re PR target/27991 (ICE in reload_cse_simplify_operands)
[gcc.git] / gcc / ChangeLog
1 2006-07-08 Paul Brook <paul@codesourcery.com>
2
3 PR target/27991
4 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5
6 2006-07-07 Richard Guenther <rguenther@suse.de>
7
8 PR middle-end/28268
9 * tree.h (build_one_cst): Declare.
10 * tree.c (build_one_cst): New function.
11 * tree-ssa-math-opts.c (get_constant_one): Remove.
12 (insert_reciprocals): Use build_one_cst.
13 * fold-const.c (fold_plusminus_mult): Likewise.
14
15 2006-07-07 Roger Sayle <roger@eyesopen.com>
16
17 * pointer-set.c (pointer_set_destroy): Correct whitespace.
18 * cfgloopanal.c (dump_graph): Likewise.
19 * dojump.c (discard_pending_stack_adjust): Likewise.
20 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
21 Likewise.
22 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
23 * function.c (finalize_block_changes): Likewise.
24 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
25 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
26 * rtl.c (dump_rtx_statistics): Likewise.
27 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
28 Likewise.
29 * varray.c (dump_varray_statistics): Likewise.
30 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
31 decode_decimal64, encode_decimal128, decode_decimal128,
32 decimal_real_to_decimal): Likewise.
33
34 2006-07-07 Richard Guenther <rguenther@suse.de>
35
36 PR tree-optimization/28187
37 * tree-vrp.c (vrp_operand_equal_p): New function.
38 (vrp_bitmap_equal_p): Likewise.
39 (update_value_range): Use them to compare old and new
40 max and min values.
41
42 2006-07-06 Roger Sayle <roger@eyesopen.com>
43
44 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
45 a default case to switch statement to silence compiler warnings.
46
47 2006-07-06 Roger Sayle <roger@eyesopen.com>
48
49 PR target/27968
50 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
51 the configured assembler supports the x87's ffreep mnemonic.
52 * configure: Regenerate.
53 * config.in: Regenerate.
54
55 * config/i386/i386.c (output_387_ffreep): New function.
56 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
57 (output_387_reg_move): Likewise.
58
59 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
60
61 Port to hosts whose 'sort' and 'tail' implementations
62 treat operands with leading '+' as file names, as POSIX
63 has required since 2001. However, make sure the code still
64 works on pre-POSIX hosts.
65 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
66 which says you should use "tail -c +N" rather than "tail +Nc".
67 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
68
69 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
70
71 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
72 argument name.
73
74 2006-07-06 David Edelsohn <edelsohn@gnu.org>
75
76 PR target/28150
77 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
78 PRE_{INC,DEC} of TFmode.
79
80 2006-07-06 David Edelsohn <edelsohn@gnu.org>
81 Alan Modra <amodra@bigpond.net.au>
82
83 PR target/28170
84 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
85 bounds. Simplify.
86
87 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
88
89 PR target/28285
90 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
91 Remove duplicate gtu.
92
93 2006-07-05 Jason Merrill <jason@redhat.com>
94
95 PR c++/13983
96 PR c++/17519
97 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
98 * c-common.c (handle_packed_attribute): So don't copy it here.
99 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
100
101 2006-07-05 Mike Stump <mrs@apple.com>
102
103 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
104
105 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
106
107 PR target/26146
108 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
109
110 2006-07-05 Richard Guenther <rguenther@suse.de>
111
112 PR target/28158
113 * config/i386/i386.md (*negdf2_1): Restrict pattern to
114 TARGET_SSE2 targets if using SSE math.
115 (*absdf2_1): Likewise.
116
117 2006-07-05 Richard Guenther <rguenther@suse.de>
118
119 PR tree-optimization/28162
120 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
121 make sure to convert the operands to the correct type.
122
123 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
124
125 PR tree-optimization/28218
126
127 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
128 to calculate and free the dominator information.
129
130 2006-07-04 Peter O'Gorman <peter@pogma.com>
131
132 * mklibgcc.in: chmod 644 before ranlib during install.
133
134 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
135 J"orn Rennecke <joern.rennecke@st.com>
136
137 * configure.ac (.eh_frame data check): Use diff -b.
138
139 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
140
141 PR bootstrap/18058
142 * Makefile.in (BUILD_RTL): Add build/vec.o.
143 (build/gencondmd.o): Filter out -fkeep-inline-functions.
144 (build/genextract): Delete.
145 (build/genautomata): Likewise.
146
147 2006-07-04 Alan Modra <amodra@bigpond.net.au>
148
149 PR target/28207
150 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
151 128-bit IBM long doubles for ABI_V4.
152
153 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
154
155 * tree.c (range_in_array_bounds_p): New predicate.
156 * tree.h (range_in_array_bounds_p): Declare it.
157 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
158 return a less conservative answer.
159 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
160 and flag 'is_group'.
161 (IS_ELEMENT_FOR_GROUP): New macro.
162 (FOR_EACH_ACTUAL_CHILD): Likewise.
163 (next_child_for_group): New helper function.
164 (can_completely_scalarize_p): Take into account groups.
165 (sra_hash_tree): Handle RANGE_EXPR.
166 (sra_elt_eq): Likewise.
167 (lookup_element): Be prepared for handling groups.
168 (is_valid_const_index): Delete.
169 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
170 instead of is_valid_const_index.
171 <ARRAY_RANGE_REF>: New case.
172 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
173 is_valid_const_index.
174 <ARRAY_RANGE_REF>: Do not unconditionally punt.
175 (scan_dump): Dump info for groups too.
176 (decide_instantiation_1): Likewise.
177 (decide_block_copy): Assert that the element is not a group.
178 Propagate decision to groups.
179 (generate_one_element_ref): Handle RANGE_EXPR.
180 (mark_no_warning): Iterate over actual childs.
181 (generate_copy_inout): Likewise.
182 (generate_element_copy): Likewise.
183 (generate_element_zero): Likewise.
184 (generate_element_init_1): Likewise.
185 (dump_sra_elt_name): Handle RANGE_EXPR.
186
187 2006-07-03 Roger Sayle <roger@eyesopen.com>
188
189 PR tree-optimization/26251
190 * tree-ssa-threadupdate.c (redirection_block_p): New function.
191 (thread_block): When optimizing for size refuse to thread jumps
192 that would require duplication of blocks other than redirection
193 blocks.
194
195 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
196
197 * configure.ac: Fix thinko in previous check-in.
198 * configure: Regenerate.
199
200 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
201
202 PR other/27063
203 * configure.ac (for lang...): Simplify nesting of conditionals.
204 Test subdir_requires for non-enabled languages. Move processing
205 of lang_opt_files and lang_tree_fiels below that test.
206 * configure: Regenerate.
207 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
208
209 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
210
211 * doc/gcov.texi (Invoking Gcov): Add a missing word.
212
213 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
214
215 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
216 comment typos.
217
218 2006-06-29 Jason Merrill <jason@redhat.com>
219
220 PR c++/26905
221 PR c++/26612
222 PR c++/27000
223 PR c++/26984
224 PR c++/19134
225 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
226 * c-common.c (c_determine_visibility): Handle it here.
227 * c-decl.c (finish_decl): Call c_determine_visibility for
228 functions, too.
229 * flags.h (enum symbol_visibility): Sort from most to least visibility.
230 * tree.h: Likewise.
231 * varasm.c (default_assemble_visibility): Likewise.
232 * c-common.c (handle_visibility_attribute): Complain about trying
233 to give visibility to an already defined class, or trying to change
234 declared visibility. Always attach the attribute.
235
236 PR c++/26905
237 PR c++/21675
238 PR c++/17470
239 * attribs.c (decl_attributes): Ignore type-in-place attributes
240 once the type has been defined.
241
242 2006-06-29 Roger Sayle <roger@eyesopen.com>
243
244 PR middle-end/27428
245 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
246 to indicate the cpplib has issued an error message for us.
247
248 2006-06-29 Asher Langton <langton2@llnl.gov>
249
250 PR target/25765
251 * config/i386/i386.c (ix86_output_function_epilogue): Don't
252 insert a label at the end of an function under Mach-O.
253
254 2006-06-29 Eric Christopher <echristo@apple.com>
255 Evan Cheng <evan.cheng@apple.com>
256
257 * predicates.md (vector_all_ones_operand): New.
258 (nonimmediate_or_sse_const_operand): Ditto.
259 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
260 * config/i386/i386.c (standard_sse_constant_opcode): Define.
261 (standard_sse_mode_p): Ditto.
262 (standard_sse_constant_p): Add case for -1 vector.
263 (ix86_expand_vector_move): Try to use.
264 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
265 Call standard_sse_constant_opcode.
266 (*movv4sf_internal): Ditto.
267 (*movv2df_internal): Ditto.
268
269 2006-06-29 Roger Sayle <roger@eyesopen.com>
270
271 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
272 of XEXP to extract the operands of a MATCH_CODE rtx.
273
274 2006-06-28 Andrew Pinski <pinskia@gmail.com>
275
276 * tree.c (tree_size): Do not waste tail padding in
277 struct tree_string and make the size be the same as
278 build_string will generate.
279
280 2006-06-28 Jason Merrill <jason@redhat.com>
281
282 PR c++/27768
283 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
284 may_aliases already in the tag's annotations to the bitmap.
285
286 2006-06-28 Roger Sayle <roger@eyesopen.com>
287
288 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
289
290 2006-06-28 Roger Sayle <roger@eyesopen.com>
291
292 * genpreds.c (generate_switch_p): New function.
293 (add_mode_tests): Push the new mode test down inside an AND expr
294 if this allows the switch-suitable MATCH_CODE to be near the root.
295 (write_match_code_switch): New function to write a MATCH_CODE as
296 a switch statement.
297 (write_predicate_stmts): New function to write a predicate RTX
298 expression as a sequence of statements.
299 (write_one_predicate_function): Use write_predicate_stmts.
300 (write_tm_constrs_h): Likewise.
301
302 2006-06-26 Fred Fish <fnf@specifix.com>
303
304 * config/mips/t-sb1: New file.
305 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
306 tmake_file list.
307
308 2006-06-26 DJ Delorie <dj@redhat.com>
309
310 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
311
312 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
313 Jayant Sonar <jayants@kpitcummins.com>
314 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
315
316 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
317 (subsi3, subsi3_1, subsi3_2): New.
318 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
319 * config/m32c/mov.md (SI mov peephole): New.
320 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
321 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
322
323 2006-06-26 Olivier Hainque <hainque@adacore.com>
324
325 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
326 a CALL_EXPR target function declaration.
327
328 2006-06-26 Richard Guenther <rguenther@suse.de>
329
330 * tree.c (build_string): Do not waste tail padding in
331 struct tree_string.
332
333 2006-06-26 Richard Guenther <rguenther@suse.de>
334
335 * ggc-page.c (init_ggc): Add missing element to size_lookup
336 table.
337
338 Revert
339 2006-06-23 Richard Guenther <rguenther@suse.de>
340
341 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
342 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
343 alignment requests instead. Add verification code.
344 Add struct tree_function_decl and struct tree_binfo size to
345 extra_order_size_table. Add missing element to size_lookup
346 table.
347
348 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
349
350 PR middle-end/28151
351 * fold-const.c (const_binop): Be prepared for self returning zero.
352 Simplify code handling complex values.
353
354 2006-06-24 Olivier Hainque <hainque@adacore.com>
355
356 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
357 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
358 aggregate types.
359
360 2006-06-24 Olivier Hainque <hainque@adacore.com>
361
362 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
363 ARRAY_REF, so have the callback called for the low bound expression.
364
365 2006-06-23 Janis Johnson <janis187@us.ibm.com>
366
367 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
368 * c-typeck.c (c_common_type): Disallow operations on decimal float
369 types and other float types.
370 * convert.c (convert_to_real): Don't ignore conversions involving
371 decimal float types.
372
373 2006-06-23 Olivier Hainque <hainque@adacore.com>
374
375 * tree.c (max_int_size_in_bytes): New function, inspired from
376 code in function.c:assign_temp.
377 * tree.h (max_int_size_in_bytes): Declare.
378 * function.c (assign_temp): Use it.
379 * gimplify.c (create_tmp_var): Relax the assertions on the type
380 properties, not mandating constant size any more.
381 (force_constant_size): New static function.
382 (gimple_add_tmp_var): Use it, forcing variable size to a
383 constant upper bound if it is not constant on entry.
384
385 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
386
387 PR target/27789
388 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
389 for initialization and setting of one_only flag to ...
390 (i386_pe_encode_section_info): ...here.
391 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
392 Recheck that the symbol has not been defined.
393
394 2006-06-23 Richard Guenther <rguenther@suse.de>
395
396 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
397 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
398 alignment requests instead. Add verification code.
399 Add struct tree_function_decl and struct tree_binfo size to
400 extra_order_size_table. Add missing element to size_lookup
401 table.
402
403 2006-06-22 Roger Sayle <roger@eyesopen.com>
404 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
405
406 PR middle-end/28131
407 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
408 call to lang_hooks.types.type_for_mode returned NULL_TREE.
409
410 2006-06-23 Ben Elliston <bje@au.ibm.com>
411
412 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
413 negate dn -- manipulate it directly.
414
415 2006-06-22 Roger Sayle <roger@eyesopen.com>
416 Steven Bosscher <stevenb.gcc@gmail.com>
417
418 PR target/27531
419 * reload1.c (gen_reload): Call mark_jump_label on the new insns
420 generated by gen_move_insn to add REG_LABEL notes if necessary.
421
422 2006-06-22 Bob Wilson <bob.wilson@acm.org>
423
424 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
425 (leaf_entry): Remove use of MIN_ESA.
426
427 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
428
429 PR rtl-optimization/28121
430 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
431 the entry edge.
432
433 2006-06-21 DJ Delorie <dj@redhat.com>
434
435 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
436 (TN-16C-A156A/E).
437 (mulhisi3_r): Likewise.
438
439 2006-06-21 Richard Sandiford <richard@codesourcery.com>
440
441 PR middle-end/28034
442 * coverage.c (coverage_counter_alloc): Leave the index type
443 unspecified.
444 (coverage_counter_alloc): Use null arguments for operands 2 and 3
445 of the ARRAY_REF.
446
447 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
448
449 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
450 section from the "Options for Code Generation Conventions".
451
452 2006-06-21 Richard Henderson <rth@redhat.com>
453
454 PR target/26347
455 PR target/27082
456 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
457 symbols.
458 (global_symbolic_operand): Allow weak symbols, even if local_p.
459
460 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
461
462 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
463 (find_interesting_uses_address): Punt if above function returns true.
464
465 2006-06-21 Richard Guenther <rguenther@suse.de>
466
467 * configure: Regenerated.
468
469 2006-06-21 Joseph Myers <joseph@codesourcery.com>
470
471 * config/mips/mips.c (function_arg): Where one part of a
472 complex argument is in registers and the other part in the stack,
473 return a REG not a PARALLEL.
474
475 2006-06-21 Mark Mitchell <mark@codesourcery.com>
476
477 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
478 when cross-compiling. Do not substitute libstdcxx_incdir.
479 * configure: Regenerated.
480
481 2006-06-21 Jakub Jelinek <jakub@redhat.com>
482
483 * varasm.c (mergeable_string_section): Check for embedded NULs and
484 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
485 rather than TREE_STRING_LENGTH bytes.
486
487 2006-06-21 Richard Guenther <rguenther@suse.de>
488
489 * ggc-page.c (extra_order_size_table): Add var_ann_d,
490 tree_ssa_name, bitmap_element and phi_node with 4 arguments
491 sizes.
492
493 2006-06-21 Richrad Guenther <rguenther@suse.de>
494
495 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
496 Limit iteration over the dominators.
497
498 2006-06-20 Roger Sayle <roger@eyesopen.com>
499
500 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
501 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
502
503 2006-06-20 Richard Guenther <rguenther@suse.de>
504 Michael Matz <matz@suse.de>
505
506 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
507 function.
508 * alloc-pool.c (free_alloc_pool_if_empty): New function.
509 * et-forest.h (et_free_pools): Prototype new function.
510 * et-forest.c (et_free_tree_force): Free parent occurrence.
511 (et_free_pools): New function.
512 * dominance.c (free_dominance_info): Free et-forest alloc
513 pools.
514
515 2006-06-20 Roger Sayle <roger@eyesopen.com>
516
517 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
518 integer modes, attempt to directly construct an integer constant.
519
520 * fold-const.c (native_encode_vector): Determine the size of each
521 element from the vector type instead of the first vector element.
522
523 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
524 if all of its elements/components are constant.
525 (build_constructor_from_list): Likewise.
526
527 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
528
529 PR tree-optimization/27331
530 * tree-data-ref.c (free_data_ref): New function.
531 (create_data_ref): Fail if the data reference has unknown access
532 function.
533 (free_data_refs): Use free_data_ref.
534
535 2006-06-19 Andrew Pinski <pinskia@gmail.com>
536
537 PR middle-end/28075
538 * tree-inline.c (setup_one_parameter): Strip useless
539 type conversion before adding it to the IR.
540 (declare_return_variable): Likewise.
541
542 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
543
544 PR c/27149
545 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
546
547 2006-06-19 Mike Stump <mrs@apple.com>
548
549 * tree.c (variably_modified_type_p): VM arguments don't make the
550 type a VM type.
551
552 2006-06-19 Richard Guenther <rguenther@suse.de>
553
554 * tree-ssa-pre.c (try_combine_conversion): Strip useless
555 type conversions after folding.
556
557 2006-06-19 Richard Guenther <rguenther@suse.de>
558
559 * ggc-page.c (extra_order_size_tab): Add entries with
560 size of struct function and basic_block.
561 (size_lookup): Extend to cover sizes up to 511.
562 (ggc_alloc_stat): Adjust user.
