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1597 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1598 at90usb647, at90usb1286 and at90usb1287 devices.
1599 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1600 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1602 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1604 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1606 2006-05-22 Richard Guenther <rguenther@suse.de>
1608 Revert
1609 2006-01-31 Richard Guenther <rguenther@suse.de>
1610 Paolo Bonzini <bonzini@gnu.org>
1612 * doc/install.texi (--disable-libgcc-math): Document.
1614 2006-05-22 Richard Guenther <rguenther@suse.de>
1616 Revert
1617 2006-01-31 Richard Guenther <rguenther@suse.de>
1619 * doc/invoke.texi (-msselibm): Document.
1620 * target.h (expand_library_builtin): New target hook.
1621 * builtins.c (expand_builtin): Use expand_library_builtin.
1622 (default_expand_library_builtin): New function.
1623 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1624 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1625 (link_gcc_math_spec): Declare.
1626 (static_specs): Add link_gcc_math_spec.
1627 * expr.h (default_expand_library_builtin): Declare.
1628 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1629 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1630 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1631 * config/i386/i386.opt (msselibm): New target option.
1632 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1633 (ix86_init_sse_abi_builtins): New function.
1634 (ix86_expand_library_builtin): Likewise.
1635 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1636 (override_options): Handle error conditions wrt -msselibm.
1637 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1638 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1639 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1640 builtins.
1642 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1644 PR c/27420
1645 * c-common.c (self_promoting_args_p): Skip erroneous args.
1647 PR c/26818
1648 * c-decl.c (finish_struct): Skip erroneous fields.
1650 2006-05-22 Nick Clifton <nickc@redhat.com>
1652 * config/cris/cris.opt (march): Remove VarExists attribute.
1653 (max-stackframe=): Likewise.
1655 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1657 * doc/rtl.texi: Fix a typo.
1658 * see.c: Fix comment typos.
1660 * tree-ssa-structalias.h (alias_info): Remove num_references.
1662 2006-05-21 Mike Stump <mrs@apple.com>
1664 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1665 (BAD2): Add.
1666 (darwin_pragma_options): Use BAD instead.
1667 (darwin_pragma_unused): Likewise.
1668 (darwin_pragma_ms_struct): Likewise.
1670 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1672 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1674 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1676 PR rtl-optimization/27671
1677 * simplify-rtx.c (simplify_relational_operation_1): Fix
1678 simplifications of (eq/ne (xor x y) y) and
1679 (eq/ne (xor x y) x).
1681 PR tree-optimization/26622.
1682 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1683 on arg1.
1685 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1687 * tree-cfg.c: Prune whitespace.
1688 (debug_tree_cfg): Point to correct header containing the
1689 TDF_* defines.
1691 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1693 PR middle-end/25776
1694 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1696 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1698 PR middle-end/25776
1699 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1700 or sorry count is non zero.
1702 2006-05-20 Andreas Schwab <schwab@suse.de>
1704 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1706 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1707 Kenneth Zadeck <zadeck@naturalbridge.com>
1709 PR rtl-optimization/26855
1711 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1712 multiword refs.
1713 (df_scan_alloc): Added code to properly handle multiword hard
1714 registers and add all_blocks parameter.
1715 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1716 code to properly handle multiword hard registers.
1717 (df_rescan_blocks): Added code to remove deleted blocks from
1718 bitmap.
1719 (df_ref_create_structure, df_ref_record): Added code to properly
1720 handle subregs.
1721 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1722 and set DF_REF_PARTIAL.
1723 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1724 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1725 (df_scan_add_problem): Added flags parameter.
1726 (df_ref_create_structure): Changed switching structure.
1727 (df_bb_refs_record): Fixed case where duplicate artificial refs
1728 were created. Changed location of flags.
1729 (df_record_entry_block_defs): Added code to make stack pointer
1730 live in entry block. Refined cases where frame pointer is needed.
1731 Changed location of flags.
1732 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1733 (df_set_state): Removed function.
1734 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1735 df_insn_create_insn_record, df_insn_refs_delete,
1736 df_ref_create_structure): Formatting changes.
1737 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1738 df_delete_basic_block): New function.
1739 (df_init): Changed location of flags.
1740 (df_add_problem): Added flags parameter and the way flags are
1741 processed.
1742 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1743 debug_df_chain): Improved debugging output.
1744 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1745 (df_refs_chain_dump): Removed df parameter.
1746 (df_iterative_dataflow): Added consistency check.
1747 (df_prune_to_subcfg): Made public.
1748 (df_analyze_problem): Added blocks_to_init parameter and made
1749 public.
1750 (df_ref_record, df_bb_refs_record, df_mark_reg,
1751 df_record_exit_block_uses): Whitespace changes.
1752 (df_dump): Whitespace changes.
1753 * df.h: Some reordering to remove forward references.
1754 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1755 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1756 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1757 (dataflow.flags): New field.
1758 (df.flag): Deleted field.
1759 (df_alloc_function): Added additional bitmap parameter.
1760 (df_dependent_problem_function): New type.
1761 (df_problem.changeable_flags): New field.
1762 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1763 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1764 (df_mw_hardreg): New struct.
1765 (DF_INSN_UID_MWS): New macro.
1766 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1767 parameter.
1768 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1769 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1770 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1771 (df_set_state): Removed function.
1772 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1773 * df-problems.c (df_chain_dump): Removed df parameter.
1774 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1775 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1776 parameter.
1777 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1778 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1779 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1780 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1781 DF_REF_MUST_CLOBBER cases.
1782 (df_ru_bb_local_compute_process_def,
1783 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1784 df_lr_bb_local_compute, df_ur_bb_local_compute,
1785 df_chain_create_bb): Made subreg aware.
1786 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1787 df_lr_bb_local_compute, df_lr_bb_local_compute,
1788 df_chain_create_bb): Cleanup to use proper macros.
1789 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1790 code to fixup bitvectors.
1791 (df_ri_alloc): Cleared lifetime.
1792 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1793 df_create_unused_note): New function.
1794 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1795 REG_DEAD and REG_UNUSED notes as well as register information.
1796 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1797 df_chains_dump): Fixed crash if problem was never run.
1798 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1799 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1800 df_ri_add_problem): Processes flags in uniform manner.
1801 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1802 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1803 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1804 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1805 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1806 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1807 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1808 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1809 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1810 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1811 * see.c (see_initialize_data): Ditto.
1812 * final.c (rest_of_clean_state) Added regstack_completed.
1813 * rtl.h (regstack_completed): Ditto.
1814 * reg-stack.c (regstack_completed): Ditto.
1816 2006-05-19 Mike Stump <mrs@apple.com>
1818 * c-tree.h (default_conversion): Remove.
1819 * c-common.h (default_conversion): Add.
1821 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1823 * tree-vrp.c (valid_value_p): New function.
1824 (adjust_range_with_scev): Fail if the value of bound is not
1825 simple.
1827 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1829 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1830 (mips_fallback_frame_state): Use syscall numbers to determine
1831 the appropriate li instruction for the current ABI. Only use
1832 __NR_sigreturn for o32.
1834 2006-05-19 Nicolas Setton <setton@adacore.com>
1836 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1837 * langhooks.c (lhd_dwarf_name): New function.
1838 * langhooks-def.h (lhd_dwarf_name): Declare.
1839 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1840 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1841 * ada/misc.c (gnat_dwarf_name): New function.
1842 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1844 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1846 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1847 libgcc2.h.
1848 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1849 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1850 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1851 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1852 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1853 determine the size of Wtype, etc.
1854 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1855 (swfloatfuncs): New variable.
1856 (dwfloatfuncs): Likewise.
1857 (lib2funcs): Remove floating-point conversion functions from
1858 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1859 the set of conversion routines needed. Allow entries to specify
1860 an object name, filename and word size. Update users accordingly.
1861 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1862 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1864 Revert:
1866 2006-02-08 Roger Sayle <roger@eyesopen.com>
1868 PR target/22209
1869 * config/fixtfdi.c: New libgcc source file.
1870 * config/fixunstfdi.c: New source file.
1871 * config/floatditf.c: New source file.
1872 * config/floatunditf.c: New souce file.
1873 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1874 files above instead of config/mips/_tilib.c.
1875 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1877 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1879 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1880 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1882 2006-05-18 Mike Stump <mrs@apple.com>
1884 Fix up vla, vm and [*] sematics.
1886 PR c/18740
1887 PR c/7948
1888 PR c/25802
1889 PR c/27673
1890 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1891 (c_vla_unspec_p): Add.
1892 (c_vla_type_p): Add.
1893 * c-decl.c (struct c_scope): Add had_vla_unspec.
1894 (build_array_declarator): Add support for [*].
1895 (grokdeclarator): Likewise.
1896 (grokparms): Likewise.
1897 (get_parm_info): Likewise.
1898 * c-objc-common.c (c_vla_unspec_p): Likewise.
1899 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1900 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1901 typeof when argument is a variably modified type not inside sizeof or alignof.
1902 (c_parser_direct_declarator_inner): Propagate errors.
1903 (c_parser_sizeof_expression): Add support for [*].
1904 (c_parser_parms_declarator): Initialize had_vla_unspec.
1905 (c_parser_parms_list_declarator): Likewise.
1906 * c-typeck.c (c_vla_type_p): Add.
1907 (composite_type): Add support for vla compositing.
1908 (comptypes_internal): Add support for vla compatibility.
1909 (c_expr_sizeof_expr): Evaluate vla arguments.
1910 * tree.c (variably_modified_type_p): Update comment for [*].
1912 2006-05-18 Michael Matz <matz@suse.de>
1914 PR target/27599
1915 * config.host: Make assignments to host_xmake_file cumulative.
1916 * config.host (*-darwin*): Test $host, not $target.
1918 2006-05-12 Stuart Hastings <stuart@apple.com>
1920 * config/i386/i386.opt (-mstackrealign): New flag.
1921 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1922 (ix86_handle_cconv_attribute): Emit error when
1923 force_align_arg_pointer attribute collides with too many regparms.
1924 (ix86_function_regparm): Limit regparms when used with
1925 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1926 Support stack-realigning prologue in non-main functions. Emit
1927 warning for nested functions under -mstackrealign, emit error for
1928 nested functions with force_align_arg_pointer attribute.
1929 * doc/extend.texi (force_align_arg_pointer): Document it.
1930 * doc/invoke.texi (-mstackrealign): Document it.
1932 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1934 PR rtl-optimization/27477
1935 * combine.c (try_combine): Don't split a parallel consisting
1936 of two sets into two individual sets if both sets reference
1937 cc0.
1939 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1941 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1942 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1944 * doc/options.texi (VarExists): Updated.
1946 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1948 * unwind-dw2.c: Add declarations for uw_update_context and
1949 uw_frame_state_for.
1950 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1951 detected, advance frame state and context once to skip over stub.
1953 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1955 PR middle-end/20256
1956 PR middle-end/26435
1957 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1958 Call rewrite_into_loop_closed_ssa only when something changed.
1959 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1960 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1961 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1962 Test for perfect_nest_p here. Fix formating.
1963 (replace_uses_equiv_to_x_with_y): Fix formating.
1964 (stmt_uses_op): Removed.
1965 (can_convert_to_perfect_nest): Removed loopivs parameter.
1966 Complete the test by checking the scalar dependences.
1967 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1968 Fix formating.
1970 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1972 PR bootstrap/22541
1973 From Dan Kegel <dank@kegel.com>:
1974 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1976 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1978 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1979 if the element type is variably modified without recursing.
1981 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1983 PR middle-end/27332
1984 * tree-loop-linear.c (try_interchange_loops): Test for
1985 no data dependences.
1987 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1989 PR tree-optimization/27548
1990 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1991 range of ssa names that appear on abnormal edges.
1992 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1993 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1995 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1997 PR middle-end/27620
1998 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2000 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2002 PR middle-end/27415
2003 * tree.h (OMP_PARALLEL_COMBINED): Define.
2004 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2005 (new_omp_context): Add is_combined_parallel argument.
2006 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2007 new_omp_context caller.
2008 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2009 Adjust gimplify_scan_omp_clauses callers.
2010 (omp_is_private): Issue errors if iteration variable is firstprivate
2011 or reduction in the current context.
2012 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2013 on combined parallel workshare constructs.
2015 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2017 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2018 (gcc-options.o): New rule.
2020 * optc-gen.awk: Protect variables for gcc-options.o with
2021 #ifdef GCC_DRIVER/#endif.
2023 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2025 Fix PR tree-optimization/27373
2026 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2027 (forward_propagate_addr_expr): Update call.
2029 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2031 * doc/options.texi: Move the Negative option.
2033 2006-05-16 Richard Guenther <rguenther@suse.de>
2035 PR tree-optimization/22303
2036 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2037 from STRING_CSTs.
2038 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2039 ccp_fold did not simplify the statement.
2041 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2043 PR driver/26885
2044 * Makefile.in (GCC_OBJS): New.
2045 (OBJS-common): Add opts-common.o.
2046 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2047 (cpp$(exeext)): Likewise.
2048 (gcc.o): Also depend on opts.h.
2049 (opts-common.o): New.
2051 * common.opt (gcoff): Add Negative(gdwarf-2).
2052 (gdwarf-2): Add Negative(gstabs).
2053 (gstabs): Add Negative(gstabs+).
2054 (gstabs+): Add Negative(gvms).
2055 (gvms): Add Negative(gxcoff).
2056 (gxcoff): Add Negative(gxcoff+).
2057 (gxcoff+): Add Negative(gcoff).
2058 * config/i386/i386.opt (m32): Add Negative(m64).
2059 (m64): Add Negative(m32).
2061 * doc/options.texi: Document the Negative option.
2063 * gcc.c: Include "opts.h".
2064 (main): Call prune_options after expandargv.
2066 * optc-gen.awk: Generate common declarations for all flag
2067 variables in options.c. Output the neg_index field.
2069 * opts.c (find_opt): Moved to ...
2070 * opts-common.c: Here. New file.
2072 * opts.h (cl_option): Add a neg_index field.
2073 (find_opt): New.
2074 (prune_options): Likewise.
2076 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2078 PR middle-end/27573
2079 * omp-low.c (expand_omp_parallel): Don't assert
2080 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2081 instead search for it.
2083 PR c/27499
2084 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2085 is signed.
2087 2006-05-16 Andreas Schwab <schwab@suse.de>
2089 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2090 defmac.
2092 2006-05-15 Roger Sayle <roger@eyesopen.com>
2094 PR target/26600
2095 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2096 integer constants other than zero are only legitimate on TARGET_64BIT.
2097 <CONST_VECTOR> Only zero vectors are legitimate.
2098 (ix86_cannot_force_const_mem): Integral and vector constants can
2099 always be put in the constant pool.
2101 2006-05-16 DJ Delorie <dj@redhat.com>
2103 * crtstuff.c (__dso_handle): Set section from
2104 TARGET_LBIGCC_SDATA_SECTION if defined.
2105 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2106 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2108 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2110 PR target/27599
2111 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2112 host_xmake_file.
2114 2006-05-16 Ben Elliston <bje@au.ibm.com>
2116 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2118 2006-05-15 Per Bothner <per@bothner.com>
2120 * tree.c: (last_annotated_node): Use source_locus typedef.
2121 This permits bootstrapping with --enable-mapped-location.
2123 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2125 PR tree-optimization/26830
2126 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2127 (info_for_ssa_name, current_info_for_ssa_name_age,
2128 blocks_to_update): New variables.
2129 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2130 (clear_ssa_name_info, initialize_flags_in_bb,
2131 mark_block_for_update): New functions.
2132 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2133 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2134 prepare_def_site_for): Use mark_block_for_update.
2135 (mark_def_interesting): Assert that the processed block is marked in
2136 blocks_to_update. Do not take blocks argument.
2137 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2138 argument.
2139 (rewrite_update_init_block, rewrite_update_stmt): Only process
2140 blocks with statements to rewrite.
2141 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2142 (update_ssa): Initialize and free blocks_to_update. Do not
2143 clear flags on statements. Do not use blocks bitmap.
2144 * tree.h (SSA_NAME_AUX): Removed.
2145 (struct tree_ssa_name): Removed aux field.
2146 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2148 2006-05-15 Richard Guenther <rguenther@suse.de>
2150 PR tree-optimization/27603
2151 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2152 Do computations in original type.
2154 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2156 * see.c: Code style changes such as redundant paranthesis,
2157 redundant intialization of local variables etc.
2158 (see_main): Declared now as static.
2159 * doc/invoke.texi: Update that -fsee is not enabled by
2160 default at -O3.
2162 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2164 * omp-low.c (check_omp_nesting_restrictions): New function.
2165 (scan_omp_1): Call it.
2167 PR middle-end/27416
2168 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2169 construct, return *VAR.
2171 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2173 PR rtl-optimization/27406
2174 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2175 edges.
2177 2006-05-14 Roger Sayle <roger@eyesopen.com>
2179 PR rtl-optimization/27538
2180 * combine.c (expand_compound_operation): Call gen_lowpart
2181 before calling simplify_shift_const.
2183 2006-05-14 Roger Sayle <roger@eyesopen.com>
2185 PR rtl-optimization/22563
2186 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2187 a fixed width bitfield, always force the intermediates into psuedos.
2189 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2191 PR 27501
2192 * mkconfig.sh: Use operator = instead of == for test.
2194 2006-05-13 Nick Clifton <nickc@redhat.com>
2196 * dwarf2out.c (dbx_reg_number): Check return value from
2197 LEAF_REG_REMAP and only use it if it is valid.
2198 (multiple_reg_loc_descriptor): Likewise.
2200 2006-05-13 Richard Guenther <rguenther@suse.de>
2202 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2203 host_xmake_file.
2205 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2207 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2208 information attached to non-INSNs such as NOTEs.
2209 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2211 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2213 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2214 On contraint.
2215 * config/s390/s390.md: Adjust comment describing On constraint.
2217 2006-05-11 Jan Hubicka <jh@suse.cz>
2219 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2220 to be output at -O0.
2222 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2224 PR middle-end/27384
2225 * fold-const.c (size_binop): Move sanity check for arguments to
2226 the beginning of the function.
2228 PR middle-end/27488
2229 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2230 expression.
2232 2006-05-11 Richard Guenther <rguenther@suse.de>
2234 PR middle-end/27529
2235 * fold-const.c (fold_unary): Handle intermediate conversion
2236 to a pointer type like intermediate conversion to an integer
2237 type in folding of (T1)(T2)var to var.
2238 Match the code to the comment in the final conversion for
2239 (T1)(T2)var to (T1)var regarding to type precision. Rather
2240 than disallow T1 being of pointer type, assert that both T1
2241 and var are of pointer type or not. Make sure not to fall
2242 over the frontends lazyness wrt array to pointer decay though.
2244 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2246 * arm.c (arm_struct_value_rtx): Delete.
2247 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2248 (arm_init_cumulative_args): Always initialize nregs to zero.
2250 2006-05-10 Richard Guenther <rguenther@suse.de>
2252 PR tree-optimization/27532
2253 * tree-object-size.c (plus_expr_object_size): Fix typo.
2255 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2257 PR target/24949
2258 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2259 ashrdi_const, ashrdi3): Use a scratch register.
2261 2006-05-10 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/27302
2264 * fold-const.c (operand_equal_p): For two comparisons,
2265 try comparison of one comparison code swapped if that yields
2266 the same code.
2268 2006-05-10 Ben Elliston <bje@au.ibm.com>
2270 * tree-pretty-print.c (pretty_print_string): No need to handle
2271 '\0' as a special character.
2273 * tree.h: Include "hashtab.h".
2274 (iterative_hash_expr): Use hashval_t in its prototype.
2275 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2277 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2279 PR bootstrap/26872
2280 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2281 (hppa*64*-*-hpux11*): Ditto.
2282 (hppa[12]*-*-hpux11*): Ditto.
2284 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2286 PR target/26545
2287 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2289 2006-05-09 Michael Matz <matz@suse.de>
2291 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2292 host_extra_gcc_objs and host_xmake_file.
2293 (<*-*-linux*>): Don't overwrite host_xmake_file.
2294 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2295 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2296 (host_detect_local_cpu): Declare.
2297 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2298 * config/i386/i386.c (override_options): Handle -mtune=native
2299 as -mtune=generic.
2300 * config/i386/x-i386: New file.
2301 * config/i386/driver-i386.c: New file.
2302 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2303 cpu-type "native".
2305 2006-05-09 Dirk Mueller <dmueller@suse.de>
2306 Richard Guenther <rguenther@suse.de>
2308 PR middle-end/27498
2309 * fold-const.c (fold_read_from_constant_string): Relax check
2310 for matching types to matching modes.
2312 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2314 PR rtl-optimization/27335
2315 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2316 loops.
2318 2006-05-08 Chao-ying Fu <fu@mips.com>
2319 Richard Sandiford <richard@codesourcery.com>
2321 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2322 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2323 * config/mips/mips.md (UNSPEC_SCC): New constant.
2324 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2325 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2326 (mips_emit_compare): Use it.
2327 (mips_expand_vcondv2sf): New function.
2329 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2331 Fix PR tree-optimization/27093
2332 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2333 renaming when they become not-used_alone.
2335 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2337 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2338 relocation and relocation stubs.
2340 2006-05-08 Eric Christopher <echristo@apple.com>
2342 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2343 section for ppc.
2345 2006-05-08 Jan Hubicka <jh@suse.cz>
2347 PR middle-end/24561
2348 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2349 unused static functions are needed.
2351 2006-05-08 Roger Sayle <roger@eyesopen.com>
2353 PR target/27158
2354 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2355 of a reg_equiv_constant if the result is a legitimate constant.
2357 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2359 PR target/27277
2360 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2361 standard 80387 constants, raise the cost to prevent
2362 compress_float_constant() to generate load from memory.
2364 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2366 * config/arm/constraints.md (c): Fix a typo.
2368 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2369 typos.
2371 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2373 PR target/24879
2374 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2375 inline function.
2376 (_mm_mwait): Likewise.
2378 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2379 "mwait".
2380 (sse3_monitor): Make it 32bit only.
2381 (sse3_monitor64): New. 64bit monitor.
2383 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2385 PR target/27421
2386 * config/i386/i386.c (classify_argument): Skip fields with invalid
2387 types.
2389 2006-05-07 Richard Guenther <rguenther@suse.de>
2391 PR tree-optimization/27409
2392 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2393 Do not try to find zero-sized subvars.
2395 2006-05-07 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/27136
2398 * tree-ssa-loop-niter.c (get_val_for): Correct function
2399 comment, assert requirements.
2400 (loop_niter_by_eval): Stop processing if the iterated
2401 value did not simplify.
2403 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2405 * opts.c (flag_see): remove its setting at -O3.
2407 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2409 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2410 * arm/constraints.md: New file.
2411 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2412 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2413 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2414 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2415 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2416 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2417 * arm.md: Include constraints.md.
2418 (thumb_movsi_insn): Use satisfies_constraint_J.
2419 (movhi, movqi): Use satisfies_constraint_I.
2421 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2423 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2424 for atmeg a645 device.
2426 2006-05-06 Richard Guenther <rguenther@suse.de>
2428 PR tree-optimization/27151
2429 * tree-vect-transform.c (vectorizable_condition): Punt on
2430 values that have a different type than the condition.
2432 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2434 PR/21391
2435 * c-parser.c (c_parser_cast_expression): Only insert casts into
2436 hash table if pointer.
2437 * function.c (used_types_insert_helper): Rename from
2438 used_types_insert.
2439 (used_types_insert): Call used_types_insert_helper.
2440 * function.h (used_types_insert): Accept only one argument.
2442 2006-05-05 David Edelsohn <edesohn@gnu.org>
2444 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2445 scratch with output modifier.
2447 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2449 PR target/26481
2450 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2451 with output modifier.
2453 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2455 PR target/26765
2456 * config/mips/mips.c (mips_symbolic_address_p): Return true
2457 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2458 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2460 2006-05-04 Richard Guenther <rguenther@suse.de>
2462 PR tree-optimization/14287
2463 PR tree-optimization/14844
2464 PR tree-optimization/19792
2465 PR tree-optimization/21608
2466 PR tree-optimization/27090
2467 * tree-ssa-pre.c (try_combine_conversion): New function.
2468 (compute_avail): After constructing the value-handle
2469 expression, use try_combine_conversion to combine NOP_EXPRs
2470 with previous value-handle expressions and use the result if it
2471 is available.
2473 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2475 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2477 2006-05-04 Jan Hubicka <jh@suse.cz>
2479 PR middle-end/25962
2480 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2482 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2484 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2485 that this only matches CONST_INTs. All users changed to VOIDmode
2486 operands.
2488 * config/bfin/bfin.c: Include "optabs.h".
2489 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2490 to do more work.
2491 (enum bfin_builtins): Add a number of fractional and vector builtins.
2492 (bfin_init_builtins): Likewise.
2493 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2494 (safe_vector_operand, bfin_expand_binop_builtin,
2495 bfin_expand_unop_builtin): New functions.
2496 (bfin_expand_builtin): Handle the new builtins.
2497 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2498 __ADSPBLACKFIN__.
2500 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2502 * see.c: New file.
2503 * Makefile.in (OBJS-common): Add see.o.
2504 (see.o): Add dependencies.
2505 * common.opt (fsee): New flag for the see optimization was added.
2506 * opts.c (flag_see): Initialized.
2507 * passes.c (init_optimization_passes, pass_see): New pass.
2508 * rtl.h (see_main): Declaration as extern.
2509 * timevar.def (TV_SEE): New.
2510 * tree-pass.h (pass_see): Declaration as extern.
2511 * invoke.texi (-fsee): Document.
2512 * recog.c (validate_simplify_insn): New function.
2513 * recog.h (validate_simplify_insn): Declaration as extern.
2514 * df-problems.c (df_chain_dump): Check for NULL.
2516 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2517 Daniel Berlin <dberlin@dberlin.org>
2519 * cfgrtl.c (insert_insn_bb_end_new): New function.
2520 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2522 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2524 * df.h (struct web_entry): Moved from web.c.
2525 (union_defs): Declaration as extern.
2526 (unionfind_root): Likewise.
2527 (unionfind_union): Likewise.
2528 * web.c (struct web_entry): Moved to df.h.
2529 (unionfind_root): Remove static declaration.
2530 (unionfind_union): Likewise.
2531 (union_defs): Likewise and generalize to use callback function.
2532 (web_main): Update arguments for union_defs function call.
2534 2006-05-04 Richard Guenther <rguenther@suse.de>
2536 PR tree-optimization/26447
2537 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2538 produce SSA_NAME copies before the store stmt to avoid
2539 breaking exception handling.
2541 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2543 PR middle-end/27388
2544 * gimplify.c (omp_is_private): If var is shared in some outer context,
2545 return false instead of true. Stop searching on parallel context
2546 boundary.
2548 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2550 PR java/8260
2551 * coverage.c: Use get_gcov_unsigned_t() instead of
2552 unsigned_type_node all over.
2554 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2556 PR tree-optimization/27381
2557 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2558 maintain the same immediate_use links.
2559 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2560 node rather than segfaulting.
2562 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2564 PR fortran/27395
2565 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2566 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2567 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2569 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2571 Fix PR tree-optimization/26626
2572 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2573 always.
2574 * tree-ssa-operands.c (access_can_touch_variable): Allow
2575 typecasting through union pointers.
2577 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2579 PR c++/26943
2580 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2581 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2582 to find if var will be a global variable even in the nested context.
2583 (omp_copy_decl): Only check for global variable at the end, it might
2584 be overridden in outer contexts.
2585 (scan_sharing_clauses): For global variables don't create a field.
2586 (lower_rec_input_clauses): Do nothing for global shared variables.
2587 Emit a barrier at the end of ILIST if there were any decls in both
2588 firstprivate and lastprivate clauses.
2589 (lower_send_clauses): Do nothing for global variables except for
2590 COPYIN.
2592 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2594 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2595 of the correct signedness is returned.
2597 2006-05-02 Jeff Law <law@redhat.com>
2599 PR tree-optimization/27364
2600 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2601 multiply expressions.
2603 2006-05-02 Tom Tromey <tromey@redhat.com>
2605 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2607 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2609 PR target/27387
2610 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2611 -mthumb -fPIC are used.
2613 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2614 Joshua Kinard <kumba@gentoo.org>
2616 PR target/25871
2617 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2618 with 64-bit pointers.
2620 2006-05-02 Paul Brook <paul@codesourcery.com>
2622 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2623 and pool overlap.
2624 (create_fix_barrier): Check that a suitable barrier location is
2625 found.
2626 (arm_reorg): Include ftmp->address in allowable range of addresses.
2628 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2630 PR ada/27366
2631 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2632 on Cygwin.
2634 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2636 PR middle-end/27337
2637 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2638 around RESULT_DECL for result passed by reference.
2639 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2640 * omp-low.c (use_pointer_for_field): Don't look at
2641 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2642 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2643 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2644 time or var for passing by reference for
2645 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2646 TREE_ADDRESSABLE variables when passing by reference.
2648 * omp-low.c (dump_omp_region): Fix output formatting.
2650 PR middle-end/27328
2651 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2652 (expand_omp_parallel): Likewise.
2653 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2655 PR middle-end/27325
2656 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2657 on statement list containing also constructors and destructors.
2658 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2660 PR middle-end/27310
2661 * except.c (duplicate_eh_regions): Fix clearing of
2662 cfun->eh->region_array entries.
2664 2006-05-01 DJ Delorie <dj@redhat.com>
2666 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2667 build!=host.
2668 (gcc_cv_objdump): Likewise.
2669 * configure: Regenerated.
2671 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2673 PR target/27374
2674 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2675 templates for case 3 and 4.
2677 2006-05-01 DJ Delorie <dj@redhat.com>
2679 * vec.c: Include bconfig.h when appropriate.
2680 * Makefile.in (build/vec.o): Adjust dependencies.
2681 * mkconfig.sh: Make sure config.h isn't used for build machine
2682 compiles.
2684 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2686 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2687 variables.
2688 (mark_phi_for_rewrite): New function.
2689 (insert_phi_nodes_for, mark_use_interesting): Call
2690 mark_phi_for_rewrite.
2691 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2692 (update_ssa): Initialize and free phis_to_rewrite.
2694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2696 PR rtl-optimization/27291
2697 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2698 folded to a constant.
2700 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2702 PR tree-optimization/27283
2703 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2704 not whole # of iteration descriptions.
2705 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2706 uses abnormal ssa name.
2707 (niter_for_single_dom_exit): Ditto.
2708 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2709 return just the number of iterations.
2711 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2713 PR tree-optimization/27144
2714 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2715 (record_estimate): Only record constant upper bound.
2716 (infer_loop_bounds_from_undefined): Call
2717 compute_estimated_nb_iterations just once.
2718 (proved_non_wrapping_p): Renamed to ...
2719 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2720 (convert_step_widening, scev_probably_wraps_p): Call
2721 n_of_executions_at_most instead of proved_non_wrapping_p.
2722 (substitute_in_loop_info): Do not replace values in bounds.
2723 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2724 comments.
2726 2006-05-01 Richard Henderson <rth@redhat.com>
2728 PR c/27358
2729 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2730 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2731 CPP_PRAGMA.
2733 2006-05-01 Roger Sayle <roger@eyesopen.com>
2735 * c-typeck.c (parser_build_binary_op): Don't call the function
2736 unsigned_conversion_warning to spot operand/result type overflow.
2737 (build_binary_op): Instead, call convert_and_check instead of
2738 convert to report the problem when the operands are promoted.
2739 * c-common.c (unsigned_conversion_warning): Make static.
2740 * c-common.h (unsigned_conversion_warning): Delete prototype.
2742 2006-05-01 Richard Guenther <rguenther@suse.de>
2744 PR tree-optimization/26726
2745 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2746 problem ...
2747 (find_interesting_uses_address): ... we work around here
2748 by folding INDIRECT_REFs in the substituted base.
2750 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2752 * omp-low.c (dump_omp_region): Add newlines.
2754 2006-04-30 Roger Sayle <roger@eyesopen.com>
2756 * common.opt (Woverflow): New command line option.
2757 * c-common.c (constant_expression_warning): Check warn_overflow.
2758 (overflow_waring): Pass OPT_Woverflow to warning.
2759 (unsigned_conversion_warning): Likewise.
2760 (convert_and_check): Likewise.
2761 * doc/invoke.texi: Document new command line option.
2763 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2765 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2766 TARGET_NO_FP_IN_TOC for section anchors.
2767 (optimization_options): Enable section anchors for all
2768 non-"Objective" languages.
2770 2006-04-28 Eric Christopher <echristo@apple.com>
2772 * config/darwin-c.c (darwin_ms_struct): Move this
2773 (darwin_set_default_type_attributes): and this...
2774 * config/darwin.c: ... here.
2775 * config/darwin.h (darwin_ms_struct): Declare.
2777 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2779 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2781 2006-04-28 Roger Sayle <roger@eyesopen.com>
2783 PR c/25309
2784 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2785 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2786 an unsigned HOST_WIDE_INT.
2787 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2788 array index.
2789 (really_start_incremental_init): No need to call convert because
2790 bitsize_zero_node is already of type bitsizetype.
2791 (push_init_level): Extract the value of constructor_index as an
2792 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2793 (process_init_element): Likewise.
2795 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2797 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2798 value before passing to make_relative_prefix.
2800 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2802 PR middle-end/27260
2803 * builtins.c (expand_builtin_memset): Expand val in original mode.
2805 2006-04-27 Eric Christopher <echristo@apple.com>
2807 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2808 with #ifndef/#endif.
2809 * config/darwin-c.c (darwin_ms_struct): New.
2810 (darwin_pragma_ms_struct): Ditto.
2811 (darwin_set_default_type_attributes): Ditto.
2812 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2813 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2814 Register ms_struct pragma.
2815 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2816 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2817 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2818 darwin_set_default_type_attributes if TARGET_MACHO.
2820 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2822 PR tree-optimization/26854
2823 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2824 * doc/tree-ssa.texi: Update immuse iterator documentation.
2825 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2827 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2828 first_safe_imm_use, next_safe_imm_use): Remove.
2829 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2830 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2831 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2832 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2833 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2834 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2835 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2836 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2837 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2838 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2839 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2840 (perfect_nestify): Use new iterator.
2841 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2842 iterator.
2843 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2844 (next_imm_name): New field in struct immediate_use_iterator_d.
2845 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2846 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2847 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2848 * tree-cfg.c (replace_uses_by): Use new iterator.
2849 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2850 * tree-ssa-operands.c (correct_use_link): Remove.
2851 (finalize_ssa_use_ops): No longer call correct_use_link.
2853 2006-04-27 Stuart Hastings <stuart@apple.com>
2855 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2856 * config/t-darwin (crt3.o): Use it.
2857 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2858 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2859 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2860 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2861 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2862 support.
2864 2006-04-27 Roger Sayle <roger@eyesopen.com>
2866 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2867 size, force the intermediate into a new pseudo rather instead of
2868 performing both a bitwise AND and a bitwise IOR in memory.
2870 2006-04-27 Richard Guenther <rguenther@suse.de>
2872 PR rtl-optimization/26685
2873 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2874 this one "max-flow-memory-locations".
2876 2006-04-27 Richard Guenther <rguenther@suse.de>
2878 PR tree-optimization/25148
2879 * tree-vrp.c (compare_values): Remove code dealing with
2880 comparisons against type min/max value. Honour overflow
2881 and negative constants in code dealing with comparisons
2882 of plus and minus expressions.
2883 (value_inside_range): Use fold_binary with LE_EXPR and
2884 GE_EXPR rather than compare_values.
2886 2006-04-27 Dirk Mueller <dmueller@suse.de>
2888 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2889 prototype for SSE.
2891 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2893 * basic-block.h (safe_insert_insn_on_edge): Removed.
2894 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2896 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2897 Paolo Bonzini <bonzini@gnu.org>
2899 PR middle-end/27282
2900 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2901 (simplify_and_const_int): Same.
2903 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2905 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2907 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2909 PR c/26171
2910 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2911 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2912 cgraph_global_info_ready.
2914 PR middle-end/26913
2915 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2917 PR c/25996
2918 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2919 either decl or init is error_mark_node.
2921 PR middle-end/25989
2922 * tree-flow.h (struct omp_region): Add sched_kind.
2923 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2924 instead of extracting omp for data.
2925 (expand_omp_for): Save extracted sched_kind.
2927 2006-04-25 Roger Sayle <roger@eyesopen.com>
2929 * expmed.c (store_bit_field): Also check whether the bitsize is
2930 valid for the machine's "insv" instruction before moving the
2931 target into a pseudo for use with the insv.
2932 * config/i386/predicates.md (const8_operand): New predicate.
2933 * config/i386/i386.md (extv, extzv, insv): Use the new
2934 const8_operand predicate where appropriate.
2936 2006-04-25 DJ Delorie <dj@redhat.com>
2938 * doc/install.texi (Specific): Clarify that this is not a list of
2939 supported hosts or targets.
2941 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2943 PR rtl-optimization/26725
2944 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2945 block's BB_DIRTY flag.
2947 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2949 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2950 are no branches.
2952 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2953 to print an integer.
2955 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2957 * varasm.c (align_variable): New function.
2958 (get_block_for_decl): Apply align_variable to DECL before
2959 calculating section information.
2960 (assemble_variable): Split out alignment computation.
2962 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2964 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2965 machines.
2967 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2969 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2970 MODE_PARTIAL_INT mode.
2971 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2972 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2973 for CONST_INTs.
2974 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2975 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2976 V2PDImode.
2977 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2978 New predicates.
2979 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2980 New constants.
2981 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2982 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2983 MACFLAG_IH): Likewise.
2984 (movstricthi_1): Renamed from "*movstricthi".
2985 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2986 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2987 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2988 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2989 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2990 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2991 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2992 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2993 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2994 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2995 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2996 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2997 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2998 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2999 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3001 * doc/rtl.texi (ss_ashift): Improve wording.
3003 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3005 * dwarf2out.c (verify_marks_clear): New.
3006 (prune_unused_types): Call verify_marks_clear initially, not
3007 prune_unmark_dies.
3009 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3011 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3012 * doc/rtl.texi: Document them.
3013 * simplify-rtx.c (simplify_unary_operation,
3014 simplify_binary_operation_1): Don't abort when we see them.
3016 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3018 Revert:
3019 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3020 * configure.ac: Completely disregard languages that are not
3021 enabled.
3022 * configure: Regenerated.
3024 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3025 Richard Guenther <rguenther@suse.de>
3027 PR tree-optimization/27236
3028 * tree-inline.c (copy_body_r): Make sure to copy
3029 TREE_THIS_VOLATILE flag.
3031 2006-04-24 Richard Guenther <rguenther@suse.de>
3033 PR middle-end/26869
3034 * tree-complex.c (update_parameter_components): Don't handle
3035 unused parameters which have no default def.
3037 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3038 Richard Guenther <rguenther@suse.de>
3040 PR tree-optimization/27218
3041 * tree-inline.c (expand_call_inline): Strip useless type
3042 conversions for the return slot address.
3044 2006-04-24 Richard Guenther <rguenther@suse.de>
3046 * cfgloop.h (struct loops): Remove unused field array. Reorder
3047 state after num.
3048 (LOOP_PREFETCH): Remove.
3050 2006-04-24 Richard Guenther <rguenther@suse.de>
3052 PR tree-optimization/22525
3053 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3054 variable, adjust types of generated expressions.
3056 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3058 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3059 (tree-vect-patterns.o): Likewise.
3060 (jump.o): Likewise.
3061 (cselib.o): Likewise.
3062 (loop-doloop.o): Likewise.
3063 (regclass.o): Likewise.
3064 (reload1.o): Likewise.
3065 (explow.o): Replace target.h with $(TARGET_H).
3066 (ipa-prop.o): Likewise.
3067 (ipa-cp.o): Likewise.
3068 (ipa-inline.o): Likewise.
3069 (reorg.o): Likewise.
3070 (reg-stack.o): Likewise.
3072 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3074 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3076 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3078 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3080 * configure.ac: Completely disregard languages that are not
3081 enabled.
3082 * configure: Regenerated.
3084 PR c++/26534
3085 * c-common.h (c_build_bitfield_integer_type): Declare.
3086 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3087 * c-common.c (c_build_bitfield_integer_type): ... here.
3089 2006-04-23 Roger Sayle <roger@eyesopen.com>
3091 PR target/21283
3092 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3093 a SImode SUBREG of a floating point register after no_new_pseudos.
3095 2006-04-23 Roger Sayle <roger@eyesopen.com>
3097 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3098 identify potentially eliminable registers to additionally catch
3099 VIRTUAL_INCOMING_ARGS_REGNUM.
3100 (addsi3): Update the conditions on when to use addsi_small_int.
3102 2006-04-23 Roger Sayle <roger@eyesopen.com>
3104 PR target/16641
3105 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3106 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3107 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3109 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3111 * fold-const.c (range_predecessor): Use operand_equal_p
3112 as the predicate for equality.
3113 (range_successor): Likewise.
3115 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3117 Revert:
3118 * config/soft-fp/op-common.h: Fix a typo.
3120 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3122 PR libmudflap/26864
3123 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3124 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3126 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3128 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3129 Fix comment typos.
3130 * doc/tm.texi: Fix a typo.
3132 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3134 * dwarf2out.c (struct die_struct): Document that die_sib makes
3135 a circular linked list.
3136 (FOR_EACH_CHILD): New.
3137 (reverse_die_lists): Delete.
3138 (reverse_all_dies): Delete.
3139 (add_dwarf_attr): Correct documentation.
3140 (remove_child_with_prev): New.
3141 (remove_child_TAG): Update for change to die_struct, use
3142 remove_child_with_prev.
3143 (add_child_die): Update for change to die_struct.