563 (ggc_pch_count_object): Likewise.
564 (ggc_pch_alloc_object): Likewise.
565 (ggc_pch_write_object): Likewise.
566
567 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
568
569 * tree-ssa-loop-niter.c (implies_ge_p): New function.
570 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
571 correctly.
572
573 2006-06-19 Denis Chertykov <denisc@overta.ru>
574
575 * config/avr/libgcc.S : Correct my wrong previous commit.
576
577 2006-06-19 Roger Sayle <roger@eyesopen.com>
578
579 PR target/27861
580 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
581 have stripped a SUBREG from the shift count, so we may need to
582 convert_to_mode back to the type's mode before calling make_tree.
583 Use new_amount instead of amount to avoid expanding a tree twice.
584
585 2006-06-19 Richard Guenther <rguenther@suse.de>
586
587 PR middle-end/28045
588 * fold-const.c (operand_equal_p): Check if the argument types
589 have the same precision before stripping NOPs.
590
591 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
592
593 Fix PR tree-optimization/27341
594 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
595 statement we get.
596 * tree-complex.c (pass_lower_complex): Update SMT usage.
597
598 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
599
600 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
601 Add a new alternative to the constraint strings. Add move of
602 operand 1 to 3 to the splitter definition.
603 ("doloop_si_long"): Second contraint alternative removed.
604
605 2006-06-08 Anatoly Sokolov <aesok@post.ru>
606
607 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
608 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
609 __AVR_HAVE_LPMX__.
610 (AVR_HAVE_MOVW) Define.
611 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
612 (ASM_SPEC): Add avr25.
613 (LINK_SPEC): Add avr25.
614 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
615 (base_arch_s): Add new member 'have_movw_lpmx'.
616 (avr_arch_types): Init 'have_movw_lpmx'.
617 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
618 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
619 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
620 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
621 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
622 AVR_HAVE_MOVW.
623 (avr_file_start): Do not output '.arh' derective.
624 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
625 (__do_copy_data): Use __AVR_HAVE_LPMX__.
626 * config/avr/avr.md (mcu_enhanced): Delete.
627 (mcu_have_movw): Define.
628 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
629 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
630 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
631 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
632 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
633 attiny861 and at86rf401 devices.
634
635 2006-06-18 Jie Zhang <jie.zhang@analog.com>
636
637 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
638 of 4096.
639
640 2006-06-17 Karl Berry <karl@gnu.org>
641
642 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
643 doc/gccint.texi, doc/install.texi (@dircategory): Use
644 "Software development" instead of "Programming", following
645 the Free Software Directory.
646
647 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
648
649 * config/i386/i386.c (legitimate_tls_address)
650 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
651 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
652 (*tls_dynamic_gnu2_combine_64): Likewise.
653
654 2006-06-16 Richard Guenther <rguenther@suse.de>
655
656 PR middle-end/27116
657 * fold-const.c (negate_expr_p): Do not introduce undefined
658 overflow in negating INTEGER_CSTs.
659 (fold_negate_expr): Rename from negate_expr. Revert last
660 change for folding BIT_NOT_EXPR. Change semantics to
661 return NULL_TREE for non-simplified negations. Do not
662 strip type conversions and unify type handling.
663 (negate_expr): New function, wrap around fold_negate_expr
664 but ensure building a tree always. Strip type conversions
665 here, fold to result type.
666 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
667
668 2006-06-16 Roger Sayle <roger@eyesopen.com>
669
670 PR middle-end/27802
671 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
672 that (would) return their results in stack registers.
673
674 2006-06-16 Michael Matz <matz@suse.de>
675 Richard Guenther <rguenther@suse.de>
676
677 * fold-const.c (fold_truthop): Only return new tree node if
678 we canonicalized something.
679
680 2006-06-16 Richard Guenther <rguenther@suse.de>
681
682 * function.h (enum function_frequency): Move declaration
683 out of struct function.
684 (struct function): Move bool fields and the enum to the bitfield
685 section. Reorder elements to avoid padding. Remove unused
686 fields left over from the RTL inliner removal.
687 * function.c (free_after_compilation): Do not zero removed fields.
688 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
689 (ipa-type-escape.o): Likewise.
690
691 2006-06-16 Richard Guenther <rguenther@suse.de>
692
693 * cgraph.h (struct cgraph_local_info): Turn bool elements
694 into a bitfield.
695 (struct cgraph_node): Likewise.
696 (struct cgraph_varpool_node): Likewise.
697
698 2006-06-15 Richard Guenther <rguenther@suse.de>
699
700 * fold-const.c (fold_truth_not_expr): Rename from
701 invert_truthvalue. Give it fold_* semantics to avoid
702 generating garbage.
703 (invert_truthvalue): New function. Wrapper around
704 fold_truth_not_expr.
705 (optimize_minmax_comparison): Avoid creating garbage.
706 (fold_unary): Use fold_truth_not_expr for folding
707 TRUTH_NOT_EXPR.
708 (fold_ternary): Replace uses of invert_truthvalue with
709 fold_truth_not_expr where applicable.
710 * tree.h (fold_truth_not_expr): Prototype.
711
712 2006-06-16 Richard Guenther <rguenther@suse.de>
713
714 PR tree-optimization/27781
715 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
716 * ipa-pure-const.c (target.h): Include.
717 (analyze_function): Do not analyze functions that do not
718 bind locally.
719
720 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
721
722 PR middle-end/27793
723 * tree-dfa.c (referenced_vars_dup_list): Remove.
724 (find_referenced_vars): Remove assert.
725 (referenced_var_check_and_insert): Replace dup list with assert.
726 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
727 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
728
729 2006-06-15 Richard Guenther <rguenther@suse.de>
730
731 * tree-ssa-structalias.c (alias_get_name): Avoid creating
732 extra unused identifiers if not dumping.
733 (create_variable_info_for): Likewise.
734
735 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
736
737 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
738 (derive_constant_upper_bound): Derive more precise upper bound in
739 common cases. Return type changed to double_int.
740 (record_estimate): Reflect the changed return type of
741 derive_constant_upper_bound.
742 * double-int.c (double_int_zext, double_int_sext): Fix.
743
744 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
745
746 * configure.ac (CFLAGS): Get them from the toplevel or from the
747 configure invocation.
748 * configure: Regenerate.
749 * Makefile.in (CFLAGS): Substitute value provided by configure.
750
751 2006-06-14 Mark Mitchell <mark@codesourcery.com>
752
753 PR c++/26559
754 * c-common.h (c_finish_omp_atomic): Adjust declaration.
755 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
756 rather than calling add_stmt on it.
757 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
758
759 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
760
761 PR middle-end/27959
762 * reload1.c (reload): Remove registers returned by update_eliminables
763 from used_spill_regs.
764
765 2006-06-13 DJ Delorie <dj@redhat.com>
766
767 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
768
769 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
770
771 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
772 html__strip_dir, html__mkdir_p. Enhance install-html target.
773 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
774 * configure: Regenerate.
775
776 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
777
778 * fold-const.c (fold_cond_expr_with_comparison): Check for
779 Objective-C++ as language in deciding COND_EXPR transformation.
780
781 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
782
783 PR target/28014:
784 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
785 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
786 * config/sh/lib1funcs.h (SL, SL1): Define.
787 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
788 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
789 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
790 (OBJS_Os_4_200): New variable.
791 ($(T)libgcc-Os-4-200.a): Use it.
792 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
793 when dividing 1 and/or by 0.
794
795 2006-06-13 Roger Sayle <roger@eyesopen.com>
796
797 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
798 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
799 * configure: Regenerate.
800
801 2006-06-13 Jie Zhang <jie.zhang@analog.com>
802
803 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
804 for real instruction.
805
806 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
807
808 PR middle-end/26807
809 * haifa-sched.c (check_cfg): Handle special case.
810
811 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
812
813 PR debug/26754
814 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
815 Add debug_info parameter. Chain the vars to the BLOCK instead
816 of the BIND_EXPR if debug info are requested for them.
817 (pop_gimplify_context): Adjust for above change.
818 (gimple_add_tmp_var): Likewise.
819 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
820 Add bool parameter.
821 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
822 (convert_local_reference): Likewise.
823 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
824 (finalize_nesting_tree_1): Request that debug info be emitted
825 for debug_var_chain.
826
827 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
828
829 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
830 for PR target/27863.
831
832 2006-06-13 Richard Guenther <rguenther@suse.de>
833
834 PR middle-end/27536
835 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
836
837 2006-06-13 Richard Guenther <rguenther@suse.de>
838
839 PR tree-optimization/27830
840 * tree-inline.c (copy_body_r): For copying the operand
841 of an ADDR_EXPR make sure to fold &* afterwards.
842
843 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
844
845 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
846 lvalues in the fb_none case with side-effects.
847
848 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
849
850 * tree-flow.h: Remove the prototype for
851 compute_phi_arg_on_exit.
852 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
853 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
854 Remove.
855
856 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
857
858 * builtins.c (expand_builtin_return_addr): Only use
859 frame_pointer_rtx when count == 0 and we are expanding
860 __builtin_return_address.
861
862 2006-06-12 Fred Fish <fnf@specifix.com>
863
864 * config/mips/mips.c (mips_file_start): Create special section
865 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
866
867 2006-06-11 Eric Christopher <echristo@apple.com>
868
869 PR middle-end/27948
870 * stor-layout.c (place_field): Remove check for
871 remaining_in_alignment when aligning at the end of a run.
872
873 2006-06-11 Eric Christopher <echristo@apple.com>
874
875 PR 27542
876 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
877 pragma.
878
879 2006-06-11 Roger Sayle <roger@eyesopen.com>
880
881 PR target/27858
882 Revert incorrect fix for PR target/27158
883 2006-05-08 Roger Sayle <roger@eyesopen.com>
884 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
885 of a reg_equiv_constant if the result is a legitimate constant.
886
887 2006-06-11 Roger Sayle <roger@eyesopen.com>
888
889 PR target/27158
890 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
891 extract a CONST_VECTOR element and interpret it as an integer.
892 (vspltis_constant): Use const_vector_elt_as_int instead of the
893 macro CONST_VECTOR_ELT in order to handle FP vector modes.
894 * config/rs6000/predicates.md (easy_vector_const): Consider
895 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
896
897 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
898
899 PR middle-end/27942
900 * stor-layout.c (update_alignment_for_field): Don't add extra
901 alignment for packed non-bitfield fields in ms_bitfield_layout_p
902 code.
903
904 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
905
906 * config/mips/t-rtems: Add EL/EB multilib variants.
907
908 2006-06-09 Mike Stump <mrs@apple.com>
909
910 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
911
912 2006-06-09 David Daney <ddaney@avtrex.com>
913
914 * doc/install.texi: Add binutils version recommendation for mips-*-*.
915
916 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
917
918 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
919
920 2006-06-09 Richard Guenther <rguenther@suse.de>
921
922 PR tree-optimization/26998
923 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
924 of signed types, only TYPE_MIN_VALUE is special, but for both,
925 minimum and maximum value. Likewise VR_ANTI_RANGE is special
926 in this case, as is -fwrapv.
927
928 2006-06-08 Mike Stump <mrs@apple.com>
929
930 PR target/26427
931 * config/darwin.c (darwin_asm_output_anchor): Disable
932 -fsection-anchors on darwin for now.
933 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
934 * rs6000/rs6000.c (optimization_options): Likewise.
935
936 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
937
938 PR target/27421
939 * config/i386/i386.c (classify_argument): Skip fields with invalid
940 types in unions.
941
942 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
943
944 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
945 (cse_insn): Likewise for the stack_pointer_rtx.
946
947 2006-06-08 Roger Sayle <roger@eyesopen.com>
948
949 * tree-ssa-dom.c (record_conditions): Only record "unordered"
950 conditions from floating point comparisons.
951
952 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
953
954 PR middle-end/27733
955 * expmed.c (struct alg_hash_entry): Fix type of field T
956 to match synth_mult argument.
957 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
958
959 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
960
961 PR target/27863
962 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
963 block boundaries.
964
965 2006-06-08 Richard Guenther <rguenther@suse.de>
966
967 PR middle-end/27116
968 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
969 only, if overflow is defined and not trapping.
970 (negate_expr): Likewise.
971
972 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
973
974 PR tree-optimization/27872
975 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
976 flag on the new exit edge of the unrolled loop.
977
978 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
979
980 PR rtl-optimization/26449
981 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
982
983 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
984
985 PR middle-end/27793
986 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
987 referenced_variables with matching DECL_UID's.
988 (find_referenced_vars): Make sure duplicate list is empty to start.
989 (referenced_var_p): Remove.
990 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
991 Check if var is in the list, and add if needed. Update the duplicate
992 list if a different var is in the list with the same DECL_UID.
993 (add_referenced_var): Call routine to check and insert.
994 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
995 * tree-flow.h (referenced_vars_dup_list): External declaration.
996
997 2006-06-07 Fred Fish <fnf@specifix.com>
998
999 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1000 into single entry.
1001
1002 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1003
1004 PR target/27390
1005 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1006 the imaginary and real parts of a clobbered register.
1007 Emit insn to set the imaginary part.
1008
1009 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1010
1011 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1012 in lieu of unwind-dw2-fde.c.
1013
1014 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1015
1016 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1017
1018 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1019
1020 PR target/27842
1021 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1022 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1023 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1024 V4SImode temporaries and operations instead.
1025
1026 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1027
1028 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1029 dp-bit.c.
1030
1031 2006-06-06 Mike Stump <mrs@apple.com>
1032
1033 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1034 installing during build.
1035
1036 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1037
1038 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1039 value to 0.
1040 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1041 * config/ia64/ia64.c (params.h): New header.
1042 (ia64_optimization_options): New function to adjust parameters.
1043 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1044 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1045 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1046
1047 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1048
1049 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1050
1051 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1052
1053 PR target/27051
1054 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1055
1056 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1057 Victor Kaplansky <victork@il.ibm.com>
1058
1059 PR tree-optimization/26360
1060 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1061 stmts.
1062
1063 2006-06-04 Roger Sayle <roger@eyesopen.com>
1064 Andrew Pinski <pinskia@physics.uc.edu>
1065
1066 PR middle-end/27382
1067 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1068 for LABEL_DECL before calling DECL_WEAK.
1069
1070 PR c/27150
1071 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1072 LABEL_DECL and PARM_DECL.
1073
1074 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1075
1076 PR c/25161
1077 PR c/27020
1078 * c-decl.c (grokdeclarator): Disallow variably modified types at
1079 file scope. Avoid marking shared array type of constant size as
1080 VLA.
1081
1082 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1083
1084 PR c++/27601
1085 * c-common.c (fold_offsetof_1): Handle static members.
1086
1087 2006-06-04 Eric Christopher <echristo@apple.com>
1088
1089 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1090 (debug_rli): Output value for remaining_in_alignment.
1091 (update_alignment_for_field): Unconditionalize
1092 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1093 extra alignment code.
1094 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1095 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1096 * tree.h (record_layout_info_s): Remove prev_packed.
1097 * doc/extend.texi (ms_struct): Add documentation of format.
1098
1099 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1100
1101 * tree.h: Declare folding_initializer.
1102 * builtins.c (fold_builtin_constant_p): Give definite answer
1103 if folding inside an initializer.
1104 * fold-const.c: Define folding_initializer.
1105 (START_FOLD_INIT): Save and then set folding_initializer.
1106 (END_FOLD_INIT): Restore folding_initializer.
1107
1108 2006-06-04 Richard Guenther <rguenther@suse.de>
1109
1110 PR tree-optimization/27039
1111 * fold-const.c (fold_comparison): Handle pointer comparison
1112 again for all comparison codes. Compare offsets in signed
1113 size type.
1114 (fold_binary): Move code from here.
1115
1116 2006-06-03 Roger Sayle <roger@eyesopen.com>
1117
1118 PR target/26223
1119 * config/i386/i386.c (construct_container): Split static issued_error
1120 flag into issued_sse_arg_error, issued_sse_ret_error and
1121 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1122 requires the use of x87 registers and the user explicitly
1123 specified the -mno-80387 command line option.
1124
1125 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1126
1127 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1128 HAVE_DECL_SIGALTSTACK.
1129 (MC_FLD): New.
1130 (segv_handler): Use MC_FLD.
1131 * configure.ac: Check for a sigaltstack declaration.
1132 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1133 * configure: Regenerate.
1134 * config.in: Regenerate.
1135
1136 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1137
1138 PR other/27850
1139 * Makefile.in (stmp-fixinc): Fix typo.
1140
1141 2006-06-02 Roger Sayle <roger@eyesopen.com>
1142
1143 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1144 are type correct. Clean-up.
1145 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1146 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1147
1148 2006-06-01 DJ Delorie <dj@redhat.com>
1149
1150 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1151 shift, as we've disabled the "switch" insn that needs it.
1152
1153 2006-06-01 Per Bothner <bothner@bothner.com>
1154
1155 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1156 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1157 * c-ppoutput.c (cb_define): Don't increment line 0.
1158
1159 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1160
1161 * doc/invoke.texi: Add cpu_type power6.
1162 * config.gcc: Add cpu_type power6.
1163 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1164 to power5+ with Altivec.
1165 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1166 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1167
1168 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1169
1170 * config/avr/avr.h (SET_ASM_OP): Define.
1171
1172 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1173
1174 * config/bfin/bfin.c: Fix comment typos.
1175
1176 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1177
1178 PR 25453
1179 * doc/install.texi: Document --enable-bootstrap and
1180 --disable-bootstrap.
1181
1182 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1183
1184 * doc/install.texi: Document that InfoZIP can replace jar.
1185
1186 2006-05-31 Roger Sayle <roger@eyesopen.com>
1187
1188 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1189 isn't available, directly generate the simpler x87 patterns without
1190 the (use (const_int 0)).
1191 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1192 implementation isn't available.