3144 (splice_child_die): Use remove_child_with_prev and add_child_die.
3145 (print_die): Use FOR_EACH_CHILD.
3146 (die_checksum): Likewise.
3147 (assign_symbol_names): Likewise.
3148 (output_location_lists): Likewise.
3149 (build_abbrev_table): Likewise.
3150 (calc_die_sizes): Likewise.
3151 (mark_dies): Likewise.
3152 (unmark_dies): Likewise.
3153 (unmark_all_dies): Likewise.
3154 (output_die): Likewise.
3155 (prune_unused_types_mark): Likewise.
3156 (prune_unused_types_walk): Likewise.
3157 (same_die_p): Update for change to die_struct.
3158 (break_out_includes): Likewise.
3159 (prune_unused_types_prune): Likewise.
3160 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3161 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3162 it's already clear.
3163 (dwarf2out_finish): Don't call reverse_all_dies.
3165 2006-04-21 Eric Christopher <echristo@apple.com>
3167 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3168 in comments and function names.
3170 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3172 PR c/25875
3173 * c-typeck.c (digest_init): Robustify.
3175 * c-typeck.c (pop_init_level): Simplify.
3177 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3179 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3181 2006-04-21 Paul Brook <paul@codesourcery.com>
3183 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3184 hardware floating point.
3186 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3188 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3189 NON_FLOAT_REGS.
3191 2006-04-21 Nick Clifton <nickc@redhat.com>
3193 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3194 OPT_EXTRA_PARTS.
3196 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3198 PR target/27230
3199 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3200 C++ lang type in traceback table for Objective-C++.
3202 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3204 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3206 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3208 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3210 PR mudflap/26789
3211 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3212 were errors. Remove check for erroneous objects.
3214 2006-04-20 Jeff Law <law@redhat.com>
3216 PR tree-optimization/26854
3217 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3218 checking for zero or one use.
3219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3220 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3221 * tree-ssa-reassoc.c (negate_value): Similarly.
3222 (reassociate_bb): Similarly.
3224 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3226 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3227 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3228 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3230 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3232 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3233 fp regs if the last fp arg doesn't fit in regs.
3235 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3237 PR target/27182
3238 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3239 that the last insn has the REG_INC note.
3241 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3242 Nathan Sidwell <nathan@codesourcery.com>
3244 PR c/26774
3245 * stor-layout.c (update_alignment_for_field): Do not align
3246 ERROR_MARK nodes.
3247 (place_union_field): Place union field at the start of the union.
3248 (place_field): Move ERROR_MARK check later, and use the current
3249 allocation position to maintain monotonicity.
3251 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3253 * dominance.c: Include timevar.h.
3254 (calculate_dominance_info): Use TV_DOMINANCE.
3255 * timevar.def (TV_DOMINANCE): New timevar.
3256 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3258 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3260 PR rtl-optimization/14261
3261 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3262 move would be an INSV insn.
3263 (noce_process_if_block): Don't optimize if the destination is a
3264 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3266 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3268 * config/s390/s390.md: Add comments with the instructions emitted
3269 by an insn pattern if macros are used.
3271 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3273 PR rtl-optimization/26026
3274 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3275 is a known power of two shifted left a variable amount.
3277 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3279 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3280 to hash table twice when the debug_str section has SECTION_MERGE.
3282 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3284 * config/soft-fp: New directory. From glibc.
3285 * config/soft-fp/t-softfp: New.
3286 * config/soft-fp/README: New.
3287 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3288 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3289 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3290 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3291 * config.gcc: Use rs6000/t-fprules-fpbit or
3292 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3293 rs6000/t-fprules.
3294 * config/rs6000/sfp-machine.h: New. Based on glibc.
3295 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3296 New.
3297 * config/rs6000/t-fprules: Remove fp-bit rules.
3298 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3299 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3300 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3301 (softfp_wrap_start, softfp_wrap_end): New.
3303 2006-04-18 DJ Delorie <dj@redhat.com>
3305 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3307 2006-04-18 Devang Patel <dpatel@apple.com>
3309 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3311 2006-04-18 Nick Clifton <nickc@redhat.com>
3313 * config/sh/t-symbian: Add rule to build sh-c.o
3314 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3315 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3316 (sh_symbian_encode_section_info): Likewise.
3318 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3320 * builtins.c (expand_builtin_strcmp): Cover label definition of
3321 do_libcall with HAVE_cmpstrnsi.
3323 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3325 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3326 instead of VARRAY.
3327 * function.h (temp_slot_p): New.
3328 (function): Change the type of x_used_temp_slots to
3329 VEC(temp_slot_p,gc) *.
3331 2006-04-18 Nick Clifton <nickc@redhat.com>
3333 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3334 flag_strength_reduce.
3336 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3338 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3340 PR target/27117
3342 Partial revert of revision 112637
3343 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3344 Dale Johannesen <dalej@apple.com>
3346 PR target/19653
3347 * regclass.c (struct reg_pref): Update documentation.
3348 (regclass): Set prefclass to NO_REGS if memory is the best option.
3349 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3351 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3353 PR tree-optimization/26821
3354 * tree-ssa-math-opts.c (get_constant_one): New.
3355 (insert_reciprocals): Use it.
3357 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3359 * dwarf2out.c (free_AT): Delete.
3360 (remove_AT): Update string ref counts.
3361 (remove_child_TAG): Don't call free_die.
3362 (free_die): Delete.
3363 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3364 or DW_TAG_GNU_EINCL.
3365 (prune_unused_types_walk_attribs): Reset string refcounts.
3366 (prune_unused_types_update_strings): New.
3367 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3368 call free_die. Do call prune_unused_types_update_strings.
3369 (prune_unused_types): Empty debug_str_hash.
3371 2006-04-17 Roger Sayle <roger@eyesopen.com>
3373 * expr.c (expand_assignment): Optimize away no-op moves where the
3374 source and destination are equal and have no side-effects.
3376 2006-04-17 Richard Guenther <rguenther@suse.de>
3378 PR target/26826
3379 * reload.c (push_reload): Guard calls to get_secondary_mem
3380 for memory subregs.
3382 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3384 * alias.c (reg_base_value, old_reg_base_value): Change the
3385 type to VEC(rtx,gc) *.
3386 (REG_BASE_VALUE, find_base_value, record_set,
3387 init_alias_analysis): Use VEC instead of VARRAY.
3389 * alias.c (alias_sets): Change the type to
3390 VEC(alias_set_entry,gc) *.
3391 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3392 VEC instead of VARRAY.
3393 (last_alias_set): Remove.
3395 * cgraph.h (cgraph_edge_p): New.
3396 Update the prototype of cgraph_function_versioning.
3397 * cgraphunit.c (cgraph_copy_node_for_versioning,
3398 cgraph_function_versioning): Use VEC instead of VARRAY.
3399 * ipa-cp.c (ipcp_insert_stage): Likewise.
3401 2006-04-16 Roger Sayle <roger@eyesopen.com>
3403 PR target/26961
3404 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3405 "A op B" or "A op C", we may need to convert A to the type of B and C.
3407 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3409 * target.h (struct gcc_target): Add mode_rep_extended.
3410 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3411 (init_num_sign_bit_copies_in_rep): Initialize it using
3412 mode_rep_extended.
3413 (truncate_to_mode): Use it.
3414 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3415 * targhooks.h (default_mode_rep_extended): Declare it.
3416 * targhooks.c (default_mode_rep_extended): Define it.
3417 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3418 default_mode_rep_extended.
3419 (TARGET_INITIALIZER): Include it.
3420 * doc/tm.texi (Misc): Document it.
3421 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3422 (mips_truncated_to_mode): New function.
3424 2006-04-16 Roger Sayle <roger@eyesopen.com>
3426 PR middle-end/25474
3427 * expr.c (compress_float_constant): Copy the narrow constant into
3428 a new pseudo before extending it to its final width.
3430 2006-04-16 Roger Sayle <roger@eyesopen.com>
3431 Andrew Pinski <pinskia@gcc.gnu.org>
3432 Dale Johannesen <dalej@apple.com>
3434 PR target/24076
3435 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3436 special case code to implement V8HImode and V16QImode with SSE2.
3438 2006-04-15 Roger Sayle <roger@eyesopen.com>
3440 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3441 trees are constructed with a suitable tree type.
3443 2006-04-15 Roger Sayle <roger@eyesopen.com>
3445 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3446 (integer_onep): Likewise.
3447 (integer_all_onesp): Likewise.
3448 (integer_pow2p): Likewise.
3449 (integer_nonzerop): Likewise.
3450 (real_zerop): Likewise.
3451 (real_onep): Likewise.
3452 (real_twop): Likewise.
3453 (real_minus_onep): Likewise.
3454 (int_size_in_bytes): Likewise.
3455 (host_integerp): Likewise.
3457 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3459 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3460 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3461 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3463 * tree-ssa-structalias.h (alias_info): Remove num_references.
3465 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3467 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3468 (output_bvb patterns): Likewise.
3469 * pa.c (output_bb): Use 'bb' insn for long branch case.
3470 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3471 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3472 1. Correct length operand for alternatives 1 and 2.
3473 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3474 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3476 2006-04-14 Roger Sayle <roger@eyesopen.com>
3478 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3479 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3480 were accidentally reverted by r112959.
3482 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3484 PR middle-end/26823
3485 * except.h (eh_region_outermost): New prototype.
3486 * except.c (eh_region_outermost): New function.
3487 * tree-cfg.c (find_outermost_region_in_block): Use it.
3489 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3491 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3492 of VARRAY.
3493 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3494 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3495 (init_reload, reload): Use VEC instead of VARRAY.
3496 * reload.h: Update the prototype for
3497 reg_equiv_memory_loc_varray.
3499 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3500 Eric Botcazou <ebotcazou@libertysurf.fr>
3502 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3503 register save area.
3505 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3507 PR middle-end/27134
3508 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3509 to expand fallback builtin function call.
3511 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3513 PR middle-end/27095
3514 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3515 and emit libcall here in case the builtin fails.
3516 (expand_builtin_strcmp): Always emit the libcall here on failure.
3518 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3520 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3521 * flow.c (reg_n_info): Change the type to
3522 VEC(reg_info_p,heap) *.
3523 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3524 instead of VARRAY.
3525 * regs.h (reg_info_p): New.
3526 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3527 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3528 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3529 instead of VARRAY.
3531 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3533 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3534 defaulting to 100.
3535 * params.h (MAX_SCHED_READY_INSNS): New macro.
3536 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3537 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3538 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3539 the ready list for 1 cycle during the first scheduling pass.
3540 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3542 2006-04-13 Richard Henderson <rth@redhat.com>
3544 PR libgomp/26651
3545 * gimple-low.c (lower_omp_directive): Remove dead code.
3546 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3547 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3548 * omp-low.c (struct omp_region): Move to tree-flow.h.
3549 (root_omp_region): Export.
3550 (omp_regions, lookup_omp_region): Remove.
3551 (determine_parallel_type): Update for struct omp_region changes.
3552 (dump_omp_region): Dump regions with block numbers.
3553 (new_omp_region): Take type and block instead of stmt; malloc
3554 instead of ggc.
3555 (free_omp_region_1, free_omp_regions): New.
3556 (expand_parallel_call): Take entry_stmt as argument; update for
3557 changes to omp_region.
3558 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3559 (remove_exit_barriers): New.
3560 (expand_omp_parallel): Update for struct omp_region changes.
3561 (expand_omp_synch): Likewise.
3562 (expand_omp): Likewise.
3563 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3564 (expand_omp_for_static_chunk): Likewise.
3565 (expand_omp_for): Likewise.
3566 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3567 (expand_omp_sections): Similarly, with GOMP_sections_end.
3568 (expand_omp_single): New.
3569 (build_omp_regions_1): Update for OMP_CONTINUE.
3570 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3571 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3572 OMP_SECTIONS_SECTIONS.
3573 (lower_omp_single_simple): Don't emit barrier here.
3574 (lower_omp_single_copy): Likewise.
3575 (lower_omp_single): Fix bindings, and lower to straightline now.
3576 (lower_omp_master, lower_omp_ordered): Likewise.
3577 (lower_omp_critical): Likewise.
3578 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3579 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3580 omp edges, free it afterward.
3581 (make_omp_sections_edges): Remove.
3582 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3583 (move_stmt_r): Handle OMP_CONTINUE.
3584 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3585 statement pointers to basic blocks. Add type member.
3586 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3587 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3588 * tree-inline.c (estimate_num_insns_1): Likewise.
3589 * tree-pretty-print.c (dump_generic_node): Likewise.
3590 * tree-ssa-operands.c (get_expr_operands): Likewise.
3591 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3592 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3593 (OMP_CONTINUE): New.
3594 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3595 (OMP_SECTIONS_SECTIONS): Remove.
3596 (OMP_SECTION_LAST): New.
3597 (OMP_RETURN_NOWAIT): New.
3599 2006-04-13 Roger Sayle <roger@eyesopen.com>
3601 * fold-const.c (native_encode_vector, native_interpret_real):
3602 Correct obvious mistakes in the previous check-in.
3604 2006-04-13 Roger Sayle <roger@eyesopen.com>
3606 * fold-const.c (native_encode_expr): New function to encode
3607 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3608 or VECTOR_CST into a specified buffer.
3609 (native_encode_int): New function.
3610 (native_encode_real): New function.
3611 (native_encode_complex): New function.
3612 (native_encode_vector): New function.
3613 (native_interpret_expr): Inverse of native_encode_expr to convert
3614 a target representation into an INTEGER_CST, REAL_CST etc...
3615 (native_interpret_int): New function.
3616 (native_interpret_real): New function.
3617 (native_interpret_complex): New function.
3618 (native_interpret_vector): New function.
3619 (fold_view_convert_expr): New function to constant fold/evaluate
3620 a VIEW_CONVERT_EXPR of a suitable constant expression.
3621 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3622 Change call of build1 to fold_build1 when constructing a
3623 VIEW_CONVERT_EXPR.
3625 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3626 Ulrich Weigand <uweigand@de.ibm.com>
3628 PR target/27006
3629 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3630 to be even.
3632 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3634 PR target/26459
3635 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3636 optimize to lo_sum for DFmode if !TARGET_FPRS.
3638 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3640 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3641 delete_alias_info, compute_flow_sensitive_aliasing,
3642 group_aliases): Use VEC instead of VARRAY.
3643 * tree-ssa-structalias.c (update_alias_info): Likewise.
3644 * tree-ssa-structalias.h (alias_info): Change the type of
3645 processed_ptrs to VEC(tree,heap) *.
3647 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3649 PR target/27060
3650 * config/sh/lib1funcs.h: New file, broken out of:
3651 * config/sh/lib1funcs.asm.
3652 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3653 New macros.
3654 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3655 * config/sh/lib1funcs-Os-4-200.asm: New file.
3656 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3657 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3658 (EXTRA_MULTILIB_PARTS): Include it.
3659 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3660 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3661 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3662 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3663 TARGET_SH2.
3665 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3667 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3668 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3669 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3670 VARRAY.
3671 * tree-ssa-live.h: Include vecprim.h.
3672 (tree_partition_associator_d): Change the type of
3673 first_partition to VEC(int,heap) *.
3674 (tpa_first_partition): Use VEC instead of VARRAY.
3676 * Makefile.in (GTFILES): Move functions.h after tree.h.
3677 * function.c (reset_block_changes, record_block_change,
3678 check_block_change, free_block_changes): Use VEC instead of
3679 VARRAY.
3680 * function.h (function): Change the type of
3681 ib_boundaries_block to VEC(tree,gc) *.
3682 * tree-inline.c (copy_cfg_body): Initialize
3683 ib_boundaries_block to NULL instead of (varray_type) 0.
3685 2006-04-12 Roger Sayle <roger@eyesopen.com>
3687 * expr.c (emit_group_store): Correct operand order in call to
3688 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3689 a SUBREG_BYTE of zero.
3691 2006-04-12 Richard Guenther <rguenther@suse.de>
3693 * profile.c (compute_branch_probabilities): Remove code
3694 encapsulated in !ir_type (), which are remanents of the
3695 removed RTL profiling code.
3696 * rtl-profile.c: Remove.
3698 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3700 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3701 magic NULL_RTX comment.
3702 (function_arg): Store entire fp arg to mem if any part should go
3703 on stack.
3704 (rs6000_arg_partial_bytes): Adjust for above change.
3706 2006-04-11 Roger Sayle <roger@eyesopen.com>
3708 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3709 if it hasn't been initialized by dwarf2out_init.
3711 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3713 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3714 symbolic constants in branch patterns.
3716 2006-04-11 Roger Sayle <roger@eyesopen.com>
3718 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3720 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3722 PR rtl-optimization/27073
3723 * gcse.c (try_replace_reg): Revert last change. Continue to search
3724 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3725 on the former.
3727 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3729 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3730 aggregate types other than record and union types.
3731 (function_arg): Likewise.
3732 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3733 small arrays.
3734 (function_value): In 64-bit mode, return objects that require it
3735 in FP registers.
3737 2006-04-11 Roger Sayle <roger@eyesopen.com>
3739 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3741 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3743 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3745 2006-04-03 Jeff Law <law@redhat.com>
3747 PR/27087
3748 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3749 alias information too.
3751 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3753 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3755 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3757 PR/21391
3758 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3759 (premark_used_types_helper): New.
3760 (premark_used_types): New.
3761 (gen_subprogram_die): Call premark_used_types.
3762 (prune_unused_types_walk): Do not prune perennial dies.
3763 * function.c (used_types_insert): New.
3764 * function.h (struct function): Add used_types_hash field.
3765 (used_types_insert): Add prototype.
3766 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3767 * c-parser.c (c_parser_cast_expression): Save casted types in used
3768 types hash table.
3770 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3772 PR target/26459
3773 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3774 rs6000_explicit_options.float_gprs.
3776 2006-04-10 Roger Sayle <roger@eyesopen.com>
3778 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3779 from ix86_expand_vector_init_low_nonzero. Take an additional
3780 one_var argument indicating which element is non-zero. Support
3781 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3782 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3783 with one_var instead of ix86_expand_vector_init_low_nonzero.
3785 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3787 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3788 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3789 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3790 build/genextract.o): Depend on vecprim.h.
3791 * cfglayout.c, df-problems.c, function.c, genextract.c,
3792 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3793 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3794 vecprim.h.
3795 * vecprim.h: New.
3797 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3799 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3800 Declare VECs of this type.
3801 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3802 (remove_children): Delete.
3803 (add_dwarf_attr): Use VEC routines.
3804 (add_AT_flag): Update for changes to add_dwarf_attr.
3805 (add_AT_int): Likewise.
3806 (add_AT_unsigned): Likewise.
3807 (add_AT_long_long): Likewise.
3808 (add_AT_vec): Likewise.
3809 (add_AT_string): Likewise.
3810 (add_AT_die_ref): Likewise.
3811 (add_AT_fde_ref): Likewise.
3812 (add_AT_loc): Likewise.
3813 (add_AT_loc_list): Likewise.
3814 (add_AT_addr): Likewise.
3815 (add_AT_lbl_id): Likewise.
3816 (add_AT_lineptr): Likewise.
3817 (add_AT_macptr): Likewise.
3818 (add_AT_offset): Likewise.
3819 (add_AT_range_list): Likewise.
3820 (get_AT): Use VEC_iterate.
3821 (remove_AT): Use VEC_ordered_remove.
3822 (free_die): Fold remove_children into here; have it use VEC_iterate.
3823 (print_die): Use VEC_iterate on attrs.
3824 (reverse_die_lists): Don't reverse attr lists.
3825 (die_checksum): Use VEC_iterate on attrs.
3826 (same_die_p): Likewise.
3827 (output_location_lists): Likewise.
3828 (build_abbrev_table): Likewise.
3829 (size_of_die): Likewise.
3830 (unmark_all_dies): Likewise.
3831 (output_abbrev_section): Likewise.
3832 (output_die): Likewise.
3833 (prune_unused_types_walk_attribs): Likewise.
3835 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3837 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3839 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3841 PR debug/27057
3842 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3844 2006-04-09 Roger Sayle <roger@eyesopen.com>
3846 * expr.c (store_constructor): Don't bother clearing target if
3847 we're about to assign a vector to it using vec_init_optab.
3849 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3851 * tree-ssa-alias.c (lhs_may_store_to): New function.
3852 (recalculate_used_alone): Handle LHS of calls.
3854 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3856 PR target/27034
3857 PR target/26508
3858 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3859 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3860 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3861 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3862 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3863 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3864 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3865 stubs. Add ".align 8" directives before all ".dword" directives.
3866 (GTHREAD_USE_WEAK): Revise comment.
3867 (TARGET_ATTRIBUTE_WEAK): Define.
3868 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3869 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3870 * stublib.c: New file.
3872 PR target/26743
3873 PR target/11254
3874 PR target/10274
3875 * pa.md (cbranch patterns): Revise arguments used in calls to
3876 output_cbranch, output_bb and output_bvd. Add long branch length
3877 attributes.
3878 (fbranch patterns): Handle long branches.
3879 (jump): Revise length check. Revise arguments for output_lbranch call.
3880 Add long branch length attributes.
3881 (decrement_and_branch_until_zero): Add long branch length attributes.
3882 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3883 Likewise. Revise arguments for output_parallel_addb and
3884 output_parallel_movb calls.
3885 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3886 output_parallel_movb and output_parallel_addb): Update prototypes.
3887 * pa.c (output_cbranch): Revise arguments. Correct handling of
3888 nullification in long branches.
3889 (output_lbranch): Add new argument to control extraction of delay
3890 instruction.
3891 (output_bb): Handle long branches.
3892 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3893 output_parallel_addb): Likewise.
3895 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3897 PR rtl-optimization/27073
3898 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3899 not REG_EQUIVs.
3901 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3903 * tree.h (tree_memory_tag): Add old_used_alone.
3904 (SMT_OLD_USED_ALONE): New macro.
3905 * tree-ssa-alias.c (recalculate_used_alone): Stop
3906 marking things for renaming unnecessarily.
3908 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3910 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3911 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3912 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3913 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3914 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3915 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3916 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3917 spelling convensions.
3918 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3919 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3920 typos. Follow spelling conventions.
3922 2006-04-07 DJ Delorie <dj@redhat.com>
3924 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3925 passed on the stack.
3926 (m32c_init_cumulative_args): When a function returns a structure,
3927 always pass the pointer to that return area on the stack.
3928 (m32c_function_arg_advance): Don't increment the parameter number
3929 if we're processing the returned structure pointer.
3930 (pushm_info): Reverse order of registers.
3932 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3934 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3935 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3936 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3937 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3938 build_int_cst_type.
3939 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3940 chrec_fold_multiply): Same.
3941 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3942 force_expr_to_var_cost): Same.
3943 * tree-mudflap.c (mf_xform_derefs_1): Same.
3944 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3946 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3948 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3949 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3950 insn.
3952 2006-04-07 Jan Hubicka <jh@suse.cz>
3954 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3956 2006-04-07 Richard Guenther <rguenther@suse.de>
3958 PR tree-optimization/26135
3959 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3960 loads for store copy-prop.
3961 (copy_prop_visit_stmt): Likewise.
3963 2006-04-05 Robert Millan <robertmh@gnu.org>
3965 * config/i386/linux.h: Add a comment to mark macros that are
3966 being overriden in config/k*bsd-gnu.h.
3967 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3968 DYNAMIC_LINKER.
3969 * config/knetbsd-gnu.h: Ditto.
3971 2006-04-06 Jan Hubicka <jh@suse.cz>
3973 PR profile/20815
3974 PR profile/26399
3975 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3976 after buffer.
3978 2006-04-06 Mike Stump <mrs@apple.com>
3980 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3981 for HAVE_nonlocal_goto to be consistent.
3982 (expand_builtin_nonlocal_goto): Likewise.
3983 (expand_builtin_strcmp): Use #ifdef instead of #if
3984 for HAVE_cmpstrnsi to be consistent.
3986 2006-04-05 DJ Delorie <dj@redhat.com>
3988 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3989 vs m32c.
3991 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3993 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3994 got-relative addressing for anything but SImode.
3996 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3997 even if the calling function doesn't modify them.
3999 2006-04-05 Richard Guenther <rguenther@suse.de>
4001 PR tree-optimization/26919
4002 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4003 to cgraph_estimate_size_after_inlining.
4005 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4007 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4009 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4011 PR tree-optimization/26996
4012 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4013 VECTOR_TYPE variables.
4015 2006-04-05 Richard Guenther <rguenther@suse.de>
4017 PR tree-optimization/26763
4018 * fold-const.c (fold_comparison): Move folding of
4019 PTR + CST CMP PTR + CST ...
4020 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4022 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4024 * doc/install.texi (Prerequisites): Refine some wording on
4025 bootstrapping and ksh.
4026 Move the version numbers of DejaGnu here from the testing section
4027 and fix casing of names.
4028 Fix markup and clarify wording for autogen requirements.
4029 Refer to GCJ instead of just java.
4030 Refer to SVN instead of CVS.
4031 Describe diffutils as useful instead of necessary.
4032 (Downloading the source): Refer to SVN instead of CVS.
4033 Adjust a link to our web site accordingly.
4034 (Configuration): Fix casing of Bison.
4035 (Building): Refer to SVN instead of CVS.
4036 Fix a sentence on the use of Bison and remove duplicate (and
4037 incorrect) version number of Bison requirement.
4038 Remove one redundant list of packages needed for building.
4039 (Specific): Avoid reference to CVS.
4041 2006-04-04 Eric Christopher <echristo@apple.com>
4043 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4044 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4045 (rs6000_handle_struct_attribute): New.
4046 (rs6000_ms_bitfield_layout_p): Ditto.
4048 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4050 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4051 NULL for dso parameter to atexit_common.
4053 2006-04-04 Eric Christopher <echristo@apple.com>
4055 * config/i386/i386.c (machopic_output_stub): Output \t
4056 between instructions and operands.
4058 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4060 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4061 satisfies_constraint_[IL] to explicit tests on value.
4063 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4065 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4066 set_nb_iterations_in_loop): Use build_int_cst instead of
4067 build_int_cst_type.
4068 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4069 build_int_cst instead of convert.
4071 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4073 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4074 new value 2 for incoming.
4075 * function.c (expand_function_start): Call struct_value_rtx
4076 with incoming as 2.
4077 * config/sparc/sparc.md: Comment updated_return.
4078 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4079 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4080 struct return if sparc_std_struct_return and incoming is 2.
4081 (print_operand): Do not adjust return if
4082 sparc_std_struct_return.
4084 2006-04-04 Roger Sayle <roger@eyesopen.com>
4086 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4087 convert in the middle-end.
4088 * expr.c (store_expr, store_constructor, get_inner_reference,
4089 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4090 Likewise.
4091 * tree.c (build_range_type): Likewise.
4093 2006-04-04 Tom Tromey <tromey@redhat.com>
4095 * doc/install.texi (Prerequisites): Mention jar.
4097 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4099 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4100 subsection.
4102 2006-04-04 Matthias Klose <doko@debian.org>
4104 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4105 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4106 strings.
4108 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4110 * doc/extend.texi (Function Attributes): Rewrite visibility
4111 attribute documentation.
4112 * doc/invoke.texi (C++ Dialect Options): Rewrite
4113 -fvisibility-inlines-hidden documentation to describe something
4114 entirely different, although in practise compatible.
4115 (Code Gen Options): Warn about system headers in -fvisibility=
4116 documentation.
4118 * doc/extend.texi (Other Builtins): Document that
4119 __builtin_nan is a compile-time constant only when its argument
4120 is valid.
4122 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4124 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4125 trying to remove TRUNCATE check if all bits outside the new mode
4126 are identical to the sign bit.
4128 2006-04-03 Jeff Law <law@redhat.com>
4130 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4131 and operand scanning in some common cases.
4133 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4134 Dale Johannesen <dalej@apple.com>
4136 PR target/19653
4137 * regclass.c (struct reg_pref): Update documentation.
4138 (regclass): Set prefclass to NO_REGS if memory is the best option.
4139 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4140 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4141 into account. For non-registers, equate an empty preferred
4142 reload class to a `!' in the constraint; move the if clause to
4143 do so after those that reject the insn.
4144 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4145 return NO_REGS.
4146 (find_dummy_reload): Likewise.
4147 * doc/tm.texi (Register Classes): Document what it means
4148 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4149 * config/i386/i386.c (ix86_preferred_reload_class): Force
4150 using SSE registers (and return NO_REGS for floating-point
4151 constants) if math is done with SSE.
4152 (ix86_preferred_output_reload_class): New.
4153 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4154 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4155 * config/i386/i386.md: Remove # register preferences.
4157 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4159 PR bootstrap/26992
4160 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4161 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4162 the type of nb_iter.
4163 (instantiate_parameters_1): Convert the operands before calling
4164 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4165 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4167 2006-04-02 Roger Sayle <roger@eyesopen.com>
4169 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4170 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4171 instead of convert.
4172 * dojump.c (do_jump): Likewise.
4173 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4174 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4175 gimplify_boolean_expr): Likewise.
4176 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4177 * varasm.c (array_size_for_constructor): Likewise.
4178 * tree-object-size.c (compute_object_offset): Likewise.
4180 2006-04-02 Roger Sayle <roger@eyesopen.com>
4182 PR middle-end/26977
4183 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4184 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4186 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4188 PR tree-optimization/26939
4189 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4191 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4193 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4194 at_stmt. Convert the type of operands before calling
4195 build_polynomial_chrec.
4196 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4197 add_to_evolution_1.
4198 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4199 (instantiate_parameters_1): Convert the type of operands before calling
4200 build_polynomial_chrec.
4201 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4202 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4203 reset_evolution_in_loop): Insert asserts to check the types of the
4204 operands.
4205 (chrec_type): Moved...
4206 (eq_evolutions_p): Use operand_equal_p.
4207 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4208 the types of the operands.
4209 (chrec_type): ...here.
4210 * tree-data-ref.c (create_data_ref): Convert the operands before
4211 calling chrec_replace_initial_condition.
4212 (same_access_functions, analyze_subscript_affine_affine,
4213 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4214 (compute_subscript_distance, analyze_ziv_subscript,
4215 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4216 analyze_miv_subscript): Convert the operands before calling
4217 chrec_fold_minus or chrec_fold_plus.
4219 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4221 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4222 the dependence_relations vector.
4223 (compute_data_dependences_for_loop): Adjust call to
4224 compute_all_dependences.
4226 2006-04-01 Roger Sayle <roger@eyesopen.com>
4227 Richard Henderson <rth@redhat.com>
4229 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4230 gimple_boolify on the condition before calling gimplify_expr.
4232 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4234 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4235 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4236 the frame size. Update to use the new macros.
4237 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4238 * config/xtensa/ieee754-df.S: Likewise.
4240 2006-03-31 Richard Henderson <rth@redhat.com>
4242 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4243 (make_edges): ... here. Control fallthru creation with a local
4244 variable. Do not play with fake edges.
4245 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4246 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4247 a boolean.
4249 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4251 * dwarf2.h (DW64_CIE_ID): Define.
4252 * dwarf2out.c (DWARF_CIE_ID): Define.
4253 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4254 length header. Use DWARF_CIE_ID.
4255 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4256 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4258 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4260 * config/sh/linux-atomic.asm: New file.
4261 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4263 2006-03-31 DJ Delorie <dj@redhat.com>
4265 * config/m32c/cond.md: Set condition flags properly throughout.
4266 * config/m32c/minmax.md: Likewise.
4267 * config/m32c/prologue.md: Likewise.
4268 * config/m32c/bitops.md: Likewise.
4269 * config/m32c/muldiv.md: Likewise.
4270 * config/m32c/mov.md: Likewise.
4271 * config/m32c/addsub.md: Likewise.
4272 * config/m32c/m32c.md: Likewise.
4273 * config/m32c/jump.md: Likewise.
4274 * config/m32c/shift.md: Likewise.
4276 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4277 conditionally output the pattern for this.
4278 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4279 (m32c_compare_redundant): New.
4280 (m32c_output_compare): New.
4281 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4283 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4284 dest, not src. Allow other 4-byte modes.
4286 2006-03-30 Denis Chertykov <denisc@overta.ru>
4288 * doc/md.texi: Refer to avr/constraints.md instead of
4289 avr/avr.h.
4291 2006-03-30 Roger Sayle <roger@eyesopen.com>
4293 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4294 signed vs. unsigned comparison failures on some hosts.
4296 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4298 PR target/26459
4299 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4300 change to FLOAT_REGS.
4302 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4303 (rs6000_override_options): Use it.
4304 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4305 only for -mabi=spe/no-spe and -mabi=altivec.
4307 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4309 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4310 !Zdynamiclib.
4312 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4314 * Makefile.in: Rename docdir to gcc_docdir.
4316 2006-03-30 Roger Sayle <roger@eyesopen.com>
4318 PR target/17959
4319 * expr.c (emit_group_store): Optimize group stores into a pseudo
4320 register by using a paradoxical subreg to initialize the destination
4321 if the first or last member of the group specifies a "low part".
4323 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4325 PR target/26734
4326 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4327 * target.h (struct gcc_target.speculate_insn): Change type of the
4328 second parameter to 'int'.
4329 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4330 the second operand of the DEPS_LIST.
4331 (copy_DEPS_LIST_list): Update reference to the second operand of the
4332 DEPS_LIST.
4333 * rtl.h (alloc_DEPS_LIST): Update signature.
4334 * sched-int.h (ds_t): Change typedef to 'int'.
4335 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4337 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4339 * haifa-sched.c (try_ready): Change condition to restore
4340 non-speculative pattern of the instruction.
4341 (process_insn_depend_be_in_spec): Code to keep probability of the
4342 speculative dependence non-decreasing.
4344 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4346 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4347 (single_move_for_movmem): ... this. Also change all uses.
4348 (bfin_expand_strmov): Renamed to...
4349 (bfin_expand_movmem): ... this. Also change all uses.
4350 * config/bfin/bfin.md (movstrsi): Renamed to...
4351 (movstrsi): ...this.
4353 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4355 PR tree-optimization/26830
4357 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4358 (copy_prop_visit_stmt): Remove write-only variable ann.
4359 (init_copy_prop): Check variable loop depth here. Do not simulate
4360 memory-tag and virtual operand PHIs except for store copy prop.
4362 2006-03-30 Richard Guenther <rguenther@suse.de>
4364 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4365 variants with double arguments.
4367 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4369 * genpreds.c (write_tm_constrs_h): Delete variable p.
4370 * genconditions.c (write_header): Add tm-constrs.h to included
4371 headers.
4372 * genpeep.c (main): Add toplev.h to included headers.
4373 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4374 (build/genpeep.o): Add toplev.h dependency.
4375 * config/rs6000/constraints.md: Add "W" constraint.
4377 2006-03-29 Roger Sayle <roger@eyesopen.com>
4379 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4380 sizes by correctly testing whether the size fits a host integer.
4381 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4382 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4383 SImode range for the default sizetype and bitsizetype.
4385 2006-03-29 Roger Sayle <roger@eyesopen.com>
4387 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4388 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4389 quickly if the argument is already of the correct type.
4390 Call fold_build1 instead of build1. Tidy up blank lines.
4392 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4394 * genemit.c (main): Add tm-constrs.h to included headers.
4395 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4396 * genpeep.c (main): Add tm-constrs.h to included headers.
4397 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4398 (write_tm_constrs_h): this and write complete file.
4399 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4400 (write_insn_preds_c): Add tm-constrs.h to included headers.
4401 (gen_constrs): New variable.
4402 (parse_option): Parse "-c".
4403 (main): Invoke write_tm_constrs_h.
4404 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4405 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4406 (object_out_file): Add tm-constrs.h dependency.
4407 (insn-emit.o): Same.
4408 (insn-output.o): Same.
4409 (insn-peep.o): Same.
4410 (insn-preds.o): Same.
4411 (insn-recog.o): Same.
4412 (tm-constsr.h): New target.
4413 (s-constrs-h): New target.
4415 * config/rs6000/constraints.md: New file.
4416 * config/rs6000/rs6000.c: Include tm-constrs.h.
4417 (num_insn_constant_wide): Convert to satisfies_constraint.
4418 (rs6000_rtx_costs): Convert to satisfies_constraint.
4419 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4420 (CONST_OK_FOR_LETTER_P): Delete.
4421 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4422 (EXTRA_CONSTRAINT): Delete.
4423 (EXTRA_MEMORY_CONSTRAINT): Delete.
4424 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4425 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4426 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4427 satisfies_constraint.
4429 * config/i386/i386.c: Include tm-constrs.h.
4431 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4433 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4434 * tree-data-ref.c (find_data_references_in_loop,
4435 compute_data_dependences_for_loop): Use pointers to VEC.
4436 (analyze_all_data_dependences): Adjust calls.
4437 * tree-data-ref.h (find_data_references_in_loop,
4438 compute_data_dependences_for_loop): Adjust declarations.
4439 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4440 compute_data_dependences_for_loop.
4442 2006-03-29 Paul Brook <paul@codesourcery.com>
4444 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4445 (movdf_vfp): Ditto.
4447 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4449 PR tree-optimization/26859
4450 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4451 division by zero.
4452 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4453 for the step after fold_convert.
4455 2006-03-29 Paul Brook <paul@codesourcery.com>
4457 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4458 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4460 2006-03-29 Paul Brook <paul@codesourcery.com>
4462 PR middle-end/23623
4463 * targhooks.c (default_narrow_bitfield): New fuction.
4464 * targhooks.h (default_narrow_bitfield): add prototype.
4465 * target.h (gcc_target): Add narrow_volatile_bitfield.
4466 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4467 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4468 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4469 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4471 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4473 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4474 tmake_file.
4475 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4476 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4477 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4478 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4479 (s390_function_arg_float): Allow SDmode and DDmode values to be
4480 passed in floating point registers.
4481 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4482 check with SCALAR_FLOAT_MODE_P.
4483 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4485 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4487 PR tree-optimization/25985
4488 * tree-ssa-loop-niter.c (number_of_iterations_le,
4489 number_of_iterations_ne): Make comments more precise.
4490 (number_of_iterations_cond): Add only_exit argument. Use the
4491 fact that signed variables do not overflow only when only_exit
4492 is true.
4493 (loop_only_exit_p): New.
4494 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4495 number_of_iterations_cond.
4497 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4499 PR tree-optimization/26643
4500 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4501 bit_field_refs.
4503 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4505 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4506 (divsi3_i4_int): Likewise.
4508 2006-03-28 Roger Sayle <roger@eyesopen.com>
4510 * expr.c (emit_group_store): Only create a new pseudo reg if the
4511 quantity it needs to hold isn't already a suitable pseudo.
4513 2006-03-28 Jeff Law <law@redhat.com>
4515 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4516 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4518 2006-03-28 Roger Sayle <roger@eyesopen.com>
4520 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4521 the equivalent ~X & Y, and the symmetry related transformations.
4522 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4523 ~X & Y, and symmetry related transforms.
4525 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4527 Revert my 2006-03-27 patches.
4529 2006-03-28 Roger Sayle <roger@eyesopen.com>
4531 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4532 ~(T1)X, when T1 and T2 are integer types of the same precision
4533 and (T2)X isn't an extension.
4535 2006-03-28 Jeff Law <law@redhat.com>
4537 PR tree-optimization/26796
4538 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4539 need EH edge cleanups rather than purging them immediately.
4540 (eliminate_degenerate_phis): Handle queued EH cleanups.
4542 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4544 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4545 from parent_var.
4547 2006-03-27 Roger Sayle <roger@eyesopen.com>
4549 PR middle-end/22524
4550 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4551 cast BIT_NOT_EXPR operand to the correct type.
4553 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4555 * tree-loop-linear.c: Don't include varray.h.
4556 (gather_interchange_stats, try_interchange_loops,
4557 linear_transform_loops): Use VEC instead of VARRAY.
4558 * lambda-mat.c: Don't include varray.h.
4559 * tree-chrec.c: Same.
4560 * lambda-trans.c: Same.
4561 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4562 VEC instead of VARRAY.
4563 * tree-vectorizer.h: Idem.
4564 * tree-data-ref.c (dump_data_references,
4565 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4566 initialize_data_dependence_relation, finalize_ddr_dependent,
4567 compute_all_dependences, find_data_references_in_loop,
4568 compute_data_dependences_for_loop, analyze_all_data_dependences,
4569 free_dependence_relation, free_dependence_relations,
4570 free_data_refs): Idem.
4571 * tree-data-ref.h (data_reference_p, subscript_p): New.
4572 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4573 VEC instead of VARRAY.
4574 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4575 (find_data_references_in_loop, compute_data_dependences_for_loop,
4576 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4577 dump_data_dependence_relations, free_dependence_relations,
4578 free_data_refs): Adjust declaration.
4579 (lambda_transform_legal_p): Move declaration here...
4580 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4581 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4582 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4583 vect_analyze_data_refs): Use VEC instead of VARRAY.
4584 * lambda.h (lambda_transform_legal_p): ...from here.
4585 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4586 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4587 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4588 tree-chrec.o): Don't depend on VARRAY_H.
4590 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4592 * rtl.def (Copyright): Update date.
4593 (DEPS_LIST): Change type of the second operand to 'int'.
4594 * target.h (Copyright): Update date.
4595 (struct gcc_target.speculate_insn): Change type of the second parameter
4596 to 'int'.
4597 * lists.c (Copyright): Update date.
4598 (alloc_DEPS_LIST): Change signature. Update reference to the second
4599 operand of the DEPS_LIST.
4600 (copy_DEPS_LIST_list): Update reference to the second operand of the
4601 DEPS_LIST.
4602 * rtl.h (Copyright): Update date.
4603 (alloc_DEPS_LIST): Update signature.
4604 * sched-int.h (Copyright): Update date.
4605 (ds_t): Change typedef to 'int'.