1193 (*negdf2_1): Likewise.
1194 (*negxf2_1): XF mode negation is always done using the x87.
1195 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1196
1197 2006-05-31 Roger Sayle <roger@eyesopen.com>
1198
1199 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1200 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1201 cabs(z).
1202 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1203
1204 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1205
1206 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1207 * config/bfin/bfin.c (basic-block.h): Include.
1208 (struct machine_function): New.
1209 (bfin_init_machine_status): New.
1210 (override_options): Initialize init_machine_status.
1211 (bfin_hardware_loop): New.
1212 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1213 (DEF_VEC_P (loop_info)): New.
1214 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1215 (struct loop_info): New.
1216 (loop_info): New typedef.
1217 (struct loop_work): New.
1218 (loop_work): New typedef.
1219 (DEF_VEC_O (loop_work)): New.
1220 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1221 (bfin_dump_loops): New.
1222 (bfin_bb_in_loop): New.
1223 (bfin_scan_loop): New.
1224 (bfin_optimize_loop): New.
1225 (bfin_reorg_loops): New.
1226 (bfin_reorg): Use bfin_reorg_loops.
1227 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1228 loop registers.
1229 (I_REGNO_P): Simplify.
1230 (DP_REGNO_P, DPREG_P): New macros.
1231 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1232 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1233 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1234 Add LT_REGS, LC_REGS, LB_REGS.
1235 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1236 'l' for LB_REGS.
1237 (REGNO_REG_CLASS): Deal with loop registers.
1238 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1239 letters.
1240 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1241 New constants for loop registers.
1242 (UNSPEC_LSETUP_END): New.
1243 (seq_insns): New define_attr. Set it for appropriate insns.
1244 (movsi_insn): Add alternatives for move from/to
1245 loop count registers.
1246 (doloop_end): New define_expand.
1247 (loop_end): New define_insn.
1248 (define_split for bad doloop_end): New.
1249 (lsetup_with_autoinit): New define_insn.
1250 (lsetup_without_autoinit): New define_insn.
1251 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1252 * config/bfin/predicates.md (lc_register_operand): New.
1253 (lt_register_operand): New.
1254 (lb_register_operand): New.
1255 (nondp_register_operand): New.
1256 (nondp_reg_or_memory_operand): New.
1257 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1258
1259 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1260
1261 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1262 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1263
1264 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1265
1266 * Makefile.in (CATALOGS): Add po/ prefix.
1267 * configure: Regenerated.
1268
1269 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1270
1271 PR target/27829
1272 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1273 a shift operand before calling shift_op. Avoid redundant call of
1274 shift_op.
1275
1276 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1277 DJ Delorie <dj@redhat.com>
1278
1279 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1280 we're inserting is a singlt-bit constant.
1281
1282 2006-05-30 Roger Sayle <roger@eyesopen.com>
1283
1284 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1285 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1286
1287 2006-05-30 Roger Sayle <roger@eyesopen.com>
1288
1289 PR tree-optimization/23452
1290 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1291 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1292 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1293 complex values and with -ffast-math for FP complex values.
1294
1295 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1296
1297 * c-common.h: Remove the prototype for yyparse.
1298 * rtl.h: Remove the prototype for init_loop.
1299
1300 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1301
1302 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1303 calling recog.
1304
1305 2006-05-30 Roger Sayle <roger@eyesopen.com>
1306
1307 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1308 and rotate cases.
1309 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1310 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1311
1312 2006-05-30 Dirk Mueller <dmueller@suse.de>
1313
1314 PR c/27273
1315 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1316 for CONSTANT_CLASS_P expresisons.
1317
1318 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1319
1320 PR c/27718
1321 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1322
1323 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1324
1325 PR tree-optimization/27779
1326 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1327 initial_condition instead of CHREC_LEFT.
1328
1329 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1330
1331 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1332 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1333 Make prototypes ISO C90.
1334
1335 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1336 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1337
1338 * see.c (see_analyze_one_def): Correct check.
1339 (see_get_extension_data): Check if extension is parallel.
1340 (see_get_extension_reg): Likewise.
1341
1342 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1343
1344 PR target/27790
1345 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1346 into register for (code == GTU).
1347
1348 2006-05-29 Roger Sayle <roger@eyesopen.com>
1349
1350 PR tree-optimization/24964
1351 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1352 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1353 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1354 abs(x)*abs(x) as x*x for scalar floating point modes.
1355
1356 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1357
1358 PR middle-end/27745
1359 * lambda-code.c (perfect_nestify): Don't copy statements
1360 in the inner loop: move them to the inner loop header.
1361
1362 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1363
1364 PR 26237
1365 * c-tree.texi: Document OpenMP directives and clauses.
1366
1367 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1368
1369 * varasm.c (globalize_decl): Fix indentation.
1370
1371 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1372
1373 PR 26242
1374 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1375 pass_fre, pass_store_ccp, pass_copy_prop,
1376 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1377 pass_return_slot, pass_object_size, pass_lim,
1378 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1379 pass_loop_prefetch and pass_stdarg.
1380
1381 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1382
1383 * config/bfin/bfin.opt (mfdpic): New option.
1384 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1385 (EXTRA_MULTILIB_PARTS): Likewise.
1386 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1387 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1388 multilib.
1389 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1390 (CRT_CALL_STATIC_FUNCTION): New.
1391 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1392 -shared.
1393 (CRT_CALL_STATIC_FUNCTION): New.
1394 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1395 FD-PIC moves.
1396 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1397 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1398 (initialize_trampoline): Changed to handle FD-PIC code generation.
1399 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1400 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1401 (override_options): Disallow -mid-shared-library -mfdpic combination.
1402 Can't do unaligned ops if FD-PIC.
1403 Turn off flag_pic if trying to generate non-id-shared-library
1404 non-fdpic code, since it's not supported.
1405 (bfin_assemble_integer): New function.
1406 (TARGET_ASM_INTEGER): Define.
1407 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1408 __BFIN_FDPIC__.
1409 * config/bfin/crtn.s: Restore them.
1410 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1411 if TARGET_FDPIC.
1412 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1413 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1414 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1415 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1416 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1417 call-used.
1418 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1419 FDPIC_REGS and FDPIC_FPTR_REGS.
1420 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1421 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1422 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1423 (load_funcdescsi): New pattern.
1424 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1425 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1426 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1427
1428 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1429
1430 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1431 loop.c.
1432
1433 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1434
1435 * tree-flow.h: Remove the prototype for add_type_alias.
1436 * tree-ssa-alias.c (add_type_alias): Remove.
1437
1438 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1439
1440 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1441 config/fr30/fr30.md, config/i386/i386-interix.h,
1442 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1443 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1444 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1445 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1446 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1447 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1448 Follow spelling conventions.
1449 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1450 Follow spelling conventions.
1451
1452 2006-05-27 Richard Guenther <rguenther@suse.de>
1453
1454 PR middle-end/27773
1455 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1456 to produce a constant of value 1 of generic type.
1457
1458 2006-05-27 Dirk Mueller <dmueller@suse.de>
1459
1460 * cgraphunit.c (decide_is_function_needed): Fix wrong
1461 PR reference.
1462
1463 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1464
1465 PR rtl-optimization/27661
1466 * reload.c (find_reloads): When reloading a VOIDmode constant
1467 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1468 use Pmode as mode of the reload register.
1469
1470 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1471
1472 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1473 is enabled at -O and above.
1474
1475 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1476
1477 PR target/27571
1478 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1479 table data.
1480
1481 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1482
1483 PR c++/20103
1484 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1485 for anonymous variables explicitly declared by front ends.
1486
1487 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1488
1489 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1490 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1491 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1492 ref-all pointers, run a finalization pass for them.
1493 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1494 (finalize_ref_all_pointers): New function.
1495 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1496 regular pointer type to a ref-all pointer type.
1497 (get_tmt_for): Return the special memory tag for ref-all pointers.
1498
1499 2006-05-25 Richard Guenther <rguenther@suse.de>
1500
1501 PR middle-end/27743
1502 * fold-const.c (fold_binary): Do not look at the stripped
1503 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1504
1505 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1506
1507 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1508 for LT and GT if the computed range is effectively empty.
1509
1510 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1511
1512 PR target/27627
1513 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1514 mips_quad_format formats instead of ieee_single_format,
1515 ieee_double_format and ieee_quad_format formats, respectively.
1516
1517 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1518
1519 PR tree-optimization/27639
1520 PR tree-optimization/26719
1521 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1522 call to scev_probably_wraps_p.
1523 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1524 used_in_pointer_arithmetic_p, convert_step): Removed.
1525 (nowrap_type_p): New function.
1526 (scev_probably_wraps_p): Rewritten.
1527 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1528 chrec_convert if chrec_convert_aggressive might have been used.
1529 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1530 scev_direction): New functions.
1531 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1532 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1533 instead of convert_step.
1534 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1535 (convert_step): Declaration removed.
1536 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1537
1538 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1539
1540 * df-core.c: Added to header comments.
1541 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1542 df_ur_bb_info, df_urec_bb_info): Added comments.
1543 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1544 urec, ri problems): Fixed header comments.
1545 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1546 code from df_rd_transfer_function.
1547
1548 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1549
1550 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1551 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1552 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1553
1554 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1555
1556 * expr.c (undefined_operand_subword_p): New.
1557 (emit_move_multi_word): Do not generate move from undefined bits
1558 of a paradoxical subreg.
1559
1560 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1561
1562 PR rtl-optimization/27736
1563 * combine.c (replaced_rhs_value): New variable.
1564 (combine_instructions): Set it.
1565 (distribute_notes): When distributing a note in replaced_rhs_insn,
1566 check whether the value was used in replaced_rhs_value.
1567
1568 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1569
1570 PR c++/26757
1571 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1572 add_referenced_var instead of add_referenced_tmp_var.
1573 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1574 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1575 add_referenced_var.
1576 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1577 tree_optimize_tail_calls_1): Use add_referenced_var.
1578 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1579 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1580 Use add_referenced_var.
1581 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1582 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1583 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1584 Use add_referenced_var.
1585 * tree-dfa.c (struct walk_state): Remove.
1586 (find_referenced_vars): Remove walk state and vars_found hash table.
1587 (make_rename_temp): Use add_referenced_var.
1588 (find_vars_r): Pass less parameters to add_referenced_var.
1589 (referenced_var_p): New. Is var in referenced_var hash table.
1590 (referenced_var_insert): Assert var isn't already in hash table.
1591 (add_referenced_var): Don't need walk_state parameter. Add var if it
1592 isn't already in the hash table.
1593 (add_referenced_tmp_var): Remove.
1594 (find_new_referenced_vars_1): Use add_referenced_var.
1595 * tree-ssa-pre.c (create_expression_by_pieces,
1596 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1597 Use add_referenced_var.
1598 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1599 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1600 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1601 add_referenced_var.
1602 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1603 vect_create_data_ref_ptr, vect_create_destination_var,
1604 vect_init_vector, vect_build_loop_niters,
1605 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1606 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1607 Use add_referenced_var.
1608 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1609 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1610 (add_referenced_var): Add prototype.
1611 * tree-ssa-structalias.c (get_constraint_for,
1612 intra_create_variable_infos): Use add_referenced_var.
1613
1614 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1615
1616 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1617 big-endian paradoxical subregs.
1618 * var-tracking.c (struct micro_operation_def): Document that,
1619 for modify micro operations, insn is the subsequent instruction.
1620 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1621 (var_reg_set, var_mem_set): ... new functions.
1622 (add_stores): Record subsequent insn.
1623 (compute_bb_dataflow): Use new functions for MO_USE.
1624 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1625 notes after the insn, and modify notes before the insn known
1626 to be the subsequent one.
1627 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1628
1629 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1630
1631 PR target/27696
1632 * config/i386/i386.c (ix86_expand_builtin): Use
1633 gen_sse3_monitor64 for TARGET_64BIT.
1634
1635 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1636
1637 PR rtl-optimization/26375
1638 PR rtl-optimization/26855
1639 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1640 to gen set.
1641 (df_ru_bb_local_compute): Reversed statements and removed bogus
1642 comment explaining why they should be in wrong order.
1643 (df_ru_dump, df_rd_dump): Enhanced debug info.
1644 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1645 debug info.
1646 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1647 reaching uses and fixed space problem.
1648
1649 2006-05-23 Jan Hubicka <jh@suse.cz>
1650
1651 * cgraphunit.c (decide_is_function_needed): Also nested functions
1652 and functions declared inline can be optimized out at -O0.
1653
1654 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1655
1656 * doc/install.texi (Configuration): Remove reference to CrossGCC
1657 FAQ which was gone.
1658 (Building): Ditto.
1659
1660 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1661
1662 PR target/27266
1663 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1664 ix86_compare_emitted is non-NULL.
1665
1666 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1667
1668 PR c++/27451
1669 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1670 clobbers.
1671
1672 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1673
1674 PR rtl-optimization/25514
1675 * combine.c (replaced_rhs_insn): New variable.
1676 (combine_instructions): Set replaced_rhs_insn when trying to replace
1677 a SET_SRC with a REG_EQUAL note.
1678 (distribute_notes): Use replaced_rhs_insn when determining the live
1679 range of a REG_DEAD register.
1680
1681 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1682 Anatoly Sokolov <aesok@post.ru>
1683
1684 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1685 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1686 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1687 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1688 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1689 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1690 at90usb647, at90usb1286 and at90usb1287 devices.
1691 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1692 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1693
1694 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1695
1696 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1697
1698 2006-05-22 Richard Guenther <rguenther@suse.de>
1699
1700 Revert
1701 2006-01-31 Richard Guenther <rguenther@suse.de>
1702 Paolo Bonzini <bonzini@gnu.org>
1703
1704 * doc/install.texi (--disable-libgcc-math): Document.
1705
1706 2006-05-22 Richard Guenther <rguenther@suse.de>
1707
1708 Revert
1709 2006-01-31 Richard Guenther <rguenther@suse.de>
1710
1711 * doc/invoke.texi (-msselibm): Document.
1712 * target.h (expand_library_builtin): New target hook.
1713 * builtins.c (expand_builtin): Use expand_library_builtin.
1714 (default_expand_library_builtin): New function.
1715 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1716 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1717 (link_gcc_math_spec): Declare.
1718 (static_specs): Add link_gcc_math_spec.
1719 * expr.h (default_expand_library_builtin): Declare.
1720 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1721 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1722 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1723 * config/i386/i386.opt (msselibm): New target option.
1724 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1725 (ix86_init_sse_abi_builtins): New function.
1726 (ix86_expand_library_builtin): Likewise.
1727 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1728 (override_options): Handle error conditions wrt -msselibm.
1729 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1730 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1731 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1732 builtins.
1733
1734 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1735
1736 PR c/27420
1737 * c-common.c (self_promoting_args_p): Skip erroneous args.
1738
1739 PR c/26818
1740 * c-decl.c (finish_struct): Skip erroneous fields.
1741
1742 2006-05-22 Nick Clifton <nickc@redhat.com>
1743
1744 * config/cris/cris.opt (march): Remove VarExists attribute.
1745 (max-stackframe=): Likewise.
1746
1747 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1748
1749 * doc/rtl.texi: Fix a typo.
1750 * see.c: Fix comment typos.
1751
1752 * tree-ssa-structalias.h (alias_info): Remove num_references.
1753
1754 2006-05-21 Mike Stump <mrs@apple.com>
1755
1756 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1757 (BAD2): Add.
1758 (darwin_pragma_options): Use BAD instead.
1759 (darwin_pragma_unused): Likewise.
1760 (darwin_pragma_ms_struct): Likewise.
1761
1762 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1763
1764 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1765
1766 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1767
1768 PR rtl-optimization/27671
1769 * simplify-rtx.c (simplify_relational_operation_1): Fix
1770 simplifications of (eq/ne (xor x y) y) and
1771 (eq/ne (xor x y) x).
1772
1773 PR tree-optimization/26622.
1774 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1775 on arg1.
1776
1777 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1778
1779 * tree-cfg.c: Prune whitespace.
1780 (debug_tree_cfg): Point to correct header containing the
1781 TDF_* defines.
1782
1783 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1784
1785 PR middle-end/25776
1786 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1787
1788 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1789
1790 PR middle-end/25776
1791 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1792 or sorry count is non zero.
1793
1794 2006-05-20 Andreas Schwab <schwab@suse.de>
1795
1796 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1797
1798 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1799 Kenneth Zadeck <zadeck@naturalbridge.com>
1800
1801 PR rtl-optimization/26855
1802
1803 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1804 multiword refs.
1805 (df_scan_alloc): Added code to properly handle multiword hard
1806 registers and add all_blocks parameter.
1807 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1808 code to properly handle multiword hard registers.
1809 (df_rescan_blocks): Added code to remove deleted blocks from
1810 bitmap.
1811 (df_ref_create_structure, df_ref_record): Added code to properly
1812 handle subregs.
1813 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1814 and set DF_REF_PARTIAL.
1815 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1816 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1817 (df_scan_add_problem): Added flags parameter.
1818 (df_ref_create_structure): Changed switching structure.
1819 (df_bb_refs_record): Fixed case where duplicate artificial refs
1820 were created. Changed location of flags.
1821 (df_record_entry_block_defs): Added code to make stack pointer
1822 live in entry block. Refined cases where frame pointer is needed.
1823 Changed location of flags.
1824 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1825 (df_set_state): Removed function.
1826 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1827 df_insn_create_insn_record, df_insn_refs_delete,
1828 df_ref_create_structure): Formatting changes.
1829 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1830 df_delete_basic_block): New function.
1831 (df_init): Changed location of flags.
1832 (df_add_problem): Added flags parameter and the way flags are
1833 processed.
1834 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1835 debug_df_chain): Improved debugging output.
1836 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1837 (df_refs_chain_dump): Removed df parameter.