4606 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4608 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4610 * haifa-sched.c (Copyright): Update date.
4611 (try_ready): Change condition to restore non-speculative pattern
4612 of the instruction.
4613 (process_insn_depend_be_in_spec): Code to keep probability of the
4614 speculative dependence non-decreasing.
4616 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4618 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4619 shut up the compiler.
4621 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4623 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4624 to use lib prefix for target.
4625 ($(T)libic_invalidate_array_4-200.a): Likewise.
4626 ($(T)libic_invalidate_array_4a.a): Likewise.
4628 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4629 J"orn Rennecke <joern.rennecke@st.com>
4631 * superh.opt: New file.
4632 * sh.c (boardtype, osruntime): Remove.
4633 * superh.h (SUBTARGET_OPTIONS): Remove.
4634 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4636 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4637 arguments with ^ and/or [].
4639 * config.gcc (sh-*-*): Add quoting to account for quirk of
4640 Solaris /bin/sh.
4641 Replace == with = in enable_incomplete_targets test.
4643 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4644 with MASK_LITTLE_ENDIAN.
4646 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4647 * config/sh/sh.opt: Added to some comments.
4648 * config/sh/superh.h: Removed some chaff.
4650 * config/sh/sh.opt: Add m4-[1234]00* options.
4651 * config/sh/sh.c (sh_handle_option): Likewise.
4652 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4653 (ic_invalidate_array_4-100.o): New rule.
4654 ($(T)libic_invalidate_array_4-100.a): Likewise.
4655 (ic_invalidate_array_4-200.o): Likewise.
4656 ($(T)libic_invalidate_array_4-200.a): Likewise.
4657 (ic_invalidate_array_4a.o): Likewise.
4658 ($(T)libic_invalidate_array_4a.a): Likewise.
4659 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4660 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4661 m4-200*, and m4a*.
4662 * config/sh/crt1.asm: Merged in profiling code.
4663 * config/sh/superh.h (STARTFILE_SPEC): Override.
4664 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4665 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4666 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4668 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4669 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4670 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4672 * sh.opt (mpretend-cmove): New option.
4673 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4674 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4675 (movsicc): Add TARGET_PRETEND_CMOVE code.
4677 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4679 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4680 s390_class_max_nregs): New function prototypes.
4681 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4682 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4683 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4684 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4686 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4688 * dwarf2out.c (add_location_or_const_value_attribute): Call
4689 tree_add_const_value_attribute if nothing else works.
4690 (reference_to_unused): New.
4691 (rtl_for_decl_init): Use reference_to_unused to decide whether
4692 to output an initializer.
4694 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4696 PR target/26459
4697 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4698 peephole removing spe frob_di_df_2.
4700 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4702 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4703 (subscript_dependence_tester_1): Declared.
4704 (print_dir_vectors, print_dist_vectors): New.
4705 (debug_data_dependence_relation): New.
4706 (dump_data_dependence_relation): Print more details.
4707 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4708 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4709 (save_dist_v, save_dir_v, add_outer_distances,
4710 build_classic_dist_vector_1): New.
4711 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4712 Don't test for lambda_vector_lexico_pos.
4713 (same_access_functions, add_multivariate_self_dist,
4714 add_other_self_distances, dir_from_dist): New.
4715 (build_classic_dir_vector): Replace implementation almost identical to
4716 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4717 dir_from_dist.
4718 (subscript_dependence_tester_1): New.
4719 (subscript_dependence_tester): Handle the lexicographically negative
4720 distance vectors by recomputing the dependence relation.
4721 (compute_affine_dependence): Remove parameter loop_nest_depth.
4722 (compute_self_dependence): Don't call compute_subscript_distance.
4723 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4724 Add a parameter for the loop_nest.
4725 (find_loop_nest_1, find_loop_nest): New.
4726 (compute_data_dependences_for_loop): Compute the loop nest, and give
4727 up if the nest is not well formed.
4728 * tree-data-ref.h (loop_p): New.
4729 (struct data_dependence_relation): Replace size_vect field with
4730 loop_nest, a vec of loops.
4731 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4732 (DDR_LOOP_NEST): New.
4733 (print_dir_vectors, print_dist_vectors,
4734 debug_data_dependence_relation): Declared.
4735 (index_in_loop_nest): New.
4736 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4737 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4738 distance.
4740 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4742 * simplify-rtx.c (simplify_relational_operation): Call
4743 simplify_relational_operation_1 even if mode is VOIDmode.
4745 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4747 PR tree-optimization/26804
4748 * tree.h (DECL_CALL_CLOBBERED): New macro.
4749 (tree_decl_common): Add call_clobbered_flag.
4750 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4751 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4752 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4753 (mark_non_addressable): Ditto.
4754 * tree-ssa.c (verify_call_clobbered): New function.
4755 (verify_alias_info): Use it.
4756 * tree-pass.h (pass_reset_cc_flags): New prototype.
4757 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4758 (reset_cc_flags): New function.
4759 * passes.c (init_optimization_passes): Call reset_cc_flags after
4760 initializing referenced_vars.
4762 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4763 Roger Sayle <roger@eyesopen.com>
4765 PR middle-end/26717
4766 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4767 to 1.0 for non-real operands. Implement A / A optimization for
4768 complex operands.
4770 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4772 * config/i386/i386.c (size_cost): Correct the comment for
4773 cost of storing fp registers.
4774 (i386_cost): Likewise.
4775 (i486_cost): Likewise.
4776 (pentium_cost): Likewise.
4777 (pentiumpro_cost): Likewise.
4778 (k6_cost): Likewise.
4779 (athlon_cost): Likewise.
4780 (k8_cost): Likewise.
4781 (pentium4_cost): Likewise.
4782 (nocona_cost): Likewise.
4783 (generic64_cost): Likewise.
4784 (generic32_cost): Likewise.
4786 2006-03-24 Denis Chertykov <denisc@overta.ru>
4788 * config/avr/avr-protos.h (extra_constraint): Delete.
4789 (extra_constraint_Q): New declaration.
4790 * config/avr/constraints.md: New file.
4791 * config/avr/avr.md: Include it.
4792 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4793 (TMP_REGNO, ZERO_REGNO): Likewise.
4794 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4795 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4796 (extra_constraint): Delete.
4797 (extra_constraint_Q): Test for memory constraint 'Q'.
4798 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4799 (REG_CLASS_FROM_LETTER): Delete.
4800 (CONST_OK_FOR_LETTER_P): Delete.
4801 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4802 (EXTRA_CONSTRAINT): Delete.
4803 (TMP_REGNO): Delete.
4804 (ZERO_REGNO): Delete.
4806 2006-03-24 Jeff Law <law@redhat.com>
4808 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4809 directly. Call mark_new_vars_to_rename slightly earlier.
4811 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4813 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4814 (is_cxx): Likewise.
4815 (gen_compile_unit_die): Use new language types for Objective-C and
4816 Objective-C++.
4817 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4818 DW_LANG_C_plus_plus.
4820 PR 26793
4821 * config/t-darwin (crt3.o): Work around bug 26840.
4822 * config/darwin-crt3.c: Rewrite.
4823 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4825 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4827 * doc/invoke.texi: Document -femit-class-debug-always
4828 * common.opt: Add -femit-class-debug-always.
4830 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4832 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4833 index and base register.
4834 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4835 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4836 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4837 REGNO_OK_FOR_INDEX_P.
4838 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4839 ADDR_REGNO_P.
4840 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4841 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4842 REG_OK_FOR_BASE_P): Definitions removed.
4844 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4846 PR middle-end/26611
4847 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4848 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4849 set yet or weren't marked as local yet.
4851 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4853 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4854 the compiler.
4856 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4858 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4859 (rs6000_legitimate_small_data_p): Delete.
4860 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4861 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4862 and make static. Add forward declaration. Update uses.
4863 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4864 of offsettable_memref_p.
4865 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4866 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4868 2006-03-24 Jeff Law <law@redhat.com>
4870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4871 around bug in immediate-use iterator.
4873 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4875 PR target/26607
4876 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4877 or __LITTLE_ENDIAN__.
4879 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4881 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4882 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4883 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4884 * config/sh/sh.opt (mdiv=): Amend description.
4885 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4886 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4887 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4888 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4889 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4890 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4891 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4892 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4893 TARGET_DIVIDE_CALL_FP.
4895 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4897 * haifa-sched.c (choose_ready): Fix type of the local variable.
4898 Move local variables. Add comment.
4899 (check_reg_live): Change signature. Make callable from debugger.
4900 * sched-int.h (check_reg_live): Update signature.
4901 * sched-ebb.c (check_reg_live): Update parameters.
4902 * sched-rgn.c (check_reg_live): Ditto.
4903 (region_head_or_leaf_p): Check pointer before dereferencing.
4904 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4905 before reload on optimization levels below 1.
4907 2006-03-23 Richard Henderson <rth@redhat.com>
4909 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4910 tls symbols.
4912 PR target/26347
4913 * config/alpha/predicates.md (local_symbolic_operand): Reject
4914 weak symbols.
4916 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4918 PR tree-opt/26795
4919 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4920 expressions which have overflowed constants.
4922 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4924 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4926 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4928 * cfgloopmanip.c (create_loop_notes): Removed.
4929 * final.c (final_scan_insn): Do not handle loop notes.
4930 * jump.c (squeeze_notes): Ditto.
4931 * cfglayout.c (skip_insns_after_block,
4932 duplicate_insn_chain): Ditto.
4933 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4934 create_loop_notes.
4935 * cfgloop.h (create_loop_notes): Declaration removed.
4937 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4939 * varasm.c (output_constant_pool): Restore fnname and fndecl
4940 arguments.
4941 (assemble_start_function): Adjust call accordingly.
4942 (assemble_end_function): Likewise.
4944 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4946 PR mudflap/26789
4947 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4949 PR mudflap/26790
4950 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4952 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4954 PR driver/22600
4955 * system.h (ICE_EXIT_CODE): New macro.
4956 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4957 (diagnostic_action_after_output): Likewise.
4958 * gcc.c (fatal_ice): New function.
4959 (execute): Use it instead of fatal.
4960 (fancy_abort): Likewise.
4961 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4963 2006-03-22 Jeff Law <law@redhat.com>
4965 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4966 iv_analyze_result returning false.
4968 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4970 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4972 2006-03-22 Richard Henderson <rth@redhat.com>
4974 PR middle-end/26084
4975 * except.c (duplicate_eh_regions_0): New.
4976 (duplicate_eh_region_1): Duplicate the children of the node as
4977 well as the node itself. Link them up properly.
4978 (duplicate_eh_region_2): Merge into ...
4979 (duplicate_eh_regions): ... here. Take copy_region argument, and
4980 copy only a sub-tree if asked. Simplify copying and fixup.
4981 (eh_region_outer_p): New.
4982 * except.h (duplicate_eh_regions): Update decl.
4983 (eh_region_outer_p): Declare.
4984 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4985 (lower_omp_master): Likewise.
4986 (lower_omp_ordered): Likewise.
4987 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4988 (move_stmt_r): Use it to remap labels. Handle recursion vs
4989 remap_decls_p properly.
4990 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4991 (find_outermost_region_in_block): New.
4992 (new_label_mapper): New.
4993 (move_sese_region_to_fn): Copy eh information to the new function
4994 properly.
4995 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4996 argument.
4997 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4998 number.
5000 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5002 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5003 into shared libraries.
5005 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5007 * doc/md.texi: Refer to i386/constraints.md instead of
5008 i386/predicates.md.
5009 * config/i386/constraints.md: New file, extracted from...
5010 * config/i386/predicates.md: ...here.
5011 * config/i386/i386.md: Include constraints.md.
5013 2006-03-21 Jason Merrill <jason@redhat.com>
5015 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5017 PR middle-end/20297
5018 * expr.c (init_block_move_fn): Force default visibility.
5019 (init_block_clear_fn): Likewise.
5020 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5021 * targhooks.c (default_external_stack_protect_fail): Likewise.
5023 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5025 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5026 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5027 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5028 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5029 (loadgp): Use mips_current_loadgp_style.
5030 (loadgp_noshared): New pattern.
5031 (sibcall_internal): Use MIPS_CALL.
5032 (sibcall_value_internal): Likewise.
5033 (sibcall_value_multiple_internal): Likewise.
5034 (call_internal): Likewise.
5035 (call_value_internal): Likewise.
5036 (call_value_multiple_internal): Likewise.
5037 (call_split): Use MIPS_CALL and add an 'S' constraint.
5038 (call_value_split): Likewise.
5039 (call_value_multiple_split): Likewise.
5040 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5041 (-mshared): New option.
5042 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5043 (mips_current_loadgp_style): Declare.
5044 * config/mips/mips.c (mips_classify_symbol): Avoid using
5045 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5046 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5047 TARGET_ABSOLUTE_ABICALLS.
5048 (override_options): Adjust comments. Improve the warning that is
5049 issued when -mabicalls and -G are used together.
5050 (mips_file_start): Remove comment.
5051 (mips_current_loadgp_style): New function.
5052 (mips_gnu_local_gp): New variable.
5053 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5054 LOADGP_ABSOLUTE.
5055 (mips_output_function_prologue): Use mips_current_laodgp_style.
5056 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5057 the cprestore instruction.
5058 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5059 live for TARGET_ABSOLUTE_ABICALLS.
5060 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5061 (ASM_SPEC): Pass down -mshared and -mno-shared.
5062 (MIPS_CALL): New macro.
5063 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5064 definition.
5065 * doc/invoke.texi (-mabicalls): Update documentation.
5066 (-mshared): Document.
5068 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5070 * config/ia64/unwind-hpux.c: New file.
5071 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5073 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5075 PR libgomp/26384
5076 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5078 2006-03-21 Jeff Law <law@redhat.com>
5080 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5081 type conversions of a VR_VARYING source to a wider type.
5083 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5085 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5086 tm_file on Solaris 10 and later.
5087 (sparc64-*-solaris2*): Likewise.
5088 (sparc-*-solaris2*): Likewise.
5089 * config/sol26.h: Rename to config/sol2-6.h.
5090 * config/sol2-10.h: New file.
5092 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5094 PR tree-opt/26781
5095 * tree-ssa-pre.c (create_component_ref_by_pieces):
5096 Handle STRING_CST.
5098 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5100 PR c++/26690
5101 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5102 return it immediately.
5104 2006-03-21 Michael Matz <matz@suse.de>
5106 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5107 New members.
5108 (remove_arc, add_arc): Update num_out_arcs member.
5109 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5110 of out arcs.
5111 (cache_presence): New function.
5112 (compare_states_for_equiv): New function.
5113 (state_is_differed): Don't take number of outargs, adjust callers.
5114 Use new invariant for speeding up.
5115 (init_equiv_class): Create initial classes based on sorted
5116 input.
5117 (partition_equiv_class): Don't track out_arcs_num.
5118 (evaluate_equiv_classes): Call cache_presence on all states and
5119 sort them.
5121 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5123 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5124 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5125 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5126 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5127 callers changed.
5128 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5129 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5130 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5131 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5132 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5133 macros.
5134 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5135 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5136 (REGNO_REG_CLASS): ARGP is in PREGS.
5137 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5138 IREGS.
5139 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5140 to deal with those addresses.
5141 * addresses.h: New file.
5142 * caller-save.c: Include "addresses.h".
5143 (init_caller_save): Use new base_reg_class function.
5144 * rtl-factoring.c: Include "addresses.h".
5145 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5146 * recog.c: Include "addresses.h".
5147 (preprocess_constraints): Use new base_reg_class function.
5148 * regrename.c: Include "addresses.h".
5149 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5150 functions. Keep track of a new var INDEX_CODE to compute valid
5151 classes.
5152 (replace_oldest_value_addr): Likewise.
5153 (replace_oldest_value_mem): Use base_reg_class.
5154 * reload.c: Include "addresses.h".
5155 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5156 (find_reloads): Use new base_reg_class function.
5157 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5158 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5159 all callers and prototype changed.
5160 * reload1.c: Include "addresses.h".
5161 (maybe_fix_stack_asms): Use base_reg_class.
5162 * regclass.c: Include "addresses.h".
5163 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5164 (init_reg_autoinc): Use new base_reg_class function.
5165 (record_reg_classes): Likewise.
5166 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5167 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5168 Use new args to compute necessary class.
5170 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5171 regrename.o, rtl-factoring.o): Update dependencies.
5172 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5173 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5174 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5175 REG_OK_FOR_INDEX_P): Delete documentation.
5177 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5179 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5180 from V7 to V9 for Solaris 7 and above.
5182 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5184 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5185 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5186 argument pointers may not alias any other storage.
5187 * common.opt: Define option -fargument-noalias-anything.
5188 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5189 alias semantics is specified by flag_argument_noalias > 2.
5191 2006-03-20 Jeff Law <law@redhat.com>
5193 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5194 (pass_phi_only_cprop): Declare.
5195 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5196 with phi_only_cprop
5197 * tree-ssa-dom.c (degenerate_phi_result): New function.
5198 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5199 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5200 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5201 (eliminate_degenerate_phis): Likewise.
5202 (pass_phi_only_cprop): New pass descriptor.
5203 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5204 support code. Callers updated.
5205 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5206 (store_copy_prop): Likewise.
5207 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5209 2006-03-20 Jason Merrill <jason@redhat.com>
5211 PR c++/21764
5212 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5213 (push_visibility, pop_visibility): Likewise.
5214 * c-pragma.h: Declare them.
5216 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5218 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5220 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5221 parameter and use get_ebb_head_tail.
5222 (sh_md_init_global): Adjust uses of find_regmode_weight.
5224 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5226 * function.h (struct function) <x_tail_recursion_reentry>:
5227 Rename to x_stack_check_probe_note.
5228 (tail_recursion_reentry): Rename to stack_check_probe_note.
5229 * function.c: Replace tail_recursion_reentry with
5230 stack_check_probe_note everywhere.
5231 (expand_function_start): Only emit a note for
5232 stack_check_probe_note with -fstack-protect.
5233 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5235 * emit-rtl.c (remove_unnecessary_notes): Remove.
5236 (pass_remove_unnecessary_notes): Remove.
5237 * rtl.h (remove_unnecessary_notes): Remove prototype.
5238 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5239 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5240 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5242 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5244 PR tree-opt/26629
5245 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5246 (valid_in_set): Handle ARRAY_REF.
5247 Change "if min_variant or VH" to asserts.
5248 (create_component_ref_by_pieces): Handle ARRAY_REF.
5249 (create_expression_by_pieces): Likewise.
5250 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5252 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5254 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5255 is operand of switch, not str[0].
5257 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5259 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5260 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5262 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5264 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5265 end of insn_extra_address_constraint declaration.
5267 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5269 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5270 (no-sum-in-toc): Same.
5271 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5272 variables.
5273 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5274 NO_FP_IN_TOC for -fPIC instead of mask.
5276 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5277 (BOOT_LDFLAGS): Delete.
5278 (LDFLAGS): Delete.
5279 * config/rs6000/t-aix52: Same.
5281 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5282 (stmsi[345678]_power): New.
5284 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5286 * config/ia64/ia64.opt: Add empty line to end of file.
5288 2006-03-17 Richard Guenther <rguenther@suse.de>
5290 PR middle-end/26721
5291 * builtins.c (get_pointer_alignment): For component style references
5292 adjust alignment to the component type alignment. Make sure
5293 to adjust alignment for component access of constants.
5295 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5297 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5298 unconditional jump.
5300 2006-03-17 Paul Brook <paul@codesourcery.com>
5302 * doc/install.texi: Docuemnt --with-mode.
5303 * config.gcc: Add --with-mode for arm*-*-*.
5304 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5306 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5308 * sh.c (max_labelno_before_reorg): New variable.
5309 (sh_reorg): Initialize it.
5310 (find_barrier): Check max_labelno_before_reorg before using
5311 label_to_alignment. Take length of explicit alignment insns
5312 into account. When seeing a UNSPECV_CONST_END, return it.
5314 * sh.c (fixup_mova): Set mode of affected label to QImode.
5315 (untangle_mova): New function.
5316 (find_barrier): Use it. Check mode of label before decrementing
5317 num_mova.
5318 (sh_reorg): Likewise.
5319 Set mode of all insns back to VOIDmode.
5321 * sh.c (MOVA_LABELREF): New macro.
5322 (mova_p, fixup_mova, sh_reorg): Use it.
5323 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5324 ADDR_DIFF_VEC matches mova.
5326 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5328 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5329 with ATTRIBUTE_UNUSED.
5331 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5333 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5334 pointer, instead of assuming it is possible to derive the
5335 correct args size from a call insn.
5337 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5339 * rtl.h (CONST_INT_P): Define.
5340 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5341 instead of GET_CODE(x) == CONST_INT.
5342 (vax_rtx_costs): Likewise.
5343 (vax_output_int_move): Likewise.
5344 (vax_output_int_add): Likewise.
5345 (legitimate_constant_address_p): Likewise.
5346 (index_term_p): Likewise.
5347 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5348 * config/vax/vax.md (and<mode>3): Likewise.
5349 (ashrsi3): Likewise.
5350 (extv): Likewise.
5351 (movstricthi): Likewise.
5352 (movstrictqi): Likewise.
5353 (rotrsi3): Likewise.
5354 (five unnamed insns): Likewise.
5356 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5358 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5359 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5360 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5361 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5362 Pass to ASM_OUTPUT_DWARF_OFFSET.
5363 * dwarf2out.c (debug_frame_section): New.
5364 (output_call_frame_info): Use debug_frame_section. Pass it to
5365 dw2_asm_output_offset.
5366 (output_die): Pass appropriate section to dw2_asm_output_offset.
5367 (output_compilation_unit_header): Likewise.
5368 (output_pubnames): Likewise.
5369 (output_aranges): Likewise.
5370 (enum dw_val_class): Break dw_val_class_lbl_offset into
5371 dw_val_class_lineptr and dw_val_class_macptr.
5372 (add_AT_lbl_offset): Delete.
5373 (add_AT_lineptr): New.
5374 (add_AT_macptr): New.
5375 (AT_lbl): Expect a lineptr or macptr.
5376 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5377 (attr_checksum): Likewise.
5378 (same_dw_val_p): Likewise.
5379 (size_of_die): Likewise.
5380 (value_format): Likewise.
5381 (output_die): Likewise.
5382 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5383 add_AT_lbl_offset.
5384 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5385 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5386 * config/darwin-protos.h (darwin_file_start): New.
5387 (darwin_asm_output_dwarf_offset): New.
5388 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5389 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5390 darwin_file_start.
5391 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5392 if not EH section; simplify.
5393 (darwin_file_start): New.
5394 (darwin_asm_output_dwarf_offset): New.
5395 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5396 mark as 'debug'.
5397 (DEBUG_INFO_SECTION): Likewise.
5398 (DEBUG_ABBREV_SECTION): Likewise.
5399 (DEBUG_ARANGES_SECTION): Likewise.
5400 (DEBUG_MACINFO_SECTION): Likewise.
5401 (DEBUG_LINE_SECTION): Likewise.
5402 (DEBUG_LOC_SECTION): Likewise.
5403 (DEBUG_PUBNAMES_SECTION): Likewise.
5404 (DEBUG_STR_SECTION): Likewise.
5405 (DEBUG_RANGES_SECTION): Likewise.
5406 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5407 (ASM_OUTPUT_DWARF_OFFSET): New.
5409 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5411 * config.gcc (tm_defines): Always add to previous value rather
5412 than replacing it.
5414 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5416 * config/mips/predicates.md (splittable_const_int_operand): New,
5417 split from move_operand.
5418 (splittable_symbolic_operand): New.
5419 (move_operand): Add commentary. Use splittable_const_int_operand.
5420 Inline mips_atomic_symbolic_constant_p.
5421 * config/mips/mips.md: Add combine splitters for handling moves
5422 of splittable_const_int_operands and splittable_symbolic_operands.
5423 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5424 (mips_split_symbol): Declare.
5425 (mips_move_integer): Declare.
5426 * config/mips/mips.c (mips_split_p): Make global.
5427 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5428 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5429 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5430 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5431 (mips_offset_within_object_p): Handle block symbols.
5432 (mips_atomic_symbolic_constant_p): Delete.
5433 (mips_cannot_force_const_mem): Return false for constants that
5434 mips_legitimize_move can handle.
5435 (mips_use_blocks_for_constant_p): New function.
5436 (mips_split_symbol): Make global.
5437 (mips_move_integer): Likewise. Add a temporary register argument.
5438 (mips_legitimize_const_move): Use splittable_const_int_operand and
5439 splittable_symbolic_operand.
5440 (mips_use_anchors_for_symbol_p): New function.
5441 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5442 (mips_split_p): Declare.
5444 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5446 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5447 (mips*-*-linux*): Likewise.
5449 2006-03-16 Roger Sayle <roger@eyesopen.com>
5450 Daniel Speyer <dspeyer@wam.umd.edu>
5452 PR middle-end/18259
5453 * tree-dump.c (dump_real): New function.
5454 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5455 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5456 (tree-dump.o): Add $(REAL_H) to the dependencies.
5458 2006-03-16 Roger Sayle <roger@eyesopen.com>
5460 PR middle-end/21781
5461 * real.c (real_from_string): If the mantissa is zero, don't bother
5462 parsing the exponent as the result should always be zero.
5464 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5466 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5468 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5470 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5471 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5472 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5473 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5474 ia64_sched_finish_global): New static functions to implement
5475 hooks from gcc_target.sched.
5476 (spec_check_no, max_uid, pending_data_specs): New static variables.
5477 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5478 ia64_spec_check_src_p): New static functions.
5479 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5480 (TARGET_SCHED_ADJUST_COST): Removed.
5481 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5482 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5483 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5484 TARGET_SCHED_GEN_CHECK,
5485 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5486 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5487 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5488 Fixed to handle speculation checks.
5489 (rtx_needs_barrier): Fixed to handle speculative loads and
5490 their checks.
5491 (ia64_variable_issue): Added code to count speculative loads and their
5492 checks.
5493 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5494 speculative loads.
5495 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5496 New enumerations.
5497 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5498 New constants.
5499 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5500 (ia64_reorg): Reset stops_p to NULL after it is freed.
5501 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5502 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5503 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5504 chk_a.
5505 (data_speculative, control_speculative, check_load): New attributes.
5506 (mov<mode>_advanced, mov<mode>_speculative,
5507 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5508 zero_extend<mode>di2_speculative,
5509 zero_extend<mode>di2_speculative_advanced): New patterns for
5510 data and control speculative loads.
5511 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5512 check loads.
5513 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5514 New pattern for data and control speculation checks.
5515 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5516 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5517 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5518 Auxiliary definitions for the patterns.
5519 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5520 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5521 constraints.
5522 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5523 for speculation.
5524 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5525 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5526 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5527 New resource constraints.
5528 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5529 for speculation.
5530 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5531 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5532 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5533 msched-in-control-spec, msched-ldc, msched-control-ldc,
5534 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5535 msched-prefer-non-control-spec-insns,
5536 msched-count-spec-in-critical-path): New flags to tune speculative
5537 scheduling.
5538 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5539 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5540 msched-in-control-spec, msched-ldc, msched-control-ldc,
5541 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5542 msched-prefer-non-control-spec-insns,
5543 msched-count-spec-in-critical-path): Document new flags.
5545 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5547 * target.h (struct spec_info_def): New opaque declaration.
5548 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5549 speculate_insn, needs_block_p, gen_check,
5550 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5551 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5552 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5553 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5554 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5555 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5556 gcc_target.sched.
5557 (TARGET_SCHED): Use new macros.
5558 * rtl.h (copy_DEPS_LIST_list): New prototype.
5559 * sched-int.h (struct sched_info): Change signature of new_ready field,
5560 adjust all initializations. New fields: add_remove_insn,
5561 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5562 region_head_or_leaf_p.
5563 (struct spec_info_def): New structure declaration.
5564 (spec_info_t): New typedef.
5565 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5566 recovery_block, orig_pat.
5567 (glat_start, glat_end): New variables declaraions.
5568 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5569 New access macros.
5570 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5571 DETACH_LIFE_INFO, USE_GLAT.
5572 (enum SPEC_SCHED_FLAGS): New enumeration.
5573 (NOTE_NOTE_BB_P): New macro.
5574 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5575 attach_life_info, debug_spec_status, check_reg_live): New functions.
5576 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5577 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5578 sched-ebb.c
5579 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5580 * ddg.c (get_block_head_tail): Adjust all uses.
5581 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5582 (sms_sched_info): Initialize new fields.
5583 (contributes_to_priority): Removed.
5584 * haifa-sched.c (params.h): New include.
5585 (get_block_head_tail): Adjust all uses.
5586 (ISSUE_POINTS): New macro.
5587 (glat_start, glat_end): New global variables.
5588 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5589 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5590 old_last_basic_block, before_recovery, current_sched_info_var,
5591 rgn_n_insns, luid): New static variables.
5592 (insn_cost1): New function. Move logic from insn_cost to here.
5593 (find_insn_reg_weight1): New function. Move logic from
5594 find_insn_reg_weight to here.
5595 (reemit_notes, move_insn, max_issue): Change signature.
5596 (move_insn1): Removed.
5597 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5598 extend_bb): New static functions to support extension of scheduler's
5599 data structures.
5600 (generate_recovery_code, process_insn_depend_be_in_spec,
5601 begin_speculative_block, add_to_speculative_block,
5602 init_before_recovery, create_recovery_block, create_check_block_twin,
5603 fix_recovery_deps): New static functions to support
5604 generation of recovery code.
5605 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5606 restore_bb_notes, move_block_after_check, move_succs): New static
5607 functions to support ebb scheduling.
5608 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5609 functions to support handling of register live information.
5610 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5611 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5612 add_jump_dependencies): New static functions.
5613 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5614 consistancy checking.
5615 (debug_spec_status): New function to call from debugger.
5616 (priority): Added code to handle speculation checks.
5617 (rank_for_schedule): Added code to distinguish speculative instructions.
5618 (schedule_insn): Added code to handle speculation checks.
5619 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5620 Fixed to handle ebbs.
5621 (move_insn): Added code to handle ebb scheduling.
5622 (max_issue): Added code to use ISSUE_POINTS of instructions.
5623 (choose_ready): Added code to choose between speculative and
5624 non-speculative instructions.
5625 (schedule_block): Added code to handle ebb scheduling and scheduling of
5626 speculative instructions.
5627 (sched_init): Initialize new variables.
5628 (sched_finish): Free new variables. Print statistics.
5629 (try_ready): Added code to handle speculative instructions.
5630 * lists.c (copy_DEPS_LIST_list): New function.
5631 * sched-deps.c (extend_dependency_caches): New function. Move logic
5632 from create_dependency_caches to here.
5633 (get_dep_weak, ds_merge): Make global.
5634 * genattr.c (main): Code to output prototype for
5635 dfa_clear_single_insn_cache.
5636 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5637 (output_dfa_clean_insn_cache_func): Code to output
5638 dfa_clear_single_insn_cache function.
5639 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5640 n_insns.
5641 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5642 Removed.
5643 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5644 New static variables.
5645 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5646 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5647 struct sched_info.
5648 (ebb_sched_info): Initialize new fields.
5649 (get_block_head_tail): Adjust all uses.
5650 (compute_jump_reg_dependencies): Fixed to use glat_start.
5651 (schedule_ebb): Code to remove unreachable last block.
5652 (schedule_ebbs): Added code to update register live information.
5653 * sched-rgn.c (region_sched_info): Initialize new fields.
5654 (get_block_head_tail): Adjust all uses.
5655 (last_was_jump): Removed. Adjust users.
5656 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5657 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5658 Implement new hooks.
5659 (check_dead_notes1): New static function.
5660 (struct region): New fields: dont_calc_deps, has_real_ebb.
5661 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5662 (BB_TO_BLOCK): Fixed to handle EBBs.
5663 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5664 (ebb_head): New static variable.
5665 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5666 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5667 new fields.
5668 (compute_dom_prob_ps): New assertion.
5669 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5670 global_live_at_start.
5671 (init_ready_list): New assertions.
5672 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5673 (new_ready): Add support for BEGIN_CONTROL speculation.
5674 (schedule_insns): Fixed code that updates register live information
5675 to handle EBBs.
5676 (schedule_region): Fixed to handle EBBs.
5677 (init_regions): Use extend_regions and check_dead_notes1.
5678 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5679 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5680 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5681 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5682 TARGET_SCHED_GEN_CHECK,
5683 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5684 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5685 * doc/invoke.texi (max-sched-insn-conflict-delay,
5686 sched-spec-prob-cutoff): Document.
5688 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5690 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5691 inter_tick, queue_index.
5692 (struct sched_info): Change signature of init_ready_list field.
5693 Adjust all initializations.
5694 (RESOLVED_DEPS): New access macro.
5695 (ready_add): Remove prototype.
5696 (try_ready): Add prototype.
5697 * sched-rgn.c (init_ready_list): Use try_ready.
5698 (schedule_region): Initialize
5699 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5700 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5701 (init_ready_list): Use try_ready.
5702 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5703 * lists.c (remove_list_elem): Remove `static'.
5704 (remove_free_INSN_LIST_elem): New function.
5705 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5706 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5707 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5708 New constants.
5709 (readyp): New variable.
5710 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5711 change_queue_index, resolve_dep): New static functions.
5712 (try_ready): New function. Adjust callers in sched-rgn.c and
5713 sched-ebb.c to use it instead of ready_add.
5714 (clock_var): Move at the begining of file.
5715 (rank_for_schedule): Fix typo.
5716 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5717 (ready_lastpos): Enforce assertion.
5718 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5719 update all callers.
5720 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5721 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5722 (queue_to_ready): Use free_INSN_LIST_list.
5723 (early_queue_to_ready): Fix typo.
5724 (schedule_block): Init readyp. Move init_ready_list call after the
5725 initialization of clock_var. Fix error in rejecting insn by
5726 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5727 that previously corrected INSN_TICKs. Add code for handling
5728 QUEUE_INDEX.
5729 (set_priorities): Fix typo.
5730 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5731 Clarify comment and code that keeps current_sched_info->next_tail
5732 non-null.
5734 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5736 * sched-rgn.c (extend_rgns): New static function.
5737 (find_rgns): Use it.
5738 (gather_region_statistics, print_region_statistics): New static
5739 functions.
5740 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5741 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5743 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5744 Andrey Belevantsev <abel@ispras.ru>
5746 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5747 * lists.c (unused_deps_list): New variable.
5748 (free_list): Add assertions to verify the proper distinguishing
5749 between INSN_LISTs and DEPS_LISTs.
5750 (find_list_elem, remove_list_elem, remove_list_node): New static
5751 functions.
5752 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5753 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5754 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5755 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5756 an INSN_LIST.
5757 (free_INSN_LIST_node): Likewise.
5758 * modulo-sched.c (current_sched_info): Initialize flags field.
5759 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5760 * rtl.def (DEPS_LIST): Define.
5761 * rtl.h: Declare new functions from lists.c.
5762 * sched-deps.c (spec_dependency_cache): New static variable.
5763 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5764 (add_dependence): Change return type to void. Move the logic to ...
5765 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5766 (delete_all_dependences): Add comment about forward_dependency_cache.
5767 Handle spec_dependency_cache. Handle DEPS_LISTs.
5768 (fixup_sched_groups): Clarify the change of priority of output
5769 and anti dependencies.
5770 (sched_analyze_2): Adjust add_dependence calls to create data
5771 speculative dependence.
5772 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5773 Adjust all callers. Handle DEPS_LISTS.
5774 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5775 presence of speculation.
5776 (init_dependency_caches, free_dependency_caches):
5777 Handle spec_dependency_cache.
5778 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5779 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5780 New static functions.
5781 (add_or_update_back_dep, add_or_update_back_forw_dep,
5782 add_back_forw_dep, delete_back_forw_dep): New functions.
5783 * sched-int.h (ds_t, dw_t): New typedefs.
5784 (struct sched_info): Add new field flags.
5785 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5786 Prototype new sched-deps.c functions.
5787 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5788 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5789 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5790 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5791 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5792 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5793 New constants.
5794 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5795 New enums.
5796 * sched-rgn.c (current_sched_info): Initialize flags field.
5797 (schedule_insns): Initialize current_sched_info before the sched_init
5798 call.
5799 * sched-ebb.c (current_sched_info): Initialize flags field.
5800 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5801 Call add_or_update_back_dep instead of add_dependence.
5802 Create control speculative dependencies.
5803 (schedule_insns): Initialize current_sched_info before the sched_init
5804 call.
5806 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5808 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5809 fs->signal_frame.
5810 (sh_fallback_frame_state): Likewise.
5812 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5814 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5815 Do switch on default_use_cxa_atexit.
5816 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5817 * config/darwin-crt3.o: New.
5818 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5819 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5820 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5821 OS version.
5822 * config/rs6000/t-darwin: Move crt2.o building to here.
5823 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5824 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5825 of __cxa_atexit.
5827 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5829 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5830 from '! xxx' to '!xxx' for coding-style conformance.
5831 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5832 (EXTRA_CONSTRAINT): Likewise.
5833 * config/vax/vax.md (four unnamed insns): Likewise.
5835 2006-03-15 Paul Brook <paul@codesourcery.com>
5837 * config/arm/arm.c (minipool_pad): New.
5838 (add_minipool_forward_ref): Include pool alignment padding in address
5839 calculation.
5840 (push_minipool_fix): Set minipool_pad.
5841 (minipool_pad): Ditto.
5843 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5845 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5846 instead of GET_CODE() == MEM and REG_P() instead of
5847 GET_CODE() == REG.
5848 (print_operand_address): Likewise.
5849 (vax_address_cost): Likewise.
5850 (vax_rtx_costs): Likewise.
5851 (vax_notice_update_cc): Likewise.
5852 (vax_output_int_add): Likewise.
5853 (INDEX_REGISTER_P): Likewise.
5854 (BASE_REGISTER_P): Likewise.
5855 (nonindexed_address_p): Likewise.
5856 (vax_mode_dependent_address_p): Likewise.
5857 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5858 (PRINT_OPERAND): Likewise.
5859 * config/vax/vax.md (ashlsi3): Likewise.
5860 (ashlsi3): Likewise.
5861 (some more unnamed insns): Likewise.
5863 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5865 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5866 iterator-style macro.
5867 (mark_control_dependent_edges_necessary): Update the use of
5868 EXECUTE_IF_CONTROL_DEPENDENT.
5870 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5872 * config/sh/predicates.md (cache_address_operand): Special.
5873 (ua_address_operand): Likewise.
5875 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5877 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5878 loop notes.
5879 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5881 2006-03-15 Andreas Schwab <schwab@suse.de>
5883 * gensupport.c (identify_predicable_attribute): Don't free p_false
5884 when it is still in use.
5886 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5888 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5889 the default setting here.
5891 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5893 * tree-pass.h (pass_cfg): Remove.
5894 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5895 * passes.c (pass_cfg): Don't run it.
5897 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5899 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5900 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5901 VEC(char,heap) *.
5902 (stack_regs_mentioned): Update the uses of
5903 stack_regs_mentioned_data. Don't access the array beyond its
5904 end.
5905 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5906 Don't include gt-reg-stack.h.
5908 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5909 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5911 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5913 PR middle-end/26684
5914 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5915 STACK_REGS.
5917 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5919 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5921 2006-03-14 Richard Guenther <rguenther@suse.de>
5923 PR tree-optimization/26672
5924 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5925 SSA form.
5927 2006-03-14 Richard Guenther <rguenther@suse.de>
5929 PR tree-optimization/26667
5930 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5931 node for the callees. Always allow inlining if it will shrink
5932 the function size.
5934 2006-03-14 Richard Guenther <rguenther@suse.de>
5936 PR middle-end/26659
5937 * builtins.c (get_pointer_alignment): Prefer alignment
5938 information from decls over that from types.
5940 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5942 PR target/26657
5943 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5945 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5947 * config/rs6000/rs6000.opt (mdlmzb): New option.
5948 (msched-prolog, msched-epilog): Use Var not Mask.
5949 * doc/invoke.texi (-mdlmzb): Document.
5950 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5951 MASK_SCHED_PROLOG.
5952 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5953 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5955 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5957 PR rtl-optimization/25739
5958 * bt-load.c (augment_live_range): Free tos pointer.
5960 * gensupport.c (identify_predicable_attribute): Free
5961 p_false pointer.
5962 * gcov.c (create_file_names): Free name pointer.
5964 2006-03-13 Roger Sayle <roger@eyesopen.com>
5966 PR middle-end/26557
5967 * stmt.c (emit_case_nodes): Handle the case where the index is a
5968 CONST_INT, where the comparison mode is specified by the index type.
5970 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5972 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5973 is defined.
5975 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5977 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5978 (*branch_fp_inverted): Likewise.
5980 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5982 PR middle-end/25989
5983 * omp-low.c (expand_omp_for_generic): Mark istart0
5984 and iend0 as addressable.
5986 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5988 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5990 2006-03-13 Jeff Law <law@redhat.com>
5992 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5993 virtual operands are interesting.
5994 (vrp_visit_stmt): Corresponding changes.
5996 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5998 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5999 of RETS.
6000 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6001 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6002 * config/bfin/crti.S: Use it instead of __PIC__.
6003 * config/bfin/crtn.S: Likewise.
6005 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6006 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6007 not if flag_pic.
6008 Lose 'G' modifier for call operand.
6009 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6010 recognize 'G' modifier.
6012 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6014 PR middle-end/18859
6015 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6016 * stmt.c (expand_case): Likewise.
6018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6020 PR rtl-optimization/26254
6021 * loop-invariant.c (seq_insns_valid_p): New function.
6022 (move_invariant_reg): Only emit new code if it is valid.
6024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6026 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6027 Removed.
6028 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6029 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6030 (commit_one_edge_insertion): Do not look for loop notes.