1838 (df_iterative_dataflow): Added consistency check.
1839 (df_prune_to_subcfg): Made public.
1840 (df_analyze_problem): Added blocks_to_init parameter and made
1841 public.
1842 (df_ref_record, df_bb_refs_record, df_mark_reg,
1843 df_record_exit_block_uses): Whitespace changes.
1844 (df_dump): Whitespace changes.
1845 * df.h: Some reordering to remove forward references.
1846 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1847 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1848 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1849 (dataflow.flags): New field.
1850 (df.flag): Deleted field.
1851 (df_alloc_function): Added additional bitmap parameter.
1852 (df_dependent_problem_function): New type.
1853 (df_problem.changeable_flags): New field.
1854 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1855 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1856 (df_mw_hardreg): New struct.
1857 (DF_INSN_UID_MWS): New macro.
1858 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1859 parameter.
1860 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1861 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1862 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1863 (df_set_state): Removed function.
1864 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1865 * df-problems.c (df_chain_dump): Removed df parameter.
1866 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1867 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1868 parameter.
1869 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1870 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1871 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1872 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1873 DF_REF_MUST_CLOBBER cases.
1874 (df_ru_bb_local_compute_process_def,
1875 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1876 df_lr_bb_local_compute, df_ur_bb_local_compute,
1877 df_chain_create_bb): Made subreg aware.
1878 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1879 df_lr_bb_local_compute, df_lr_bb_local_compute,
1880 df_chain_create_bb): Cleanup to use proper macros.
1881 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1882 code to fixup bitvectors.
1883 (df_ri_alloc): Cleared lifetime.
1884 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1885 df_create_unused_note): New function.
1886 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1887 REG_DEAD and REG_UNUSED notes as well as register information.
1888 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1889 df_chains_dump): Fixed crash if problem was never run.
1890 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1891 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1892 df_ri_add_problem): Processes flags in uniform manner.
1893 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1894 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1895 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1896 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1897 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1898 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1899 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1900 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1901 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1902 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1903 * see.c (see_initialize_data): Ditto.
1904 * final.c (rest_of_clean_state) Added regstack_completed.
1905 * rtl.h (regstack_completed): Ditto.
1906 * reg-stack.c (regstack_completed): Ditto.
1907
1908 2006-05-19 Mike Stump <mrs@apple.com>
1909
1910 * c-tree.h (default_conversion): Remove.
1911 * c-common.h (default_conversion): Add.
1912
1913 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1914
1915 * tree-vrp.c (valid_value_p): New function.
1916 (adjust_range_with_scev): Fail if the value of bound is not
1917 simple.
1918
1919 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1920
1921 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1922 (mips_fallback_frame_state): Use syscall numbers to determine
1923 the appropriate li instruction for the current ABI. Only use
1924 __NR_sigreturn for o32.
1925
1926 2006-05-19 Nicolas Setton <setton@adacore.com>
1927
1928 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1929 * langhooks.c (lhd_dwarf_name): New function.
1930 * langhooks-def.h (lhd_dwarf_name): Declare.
1931 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1932 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1933 * ada/misc.c (gnat_dwarf_name): New function.
1934 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1935
1936 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1937
1938 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1939 libgcc2.h.
1940 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1941 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1942 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1943 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1944 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1945 determine the size of Wtype, etc.
1946 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1947 (swfloatfuncs): New variable.
1948 (dwfloatfuncs): Likewise.
1949 (lib2funcs): Remove floating-point conversion functions from
1950 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1951 the set of conversion routines needed. Allow entries to specify
1952 an object name, filename and word size. Update users accordingly.
1953 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1954 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1955
1956 Revert:
1957
1958 2006-02-08 Roger Sayle <roger@eyesopen.com>
1959
1960 PR target/22209
1961 * config/fixtfdi.c: New libgcc source file.
1962 * config/fixunstfdi.c: New source file.
1963 * config/floatditf.c: New source file.
1964 * config/floatunditf.c: New souce file.
1965 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1966 files above instead of config/mips/_tilib.c.
1967 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1968
1969 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1970
1971 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1972 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1973
1974 2006-05-18 Mike Stump <mrs@apple.com>
1975
1976 Fix up vla, vm and [*] sematics.
1977
1978 PR c/18740
1979 PR c/7948
1980 PR c/25802
1981 PR c/27673
1982 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1983 (c_vla_unspec_p): Add.
1984 (c_vla_type_p): Add.
1985 * c-decl.c (struct c_scope): Add had_vla_unspec.
1986 (build_array_declarator): Add support for [*].
1987 (grokdeclarator): Likewise.
1988 (grokparms): Likewise.
1989 (get_parm_info): Likewise.
1990 * c-objc-common.c (c_vla_unspec_p): Likewise.
1991 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1992 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1993 typeof when argument is a variably modified type not inside sizeof or alignof.
1994 (c_parser_direct_declarator_inner): Propagate errors.
1995 (c_parser_sizeof_expression): Add support for [*].
1996 (c_parser_parms_declarator): Initialize had_vla_unspec.
1997 (c_parser_parms_list_declarator): Likewise.
1998 * c-typeck.c (c_vla_type_p): Add.
1999 (composite_type): Add support for vla compositing.
2000 (comptypes_internal): Add support for vla compatibility.
2001 (c_expr_sizeof_expr): Evaluate vla arguments.
2002 * tree.c (variably_modified_type_p): Update comment for [*].
2003
2004 2006-05-18 Michael Matz <matz@suse.de>
2005
2006 PR target/27599
2007 * config.host: Make assignments to host_xmake_file cumulative.
2008 * config.host (*-darwin*): Test $host, not $target.
2009
2010 2006-05-12 Stuart Hastings <stuart@apple.com>
2011
2012 * config/i386/i386.opt (-mstackrealign): New flag.
2013 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2014 (ix86_handle_cconv_attribute): Emit error when
2015 force_align_arg_pointer attribute collides with too many regparms.
2016 (ix86_function_regparm): Limit regparms when used with
2017 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2018 Support stack-realigning prologue in non-main functions. Emit
2019 warning for nested functions under -mstackrealign, emit error for
2020 nested functions with force_align_arg_pointer attribute.
2021 * doc/extend.texi (force_align_arg_pointer): Document it.
2022 * doc/invoke.texi (-mstackrealign): Document it.
2023
2024 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2025
2026 PR rtl-optimization/27477
2027 * combine.c (try_combine): Don't split a parallel consisting
2028 of two sets into two individual sets if both sets reference
2029 cc0.
2030
2031 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2032
2033 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2034 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2035
2036 * doc/options.texi (VarExists): Updated.
2037
2038 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2039
2040 * unwind-dw2.c: Add declarations for uw_update_context and
2041 uw_frame_state_for.
2042 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2043 detected, advance frame state and context once to skip over stub.
2044
2045 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2046
2047 PR middle-end/20256
2048 PR middle-end/26435
2049 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2050 Call rewrite_into_loop_closed_ssa only when something changed.
2051 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2052 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2053 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2054 Test for perfect_nest_p here. Fix formating.
2055 (replace_uses_equiv_to_x_with_y): Fix formating.
2056 (stmt_uses_op): Removed.
2057 (can_convert_to_perfect_nest): Removed loopivs parameter.
2058 Complete the test by checking the scalar dependences.
2059 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2060 Fix formating.
2061
2062 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2063
2064 PR bootstrap/22541
2065 From Dan Kegel <dank@kegel.com>:
2066 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2067
2068 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2069
2070 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2071 if the element type is variably modified without recursing.
2072
2073 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2074
2075 PR middle-end/27332
2076 * tree-loop-linear.c (try_interchange_loops): Test for
2077 no data dependences.
2078
2079 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2080
2081 PR tree-optimization/27548
2082 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2083 range of ssa names that appear on abnormal edges.
2084 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2085 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2086
2087 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2088
2089 PR middle-end/27620
2090 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2091
2092 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2093
2094 PR middle-end/27415
2095 * tree.h (OMP_PARALLEL_COMBINED): Define.
2096 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2097 (new_omp_context): Add is_combined_parallel argument.
2098 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2099 new_omp_context caller.
2100 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2101 Adjust gimplify_scan_omp_clauses callers.
2102 (omp_is_private): Issue errors if iteration variable is firstprivate
2103 or reduction in the current context.
2104 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2105 on combined parallel workshare constructs.
2106
2107 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2108
2109 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2110 (gcc-options.o): New rule.
2111
2112 * optc-gen.awk: Protect variables for gcc-options.o with
2113 #ifdef GCC_DRIVER/#endif.
2114
2115 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2116
2117 Fix PR tree-optimization/27373
2118 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2119 (forward_propagate_addr_expr): Update call.
2120
2121 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2122
2123 * doc/options.texi: Move the Negative option.
2124
2125 2006-05-16 Richard Guenther <rguenther@suse.de>
2126
2127 PR tree-optimization/22303
2128 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2129 from STRING_CSTs.
2130 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2131 ccp_fold did not simplify the statement.
2132
2133 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2134
2135 PR driver/26885
2136 * Makefile.in (GCC_OBJS): New.
2137 (OBJS-common): Add opts-common.o.
2138 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2139 (cpp$(exeext)): Likewise.
2140 (gcc.o): Also depend on opts.h.
2141 (opts-common.o): New.
2142
2143 * common.opt (gcoff): Add Negative(gdwarf-2).
2144 (gdwarf-2): Add Negative(gstabs).
2145 (gstabs): Add Negative(gstabs+).
2146 (gstabs+): Add Negative(gvms).
2147 (gvms): Add Negative(gxcoff).
2148 (gxcoff): Add Negative(gxcoff+).
2149 (gxcoff+): Add Negative(gcoff).
2150 * config/i386/i386.opt (m32): Add Negative(m64).
2151 (m64): Add Negative(m32).
2152
2153 * doc/options.texi: Document the Negative option.
2154
2155 * gcc.c: Include "opts.h".
2156 (main): Call prune_options after expandargv.
2157
2158 * optc-gen.awk: Generate common declarations for all flag
2159 variables in options.c. Output the neg_index field.
2160
2161 * opts.c (find_opt): Moved to ...
2162 * opts-common.c: Here. New file.
2163
2164 * opts.h (cl_option): Add a neg_index field.
2165 (find_opt): New.
2166 (prune_options): Likewise.
2167
2168 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2169
2170 PR middle-end/27573
2171 * omp-low.c (expand_omp_parallel): Don't assert
2172 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2173 instead search for it.
2174
2175 PR c/27499
2176 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2177 is signed.
2178
2179 2006-05-16 Andreas Schwab <schwab@suse.de>
2180
2181 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2182 defmac.
2183
2184 2006-05-15 Roger Sayle <roger@eyesopen.com>
2185
2186 PR target/26600
2187 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2188 integer constants other than zero are only legitimate on TARGET_64BIT.
2189 <CONST_VECTOR> Only zero vectors are legitimate.
2190 (ix86_cannot_force_const_mem): Integral and vector constants can
2191 always be put in the constant pool.
2192
2193 2006-05-16 DJ Delorie <dj@redhat.com>
2194
2195 * crtstuff.c (__dso_handle): Set section from
2196 TARGET_LBIGCC_SDATA_SECTION if defined.
2197 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2198 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2199
2200 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2201
2202 PR target/27599
2203 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2204 host_xmake_file.
2205
2206 2006-05-16 Ben Elliston <bje@au.ibm.com>
2207
2208 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2209
2210 2006-05-15 Per Bothner <per@bothner.com>
2211
2212 * tree.c: (last_annotated_node): Use source_locus typedef.
2213 This permits bootstrapping with --enable-mapped-location.
2214
2215 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2216
2217 PR tree-optimization/26830
2218 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2219 (info_for_ssa_name, current_info_for_ssa_name_age,
2220 blocks_to_update): New variables.
2221 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2222 (clear_ssa_name_info, initialize_flags_in_bb,
2223 mark_block_for_update): New functions.
2224 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2225 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2226 prepare_def_site_for): Use mark_block_for_update.
2227 (mark_def_interesting): Assert that the processed block is marked in
2228 blocks_to_update. Do not take blocks argument.
2229 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2230 argument.
2231 (rewrite_update_init_block, rewrite_update_stmt): Only process
2232 blocks with statements to rewrite.
2233 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2234 (update_ssa): Initialize and free blocks_to_update. Do not
2235 clear flags on statements. Do not use blocks bitmap.
2236 * tree.h (SSA_NAME_AUX): Removed.
2237 (struct tree_ssa_name): Removed aux field.
2238 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2239
2240 2006-05-15 Richard Guenther <rguenther@suse.de>
2241
2242 PR tree-optimization/27603
2243 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2244 Do computations in original type.
2245
2246 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2247
2248 * see.c: Code style changes such as redundant paranthesis,
2249 redundant intialization of local variables etc.
2250 (see_main): Declared now as static.
2251 * doc/invoke.texi: Update that -fsee is not enabled by
2252 default at -O3.
2253
2254 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2255
2256 * omp-low.c (check_omp_nesting_restrictions): New function.
2257 (scan_omp_1): Call it.
2258
2259 PR middle-end/27416
2260 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2261 construct, return *VAR.
2262
2263 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2264
2265 PR rtl-optimization/27406
2266 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2267 edges.
2268
2269 2006-05-14 Roger Sayle <roger@eyesopen.com>
2270
2271 PR rtl-optimization/27538
2272 * combine.c (expand_compound_operation): Call gen_lowpart
2273 before calling simplify_shift_const.
2274
2275 2006-05-14 Roger Sayle <roger@eyesopen.com>
2276
2277 PR rtl-optimization/22563
2278 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2279 a fixed width bitfield, always force the intermediates into psuedos.
2280
2281 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2282
2283 PR 27501
2284 * mkconfig.sh: Use operator = instead of == for test.
2285
2286 2006-05-13 Nick Clifton <nickc@redhat.com>
2287
2288 * dwarf2out.c (dbx_reg_number): Check return value from
2289 LEAF_REG_REMAP and only use it if it is valid.
2290 (multiple_reg_loc_descriptor): Likewise.
2291
2292 2006-05-13 Richard Guenther <rguenther@suse.de>
2293
2294 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2295 host_xmake_file.
2296
2297 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2298
2299 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2300 information attached to non-INSNs such as NOTEs.
2301 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2302
2303 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2304
2305 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2306 On contraint.
2307 * config/s390/s390.md: Adjust comment describing On constraint.
2308
2309 2006-05-11 Jan Hubicka <jh@suse.cz>
2310
2311 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2312 to be output at -O0.
2313
2314 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2315
2316 PR middle-end/27384
2317 * fold-const.c (size_binop): Move sanity check for arguments to
2318 the beginning of the function.
2319
2320 PR middle-end/27488
2321 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2322 expression.
2323
2324 2006-05-11 Richard Guenther <rguenther@suse.de>
2325
2326 PR middle-end/27529
2327 * fold-const.c (fold_unary): Handle intermediate conversion
2328 to a pointer type like intermediate conversion to an integer
2329 type in folding of (T1)(T2)var to var.
2330 Match the code to the comment in the final conversion for
2331 (T1)(T2)var to (T1)var regarding to type precision. Rather
2332 than disallow T1 being of pointer type, assert that both T1
2333 and var are of pointer type or not. Make sure not to fall
2334 over the frontends lazyness wrt array to pointer decay though.
2335
2336 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2337
2338 * arm.c (arm_struct_value_rtx): Delete.
2339 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2340 (arm_init_cumulative_args): Always initialize nregs to zero.
2341
2342 2006-05-10 Richard Guenther <rguenther@suse.de>
2343
2344 PR tree-optimization/27532
2345 * tree-object-size.c (plus_expr_object_size): Fix typo.
2346
2347 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2348
2349 PR target/24949
2350 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2351 ashrdi_const, ashrdi3): Use a scratch register.
2352
2353 2006-05-10 Richard Guenther <rguenther@suse.de>
2354
2355 PR tree-optimization/27302
2356 * fold-const.c (operand_equal_p): For two comparisons,
2357 try comparison of one comparison code swapped if that yields
2358 the same code.
2359
2360 2006-05-10 Ben Elliston <bje@au.ibm.com>
2361
2362 * tree-pretty-print.c (pretty_print_string): No need to handle
2363 '\0' as a special character.
2364
2365 * tree.h: Include "hashtab.h".
2366 (iterative_hash_expr): Use hashval_t in its prototype.
2367 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2368
2369 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2370
2371 PR bootstrap/26872
2372 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2373 (hppa*64*-*-hpux11*): Ditto.
2374 (hppa[12]*-*-hpux11*): Ditto.
2375
2376 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2377
2378 PR target/26545
2379 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2380
2381 2006-05-09 Michael Matz <matz@suse.de>
2382
2383 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2384 host_extra_gcc_objs and host_xmake_file.
2385 (<*-*-linux*>): Don't overwrite host_xmake_file.
2386 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2387 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2388 (host_detect_local_cpu): Declare.
2389 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2390 * config/i386/i386.c (override_options): Handle -mtune=native
2391 as -mtune=generic.
2392 * config/i386/x-i386: New file.
2393 * config/i386/driver-i386.c: New file.
2394 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2395 cpu-type "native".
2396
2397 2006-05-09 Dirk Mueller <dmueller@suse.de>
2398 Richard Guenther <rguenther@suse.de>
2399
2400 PR middle-end/27498
2401 * fold-const.c (fold_read_from_constant_string): Relax check
2402 for matching types to matching modes.
2403
2404 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2405
2406 PR rtl-optimization/27335
2407 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2408 loops.
2409
2410 2006-05-08 Chao-ying Fu <fu@mips.com>
2411 Richard Sandiford <richard@codesourcery.com>
2412
2413 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2414 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2415 * config/mips/mips.md (UNSPEC_SCC): New constant.
2416 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2417 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2418 (mips_emit_compare): Use it.