6032 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6034 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6035 flag_test_coverage out of loop.
6037 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6039 * final.c (shorten_branches): Remove outdated comment, and turn
6040 the if branch that guards it to continue.
6042 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6044 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6045 * cfgloop.h (struct loop): Remove unused fields.
6047 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6049 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6050 (-dL, -fdump-rtl-loop2): Update the dump file names
6052 * doc/invoke.texi: Update dump file names.
6054 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6056 * predict.c (estimate_probability): Remove.
6057 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6058 * basic-block.h (estimate_probability): Remove prototype.
6059 * passes.c (finish_optimization_passes): Dump branch prediction or
6060 profiling heuristics to the .profile tree dump.
6061 (init_optimization_passes): Unqueue pass_branch_prob.
6063 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6065 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6067 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6068 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6070 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6072 * function.h (frame_offset_overflow): Declare.
6073 * function.c (frame_offset_overflow): New function.
6074 (assign_stack_local_1): Call it to detect that the offset overflows.
6075 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6077 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6079 * config/sh/sh.c: Include alloc-pool.h.
6080 (label_ref_list_pool): New alloc pool.
6081 (label_ref_list_t): New type for lists of labels.
6082 (struct pool_node): Make wend a label_ref_list_t.
6083 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6084 references.
6085 (dump_table): Likewise.
6086 (sh_reorg): Set up the alloc pool before using add_constant and
6087 dump_table, and destroy it when finishing.
6089 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6091 * config/mips/mips.c: Remove redundant comment.
6093 2006-03-10 Jason Merrill <jason@redhat.com>
6095 PR c/26004
6096 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6097 the target was declared 'register'.
6099 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6101 * genpreds.c (write_insn_constraint_len): Change definition of
6102 insn_constraint_len to return size_t to match the declaration.
6104 2006-03-10 DJ Delorie <dj@redhat.com>
6106 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6107 start at zero.
6108 (m32c_expand_insv): Fix test for an AND mask.
6110 2006-03-10 Richard Guenther <rguenther@suse.de>
6112 PR middle-end/26565
6113 * builtins.c (get_pointer_alignment): Handle component
6114 references for field alignment.
6116 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6118 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6119 when building with libgloss.
6120 (sh*elf): Implement --without-fp option.
6121 (sh64-superh-linux*): Don't multilib.
6123 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6125 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6127 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6129 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6130 Set it when one of the replacement functions returned true.
6131 Return TODO_cleanup_cfg if cfgchanged is true.
6132 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6134 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6136 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6137 instead of gen_lowpart.
6139 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6141 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6142 interface.
6143 (mips_output_order_conditional_branch): Declare.
6144 * config/mips/mips.h (MIPS_BRANCH): New macro.
6145 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6146 for the comparison. Use gen_condjump.
6147 (mips_output_conditional_branch): Rework interface to take the
6148 asm templates for a direct branch and the inverse of a direct branch.
6149 (mips_output_order_conditional_branch): New function.
6150 (mips_builtin_branch_and_move): New function.
6151 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6152 branch condition. Use gen_single_cc as the condition for
6153 __builtin_mips_upper_* or __builtin_mips_lower_*.
6154 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6155 Use VOIDmode for the branch condition.
6156 * config/mips/predicates.md (order_operator): New predicate.
6157 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6158 (branch_fp): Rename to...
6159 (*branch_fp): ...this. Remove mode from comparison operator.
6160 Use new mips_output_conditional_branch interface.
6161 (branch_fp_inverted): Rename to...
6162 (*branch_fp_inverted): ...this and update as for *branch_fp.
6163 (*branch_zero<mode>): Rename to...
6164 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6165 Use mips_output_order_conditional_branch. Only accept ordered
6166 comparisons.
6167 (*branch_zero<mode>_inverted): Rename to...
6168 (*branch_order<mode>_inverted): ...this and update as for
6169 *branch_order<mode>.
6170 (*branch_equality<mode>): Accept zero as the second operand to
6171 the equality operator. Use the new mips_output_conditional_branch
6172 interface.
6173 (*branch_equality<mode>_inverted): Likewise.
6174 (condjump): New expander.
6175 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6176 operator.
6177 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6178 (bc1any2t, bc1any2f): Likewise.
6179 (single_cc): New expander.
6180 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6182 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6184 * doc/md.texi: Update documentation of MIPS constraints.
6185 * config/mips/constraints.md: New file.
6186 * config/mips/mips.md: Include it.
6187 * config/mips/mips.c (mips_char_to_class): Delete.
6188 (override_options): Don't initialize mips_char_to_class.
6189 * config/mips/mips.h (mips_char_to_class): Delete.
6190 (REG_CLASS_FROM_LETTER): Delete.
6191 (CONST_OK_FOR_LETTER_P): Delete.
6192 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6193 (EXTRA_CONSTRAINT_Y): Delete.
6194 (EXTRA_CONSTRAINT_STR): Delete.
6195 (CONSTRAINT_LEN): Delete.
6196 (EXTRA_MEMORY_CONSTRAINT): Delete.
6198 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6200 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6201 original fn's eh regions.
6203 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6205 * fold-const.c (build_range_check): Make sure to use a valid type to
6206 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6207 transformation.
6209 (range_predecessor): New static function.
6210 (range_successor): Likewise.
6211 (merge_ranges): Use them to compute predecessors and successors of
6212 range bounds.
6214 2006-03-09 Roger Sayle <roger@eyesopen.com>
6216 PR middle-end/26561
6217 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6218 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6220 2006-03-08 DJ Delorie <dj@redhat.com>
6222 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6223 (addpsi3): Expand to include memory operands. Remove
6224 reload-specific splits.
6225 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6226 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6227 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6228 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6229 (shift1_qi, shift1_hi, insv): New.
6230 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6231 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6232 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6233 cond_to_int): New.
6234 * config/m32c/m32c-protos.h: Update as needed.
6235 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6236 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6237 Fail for unrecognized R* constraints.
6238 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6239 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6240 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6241 Add Sp constraint.
6242 (m32c_init_libfuncs): New.
6243 (m32c_legitimate_address_p): Add debug wrapper.
6244 (m32c_rtx_costs): New.
6245 (m32c_address_cost): New.
6246 (conversions): Add 'B' prefix.
6247 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6248 operands, or word regnames for QI operands. 'B' prints bit
6249 position.
6250 (m32c_expand_setmemhi): New.
6251 (m32c_expand_movmemhi): New.
6252 (m32c_expand_movstr): New.
6253 (m32c_expand_cmpstr): New.
6254 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6255 (m32c_expand_neg_mulpsi3): Handle non-ints.
6256 (m32c_cmp_flg_0): New.
6257 (m32c_expand_movcc): New.
6258 (m32c_expand_insv): New.
6259 (m32c_scc_pattern): New.
6260 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6261 a0/a1 out of SIregs.
6262 (STORE_FLAG_VALUE): New.
6263 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6264 code macros.
6265 (no_insn): New.
6266 * config/m32c/mov.md: Make constraints more liberal.
6267 (zero_extendqihi2): Optimize r0/r1 case.
6268 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6269 * config/m32c/predicates.md (m32c_any_operand): New.
6270 (m32c_nonimmediate_operand): New.
6271 (m32c_hl_operand): New.
6272 (m32c_r3_operand): New.
6273 (ap_operand): New.
6274 (ma_operand): New.
6275 (memsym_operand): New.
6276 (memimmed_operand): New.
6277 (a_qi_operand): New.
6278 (m32c_eqne_operator): New.
6279 (m32c_1bit8_operand): New.
6280 (m32c_1bit16_operand): New.
6281 (m32c_1mask8_operand): New.
6282 (m32c_1mask16_operand): New.
6283 * config/m32c/blkmov.md: New file.
6284 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6286 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6288 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6289 unsigned to fix signed/unsigned comparison issue in
6290 DWARF2_FRAME_REG_OUT.
6291 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6292 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6294 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6295 of ptr into the ENABLE_CHECKING section.
6297 2006-03-08 Jeff Law <law@redhat.com>
6299 * tree-vrp.c (infer_value_range): Only count pointer uses
6300 and dereferences if -fdelete-null-pointer-checks is enabled.
6302 * tree-vrp.c (find_assert_locations): Infer value ranges for
6303 single use pointers, but do not create ASSERT_EXPRs for them.
6304 When a non-null range is inferred for a pointer, backwards
6305 propagate that range to other equivalent pointers through the
6306 use-def chain.
6308 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6310 PR bootstrap/26500
6311 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6312 language hook targets.
6313 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6314 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6315 if language hook targets were missing.
6317 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6319 * tree-ssa-opfinalize.h: Removed.
6320 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6321 dependency.
6322 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6323 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6324 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6325 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6326 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6327 finalize_ssa_v_must_def_ops): New.
6329 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6331 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6332 block as parameter.
6334 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6336 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6338 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6339 addresses with offsets; reorganize.
6341 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6342 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6343 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6345 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6347 PR target/26588
6348 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6350 2006-03-08 Ben Elliston <bje@au.ibm.com>
6352 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6354 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6356 PR gomp/26238
6357 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6358 expansion.
6360 2006-03-07 Richard Guenther <rguenther@suse.de>
6362 PR tree-optimization/26587
6363 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6365 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6367 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6369 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6371 * hooks.c (hook_bool_mode_rtx_true): New function.
6372 * hooks.h (hook_bool_mode_rtx_true): Declare.
6373 * toplev.c (compile_file): Call output_shared_constant_pool.
6374 * varasm.c (shared_constant_pool): New variable.
6375 (assemble_start_function, assemble_end_function): Remove arguments
6376 from call to output_constant_pool.
6377 (create_constant_pool): New function, split out from...
6378 (init_varasm_status): ...here.
6379 (force_const_mem): Choose between the shared and per-function constant
6380 pools. Set current_function_uses_const_pool when reusing old entries
6381 as well as when creating new ones.
6382 (mark_constant): Ignore data argument.
6383 (mark_constants): Remove pool argument.
6384 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6385 to decide whether the function uses a constant pool.
6386 (output_constant_pool_contents): New function, split out from...
6387 (output_constant_pool): ...here.
6388 (output_shared_constant_pool): New function.
6389 (init_varasm_once): Initialize shared_constant_pool.
6390 * output.h (output_constant_pool): Delete.
6391 (output_shared_constant_pool): Declare.
6392 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6393 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6395 2006-03-06 Nick Clifton <nickc@redhat.com>
6397 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6398 flag_strength_reduce.
6400 2006-03-06 Ben Elliston <bje@au.ibm.com>
6402 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6403 x86_64-*-linux* configurations.
6405 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6406 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6408 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6410 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6411 Remove.
6412 * basic-block.h: Remove the extern for
6413 rediscover_loops_after_threading.
6415 * cfgloop.c (cancel_loop): Make it static.
6416 * cfgloop.h: Remove the prototype for cancel_loop.
6418 * flow.c (recompute_reg_usage): Make it static.
6419 * rtl.h: Remove the prototype for recompute_reg_usage.
6421 * function.c (use_return_register): Make it static.
6422 * function.h: Remove the prototype.
6424 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6426 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6427 Remove.
6428 * recog.h: Remove the prototype for
6429 validate_change_maybe_volatile.
6431 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6433 * rtlanal.c (replace_reg): Remove.
6434 * rtl.h: Remove the prototype for replace_reg.
6436 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6438 * regclass.c (reg_scan_update): Remove.
6439 (reg_scan_mark_refs): Remove the last argument.
6440 * rtl.h: Remove the prototype for reg_scan_update.
6442 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6444 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6445 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6446 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6447 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6448 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6449 loop-invariant.c, omp-low.c, opts.c, passes.c,
6450 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6451 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6452 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6453 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6454 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6455 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6459 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6460 * dwarf2out.h: Remove the prototype for
6461 dwarf2out_add_library_unit_info.
6463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6465 * tree.c (add_var_to_bind_expr): Remove.
6466 * tree.h: Remove the prototype for add_var_to_bind_expr.
6468 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6470 * regclass.c (n_non_fixed_regs): Remove.
6471 (init_reg_sets_1, globalize_reg): Remove all uses of
6472 n_non_fixed_regs.
6473 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6475 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6477 * rtlanal.c (insns_safe_to_move_p): Remove.
6478 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6480 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6482 * expmed.c (expand_mult_add): Remove.
6483 * expr.h: Remove the prototype for expand_mult_add.
6485 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6487 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6488 and REG_SAVED_VAL_EXP constants.
6489 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6490 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6491 Handle regs stored by value.
6492 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6493 (execute_cfa_program): Handle DW_CFA_val_offset,
6494 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6495 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6496 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6497 (uw_install_context_1): Handle target regs stored by value.
6499 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6501 * tree-sra.c (tree_sra): Return todoflags;
6502 (generate_one_element): Set TODO_update_smt_usage if needed.
6503 (pass_sra): Remove TODO_update_smt_usage.
6504 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6505 parameter.
6506 (tree_ssa_forward_propagate_single_use_vars): Return
6507 TODO_update_smt_usage if we need to update SMT usage.
6508 (pass_forwprop): Remove TODO_update_smt_usage.
6510 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6512 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6513 (correct_use_link): Remove reference to get_stmt_operands.
6514 (update_stmt_operands): Likewise.
6515 (get_modify_expr_operands): New function factored out of
6516 parse_ssa_operands and get_expr_operands.
6517 Try to create V_MUST_DEFs for LHS by default.
6518 (get_expr_operands) <case MODIFY_EXPR>: Call
6519 get_modify_expr_operands.
6520 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6521 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6522 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6523 get_modify_expr_operands.
6525 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6527 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6528 * tree-flow.h: Remove the prototype for
6529 referenced_var_lookup_if_exists.
6531 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6533 PR rtl-optimization/26345
6534 PR target/19061
6535 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6537 2006-03-03 Roger Sayle <roger@eyesopen.com>
6539 PR tree-optimization/26524
6540 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6541 fold_convert to create a constant of the appropriate type.
6543 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6545 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6546 SYMBOL_REF_IN_BLOCK_P.
6547 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6548 of SYMBOL_FLAG_IN_BLOCK.
6549 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6550 instead of SYMBOL_REF_IN_BLOCK_P.
6551 * explow.c (use_anchored_address): Likewise.
6552 * rtl.c (rtx_size): Likewise.
6553 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6554 instead of SYMBOL_FLAG_IN_BLOCK.
6555 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6556 SYMBOL_REF_IN_BLOCK_P.
6557 (assemble_variable): Likewise.
6558 (output_constant_def_contents): Likewise.
6559 (output_constant_pool): Likewise.
6560 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6561 instead of SYMBOL_FLAG_IN_BLOCK.
6562 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6563 SYMBOL_REF_IN_BLOCK_P.
6564 (SYMBOL_REF_BLOCK): Likewise.
6565 (SYMBOL_REF_OFFSET): Likewise.
6566 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6567 SYMBOL_REF_IN_BLOCK_P.
6568 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6569 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6570 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6571 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6573 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6575 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6577 2006-03-02 Roger Sayle <roger@eyesopen.com>
6579 * simplify-rtx.c (simplify_unary_operation): When simplifying
6580 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6581 that we perform the right shift in the appropriate mode, and
6582 then extend or truncate the result to requested mode.
6584 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6586 * gengtype.c (main): Handle double_int type.
6587 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6588 * double-int.c: New file.
6589 * double-int.h: New file.
6590 * system.h: Include doubleint.h.
6591 * Makefile.in (SYSTEM_H): Include double-int.h.
6592 (double-int.o): Add.
6594 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6596 PR bootstrap/26478
6597 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6598 copying over it.
6600 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6602 * tree-vrp.c (remove_range_assertions): Do not update statements
6603 unnecessarily.
6605 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6607 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6608 cleanup.
6609 * gcse.c (rest_of_handle_gcse): Ditto.
6610 * except.c (gate_handle_eh): Ditto.
6611 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6612 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6614 2006-03-02 Eric Christopher <echristo@apple.com>
6616 * config/i386/i386.c (machopic_output_stub): Add indirection to
6617 jump.
6619 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6621 * loop.c: Removed.
6623 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6625 Sun Niagara specific optimizations.
6626 * config.gcc: Recognize niagara as target.
6627 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6628 (TARGET_CPU_niagara): Define.
6629 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6630 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6631 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6632 (ASM_CPU_SPEC): Likewise.
6633 (PROCESSOR_NIAGARA): New enum entry.
6634 (REGISTER_MOVE_COST): Handle Niagara.
6635 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6636 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6637 (sparc_override_options): Recognize "niagara", set appropriate
6638 default MASK_* values for it, and align functions to 32-bytes
6639 by default just like ULTRASPARC/ULTRASPARC3.
6640 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6641 (sparc64_initialize_trampoline): Likewise.
6642 (sparc_use_sched_lookahead): Use zero for niagara.
6643 (sparc_issue_rate): Use one for niagara.
6644 * config/sparc/niagara.md: New file.
6645 * config/sparc/sparc.md: Include it.
6646 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6647 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6648 when default cpu is niagara.
6649 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6650 (ASM_CPU_SPEC): Likewise.
6651 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6652 when default cpu is niagara.
6653 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6654 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6655 just like v9/ultrasparc/ultrasparc3.
6656 * doc/invoke.texi: Add documentation for "niagara" and improve
6657 existing documentation for ultrasparc variants.
6659 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6661 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6663 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6665 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6666 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6667 and say that only one is needed.
6668 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6669 * target.h (have_switchable_bss_sections): New hook.
6670 * explow.c (use_anchored_address): Check that the symbol is in a block.
6671 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6672 (bss_noswitch_section): New variables.
6673 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6674 (get_noswitch_section): New function.
6675 (get_block_for_section): Allow SECT to be null.
6676 (unlikely_text_section_p): Use SECTION_STYLE.
6677 (bss_initializer_p): New function.
6678 (get_variable_section): Move earlier in file. Take a new argument,
6679 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6680 Return one of the new *_sections in such cases.
6681 (get_block_for_decl): New function, extracting some logic from
6682 use_blocks_for_decl_p.
6683 (change_symbol_section): Remove in favor of...
6684 (change_symbol_block): ...this new function.
6685 (use_blocks_for_decl_p): Remove checks now performed by
6686 get_block_for_decl.
6687 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6688 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6689 (emit_local, emit_bss, emit_common): ...these new functions.
6690 Return true if the alignment was honored.
6691 (emit_tls_common): New function.
6692 (asm_emit_uninitialised): Delete.
6693 (assemble_variable_noswitch): New function, split out from...
6694 (assemble_variable): ...here. Don't make decisions about common
6695 variables here. Globalize all public decls that go into non-common
6696 sections. Check whether SYMBOL_REF_BLOCK is null.
6697 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6698 (output_constant_pool): Likewise.
6699 (init_varasm_once): Initialize the new section variables.
6700 (have_global_bss_p): New function.
6701 (categorize_decl_for_section): Use bss_initializer_p.
6702 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6703 (place_block_symbol): Assert that the symbol must be in a block.
6704 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6705 (TARGET_INITIALIZER): Include it.
6706 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6707 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6708 (SECTION_MACH_DEP): Bump by two.
6709 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6710 (unnamed_section): Mention SECTION_UNNAMED in comment.
6711 (named_section): Likewise SECTION_NAMED.
6712 (noswitch_section_callback): New type.
6713 (noswitch_section): New structure.
6714 (section): Add a noswitch_section alternative.
6715 (SECTION_STYLE): New macro.
6716 (tls_comm_section, comm_section, lcomm_section): Declare.
6717 (bss_noswitch_section, have_global_bss_p): Declare.
6718 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6719 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6720 Override.
6721 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6722 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6723 Override.
6725 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6727 * tree-vrp.c (execute_vrp): Return value.
6728 * regrename.c (rest_of_handle_regrename): Ditto.
6729 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6730 * tree-complex.c (tree_lower_complex): Ditto.
6731 (tree_lower_complex_O0): Ditto.
6732 * tracer.c (rest_of_handle_tracer): Ditto.
6733 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6734 * postreload.c (rest_of_handle_postreload): Ditto.
6735 * tree-tailcall.c (execute_tail_recursion): Ditto.
6736 (execute_tail_calls): Ditto.
6737 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6738 * tree.h (init_function_for_compilation): Ditto.
6739 * ipa-cp.c (ipcp_driver): Ditto.
6740 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6741 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6742 * final.c (compute_alignments): Ditto.
6743 (rest_of_handle_final): Ditto.
6744 (rest_of_handle_shorten_branches): Ditto.
6745 (rest_of_clean_state): Ditto.
6746 * omp-low.c (execute_expand_omp): Ditto.
6747 (execute_lower_omp): Ditto.
6748 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6749 * ipa-reference.c (static_execute): Ditto.
6750 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6751 * reorg.c (rest_of_handle_delay_slots): Ditto.
6752 (rest_of_handle_machine_reorg): Ditto.
6753 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6754 * flow.c (recompute_reg_usage): Ditto.
6755 (rest_of_handle_remove_death_notes): Ditto.
6756 (rest_of_handle_life): Ditto.
6757 (rest_of_handle_flow2): Ditto.
6758 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6759 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6760 (do_ssa_store_ccp): Ditto.
6761 (execute_fold_all_builtins): Ditto.
6762 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6763 * modulo-sched.c (rest_of_handle_sms): Ditto.
6764 * ipa-pure-const.c (static_execute): Ditto.
6765 * cse.c (rest_of_handle_cse): Ditto.
6766 (rest_of_handle_cse2): Ditto.
6767 * web.c (rest_of_handle_web): Ditto.
6768 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6769 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6770 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6771 * tree-nrv.c (tree_nrv): Ditto.
6772 (execute_return_slot_opt): Ditto.
6773 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6774 (create_structure_vars): Ditto.
6775 * loop-init.c (rtl_loop_init): Ditto.
6776 (rtl_loop_done): Ditto.
6777 (rtl_move_loop_invariants): Ditto.
6778 (rtl_unswitch): Ditto.
6779 (rtl_unroll_and_peel_loops): Ditto.
6780 (rtl_doloop): Ditto.
6781 * gimple-low.c (lower_function_body): Ditto.
6782 (mark_used_blocks): Ditto.
6783 * tree-ssa-sink.c (execute_sink_code): Ditto.
6784 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6785 (cgraph_early_inlining): Ditto.
6786 * global.c (rest_of_handle_global_alloc): Ditto.
6787 * jump.c (cleanup_barriers): Ditto.
6788 (purge_line_number_notes): Ditto.
6789 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6790 (rest_of_handle_if_after_reload): Ditto.
6791 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6792 (tree_ssa_loop_im): Ditto.
6793 (tree_ssa_loop_unswitch): Ditto.
6794 (tree_vectorize): Ditto.
6795 (tree_linear_transform): Ditto.
6796 (tree_ssa_loop_ivcanon): Ditto.
6797 (tree_ssa_empty_loop): Ditto.
6798 (tree_ssa_loop_bounds): Ditto.
6799 (tree_complete_unroll): Ditto.
6800 (tree_ssa_loop_prefetch): Ditto.
6801 (tree_ssa_loop_ivopts): Ditto.
6802 (tree_ssa_loop_done): Ditto.
6803 * predict.c (tree_estimate_probability): Ditto.
6804 * recog.c (split_all_insns_noflow): Ditto.
6805 (rest_of_handle_peephole2): Ditto.
6806 (rest_of_handle_split_all_insns): Ditto.
6807 * tree-eh.c (lower_eh_constructs): Ditto.
6808 * regmove.c (rest_of_handle_regmove): Ditto.
6809 (rest_of_handle_stack_adjustments): Ditto.
6810 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6811 * function.c (instantiate_virtual_regs): Ditto.
6812 (init_function_for_compilation): Ditto.
6813 (rest_of_handle_check_leaf_regs): Ditto.
6814 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6815 (rest_of_handle_gcse): Ditto.
6816 * ipa-type-escape.c (type_escape_execute): Ditto.
6817 * alias.c (rest_of_handle_cfg): Ditto.
6818 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6819 * profile.c (rest_of_handle_branch_prob): Ditto.
6820 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6821 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6822 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6823 * tree-dfa.c (find_referenced_vars): Ditto.
6824 * except.c (set_nothrow_function_flags): Ditto.
6825 (convert_to_eh_region_ranges): Ditto.
6826 (rest_of_handle_eh): Ditto.
6827 * emit-rtl.c (unshare_all_rtl): Ditto.
6828 (remove_unnecessary_notes): Ditto.
6829 * except.h (set_nothrow_function_flags): Ditto.
6830 (convert_to_eh_region_ranges): Ditto.
6831 * cfgexpand.c (tree_expand_cfg): Ditto.
6832 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6833 * tree-ssa-pre.c (do_pre): Ditto.
6834 (execute_fre): Ditto.
6835 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6836 (rest_of_handle_jump2): Ditto.
6837 * tree-sra.c (tree_sra): Ditto.
6838 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6839 (execute_mudflap_function_decls): Ditto.
6840 * tree-ssa-copy.c (do_copy_prop): Ditto.
6841 (do_store_copy_prop): Ditto.
6842 * ipa-prop.h (ipcp_driver): Ditto.
6843 * cfglayout.c (insn_locators_initialize): Ditto.
6844 * tree-ssa-forwprop.c
6845 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6846 * cfglayout.h (insn_locators_initialize): Ditto.
6847 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6848 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6849 (execute_late_warn_uninitialized): Ditto.
6850 * rtl.h (cleanup_barriers): Ditto.
6851 (split_all_insns_noflow): Ditto.
6852 (purge_line_number_notes): Ditto.
6853 (unshare_all_rtl): Ditto.
6854 (remove_unnecessary_notes): Ditto.
6855 (recompute_reg_usage): Ditto.
6856 (variable_tracking_main): Ditto.
6857 * integrate.c (emit_initial_value_sets): Ditto.
6858 * integrate.h (emit_initial_value_sets): Ditto.
6859 * tree-optimize.c (execute_free_datastructures): Ditto
6860 (execute_free_cfg_annotations): Ditto.
6861 (execute_fixup_cfg): Ditto.
6862 (execute_cleanup_cfg_pre_ipa): Ditto.
6863 (execute_cleanup_cfg_post_optimizing): Ditto.
6864 (execute_init_datastructures): Ditto.
6865 * tree-object-size.c (compute_object_sizes): Ditto.
6866 * combine.c (rest_of_handle_combine): Ditto.
6867 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6868 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6869 (rest_of_handle_reorder_blocks): Ditto.
6870 (rest_of_handle_partition_blocks): Ditto.
6871 * var-tracking.c (variable_tracking_main): Ditto.
6872 * tree-profile.c (tree_profiling): Ditto.
6873 * tree-vect-generic.c (expand_vector_operations): Ditto.
6874 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6875 * sched-rgn.c (rest_of_handle_sched): Ditto.
6876 (rest_of_handle_sched2): Ditto.
6877 * basic-block.h (free_bb_insn): Ditto.
6878 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6879 * tree-cfg.c (execute_build_cfg): Ditto.
6880 (remove_useless_stmts): Ditto.
6881 (split_critical_edges): Ditto.
6882 (execute_warn_function_return): Ditto.
6883 (execute_warn_function_noreturn): Ditto.
6884 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6885 * cfgrtl.c (free_bb_for_insn): Ditto.
6886 * passes.c (execute_one_pass): Run additional
6887 todos returned by execute function.
6888 * tree-pass.h (struct tree_opt_pass): Make execute
6889 return a value.
6891 2006-03-02 Richard Guenther <rguenther@suse.de>
6893 * tree-ssa-alias.c (find_used_portions): Consider taking
6894 the address as making the variable not write-only.
6896 2006-03-02 Nick Clifton <nickc@redhat.com>
6898 * config.gcc (default_use_cxa_atexit): Extend the description of
6899 this configure variable. Set its default value to "yes" for
6900 Linux, NetBSD and ELF targets on the assumption that they will
6901 use C libraries with the __cxa_atexit function.
6903 2006-03-02 Ben Elliston <bje@au.ibm.com>
6905 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6906 parameter as unused to suppress a build warning.
6908 2006-03-02 Ben Elliston <bje@au.ibm.com>
6910 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6911 config/dfp-bit.c.
6913 2006-03-01 Roger Sayle <roger@eyesopen.com>
6915 PR other/26489
6916 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6917 declared name, the weak reference name, and the typeof name.
6918 (__gthrw): Avoid expanding the declared name suffix.
6919 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6921 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6923 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6924 from DWARF 3.
6925 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6926 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6927 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6928 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6929 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6930 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6931 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6932 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6933 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6934 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6935 (DW_END_default, DW_END_big, DW_END_little): New.
6936 (DW_END_lo_user, DW_END_hi_user): Define.
6937 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6938 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6939 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6940 DW_LANG_D): New.
6942 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6944 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6945 Update all users.
6946 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6947 Update all users.
6948 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6949 Update all users.
6950 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6951 Update all users.
6952 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6953 to 'symbol_mem_tag'.
6954 Update all users.
6955 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6956 rename.
6958 2006-03-01 Roger Sayle <roger@eyesopen.com>
6960 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6962 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6964 PR target/25761
6965 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6966 MACHO_DYNAMIC_NO_PIC_P.
6967 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6969 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6971 PR target/26389
6972 * config/darwin-protos.h (darwin_asm_output_anchor):
6973 Declare.
6974 * config/darwin-sections.def (cstring_section):
6975 Add SECTION_MERGE to the flags.
6976 (literal4_section): Likewise.
6977 (literal8_section): Likewise.
6978 (objc_selector_refs_section): Likewise.
6979 (objc_cls_refs_section): Likewise.
6980 * config/darwin.c (darwin_asm_output_anchor): New
6981 function.
6982 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6984 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6986 Fix PR tree-optimization/26443
6987 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6988 to todo and PROP_tmt_usage to properties_destroyed.
6989 * tree-ssa-ccp.c (pass_ccp): Ditto.
6990 (pass_store_ccp): Ditto.
6991 * tree-ssa-dom.c (pass_dominator): Ditto.
6993 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6995 * tree-ssa-operands.c: Cleanup whitespace.
6996 (get_asm_expr_operands): Move before first invocation.
6997 (get_indirect_ref_operands): Likewise.
6998 (get_tmr_operands): Likewise.
6999 (get_call_expr_operands): Likewise.
7000 (append_def): Likewise.
7001 (append_use): Likewise.
7002 (append_v_may_def): Likewise.
7003 (append_v_must_def): Likewise.
7004 (add_call_clobber_ops): Likewise.
7005 (add_call_read_ops): Likewise.
7006 (add_stmt_operand): Likewise.
7007 (add_virtual_operand): Likewise.
7008 (build_ssa_operands): Likewise.
7010 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7012 PR middle-end/26022
7013 Revert:
7014 PR middle-end/24437
7015 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7016 with a call expr to ...
7017 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7019 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7021 * tree-vrp.c (extract_range_from_assert): Remove special
7022 handling for types with super-types.
7024 2006-03-01 Ben Elliston <bje@au.ibm.com>
7026 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7027 and powerpc64-*-linux* configurations.
7028 * config/t-dfprules: New file.
7030 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7031 Compile dfp-bit.c from the source directory using -DWIDTH and
7032 $DFP_CFLAGS to control the compilation of that file, rather than
7033 generating width-specific versions in the build directory.
7034 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7035 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7037 2006-02-28 Zack Weinberg <zackw@panix.com>
7039 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7040 continues to work.
7042 2006-02-28 Eric Christopher <echristo@apple.com>
7044 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7045 Set up IN_LIBGCC definition of TARGET_64BIT.
7046 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7048 2006-02-28 Roger Sayle <roger@eyesopen.com>
7050 PR middle-end/14752
7051 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7052 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7053 cases via the construction of "expr != 0".
7055 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7057 * alias.c (alias_invariant, alias_invariant_size): Remove.
7058 (record_base_value): Remove.
7059 (memrefs_conflict_p): Don't look at alias_invariant.
7060 (end_alias_analysis): Don't free it.
7061 * alias.h (record_base_value): Remove prototype.
7063 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7064 Adam Nemet <anemet@caviumnetworks.com>
7066 * rtl.h (truncated_to_mode): Declare it.
7067 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7068 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7069 (RTL_HOOKS_INITIALIZER): Include it.
7070 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7071 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7072 reg_truncated_to_mode.
7073 * rtlanal.c (truncated_to_mode): Define it.
7074 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7076 2006-02-28 Jeff Law <law@redhat.com>
7078 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7079 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7080 the range allowed by TYPE_PRECISION.
7082 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7084 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7086 PR tree-optimization/26419
7087 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7088 values of n.
7090 2006-02-27 Zack Weinberg <zackw@panix.com>
7092 * doc/md.texi: Fix typo in previous change.
7094 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7096 * df.c: Remove.
7098 2006-02-27 Zack Weinberg <zackw@panix.com>
7100 * rtl.def (define_constraint, define_register_constraint)
7101 (define_memory_constraint, define_address_constraint): New MD forms.
7102 * gensupport.c (process_rtx): Put define_constraint etc on the
7103 predicate queue.
7104 * genpreds.c (process_define_predicate): Adjust comment. Validate
7105 the name, and call validate_exp to validate the expression.
7106 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7107 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7108 all callers changed.
7109 (validate_exp, needs_variable, struct constraint_data)
7110 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7111 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7112 (const_dbl_constraints, constraint_max_namelen)
7113 (have_register_constraints, have_memory_constraints)
7114 (have_address_constraints, have_address_constraints)
7115 (have_extra_constraints, have_const_int_constraints)
7116 (have_const_dbl_constraints, mangle, add_constraint)
7117 (process_define_constraint, process_define_register_constraint)
7118 (write_enum_constraint_num, write_lookup_constraint)
7119 (write_insn_constraint_len, write_regclass_for_constraint)
7120 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7121 (write_insn_extra_memory_constraint)
7122 (write_insn_extra_address_constraint)
7123 (write_satisfies_constraint_fns): New.
7124 (write_tm_preds_h): If we have new-style constraint definitions,
7125 prototype the functions generated from them, and define the
7126 old constraint interface (still used by generic code) in terms of
7127 those functions.
7128 (write_insn_preds_c): If we have new-style constraint definitions,
7129 generate all relevant functions from those definitions.
7130 (main): Handle define_constraint etc.
7131 * genoutput.c (struct constraint_data, indep_constraints)
7132 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7133 (mdep_constraint_len): New data structures and functions, defined
7134 #ifdef USE_MD_CONSTRAINTS.
7135 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7136 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7137 use new logic to validate operand constraints against constraint
7138 definitions.
7139 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7140 defined.
7141 * defaults.h: If none of the old-style constraint macros are
7142 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7143 old-style macros; and poison REG_CLASS_FROM_LETTER,
7144 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7145 EXTRA_CONSTRAINT.
7146 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7147 * doc/md.texi: Document new constraint-definition mechanism and the
7148 C interface it provides. Remove references to old mechanism
7149 elsewhere in the document.
7150 (Machine Constraints): Use pathnames relative to gcc directory,
7151 i.e. config/ARCH/FILE. Change i386 section to refer to
7152 config/i386/predicates.md; update that section to match docstrings.
7153 * doc/tm.texi: Move all documentation of the old constraint-
7154 definition macros to their own section, clearly mark as obsolete.
7156 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7157 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7158 definitions.
7159 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7160 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7161 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7162 constraint strings.
7163 (splits and peepholes): Use satisfies_constraint_*.
7164 * config/i386/i386.c (memory_address_length)
7165 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7167 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7169 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7170 scalar operation to be put back into the loop.
7172 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7174 PR other/26208
7175 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7176 (extract_cie_info): Handle S flag in augmentation string.
7177 (execute_cfa_program): If context->signal_frame, execute also
7178 fs->pc == context->ra instructions.
7179 (uw_frame_state_for): If context->signal_frame, don't subtract one
7180 from context->ra to find FDE.
7181 (uw_update_context_1): Set context->signal_frame to
7182 fs->signal_frame.
7183 (_Unwind_GetIPInfo): New function.
7184 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7185 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7186 of _Unwind_GetIP.
7187 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7188 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7189 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7190 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7191 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7192 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7193 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7194 x86_64_fallback_frame_state): Set fs->signal_frame.
7195 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7196 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7197 (frob_update_context): Likewise. Workaround missing S flag in
7198 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7199 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7200 Remove the psw_addr + 1 hack.
7202 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7204 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7205 with aggregates here.
7206 (find_func_aliases): Remove code for &<aggregate> from here.
7208 2006-02-26 Roger Sayle <roger@eyesopen.com>
7210 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7211 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7212 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7213 as (X & C) ne/eq 0.
7215 2006-02-26 Roger Sayle <roger@eyesopen.com>
7217 PR middle-end/19983
7218 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7220 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7222 * opts.c (decode_options): Do not handle flag_strength_reduce.
7223 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7224 and OPT_fstrength_reduce.
7225 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7226 flag_prefetch_loop_arrays for being nonzero.
7227 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7228 no-ops.
7229 (fprefetch-loop-arrays-rtl): Removed.
7230 (flag_prefetch_loop_arrays): Do not specify the value.
7232 * doc/passes.texi: Update documentation of loop optimizer
7233 passes.
7234 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7235 -frerun-loop-opt): Remove.
7237 2006-02-26 Richard Guenther <rguenther@suse.de>
7239 PR tree-optimization/26421
7240 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7241 in function calls that are ADDR_EXPRs as using the whole structure.
7243 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7245 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7246 * tree-pass.h (pass_loop_optimize): Remove.
7247 * passes.c (pass_loop_optimize): Never run it.
7248 * toplev.c (backend_init): Don't call init_loop.
7249 * opts.c (flag_loop_optimize_set): Remove.
7250 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7251 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7252 the old RTL loop optimizer when profiling enabled.
7253 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7254 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7255 pre-headers for the sake of the old RTL loop optimizer.
7256 * Makefile.in: Remove all references to loop.o.
7258 * doc/invoke.texi: Remove all references to -floop-optimize
7259 and -frerun-loop-opt.
7261 2006-02-26 Zack Weinberg <zackw@panix.com>
7263 * doc/md.texi (Machine Constraints): Refer to all files with paths
7264 relative to gcc directory (i.e. config/CPU/file). Add missing
7265 @table @code ... @end table to M32C subsection.
7267 2006-02-26 Roger Sayle <roger@eyesopen.com>
7269 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7270 (X & 1) == 0.
7271 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7273 2006-02-26 Roger Sayle <roger@eyesopen.com>
7274 James A. Morrison <phython@gcc.gnu.org>
7276 PR middle-end/21137
7277 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7278 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7279 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7280 signedness of the shift operation.
7282 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7284 PR tree-optimization/26359
7285 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7287 2006-02-25 Roger Sayle <roger@eyesopen.com>
7289 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7290 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7291 as X == 0, and some symmetry related transformations.
7292 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7294 2006-02-25 Roger Sayle <roger@eyesopen.com>
7296 PR middle-end/23673
7297 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7298 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7299 symmetry related transformations. Fold (X^C1) == C2 as
7300 X == (C1^C2).
7302 2006-02-25 Juergen Weigert <jw@suse.de>
7303 Richard Guenther <rguenther@suse.de>
7305 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7307 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7309 * combine.c (gen_lowpart_or_truncate): Call
7310 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7312 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7314 * doc/invoke.texi: Move -fopenmp description to "Options for
7315 Code Generation".
7316 Remove reference to -lgomp.
7318 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7320 * doc/install.texi: Require GNU tar version 1.14.
7322 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7324 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7325 * doc/invoke.texi (C++ Dialect Options): Document
7326 -fno-use-cxa-get-exception-ptr.
7327 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7328 * configure: Regenerate.
7329 * c.opt (fuse-cxa-get-exception-ptr): New.
7330 * c-opts.c (c_common_handle_option): Handle
7331 OPT_fuse_cxa_get_exception_ptr.
7332 * c-common.c (flag_use_cxa_atexit): Update documentation.
7333 (flag_use_cxa_get_exception_ptr): New.
7334 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7335 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7336 documentation.
7337 (C_COMMON_OVERRIDE_OPTIONS): New.
7339 2006-02-24 Roger Sayle <roger@eyesopen.com>
7341 PR middle-end/24952
7342 * combine.c (try_combine): Explicitly check whether GET_CODE is
7343 a SET or a CLOBBER, instead on checking that it isn't a USE.
7345 2006-02-24 Roger Sayle <roger@eyesopen.com>
7347 * fold-const.c (fold_comparison): New subroutine of fold_binary
7348 containing transformations common to both the equality and
7349 ordering relational operators, factored out of fold_binary.
7350 (fold_binary): Separate out the equality operators (EQ_EXPR
7351 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7352 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7353 transformations common to both.
7354 (fold_div_compare): Fix latent bugs in the previously unreachable
7355 LT_EXPR and GE_EXPR cases.
7357 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7359 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7360 decl libname for clog to __clog on AIX.
7362 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7364 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7366 PR target/26453
7367 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7368 output traceback table for thunks. Localise rs6000_stack_info call.
7370 2006-02-23 Roger Sayle <roger@eyesopen.com>
7371 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7373 * gthr-posix.h (__gthrw): Fix typo in comment.
7375 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7377 * doc/cpp.texi (Character sets): Document that we do support
7378 input files to be in any character set.
7380 2006-02-23 Jeff Law <law@redhat.com>
7382 * tree.h (PHI_ARG_NONZERO): Remove.
7383 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7384 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7385 node to the new node.
7387 PR tree-optimization/26425
7388 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7389 min/max, then assume its varying.
7391 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7393 PR rtl-optimization/26316
7394 * rtlanal.c (enum may_trap_p_flags): New.
7395 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7396 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7397 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7398 (may_trap_after_code_motion_p): New function.
7399 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7400 (find_invariant_insn): Use may_trap_after_code_motion_p.
7401 * rtl.h (may_trap_after_code_motion_p): Declare.