2419 (mips_expand_vcondv2sf): New function.
2420
2421 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2422
2423 Fix PR tree-optimization/27093
2424 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2425 renaming when they become not-used_alone.
2426
2427 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2428
2429 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2430 relocation and relocation stubs.
2431
2432 2006-05-08 Eric Christopher <echristo@apple.com>
2433
2434 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2435 section for ppc.
2436
2437 2006-05-08 Jan Hubicka <jh@suse.cz>
2438
2439 PR middle-end/24561
2440 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2441 unused static functions are needed.
2442
2443 2006-05-08 Roger Sayle <roger@eyesopen.com>
2444
2445 PR target/27158
2446 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2447 of a reg_equiv_constant if the result is a legitimate constant.
2448
2449 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2450
2451 PR target/27277
2452 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2453 standard 80387 constants, raise the cost to prevent
2454 compress_float_constant() to generate load from memory.
2455
2456 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2457
2458 * config/arm/constraints.md (c): Fix a typo.
2459
2460 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2461 typos.
2462
2463 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2464
2465 PR target/24879
2466 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2467 inline function.
2468 (_mm_mwait): Likewise.
2469
2470 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2471 "mwait".
2472 (sse3_monitor): Make it 32bit only.
2473 (sse3_monitor64): New. 64bit monitor.
2474
2475 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2476
2477 PR target/27421
2478 * config/i386/i386.c (classify_argument): Skip fields with invalid
2479 types.
2480
2481 2006-05-07 Richard Guenther <rguenther@suse.de>
2482
2483 PR tree-optimization/27409
2484 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2485 Do not try to find zero-sized subvars.
2486
2487 2006-05-07 Richard Guenther <rguenther@suse.de>
2488
2489 PR tree-optimization/27136
2490 * tree-ssa-loop-niter.c (get_val_for): Correct function
2491 comment, assert requirements.
2492 (loop_niter_by_eval): Stop processing if the iterated
2493 value did not simplify.
2494
2495 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2496
2497 * opts.c (flag_see): remove its setting at -O3.
2498
2499 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2500
2501 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2502 * arm/constraints.md: New file.
2503 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2504 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2505 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2506 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2507 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2508 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2509 * arm.md: Include constraints.md.
2510 (thumb_movsi_insn): Use satisfies_constraint_J.
2511 (movhi, movqi): Use satisfies_constraint_I.
2512
2513 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2514
2515 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2516 for atmeg a645 device.
2517
2518 2006-05-06 Richard Guenther <rguenther@suse.de>
2519
2520 PR tree-optimization/27151
2521 * tree-vect-transform.c (vectorizable_condition): Punt on
2522 values that have a different type than the condition.
2523
2524 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2525
2526 PR/21391
2527 * c-parser.c (c_parser_cast_expression): Only insert casts into
2528 hash table if pointer.
2529 * function.c (used_types_insert_helper): Rename from
2530 used_types_insert.
2531 (used_types_insert): Call used_types_insert_helper.
2532 * function.h (used_types_insert): Accept only one argument.
2533
2534 2006-05-05 David Edelsohn <edesohn@gnu.org>
2535
2536 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2537 scratch with output modifier.
2538
2539 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2540
2541 PR target/26481
2542 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2543 with output modifier.
2544
2545 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2546
2547 PR target/26765
2548 * config/mips/mips.c (mips_symbolic_address_p): Return true
2549 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2550 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2551
2552 2006-05-04 Richard Guenther <rguenther@suse.de>
2553
2554 PR tree-optimization/14287
2555 PR tree-optimization/14844
2556 PR tree-optimization/19792
2557 PR tree-optimization/21608
2558 PR tree-optimization/27090
2559 * tree-ssa-pre.c (try_combine_conversion): New function.
2560 (compute_avail): After constructing the value-handle
2561 expression, use try_combine_conversion to combine NOP_EXPRs
2562 with previous value-handle expressions and use the result if it
2563 is available.
2564
2565 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2566
2567 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2568
2569 2006-05-04 Jan Hubicka <jh@suse.cz>
2570
2571 PR middle-end/25962
2572 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2573
2574 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2575
2576 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2577 that this only matches CONST_INTs. All users changed to VOIDmode
2578 operands.
2579
2580 * config/bfin/bfin.c: Include "optabs.h".
2581 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2582 to do more work.
2583 (enum bfin_builtins): Add a number of fractional and vector builtins.
2584 (bfin_init_builtins): Likewise.
2585 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2586 (safe_vector_operand, bfin_expand_binop_builtin,
2587 bfin_expand_unop_builtin): New functions.
2588 (bfin_expand_builtin): Handle the new builtins.
2589 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2590 __ADSPBLACKFIN__.
2591
2592 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2593
2594 * see.c: New file.
2595 * Makefile.in (OBJS-common): Add see.o.
2596 (see.o): Add dependencies.
2597 * common.opt (fsee): New flag for the see optimization was added.
2598 * opts.c (flag_see): Initialized.
2599 * passes.c (init_optimization_passes, pass_see): New pass.
2600 * rtl.h (see_main): Declaration as extern.
2601 * timevar.def (TV_SEE): New.
2602 * tree-pass.h (pass_see): Declaration as extern.
2603 * invoke.texi (-fsee): Document.
2604 * recog.c (validate_simplify_insn): New function.
2605 * recog.h (validate_simplify_insn): Declaration as extern.
2606 * df-problems.c (df_chain_dump): Check for NULL.
2607
2608 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2609 Daniel Berlin <dberlin@dberlin.org>
2610
2611 * cfgrtl.c (insert_insn_bb_end_new): New function.
2612 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2613
2614 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2615
2616 * df.h (struct web_entry): Moved from web.c.
2617 (union_defs): Declaration as extern.
2618 (unionfind_root): Likewise.
2619 (unionfind_union): Likewise.
2620 * web.c (struct web_entry): Moved to df.h.
2621 (unionfind_root): Remove static declaration.
2622 (unionfind_union): Likewise.
2623 (union_defs): Likewise and generalize to use callback function.
2624 (web_main): Update arguments for union_defs function call.
2625
2626 2006-05-04 Richard Guenther <rguenther@suse.de>
2627
2628 PR tree-optimization/26447
2629 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2630 produce SSA_NAME copies before the store stmt to avoid
2631 breaking exception handling.
2632
2633 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2634
2635 PR middle-end/27388
2636 * gimplify.c (omp_is_private): If var is shared in some outer context,
2637 return false instead of true. Stop searching on parallel context
2638 boundary.
2639
2640 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2641
2642 PR java/8260
2643 * coverage.c: Use get_gcov_unsigned_t() instead of
2644 unsigned_type_node all over.
2645
2646 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2647
2648 PR tree-optimization/27381
2649 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2650 maintain the same immediate_use links.
2651 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2652 node rather than segfaulting.
2653
2654 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2655
2656 PR fortran/27395
2657 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2658 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2659 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2660
2661 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2662
2663 Fix PR tree-optimization/26626
2664 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2665 always.
2666 * tree-ssa-operands.c (access_can_touch_variable): Allow
2667 typecasting through union pointers.
2668
2669 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2670
2671 PR c++/26943
2672 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2673 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2674 to find if var will be a global variable even in the nested context.
2675 (omp_copy_decl): Only check for global variable at the end, it might
2676 be overridden in outer contexts.
2677 (scan_sharing_clauses): For global variables don't create a field.
2678 (lower_rec_input_clauses): Do nothing for global shared variables.
2679 Emit a barrier at the end of ILIST if there were any decls in both
2680 firstprivate and lastprivate clauses.
2681 (lower_send_clauses): Do nothing for global variables except for
2682 COPYIN.
2683
2684 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2685
2686 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2687 of the correct signedness is returned.
2688
2689 2006-05-02 Jeff Law <law@redhat.com>
2690
2691 PR tree-optimization/27364
2692 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2693 multiply expressions.
2694
2695 2006-05-02 Tom Tromey <tromey@redhat.com>
2696
2697 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2698
2699 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2700
2701 PR target/27387
2702 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2703 -mthumb -fPIC are used.
2704
2705 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2706 Joshua Kinard <kumba@gentoo.org>
2707
2708 PR target/25871
2709 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2710 with 64-bit pointers.
2711
2712 2006-05-02 Paul Brook <paul@codesourcery.com>
2713
2714 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2715 and pool overlap.
2716 (create_fix_barrier): Check that a suitable barrier location is
2717 found.
2718 (arm_reorg): Include ftmp->address in allowable range of addresses.
2719
2720 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2721
2722 PR ada/27366
2723 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2724 on Cygwin.
2725
2726 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2727
2728 PR middle-end/27337
2729 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2730 around RESULT_DECL for result passed by reference.
2731 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2732 * omp-low.c (use_pointer_for_field): Don't look at
2733 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2734 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2735 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2736 time or var for passing by reference for
2737 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2738 TREE_ADDRESSABLE variables when passing by reference.
2739
2740 * omp-low.c (dump_omp_region): Fix output formatting.
2741
2742 PR middle-end/27328
2743 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2744 (expand_omp_parallel): Likewise.
2745 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2746
2747 PR middle-end/27325
2748 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2749 on statement list containing also constructors and destructors.
2750 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2751
2752 PR middle-end/27310
2753 * except.c (duplicate_eh_regions): Fix clearing of
2754 cfun->eh->region_array entries.
2755
2756 2006-05-01 DJ Delorie <dj@redhat.com>
2757
2758 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2759 build!=host.
2760 (gcc_cv_objdump): Likewise.
2761 * configure: Regenerated.
2762
2763 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2764
2765 PR target/27374
2766 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2767 templates for case 3 and 4.
2768
2769 2006-05-01 DJ Delorie <dj@redhat.com>
2770
2771 * vec.c: Include bconfig.h when appropriate.
2772 * Makefile.in (build/vec.o): Adjust dependencies.
2773 * mkconfig.sh: Make sure config.h isn't used for build machine
2774 compiles.
2775
2776 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2777
2778 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2779 variables.
2780 (mark_phi_for_rewrite): New function.
2781 (insert_phi_nodes_for, mark_use_interesting): Call
2782 mark_phi_for_rewrite.
2783 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2784 (update_ssa): Initialize and free phis_to_rewrite.
2785
2786 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2787
2788 PR rtl-optimization/27291
2789 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2790 folded to a constant.
2791
2792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2793
2794 PR tree-optimization/27283
2795 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2796 not whole # of iteration descriptions.
2797 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2798 uses abnormal ssa name.
2799 (niter_for_single_dom_exit): Ditto.
2800 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2801 return just the number of iterations.
2802
2803 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2804
2805 PR tree-optimization/27144
2806 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2807 (record_estimate): Only record constant upper bound.
2808 (infer_loop_bounds_from_undefined): Call
2809 compute_estimated_nb_iterations just once.
2810 (proved_non_wrapping_p): Renamed to ...
2811 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2812 (convert_step_widening, scev_probably_wraps_p): Call
2813 n_of_executions_at_most instead of proved_non_wrapping_p.
2814 (substitute_in_loop_info): Do not replace values in bounds.
2815 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2816 comments.
2817
2818 2006-05-01 Richard Henderson <rth@redhat.com>
2819
2820 PR c/27358
2821 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2822 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2823 CPP_PRAGMA.
2824
2825 2006-05-01 Roger Sayle <roger@eyesopen.com>
2826
2827 * c-typeck.c (parser_build_binary_op): Don't call the function
2828 unsigned_conversion_warning to spot operand/result type overflow.
2829 (build_binary_op): Instead, call convert_and_check instead of
2830 convert to report the problem when the operands are promoted.
2831 * c-common.c (unsigned_conversion_warning): Make static.
2832 * c-common.h (unsigned_conversion_warning): Delete prototype.
2833
2834 2006-05-01 Richard Guenther <rguenther@suse.de>
2835
2836 PR tree-optimization/26726
2837 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2838 problem ...
2839 (find_interesting_uses_address): ... we work around here
2840 by folding INDIRECT_REFs in the substituted base.
2841
2842 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2843
2844 * omp-low.c (dump_omp_region): Add newlines.
2845
2846 2006-04-30 Roger Sayle <roger@eyesopen.com>
2847
2848 * common.opt (Woverflow): New command line option.
2849 * c-common.c (constant_expression_warning): Check warn_overflow.
2850 (overflow_waring): Pass OPT_Woverflow to warning.
2851 (unsigned_conversion_warning): Likewise.
2852 (convert_and_check): Likewise.
2853 * doc/invoke.texi: Document new command line option.
2854
2855 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2856
2857 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2858 TARGET_NO_FP_IN_TOC for section anchors.
2859 (optimization_options): Enable section anchors for all
2860 non-"Objective" languages.
2861
2862 2006-04-28 Eric Christopher <echristo@apple.com>
2863
2864 * config/darwin-c.c (darwin_ms_struct): Move this
2865 (darwin_set_default_type_attributes): and this...
2866 * config/darwin.c: ... here.
2867 * config/darwin.h (darwin_ms_struct): Declare.
2868
2869 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2870
2871 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2872
2873 2006-04-28 Roger Sayle <roger@eyesopen.com>
2874
2875 PR c/25309
2876 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2877 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2878 an unsigned HOST_WIDE_INT.
2879 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2880 array index.
2881 (really_start_incremental_init): No need to call convert because
2882 bitsize_zero_node is already of type bitsizetype.
2883 (push_init_level): Extract the value of constructor_index as an
2884 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2885 (process_init_element): Likewise.
2886
2887 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2888
2889 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2890 value before passing to make_relative_prefix.
2891
2892 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2893
2894 PR middle-end/27260
2895 * builtins.c (expand_builtin_memset): Expand val in original mode.
2896
2897 2006-04-27 Eric Christopher <echristo@apple.com>
2898
2899 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2900 with #ifndef/#endif.
2901 * config/darwin-c.c (darwin_ms_struct): New.
2902 (darwin_pragma_ms_struct): Ditto.
2903 (darwin_set_default_type_attributes): Ditto.
2904 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2905 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2906 Register ms_struct pragma.
2907 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2908 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2909 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2910 darwin_set_default_type_attributes if TARGET_MACHO.
2911
2912 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2913
2914 PR tree-optimization/26854
2915 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2916 * doc/tree-ssa.texi: Update immuse iterator documentation.
2917 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2919 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2920 first_safe_imm_use, next_safe_imm_use): Remove.
2921 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2922 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2923 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2924 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2925 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2926 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2927 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2928 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2929 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2930 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2931 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2932 (perfect_nestify): Use new iterator.
2933 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2934 iterator.
2935 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2936 (next_imm_name): New field in struct immediate_use_iterator_d.
2937 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2938 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2939 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2940 * tree-cfg.c (replace_uses_by): Use new iterator.
2941 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2942 * tree-ssa-operands.c (correct_use_link): Remove.
2943 (finalize_ssa_use_ops): No longer call correct_use_link.
2944
2945 2006-04-27 Stuart Hastings <stuart@apple.com>
2946
2947 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2948 * config/t-darwin (crt3.o): Use it.
2949 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2950 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2951 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2952 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2953 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2954 support.
2955
2956 2006-04-27 Roger Sayle <roger@eyesopen.com>
2957
2958 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2959 size, force the intermediate into a new pseudo rather instead of
2960 performing both a bitwise AND and a bitwise IOR in memory.
2961
2962 2006-04-27 Richard Guenther <rguenther@suse.de>
2963
2964 PR rtl-optimization/26685
2965 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2966 this one "max-flow-memory-locations".
2967
2968 2006-04-27 Richard Guenther <rguenther@suse.de>
2969
2970 PR tree-optimization/25148
2971 * tree-vrp.c (compare_values): Remove code dealing with
2972 comparisons against type min/max value. Honour overflow
2973 and negative constants in code dealing with comparisons
2974 of plus and minus expressions.
2975 (value_inside_range): Use fold_binary with LE_EXPR and
2976 GE_EXPR rather than compare_values.
2977
2978 2006-04-27 Dirk Mueller <dmueller@suse.de>
2979
2980 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2981 prototype for SSE.
2982
2983 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2984
2985 * basic-block.h (safe_insert_insn_on_edge): Removed.
2986 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2987
2988 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2989 Paolo Bonzini <bonzini@gnu.org>
2990
2991 PR middle-end/27282
2992 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2993 (simplify_and_const_int): Same.
2994
2995 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2996
2997 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2998
2999 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3000
3001 PR c/26171
3002 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3003 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3004 cgraph_global_info_ready.
3005
3006 PR middle-end/26913
3007 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3008
3009 PR c/25996
3010 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3011 either decl or init is error_mark_node.
3012
3013 PR middle-end/25989
3014 * tree-flow.h (struct omp_region): Add sched_kind.
3015 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3016 instead of extracting omp for data.
3017 (expand_omp_for): Save extracted sched_kind.
3018
3019 2006-04-25 Roger Sayle <roger@eyesopen.com>
3020
3021 * expmed.c (store_bit_field): Also check whether the bitsize is
3022 valid for the machine's "insv" instruction before moving the
3023 target into a pseudo for use with the insv.
3024 * config/i386/predicates.md (const8_operand): New predicate.
3025 * config/i386/i386.md (extv, extzv, insv): Use the new
3026 const8_operand predicate where appropriate.
3027
3028 2006-04-25 DJ Delorie <dj@redhat.com>
3029
3030 * doc/install.texi (Specific): Clarify that this is not a list of
3031 supported hosts or targets.
3032
3033 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3034
3035 PR rtl-optimization/26725
3036 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3037 block's BB_DIRTY flag.
3038
3039 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3040
3041 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3042 are no branches.
3043
3044 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3045 to print an integer.
3046
3047 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3048
3049 * varasm.c (align_variable): New function.
3050 (get_block_for_decl): Apply align_variable to DECL before
3051 calculating section information.
3052 (assemble_variable): Split out alignment computation.
3053
3054 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3055
3056 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3057 machines.
3058
3059 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3060
3061 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3062 MODE_PARTIAL_INT mode.
3063 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3064 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3065 for CONST_INTs.
3066 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3067 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3068 V2PDImode.
3069 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3070 New predicates.
3071 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3072 New constants.
3073 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3074 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3075 MACFLAG_IH): Likewise.
3076 (movstricthi_1): Renamed from "*movstricthi".
3077 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3078 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3079 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3080 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3081 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3082 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3083 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3084 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3085 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3086 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3087 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3088 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3089 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3090 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3091 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3092
3093 * doc/rtl.texi (ss_ashift): Improve wording.
3094
3095 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3096
3097 * dwarf2out.c (verify_marks_clear): New.
3098 (prune_unused_types): Call verify_marks_clear initially, not
3099 prune_unmark_dies.
3100
3101 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3102
3103 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3104 * doc/rtl.texi: Document them.
3105 * simplify-rtx.c (simplify_unary_operation,
3106 simplify_binary_operation_1): Don't abort when we see them.
3107
3108 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3109
3110 Revert:
3111 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3112 * configure.ac: Completely disregard languages that are not
3113 enabled.
3114 * configure: Regenerated.
3115
3116 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3117 Richard Guenther <rguenther@suse.de>
3118
3119 PR tree-optimization/27236
3120 * tree-inline.c (copy_body_r): Make sure to copy
3121 TREE_THIS_VOLATILE flag.
3122
3123 2006-04-24 Richard Guenther <rguenther@suse.de>
3124
3125 PR middle-end/26869
3126 * tree-complex.c (update_parameter_components): Don't handle
3127 unused parameters which have no default def.
3128
3129 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3130 Richard Guenther <rguenther@suse.de>
3131
3132 PR tree-optimization/27218
3133 * tree-inline.c (expand_call_inline): Strip useless type
3134 conversions for the return slot address.
3135
3136 2006-04-24 Richard Guenther <rguenther@suse.de>
3137
3138 * cfgloop.h (struct loops): Remove unused field array. Reorder
3139 state after num.
3140 (LOOP_PREFETCH): Remove.
3141
3142 2006-04-24 Richard Guenther <rguenther@suse.de>
3143
3144 PR tree-optimization/22525
3145 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3146 variable, adjust types of generated expressions.
3147
3148 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3149
3150 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3151 (tree-vect-patterns.o): Likewise.
3152 (jump.o): Likewise.
3153 (cselib.o): Likewise.
3154 (loop-doloop.o): Likewise.
3155 (regclass.o): Likewise.
3156 (reload1.o): Likewise.
3157 (explow.o): Replace target.h with $(TARGET_H).
3158 (ipa-prop.o): Likewise.
3159 (ipa-cp.o): Likewise.
3160 (ipa-inline.o): Likewise.
3161 (reorg.o): Likewise.
3162 (reg-stack.o): Likewise.
3163
3164 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3165
3166 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3167
3168 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3169
3170 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3171
3172 * configure.ac: Completely disregard languages that are not
3173 enabled.
3174 * configure: Regenerated.
3175
3176 PR c++/26534
3177 * c-common.h (c_build_bitfield_integer_type): Declare.
3178 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3179 * c-common.c (c_build_bitfield_integer_type): ... here.
3180
3181 2006-04-23 Roger Sayle <roger@eyesopen.com>
3182
3183 PR target/21283
3184 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3185 a SImode SUBREG of a floating point register after no_new_pseudos.
3186
3187 2006-04-23 Roger Sayle <roger@eyesopen.com>
3188
3189 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3190 identify potentially eliminable registers to additionally catch
3191 VIRTUAL_INCOMING_ARGS_REGNUM.
3192 (addsi3): Update the conditions on when to use addsi_small_int.
3193
3194 2006-04-23 Roger Sayle <roger@eyesopen.com>
3195
3196 PR target/16641
3197 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3198 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3199 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3200
3201 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3202
3203 * fold-const.c (range_predecessor): Use operand_equal_p
3204 as the predicate for equality.
3205 (range_successor): Likewise.
3206
3207 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3208
3209 Revert:
3210 * config/soft-fp/op-common.h: Fix a typo.
3211
3212 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3213
3214 PR libmudflap/26864
3215 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3216 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3217
3218 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3219
3220 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3221 Fix comment typos.
3222 * doc/tm.texi: Fix a typo.
3223
3224 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3225
3226 * dwarf2out.c (struct die_struct): Document that die_sib makes
3227 a circular linked list.
3228 (FOR_EACH_CHILD): New.
3229 (reverse_die_lists): Delete.
3230 (reverse_all_dies): Delete.
3231 (add_dwarf_attr): Correct documentation.
3232 (remove_child_with_prev): New.
3233 (remove_child_TAG): Update for change to die_struct, use
3234 remove_child_with_prev.
3235 (add_child_die): Update for change to die_struct.
3236 (splice_child_die): Use remove_child_with_prev and add_child_die.
3237 (print_die): Use FOR_EACH_CHILD.
3238 (die_checksum): Likewise.
3239 (assign_symbol_names): Likewise.
3240 (output_location_lists): Likewise.
3241 (build_abbrev_table): Likewise.
3242 (calc_die_sizes): Likewise.
3243 (mark_dies): Likewise.
3244 (unmark_dies): Likewise.
3245 (unmark_all_dies): Likewise.
3246 (output_die): Likewise.
3247 (prune_unused_types_mark): Likewise.
3248 (prune_unused_types_walk): Likewise.
3249 (same_die_p): Update for change to die_struct.
3250 (break_out_includes): Likewise.
3251 (prune_unused_types_prune): Likewise.
3252 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3253 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3254 it's already clear.
3255 (dwarf2out_finish): Don't call reverse_all_dies.
3256
3257 2006-04-21 Eric Christopher <echristo@apple.com>
3258
3259 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3260 in comments and function names.
3261
3262 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3263
3264 PR c/25875
3265 * c-typeck.c (digest_init): Robustify.
3266
3267 * c-typeck.c (pop_init_level): Simplify.
3268
3269 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3270
3271 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3272
3273 2006-04-21 Paul Brook <paul@codesourcery.com>
3274
3275 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3276 hardware floating point.
3277
3278 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3279
3280 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3281 NON_FLOAT_REGS.
3282
3283 2006-04-21 Nick Clifton <nickc@redhat.com>
3284
3285 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3286 OPT_EXTRA_PARTS.
3287
3288 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3289
3290 PR target/27230
3291 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3292 C++ lang type in traceback table for Objective-C++.
3293
3294 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3295
3296 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3297
3298 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3299
3300 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3301
3302 PR mudflap/26789
3303 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3304 were errors. Remove check for erroneous objects.
3305
3306 2006-04-20 Jeff Law <law@redhat.com>
3307
3308 PR tree-optimization/26854
3309 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3310 checking for zero or one use.
3311 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3312 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3313 * tree-ssa-reassoc.c (negate_value): Similarly.
3314 (reassociate_bb): Similarly.
3315
3316 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3317
3318 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3319 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3320 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3321
3322 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3323
3324 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3325 fp regs if the last fp arg doesn't fit in regs.
3326
3327 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3328
3329 PR target/27182
3330 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3331 that the last insn has the REG_INC note.
3332
3333 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3334 Nathan Sidwell <nathan@codesourcery.com>
3335
3336 PR c/26774
3337 * stor-layout.c (update_alignment_for_field): Do not align
3338 ERROR_MARK nodes.
3339 (place_union_field): Place union field at the start of the union.
3340 (place_field): Move ERROR_MARK check later, and use the current
3341 allocation position to maintain monotonicity.
3342
3343 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3344
3345 * dominance.c: Include timevar.h.
3346 (calculate_dominance_info): Use TV_DOMINANCE.
3347 * timevar.def (TV_DOMINANCE): New timevar.
3348 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3349
3350 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3351
3352 PR rtl-optimization/14261
3353 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3354 move would be an INSV insn.
3355 (noce_process_if_block): Don't optimize if the destination is a
3356 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3357
3358 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3359
3360 * config/s390/s390.md: Add comments with the instructions emitted
3361 by an insn pattern if macros are used.
3362
3363 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3364
3365 PR rtl-optimization/26026
3366 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3367 is a known power of two shifted left a variable amount.
3368
3369 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3370
3371 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3372 to hash table twice when the debug_str section has SECTION_MERGE.
3373
3374 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3375
3376 * config/soft-fp: New directory. From glibc.
3377 * config/soft-fp/t-softfp: New.
3378 * config/soft-fp/README: New.
3379 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3380 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3381 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3382 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3383 * config.gcc: Use rs6000/t-fprules-fpbit or
3384 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3385 rs6000/t-fprules.
3386 * config/rs6000/sfp-machine.h: New. Based on glibc.
3387 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3388 New.
3389 * config/rs6000/t-fprules: Remove fp-bit rules.
3390 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3391 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3392 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3393 (softfp_wrap_start, softfp_wrap_end): New.
3394
3395 2006-04-18 DJ Delorie <dj@redhat.com>
3396
3397 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3398
3399 2006-04-18 Devang Patel <dpatel@apple.com>
3400
3401 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3402
3403 2006-04-18 Nick Clifton <nickc@redhat.com>
3404
3405 * config/sh/t-symbian: Add rule to build sh-c.o
3406 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3407 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3408 (sh_symbian_encode_section_info): Likewise.
3409
3410 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3411
3412 * builtins.c (expand_builtin_strcmp): Cover label definition of
3413 do_libcall with HAVE_cmpstrnsi.
3414
3415 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3416
3417 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3418 instead of VARRAY.
3419 * function.h (temp_slot_p): New.
3420 (function): Change the type of x_used_temp_slots to
3421 VEC(temp_slot_p,gc) *.
3422
3423 2006-04-18 Nick Clifton <nickc@redhat.com>
3424
3425 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3426 flag_strength_reduce.
3427
3428 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3429
3430 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3431
3432 PR target/27117
3433
3434 Partial revert of revision 112637
3435 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3436 Dale Johannesen <dalej@apple.com>
3437
3438 PR target/19653
3439 * regclass.c (struct reg_pref): Update documentation.
3440 (regclass): Set prefclass to NO_REGS if memory is the best option.
3441 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3442
3443 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3444
3445 PR tree-optimization/26821
3446 * tree-ssa-math-opts.c (get_constant_one): New.
3447 (insert_reciprocals): Use it.
3448
3449 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3450
3451 * dwarf2out.c (free_AT): Delete.
3452 (remove_AT): Update string ref counts.
3453 (remove_child_TAG): Don't call free_die.
3454 (free_die): Delete.
3455 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3456 or DW_TAG_GNU_EINCL.
3457 (prune_unused_types_walk_attribs): Reset string refcounts.
3458 (prune_unused_types_update_strings): New.
3459 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3460 call free_die. Do call prune_unused_types_update_strings.
3461 (prune_unused_types): Empty debug_str_hash.
3462
3463 2006-04-17 Roger Sayle <roger@eyesopen.com>
3464
3465 * expr.c (expand_assignment): Optimize away no-op moves where the
3466 source and destination are equal and have no side-effects.
3467
3468 2006-04-17 Richard Guenther <rguenther@suse.de>
3469
3470 PR target/26826
3471 * reload.c (push_reload): Guard calls to get_secondary_mem
3472 for memory subregs.
3473
3474 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3475
3476 * alias.c (reg_base_value, old_reg_base_value): Change the
3477 type to VEC(rtx,gc) *.
3478 (REG_BASE_VALUE, find_base_value, record_set,
3479 init_alias_analysis): Use VEC instead of VARRAY.
3480
3481 * alias.c (alias_sets): Change the type to
3482 VEC(alias_set_entry,gc) *.
3483 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3484 VEC instead of VARRAY.
3485 (last_alias_set): Remove.
3486
3487 * cgraph.h (cgraph_edge_p): New.
3488 Update the prototype of cgraph_function_versioning.
3489 * cgraphunit.c (cgraph_copy_node_for_versioning,
3490 cgraph_function_versioning): Use VEC instead of VARRAY.
3491 * ipa-cp.c (ipcp_insert_stage): Likewise.
3492
3493 2006-04-16 Roger Sayle <roger@eyesopen.com>
3494
3495 PR target/26961
3496 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3497 "A op B" or "A op C", we may need to convert A to the type of B and C.
3498
3499 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3500
3501 * target.h (struct gcc_target): Add mode_rep_extended.
3502 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3503 (init_num_sign_bit_copies_in_rep): Initialize it using
3504 mode_rep_extended.
3505 (truncate_to_mode): Use it.
3506 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3507 * targhooks.h (default_mode_rep_extended): Declare it.
3508 * targhooks.c (default_mode_rep_extended): Define it.
3509 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3510 default_mode_rep_extended.
3511 (TARGET_INITIALIZER): Include it.
3512 * doc/tm.texi (Misc): Document it.
3513 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3514 (mips_truncated_to_mode): New function.
3515
3516 2006-04-16 Roger Sayle <roger@eyesopen.com>
3517
3518 PR middle-end/25474
3519 * expr.c (compress_float_constant): Copy the narrow constant into
3520 a new pseudo before extending it to its final width.
3521
3522 2006-04-16 Roger Sayle <roger@eyesopen.com>
3523 Andrew Pinski <pinskia@gcc.gnu.org>
3524 Dale Johannesen <dalej@apple.com>
3525
3526 PR target/24076
3527 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3528 special case code to implement V8HImode and V16QImode with SSE2.
3529
3530 2006-04-15 Roger Sayle <roger@eyesopen.com>
3531
3532 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3533 trees are constructed with a suitable tree type.
3534
3535 2006-04-15 Roger Sayle <roger@eyesopen.com>
3536
3537 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3538 (integer_onep): Likewise.
3539 (integer_all_onesp): Likewise.
3540 (integer_pow2p): Likewise.
3541 (integer_nonzerop): Likewise.
3542 (real_zerop): Likewise.
3543 (real_onep): Likewise.
3544 (real_twop): Likewise.
3545 (real_minus_onep): Likewise.
3546 (int_size_in_bytes): Likewise.
3547 (host_integerp): Likewise.
3548
3549 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3550
3551 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3552 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3553 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3554
3555 * tree-ssa-structalias.h (alias_info): Remove num_references.
3556
3557 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3558
3559 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3560 (output_bvb patterns): Likewise.
3561 * pa.c (output_bb): Use 'bb' insn for long branch case.
3562 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3563 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3564 1. Correct length operand for alternatives 1 and 2.
3565 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3566 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3567
3568 2006-04-14 Roger Sayle <roger@eyesopen.com>
3569
3570 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3571 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3572 were accidentally reverted by r112959.
3573
3574 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3575
3576 PR middle-end/26823
3577 * except.h (eh_region_outermost): New prototype.
3578 * except.c (eh_region_outermost): New function.
3579 * tree-cfg.c (find_outermost_region_in_block): Use it.
3580
3581 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3582
3583 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3584 of VARRAY.
3585 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3586 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3587 (init_reload, reload): Use VEC instead of VARRAY.
3588 * reload.h: Update the prototype for
3589 reg_equiv_memory_loc_varray.
3590
3591 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3592 Eric Botcazou <ebotcazou@libertysurf.fr>
3593
3594 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3595 register save area.
3596
3597 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3598
3599 PR middle-end/27134
3600 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3601 to expand fallback builtin function call.
3602
3603 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3604
3605 PR middle-end/27095
3606 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3607 and emit libcall here in case the builtin fails.
3608 (expand_builtin_strcmp): Always emit the libcall here on failure.
3609
3610 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3611
3612 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3613 * flow.c (reg_n_info): Change the type to
3614 VEC(reg_info_p,heap) *.
3615 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3616 instead of VARRAY.
3617 * regs.h (reg_info_p): New.
3618 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3619 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3620 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3621 instead of VARRAY.
3622
3623 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3624
3625 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3626 defaulting to 100.
3627 * params.h (MAX_SCHED_READY_INSNS): New macro.
3628 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3629 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3630 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3631 the ready list for 1 cycle during the first scheduling pass.
3632 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3633
3634 2006-04-13 Richard Henderson <rth@redhat.com>
3635
3636 PR libgomp/26651
3637 * gimple-low.c (lower_omp_directive): Remove dead code.
3638 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3639 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3640 * omp-low.c (struct omp_region): Move to tree-flow.h.
3641 (root_omp_region): Export.
3642 (omp_regions, lookup_omp_region): Remove.
3643 (determine_parallel_type): Update for struct omp_region changes.
3644 (dump_omp_region): Dump regions with block numbers.
3645 (new_omp_region): Take type and block instead of stmt; malloc
3646 instead of ggc.
3647 (free_omp_region_1, free_omp_regions): New.
3648 (expand_parallel_call): Take entry_stmt as argument; update for
3649 changes to omp_region.
3650 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3651 (remove_exit_barriers): New.
3652 (expand_omp_parallel): Update for struct omp_region changes.
3653 (expand_omp_synch): Likewise.
3654 (expand_omp): Likewise.
3655 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3656 (expand_omp_for_static_chunk): Likewise.
3657 (expand_omp_for): Likewise.
3658 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3659 (expand_omp_sections): Similarly, with GOMP_sections_end.
3660 (expand_omp_single): New.
3661 (build_omp_regions_1): Update for OMP_CONTINUE.
3662 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3663 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3664 OMP_SECTIONS_SECTIONS.
3665 (lower_omp_single_simple): Don't emit barrier here.
3666 (lower_omp_single_copy): Likewise.
3667 (lower_omp_single): Fix bindings, and lower to straightline now.
3668 (lower_omp_master, lower_omp_ordered): Likewise.
3669 (lower_omp_critical): Likewise.
3670 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3671 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3672 omp edges, free it afterward.
3673 (make_omp_sections_edges): Remove.