7403 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7405 * emit-rtl.c (immed_double_const): Cleanup.
7407 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7409 Fix PR tree-optimization/26376
7410 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7411 remove assert.
7413 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7415 PR middle-end/26412
7416 * gimplify.c (omp_add_variable): Guard variable size decl test with
7417 DECL_SIZE (decl) check.
7419 2006-02-23 Richard Guenther <rguenther@suse.de>
7421 PR middle-end/26439
7422 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7423 like aggregate types.
7425 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7427 * configure.ac: Add --with{,out}-long-double-128 configure option.
7428 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7429 * configure: Rebuilt.
7430 * config.in: Rebuilt.
7431 * doc/install.texi (Options specification): Document
7432 --with-long-double-128.
7434 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7435 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7436 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7437 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7439 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7441 * config/s390/s390.c (override_options): Handle
7442 TARGET_DEFAULT_LONG_DOUBLE_128.
7444 * config/alpha/alpha.c (override_options): Handle
7445 TARGET_DEFAULT_LONG_DOUBLE_128.
7447 * config/sparc/sparc.c (sparc_override_options): Handle
7448 TARGET_DEFAULT_LONG_DOUBLE_128.
7450 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7452 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7453 (real-install-headers-tar, real-install-headers-cpio)
7454 (real-install-headers-cp): New targets.
7456 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7458 * tree.h (variable_section): Delete.
7459 * varasm.c (variable_section): Delete.
7461 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7463 * install.texi: Add notes on install.texi2html.
7464 (Building in parallel): Do not use footnotes.
7466 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7468 PR libgomp/26234
7469 * doc/install.texi (Configuration): Document --disable-libgomp.
7471 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7473 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7475 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7477 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7478 (vec_extractv2df_0_sse): New.
7480 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7482 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7483 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7484 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7485 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7486 to the result of the expression.
7487 (def_cfa_1): Adjust.
7488 (frame_pointer_cfa_offset): Rename to...
7489 (frame_pointer_fb_offset): ... this. Adjust all uses.
7490 (convert_cfa_to_loc_list): Rename to...
7491 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7492 Pass it on to build_cfa_loc.
7493 (compute_frame_pointer_to_cfa_displacement): Rename to...
7494 (compute_frame_pointer_to_fb_displacement): ... this. New
7495 offset parameter. Use it in computation.
7496 (gen_subprogram_die): Compute cfa_fb_offset with the new
7497 macro, and use it to compute the fb loc list and the
7498 displacement.
7500 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7502 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7503 replaced with register_operand.
7504 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7505 non-DREG is expensive.
7506 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7507 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7508 involving memory.
7510 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7512 * doc/install.texi2html: Use set -e.
7514 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7516 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7517 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7518 * doc/invoke.texi (-fshared-data): Delete.
7519 * common.opt (fshared-data): Delete.
7520 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7521 (assemble_static_space): Remove #if 0 code.
7522 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7523 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7524 * config/cris/cris.h: Remove FIXME.
7526 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7528 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7529 hooks.
7531 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7533 PR middle-end/26379
7534 * combine.c (simplify_shift_const_1): Disable nested shifts
7535 optimization for vector shifts.
7537 2006-02-20 Roger Sayle <roger@eyesopen.com>
7539 PR tree-optimization/26361
7540 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7541 of unsigned integer types.
7543 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7545 * tree-chrec.c (eq_evolutions_p): New.
7546 * tree-chrec.h (eq_evolutions_p): Declared.
7547 * tree-data-ref.c: Fix formatting.
7548 (datadep_stats, dependence_stats): New.
7549 (gcd): Moved...
7550 (print_direction_vector): New.
7551 (dump_data_dependence_relation): Use print_direction_vector.
7552 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7553 (compute_subscript_distance): Static.
7554 (initialize_data_dependence_relation): Static. Get the number
7555 of loops surrounding the references from the callers, and initialize
7556 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7557 base_object_differ_p analyzers.
7558 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7559 compute_overlap_steps_for_affine_1_2,
7560 analyze_subscript_affine_affine): Count the classified dependences.
7561 Print a message when a test failed.
7562 (can_use_analyze_subscript_affine_affine): New.
7563 (analyze_siv_subscript): Compute the data dependences on symbolic
7564 scevs that verify can_use_analyze_subscript_affine_affine.
7565 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7566 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7567 Handle symbolic scevs.
7568 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7569 analyzed.
7570 (subscript_dependence_tester): Moved...
7571 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7572 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7573 DDR_SIZE_VECT instead of getting it in parameter.
7574 (subscript_dependence_tester): ... here. Take as a parameter
7575 loop_nest_depth. Call build_classic_dist_vector and
7576 build_classic_dir_vector.
7577 (compute_affine_dependence): Update subscript_dependence_tester
7578 parameters. Update datadep_stats counters. Call
7579 compute_subscript_distance.
7580 (compute_self_dependence): Save the dist and dir vectors. Call
7581 compute_subscript_distance.
7582 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7583 (compute_all_dependences): Reorder parameters as they were before
7584 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7585 compute_subscript_distance. Update the use of
7586 compute_affine_dependence and initialize_data_dependence_relation.
7587 (find_data_references_in_loop): Handle COMPONENT_REF.
7588 (compute_data_dependences_for_loop): Initialize dependence_stats.
7589 Don't call build_classic_dist_vector and build_classic_dir_vector.
7590 Update the parameters of initialize_data_dependence_relation and
7591 compute_all_dependences. Print the statistics from datadep_stats.
7592 (analyze_all_data_dependences): Static. Not used until the pass for
7593 checking the data dependences is contributed.
7594 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7595 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7596 (initialize_data_dependence_relation, compute_affine_dependence,
7597 analyze_all_data_dependences, compute_subscript_distance): Removed.
7598 (print_direction_vector): New.
7599 * lambda.h (gcd): ... here.
7600 (lambda_vector_gcd): Moved here from gcd_vector.
7601 * lambda-code.c (gcd, gcd_vector): Removed.
7602 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7603 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7605 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7607 * ipa-type-escape.c: Tidy some comments and white space.
7608 * tree-ssa-operands.c: Likewise.
7610 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7612 PR tree-opt/25879
7613 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7614 (dump_decl_name): Do not walk the decl tree chains.
7615 * tree-pass.h (TDF_CHAIN): Remove.
7617 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7619 * Makefile.in (C): Remove
7620 (PROTO): Remove
7621 (.PHONY): Remove C and PROTO
7623 2006-02-20 Roger Sayle <roger@eyesopen.com>
7625 PR middle-end/26236
7626 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7627 deprecated CHAR_TYPE tree code.
7629 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7631 * configure.ac (target_list): Add install-info, dvi, html.
7632 * configure: Regenerate.
7634 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7635 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7636 treelang/Make-lang.in: Do not use double-colon rules.
7638 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7640 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7641 (TMT_USED_ALONE): New macro.
7642 * tree-pass.h (PROP_tmt_usage): New property.
7643 (TODO_update_tmt_usage): New todo.
7644 * tree-ssa-alias.c (updating_used_alone): New variable.
7645 (recalculate_used_alone): New function.
7646 (compute_may_aliases): Set updating_used_alone, call
7647 recalculate_used_alone.
7648 * tree-sra.c (pass_sra): Note that this pass destroys
7649 PROP_tmt_usage, and add TODO_update_tmt_usage.
7650 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7651 * tree-flow.h (updating_used_alone): Prototype.
7652 (recalculate_used_alone): Ditto.
7653 * passes.c (execute_todo): Add code to set updating_used_alone,
7654 and call recalculate.
7655 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7656 for clobber if used alone, and add assert to verify used_alone
7657 status.
7659 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7661 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7662 for non tls symbols added.
7663 (legitimize_address): Do nothing for PLUS expressions if one of the
7664 addends is a tls symbol reference.
7666 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7668 PR bootstrap/25476
7670 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7672 * Makefile.in (BOOTSTRAPPING): New.
7673 (quickstrap): New definition if BOOTSTRAPPING=yes.
7675 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7676 * configure.ac: Substitute all_selected_languages with the languages
7677 that were configured. For all the other variables except
7678 lang_specs_files, include all the languages in the tree.
7679 * configure: Regenerate.
7681 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7682 if there is one. Run the commands to run fixincludes in the same
7683 subshell.
7685 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7686 * doc/install.texi: Document exact conventions for searching target tools.
7687 Document --with-build-time-tools. Document toplevel bootstrap. Document
7688 something more about building an Ada cross-compiler. Don't list GNU Make
7689 requirements which affect all platforms.
7691 2006-02-19 Roger Sayle <roger@eyesopen.com>
7693 PR middle-end/19543
7694 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7695 only equivalent if the have both the same mode and precision.
7697 2006-02-20 Ben Elliston <bje@au.ibm.com>
7699 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7701 2006-02-19 Roger Sayle <roger@eyesopen.com>
7702 Steven Bosscher <stevenb.gcc@gmail.com>
7704 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7705 constant pool references to identify stack mode constants.
7706 * rtlanal.c (constant_pool_constant_p): New predicate to check
7707 whether operand is a floating point constant in the pool.
7708 * rtl.h (constant_pool_constant_p): Prototype here.
7709 * loop.c (scan_loop): Avoid hoisting constants from the constant
7710 pool on STACK_REGS targets.
7711 (load_mems): Likewise.
7712 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7713 loads into x87 registers expensive in terms of register pressure.
7715 2006-02-19 Roger Sayle <roger@eyesopen.com>
7717 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7718 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7720 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7722 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7723 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7725 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7727 * doc/invoke.texi: Document -fipa-pta.
7728 * common.opt: Add ipa-pta option.
7729 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7730 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7731 (do_ds_constraint): Ditto.
7732 (get_constraint_for): Only add to referenced_vars if
7733 referenced_vars exists.
7734 (insert_into_field_list): Rewrite to do this unsorted.
7735 (insert_into_field_list_sorted): Rename old insert_into_field_list
7736 to this.
7737 (create_function_info_for): Use insert_into_field_list_sorted.
7738 (create_variable_info_for): Rewrite so it uses unsorted version,
7739 since the field list is sorted.
7740 (intra_create_variable_infos): Only add to referenced_vars if
7741 referenced_vars exists.
7742 (ipa_pta_execute): Init heapvars, and delete when done.
7743 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7745 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7747 * doc/install.texi: Add missing `@samp'.
7749 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7751 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7752 Use the arguments.
7754 2006-02-18 Mark Wielaard <mark@klomp.org>
7756 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7757 who added new 4.1 features, bug fixes and integration support.
7759 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7761 PR target/26350
7762 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7763 MEM for ABI_V4 pic.
7765 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7767 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7768 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7769 (copy_insn_1): Likewise. Don't copy each field individually.
7770 Reindent.
7771 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7772 of RTX_SIZE.
7773 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7774 * rtl.c (rtx_size): Rename variable to...
7775 (rtx_code_size): ...this.
7776 (rtx_size): New function.
7777 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7778 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7779 Reindent.
7780 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7781 * rtl.h (rtx_code_size): New variable.
7782 (rtx_size): Change from a variable to a function.
7783 (RTX_SIZE): Rename to...
7784 (RTX_CODE_SIZE): ...this.
7786 PR target/9703
7787 PR tree-optimization/17106
7788 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7789 (Anchored Addresses): New section.
7790 * doc/invoke.texi (-fsection-anchors): Document.
7791 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7792 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7793 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7794 * hooks.c (hook_bool_mode_rtx_false): New function.
7795 * hooks.h (hook_bool_mode_rtx_false): Declare.
7796 * gengtype.c (create_optional_field): New function.
7797 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7798 SYMBOL_REF_IN_BLOCK_P is true.
7799 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7800 (min_anchor_offset, max_anchor_offset): Likewise.
7801 (use_anchors_for_symbol_p): New hook.
7802 * toplev.c (compile_file): Call output_object_blocks.
7803 (target_supports_section_anchors_p): New function.
7804 (process_options): Check that -fsection-anchors is only used on
7805 targets that support it and when -funit-at-a-time is in effect.
7806 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7807 if the decl doesn't have one.
7808 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7809 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7810 of force_const_mem through use_anchored_address.
7811 (expand_expr_constant): New function.
7812 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7813 calling expand_expr for INDIRECT_REF.
7814 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7815 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7816 * expr.h (use_anchored_address): Declare.
7817 * loop-unroll.c: Don't declare rtx vectors here.
7818 * explow.c: Include output.h.
7819 (validize_mem): Call use_anchored_address.
7820 (use_anchored_address): New function.
7821 * common.opt (-fsection-anchors): New switch.
7822 * varasm.c (object_block_htab, anchor_labelno): New variables.
7823 (hash_section, object_block_entry_eq, object_block_entry_hash)
7824 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7825 (use_blocks_for_decl_p, change_symbol_section): New functions.
7826 (get_variable_section): New function, split out from assemble_variable.
7827 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7828 use_blocks_for_decl_p say so. Use change_symbol_section if the
7829 symbol has already been created.
7830 (assemble_variable_contents): New function, split out from...
7831 (assemble_variable): ...here. Don't output any code for
7832 block symbols; just pass them to place_block_symbol.
7833 Use get_variable_section and assemble_variable_contents.
7834 (get_constant_alignment, get_constant_section, get_constant_size): New
7835 functions, split from output_constant_def_contents.
7836 (build_constant_desc): Create a block symbol if use_object_blocks_p
7837 says so. Or into SYMBOL_REF_FLAGS.
7838 (assemble_constant_contents): New function, split from...
7839 (output_constant_def_contents): ...here. Don't output any code
7840 for block symbols; just pass them to place_section_symbol.
7841 Use get_constant_section and get_constant_alignment.
7842 (force_const_mem): Create a block symbol if use_object_blocks_p and
7843 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7844 (output_constant_pool_1): Add an explicit alignment argument.
7845 Don't switch sections here.
7846 (output_constant_pool): Adjust call to output_constant_pool_1.
7847 Switch sections here instead. Don't output anything for block symbols;
7848 just pass them to place_block_symbol.
7849 (init_varasm_once): Initialize object_block_htab.
7850 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7851 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7852 (place_block_symbol, get_section_anchor, output_object_block)
7853 (output_object_block_htab, output_object_blocks): New functions.
7854 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7855 (TARGET_ASM_OUT): Include it.
7856 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7857 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7858 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7859 (TARGET_INITIALIZER): Include them.
7860 * rtl.c (rtl_check_failed_block_symbol): New function.
7861 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7862 (block_symbol, object_block): New structures.
7863 (rtx_def): Add a block_symbol field to the union.
7864 (BLOCK_SYMBOL_CHECK): New macro.
7865 (rtl_check_failed_block_symbol): Declare.
7866 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7867 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7868 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7869 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7870 * output.h (output_section_symbols): Declare.
7871 (object_block): Name structure.
7872 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7873 (default_use_anchors_for_symbol_p): Declare.
7874 * Makefile.in (RTL_BASE_H): Add vec.h.
7875 (explow.o): Depend on output.h.
7876 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7877 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7878 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7879 (rs6000_use_blocks_for_constant_p): New function.
7881 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7883 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7885 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7887 PR tree-opt/25680
7888 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7889 IMAGPART_EXPR.
7891 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7893 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7894 is_aliased.
7895 Update all users.
7897 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7899 PR middle-end/26334
7900 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7901 instead of DECL_REGISTER.
7903 2006-02-18 Olivier Hainque <hainque@adacore.com>
7905 PR ada/13408
7906 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7908 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7910 PR target/24837
7911 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7912 * opth-gen.awk: Handle Var and InverseMask together.
7913 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7914 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7915 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7916 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7917 used together.
7918 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7919 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7920 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7921 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7922 LINUX_DYNAMIC_LINKER): Define.
7923 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7924 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7925 TARGET_GLIBC.
7926 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7927 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7928 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7930 (TARGET_C99_FUNCTIONS): Don't define.
7931 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7932 GLIBC_DYNAMIC_LINKER.
7933 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7934 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7935 GLIBC_DYNAMIC_LINKER64): Define.
7936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7937 LINUX_DYNAMIC_LINKER64.
7938 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7940 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7942 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7944 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7945 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7946 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7948 and LINUX_DYNAMIC_LINKER32.
7949 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7951 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7953 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7954 TARGET_GLIBC.
7955 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7956 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7957 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7958 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7959 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7960 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7961 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7962 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7963 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7964 LINUX_DYNAMIC_LINKER): Define.
7965 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7966 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7967 GLIBC_DYNAMIC_LINKER64): Define.
7968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7969 LINUX_DYNAMIC_LINKER64.
7970 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7971 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7972 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7973 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7974 LINUX_DYNAMIC_LINKER): Define.
7975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7976 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7977 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7978 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7979 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7980 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7981 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7982 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7983 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7984 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7986 * doc/invoke.texi (-muclibc): Remove caveat about supported
7987 targets.
7989 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7991 * doc/cpp.texi (__TIMESTAMP__): Document.
7993 2006-02-17 Roger Sayle <roger@eyesopen.com>
7995 PR middle-end/25600
7996 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7997 C is one less than the width of X (and related transformations).
7998 * simplify-rtx.c (simplify_unary_operation_1): Transform
7999 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8000 depending on STORE_FLAG_VALUE, were C is one less then the
8001 width of X.
8003 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8005 Fix PR tree-optimization/26341
8006 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8007 about NAME_MEMORY_TAG's.
8009 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8011 PR target/26255
8012 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8013 with hardware float support, and software float support. Add fcpy
8014 alternative to hardware patterns. Add alternatives to copy between
8015 general and floating-point registers to the 32-bit pattern.
8016 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8017 secondary reload to load a QI or HI mode constant into a floating
8018 point register.
8019 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8020 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8022 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8024 PR target/26272
8025 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8026 pc to the pattern.
8027 (load_macho_picbase_di): Likewise.
8029 2006-02-16 Jeff Law <law@redhat.com>
8031 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8032 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8033 (ssa_name_nonzero_p): Likewise.
8034 (get_value_range): Return NULL if VRP is not running.
8035 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8036 VRP routines do not discover a range.
8037 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8038 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8039 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8040 (tree_expr_nonnegative_p): Similarly.
8041 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8042 (restore_nonzero_vars_to_original_value): Remove.
8043 (unsafe_associative_fp_binop): Remove.
8044 (tree_ssa_dominator_optimize): Remove initialization and
8045 finalization of nonzero_vars and nonzero_vars_stack.
8046 (dom_opt_initialize_block): No longer push marker on
8047 nonzero_vars_stack.
8048 (dom_opt_finalize_block): No longer call
8049 restore_nonzero_vars_to_original_value.
8050 (record_equivalences_from_phis): No longer look for
8051 nonzero PHI arguments.
8052 (cprop_into_successor_phis): No longer propagate nonzero
8053 property into PHI arguments. Lose unused argument. Caller
8054 updated.
8055 (record_equivalences_from_stmt): No longer record nonzero
8056 values for SSA_NAMEs.
8057 (lookup_avail_expr): No longer use nonzero_vars.
8059 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8060 for sizetype when sizetype is unsigned.
8062 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8064 PR rtl-optimization/25603
8065 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8066 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8067 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8068 with new meaning of SETS.
8070 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8072 PR target/20353
8073 PR target/24578
8074 PR target/24837
8075 * config/linux.opt: New file.
8076 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8077 LINUX_DYNAMIC_LINKER): Define.
8078 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8079 * config.gcc (*-*-linux*): Define extra_options.
8080 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8081 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8082 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8083 GLIBC_DYNAMIC_LINKER.
8084 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8085 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8086 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8088 * doc/invoke.texi (GNU/Linux Options): New section.
8090 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8092 * config/sparc/sparc.md (setjmp): Rewrite.
8093 (setjmp_32): Delete.
8094 (setjmp_64): Likewise.
8096 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8098 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8099 previous change.
8101 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8103 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8104 read-write uses.
8106 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8108 PR rtl-optimization/26296
8109 * Makefile.in (loop-invariant.c): Add except.h dependency.
8110 * loop-invariant.c: Include except.h.
8111 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8113 2005-02-16 Paul Brook <paul@codesourcery.com>
8115 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8116 for reloads.
8118 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8120 PR rtl-optimization/25636
8121 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8122 when deciding whether an insn is an initializing insn.
8124 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8126 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8127 (tree_code_size): Ditto.
8128 * tree.h (struct tree_memory_tag): Remove parent_var.
8129 (struct tree_struct_field_tag): New.
8130 (SFT_OFFSET): New.
8131 (SFT_SIZE): New.
8132 (union tree_node): Add sft member.
8133 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8134 specially here.
8135 (create_sft): Add size and offset argument, set SFT_OFFSET and
8136 SFT_SIZE.
8137 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8138 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8139 * tree-flow-inline.h (get_subvar_at): Update for
8140 SFT_OFFSET/SFT_SIZE.
8141 (var_can_have_subvars): Ditto.
8142 (overlap_subvar): Ditto.
8143 * print-tree.c (print_node): Print out interesting things for
8144 SFT's.
8145 * tree-flow.h (struct subvar): Remove offset and size members.
8146 * tree-ssa-operands.c (get_expr_operands): Update for
8147 get_indirect_ref_operands changes.
8148 (get_indirect_ref_operands): Call add_virtual_operand instead of
8149 add_stmt_operand. Only recurse on base var if requested.
8150 (access_can_touch_variable): New function.
8151 (add_stmt_operand): Split virtual operand handling into ...
8152 (add_virtual_operand): Here. Add offset, size, and for_clobber
8153 arguments. Prune alias sets.
8154 (add_call_clobber_ops): Call add_virtual_operand.
8156 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8158 PR middle-end/26300
8159 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8161 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8162 than TREE_CODE as index into omp_clause_num_ops array.
8164 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8166 PR rtl-optimization/26184
8167 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8168 uses_of_defs.
8169 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8170 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8171 must_precede, must_follow and tobe_scheduled.
8173 PR other/26147
8174 * opts.c (common_handle_option): Free new_option pointer.
8175 * df-core.c (df_analyze): Free postorder pointer.
8177 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8179 * Makefile.in: Fix the examples about the use of stamps
8181 2006-02-15 Michael Matz <matz@suse.de>
8183 PR middle-end/22275
8185 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8186 influenced by maximum_field_alignment or DECL_PACKED.
8187 (update_alignment_for_field): Ditto.
8188 (place_field): Ditto.
8189 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8190 this behaviour.
8192 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8194 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8195 (debug_flow_info): Pass it.
8196 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8197 * bb-reorder.c (reorder_basic_blocks): Likewise.
8198 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8199 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8200 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8201 * gcse.c (gcse_main, bypass_jumps): Likewise.
8202 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8203 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8204 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8205 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8206 * rtl.h (dump_flow_info): Adjust prototype.
8207 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8208 * var-tracking.c (variable_tracking_main): Likewise.
8209 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8210 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8211 options.
8213 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8215 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8216 construction.
8218 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8220 PR tree-optimization/26209
8221 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8222 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8223 eh edges.
8224 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8226 2006-02-14 Roger Sayle <roger@eyesopen.com>
8228 PR middle-end/23670
8229 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8230 (X,Y) and the corresponding symmetry related transformations.
8231 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8232 (X,Y) and its symmetry related transformations.
8234 2006-02-14 Roger Sayle <roger@eyesopen.com>
8236 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8237 and GEU.
8239 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8241 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8243 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8245 PR bootstrap/26053
8246 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8247 support COMDAT group.
8248 * configure: Regenerate.
8250 2006-02-14 Roger Sayle <roger@eyesopen.com>
8252 PR middle-end/26279
8253 PR middle-end/26280
8254 PR middle-end/26283
8255 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8257 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8259 Fix PR tree-optimization/26260
8261 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8262 param.
8263 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8264 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8265 * tree-ssa-structalias.c (create_variable_info_for): Use
8266 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8268 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8270 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8271 Document.
8272 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8273 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8274 of the ending condition.
8275 * tree-ssa-loop-manip.c: Include params.h.
8276 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8277 tree_unroll_loop): New functions.
8278 * tree-pass.h (pass_loop_prefetch): Declare.
8279 * loop.c (rest_of_handle_loop_optimize): Test for
8280 -fprefetch-loop-arrays-rtl.
8281 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8282 * timevar.def (TV_TREE_PREFETCH): New timevar.
8283 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8284 pass_loop_prefetch): New.
8285 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8286 (cleanup_tree_cfg_loop): Call scev_reset.
8287 * common.opt (fprefetch-loop-arrays-rtl): Add.
8288 * tree-ssa-loop-prefetch.c: New file.
8289 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8290 (new_temp_expr_table): Initialize expr_vars.
8291 (free_temp_expr_table): Cleanup expr_vars.
8292 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8293 expressions from being merged into one.
8294 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8295 (struct tree_niter_desc): Add control, bound and cmp fields.
8296 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8297 Declare.
8298 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8299 (tree-cfgcleanup.o): Add SCEV_H dependency.
8300 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8301 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8303 2006-02-14 Richard Guenther <rguenther@suse.de>
8305 PR tree-optimization/26258
8306 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8307 in PHI argument processing.
8309 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8311 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8312 new expression in the requested machine mode.
8314 2006-02-13 Roger Sayle <roger@eyesopen.com>
8316 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8317 directly, instead let do_compare_rtx_and_jump handle this for us.
8318 * expr.c (expand_expr_real_1): Likewise.
8319 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8320 before do_jump_by_parts_greater.
8321 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8322 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8324 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8326 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8328 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8330 PR rtl-optimization/26235
8331 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8332 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8333 format.
8335 2006-02-13 Jeff Law <law@redhat.com>
8337 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8338 TRUTH_XOR_EPR.
8340 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8342 PR middle-end/26092
8343 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8344 twice if decl is a builtin. When trying again, call get_callee_fndecl
8345 first to verify it is still a builtin.
8347 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8349 * dwarf2out.c (base_type_die): Don't add AT_name here.
8350 (subrange_type_die): Don't add AT_name here.
8351 (modified_type_die): Rearrange code flow. Do add AT_name here.
8353 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8355 PR rtl-optimization/26247
8356 PR rtl-optimization/26248
8357 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8359 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8361 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8362 * config/fixtfdi.c: Likewise.
8363 * config/fixunstfdi.c: Likewise.
8364 * config/floatditf.c: Likewise.
8366 2006-02-13 Roger Sayle <roger@eyesopen.com>
8368 PR middle-end/24427
8369 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8370 into (X,C2) if C1 is a subset of the bits of C2. Transform
8371 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8372 (X&(C1&~C2))|C2.
8373 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8375 2006-02-13 Josh Conner <jconner@apple.com>
8377 PR target/25376
8378 * varasm.c (function_section): Check for section name before
8379 calling select_section on targets that define
8380 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8381 unlikely_text_section instead of hot_function_section if
8382 first_function_block_is_cold.
8384 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8386 PR middle-end/25335
8387 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8389 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8391 PR rtl-optimization/26222
8392 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8393 after tree->rtl expansion.
8394 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8395 before passing it to emit_move_insn.
8397 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8399 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8400 default.
8401 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8402 Clarify documentation.
8403 * c-common.h (warn_write_strings): Remove.
8404 * c-common.c (warn_write_strings): Likewise.
8405 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8406 default for C++.
8408 2006-02-12 Roger Sayle <roger@eyesopen.com>
8410 PR middle-end/25724
8411 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8412 (do_jump_parts_zero_rtx): New function renamed from
8413 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8414 (do_jump_parts_equality_rtx): New function split out from
8415 do_jump_parts_equality. Old implementation renamed as above.
8416 Call do_jump_parts_zero_rtx if either operand is zero.
8417 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8418 do all of the heavy lifting.
8419 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8420 calling either do_jump_by_parts_greater_rtx or
8421 do_jump_by_parts_equality_rtx.
8422 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8423 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8424 moved to do_compare_rtx_and_jump, call it directly.
8425 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8426 mode argument. Call do_compare_rtx_and_jump.
8427 (emit_case_nodes): Update calls to do_jump_if_equal.
8429 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8431 PR rtl-optimization/26225
8432 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8434 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8436 PR rtl-optimization/26232
8437 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8439 2006-02-11 Jason Merrill <jason@redhat.com>
8441 PR tree-opt/24365
8442 * tree-inline.c (declare_return_variable): Just don't use the
8443 modify target if it's a gimple complex reg and the return slot
8444 isn't.
8446 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8448 * doc/contrib.texi: Update my entry.
8450 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8452 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8454 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8456 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8457 expensive.
8459 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8461 * doc/invoke.texi (-floop-optimize2): Removed.
8462 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8463 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8464 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8465 * common.opt (floop-optimize2): Removed.
8466 (fmove-loop-invariants): Enabled by default.
8468 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8470 * tree-if-conv.c (combine_blocks): Free the result of
8471 get_loop_exit_edges.
8473 2006-02-10 Jeff Law <law@redhat.com>
8475 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8477 PR tree-optimization/26213
8478 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8479 loop trying to follow SSA_NAME_VALUE chains.
8481 2006-02-10 Richard Guenther <rguenther@suse.de>
8483 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8484 deal with structures that end in implicitly variable sized arrays.
8486 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8488 PR rtl-optimization/24762
8489 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8490 eh edges.
8492 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8494 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8495 (struct ivopts_data): Add regs_used field.
8496 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8497 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8498 instead of loop_data->regs_used;
8499 (free_loop_data): Do not free aux fields for loops.
8500 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8501 and tree_ssa_iv_optimize_finalize.
8503 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8505 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8507 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8509 PR target/26141
8510 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8511 computing the effective result type.
8513 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8515 PR inline-asm/16194
8516 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8517 (tree_overlaps_hard_reg_set): Declare.
8518 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8519 type and signature to match function type expected by walk_tree.
8520 (tree_overlaps_hard_reg_set): New function.
8521 (decl_conflicts_with_clobbers_p): Rename to:
8522 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8523 Use tree_overlaps_hard_reg_set. Changed caller.
8524 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8525 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8526 * cris.c (cris_md_asm_clobbers): Likewise.
8528 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8530 * reload1.c (emit_input_reload_insns): Delete code that tries to
8531 inherit using find_equiv_reg.
8533 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8535 * c-common.h (flag_const_strings): Don't declare.
8536 * c-common.c (flag_const_strings): Remove.
8537 * c.opt (fconst_strings): Remove.
8538 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8539 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8540 (c_common_init_options): Don't set flag_const_strings.
8541 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8543 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8545 * arm.md (tlobits_cbranch): New pattern.
8546 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8547 testing a single bit.
8549 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8551 PR tree-opt/26179
8552 * tree-ssa-pre.c (create_component_ref_by_pieces):
8553 Handle RETURN_DECL like VAR_DECL.
8555 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8557 PR middle-end/26134
8558 * fold-const.c (fold_indirect_ref_1): Fold
8559 "*(foo *)&complexfoo" to "__real__ complexfoo"
8560 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8562 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8564 * tree-flow-inline.h (var_can_have_subvars):
8565 Volatile variables should not have subvariables.
8567 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8569 PR 26180
8570 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8571 multiplying unsigned values.
8572 Tidy comments.
8574 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8576 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8578 2006-02-08 Jason Merrill <jason@redhat.com>
8580 PR c++/25979
8581 * tree.def: Elaborate on difference from MODIFY_EXPR.
8582 * doc/c-tree.texi (INIT_EXPR): Likewise.
8583 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8584 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8585 (gimplify_target_expr): Likewise.
8586 (gimplify_cond_expr): Remove target handling.
8587 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8588 (gimplify_expr): Clobber it here.
8589 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8590 Do return slot optimization if we have an INIT_EXPR.
8592 PR tree-opt/24365
8593 * tree-inline.c (declare_return_variable): Also clear
8594 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8596 PR c++/16405
8597 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8599 PR middle-end/22439
8600 * gimplify.c (gimplify_one_sizepos): Fix typo.
8602 2006-02-08 Jeff Law <law@redhat.com>
8604 PR tree-optimization/21417
8605 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8606 across a backedge if the control statement at the end of the
8607 block is data dependent on other statements in the same block.
8608 (record_temporary_equivalences_from_stmts): Remove over-conservative
8609 test for threading across backedges.
8611 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8612 control statement, handle all three special cases in the same
8613 manner as they all have the same desired solution. No longer
8614 special case edge flag updating when the post dominator is
8615 the exit block.
8617 2006-02-08 Roger Sayle <roger@eyesopen.com>
8619 * tree.def (CHAR_TYPE): Remove.
8620 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8621 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8622 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8623 (gen_string_type_die): Delete unreachable function.
8625 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8626 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8627 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8628 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8629 * builtins.c (type_to_class): Likewise.
8630 * fold-const.c (fold_convert, build_range_check,
8631 merge_ranges): Likewise.
8632 * expr.c (count_type_elements): Likewise.
8633 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8634 * stor-layout.c (layout_type): Likewise.
8635 * ipa-type-escape.c (type_to_consider): Likewise.
8636 * gimplify.c (omp_firstprivatize_type_sizes,
8637 gimplify_type_sizes): Likewise.
8638 * explow.c (promote_mode): Likewise.
8639 * tree-sra.c (is_sra_scalar_type): Likewise.
8640 * varasm.c (output_constant): Likewise.
8641 * tree-inline.c (remap_type_1): Likewise.
8642 * convert.c (convert_to_pointer, convert_to_real,
8643 convert_to_integer, convert_to_complex): Likewise.
8645 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8647 * df-scan.c (df_def_record_1): A set destination may
8648 be a parallel regardless of mode.
8650 2006-02-08 Roger Sayle <roger@eyesopen.com>
8652 PR target/22209
8653 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8654 * config/mips/_tilib.c: Remove.
8655 * config/fixtfdi.c: New libgcc source file.
8656 * config/fixunstfdi.c: New source file.
8657 * config/floatditf.c: New source file.
8658 * config/floatunditf.c: New souce file.
8659 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8660 files above instead of config/mips/_tilib.c.
8661 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8663 2006-02-08 Jeff Law <law@redhat.com>
8665 PR tree-optimization/26169
8666 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8667 threading jumps.
8669 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8671 * df.h (DF_REG_SIZE): Return the length of the initialized
8672 part of the array.
8674 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8676 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8677 __muldf3): Return a correctly signed zero.
8679 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8681 * passes.c (register_one_dump_file): Accept the current properties
8682 instead of pass number. Adjust call to dump_register. Remove
8683 duplicated code.
8684 (register_dump_files): Now a wrapper around...
8685 (register_dump_files_1): ... this one. Do not modify the pass
8686 structure.
8687 (next_pass_1): Cosmetic fix.
8688 (execute_todo): Keep second parameter only. Use curr_properties
8689 instead of fetching it from the pass structure. Check and set
8690 last_verified.
8691 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8692 instead of fetching it from the pass structure. Fix calls to
8693 execute_todo. Update curr_properties and initialize .vcg RTL dump
8694 after running the pass. Reset last_verified.
8695 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8696 at the beginning.
8697 (FIRST_AUTO_NUMBERED_DUMP): New.
8698 (dump_register): Remove "num" parameter, assign it within the
8699 function.
8700 (get_dump_file_name): Modify template for dumps.
8701 * tree-dump.h (dump_register): Adjust prototype.
8702 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8703 (PROP_trees): Add PROP_gimple_lomp.
8704 (TODO_set_props): New.
8705 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8706 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8707 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8709 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8711 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8712 (sparc64-*-linux*): Likewise.
8713 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8714 * config/sparc/t-linux: New file.
8715 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8716 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8717 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8718 -m32 -mlong-double-128.
8720 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8721 * config/alpha/t-linux: New file.
8722 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8724 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8725 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8726 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8727 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8728 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8729 (CPP_ARCH32_SPEC): Remove.
8731 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8733 PR tree-optimization/26145
8734 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8735 bbs pointer.
8737 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8739 PR target/26109
8740 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8741 >= 240000 when generating code for SOM runtime.
8742 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8743 to $$dyncall when generating code for SOM runtime..
8745 2006-02-07 Dirk Mueller <dmueller@suse.com>
8747 PR c++/18150
8748 * doc/invoke.texi (-Wsequence-point): Update documentation
8749 that -Wsequence-point is implemented for C++ as well.
8751 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8753 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8754 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8755 (LIB_SPEC): Likewise.
8756 * doc/invoke.texi (SPARC options): Document -pthread.
8758 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8760 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8761 PIC addresses.
8763 2006-02-07 Roger Sayle <roger@eyesopen.com>
8765 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8766 Correct comment describing BOOLEAN_TYPE.
8768 2006-02-07 Dirk Mueller <dmueller@suse.com>
8770 * c.opt: C++ frontend supports -Wdiv-by-zero.
8771 * c-opts.c (c_common_handle_option): Remove dead case.
8773 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8775 * configure.ac (TLS assembler check): Do not enable TLS by
8776 default on SPARC/Solaris before version 10.
8777 * configure: Regenerate.
8779 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8781 * doc/invoke.texi (xl-compat): Document conversion and support
8782 routine names.
8784 2006-02-07 Jeff Law <law@redhat.com>
8786 * tree-vrp.c (find_conditional_asserts): Update comments.
8787 (simplify_stmt_for_jump_threading): New.
8788 (identify_jump_threads, finalize_jump_threads): New.
8789 (vrp_finalize): Call identify_jump_threads.
8790 (execute_vrp): Call finalize_jump_threads.
8791 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8792 (vrp_element, vrp_data, vrp_element_p): Remove.
8793 (vrp_hash_elt, vrp_variables_stack): Remove.
8794 (vrp_hash, vrp_eq, record_range): Remove.
8795 (simplify_cond_and_lookup_avail_expr): Remove.
8796 (extract_range_from_cond): Remove.
8797 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8798 (simplify_stmt_for_jump_threading): New.
8799 (dom_thread_across_edge): New wrapper.
8800 (tree_ssa_dominator_optimize): No longer initialize or
8801 finalize any of the VRP datastructures. Remove iteration
8802 step and simplify as a result of removal of iteration step.
8803 (pass_dominator): Perform a cfg cleanup after DOM.
8804 (dom_opt_finalize_block): Use the new common routines
8805 for threading jumps. Simplify stack management slightly.
8806 No longer need to unwind VRP state.
8807 (record_equivalences_from_incoming_edge): No longer record
8808 VRP information.
8809 (eliminate_redundant_computations): No longer call
8810 simplify_cond_and_lookup_avail_expr.
8811 * tree-flow.h (potentially_threadable_block): Prototype.
8812 (thread_across_edge): Likewise.
8813 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8814 (tree-ssa-threadedge.o): Add dependencies.
8815 * tree-ssa-threadedge.c: New file.
8816 * passes.c (init_optimization_passes): Merge PHIs before
8817 calling VRP. Run VRP again late in the SSA optimization pipeline.
8819 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8821 * df-core.c (df_set_blocks): Do not dereference function pointers.
8822 (df_finish1): Likewise.
8823 (df_hybrid_search_forward): Likewise.
8824 (df_hybrid_search_backward): Likewise.
8825 (df_iterative_dataflow): Likewise.
8826 (df_analyze_problem): Likewise.
8827 (df_compact_blocks): Likewise.
8828 (df_dump): Likewise.
8829 * df-scan.c (df_rescan_blocks): Likewise.
8830 (df_record_entry_block_defs): Likewise.
8832 * genconditions.c (write_conditions): Guard the definition of
8833 'insn_conditions' with the check on GCC version.
8834 (write_writer): Guard the traversal 'insn_conditions' with
8835 the check on GCC version.
8837 2006-02-07 Richard Guenther <rguenther@suse.de>
8839 PR c++/26140
8840 Revert
8841 2006-01-30 Richard Guenther <rguenther@suse.de>
8842 PR c++/23372
8843 * gimplify.c (gimplify_target_expr): Handle easy cases
8844 without creating a temporary.
8846 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8848 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8849 use of float in probability computations. Use edge probabilities
8850 in place of statically computed probabilities.
8851 (min_spec_prob): New static variable.
8852 (schedule_insns): Initialize it.
8853 (GET_SRC_PROB): Removed.
8854 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8856 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8858 PR debug/24444
8859 * config/ia64/unwind-ia64.c: Revert last change.
8860 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8861 (INCOMING_FRAME_SP_OFFSET): Define.
8863 2006-02-06 Roger Sayle <roger@eyesopen.com>
8865 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8867 2006-02-07 Ben Elliston <bje@au.ibm.com>
8869 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8870 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8871 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8872 (ix86_return_in_memory): Handle TDmode.
8873 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8874 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8876 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8878 * reorg.c (dbr_schedule): Use dump_file instead of file.
8880 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8882 PR target/25917
8883 * config/ia64/predicates.md (extr_len_operand): New predicate.
8884 * config/ia64/ia64.md (extv): Tighten constraints.
8885 (extzv): Ditto.
8886 (*tbit_and_2): Ditto.
8887 (*tbit_and_3): Ditto.
8888 (*tbit_or_2): Ditto.
8889 (*tbit_or_3): Ditto.
8890 (*bit_zero): Ditto.
8891 (*bit_one): Ditto.
8893 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8895 PR target/23359
8896 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8898 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8900 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8901 loop_optimizer_init and loop_optimizer_finalize
8902 * tree-ssa-sink.c (execute_sink_code): Ditto.
8903 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8904 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8905 tree_ssa_loop_done): Ditto.
8906 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8907 * sched-ebb.c: Include output.h.
8908 (schedule_ebbs): Do not use dump argument.
8909 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8910 * loop.c (loop_dump_stream): Removed.
8911 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8912 argument.
8913 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8914 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8915 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8916 loop_iterations, strength_reduce, record_biv, record_giv,
8917 final_giv_value, check_final_value, check_ext_dependent_givs,
8918 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8919 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8920 dump_file instead of loop_dump_stream.
8921 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8922 argument dump_file.
8923 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8924 dump argument.
8925 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8926 * haifa-sched.c: Include output.h
8927 (schedule_insns, sched_init): Do not use dump argument.