3674 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3675 (move_stmt_r): Handle OMP_CONTINUE.
3676 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3677 statement pointers to basic blocks. Add type member.
3678 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3679 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3680 * tree-inline.c (estimate_num_insns_1): Likewise.
3681 * tree-pretty-print.c (dump_generic_node): Likewise.
3682 * tree-ssa-operands.c (get_expr_operands): Likewise.
3683 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3684 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3685 (OMP_CONTINUE): New.
3686 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3687 (OMP_SECTIONS_SECTIONS): Remove.
3688 (OMP_SECTION_LAST): New.
3689 (OMP_RETURN_NOWAIT): New.
3690
3691 2006-04-13 Roger Sayle <roger@eyesopen.com>
3692
3693 * fold-const.c (native_encode_vector, native_interpret_real):
3694 Correct obvious mistakes in the previous check-in.
3695
3696 2006-04-13 Roger Sayle <roger@eyesopen.com>
3697
3698 * fold-const.c (native_encode_expr): New function to encode
3699 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3700 or VECTOR_CST into a specified buffer.
3701 (native_encode_int): New function.
3702 (native_encode_real): New function.
3703 (native_encode_complex): New function.
3704 (native_encode_vector): New function.
3705 (native_interpret_expr): Inverse of native_encode_expr to convert
3706 a target representation into an INTEGER_CST, REAL_CST etc...
3707 (native_interpret_int): New function.
3708 (native_interpret_real): New function.
3709 (native_interpret_complex): New function.
3710 (native_interpret_vector): New function.
3711 (fold_view_convert_expr): New function to constant fold/evaluate
3712 a VIEW_CONVERT_EXPR of a suitable constant expression.
3713 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3714 Change call of build1 to fold_build1 when constructing a
3715 VIEW_CONVERT_EXPR.
3716
3717 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3718 Ulrich Weigand <uweigand@de.ibm.com>
3719
3720 PR target/27006
3721 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3722 to be even.
3723
3724 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3725
3726 PR target/26459
3727 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3728 optimize to lo_sum for DFmode if !TARGET_FPRS.
3729
3730 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3731
3732 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3733 delete_alias_info, compute_flow_sensitive_aliasing,
3734 group_aliases): Use VEC instead of VARRAY.
3735 * tree-ssa-structalias.c (update_alias_info): Likewise.
3736 * tree-ssa-structalias.h (alias_info): Change the type of
3737 processed_ptrs to VEC(tree,heap) *.
3738
3739 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3740
3741 PR target/27060
3742 * config/sh/lib1funcs.h: New file, broken out of:
3743 * config/sh/lib1funcs.asm.
3744 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3745 New macros.
3746 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3747 * config/sh/lib1funcs-Os-4-200.asm: New file.
3748 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3749 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3750 (EXTRA_MULTILIB_PARTS): Include it.
3751 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3752 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3753 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3754 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3755 TARGET_SH2.
3756
3757 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3758
3759 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3760 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3761 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3762 VARRAY.
3763 * tree-ssa-live.h: Include vecprim.h.
3764 (tree_partition_associator_d): Change the type of
3765 first_partition to VEC(int,heap) *.
3766 (tpa_first_partition): Use VEC instead of VARRAY.
3767
3768 * Makefile.in (GTFILES): Move functions.h after tree.h.
3769 * function.c (reset_block_changes, record_block_change,
3770 check_block_change, free_block_changes): Use VEC instead of
3771 VARRAY.
3772 * function.h (function): Change the type of
3773 ib_boundaries_block to VEC(tree,gc) *.
3774 * tree-inline.c (copy_cfg_body): Initialize
3775 ib_boundaries_block to NULL instead of (varray_type) 0.
3776
3777 2006-04-12 Roger Sayle <roger@eyesopen.com>
3778
3779 * expr.c (emit_group_store): Correct operand order in call to
3780 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3781 a SUBREG_BYTE of zero.
3782
3783 2006-04-12 Richard Guenther <rguenther@suse.de>
3784
3785 * profile.c (compute_branch_probabilities): Remove code
3786 encapsulated in !ir_type (), which are remanents of the
3787 removed RTL profiling code.
3788 * rtl-profile.c: Remove.
3789
3790 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3791
3792 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3793 magic NULL_RTX comment.
3794 (function_arg): Store entire fp arg to mem if any part should go
3795 on stack.
3796 (rs6000_arg_partial_bytes): Adjust for above change.
3797
3798 2006-04-11 Roger Sayle <roger@eyesopen.com>
3799
3800 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3801 if it hasn't been initialized by dwarf2out_init.
3802
3803 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3804
3805 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3806 symbolic constants in branch patterns.
3807
3808 2006-04-11 Roger Sayle <roger@eyesopen.com>
3809
3810 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3811
3812 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3813
3814 PR rtl-optimization/27073
3815 * gcse.c (try_replace_reg): Revert last change. Continue to search
3816 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3817 on the former.
3818
3819 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3820
3821 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3822 aggregate types other than record and union types.
3823 (function_arg): Likewise.
3824 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3825 small arrays.
3826 (function_value): In 64-bit mode, return objects that require it
3827 in FP registers.
3828
3829 2006-04-11 Roger Sayle <roger@eyesopen.com>
3830
3831 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3832
3833 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3834
3835 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3836
3837 2006-04-03 Jeff Law <law@redhat.com>
3838
3839 PR/27087
3840 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3841 alias information too.
3842
3843 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3844
3845 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3846
3847 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3848
3849 PR/21391
3850 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3851 (premark_used_types_helper): New.
3852 (premark_used_types): New.
3853 (gen_subprogram_die): Call premark_used_types.
3854 (prune_unused_types_walk): Do not prune perennial dies.
3855 * function.c (used_types_insert): New.
3856 * function.h (struct function): Add used_types_hash field.
3857 (used_types_insert): Add prototype.
3858 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3859 * c-parser.c (c_parser_cast_expression): Save casted types in used
3860 types hash table.
3861
3862 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3863
3864 PR target/26459
3865 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3866 rs6000_explicit_options.float_gprs.
3867
3868 2006-04-10 Roger Sayle <roger@eyesopen.com>
3869
3870 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3871 from ix86_expand_vector_init_low_nonzero. Take an additional
3872 one_var argument indicating which element is non-zero. Support
3873 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3874 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3875 with one_var instead of ix86_expand_vector_init_low_nonzero.
3876
3877 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3878
3879 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3880 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3881 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3882 build/genextract.o): Depend on vecprim.h.
3883 * cfglayout.c, df-problems.c, function.c, genextract.c,
3884 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3885 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3886 vecprim.h.
3887 * vecprim.h: New.
3888
3889 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3890
3891 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3892 Declare VECs of this type.
3893 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3894 (remove_children): Delete.
3895 (add_dwarf_attr): Use VEC routines.
3896 (add_AT_flag): Update for changes to add_dwarf_attr.
3897 (add_AT_int): Likewise.
3898 (add_AT_unsigned): Likewise.
3899 (add_AT_long_long): Likewise.
3900 (add_AT_vec): Likewise.
3901 (add_AT_string): Likewise.
3902 (add_AT_die_ref): Likewise.
3903 (add_AT_fde_ref): Likewise.
3904 (add_AT_loc): Likewise.
3905 (add_AT_loc_list): Likewise.
3906 (add_AT_addr): Likewise.
3907 (add_AT_lbl_id): Likewise.
3908 (add_AT_lineptr): Likewise.
3909 (add_AT_macptr): Likewise.
3910 (add_AT_offset): Likewise.
3911 (add_AT_range_list): Likewise.
3912 (get_AT): Use VEC_iterate.
3913 (remove_AT): Use VEC_ordered_remove.
3914 (free_die): Fold remove_children into here; have it use VEC_iterate.
3915 (print_die): Use VEC_iterate on attrs.
3916 (reverse_die_lists): Don't reverse attr lists.
3917 (die_checksum): Use VEC_iterate on attrs.
3918 (same_die_p): Likewise.
3919 (output_location_lists): Likewise.
3920 (build_abbrev_table): Likewise.
3921 (size_of_die): Likewise.
3922 (unmark_all_dies): Likewise.
3923 (output_abbrev_section): Likewise.
3924 (output_die): Likewise.
3925 (prune_unused_types_walk_attribs): Likewise.
3926
3927 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3928
3929 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3930
3931 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3932
3933 PR debug/27057
3934 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3935
3936 2006-04-09 Roger Sayle <roger@eyesopen.com>
3937
3938 * expr.c (store_constructor): Don't bother clearing target if
3939 we're about to assign a vector to it using vec_init_optab.
3940
3941 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3942
3943 * tree-ssa-alias.c (lhs_may_store_to): New function.
3944 (recalculate_used_alone): Handle LHS of calls.
3945
3946 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3947
3948 PR target/27034
3949 PR target/26508
3950 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3951 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3952 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3953 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3954 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3955 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3956 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3957 stubs. Add ".align 8" directives before all ".dword" directives.
3958 (GTHREAD_USE_WEAK): Revise comment.
3959 (TARGET_ATTRIBUTE_WEAK): Define.
3960 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3961 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3962 * stublib.c: New file.
3963
3964 PR target/26743
3965 PR target/11254
3966 PR target/10274
3967 * pa.md (cbranch patterns): Revise arguments used in calls to
3968 output_cbranch, output_bb and output_bvd. Add long branch length
3969 attributes.
3970 (fbranch patterns): Handle long branches.
3971 (jump): Revise length check. Revise arguments for output_lbranch call.
3972 Add long branch length attributes.
3973 (decrement_and_branch_until_zero): Add long branch length attributes.
3974 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3975 Likewise. Revise arguments for output_parallel_addb and
3976 output_parallel_movb calls.
3977 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3978 output_parallel_movb and output_parallel_addb): Update prototypes.
3979 * pa.c (output_cbranch): Revise arguments. Correct handling of
3980 nullification in long branches.
3981 (output_lbranch): Add new argument to control extraction of delay
3982 instruction.
3983 (output_bb): Handle long branches.
3984 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3985 output_parallel_addb): Likewise.
3986
3987 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3988
3989 PR rtl-optimization/27073
3990 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3991 not REG_EQUIVs.
3992
3993 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3994
3995 * tree.h (tree_memory_tag): Add old_used_alone.
3996 (SMT_OLD_USED_ALONE): New macro.
3997 * tree-ssa-alias.c (recalculate_used_alone): Stop
3998 marking things for renaming unnecessarily.
3999
4000 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4001
4002 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4003 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4004 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4005 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4006 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4007 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4008 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4009 spelling convensions.
4010 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4011 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4012 typos. Follow spelling conventions.
4013
4014 2006-04-07 DJ Delorie <dj@redhat.com>
4015
4016 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4017 passed on the stack.
4018 (m32c_init_cumulative_args): When a function returns a structure,
4019 always pass the pointer to that return area on the stack.
4020 (m32c_function_arg_advance): Don't increment the parameter number
4021 if we're processing the returned structure pointer.
4022 (pushm_info): Reverse order of registers.
4023
4024 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4025
4026 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4027 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4028 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4029 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4030 build_int_cst_type.
4031 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4032 chrec_fold_multiply): Same.
4033 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4034 force_expr_to_var_cost): Same.
4035 * tree-mudflap.c (mf_xform_derefs_1): Same.
4036 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4037
4038 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4039
4040 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4041 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4042 insn.
4043
4044 2006-04-07 Jan Hubicka <jh@suse.cz>
4045
4046 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4047
4048 2006-04-07 Richard Guenther <rguenther@suse.de>
4049
4050 PR tree-optimization/26135
4051 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4052 loads for store copy-prop.
4053 (copy_prop_visit_stmt): Likewise.
4054
4055 2006-04-05 Robert Millan <robertmh@gnu.org>
4056
4057 * config/i386/linux.h: Add a comment to mark macros that are
4058 being overriden in config/k*bsd-gnu.h.
4059 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4060 DYNAMIC_LINKER.
4061 * config/knetbsd-gnu.h: Ditto.
4062
4063 2006-04-06 Jan Hubicka <jh@suse.cz>
4064
4065 PR profile/20815
4066 PR profile/26399
4067 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4068 after buffer.
4069
4070 2006-04-06 Mike Stump <mrs@apple.com>
4071
4072 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4073 for HAVE_nonlocal_goto to be consistent.
4074 (expand_builtin_nonlocal_goto): Likewise.
4075 (expand_builtin_strcmp): Use #ifdef instead of #if
4076 for HAVE_cmpstrnsi to be consistent.
4077
4078 2006-04-05 DJ Delorie <dj@redhat.com>
4079
4080 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4081 vs m32c.
4082
4083 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4084
4085 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4086 got-relative addressing for anything but SImode.
4087
4088 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4089 even if the calling function doesn't modify them.
4090
4091 2006-04-05 Richard Guenther <rguenther@suse.de>
4092
4093 PR tree-optimization/26919
4094 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4095 to cgraph_estimate_size_after_inlining.
4096
4097 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4098
4099 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4100
4101 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4102
4103 PR tree-optimization/26996
4104 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4105 VECTOR_TYPE variables.
4106
4107 2006-04-05 Richard Guenther <rguenther@suse.de>
4108
4109 PR tree-optimization/26763
4110 * fold-const.c (fold_comparison): Move folding of
4111 PTR + CST CMP PTR + CST ...
4112 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4113
4114 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4115
4116 * doc/install.texi (Prerequisites): Refine some wording on
4117 bootstrapping and ksh.
4118 Move the version numbers of DejaGnu here from the testing section
4119 and fix casing of names.
4120 Fix markup and clarify wording for autogen requirements.
4121 Refer to GCJ instead of just java.
4122 Refer to SVN instead of CVS.
4123 Describe diffutils as useful instead of necessary.
4124 (Downloading the source): Refer to SVN instead of CVS.
4125 Adjust a link to our web site accordingly.
4126 (Configuration): Fix casing of Bison.
4127 (Building): Refer to SVN instead of CVS.
4128 Fix a sentence on the use of Bison and remove duplicate (and
4129 incorrect) version number of Bison requirement.
4130 Remove one redundant list of packages needed for building.
4131 (Specific): Avoid reference to CVS.
4132
4133 2006-04-04 Eric Christopher <echristo@apple.com>
4134
4135 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4136 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4137 (rs6000_handle_struct_attribute): New.
4138 (rs6000_ms_bitfield_layout_p): Ditto.
4139
4140 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4141
4142 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4143 NULL for dso parameter to atexit_common.
4144
4145 2006-04-04 Eric Christopher <echristo@apple.com>
4146
4147 * config/i386/i386.c (machopic_output_stub): Output \t
4148 between instructions and operands.
4149
4150 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4151
4152 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4153 satisfies_constraint_[IL] to explicit tests on value.
4154
4155 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4156
4157 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4158 set_nb_iterations_in_loop): Use build_int_cst instead of
4159 build_int_cst_type.
4160 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4161 build_int_cst instead of convert.
4162
4163 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4164
4165 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4166 new value 2 for incoming.
4167 * function.c (expand_function_start): Call struct_value_rtx
4168 with incoming as 2.
4169 * config/sparc/sparc.md: Comment updated_return.
4170 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4171 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4172 struct return if sparc_std_struct_return and incoming is 2.
4173 (print_operand): Do not adjust return if
4174 sparc_std_struct_return.
4175
4176 2006-04-04 Roger Sayle <roger@eyesopen.com>
4177
4178 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4179 convert in the middle-end.
4180 * expr.c (store_expr, store_constructor, get_inner_reference,
4181 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4182 Likewise.
4183 * tree.c (build_range_type): Likewise.
4184
4185 2006-04-04 Tom Tromey <tromey@redhat.com>
4186
4187 * doc/install.texi (Prerequisites): Mention jar.
4188
4189 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4190
4191 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4192 subsection.
4193
4194 2006-04-04 Matthias Klose <doko@debian.org>
4195
4196 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4197 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4198 strings.
4199
4200 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4201
4202 * doc/extend.texi (Function Attributes): Rewrite visibility
4203 attribute documentation.
4204 * doc/invoke.texi (C++ Dialect Options): Rewrite
4205 -fvisibility-inlines-hidden documentation to describe something
4206 entirely different, although in practise compatible.
4207 (Code Gen Options): Warn about system headers in -fvisibility=
4208 documentation.
4209
4210 * doc/extend.texi (Other Builtins): Document that
4211 __builtin_nan is a compile-time constant only when its argument
4212 is valid.
4213
4214 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4215
4216 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4217 trying to remove TRUNCATE check if all bits outside the new mode
4218 are identical to the sign bit.
4219
4220 2006-04-03 Jeff Law <law@redhat.com>
4221
4222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4223 and operand scanning in some common cases.
4224
4225 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4226 Dale Johannesen <dalej@apple.com>
4227
4228 PR target/19653
4229 * regclass.c (struct reg_pref): Update documentation.
4230 (regclass): Set prefclass to NO_REGS if memory is the best option.
4231 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4232 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4233 into account. For non-registers, equate an empty preferred
4234 reload class to a `!' in the constraint; move the if clause to
4235 do so after those that reject the insn.
4236 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4237 return NO_REGS.
4238 (find_dummy_reload): Likewise.
4239 * doc/tm.texi (Register Classes): Document what it means
4240 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4241 * config/i386/i386.c (ix86_preferred_reload_class): Force
4242 using SSE registers (and return NO_REGS for floating-point
4243 constants) if math is done with SSE.
4244 (ix86_preferred_output_reload_class): New.
4245 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4246 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4247 * config/i386/i386.md: Remove # register preferences.
4248
4249 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4250
4251 PR bootstrap/26992
4252 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4253 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4254 the type of nb_iter.
4255 (instantiate_parameters_1): Convert the operands before calling
4256 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4257 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4258
4259 2006-04-02 Roger Sayle <roger@eyesopen.com>
4260
4261 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4262 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4263 instead of convert.