8928 * mode-switching.c (optimize_mode_switching): Ditto.
8929 * modulo-sched.c (stats_file): Removed.
8930 (print_node_sched_params): Do not call argument dump_file.
8931 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8932 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8933 of stats_file.
8934 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8935 use dump argument.
8936 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8937 rtl_loop_init, rtl_loop_done): Ditto.
8938 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8939 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8940 Ditto.
8941 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8942 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8943 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8944 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8945 * emit-rtl.c (renumber_insns): Ditto.
8946 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8947 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8948 * regclass.c (regclass): Ditto.
8949 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8950 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8951 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8952 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8953 Ditto.
8954 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8955 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8956 to regclass.
8957 * gcse.c (gcse_file, debug_stderr): Removed.
8958 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8959 rest_of_handle_gcse): Do not use dump argument.
8960 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8961 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8962 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8963 compute_code_hoist_vbeinout, compute_code_hoist_data,
8964 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8965 compute_store_table, build_store_vectors, insert_insn_start_bb,
8966 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8967 store_motion): Use dump_file instead of gcse_file.
8968 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8969 * profile.c (profile_dump_file): Removed.
8970 (branch_prob): Use dump_file instead of profile_dump_file.
8971 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8972 dump_file.
8973 * tree-ssa-copy.c (dump_copy_of): Ditto.
8974 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8975 dump file to life_analysis.
8976 * bt-load.c (branch_target_load_optimize): Ditto.
8977 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8978 renumber_insns.
8979 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8980 regclass, dbr_schedule): Declaration changed.
8981 * sched-int.h (sched_init): Declaration changed.
8982 * tree-profile.c (tree_profile_dump_file): Removed.
8983 (tree_profile_hooks): Removed profile_dump_file hook.
8984 * rtl-profile (rtl_profile_dump_file): Removed.
8985 (rtl_profile_hooks): emoved profile_dump_file hook.
8986 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8987 changed.
8988 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8989 * tree-cfg.c (build_tree_cfg): Ditto.
8990 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8991 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8992 Declaration changed.
8993 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8994 life_analysis and schedule_insns.
8995 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8996 life_analysis.
8997 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8998 dbr_schedule.
8999 * config/mips/mips.c (mips_reorg): Ditto.
9000 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9001 schedule_ebbs.
9003 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9005 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9006 (s390_mangle_fundamental_type): New.
9007 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9008 Define.
9010 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9011 (alpha_mangle_fundamental_type): New.
9012 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9013 Define.
9015 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9016 Define.
9017 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9018 Define.
9019 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9020 (sparc_mangle_fundamental_type): New.
9022 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9024 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9025 (s390x-*-linux*): Likewise.
9026 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9027 * config/s390/t-linux: New file.
9029 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9031 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9032 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9034 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9036 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9037 (ANTIC_SAFE_LOADS): New macro.
9038 (find_or_generate_expression): Add prototype.
9039 (set_contains_value): Allow null set for sake of not always having
9040 to allocate ANTIC_SAFE_LOADS.
9041 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9042 Allow COMPONENT_REF too.
9043 (valid_in_set): Allow COMPONENT_REF.
9044 Check ANTIC_SAFE_LOADS too.
9045 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9046 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9047 rename.
9048 (can_PRE_operation): Add COMPONENT_REF.
9049 (create_component_ref_by_pieces): New function.
9050 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9051 (insert_aux): Move AGGREGATE_TYPE_P check here.
9052 (compute_avail): Set bb local stmt uids.
9053 (pass_pre): Use TODO_update_ssa_only_virtuals.
9055 2006-02-06 Ben Elliston <bje@au.ibm.com>
9057 * configure.ac: Unconditionally disable decimal float by default.
9058 * configure: Regenerate.
9060 2006-02-06 Ben Elliston <bje@au.ibm.com>
9062 * read-rtl.c (read_name): Terminate reading on EOF.
9064 2006-02-06 Ben Elliston <bje@au.ibm.com>
9066 * dfp.c (decimal_real_arithmetic): Change second argument type
9067 from int to enum tree_code. Do not always return true, but now
9068 return result of any call to decimal_do helper functions.
9069 * dfp.h (decimal_real_arithmetic): Update prototype.
9071 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9073 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9075 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9077 PR tree-opt/25251
9078 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9079 forced labels.
9081 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9083 * tree-vrp.c (cfg_loops): Removed.
9084 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9085 Use current_loops instead of cfg_loops. Pass flags to
9086 loop_optimizer_init.
9087 * cfgloopmanip.c (fix_loop_structure): Update only available
9088 information.
9089 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9090 loop_optimizer_init.
9091 * modulo-sched.c (build_loops_structure): Removed.
9092 (sms_schedule): Use loop_optimizer_init.
9093 * loop-init.c (loop_optimizer_init): Use flags to determine
9094 which properties of loops to prepare.
9095 (rtl_loop_init): Pass flags to loop_optimizer_init.
9096 * tree-ssa-sink.c (execute_sink_code): Ditto.
9097 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9098 * tree-ssa-pre.c (init_pre): Ditto.
9099 * cfgloop.h (LOOPS_NORMAL): New.
9100 (loop_optimizer_init): Declaration changed.
9102 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9104 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9105 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9106 pa/t-pa.
9107 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9108 pa/t-pa.
9109 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9110 pa/x-ada.
9111 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9112 * pa/t-pa64: Delete quadlib.c rule.
9113 * pa/x-ada: Revert last change.
9114 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9116 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9118 PR rtl-optimization/26087
9119 * rtlanal.c (canonicalize_condition): Do not cross basic block
9120 boundaries.
9122 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9124 PR debug/24444
9125 * config/ia64/ia64.c: Include debug.h.
9126 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9127 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9128 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9129 (process_epilogue, process_set, process_for_unwind_directive):
9130 Output unwind info only if requested. Add CFA info if requested.
9131 Add new arguments as needed. Adjust callers.
9132 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9133 incorrect default.
9134 (DWARF2_FRAME_INFO): Define to zero.
9135 * config/ia64/unwind-ia64.c: Remove code that compensated for
9136 the CFA offset error fixed above.
9137 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9138 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9139 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9140 -funwind-tables and -fexceptions to enable frame info.
9141 (dwarf2out_frame_init): Define initial CFA even if
9142 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9143 DWARF2_UNWIND_INFO is nonzero, not just defined.
9144 (dwarf2out_frame_finish): Output non-EH call frame info only
9145 if DWARF2_FRAME_INFO is nonzero.
9146 (convert_cfa_to_loc_list,
9147 compute_frame_pointer_to_cfa_displacement): Define even if
9148 unwind info is not supported.
9149 (gen_subprogram_die): Use the above unconditionally. Remove
9150 legacy alternate code.
9151 * toplev.c (compile_file): Compile in call to
9152 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9153 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9155 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9156 Jakub Jelinek <jakub@redhat.com>
9158 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9159 IBM extended float format long double as "g" on powerpc*-linux.
9161 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9163 PR target/25926
9164 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9165 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9167 2006-02-03 Jason Merrill <jason@redhat.com>
9169 PR c++/25979
9170 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9172 PR middle-end/25977
9173 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9174 on the return slot if it's an NRV.
9176 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9178 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9179 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9180 rewrite_use): Do not handle USE_OUTER.
9181 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9182 add_iv_outer_candidates, may_replace_final_value,
9183 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9184 (find_interesting_uses_op): Functionality of
9185 find_interesting_uses_outer_or_nonlin moved here.
9186 (find_interesting_uses_outside): Use find_interesting_uses_op.
9188 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9190 PR target/25960
9191 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9193 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9194 Ulrich Weigand <uweigand@de.ibm.com>
9196 PR target/25864
9197 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9198 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9199 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9200 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9201 and dxr fields.
9202 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9203 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9204 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9205 Define secondary reloads for TFmode moves.
9206 (constant_modes): Add TFmode.
9207 (NR_C_MODES): Set to 8.
9208 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9209 builtin define.
9210 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9211 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9212 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9213 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9214 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9215 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9216 (FPR mode macro): Add TFmode.
9217 (DSF mode macro): New.
9218 (<de>, <dee> mode attributes): Removed.
9219 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9220 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9221 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9222 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9223 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9224 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9225 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9226 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9227 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9228 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9229 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9230 "*negabs<mode>2", "sqrt<mode>2"):
9231 Changed <de> to <xde>. R constraint replaced by <Rf>.
9232 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9233 <Rf>.
9234 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9235 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9236 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9237 splitters.
9238 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9239 "extenddftf2", "extendsftf2"): New expanders.
9240 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9241 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9242 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9243 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9244 New options.
9245 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9246 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9247 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9248 __floatditf): Add a GCC_4.1.0 symbol version tag.
9249 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9250 the new options.
9252 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9254 PR target/25377
9255 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9256 Use targetm.binds_local_p instead of TREE_PUBLIC.
9258 2006-02-02 Roger Sayle <roger@eyesopen.com>
9260 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9261 on INTEGER_TYPEs to indicate that it denotes a character type.
9262 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9263 signed_char_type_node, unsigned_char_type_node and char_type_node.
9264 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9265 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9266 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9268 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9269 Daniel Berlin <dberlin@dberlin.org>
9271 * tree-tailcall.c (arg_needs_copy_p): New function.
9272 (eliminate_tail_call): Use arg_needs_copy_p.
9273 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9274 (add_virtual_phis): New function.
9276 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9278 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9279 #ignore instead of #scratch for %g7 .register directive.
9281 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9283 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9284 object files.
9286 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9288 * flow.c (calculate_global_regs_live): Assert that there aren't any
9289 EDGE_FAKE edges.
9291 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9293 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9294 what its name says.
9295 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9296 bsi_after_labels iterator.
9297 * tree-if-conv.c (find_phi_replacement_condition,
9298 replace_phi_with_cond_modify_expr): Likewise.
9299 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9300 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9302 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9304 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9306 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9308 PR 25990
9309 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9310 array after growing it.
9312 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9314 PR middle-end/24901
9315 * fold-const.c (fold_checksum_tree): Change type of buf.
9317 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9319 * reload.c (push_secondary_reload): Initialize t_icode.
9321 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9323 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9324 -msoft-float -mlong-double-128 only issue a warning, but don't
9325 swich to DFmode long double.
9327 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9329 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9330 has a constant equivalent, iterate over equivalents for arg0,
9331 calling simplify_relational_operation and if there's a result
9332 cheaper than X, apply fold_rtx and return the result.
9334 2006-02-01 Jan Hubicka <jh@suse.cz>
9336 * opts.c (no_unit_at_a_time_default): New global variable.
9337 (decode_options): Use it.
9338 * opts.h (no_unit_at_a_time_default): Declare.
9340 2006-02-01 Paul Brook <paul@codesourcery.com>
9342 * function.c (assign_parm_setup_reg): Use function argument promotion
9343 rules.
9344 * expr.c (expand_expr_real_1): Use function argument promotion rules
9345 for PARM_DECLs.
9347 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9349 * gcc.c (process_command): Change j to 'unsigned int'.
9351 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9353 PR middle-end/26001
9354 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9355 Use the corrected index for the character
9356 out of the string constant.
9358 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9360 * mode-switching.c (optimize_mode_switching): Fix size
9361 allocated for bb_info[n_entities].
9363 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9365 * gcc.c (main): Correct type that is allocated for
9366 explicit_link_files.
9368 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9370 * config/s390/s390.c (init_alignment_context): Set
9371 ALIAS_SET_MEMORY_BARRIER on the MEM.
9372 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9374 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9376 PR middle-end/25933
9377 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9378 dom_bbs pointer.
9379 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9380 call to tpa_init.
9382 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9384 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9385 * regrename.c: Ditto.
9386 * tree-ssa-loop-im.c: Ditto.
9387 * tree-dump.c: Ditto.
9388 * tree-complex.c: Ditto.
9389 * genrecog.c: Ditto.
9390 * tree-ssa-threadupdate.c: Ditto.
9391 * tracer.c: Ditto.
9392 * java/class.c: Ditto.
9393 * java/jcf-parse.c: Ditto.
9394 * java/resource.c: Ditto.
9395 * java/except.c: Ditto.
9396 * java/jvspec.c: Ditto.
9397 * java/jcf-write.c: Ditto.
9398 * java/jcf-path.c: Ditto.
9399 * java/gjavah.c: Ditto.
9400 * java/zextract.c: Ditto.
9401 * java/jcf-io.c: Ditto.
9402 * java/jcf.h: Ditto.
9403 * java/buffer.c: Ditto.
9404 * java/lang.c: Ditto.
9405 * java/parse-scan.y: Ditto.
9406 * java/lex.c: Ditto.
9407 * java/lex.h: Ditto.
9408 * cfgloopmanip.c: Ditto.
9409 * postreload-gcse.c: Ditto.
9410 * tree-ssa-loop-manip.c: Ditto.
9411 * postreload.c: Ditto.
9412 * tree-ssa-loop-ch.c: Ditto.
9413 * loop.c: Ditto.
9414 * ipa-cp.c: Ditto.
9415 * cppspec.c: Ditto.
9416 * diagnostic.c: Ditto.
9417 * final.c: Ditto.
9418 * genoutput.c: Ditto.
9419 * gcc.c: Ditto.
9420 * cfghooks.c: Ditto.
9421 * cfgloopanal.c: Ditto.
9422 * objc/objc-act.c: Ditto.
9423 * gcov.c: Ditto.
9424 * genextract.c: Ditto.
9425 * genautomata.c: Ditto.
9426 * pretty-print.c: Ditto.
9427 * genemit.c: Ditto.
9428 * cgraphunit.c: Ditto.
9429 * flow.c: Ditto.
9430 * df-scan.c: Ditto.
9431 * haifa-sched.c: Ditto.
9432 * dominance.c: Ditto.
9433 * dbxout.c: Ditto.
9434 * tree-ssa-loop-ivopts.c: Ditto.
9435 * df-core.c: Ditto.
9436 * mode-switching.c: Ditto.
9437 * modulo-sched.c: Ditto.
9438 * graph.c: Ditto.
9439 * ipa-pure-const.c: Ditto.
9440 * cse.c: Ditto.
9441 * fix-header.c: Ditto.
9442 * web.c: Ditto.
9443 * tree-stdarg.c: Ditto.
9444 * ipa-utils.c: Ditto.
9445 * loop-init.c: Ditto.
9446 * ipa-inline.c: Ditto.
9447 * cfganal.c: Ditto.
9448 * global.c: Ditto.
9449 * alloc-pool.c: Ditto.
9450 * dwarf2out.c: Ditto.
9451 * opts.c: Ditto.
9452 * genattrtab.c: Ditto.
9453 * tree-ssa-loop-ivcanon.c: Ditto.
9454 * predict.c: Ditto.
9455 * timevar.c: Ditto.
9456 * lcm.c: Ditto.
9457 * fortran/gfortranspec.c: Ditto.
9458 * regmove.c: Ditto.
9459 * local-alloc.c: Ditto.
9460 * langhooks.c: Ditto.
9461 * function.c: Ditto.
9462 * tree-vectorizer.c: Ditto.
9463 * gcse.c: Ditto.
9464 * ipa-type-escape.c: Ditto.
9465 * alias.c: Ditto.
9466 * tree-if-conv.c: Ditto.
9467 * profile.c: Ditto.
9468 * ipa.c: Ditto.
9469 * tree-data-ref.c: Ditto.
9470 * loop-unroll.c: Ditto.
9471 * treelang/treetree.c: Ditto.
9472 * calls.c: Ditto.
9473 * bt-load.c: Ditto.
9474 * ggc-common.c: Ditto.
9475 * except.c: Ditto.
9476 * coverage.c: Ditto.
9477 * cselib.c: Ditto.
9478 * tree-cfgcleanup.c: Ditto.
9479 * tree-ssa-pre.c: Ditto.
9480 * cfgcleanup.c: Ditto.
9481 * loop-invariant.c: Ditto.
9482 * loop-iv.c: Ditto.
9483 * ipa-prop.c: Ditto.
9484 * print-tree.c: Ditto.
9485 * conflict.c: Ditto.
9486 * ggc-page.c: Ditto.
9487 * sched-deps.c: Ditto.
9488 * regclass.c: Ditto.
9489 * tree-object-size.c: Ditto.
9490 * combine.c: Ditto.
9491 * bb-reorder.c: Ditto.
9492 * resource.c: Ditto.
9493 * var-tracking.c: Ditto.
9494 * cfgloop.c: Ditto.
9495 * df-problems.c: Ditto.
9496 * reg-stack.c: Ditto.
9497 * tlink.c: Ditto.
9498 * gccspec.c: Ditto.
9499 * sched-rgn.c: Ditto.
9500 * tree-ssa-structalias.c: Ditto.
9501 * tree-ssa-reassoc.c: Ditto.
9502 * config/darwin-c.c: Ditto.
9503 * config/darwin.c: Ditto.
9504 * config/arm/arm.c: Ditto.
9505 * cfgrtl.c: Ditto.
9506 * collect2.c: Ditto.
9507 * reload1.c: Ditto.
9509 2006-01-31 Nicolas Pitre <nico@cam.org>
9511 * arm.md (smaxsi3): Make aware of smax_m1.
9512 (smax_m1): New.
9514 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9516 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9518 2006-01-31 Richard Guenther <rguenther@suse.de>
9520 * doc/invoke.texi (-msselibm): Document.
9521 * target.h (expand_library_builtin): New target hook.
9522 * builtins.c (expand_builtin): Use expand_library_builtin.
9523 (default_expand_library_builtin): New function.
9524 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9525 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9526 (link_gcc_math_spec): Declare.
9527 (static_specs): Add link_gcc_math_spec.
9528 * expr.h (default_expand_library_builtin): Declare.
9529 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9530 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9531 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9532 * config/i386/i386.opt (msselibm): New target option.
9533 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9534 (ix86_init_sse_abi_builtins): New function.
9535 (ix86_expand_library_builtin): Likewise.
9536 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9537 (override_options): Handle error conditions wrt -msselibm.
9538 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9539 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9540 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9541 builtins.
9543 2006-01-31 Richard Guenther <rguenther@suse.de>
9544 Paolo Bonzini <bonzini@gnu.org>
9546 * doc/install.texi (--disable-libgcc-math): Document.
9548 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9550 * expr.h (expand_normal): new inline function.
9551 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9552 * dojump.c: use it.
9553 * dwarf2out.c: use it.
9554 * expr.c: use it.
9555 * calls.c: use it.
9556 * expmed.c: use it.
9557 * except.c: use it.
9558 * config/sparc/sparc.c: use it.
9559 * config/i386/i386.c: use it.
9560 * config/rs6000/rs6000.c: use it.
9561 * config/arm/arm.c: use it.
9562 * config/mips/mips.c: use it.
9563 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9565 2006-01-30 Roger Sayle <roger@eyesopen.com>
9567 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9568 argv to the appropriate type.
9570 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9572 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9573 unreachable code.
9575 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9577 PR target/26018
9578 * config/s390/s390.c (struct machine_function): New flag
9579 decomposed_literal_pool_addresses_ok_p.
9580 (s390_reorg): Set it before final stage of literal pool transforms.
9581 (s390_decompose_address): Only accept displacements of the form
9582 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9584 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9586 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9587 the comparison routine return.
9589 2006-01-30 Michael Matz <matz@suse.de>
9591 * global.c (find_reg): Only evict for global regs.
9592 Take n_refs into account and dump more info.
9594 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9596 PR target/14798:
9597 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9598 (pragma_trap, pragma_nosave_low_regs): Likewise.
9599 (current_function_anonymous_args): Likewise.
9600 (sh_deferred_function_attributes): New variable.
9601 (sh_deferred_function_attributes_tail): Likewise.
9602 (print_operand): For '@', look up trap_exit attribute.
9603 (calc_live_regs): Look up trapa_handler attribute. For trapa
9604 handlers, save/restore fpscr, but don't do any other
9605 interrupt-specific saves.
9606 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9607 Fix check for partially saved registers to check for SHmedia.
9608 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9609 (sh_output_function_epilogue): Don't clear any of the removed
9610 variables.
9611 (sh_insert_attributes): Don't check pragma_interrupt.
9612 Insert deferred attributes. Check that interrupt attribute is
9613 present for other attributes that require its presence.
9614 (sh_attribute_table): Add new attributes trapa_handler and
9615 nosave_low_regs.
9616 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9617 Don't check for pragma_interrupt. Don't store argument.
9618 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9619 (sh_deferred_function_attributes): Declare.
9620 (sh_deferred_function_attributes_tail): Likewise.
9621 * sh.md (sp_switch_1): Add operand. Change generator caller.
9622 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9623 (*return_i): Don't use when trap_exit attribute is in effect.
9624 (*return_trapa): New insn pattern.
9625 * sh-c.c: New file.
9626 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9627 setting c_target_objs and cxx_target_objs.
9628 * t-sh: Add rule for sh-c.o.
9630 2006-01-30 Richard Guenther <rguenther@suse.de>
9632 PR c++/23372
9633 * gimplify.c (gimplify_target_expr): Handle easy cases
9634 without creating a temporary.
9636 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9638 * vec.h (safe_grow): Remove duplicated line.
9640 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9642 PR 25874
9643 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9644 (expand_omp): ... here.
9645 (expand_omp_parallel): Only remove barriers for combined
9646 parallel+workshare constructs.
9648 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9650 Revert
9652 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9653 * tree.c (build_qualified_type): Chain the new type to the original
9654 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9655 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9656 (build_pointer_type_for_mode): Only return unqualified types.
9657 (build_reference_type_for_mode): Likewise.
9659 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9661 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9662 * Makefile.in (CXX_COMPAT_WARN): Define.
9663 * configure: Regenerate.
9665 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9667 PR tree-opt/25911
9668 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9669 to an if check.
9671 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9673 * toplev.c: Fix thinko.
9675 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9676 Marcin Dalecki <martin@dalecki.de>
9678 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9679 (push_srcloc): Use XNEW.
9680 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9682 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9684 * df-core.c (df_set_blocks): Deleted all variable.
9686 2006-01-28 Ian Lance Taylor <ian@airs.com>
9688 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9689 cgraph_output_pending_asms.
9691 2006-01-28 Zack Weinberg <zackw@panix.com>
9693 * c.opt: Add -W(no-)overlength-strings.
9694 * doc/invoke.texi: Document it.
9695 * c-opts.c (c_common_handle_option): -pedantic implies
9696 -Woverlength-strings, if not explicitly disabled already.
9697 (c_common_post_options): -Woverlength-strings defaults to off, and
9698 is always off for C++.
9699 * c-common.c (fix_string_type): Issue warning about strings longer
9700 than is portable only if warn_overlength_strings. Rearrange code
9701 a little for clarity.
9702 * configure.in: Check for -Wno-overlength-strings as well before
9703 enabling -pedantic in stage 1.
9704 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9705 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9707 * genconditions.c (write_header, write_one_condition)
9708 (write_conditions, write_writer): Consolidate very long strings
9709 that were broken up to fit in C89 portable limit. Don't use
9710 printf when fputs will do.
9712 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9714 * combine.c (simplify_comparison <AND>): Check
9715 TRULY_NOOP_TRUNCATION before start using a subreg.
9717 * config/mips/mips.md (*branch_zero<mode>,
9718 *branch_zero<mode>_inverted, *branch_equality<mode>,
9719 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9720 Remove mode check from comparisons.
9722 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9724 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9726 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9728 * expmed.c (const_mult_add_overflow_p): Remove.
9729 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9731 * recog.c (validate_replace_rtx_subexp): Remove.
9732 * recog.h: Remove the prototype for
9733 validate_replace_rtx_subexp.
9735 * integrate.h: Remove the prototype for
9736 copy_decl_for_inlining.
9737 * rtl.h: Remove the prototype for mark_constant_function.
9738 * tree-vectorizer.h: Remove the prototype for
9739 vect_strip_conversion.
9741 * modulo-sched.c (create_partial_schedule,
9742 free_partial_schedule, reset_partial_schedule): Make them
9743 static.
9745 * hooks.c (hook_bool_rtx_int_false): Remove.
9746 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9748 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9750 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9751 and -mlong-double-128 are incompatible.
9752 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9753 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9754 (TARGET_LIBGCC2_CFLAGS): Define.
9755 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9756 (TARGET_LIBGCC2_CFLAGS): Same.
9757 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9759 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9761 PR c/19606.
9762 * c-typeck.c (build_binary_op): Perform implicit casts of
9763 operands before shortening them.
9765 * cfgloopmanip.c (split_loop_bb): Remove.
9766 * cfgloop.h: Remove the prototype for split_loop_bb.
9768 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9769 * cfgloop.h: Remove the prototype for
9770 flow_loop_outside_edge_p.
9772 * emit-rtl.c (init_virtual_regs): Make it static.
9773 * function.h: Remove the prototype for init_virtual_regs.
9775 * recog.c (peephole2_optimize): Make it static.
9776 * recog.h: Remove the prototype for peephole2_optimize.
9778 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9780 * df-scan.c (df_record_entry_block_defs): Check if
9781 INCOMING_RETURN_ADDR_RTX is defined.
9783 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9784 Kenneth Zadeck <zadeck@naturalbridge.com>
9786 PR rtl-optimization/24762
9787 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9788 * targhooks.c (hook_void_bitmap): New hook prototype.
9789 * targhoohs.h (hook_void_bitmap): Ditto.
9790 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9791 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9792 * target.h (live_on_entry): New function pointer.
9793 * df-scan.c (df_all_hard_regs): Removed.
9794 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9795 (df_scan_free_internal): Added df->entry_block_defs.
9796 (df_scan_alloc): Ditto.
9797 (df_scan_dump): Ditto.
9798 (df_uses_record): Plumbed flag field properly thru calls.
9799 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9800 This part fixes PR24762.
9801 (df_bb_refs_record): Added code to make the frame and arg
9802 pointers live in EH blocks.
9803 (df_refs_record): Added call to df_record_entry_block_defs.
9804 (df_record_entry_block_defs): New function.
9805 * df-core.c: Added comments to describe new artifical defs.
9806 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9807 (entry_block_defs): New field in struct df.
9808 (df_all_hard_regs): Deleted.
9809 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9810 * df-problems.c (df_ru_bb_local_compute_process_def):
9811 Added code to handle artifical defs in the entry to a function.
9812 (df_ru_bb_local_compute): Ditto.
9813 (df_rd_bb_local_compute_process_def): Ditto.
9814 (df_rd_bb_local_compute): Ditto.
9815 (df_lr_bb_local_compute): Ditto.
9816 (df_ur_bb_local_compute): Ditto.
9817 (df_urec_bb_local_compute): Ditto.
9818 (df_chain_create_bb): Ditto.
9819 (df_ur_local_finalize): Removed entry.
9820 (df_urec_init): Ditto.
9821 (df_urec_local_finalize): Ditto.
9822 (df_ri_bb_compute): Added detection of last use of pseudos.
9823 * Makefile.in (df-scan.o): Updated dependencies.
9824 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9825 * config/mips/mips.c (mips_set_live_on_entry): Added.
9826 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9827 for target hook.
9828 * dce.c (marked_insn_p): Added code to handle artifical defs.
9830 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9832 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9833 intrinsic.
9834 (_mm_cvtsi128_si64): Likewise.
9835 (_mm_cvtsd_si64): Likewise.
9836 (_mm_cvttsd_si64): Likewise.
9837 (_mm_cvtsi64_sd): Likewise.
9838 (_mm_cvtsi64_si128): Likewise.
9839 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9840 (_mm_cvtsi64_m64): Likewise.
9841 (_m_to_int64): Likewise.
9842 (_mm_cvtm64_si64): Likewise.
9843 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9844 (_mm_cvttss_si64): Likewise.
9845 (_mm_cvtsi64_ss): Likewise.
9846 (_mm_cvtss_f32): Likewise.
9848 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9850 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9851 for pragma redefine_extname.
9853 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9855 PR target/25864
9856 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9857 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9858 -mno-minimal-toc to previous content.
9859 (bispecs): Remove goal.
9860 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9861 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9862 compatibility aliases on powerpc-*-*gnu*.
9863 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9864 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9865 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9866 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9867 (ldblspecs): New goal.
9868 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9869 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9870 _df_to_tf.
9871 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9872 L_sf_to_tf or L_df_to_tf is defined.
9874 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9875 Alan Modra <amodra@bigpond.net.au>
9877 PR target/25864
9878 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9879 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9880 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9881 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9882 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9883 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9884 (rs6000_override_options): Initialize rs6000_ieeequad.
9885 Initialize TFmode format to ibm_extended_format if not
9886 TARGET_IEEEQUAD.
9887 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9888 ieeelongdouble.
9889 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9890 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9891 (function_arg_advance): IBM long double passed in two FPRs, not
9892 split.
9893 (function_arg): IBM long double passed in FPRs.
9894 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9895 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9896 Only multireg GPR aligned.
9897 (rs6000_init_libfuncs): Enable IBM long double functions if not
9898 IEEEQUAD.
9899 (rs6000_generate_compare): Use IBM long double compare if not
9900 TARGET_IEEEQUAD.
9901 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9902 (TARGET_IEEEQUAD): Define.
9903 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9904 not TARGET_IEEEQUAD.
9905 * config/rs6000/rs6000.md: Enable TFmode patterns if
9906 !TARGET_IEEEQUAD.
9907 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9908 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9909 and -mlong-double-128 are incompatible.
9910 * doc/invoke.texi (-mabi): Collect options together. Add
9911 ibmlongdouble and ieeelongdouble.
9913 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9915 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9916 opaque type.
9917 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9918 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9919 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9920 * rtl.h (rtunion_def): Remove rt_ptr.
9921 (X0PTR): Delete.
9922 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9923 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9924 * config/i386/winnt.c (i386_pe_mark_dllexport)
9925 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9927 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9929 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9931 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9933 PR other/24829
9934 PR target/24831
9935 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9936 pthread_key_delete. From John David Anglin. gthrw-ify
9937 pthread_getunique_np only if it it's not a macro. Delete
9938 UNUSED macro.
9939 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9940 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9941 __gthread_objc_condition_signal, __gthread_key_delete): Add
9942 "__attribute__ ((__unused__))" to unused arguments.
9943 (__gthread_recursive_mutex_init_function): Add missing return.
9944 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9945 gthr-posix95.h: Use macro-based approach for name redirection
9946 on targets missing weakref.
9948 2006-01-26 Zack Weinberg <zackw@panix.com>
9950 * genconditions.c (write_header): In generated code, #ifdef out
9951 all includes and fake declarations, except includes of bconfig.h
9952 and system.h, unless GCC_VERSION >= 3001. Do not include
9953 gensupport.h in any case.
9954 (write_conditions): Generate a definition of struct c_test. Add
9955 a comment to the generated #endif.
9956 (write_one_condition): Escape backslashes in string too.
9957 (write_writer): Generated code must escape backslashes and quote
9958 marks (but not newlines) in the strings it writes.
9959 * Makefile.in (build/gencondmd.o): Update dependencies.
9961 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9963 PR target/25961
9964 * Makefile.in (insn-automata.o): Add header file dependencies.
9965 * genautomata.c: Add includes.
9967 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9969 PR target/25961
9970 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9972 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9974 * configure.ac: Expect target tools paths to be passed from the toplevel
9975 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9976 AS_SET_VAR_IF.
9977 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9979 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9981 PR c/25892
9982 * c.opt (Wpointer-sign): Init to -1.
9983 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9984 OPT_pedantic, to 0 otherwise.
9985 * doc/invoke.texi: Update.
9987 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9989 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9990 constants provided by 80387 instructions in the destination mode.
9992 2006-01-26 Richard Guenther <rguenther@suse.de>
9993 Andrew Pinski <pinskia@physics.uc.edu>
9995 PR tree-opt/21470
9996 partial PR tree-opt/17064
9997 * tree-ssa-structalias.c (intra_create_variable_infos):
9998 Create heap variables for incoming parameters if
9999 flag_argument_noalias > 1.
10000 (find_what_p_points_to): Look through default defs of
10001 parameter decls.
10003 2006-01-26 Jeff Law <law@redhat.com>
10005 PR ada/25900
10006 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10007 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10008 within the VR_RANGE, use the VR_RANGE as the result, not the
10009 VR_ANTI_RANGE.
10010 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10011 bounds for the type.
10013 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10015 * tree-ssa-alias.c (maybe_create_global_var): Change
10016 subvar walking to an assertion that we don't have subvar'd variables.
10018 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10020 PR C/25861
10021 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10022 Use a new variable, inner. PARM_DECLs are always non-weak.
10024 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10026 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10027 --disable-checking.
10029 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10031 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10033 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10035 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10036 (smax_insn, smin_insn, smax_0, smin_0): New.
10038 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10040 PR target/25947
10041 * config/cris/cris.c (cris_order_for_addsi3): New function.
10042 * config/cris/cris-protos.h: Prototype it.
10043 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10044 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10045 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10046 (split for "op.S1 [rx=rx+i],ry (swapped)")
10047 (split for "op(s|u).S1 [rx=rx+i],ry")
10048 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10049 Apply cris_order_for_addsi3 when generating addsi3 insns.
10051 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10053 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10054 (TREE_BLOCK): Add call to EXPR_CHECK.
10056 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10058 PR 25886
10059 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10060 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10061 (dump_omp_clauses): ... here.
10062 (dump_generic_node): Handle OMP_CLAUSE.
10063 * tree.c (omp_clause_num_ops): New.
10064 (omp_clause_code_name): New.
10065 (tree_code_size): Handle OMP_CLAUSE.
10066 (tree_size): Likewise.
10067 (make_node): Document handling of OMP_CLAUSE.
10068 (tree_node_structure): Handle OMP_CLAUSE.
10069 (omp_clause_check_failed): New.
10070 (omp_clause_range_check_failed): New.
10071 (omp_clause_operand_check_failed): New.
10072 (build_omp_clause): New.
10073 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10074 * tree.h (enum omp_clause_code): Declare.
10075 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10076 (OMP_CLAUSE_RANGE_CHECK): Define.
10077 (OMP_CLAUSE_ELT_CHECK): Define.
10078 (omp_clause_check_failed): Declare.
10079 (omp_clause_operand_check_failed): Declare.
10080 (omp_clause_range_check_failed): Declare.
10081 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10082 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10083 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10084 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10085 (OMP_CLAUSE_IF_EXPR): Likewise.
10086 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10087 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10088 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10089 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10090 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10091 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10092 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10093 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10094 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10095 (OMP_CLAUSE_CODE): Define.
10096 (OMP_CLAUSE_SET_CODE): Define.
10097 (OMP_CLAUSE_CODE): Define.
10098 (OMP_CLAUSE_OPERAND): Define.
10099 (struct tree_omp_clause): Declare.
10100 (union tree_node): Add field 'omp_clause'.
10101 * treestruct.def (TS_OMP_CLAUSE): Define.
10102 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10103 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10104 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10105 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10106 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10107 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10108 (OMP_CLAUSE): Define.
10109 * print-tree.c (print_node): Handle OMP_CLAUSE.
10110 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10111 * c-typeck.c: Likewise.
10112 * gimplify.c: Likewise.
10113 * c-omp.c: Likewise.
10114 * tree-nested.c: Likewise.
10115 * tree-inline.c: Likewise.
10116 * c-parser.c: Likewise.
10117 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10118 clauses.
10120 2006-01-25 Roger Sayle <roger@eyesopen.com>
10122 PR rtl-optimization/25703
10123 * combine.c (try_combine): Handle zero_extract and strict_low_part
10124 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10126 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10128 * global.c: Fix comment typos.
10130 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10132 PR target/25758
10133 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10134 Use output_addr_const instead of assemble_name.
10136 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10138 * Makefile.in (sched-vis.o): Update dependencies.
10139 * haifa-sched.c (sched_finish): Clear current_sched_info.
10140 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10141 (dump_flow_info): Call it.
10142 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10143 a slim RTL dump.
10144 * basic-block.h (dump_bb_info): Declare.
10145 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10146 option, and apply options only for dump files whose TDF_RTL,
10147 TDF_TREE, or TDF_IPA bits match.
10148 * rtl.h: Declare new functions exported from sched-vis.c.
10149 * sched-vis.c: Enable also if scheduling is not used.
10150 (print_value): Print the mode of registers if not inside scheduling.
10151 (print_insn): Make it work outside the scheduler. Beautify the output
10152 a bit.
10153 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10155 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10157 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10158 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10159 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10160 depending on the value of CONSTANT_POOL_ADDRESS_P.
10161 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10162 SYMBOL_REF_DECL.
10163 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10164 rather than SYMBOL_REF_DECL.
10165 (rtx_constant_pool): Remove const_rtx_sym_htab.
10166 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10167 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10168 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10169 Remove handling of const_rtx_sym_htab.
10170 (find_pool_constant): Delete.
10171 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10172 rather than find_pool_constant.
10173 (get_pool_constant_for_function): Delete.
10174 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10175 find_pool_constant.
10176 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10177 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10178 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10179 (SYMBOL_REF_CONSTANT): New macro.
10180 (get_pool_constant_for_function): Delete.
10181 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10182 rather than SYMBOL_REF_DECL.
10183 (i386_pe_mark_dllimport): Likewise.
10184 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10185 rather than SYMBOL_REF_DECL.
10186 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10187 (machopic_indirect_call_target): Likewise.
10189 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10191 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10193 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10195 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10197 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10199 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10201 2006-01-24 David Daney <ddaney@avtrex.com>
10203 PR java/25816
10204 * configure.ac (enable_tls): New enable option.
10205 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10206 * configure: Regenerate.
10207 * doc/install.texi (--enable-tls): Document new option.
10208 (--disable-tls): Ditto.
10210 2006-01-24 Richard Henderson <rth@redehat.com>
10212 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10213 * alias.c (true_dependence): Respect it.
10214 (canon_true_dependence, write_dependence_p): Likewise.
10215 * builtins.c (get_builtin_sync_mem): Set it.
10217 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10219 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10220 efficient way.
10222 2006-01-24 DJ Delorie <dj@redhat.com>
10224 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10225 for storing constants in single-bit bitfields.
10227 2006-01-25 Ben Elliston <bje@au.ibm.com>
10229 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10231 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10233 PR tree-opt/25860
10234 * tree-ssa-pre.c (phi_translate): Return NULL
10235 for AGGREGATE_TYPE's.
10237 2006-01-24 Zack Weinberg <zackw@panix.com>
10239 * genautomata.c (process_state_for_insn_equiv_partition):
10240 Use xcalloc for insn_arcs_array.
10241 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10242 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10244 2006-01-24 Richard Henderson <rth@redhat.com>
10246 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10247 update all callers.
10249 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10251 PR rtl-optimization/25890
10252 PR rtl-optimization/25905
10253 * combine.c (expand_compound_operation, expand_field_assignment):
10254 Fail if the bitfield's final position is out of bounds.
10256 2006-01-24 Ian Lance Taylor <ian@airs.com>
10258 PR middle-end/25930
10259 * cgraphunit.c (cgraph_output_in_order): Don't clear
10260 cgraph_asm_nodes until after asm strings have been output.
10262 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10264 * fix-header.c (read_scan_file): Add new parameter imultilib when
10265 calling register_include_chains.
10267 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10269 * omp-low.c: Update documentation.
10271 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10272 Daniel Berlin <dberlin@dberlin.org>
10274 PR tree-opt/25315
10275 PR tree-opt/25857
10276 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10277 return from the function.
10279 2006-01-22 Zack Weinberg <zackw@panix.com>
10281 * rtl.def (match_code): Add second argument.
10282 * genpreds.c (write_extract_subexp): New function.
10283 (write_match_code): Add path argument. Use write_extract_subexp.
10284 (write_predicate_expr): Pass path to write_match_code.
10285 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10286 not perform a mode test.
10287 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10288 a subexpression does not constrain the top-level code set.
10289 * read-rtl.c (read_rtx_variadic): New function.
10290 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10291 * doc/md.texi: Document new notation.
10292 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10293 (cmpsi_operand): ... here, using new notation.
10295 2006-01-22 Zack Weinberg <zackw@panix.com>
10297 * varray.c: Remove GENERATOR_FILE #ifdefs.
10299 2006-01-22 Zack Weinberg <zackw@panix.com>
10301 * genautomata.c (output_reserved_units_table): Emit nothing if
10302 description->query_units_num is zero. Remove extra blank line.
10303 (output_cpu_unit_reservation_p): Short circuit
10304 if description->query_units_num is zero.
10306 2006-01-22 Zack Weinberg <zackw@panix.com>
10308 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10309 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10310 nor any of the random handful of variables that used to be necessary
10311 when this program was linked with rtlanal.o. Prune set of forward
10312 function declarations.
10313 (struct attr_desc): Remove static_p field.
10314 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10315 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10316 (attr_string): Do not read the character one past the length of
10317 the string.
10318 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10319 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10320 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10321 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10322 (make_automaton_attrs): New.
10323 (main): Do not call into genautomata. Call local gen_bypass
10324 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10325 Remove special case for insn_alts.
10326 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10327 varray.h (leftover from previous change). Prune set of forward
10328 function declarations. Remove state_alts fields from all
10329 structures. Remove state_alts_table from struct automaton.
10330 Make everything except main static. Do not maintain num_dfa_decls.
10331 Do not maintain state_alts fields of various structures.
10332 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10333 (add_arc): Remove state_alts argument. All callers updated.
10334 (output_reserved_units_table): Emit #ifdef here...
10335 (output_tables): ...not here. Don't generate state_alts tables.
10336 (expand_automata): Don't generate attributes.
10337 (write_automata): Don't generate state_alts functions.
10338 (main): New function.
10339 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10340 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10341 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10342 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10343 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10344 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10345 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10346 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10347 Delete.
10348 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10349 * genattrtab.h: Delete file.
10350 * Makefile.in (OBJS-common): Add insn-automata.o.
10351 (insn-automata.o): New rule.
10352 (simple_generated_c): Add insn-automata.c.
10353 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10354 (genprogmd): Add automata.
10355 (build/genattrtab): Needs no extra objects nor libraries.
10356 (build/genautomata): Needs build/vec.o and -lm.
10358 2006-01-22 Zack Weinberg <zackw@panix.com>
10360 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10361 (output_dfa_max_issue_rate, locked_states_num): Delete.
10362 (struct automaton): Add locked_states field.
10363 (output_dead_lock_vect): Save number of locked states in
10364 automaton->locked_states. If it is zero, don't print anything.
10365 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10366 (output_internal_dead_lock_func): Only test the dead_lock_vect
10367 for automata that have locked states.
10368 (output_statistics): Always print the number of locked states for
10369 each automaton. Calculate total number of locked states here.
10370 (write_automata): Don't call output_dfa_max_issue_rate.
10371 * genattrtab.c: Define length_unit_log as a const variable.
10372 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10373 max_insn_queue_index const.
10374 * final.c (length_unit_log): Declare const.
10375 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10377 2006-01-22 Zack Weinberg <zackw@panix.com>
10379 * genautomata.c: Include vec.h, not varray.h.
10380 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10381 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10382 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10383 VEC_* macros operating on appropriately typed vectors, or to
10384 malloced arrays when the size is known in advance. Const-ify
10385 many char* variables and function arguments. No functional changes.
10386 * Makefile.in (build/varray.o): Delete rule.
10387 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10388 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10390 2006-01-22 Zack Weinberg <zackw@panix.com>
10392 * gensupport.c: Define get_insn_name and record_insn_name here.
10393 (read_md_rtx): Call record_insn_name as appropriate.
10394 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10395 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10396 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10397 record_insn_name.
10398 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10399 (BUILD_VARRAY): Delete.
10400 (genprognormal): Rename genprogmd. Fold in all programs from
10401 genprognoprint; also attrtab.
10402 (build/genattrtab): Just mention genautomata.o and varray.o.
10403 Reorganize a bit, add comments to make the categories clearer.
10405 2006-01-22 Zack Weinberg <zackw@panix.com>
10407 * genconditions.c (condition_table, add_condition): Delete.
10408 (write_conditions): Don't emit n_insn_conditions nor
10409 insn_elision_unavailable. Issue the gcc version #ifdef here,
10410 inside the table, with no #else clause ...
10411 (write_header): ...not here.
10412 (write_writer): New function.
10413 (main): Don't initialize condition_table. Use add_c_test.
10414 Call write_writer.
10415 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10416 files on the command line.
10417 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10418 Return -1 if there is no entry in the table, don't abort.
10419 (add_c_test, traverse_c_tests): New functions.
10420 * gensupport.h (insn_elision_unavailable, insn_conditions)
10421 (n_insn_conditions): Delete declarations.
10422 (add_c_test, traverse_c_tests): Declare.
10423 * read-rtl.c: Include gensupport.h.
10424 (read_conditions): New function.
10425 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10426 (read_rtx_1): If we get EOF when we were looking for an initial
10427 open paren, return 0. Call read_conditions when appropriate.
10428 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10429 dummy-conditions.o. Eliminate references to insn-conditions.o,
10430 or change them to build/gencondmd.o, as appropriate. Remove
10431 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10432 from $(simple_generated_c). For all files remaining in those
10433 two lists, add insn-conditions.md to the generator command line.
10434 Give insn-constants.h/s-constants their own rules. Add rules
10435 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10436 (build/read-rtl.o): Depend on gensupport.h.
10437 (genprognormal): Include preds.
10438 (genprogearly): Rename genprognoprint; only difference is now that
10439 they don't link with $(BUILD_PRINT).
10440 * dummy-conditions.c: Delete.
10442 2006-01-22 Zack Weinberg <zackw@panix.com>
10444 * genextract.c: Don't include insn-config.h. Do include vec.h.
10445 Declare vectors of int, char, and locstr.
10446 (locstr): New typedef.
10447 (struct extraction): Make all array fields into bare pointers.
10448 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10449 (insn_code_number): Delete.
10450 (accum_extract): New struct.
10451 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10452 (gen_insn): Take insn_code_number as an argument. Use an
10453 accum_extract structure instead of loading data directly into
10454 a struct extraction, and having to know how big it might get.
10455 (walk_rtx): Operate entirely on an accum_extract structure.
10456 (print_path): Avoid unnecessary use of printf.
10457 (print_header): New function, split out of main. Distinguish
10458 more carefully between an unrecognizable insn and an insn that
10459 has the code number of a define_expand.
10460 (main): Pass insn_code_number to gen_insn. Call print_header
10461 only after parsing. Avoid unnecessary use of printf.
10462 * Makefile.in (build/vec.o): New rule.
10463 (build/genextract): Depend on build/vec.o.
10464 (build/genextract.o): Don't depend on insn-config.h.
10466 2006-01-22 Zack Weinberg <zackw@panix.com>
10468 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10469 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10470 practical. Eliminate per-generator-program link rules.
10472 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10474 PR middle-end/24437
10475 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10476 with a call expr to ...
10477 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10479 2006-01-23 Richard Guenther <rguenther@suse.de>
10481 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10482 before make_edge with conditional EDGE_TRUE_VALUE.
10484 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10485 Jan Hubicka <jh@suse.cz>
10486 Richard Guenther <rguenther@suse.de>
10488 PR rtl-optimization/25654
10489 * cfgexpand.c (aggregate_contains_union_type): New function.
10490 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10491 for structure variables that contain a union type.
10493 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10495 * gengtype.c (new_structure): Return the structure.
10496 (create_option): Add an extra "next" argument.
10497 (create_field): New function.
10498 (adjust_field_rtx_def): Use create_option and create_field.
10499 Remove a now-unnecessary call to find_structure.
10500 (adjust_field_tree_def): Likewise.
10501 (note_yacc_type): Remove an unnecessary call to find_structure.
10502 * gengtype.h (new_structure): Return the structure.
10503 (create_option): Add an extra argument.
10504 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10505 (option): Adjust calls to create_option.
10507 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10509 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10511 2006-01-22 Paul Brook <paul@codesourcery.com>
10512 Peter Barada <peter@the-baradas.com>
10514 * config/m68k/m68k.md: Add Coldfire FPU support.
10515 Define FP mode macro and associated attributes.
10516 Use it for float mode patterns.
10517 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10518 (LIBCALL_VALUE): Use m68k_libcall_value.
10519 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10520 (m68k_function_value): Ditto.
10521 (emit_move_sequence): Ditto.
10522 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10523 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10524 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10525 (MULTILIB_EXCEPTIONS): Ditto.
10526 * config/m68k/m68k.opt: Add mcfv4e.
10527 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10528 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10529 (m68k_output_function_prologue): Save ColdFire FPU registers.
10530 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10531 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10532 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10533 ColdFire FPU registers.
10534 (m68k_libcall_value, m68k_function_value): New functions.
10535 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10536 (LIBCALL_VALUE): Use m68k_libcall_value.
10537 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10538 (MASK_COLDFIRE): Add MASK_CFV4E.
10539 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10540 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10541 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10542 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10543 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10544 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10545 * doc/invoke.tex: Document -mcfv4e on m68k.
10547 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10549 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10550 URL.
10552 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10554 PR c++/16190
10555 * c-opts.c (c_common_handle_option): Don't include
10556 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10557 * doc/invoke.texi (C++ Dialect Options): Document that
10558 -Wnon-virtual-dtor is no longer included in -Wall.
10560 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10562 * gcov.c (print_version), gcov-dump.c (print_version),
10563 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10564 dates.
10566 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10568 * df-scan.c (problem_SCAN): Added NULL reset function.
10569 (df_scan_reset_blocks): Added code to call reset block function
10570 (df_bb_refs_delete) Fixed comment.
10571 (df_insn_refs_delete): Made tolerant of deleting non existent info
10572 for dataflow problems that need to be reset.
10573 * df-core.c (df_set_blocks): Ditto.
10574 * df.h (struct df_problem): Added reset_fun.
10575 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10576 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10577 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10578 functions to clear out all references to def-use or use-def chains.
10580 2006-01-21 Ben Elliston <bje@au.ibm.com>
10582 * varasm.c (assemble_real): Initialise data array.
10584 2006-01-20 Paul Brook <paul@codesourcery.com>
10586 Merge from csl-arm-branch.
10587 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10588 * config/arm/arm.md (movdi): Force operands[1] to a register
10589 if we have a non-register source.
10590 (*arm_movdi, *movdf_soft_insn): Require that one of the
10591 operands be a register.
10592 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10593 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10595 2006-01-20 DJ Delorie <dj@redhat.com>
10597 * varasm.c (initializer_constant_valid_p): Allow pointers
10598 initialized from integer constants of lesser precision.
10599 (output_constant): Allow non-int-sized pointer modes to be
10600 initialized from integer constants.
10602 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10604 PR libstdc++/25524
10605 * cppdefault.h (struct default_include): Add multilib flag.
10606 * cppdefault.c (cpp_include_defaults): Set it.
10607 * c.opt (-imultilib): New option.
10608 * c-opts.c (imultilib): New.
10609 (c_common_handle_option): Handle -imultilib.
10610 (c_common_post_options): Likewise.
10611 * c-incpath.c (add_standard_paths, register_include_chains):
10612 Likewise.
10613 * c-incpath.h (register_include_chains): Add extra parameter.
10614 * gcc.c (do_spec_1): Generate -imultilib option.
10615 (The Specs Language): Update %I description.
10616 (process_command): Update copyright notice.
10617 * doc/cppopts.texi (-imultilib): Document.
10618 * doc/invoke.texi (-imultilib): Include in option summary.
10619 (%I): Update specs documentation.
10621 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10623 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10625 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10627 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10628 label numbers.
10630 2006-01-20 Richard Guenther <rguenther@suse.de>
10631 Steven Bosscher <stevenb.gcc@gmail.com>
10633 PR rtl-optimization/24626
10634 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10635 EDGE_TRUE_VALUE if in RTL mode.
10637 Revert
10638 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10639 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10641 2006-01-20 Dirk Mueller <dmueller@suse.com>
10643 PR c++/5520
10644 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10645 instead of a special NOP marker.
10646 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10647 NOP marker handling.
10648 * c-common.h (empty_body_warning): Add forward declaration.
10649 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10650 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10652 2006-01-20 Paul Brook <paul@codesourcery.com>
10654 * Makefile.in (lang_checks): Keep going if mkdir fails.
10656 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10658 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10659 be able to clean out basic block when not necessary.
10660 (df_scan_free): Fixed to properly delete information if df is
10661 unused before calling df_finish.
10662 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10663 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10664 or comment typos.
10665 (df_bb_refs_delete): New function.
10666 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10667 * df-core.c (df_set_blocks): Added code to properly clean out
10668 unused blocks if they are not part of the blocks to consider.
10669 Added additional null check.
10670 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10671 be able to clean out basic block when not necessary
10672 * df.h (df_free_bb_function): Ditto.
10673 (df_bb_refs_delete): New function.
10674 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10675 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10676 basic block parameter to be able to clean out basic block when not
10677 necessary.
10678 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10679 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10680 Fixed to properly delete information if df is unused before
10681 calling df_finish.
10683 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10685 PR rtl-optimization/25799
10686 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10687 Corrected confluence operator to remove bits from op2 before oring
10688 with op1 rather than removing bits from op1.
10689 (df_ru_transfer_function): Corrected test on wrong bitmap which
10690 caused infinite loop. Both of these problems were introduced in
10691 the dataflow rewrite.
10693 2006-01-19 DJ Delorie <dj@redhat.com>
10695 * reload1.c (find_reload_regs): Note the details of reload
10696 failures in the dump file.
10697 (spill_failure): Likewise.
10699 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10701 * loop-iv.c: Include df.h and hashtab.h.
10702 (enum iv_grd_result): New enum.
10703 (DF_REF_IV, DF_REF_IV_SET): New macros.
10704 (struct biv_entry): New.
10705 (df, bivs): New global variables.
10706 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10707 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10708 Removed.
10709 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10710 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10711 analyzed_for_bivness_p, record_biv): New functions.
10712 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10713 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10714 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10715 UD chains.
10716 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10717 analysed.
10718 (iv_number_of_iterations): Use new interface to iv analysis.
10719 * loop-unroll.c: Do not include varray.h.
10720 (analyze_iv_to_split_insn): Use new interface to iv
10721 analysis.
10722 * loop-unswitch.c (may_unswitch_on): Ditto.
10723 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10724 allocated.
10725 (df_bb_modify): Realloc tables to the new index.
10726 (df_find_use): New function.
10727 * df.h (df_find_use): Declare.
10728 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10729 outmode.
10730 * cfgloop.h (struct rtx_iv): Remove analysed field.
10731 (iv_get_reaching_def): Removed.
10732 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10733 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10734 (loop-iv.o): Add df.h and hashtab.h dependency.
10735 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10737 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10739 PR target/25668
10740 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10741 Double TFmode.
10742 (__floatundisf, __floatundidf): Likewise.
10743 * libgcc2.h (IS_IBM_EXTENDED): Define.
10745 2006-01-19 DJ Delorie <dj@redhat.com>
10747 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10749 2006-01-19 Paul Brook <paul@codesourcery.com>
10751 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10752 as nothrow when unwinding tables are disabled.
10754 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10756 PR testsuite/25171
10757 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10758 of bit-field" when in system header.
10760 2006-01-19 DJ Delorie <dj@redhat.com>
10762 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10763 the 16 bit shift limit of the m16c.
10765 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10767 PR target/22099
10768 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10769 * config/i386/i386.c (output_set_got): Output the label if we have one
10770 for the TARGET_DEEP_BRANCH_PREDICTION case.
10772 2006-01-19 Jan Hubicka <jh@suse.cz>
10773 H.J. Lu <hongjiu.lu@intel.com>
10774 Evandro Menezes <evandro.menezes@amd.com>
10776 * invoke.texi (generic): Document
10777 (i686) Update.
10778 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10779 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10780 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10781 (x86_use_incdec, x86_pad_returns): New variables
10782 (TARGET_CPU_DEFAULT_generic): New constant
10783 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10784 (enum processor_type): Add generic32 and generic64.
10785 * i386.md (cpu attribute): Add generic32/generic64
10786 (movhi splitter): Behave sanely when both partial_reg_dependency and
10787 partial_reg_stall are set.
10788 (K8 splitters): Enable for generic as well.
10789 * predicates.md (incdec_operand): Use TARGET_INCDEC
10790 (aligned_operand): Avoid memory mismatch stalls.
10791 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10792 * ppro.md: Enable for generic32
10793 * i386.c (generic64_cost, generic32_cost): New.
10794 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10795 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10796 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10797 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10798 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10799 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10800 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10801 x86_accumulate_outgoing_args, x86_prologue_using_move,
10802 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10803 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10804 Enable for generic.
10805 (x86_use_incdec, x86_pad_returns): New.
10806 (override_options): Add generic32 and generic64, translate "generic"
10807 to generic32/generic64 and "i686" to "generic32", refuse
10808 "generic32"/"generic64" as arch target.
10809 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10810 (ix86_reorg): Honor PAD_RETURNS.
10812 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10814 * tree-pretty-print.c (dump_generic_node): Handle
10815 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10816 * cgraph.c (cgraph_expand_queue): Rename from
10817 cgraph_analyze_queue. Update all users.
10818 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10819 cgraph_expand_queue.
10820 (cgraph_expand_all_functions): Likewise.
10821 (cgraph_finalize_pending_functions): Remove. Update callers.
10823 * tree.h (OMP_DIRECTIVE_P): Define.
10824 (OMP_PARALLEL_FN): Define.
10825 (OMP_PARALLEL_DATA_ARG): Define.
10826 (OMP_SECTIONS_SECTIONS): Define.
10827 * tree-pass.h (pass_expand_omp): Declare.
10828 * omp-low.c (struct omp_region): Declare.
10829 (struct omp_context): Remove fields 'parallel_type',
10830 'parallel_start_ix' and 'parallel_start_additional_args'.
10831 Update all users.
10832 (struct omp_for_data): Rename from struct expand_omp_for_data.
10833 (omp_regions): New static variable.
10834 (root_omp_region): New static variable.
10835 (find_omp_clause): Make static.
10836 (is_in_combined_parallel_ctx): Remove.
10837 (is_combined_parallel): New.
10838 (extract_omp_for_data): Move earlier in the file.
10839 (workshare_safe_to_combine_p): New.
10840 (get_ws_args_for): New.
10841 (determine_parallel_type): Move earlier in the file.
10842 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10843 child function.
10844 (omp_copy_decl): Likewise.
10845 (create_omp_child_function): Likewise.
10846 (lookup_omp_region): New.
10847 (dump_omp_region): New.
10848 (debug_omp_region): New.
10849 (debug_all_omp_regions): New.
10850 (new_omp_region): New.
10851 (scan_omp_parallel): If parallel_nesting_level > 1, the
10852 directive is nested within another parallel directive.
10853 Set OMP_PARALLEL_FN.
10854 (scan_omp_for): Do not try to handle combined parallel+for
10855 cases.
10856 Remove FIXME comment.
10857 (scan_omp_nested): Remove.
10858 (scan_omp_1): Do not call scan_omp_nested when
10859 parallel_nesting_level is > 1.
10860 Do not change the DECL_CONTEXT of local variables found.
10861 (lookup_decl_in_outer_ctx): New.
10862 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10863 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10864 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10865 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10866 If CTX is nested, lookup VAR in the outer context when
10867 building copy assignment.
10868 (lower_send_clauses): Rename from expand_send_clauses.
10869 If CTX is nested, lookup VAR in the outer context when
10870 building copy assignments.
10871 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10872 If CTX is nested, lookup VAR in the outer context when
10873 building copy assignments.
10874 (expand_parallel_call): Rename from build_parallel_call.
10875 Handle combined parallel+workshare cases.
10876 Re-implement to emit code into the CFG.
10877 (list2chain): New.
10878 (expand_omp_parallel): Re-implement to emit code into the CFG.
10879 Call move_sese_region_to_fn to outline the sub-graph
10880 containing the parallel region.
10881 (expand_omp_for_1): Remove.
10882 (expand_omp_for_generic): Re-implement to emit code into the
10883 CFG.
10884 (expand_omp_for_static_nochunk): Likewise.
10885 (expand_omp_for_static_chunk): Likewise.
10886 (expand_omp_for): Likewise.
10887 (expand_omp_sections): Likewise.
10888 (remove_exit_barriers): New.
10889 (expand_omp_synch): New.
10890 (expand_omp): New.
10891 (build_omp_regions_1): New.
10892 (build_omp_regions): New.
10893 (execute_expand_omp): New.
10894 (gate_expand_omp): New.
10895 (pass_expand_omp): Define.
10896 (lower_omp_sections): Rename from expand_omp_sections.
10897 Set OMP_SECTIONS_SECTIONS.
10898 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10899 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10900 (lower_omp_single): Rename from expand_omp_simple.
10901 (lower_omp_master): Rename from expand_omp_master.
10902 (lower_omp_ordered): Rename from expand_omp_ordered.
10903 (lower_omp_critical): Rename from expand_omp_critical.
10904 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10905 (lower_omp_for): Re-implement.
10906 (lower_omp_parallel): Re-implement.
10907 (lower_regimplify): Rename from expand_regimplify.
10908 (lower_omp_1): Rename from expand_omp_1.
10909 If there are syntax errors in the program, replace every
10910 OpenMP directive with NOP.
10911 Call lower_omp_* instead of expand_omp_*.
10912 (lower_omp): Rename from expand_omp.
10914 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10915 * tree-gimple.h (enum omp_parallel_type): Remove.
10916 (gimple_boolify): Declare extern.
10917 (find_omp_clause, determine_parallel_type): Remove.
10919 * gimple-low.c (lower_omp_directive): New.
10920 (lower_stmt): Call it.
10921 (record_vars_into): Move from ...
10922 (record_vars): ... here.
10923 Call record_vars_into with current_function_decl.
10925 * gimplify.c (struct gimplify_ctx): Remove fields
10926 combined_pre_p and combined_ctxp. Update users.
10927 (get_formal_tmp_var): Add documentation.
10928 (gimple_boolify): Make extern.
10929 (gimplify_expr_in_ctx): Remove. Update callers.
10930 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10931 will always be a BIND_EXPR.
10932 (gimplify_expr): Handle OMP_RETURN_EXPR.
10933 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10934 (OMP_PARALLEL): Add 3 operands.
10935 (OMP_SECTIONS): Add 1 operand.
10936 (OMP_RETURN_EXPR): Define.
10938 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10939 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10940 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10941 creating a circular free list.
10942 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10944 * tree-flow.h (move_sese_region_to_fn): Declare.
10945 (record_vars_into): Declare.
10946 * tree-cfg.c (make_omp_sections_edges): New.
10947 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10948 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10949 OMP_SECTIONS and OMP_SECTION.
10950 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10951 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10952 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10953 (gather_blocks_in_sese_region): New.
10954 (struct move_stmt_d): Declare.
10955 (move_stmt_r): New.
10956 (move_block_to_fn): New.
10957 (move_sese_region_to_fn): New.
10959 * passes.c (init_optimization_passes): Schedule
10960 pass_expand_omp after pass_init_datastructures.
10962 * tree-ssa-operands.c (get_expr_operands): Handle
10963 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10964 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10966 2006-01-19 Jeff Law <law@redhat.com>
10968 * tree-vrp.c (extract_range_from_assert): Refine the result range
10969 if the variable referenced by the ASSERT_EXPR has a range and
10970 either the tentative result range or the previous range is a
10971 VR_ANTI_RANGE.
10973 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10975 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10977 2006-01-19 Jan Hubicka <jh@suse.cz>
10979 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10981 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10983 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10984 (expand_compound_operation, expand_field_assignment): Fail if the
10985 bit lengths of an extract operation are out of range.
10986 (make_extraction): Compute wanted_inner_mode based on the position
10987 and length of the extraction. Make it extraction_mode for non-constant
10988 positions, and do not modify offset in that case. When generating a
10989 new MEM, use a mode that can hold the extraction while keeping correct
10990 alignment. Remove code that supported MEMs wrapped by USEs.
10991 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10993 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10995 * config/s390/s390.md ("Y", "y"): New mode attribute.
10996 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10997 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10998 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10999 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11000 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11001 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11002 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11003 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11004 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11005 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11006 "addsi3", "subsi3"): Insn patterns removed.
11007 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11008 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11009 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11010 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11011 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11012 "*sub<mode>3_cconly2"): New insn patterns.
11013 ("addsi3", "subsi3"): New expanders.
11015 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11017 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11018 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11019 existing STMT_VINFO_VECTYPE if available.
11020 (vect_mark_relevant): Add special handling for stmts that are
11021 marked as STMT_VINFO_IN_PATTERN_P.
11022 (vect_analyze_loop): Call vect_pattern_recog.
11023 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11024 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11025 stmt_info.
11026 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11027 (vect_recog_func_ptr): New function-pointer type.
11028 * tree-vect-patterns.c: New file.
11029 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11030 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11031 (vect_pattern_recog_1): New functions.
11032 (vect_pattern_recog_funcs): New array of function pointers.
11034 * tree-vectorizer.h (ternary_op): New enum value.
11035 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11036 declaration. Revised documentation. Removed redundant dump prints.
11037 Removed redundant argument. Added support for reduction patterns.
11038 (vectorizable_reduction): Added support for reduction patterns.
11039 (vect_transform_stmt): Added support for patterns.
11041 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11042 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11043 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11044 (expand_widen_pattern_expr): New function.
11045 (init_optabs): Initialize new optabs udot_prod_optab,
11046 sdot_prod_optab.
11047 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11048 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11049 (expand_widen_pattern_expr): New function declaration.
11050 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11051 tree-codes.
11052 * tree-inline.c (estimate_num_insns_1): Added cases for new
11053 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11054 * tree-pretty-print.c (dump_generic_node): Likewise.
11055 (op_prio): Likewise.
11056 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11057 * tree-ssa-operands.c (get_expr_operands): Added case for
11058 DOT_PROD_EXPR.
11059 * tree-vect-patterns.c (widened_name_p): New function.
11060 (vect_recog_dot_prod_pattern): Added function implementation.
11061 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11062 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11063 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11064 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11066 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11067 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11068 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11069 (init_optabs): Initialize new optabs widen_ssum_optab,
11070 widen_usum_optab.
11071 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11072 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11073 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11074 use instead of type of def.
11075 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11076 function implementation.
11077 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11078 widen_ssumv8hi): New.
11080 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11081 patterns.
11083 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11085 PR c/25805
11086 * c-decl.c (add_flexible_array_elts_to_size): New function.
11087 (finish_decl): Use it.
11089 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11091 * diagnostic.h: Include options.h.
11092 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11093 dependancies for diagnostic.h.
11094 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11096 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11098 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11099 (ssa_ro_call_cache_valid): Ditto.
11100 * tree-ssa-alias.c (sort_tags_by_id): New function.
11101 (init_transitive_clobber_worklist): Ditto.
11102 (add_to_worklist): Ditto.
11103 (mark_aliases_call_clobbered): Ditto.
11104 (compute_tag_properties): Ditto.
11105 (set_initial_properties): Ditto.
11106 (compute_call_clobbered): Ditto.
11107 (compute_may_aliases): Call compute_call_clobbered and grouping.
11108 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11109 (compute_flow_insensitive_aliasing): Grouping now happens in our
11110 caller.
11111 (setup_pointers_and_addressables): Remove clobbering related code.
11112 (add_may_alias): Ditto.
11113 (replace_may_alias): Ditto.
11114 (get_nmt_for): Ditto.
11115 (create_global_var):
11116 (is_escape_site): Return an escape_type enumeration.
11117 * tree-flow-inline.h (is_call_clobbered): Global var does not
11118 imply call clobbered.
11119 (mark_call_clobbered): Take a reason for marking this. Remove
11120 marking of globalness, and cache invalidation.
11121 (clear_call_clobbered): Remove cache invalidation code.
11122 * tree-dfa.c (dump_variable): If details is on, dump the reason
11123 for escaping.
11124 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11125 variable.
11126 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11127 (struct var_ann_d): Ditto.
11128 (enum escape_type): New.
11129 (mark_call_clobbered): Adjust prototype.
11130 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11131 are never call clobbered.
11132 Record reasons for escaping.
11133 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11134 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11135 (ssa_ro_call_cache_valid): Ditto.
11136 (clobbered_v_may_defs): Ditto.
11137 (clobbered_vuses): Ditto.
11138 (ro_call_vuses): Ditto.
11139 (clobber_stats): New.
11140 (init_ssa_operands): Zero out clobber stats.
11141 (fini_ssa_operands): Print out clobber stats.
11142 (get_call_expr_operands): Pass callee fndecl to
11143 add_call_read_ops).
11144 (add_call_clobber_ops): Remove use of cache.
11145 Add use of PURE_CONST information.
11146 (add_call_read_ops): Remove use of cache.
11147 Add use of static not_read information.
11149 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11151 Introduce TLS descriptors for i386 and x86_64.
11152 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11153 (TARGET_ANY_GNU_TLS): New macro.
11154 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11155 (struct machine_function): Add tls_descriptor_call_expanded_p.
11156 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11157 (ix86_current_function_calls_tls_descriptor): Likewise.
11158 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11159 (override_options): Introduce gnu2 tls dialect.
11160 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11161 not leaves.
11162 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11163 Likewise.
11164 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11165 (ix86_init_machine_status): Initialize new field.
11166 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11167 (ix86_tls_module_base): New.
11168 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11169 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11170 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11171 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11172 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11173 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11174 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11175 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11176 * config/i386/predicates.md (tls_modbase_operand): New.
11177 (tp_or_register_operand): New.
11179 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11181 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11182 (look_for_address_of): Ditto.
11183 (ipa_init): Walk the function decls.
11184 (static_execute): Don't set readonly on FUNCTION_DECL's.
11186 2006-01-18 Roger Sayle <roger@eyesopen.com>
11188 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11189 for shifts where the source and destination registers are different.
11191 2006-01-18 Paul Brook <paul@codesourcery.com>
11193 Merge from csl-arm-branch.
11194 2005-03-14 Julian Brown <julian@codesourcery.com>
11195 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11196 (aeabi_llsl): Likewise.
11197 (ashrdi3): Likewise.
11198 (aeabi_lasr): Likewise.
11199 (lshrdi3): Likewise.
11200 (aeabi_llsr): Likewise.
11201 2005-03-10 Julian Brown <julian@codesourcery.com>
11202 * config.gcc: Disable shared libgcc for SymbianOS.
11203 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11205 2006-01-18 DJ Delorie <dj@redhat.com>
11207 * c-pragma.c (handle_pragma_diagnostic): New.
11208 (init_pragma): Register it.
11209 * doc/extend.texi: Document it.
11211 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11212 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11213 (diagnostic_context): Add classify_diagnostic[].
11214 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11215 as errors if they're overridden to DK_WARNING.
11216 (diagnostic_initialize): Initialize classify_diagnostic[].
11217 (diagnostic_set_kind_override): New.
11218 (diagnostic_report_diagnostic): Check for kind changes.
11219 * opts.c (common_handle_option): Take lang_mask. Update callers.
11220 Handle OPT_Werror_.
11221 * common.opt (Werror=): New.
11222 * doc/invoke.texi: Document -Werror=*
11224 2006-01-18 Jeff Law <law@redhat.com>
11226 * tree-vrp.c (test_for_singularity): Correct test for new
11227 min limit. Use operand_equal_p rather than pointer equality
11228 for testing if new min/max values are equal.
11230 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11231 using range information until after propagation and folding.
11233 2006-01-18 Richard Henderson <rth@redhat.com>
11234 Aldy Hernandez <aldyh@redhat.com>
11235 Jakub Jelinek <jakub@redhat.com>
11236 Diego Novillo <dnovillo@redhat.com>
11238 * omp-low.c: New file.
11239 * c-omp.c: New file.
11241 2006-01-18 Richard Henderson <rth@redhat.com>
11242 Jakub Jelinek <jakub@redhat.com>
11243 Diego Novillo <dnovillo@redhat.com>
11245 * doc/invoke.texi: Document -fopenmp.
11246 * tree-dump.h (debug_function): Declare.
11247 * hooks.c (hook_bool_tree_bool_false): New function.
11248 (hook_tree_tree_null): Remove.
11249 (hook_tree_tree_tree_null): New.
11250 * hooks.h: Update to match.
11251 * tree-pretty-print.c (debug_tree_chain): New.
11252 (print_generic_expr): Handle TDF_CHAIN.
11253 (dump_generic_node): Handle BLOCK.
11254 Do not abort with incomplete SWITCH_EXPRs.
11255 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11256 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11257 print space after directive name.
11258 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11259 Handle OMP_MASTER and OMP_ORDERED.
11260 Handle printing of OMP_BODY just in one place, goto
11261 dump_omp_body in the rest of OMP_* nodes that have
11262 OMP_BODY.
11263 Don't handle clause nodes here. Update omp statements to
11264 use dump_omp_clauses.
11265 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11266 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11267 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11268 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11269 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11270 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11271 Adjust output for GOMP_PARALLEL.
11272 (dump_omp_clauses): New.
11273 (print_declaration): Dump DECL_VALUE_EXPR.
11274 (op_symbol_1): Split out of op_symbol.
11275 (dumping_stmts): Remove. Update all users.
11276 * cgraph.c (cgraph_analyze_queue): New.
11277 (cgraph_add_new_function): New.
11278 * cgraph.h (cgraph_analyze_queue): Declare.
11279 (cgraph_add_new_function): Declare.
11280 (cgraph_lower_function): Remove.
11281 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11282 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11283 and TYPE_P nodes in its default clause.
11284 (empty_body_p): New.
11285 (tree_range_check_failed): New.
11286 (build5_stat): New.
11287 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11288 OMP_CLAUSE_REDUCTION_MERGE,
11289 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11290 OMP_CLAUSE_PRIVATE_DEBUG,
11291 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11292 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11293 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11294 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11295 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11296 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11297 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11298 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11299 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11300 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11301 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11302 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11303 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11304 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11305 (TREE_RANGE_CHECK): New.
11306 (empty_body_p): Declare.
11307 (enum omp_clause_default_kind): New.
11308 (build_string_literal): Declare.
11309 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11310 (build5_stat, build5): Declare.
11311 * tree-pass.h (TDF_CHAIN): Define.
11312 * tree-pass.h (PROP_gimple_lomp): Define.
11313 (pass_lower_omp): Declare.
11314 * diagnostic.h (debug_tree_chain): Declare.
11315 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11316 mode_for_size.
11317 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11318 * builtins.c (build_string_literal): Make extern.
11319 * gcc.c (include_spec_function): New.
11320 (static_spec_functions): Add it.
11321 (main): Move load of libgomp.spec ...
11322 (LINK_COMMAND_SPEC): ... here.
11323 (link_gomp_spec): New.
11324 (static_specs): Include it.
11325 (LINK_COMMAND_SPEC): Add link_gomp.
11326 (GOMP_SELF_SPECS): New.
11327 (driver_self_specs): Include it.
11328 (switch_matches): Don't mark inline.
11329 (main): Load libgomp.spec.
11330 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11331 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11332 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11333 * tree-gimple.h (enum omp_parallel): Declare.
11334 (determine_parallel_type): Declare.
11335 (omp_firstprivatize_variable): Declare.
11336 (omp_reduction_init): Declare.
11337 (diagnose_omp_structured_block_errors): Declare.
11338 (struct walk_stmt_info): Add want_return_expr.
11339 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11340 (find_omp_clause): Declare.
11341 (insert_field_into_struct): Declare.
11342 (struct walk_stmt_info): Move from tree-nested.c
11343 (walk_stmts): Declare.
11344 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11345 to 200505.
11346 * cgraphunit.c (cgraph_lower_function): Make static.
11347 (cgraph_finalize_pending_functions): New.
11348 (cgraph_finalize_function): Call it.
11349 (cgraph_finalize_compilation_unit): Likewise.
11350 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11351 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11352 (BT_FN_UINT_UINT): New.
11353 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11354 DEF_FUNCTION_TYPE_VAR_4): Document.
11355 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11356 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11357 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11358 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11359 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11360 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11361 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11362 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11363 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11364 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11365 into separate files.
11366 (DEF_GOMP_BUILTIN): New.
11367 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11368 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11369 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11370 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11371 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11372 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11373 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11374 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11375 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11376 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11377 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11378 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11379 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11380 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11381 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11382 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11383 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11384 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11385 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11386 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11387 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11388 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11389 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11390 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11391 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11392 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11393 * sync-builtins.def: New file, moved from builtins.def.
11394 * omp-builtins.def: New file, moved from builtins.def.
11395 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11396 * gimple-low.c (lower_function_body): Clear data.
11397 (lower_stmt): Do not handle COMPOUND_EXPR.
11398 Remove call to print_node_brief.
11399 * c-tree.h (c_finish_omp_clauses): New prototype.
11400 (C_DECL_THREADPRIVATE_P): Define.
11401 (lookup_name_no_remap, c_omp_remap_private): Remove
11402 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11403 (check_for_loop_decls): Update decl.
11404 (lookup_name_no_remap, c_omp_remap_private): Declare.
11405 (build_indirect_ref, build_modify_expr, pushdecl,
11406 pushdecl_top_level): Move to c-common.h.
11407 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11408 before the switch, but just in the 2 places that need it.
11409 * c-decl.c (diagnose_mismatched_decls): Do not check for
11410 mismatched thread-local attributes when OLDDECL is marked
11411 threadprivate and NEWDECL has no thread-local attributes.
11412 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11413 (c_gimple_diagnostics_recursively): Rename from
11414 c_warn_unused_result_recursively. Invoke
11415 diagnose_omp_structured_block_errors.
11416 (check_for_loop_decls): Return a singular decl found.
11417 * langhooks.c (lhd_omp_predetermined_sharing): Return
11418 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11419 (lhd_omp_firstprivatize_type_sizes): New.
11420 (lhd_omp_assignment): New.
11421 (lhd_omp_predetermined_sharing): New.
11422 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11423 (struct lang_hooks_for_types): Add
11424 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11425 omp_predetermined_sharing, omp_disregard_value_expr,
11426 omp_private_debug_clause, omp_clause_default_ctor,
11427 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11428 (c_finish_omp_clauses): New.
11429 (c_finish_bc_stmt): Diagnose break within omp for.
11430 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11431 (build_unary_op): Return error_mark after reporting
11432 a readonly_error.
11433 (build_modify_expr): Likewise.
11434 * gimplify.c: Include optabs.h and pointer-set.h.
11435 (enum gimplify_omp_var_data): Declare.
11436 (struct gimplify_omp_ctx): Declare.
11437 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11438 and combined_ctxp.
11439 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11440 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11441 (splay_tree_compare_decl_uid): New.
11442 (new_omp_context): New.
11443 (delete_omp_context): New.
11444 (gimple_add_tmp_var): Call omp_add_variable.
11445 (gimplify_bind_expr): Likewise.
11446 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11447 true, disregard DECL_VALUE_EXPR on the decl if any.
11448 (gimplify_expr_in_ctx): New.
11449 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11450 omp_add_variable, omp_notice_variable, omp_is_private
11451 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11452 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11453 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11454 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11455 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11456 gimplify_omp_atomic): New.
11457 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11458 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11459 OMP_CRITICAL and OMP_ATOMIC.
11460 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11461 * c-pragma.h (enum pragma_kind): Add
11462 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11463 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11464 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11465 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11466 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11467 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11468 PRAGMA_OMP_THREADPRIVATE.
11469 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11470 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11471 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11472 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11473 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11474 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11475 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11476 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11477 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11478 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11479 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11480 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11481 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11482 OpenMP directives.
11483 (struct nesting_info): Add field_map,
11484 suppress_expansion, debug_var_chain.
11485 (create_nesting_tree): Initialize them.
11486 (lookup_field_for_decl): Use field_map.
11487 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11488 (convert_local_omp_clauses): New.
11489 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11490 (walk_body): Split out of walk_function.
11491 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11492 (convert_nonlocal_reference): Handle omp statements.
11493 (convert_local_reference): Likewise.
11494 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11495 (unnest_nesting_tree): New.
11496 (lower_nested_functions): Call it.
11497 (insert_field_into_struct): Make extern.
11498 (struct walk_stmt_info): Move to tree-gimple.h.
11499 (walk_stmts): Make extern.
11500 * omp-builtins.def: New file.
11501 * tree-iterator.c (expr_only): Clarify comment.
11502 * c-common.h (pushdecl_top_level, pushdecl,
11503 build_modify_expr, build_indirect_ref,
11504 c_finish_omp_master, c_finish_omp_critical,
11505 c_finish_omp_ordered, c_finish_omp_barrier,
11506 c_finish_omp_atomic, c_finish_omp_flush,
11507 c_finish_omp_for, c_split_parallel_clauses,
11508 omp_clause_default_kind, c_omp_sharing_predetermined,
11509 c_omp_remap_decl): Declare.
11510 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11511 (OBJS-common): Add omp-low.o.
11512 (c-omp.o, omp-low.o): Add.
11513 (gimplify.o): Add dependency on $(OPTABS_H).
11514 (GTFILES): Add omp-low.c.
11515 (gt-stringpool.h): Add.
11516 * tree-cfg.c (set_bb_for_stmt): Do not update the
11517 block-to-labels map if we are currently expanding to RTL.
11518 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11519 checks.
11520 Handle IDENTIFIER_NODE.
11521 (tree_verify_flow_info): Do not ICE when emitting error
11522 messages about invalid labels.
11523 (dump_function_to_file): Reset CFUN before emitting the body
11524 of the function.
11525 (debug_function): New.
11526 * passes.c (init_optimization_passes): Schedule
11527 pass_lower_omp.
11528 * langhooks-def.h (lhd_omp_predetermined_sharing,
11529 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11530 Declare.
11531 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11532 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11533 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11534 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11535 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11536 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11537 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11538 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11539 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11540 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11541 (LANG_HOOK_DECLS): Use them.
11543 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11544 Richard Henderson <rth@redhat.com>
11545 Jakub Jelinek <jakub@redhat.com>
11546 Diego Novillo <dnovillo@redhat.com>
11548 * c-parser.c (pragma_omp_clause): Define.
11549 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11550 (c_parser_compound_statement): Likewise.
11551 (c_parser_statement): Likewise.
11552 (c_parser_pragma): Handle omp pragmas.
11553 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11554 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11555 (c_parser_omp_clause_name, check_no_duplicate_clause,
11556 c_parser_omp_variable_list,
11557 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11558 c_parser_omp_clause_copyprivate,
11559 c_parser_omp_clause_default,
11560 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11561 c_parser_omp_clause_lastprivate,
11562 c_parser_omp_clause_nowait,
11563 c_parser_omp_clause_num_threads,
11564 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11565 c_parser_omp_clause_reduction,
11566 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11567 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11568 c_parser_omp_atomic, c_parser_omp_barrier,
11569 c_parser_omp_critical, c_parser_omp_flush,
11570 c_parser_omp_for_loop, c_parser_omp_for,
11571 c_parser_omp_master, c_parser_omp_ordered,
11572 c_parser_omp_sections_scope, c_parser_omp_sections,
11573 c_parser_omp_parallel, c_parser_omp_single,
11574 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11575 * c-pragma.c (init_pragma): Do omp pragma registration here.
11576 * c.opt (fopenmp): New flag.
11578 2006-01-18 Eric Christopher <echristo@apple.com>
11580 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11581 * config/darwin.h (GOMP_SELF_SPECS): Define.
11583 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11585 * rtl.h: Remove the prototype for reg_alloc.
11587 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11589 PR target/25731
11590 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11591 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11592 sjlj and dwarf2 exception handling.
11593 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11594 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11595 * pa/pa.c (function_value): Treat complex and vector types as
11596 aggregates.
11597 (function_arg): Likewise. Only pass scalar floats in the floating
11598 point argument registers.
11599 * pa/t-slibgcc-dwarf-ver: New file.
11600 * pa/t-slibgcc-sjlj-ver: New file.
11601 * pa/t-slibgcc-elf-ver: Delete file.
11603 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11605 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11606 unlikely_test_section_p test.
11608 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11610 * mode-switching.c (optimize_mode_switching): Make it static.
11611 * basic-block.h: Remove the prototype for
11612 optimize_mode_switching.
11614 * modulo-sched.c (sms_schedule): Make it static.
11615 * rtl.h: Remove the prototype for sms_schedule.
11617 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11618 * rtl.h: Remove the prototype for gcse_after_reload_main.
11620 * reg-stack.c (reg_to_stack): Make it static.
11621 * rtl.h: Remove the prototype for reg_to_stack.
11623 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11624 Make them static.
11625 * rtl.h: Remove the prototypes for regrename_optimize and
11626 copyprop_hardreg_forward.
11628 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11630 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11631 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11632 Test against the appropriate null constant for the mode.
11633 If 'fixup_overlap' is true, swap the operands if they overlap.
11634 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11635 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11636 alpha_split_tmode_pair and adjust for above change.
11637 * config/alpha/alpha.md (movtf_internal): Adjust call to
11638 alpha_split_tfmode_pair and rely on it to swap the operands.
11639 (movti_internal): New insn and post-reload splitter.
11640 (movti): New expander.
11642 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11644 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11645 operands.
11647 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11649 * rtlanal.c (global_reg_mentioned_p_1,
11650 global_reg_mentioned_p): Remove.
11651 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11653 * flow.c (initialize_uninitialized_subregs): Make it static.
11654 * rtl.h: Remove the prototype for
11655 initialize_uninitialized_subregs.
11657 * function.c (instantiate_virtual_regs): Make it static.
11658 * function.h: Remove the prototype for
11659 instantiate_virtual_regs.
11661 * regmove.c (regmove_optimize, combine_stack_adjustments):
11662 Make them static.
11663 * rtl.h: Remove the prototypes for regmove_optimize and
11664 combine_stack_adjustments.
11666 2006-01-17 Roger Sayle <roger@eyesopen.com>
11668 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11669 (size_cost): Encode costs in bytes so that a reg-reg addition is
11670 equivalent to COSTS_N_INSNS(1).
11671 (override_options): Use the size_cost.branch_cost as the default
11672 ix86_branch_cost when optimizing for size.
11674 2006-01-18 Ben Elliston <bje@au.ibm.com>
11676 * Makefile.in (D32PBIT_FUNCS): New.
11677 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11678 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11679 D64PBIT_FUNCS and D128PBIT_FUNCS.
11680 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11681 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11682 D128PBIT are set.
11683 (decnumber_dep): Define.
11684 * doc/libgcc.texi (Decimal float library routines): New node.
11685 * config/dfp-bit.h, config/dfp-bit.c: New files.
11687 2006-01-18 Ben Elliston <bje@au.ibm.com>
11689 * expr.c (emit_move_change_mode): Always adjust addresses, not
11690 just during reload. Copy replacements only during reload.
11691 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11692 emit_move_via_integer.
11694 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11696 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11697 instead of $(srcdir) and ${srcdir}.
11699 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11701 PR target/592
11702 PR middle-end/11135
11703 * arm.h (struct machine_function): Add pic_reg.
11704 * arm.c (arm_pic_register): Make unsigned.
11705 (arm_override_options): Only set arm_pic_register if
11706 TARGET_SINGLE_PIC_BASE.
11707 (use_return_insn): Only test for a pic register if it is fixed.
11708 (arm_compute_save_reg0_reg12_mask): Likewise.
11709 (thumb_compute_save_reg_mask): Likewise.
11710 (legitimate_pic_operand): Factor out some known invariants.
11711 (legitimize_pic_address): If we don't have a fixed pic register,
11712 then set up a pseudo in the function entry sequence. Handle the
11713 pic base being in a pseudo.
11714 (arm_load_pic_register): Handle the pic register being in a pseudo.
11715 (arm_expand_prologue): Only set up the pic register if it is fixed.
11716 (thumb_expand_prologue): Likewise.
11717 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11718 (pic_load_addr_based_insn): Likewise.
11719 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11720 fixed.
11722 2006-01-18 Ben Elliston <bje@au.ibm.com>
11724 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11725 decimal float modes for all floating point registers.
11727 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11728 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11730 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11732 PR c/25682
11733 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11734 even when the pointer is not NULL.
11736 2006-01-16 Ian Lance Taylor <ian@airs.com>
11738 * common.opt (ftoplevel-reorder): New option.
11739 * cgraph.c (cgraph_asm_nodes): New global variable.
11740 (cgraph_asm_last_node): New static variable.
11741 (cgraph_order): New global variable.
11742 (cgraph_create_node): Set new order field.
11743 (cgraph_varpool_node): Likewise.
11744 (decide_is_variable_needed): Return true if not
11745 flag_toplevel_reorder.
11746 (cgraph_add_asm_node): New function.
11747 * cgraph.h (struct cgraph_node): Add order field.
11748 (struct cgraph_varpool_node): Add order field.
11749 (struct cgraph_asm_node): Define.
11750 (cgraph_asm_nodes, cgraph_order): Declare.
11751 (cgraph_add_asm_node): Declare.
11752 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11753 function.
11754 (cgraph_varpool_assemble_pending_decls): Call it.
11755 (cgraph_output_pending_asms): New static function.
11756 (cgraph_finalize_compilation_unit): Call it.
11757 (struct cgraph_order_sort): Define.
11758 (cgraph_output_in_order): New static function.
11759 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11760 !flag_toplevel_reorder case.
11761 * c-parser.c: Include "cgraph.h".
11762 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11763 assemble_asm.
11764 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11765 than -fno-unit-at-a-time.
11766 * doc/invoke.texi (Option Summary): Mention
11767 -fno-toplevel-reorder.
11768 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11769 -funit-at-a-time documentation.
11771 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11772 Kazu Hirata <kazu@codesourcery.com>
11774 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11776 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11778 * Makefile.in (FUNCTION_H): New. Use it instead of
11779 function.h throughout the file.
11780 * function.h: Include tree.h.
11782 2006-01-17 Ben Elliston <bje@au.ibm.com>
11784 * recog.c: Separate some functions with whitespace.
11786 2006-01-16 Richard Henderson <rth@redhat.com>
11788 Merge from gomp branch:
11789 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11790 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11791 and rename from struct inline_data. Rename callee* to dst*;
11792 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11793 transform_new_cfg, transform_return_to_modify, and
11794 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11795 update_clones_p.
11796 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11797 (copy_decl_for_dup): Remove.
11798 * tree-inline.c (struct inline_data): Move to header.
11799 (insert_decl_map): Export.
11800 (remap_decl): Update for member name changes. Use copy_decl hook.
11801 Allow for replacement to be a non-decl. Remove dead code.
11802 (remap_type_1): Check for existing mapping.
11803 (remap_type): Export.
11804 (remap_decls): Update for member name changes.
11805 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11806 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11807 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11808 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11809 (tree_function_versioning, build_duplicate_type): Likewise.
11810 (copy_body_r): Likewise. Export.
11811 (copy_decl_for_dup): Split into ...
11812 (copy_decl_for_dup_finish, copy_decl_to_var,
11813 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11814 (replace_ref_tree, inlining_p): Remove.
11816 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11818 * ifcvt.c (if_convert): Make it static.
11819 * rtl.h: Remove the prototype for if_convert.
11821 * local-alloc.c (local_alloc): Make it static.
11822 * rtl.h: Remove the prototype for local_alloc.
11824 * loop.c (loop_optimize): Make it static.
11825 * cfgloop.h: Remove the prototype for loop_optimize.
11826 * rtl.h: Likewise.
11828 2006-01-16 DJ Delorie <dj@redhat.com>
11830 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11831 mems.
11833 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11835 * pa.md: Disparage copies between general and floating-point registers
11836 in 32-bit move patterns.
11838 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11840 PR testsuite/25741
11841 * Makefile.in (check-%): Depend on site.exp instead of
11842 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11843 directories.
11845 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11847 * global.c (global_alloc): Make it static.
11848 * rtl.h: Remove the prototype for global_alloc.
11850 2006-01-16 Richard Guenther <rguenther@suse.de>
11852 * tree-ssa-alias.c (struct used_part): Add write_only field.
11853 (get_or_create_used_part_for): Initialize it to true.
11854 (create_overlap_variables_for): Don't create structure variables
11855 for structures that only are written to.
11856 (find_used_portions): Handle MODIFY_EXPR to track whether a
11857 structure is only written to.
11859 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11861 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11862 static.
11863 * basic-block.h: Remove the prototype for
11864 partition_hot_cold_basic_blocks.
11866 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11868 * cppspec.c (lang_specific_spec_functions): Remove.
11869 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11870 * gcc.h (lang_specific_spec_functions): Remove.
11871 * gccspec.c (lang_specific_spec_functions): Remove.
11873 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11875 * combine.c (record_value_for_reg): Invalidate registers
11876 if INSN is null.
11877 (record_dead_and_set_regs_1): Likewise, by passing them to
11878 record_value_for_reg.
11879 (record_dead_and_set_regs): Invalidate stores made by a
11880 call. We do not combine across a call, but we still
11881 relied on equivalences.
11883 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11885 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11886 vrp_int_const_binop returning non-constant nodes.
11888 2006-01-16 Paul Brook <paul@codesourcery.com>
11890 * config/m68k/m68k.c (output_move_const_into_data_reg):
11891 Output correct mnemonic for mvz and mvs.
11893 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11895 * rtl-factoring.c: Add sequence abstraction algorithm.
11896 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11897 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11898 ABNORMAL edges.
11899 (block_has_preserve_label): New function.
11900 * common.opt: Register new pass.
11901 * Makefile.in: Ditto.
11902 * passes.c: Ditto.
11903 * timevar.def: Ditto.
11904 * tree-pass.h: Ditto.
11905 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11906 * rtl.h (make_jump_insn_raw): Add forward decl.
11907 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11909 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11910 Roger Sayle <roger@eyesopen.com>
11912 * fold-const.c (fold_minmax): New static function.
11913 (fold_binary) <MIN_EXPR>: Call it.
11914 <MAX_EXPR>: Likewise.
11915 * stor-layout.c (place_field): Use DECL_SIZE consistently
11916 in the computation of the new record size.
11918 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11920 * cse.c (cse_condition_code_reg): Make it static.
11921 * rtl.h: Remove the prototype for cse_condition_code_reg.
11923 * combine.c (combine_instructions): Make it static.
11924 * rtl.h: Remove the prototype for combine_instructions.
11926 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11928 PR target/25168
11929 * tree.c (get_file_function_name_long): Concatenate the first global
11930 object name with a string derived from the input filename of the object
11931 for type "F".
11933 2006-01-16 Ben Elliston <bje@au.ibm.com>
11935 * config/i386/winnt-stubs.c: Update FSF address.
11936 * config/xtensa/ieee754-df.S: Ditto.
11937 * config/xtensa/ieee754-sf.S: Ditto.
11939 2006-01-14 Ian Lance Taylor <ian@airs.com>
11941 * ifcvt.c (noce_init_if_info): New static function, broken out of
11942 noce_process_if_block.
11943 (noce_process_if_block): Call noce_init_if_info.
11944 (check_cond_move_block): New static function.
11945 (cond_move_process_if_block): New static function.
11946 (process_if_block): Call cond_move_process_if_block.
11948 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11950 * cselib.c (hash_table): Rename to cselib_hash_table.
11951 (cselib_clear_table, discard_useless_values,
11952 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11953 cselib_init, cselib_finish): Adjust uses of hash_table.
11955 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11957 PR tree-optimization/25485
11958 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11959 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11960 is known to be false and true, respectively.
11962 2006-01-14 Richard Guenther <rguenther@suse.de>
11964 PR tree-optimization/22548
11965 PR tree-optimization/22555
11966 PR tree-optimization/22501
11967 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11968 * params.def (salias-max-array-elements): New parameter.
11969 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11970 * doc/invoke.texi (salias-max-array-elements): Document.
11971 * tree-flow-inline.h (var_can_have_subvars): We also handle
11972 arrays now.
11973 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11974 COMPONENT_REF.
11975 * tree-ssa-structalias.c (params.h): Include.
11976 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11977 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11978 (get_constraint_for): For ADDR_EXPR operating on something
11979 containing an ARRAY_REF, add all subvars to the solution.
11980 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11981 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11982 for creating MUST_DEFs.
11983 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11985 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11987 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11988 functions.
11989 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11990 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11991 number_of_iterations_le): New functions.
11992 (number_of_iterations_special): Removed.
11993 (number_of_iterations_exit): Do not use number_of_iterations_special.
11994 * tree.c (unsigned_type_for): Always return integer type.
11996 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11997 Richard Guenther <rguenther@suse.de>
11999 PR rtl-optimization/24257
12000 * gcse.c (find_moveable_store): Only consider a store movable
12001 when the SET_SRC of the insn can be assigned to a register.
12003 2006-01-14 Ian Lance Taylor <ian@airs.com>
12005 * tree.c (tree_not_class_check_failed): New function.
12006 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12007 (tree_not_class_check_failed): Declare.
12009 2006-01-13 Ian Lance Taylor <ian@airs.com>
12011 * reload1.c (do_output_reload): Add assertion rejecting a
12012 CALL_INSN.
12014 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12016 * combine.c (struct reg_stat): Add new fields truncation_label and
12017 truncated_to_mode.
12018 (record_value_for_reg): Reset truncated_to_mode.
12019 (record_truncated_value): New function.
12020 (check_promoted_subreg): Call it. Rename to check_conversions.
12021 (combine_instructions): Rename check_promoted_subreg to
12022 check_conversions.
12023 (reg_truncated_to_mode): New function.
12024 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12025 (gen_lowpart_or_truncate): New function.
12026 (force_to_mode): Use it instead of gen_lowpart.
12028 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12030 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12031 VAR is a tag, not its type tag.
12033 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12035 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12036 alternatives to match style of other entries.
12037 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12039 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12041 PR tree-optimization/25771
12042 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12043 SSA_NAMES.
12045 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12047 PR tree-opt/24365
12048 * tree-inline.c (declare_return_variable): If the return variable
12049 was marked as a non gimple complex, set the return slot variable
12050 to be a non gimple comple variable.
12052 2006-01-13 Richard Guenther <rguenther@suse.de>
12054 * builtins.c (expand_builtin_sincos): New function.
12055 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12056 do not set errno.
12057 (expand_builtin): Expand sincos using expand_builtin_sincos.
12059 2006-01-12 DJ Delorie <dj@redhat.com>
12061 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12062 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12063 so that constant shifts can be split.
12064 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12065 (m32c_valid_pointer_mode): Make static.
12066 (shift_gen_func_for): New.
12067 (m32c_prepare_shift): Use it. Split large const shifts into
12068 multiple shifts.
12069 * config/m32c/predicates.md (shiftcount_operand): Allow more
12070 general operands.
12071 (longshiftcount_operand): New.
12072 * doc/md.texi (Machine Constraints): Document In6.
12074 2006-01-13 Ben Elliston <bje@au.ibm.com>
12076 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12077 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12078 documentation.
12080 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12082 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12083 to try to avoid clobbering pieces of structures when we know
12084 something about the whole structure.
12085 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12087 2006-01-13 Ben Elliston <bje@au.ibm.com>
12089 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12090 return in memory, as this is no limitation is no longer present.
12092 2006-01-12 DJ Delorie <dj@redhat.com>
12094 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12095 mova with fb, and for fb+0 -> An.
12097 * config/m32c/mov.md (peephole2): Fix enabling logic.
12099 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12100 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12101 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12102 FINI_ARRAY_SECTION_ASM_OP): Define.
12104 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12105 variable.
12106 (m32c_legitimize_reload_address): New logic to reload FB to An.
12107 (m32c_output_reg_push): Add newline.
12108 (m32c_output_reg_pop): Likewise.
12110 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12112 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12114 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12116 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12118 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12120 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12121 match_code.
12123 2006-01-11 Ben Elliston <bje@au.ibm.com>
12125 * rtlanal.c (find_reg_note): Assert insn is not null.
12127 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12129 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12130 ifdef.
12132 2006-01-11 Jeff Law <law@redhat.com>
12134 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12135 hold edge pairs.
12136 (mark_threaded_blocks, register_jump_thread): New functions.
12137 (thread_through_all_blocks): Remove unwanted argument. No
12138 longer rely on e->aux to communicate thread target info.
12139 Call mark_threaded_blocks. Release the threaded_blocks
12140 bitmap and threaded_edges vector when complete.
12141 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12142 (threaded_blocks): Remove.
12143 (tree_ssa_dominator_optimize): Remove initialization and
12144 finalization of threaded_blocks. Simplify call to
12145 thread_through_all_blocks.
12146 (thread_across_edge): Call register_jump_thread rather than
12147 storing thread information into e->aux.
12148 (free_all_edge_infos): Simplify now that e->aux is no longer
12149 used to communicate with thread_through_all_blocks.
12150 * tree-flow.h (thread_through_all_blocks): Update prototype.
12151 (register_jump_thread): Prototype.
12153 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12155 * df-core.c (df_compact_blocks, df_bb_replace): Use
12156 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12158 2006-01-11 Richard Guenther <rguenther@suse.de>
12160 PR tree-optimization/25734
12161 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12162 stop propagation after successful propagation to the LHS.
12164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12166 * basic-block.h (control_flow_graph): Change the type of
12167 x_basic_block_info to VEC(basic_block,gc) *.
12168 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12169 basic_block_info.
12170 (SET_BASIC_BLOCK): New.
12171 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12172 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12173 * cfgbuild.c (find_basic_blocks): Likewise.
12174 * cfglayout.c (fixup_reorder_chain): Likewise.
12175 * cfgrtl.c (create_basic_block_structure,
12176 rtl_create_basic_block): Likewise.
12177 * ifcvt.c (find_if_case_1): Likewise.
12178 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12179 Likewise.
12181 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12183 * Makefile.in: Removed rotted odf.c entry.
12185 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12187 PR target/25706
12188 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12189 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12190 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12191 output pattern modifier, not %e.
12192 * config/cris/cris.c (cris_op_str): Update comment about pattern
12193 modifier.
12194 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12195 before falling through into...
12196 <case 'E'>: Redefined from old 'e' case.
12198 2006-01-11 Jan Hubicka <jh@suse.cz>
12200 PR target/25042
12201 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12203 2006-01-11 Jan Hubicka <jh@suse.cz>
12205 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12206 * i386.c (x86_decompose_lea): Kill.
12207 (ix86_rtx_costs): Kill.
12209 2006-01-11 Jan Hubicka <jh@suse.cz>
12211 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12212 * cgraph.h (cgraph_node): Add inline_decl.
12213 (cgraph_insert_node_to_hashtable): Declare.
12214 (save_inline_function_body): Declare.
12215 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12216 clones.
12217 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12218 (cgraph_function_versioning): Update call of tree_function_versioning.
12219 (save_inline_function_body): New function.
12220 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12221 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12222 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12223 (cgraph_default_inline_p): Likewise.
12224 (cgraph_decide_inlining_incrementally): Likewise.
12225 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12226 (copy_bb): Kill saving; do updating of clones.
12227 (copy_cfg_body): Kill saving.
12228 (initialize_inlined-parameters): Likewise.
12229 (expand_call_inline): Likewise.
12230 (save_body): Kill.
12231 (tree_function_versioning): New parameter "update_clones".
12232 (inlining_p): Kill saving.
12233 * tree-inline.h (tree_function_versioning): Update prototype.
12234 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12235 saving.
12237 2006-01-11 Ian Lance Taylor <ian@airs.com>
12239 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12240 Allow undoing set of machine mode.
12241 (do_SUBST): Use enums instead of is_int.
12242 (do_SUBST_MODE): New function.
12243 (SUBST_MODE): New macro.
12244 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12245 reg and trying to replace reg_regno_rtx with a new register.
12246 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12247 (simplify_set): Use SUBST_MODE.
12248 (distribute_notes): Remove code that tried to update reg notes
12249 for regno_reg_rtx changes.
12251 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12253 PR tree-optimization/23109
12254 PR tree-optimization/23948
12255 PR tree-optimization/24123
12257 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12258 * tree-cfg.c (single_noncomplex_succ): New.
12259 * tree-flow.h (single_noncomplex_succ): Declare it.
12260 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12261 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12262 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12263 insert_bb, register_division_in, insert_reciprocals,
12264 replace_reciprocal, free_bb): New.
12265 (execute_cse_reciprocals_1): Rewritten.
12266 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12267 Do not commit any edge insertion. Always compute dominators and
12268 create the allocation pool.
12269 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12270 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12271 * targhooks.c (default_min_divistions_for_recip_mul): New.
12272 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12273 * passes.c (init_optimization_passes): Run recip after tree loop
12274 optimizations.
12275 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12277 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12278 Kenneth Zadeck <zadeck@naturalbridge.com>
12280 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12281 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12282 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12283 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12284 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12285 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12286 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12287 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12288 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12289 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12290 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12291 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12292 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12293 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12294 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12295 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12296 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12297 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12298 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12299 DF_SCAN_POST_ALLOC): New macros.
12300 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12301 df_free_bb_function, df_local_compute_function, df_init_function,
12302 df_dataflow_function, df_confluence_function_0,
12303 df_confluence_function_n, df_transfer_function,
12304 df_finalizer_function, df_free_function, df_dump_problem_function,
12305 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12306 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12307 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12308 df_urec_bb_info, ) New types.
12309 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12310 variables.
12311 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12312 df_analyze_simple_change_some_blocks,
12313 df_analyze_simple_change_one_block, df_compact_blocks,
12314 df_bb_replace, df_bb_regno_last_use_find,
12315 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12316 df_insn_regno_def_p, df_find_def, df_find_use,
12317 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12318 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12319 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12320 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12321 debug_df_chain, df_get_dependent_problem, df_chain_create,
12322 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12323 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12324 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12325 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12326 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12327 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12328 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12329 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12330 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12331 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12332 df_reorganize_refs, df_set_state, df_hard_reg_init,
12333 df_read_modify_subreg_p) New public functions.
12334 * df-core.c: The core dataflow solver and glue routines for rtl
12335 dataflow.
12336 (df_init, df_add_problem, df_set_blocks, df_finish,
12337 df_hybrid_search_forward, df_hybrid_search_backward,
12338 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12339 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12340 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12341 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12342 df_reg_defined, df_find_use, df_reg_used, df_dump,
12343 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12344 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12345 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12346 debug_df_useno, reset_df_after_reload): New functions.
12347 * df-scan.c: The scanning fuctions, once in df.c, completely
12348 rewritten so that they now fully model the functionality of
12349 register usage at the backend.
12350 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12351 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12352 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12353 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12354 df_get_artificial_defs, df_get_artificial_uses,
12355 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12356 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12357 df_refs_delete, df_reorganize_refs, df_set_state,
12358 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12359 df_def_record_1, df_defs_record, df_uses_record,
12360 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12361 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12362 df_record_exit_block_uses, df_hard_reg_init): New functions.
12364 * df-problems.c: Seven concrete dataflow problems that use the
12365 scanning in df-scan.c and are solved by the engine in df-core.c.
12366 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12367 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12368 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12369 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12370 df_ru_free_bb_info, df_ru_alloc,
12371 df_ru_bb_local_compute_process_def,
12372 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12373 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12374 df_ru_transfer_function, df_ru_free, df_ru_dump,
12375 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12376 df_rd_free_bb_info, df_rd_alloc,
12377 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12378 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12379 df_rd_transfer_function, df_rd_free, df_rd_dump,
12380 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12381 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12382 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12383 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12384 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12385 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12386 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12387 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12388 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12389 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12390 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12391 df_urec_mark_reg_use_for_earlyclobber,
12392 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12393 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12394 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12395 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12396 df_chain_create_bb_process_use, df_chain_create_bb,
12397 df_chain_finalize, df_chain_free, df_chains_dump,
12398 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12399 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12400 df_reg_lifetime): New functions.
12401 * df.c: Deleted file.
12402 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12403 consistent with new df api.
12404 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12405 rest_of_handle_sms): Ditto.
12406 * web.c (unionfind_union, union_defs, entry_register, web_main):
12407 Ditto.
12408 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12409 invariant_expr_equal_p, find_defs, check_dependencies,
12410 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12411 free_inv_motion_data, move_loop_invariants): Ditto.
12412 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12413 Update dependencies.
12414 (odf.c): Added defective entry that was deleted later in day.
12415 * sched-deps.c (sched_analyze_1): Ditto.
12417 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12419 * tree-ssa-operands.c (get_expr_operands): Record addressable
12420 variables directly. Do not call add_stmt_operands for CONST_DECLs
12421 and ARRAY_DECLs.
12422 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12423 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12425 2006-01-11 Ben Elliston <bje@au.ibm.com>
12427 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12428 function returns true in the positive case.
12430 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12432 PR target/20754
12433 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12434 for SI, DI, SF and DF modes. Add alternatives to copy between
12435 general and floating point registers to the 32-bit patterns.
12436 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12437 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12438 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12439 generating 64-bit code.
12440 * config/pa/pa.c (output_move_double): Handle copies between general
12441 and floating registers.
12443 2006-01-10 Stuart Hastings <stuart@apple.com>
12445 * config/i386/i386.md (set_got): Update.
12446 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12447 (builtin_setjmp_receiver): Mach-O support.
12448 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12449 (GOT_SYMBOL_NAME): Define.
12450 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12451 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12452 * config/i386/i386.c (override_options): Revise for Darwin.
12453 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12454 support. (darwin_x86_file_end): New. (output_set_got): Add label
12455 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12456 * config/i386/i386-protos.h (output_set_got): Likewise.
12457 * config/darwin.c (machopic_legitimize_pic_address): Update
12458 regs_ever_live[].
12460 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12462 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12463 when MODE isn't BLKmode.
12465 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12467 PR rtl-optimization/25367
12468 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12470 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12472 PR target/25718
12473 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12474 for a negative bound.
12476 2006-01-10 Richard Guenther <rguenther@suse.de>
12478 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12479 Never override with anything constraint.
12481 2006-01-10 Jan Beulich <jbeulich@novell.com>
12483 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12484 256 bits when optimize_size.
12486 2006-01-10 Jan Beulich <jbeulich@novell.com>
12488 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12489 MASK_ALIGN_DOUBLE.
12490 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12491 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12492 arguments.
12494 2006-01-10 Ben Elliston <bje@au.ibm.com>
12496 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12497 float modes.
12498 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12499 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12500 (USE_FP_FOR_ARG): Reject decimal float modes.
12501 (function_arg_advance): Likewise.
12502 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12503 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12504 point types in AltiVec vectors.
12505 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12506 (rs6000_libcall_value): Likewise.
12508 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12510 * config/xtensa/ieee754-df.S: New file.
12511 * config/xtensa/ieee754-sf.S: New file.
12512 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12513 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12514 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12516 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12518 * config/sh/predicates.md (binary_float_operator,
12519 binary_logical_operator, commutative_float_operator,
12520 equality_comparison_operator, greater_comparison_operator,
12521 less_comparison_operator, logical_operator,
12522 noncommutative_float_operator, shift_operator,
12523 symbol_ref_operand, unary_float_operator): Remove redundant
12524 conditionals.
12526 2006-01-09 Jeff Law <law@redhat.com>
12528 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12529 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12530 now unused arguments. Callers updated.
12531 (eliminate_redundant_computations): Remove now unused arguments,
12532 callers updated.
12533 (local_fold): Remove, no longer used.
12534 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12535 and moved to...
12536 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12537 (simplify_cond): New function.
12538 (forward_propagate_into_cond): Call simplify_cond.
12540 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12542 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12543 (*vec_extractv2di_1_sse): New.
12545 2006-01-09 Ben Elliston <bje@au.ibm.com>
12547 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12549 2006-01-08 Richard Guenther <rguenther@suse.de>
12551 * tree-ssa-structalias.c (get_constraint_for): Remove
12552 anyoffset argument.
12553 (get_constraint_for_component_ref): Likewise.
12554 (do_deref): Likewise.
12555 (get_constraint_for): Likewise.
12556 (do_structure_copy): Likewise.
12557 (handle_ptr_arith): Likewise.
12558 (find_func_aliases): Likewise. Remove unused need_anyoffset
12559 variable.
12561 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12562 Kaz Kojima <kkojima@gcc.gnu.org>
12564 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12565 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12566 (EXTRA_CONSTRAINT_C16): Remove.
12567 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12568 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12569 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12570 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12571 constants of SHmedia. Handle nested constant expressions of
12572 SHmedia correctly.
12573 (andcosts): Fix the costs for SHmedia constants.
12574 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12575 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12576 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12577 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12578 (movv4hi_i, movv2si_i): Likewise.
12579 (movsi_const): Adjust the second operand of ior so to match with
12580 the Csu constraint.
12581 (movdi_const, movdi_const_32bit): Likewise.
12582 (movdi_const_16bit+1): Don't sign-extend LOW.
12583 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12584 step.
12585 (*double_shori): Fix the split condition. Use GEN_INT instead
12586 of get_int_mode calls. Mask lower 16-bit of the argument of
12587 the last GEN_INT.
12588 (sym2GOTPLT): Remove.
12589 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12590 gen_rtx_UNSPEC.
12591 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12592 instead of EXTRA_CONSTRAINT_C16.
12594 2006-01-07 Ian Lance Taylor <ian@airs.com>
12595 David Edelsohn <edelsohn@gnu.org>
12597 PR rtl-optimization/25662
12598 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12599 for constant operands instead of simplify_gen_binary.
12600 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12601 after trying simplify_binary_operation
12603 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12605 * tree.c (iterative_hash_expr): Hash decls based on UID.
12607 2006-01-06 Eric Christopher <echristo@apple.com>
12609 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12610 (TARGET_UNWIND_EMIT): Fix spelling.
12611 * target.h (gcc_target): Add except_table_label.
12612 * except.c (output_function_exception_table): Use.
12613 * varasm.c (default_emit_except_table_label): New.
12614 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12615 define.
12616 (asm_out): Add here.
12617 * output.h (default_emit_except_table_label): Prototype.
12618 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12619 * config/darwin.c (darwin_emit_except_table_label): Define.
12620 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12622 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12624 PR tree-optimization/18527
12625 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12626 number_of_iterations_special, number_of_iterations_exit):
12627 Move base and step of an iv to a single structure. Add
12628 no_overflow flag, and use it in # of iterations analysis.
12629 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12630 folded_casts argument.
12631 (simple_iv): Pass base and step in a structure. Set no_overflow
12632 flag.
12633 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12634 Evaluate expensiveness of computing # of iterations instead of
12635 the final expression.
12636 * tree-scalar-evolution.h (affine_iv): New structure.
12637 (simple_iv): Declaration changed.
12638 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12639 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12640 find_givs_in_stmt): Changed due to simple_iv change.
12642 2006-01-06 Jeff Law <law@redhat.com>
12644 PR ada/24994
12645 * tree-cfg.c (bsi_replace): Rename final argument from
12646 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12647 change (stmt -> orig_stmt).
12648 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12649 (bsi_remove): Add new argument. Remove EH information
12650 if requested.
12651 (verify_eh_throw_table_statements): New function.
12652 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12653 updated.
12654 * tree-optimize.c (execute_free_cfg_annotations): Verify
12655 the EH throw statement table after removing annotations.
12656 * except.h (verify_eh_throw_table_statements): Prototype.
12657 * tree-flow.h (bsi_remove): Update prototype.
12658 * tree-vrp.c (remove_range_assertions): Add new argument to
12659 bsi_remove call.
12660 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12661 * tree-complex.c (expand_complex_div_wide): Likewise.
12662 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12663 * tree-tailcall.c (eliminate_tailcall): Likewise.
12664 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12665 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12666 * tree-nrv.c (tree_nrv): Likewise.
12667 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12668 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12669 (combine_blocks): Likewise.
12670 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12671 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12672 (cleanup_control_flow): Likewise.
12673 (remove_forwarder_block): Likewise.
12674 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12675 * tree-sra.c (sra_replace): Likewise.
12676 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12677 (forward_propagate_single_use_vars): Likewise.
12678 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12679 * tree-inline.c (expand_call_inline): Likewise.
12680 * tree-vect-transform.c (vect_transform_loop): Likewise.
12681 * tree-outof-ssa.c (rewrite_trees): Likewise.
12682 * tree-cfg.c (make_goto_expr_edges): Likewise.
12683 (cleanup_dead_labels): Likewise.
12684 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12685 (bsi_move_before, bsi_move_after): Likewise.
12686 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12687 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12689 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12691 PR tree-opt/25528
12692 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12693 and IMAGPART_EXPR.
12694 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12695 on non gimple variables. Also add checks at the top for decls and
12696 mtags.
12697 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12698 complex types.
12699 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12700 and IMAGPART_EXPR for creating MUST_DEFs.
12701 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12702 and NAME_MEMORY_TAG separately from the DECLs.
12704 2006-01-06 Richard Guenther <rguenther@suse.de>
12706 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12707 annotation, if necessary.
12708 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12709 redundant calls to update_stmt.
12710 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12711 Likewise.
12713 2006-01-05 Richard Henderson <rth@redhat.com>
12715 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12717 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12719 * c-typeck.c: Update copyright date.
12721 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12723 * c-typeck.c (build_c_cast): Always warn when casting
12724 from a pointer to an integer of different size, even if
12725 the node was constant.
12727 2006-01-05 Richard Guenther <rguenther@suse.de>
12729 PR tree-optimization/22555
12730 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12731 if one structure field is an array.
12732 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12733 operands even if we found a subvar, but ignore VOPs in this
12734 case.
12735 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12736 for renaming.
12737 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12739 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12741 PR middle-end/24998
12742 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12744 2006-01-05 Richard Guenther <rguenther@suse.de>
12745 Diego Novillo <dnovillo@redhat.com>
12747 * tree-pass.h (TODO_remove_unused_locals): Define.
12748 * gimple-low.c (expand_var_p, remove_useless_vars,
12749 pass_remove_useless_vars): Remove. Update all users.
12750 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12751 (remove_unused_locals): New function.
12752 * tree-flow.h (remove_unused_locals): Declare.
12753 * passes.c (execute_todo): Call remove_unused_locals if
12754 TODO_remove_unused_locals is set.
12755 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12756 * tree-ssa-dce.c (pass_dce): Likewise.
12757 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12759 2006-01-05 Richard Guenther <rguenther@suse.de>
12761 * tree-flow.h (struct fieldoff): Decompose field to
12762 type, size and decl.
12763 * tree-ssa-alias.c (create_sft): Take type as parameter.
12764 (create_overlap_variables_for): Store type, size and decl
12765 in the fieldoff structure.
12766 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12767 of struct fieldoff.
12768 (push_fields_onto_fieldstack): Likewise.
12769 (create_variable_info_for): Likewise. Use offset for the
12770 SFT name if the decl is not available.
12772 2006-01-04 Paul Brook <paul@codesourcery.com>
12774 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12776 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12778 * lambda-code.c (can_put_in_inner_loop): Relax
12779 restrictions.
12780 (can_put_after_inner_loop): New function.
12781 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12782 (perfect_nestify): Change to make copies and modify uses.
12784 2006-01-04 Richard Henderson <rth@redhat.com>
12786 Merge from gomp branch:
12787 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12788 via integer constant.
12789 (pragma_lex): Remove.
12790 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12791 rather than parsing it.
12792 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12793 handle_pragma_extern_prefix): Add %< %> quotes.
12794 (registered_pragmas): New.
12795 (c_register_pragma_1): New.
12796 (c_register_pragma): Use it.
12797 (c_register_pragma_with_expansion): Likewise.
12798 (c_invoke_pragma_handler): New.
12799 (init_pragma): Use cpp_register_deferred_pragma directly for
12800 pch_preprocess.
12801 * c-pragma.h (enum pragma_kind): New.
12802 (pragma_handler): New.
12803 (c_invoke_pragma_handler): Declare.
12804 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12805 CPP_PRAGMA_EOL.
12806 * c-common.h (c_common_pch_pragma): Update decl.
12807 * Makefile.in (c-parser.o): Update dependencies.
12808 (GTFILES): Add c-pragma.h.
12809 * c-parser.c (struct c_token): Add pragma_kind.
12810 (struct c_parser): Add in_pragma.
12811 (c_lex_one_token): Always initialize keyword and pragma_kind.
12812 Extract data for CPP_PRAGMA.
12813 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12814 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12815 Don't allow CPP_PRAGMA_EOL if in_pragma.
12816 (c_parser_consume_pragma): New.
12817 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12818 (c_parser_skip_to_end_of_parameter): Likewise.
12819 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12820 (c_parser_skip_to_pragma_eol): New.
12821 (c_parser_external_declaration): Handle CPP_PRAGMA.
12822 (c_parser_compound_statement_nostart): Likewise.
12823 (c_parser_statement_after_labels): Likewise.
12824 (c_parser_pragma): New.
12825 (pragma_lex): Likewise.
12826 (c_parser_pragma_pch_preprocess): New.
12827 (c_parser_new): Merge into ...
12828 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12830 2006-01-04 Jeff Law <law@redhat.com>
12832 PR ada/24994
12833 * tree-cfg.c (bsi_replace): Remove the original statement
12834 from the EH throw statement table.
12836 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12838 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12839 make the prototype extern "C" and add throw ().
12841 PR target/25554
12842 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12843 and pos non-negative and pos + len <= 32.
12844 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12845 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12846 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12848 PR c/25559
12849 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12850 as well as sizes not multiple of component size.
12852 PR debug/25562
12853 * function.c (instantiate_expr): New function.
12854 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12855 walk its DECL_VALUE_EXPR with instantiate_expr.
12857 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12858 DW_OP_deref{,_size} if address isn't going to be added.
12860 2006-01-04 Ben Elliston <bje@au.ibm.com>
12862 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12863 * config/fp-bit.c: Likewise.
12865 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12867 * dominance.c: Add comment about why we use DFS numbering
12868 of dominance tree.
12870 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12871 Richard Henderson <rth@redhat.com>
12873 Merge from gomp-branch:
12874 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12875 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12877 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12879 PR rtl-optimization/25578
12880 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12881 pass a parameter to simplify_shift_const if changing ASHIFTRT
12882 to LSHIFTRT.
12884 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12886 * builtins.c (get_builtin_sync_mem): New function.
12887 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12888 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12889 Call get_builtin_sync_mem to generate mem rtx.
12891 2006-01-03 Richard Guenther <rguenther@suse.de>
12893 PR c/25183
12894 * stmt.c (add_case_node): Make sure to clear overflow flags
12895 from ranges.
12897 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12899 Merge from gomp-branch.
12900 * config/sparc/sync.md: New file.
12901 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12902 UNSPECV_LDSTUB): New constants.
12903 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12904 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12905 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12906 prototype.
12908 2006-01-03 Roger Sayle <roger@eyesopen.com>
12910 * combine.c (reg_subword_p): New predicate to test whether the
12911 destination of a set refers to a subword/piece of a register.
12912 (try_combine): Generalize the code to merge the setting of a
12913 pseudo to a constant followed by a set of a subword of that
12914 register to a constant.
12916 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12918 * basic-block.h (control_flow_graph): Change the type of
12919 x_label_to_block_map to VEC(basic_block,gc) *.
12920 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12921 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12923 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12924 VEC(basic_block,heap) *.
12925 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12926 ssa_prop_fini): Adjust the uses of cfg_blocks.
12928 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12930 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12931 COMPONENT_REFs.
12932 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12933 hashing trees instead of a pointer hash.
12934 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12935 compare for MEM_EXPR.
12937 PR rtl-optimization/25130
12938 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12939 when comparing MEMs for GCSE
12941 2006-01-03 Ben Elliston <bje@au.ibm.com>
12943 * targhooks.h (default_decimal_float_supported_p): Declare.
12944 * targhooks.c (default_decimal_float_supported_p): Define.
12945 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12946 `default_decimal_float_supported_p'.
12947 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12949 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12951 * combine.c (apply_distributive_law <SUBREG>): Check
12952 TRULY_NOOP_TRUNCATION.
12954 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12956 * dwarf2out.c (have_switched_text_section): Delete.
12957 (have_multiple_function_sections): New.
12958 (have_location_lists): Make 'bool'.
12959 (add_AT_loc_list): Use 'true' not '1'.
12960 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12961 (output_loc_list): Use have_multiple_function_sections.
12962 (output_ranges): Likewise.
12963 (dwarf2out_begin_function): Set have_multiple_function_sections if
12964 necessary.
12965 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12966 Check function_section rather than DECL_SECTION_NAME.
12967 (dwarf2out_finish): Use have_multiple_function_sections.
12968 Don't clear have_location_lists.
12970 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12971 Jan Hubicka <jh@suse.cz>
12973 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12974 case of conditional jump jumping to the next instruction.
12975 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12976 cases of conditional jump jumping to the next instruction.
12978 2006-01-02 Jan Hubicka <jh@suse.cz>
12980 * i386.c (*_cost): Add COSTS_N_INSNS.
12981 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12983 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12985 PR target/25259
12986 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12988 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12990 * config/arm/arm.c (all_fpus): Fix comment typo.
12991 * config/darwin.c: Likewise.
12992 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12993 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12994 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12996 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12998 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12999 (rs6000_split_compare_and_swapqhi): New.
13000 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13001 (sync_compare_and_swapqhi_internal): New.
13002 * config/rs6000/rs6000-protos.h: Declare.