4264 * dojump.c (do_jump): Likewise.
4265 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4266 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4267 gimplify_boolean_expr): Likewise.
4268 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4269 * varasm.c (array_size_for_constructor): Likewise.
4270 * tree-object-size.c (compute_object_offset): Likewise.
4271
4272 2006-04-02 Roger Sayle <roger@eyesopen.com>
4273
4274 PR middle-end/26977
4275 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4276 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4277
4278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4279
4280 PR tree-optimization/26939
4281 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4282
4283 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4284
4285 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4286 at_stmt. Convert the type of operands before calling
4287 build_polynomial_chrec.
4288 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4289 add_to_evolution_1.
4290 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4291 (instantiate_parameters_1): Convert the type of operands before calling
4292 build_polynomial_chrec.
4293 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4294 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4295 reset_evolution_in_loop): Insert asserts to check the types of the
4296 operands.
4297 (chrec_type): Moved...
4298 (eq_evolutions_p): Use operand_equal_p.
4299 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4300 the types of the operands.
4301 (chrec_type): ...here.
4302 * tree-data-ref.c (create_data_ref): Convert the operands before
4303 calling chrec_replace_initial_condition.
4304 (same_access_functions, analyze_subscript_affine_affine,
4305 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4306 (compute_subscript_distance, analyze_ziv_subscript,
4307 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4308 analyze_miv_subscript): Convert the operands before calling
4309 chrec_fold_minus or chrec_fold_plus.
4310
4311 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4312
4313 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4314 the dependence_relations vector.
4315 (compute_data_dependences_for_loop): Adjust call to
4316 compute_all_dependences.
4317
4318 2006-04-01 Roger Sayle <roger@eyesopen.com>
4319 Richard Henderson <rth@redhat.com>
4320
4321 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4322 gimple_boolify on the condition before calling gimplify_expr.
4323
4324 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4325
4326 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4327 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4328 the frame size. Update to use the new macros.
4329 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4330 * config/xtensa/ieee754-df.S: Likewise.
4331
4332 2006-03-31 Richard Henderson <rth@redhat.com>
4333
4334 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4335 (make_edges): ... here. Control fallthru creation with a local
4336 variable. Do not play with fake edges.
4337 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4338 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4339 a boolean.
4340
4341 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4342
4343 * dwarf2.h (DW64_CIE_ID): Define.
4344 * dwarf2out.c (DWARF_CIE_ID): Define.
4345 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4346 length header. Use DWARF_CIE_ID.
4347 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4348 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4349
4350 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4351
4352 * config/sh/linux-atomic.asm: New file.
4353 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4354
4355 2006-03-31 DJ Delorie <dj@redhat.com>
4356
4357 * config/m32c/cond.md: Set condition flags properly throughout.
4358 * config/m32c/minmax.md: Likewise.
4359 * config/m32c/prologue.md: Likewise.
4360 * config/m32c/bitops.md: Likewise.
4361 * config/m32c/muldiv.md: Likewise.
4362 * config/m32c/mov.md: Likewise.
4363 * config/m32c/addsub.md: Likewise.
4364 * config/m32c/m32c.md: Likewise.
4365 * config/m32c/jump.md: Likewise.
4366 * config/m32c/shift.md: Likewise.
4367
4368 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4369 conditionally output the pattern for this.
4370 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4371 (m32c_compare_redundant): New.
4372 (m32c_output_compare): New.
4373 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4374
4375 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4376 dest, not src. Allow other 4-byte modes.
4377
4378 2006-03-30 Denis Chertykov <denisc@overta.ru>
4379
4380 * doc/md.texi: Refer to avr/constraints.md instead of
4381 avr/avr.h.
4382
4383 2006-03-30 Roger Sayle <roger@eyesopen.com>
4384
4385 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4386 signed vs. unsigned comparison failures on some hosts.
4387
4388 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4389
4390 PR target/26459
4391 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4392 change to FLOAT_REGS.
4393
4394 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4395 (rs6000_override_options): Use it.
4396 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4397 only for -mabi=spe/no-spe and -mabi=altivec.
4398
4399 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4400
4401 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4402 !Zdynamiclib.
4403
4404 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4405
4406 * Makefile.in: Rename docdir to gcc_docdir.
4407
4408 2006-03-30 Roger Sayle <roger@eyesopen.com>
4409
4410 PR target/17959
4411 * expr.c (emit_group_store): Optimize group stores into a pseudo
4412 register by using a paradoxical subreg to initialize the destination
4413 if the first or last member of the group specifies a "low part".
4414
4415 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4416
4417 PR target/26734
4418 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4419 * target.h (struct gcc_target.speculate_insn): Change type of the
4420 second parameter to 'int'.
4421 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4422 the second operand of the DEPS_LIST.
4423 (copy_DEPS_LIST_list): Update reference to the second operand of the
4424 DEPS_LIST.
4425 * rtl.h (alloc_DEPS_LIST): Update signature.
4426 * sched-int.h (ds_t): Change typedef to 'int'.
4427 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4428
4429 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4430
4431 * haifa-sched.c (try_ready): Change condition to restore
4432 non-speculative pattern of the instruction.
4433 (process_insn_depend_be_in_spec): Code to keep probability of the
4434 speculative dependence non-decreasing.
4435
4436 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4437
4438 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4439 (single_move_for_movmem): ... this. Also change all uses.
4440 (bfin_expand_strmov): Renamed to...
4441 (bfin_expand_movmem): ... this. Also change all uses.
4442 * config/bfin/bfin.md (movstrsi): Renamed to...
4443 (movstrsi): ...this.
4444
4445 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4446
4447 PR tree-optimization/26830
4448
4449 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4450 (copy_prop_visit_stmt): Remove write-only variable ann.
4451 (init_copy_prop): Check variable loop depth here. Do not simulate
4452 memory-tag and virtual operand PHIs except for store copy prop.
4453
4454 2006-03-30 Richard Guenther <rguenther@suse.de>
4455
4456 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4457 variants with double arguments.
4458
4459 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4460
4461 * genpreds.c (write_tm_constrs_h): Delete variable p.
4462 * genconditions.c (write_header): Add tm-constrs.h to included
4463 headers.
4464 * genpeep.c (main): Add toplev.h to included headers.
4465 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4466 (build/genpeep.o): Add toplev.h dependency.
4467 * config/rs6000/constraints.md: Add "W" constraint.
4468
4469 2006-03-29 Roger Sayle <roger@eyesopen.com>
4470
4471 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4472 sizes by correctly testing whether the size fits a host integer.
4473 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4474 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4475 SImode range for the default sizetype and bitsizetype.
4476
4477 2006-03-29 Roger Sayle <roger@eyesopen.com>
4478
4479 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4480 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4481 quickly if the argument is already of the correct type.
4482 Call fold_build1 instead of build1. Tidy up blank lines.
4483
4484 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4485
4486 * genemit.c (main): Add tm-constrs.h to included headers.
4487 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4488 * genpeep.c (main): Add tm-constrs.h to included headers.
4489 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4490 (write_tm_constrs_h): this and write complete file.
4491 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4492 (write_insn_preds_c): Add tm-constrs.h to included headers.
4493 (gen_constrs): New variable.
4494 (parse_option): Parse "-c".
4495 (main): Invoke write_tm_constrs_h.
4496 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4497 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4498 (object_out_file): Add tm-constrs.h dependency.
4499 (insn-emit.o): Same.
4500 (insn-output.o): Same.
4501 (insn-peep.o): Same.
4502 (insn-preds.o): Same.
4503 (insn-recog.o): Same.
4504 (tm-constsr.h): New target.
4505 (s-constrs-h): New target.
4506
4507 * config/rs6000/constraints.md: New file.
4508 * config/rs6000/rs6000.c: Include tm-constrs.h.
4509 (num_insn_constant_wide): Convert to satisfies_constraint.
4510 (rs6000_rtx_costs): Convert to satisfies_constraint.
4511 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4512 (CONST_OK_FOR_LETTER_P): Delete.
4513 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4514 (EXTRA_CONSTRAINT): Delete.
4515 (EXTRA_MEMORY_CONSTRAINT): Delete.
4516 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4517 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4518 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4519 satisfies_constraint.
4520
4521 * config/i386/i386.c: Include tm-constrs.h.
4522
4523 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4524
4525 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4526 * tree-data-ref.c (find_data_references_in_loop,
4527 compute_data_dependences_for_loop): Use pointers to VEC.
4528 (analyze_all_data_dependences): Adjust calls.
4529 * tree-data-ref.h (find_data_references_in_loop,
4530 compute_data_dependences_for_loop): Adjust declarations.
4531 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4532 compute_data_dependences_for_loop.
4533
4534 2006-03-29 Paul Brook <paul@codesourcery.com>
4535
4536 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4537 (movdf_vfp): Ditto.
4538
4539 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4540
4541 PR tree-optimization/26859
4542 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4543 division by zero.
4544 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4545 for the step after fold_convert.
4546
4547 2006-03-29 Paul Brook <paul@codesourcery.com>
4548
4549 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4550 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4551
4552 2006-03-29 Paul Brook <paul@codesourcery.com>
4553
4554 PR middle-end/23623
4555 * targhooks.c (default_narrow_bitfield): New fuction.
4556 * targhooks.h (default_narrow_bitfield): add prototype.
4557 * target.h (gcc_target): Add narrow_volatile_bitfield.
4558 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4559 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4560 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4561 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4562
4563 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4564
4565 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4566 tmake_file.
4567 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4568 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4569 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4570 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4571 (s390_function_arg_float): Allow SDmode and DDmode values to be
4572 passed in floating point registers.
4573 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4574 check with SCALAR_FLOAT_MODE_P.
4575 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4576
4577 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4578
4579 PR tree-optimization/25985
4580 * tree-ssa-loop-niter.c (number_of_iterations_le,
4581 number_of_iterations_ne): Make comments more precise.
4582 (number_of_iterations_cond): Add only_exit argument. Use the
4583 fact that signed variables do not overflow only when only_exit
4584 is true.
4585 (loop_only_exit_p): New.
4586 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4587 number_of_iterations_cond.
4588
4589 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4590
4591 PR tree-optimization/26643
4592 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4593 bit_field_refs.
4594
4595 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4596
4597 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4598 (divsi3_i4_int): Likewise.
4599
4600 2006-03-28 Roger Sayle <roger@eyesopen.com>
4601
4602 * expr.c (emit_group_store): Only create a new pseudo reg if the
4603 quantity it needs to hold isn't already a suitable pseudo.
4604
4605 2006-03-28 Jeff Law <law@redhat.com>
4606
4607 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4608 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4609
4610 2006-03-28 Roger Sayle <roger@eyesopen.com>
4611
4612 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4613 the equivalent ~X & Y, and the symmetry related transformations.
4614 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4615 ~X & Y, and symmetry related transforms.
4616
4617 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4618
4619 Revert my 2006-03-27 patches.
4620
4621 2006-03-28 Roger Sayle <roger@eyesopen.com>
4622
4623 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4624 ~(T1)X, when T1 and T2 are integer types of the same precision
4625 and (T2)X isn't an extension.
4626
4627 2006-03-28 Jeff Law <law@redhat.com>
4628
4629 PR tree-optimization/26796
4630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4631 need EH edge cleanups rather than purging them immediately.
4632 (eliminate_degenerate_phis): Handle queued EH cleanups.
4633
4634 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4635
4636 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4637 from parent_var.
4638
4639 2006-03-27 Roger Sayle <roger@eyesopen.com>
4640
4641 PR middle-end/22524
4642 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4643 cast BIT_NOT_EXPR operand to the correct type.
4644
4645 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4646
4647 * tree-loop-linear.c: Don't include varray.h.
4648 (gather_interchange_stats, try_interchange_loops,
4649 linear_transform_loops): Use VEC instead of VARRAY.
4650 * lambda-mat.c: Don't include varray.h.
4651 * tree-chrec.c: Same.
4652 * lambda-trans.c: Same.
4653 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4654 VEC instead of VARRAY.
4655 * tree-vectorizer.h: Idem.
4656 * tree-data-ref.c (dump_data_references,
4657 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4658 initialize_data_dependence_relation, finalize_ddr_dependent,
4659 compute_all_dependences, find_data_references_in_loop,
4660 compute_data_dependences_for_loop, analyze_all_data_dependences,
4661 free_dependence_relation, free_dependence_relations,
4662 free_data_refs): Idem.
4663 * tree-data-ref.h (data_reference_p, subscript_p): New.
4664 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4665 VEC instead of VARRAY.
4666 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4667 (find_data_references_in_loop, compute_data_dependences_for_loop,
4668 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4669 dump_data_dependence_relations, free_dependence_relations,
4670 free_data_refs): Adjust declaration.
4671 (lambda_transform_legal_p): Move declaration here...
4672 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4673 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4674 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4675 vect_analyze_data_refs): Use VEC instead of VARRAY.
4676 * lambda.h (lambda_transform_legal_p): ...from here.
4677 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4678 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4679 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4680 tree-chrec.o): Don't depend on VARRAY_H.
4681
4682 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4683
4684 * rtl.def (Copyright): Update date.
4685 (DEPS_LIST): Change type of the second operand to 'int'.
4686 * target.h (Copyright): Update date.
4687 (struct gcc_target.speculate_insn): Change type of the second parameter
4688 to 'int'.
4689 * lists.c (Copyright): Update date.
4690 (alloc_DEPS_LIST): Change signature. Update reference to the second
4691 operand of the DEPS_LIST.
4692 (copy_DEPS_LIST_list): Update reference to the second operand of the
4693 DEPS_LIST.
4694 * rtl.h (Copyright): Update date.
4695 (alloc_DEPS_LIST): Update signature.
4696 * sched-int.h (Copyright): Update date.
4697 (ds_t): Change typedef to 'int'.
4698 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4699
4700 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4701
4702 * haifa-sched.c (Copyright): Update date.
4703 (try_ready): Change condition to restore non-speculative pattern
4704 of the instruction.
4705 (process_insn_depend_be_in_spec): Code to keep probability of the
4706 speculative dependence non-decreasing.
4707
4708 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4709
4710 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4711 shut up the compiler.
4712
4713 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4714
4715 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4716 to use lib prefix for target.
4717 ($(T)libic_invalidate_array_4-200.a): Likewise.
4718 ($(T)libic_invalidate_array_4a.a): Likewise.
4719
4720 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4721 J"orn Rennecke <joern.rennecke@st.com>
4722
4723 * superh.opt: New file.
4724 * sh.c (boardtype, osruntime): Remove.
4725 * superh.h (SUBTARGET_OPTIONS): Remove.
4726 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4727
4728 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4729 arguments with ^ and/or [].
4730
4731 * config.gcc (sh-*-*): Add quoting to account for quirk of
4732 Solaris /bin/sh.
4733 Replace == with = in enable_incomplete_targets test.
4734
4735 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4736 with MASK_LITTLE_ENDIAN.
4737
4738 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4739 * config/sh/sh.opt: Added to some comments.
4740 * config/sh/superh.h: Removed some chaff.
4741
4742 * config/sh/sh.opt: Add m4-[1234]00* options.
4743 * config/sh/sh.c (sh_handle_option): Likewise.
4744 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4745 (ic_invalidate_array_4-100.o): New rule.
4746 ($(T)libic_invalidate_array_4-100.a): Likewise.
4747 (ic_invalidate_array_4-200.o): Likewise.
4748 ($(T)libic_invalidate_array_4-200.a): Likewise.
4749 (ic_invalidate_array_4a.o): Likewise.
4750 ($(T)libic_invalidate_array_4a.a): Likewise.
4751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4752 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4753 m4-200*, and m4a*.
4754 * config/sh/crt1.asm: Merged in profiling code.
4755 * config/sh/superh.h (STARTFILE_SPEC): Override.
4756 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4757 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4758 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4759
4760 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4761 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4762 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4763
4764 * sh.opt (mpretend-cmove): New option.
4765 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4766 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4767 (movsicc): Add TARGET_PRETEND_CMOVE code.
4768
4769 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4770
4771 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4772 s390_class_max_nregs): New function prototypes.
4773 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4774 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4775 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4776 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4777
4778 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4779
4780 * dwarf2out.c (add_location_or_const_value_attribute): Call
4781 tree_add_const_value_attribute if nothing else works.
4782 (reference_to_unused): New.
4783 (rtl_for_decl_init): Use reference_to_unused to decide whether
4784 to output an initializer.
4785
4786 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4787
4788 PR target/26459
4789 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4790 peephole removing spe frob_di_df_2.
4791
4792 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4793
4794 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4795 (subscript_dependence_tester_1): Declared.
4796 (print_dir_vectors, print_dist_vectors): New.
4797 (debug_data_dependence_relation): New.
4798 (dump_data_dependence_relation): Print more details.
4799 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4800 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4801 (save_dist_v, save_dir_v, add_outer_distances,
4802 build_classic_dist_vector_1): New.
4803 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4804 Don't test for lambda_vector_lexico_pos.
4805 (same_access_functions, add_multivariate_self_dist,
4806 add_other_self_distances, dir_from_dist): New.
4807 (build_classic_dir_vector): Replace implementation almost identical to
4808 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4809 dir_from_dist.
4810 (subscript_dependence_tester_1): New.
4811 (subscript_dependence_tester): Handle the lexicographically negative
4812 distance vectors by recomputing the dependence relation.
4813 (compute_affine_dependence): Remove parameter loop_nest_depth.
4814 (compute_self_dependence): Don't call compute_subscript_distance.
4815 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4816 Add a parameter for the loop_nest.
4817 (find_loop_nest_1, find_loop_nest): New.
4818 (compute_data_dependences_for_loop): Compute the loop nest, and give
4819 up if the nest is not well formed.
4820 * tree-data-ref.h (loop_p): New.
4821 (struct data_dependence_relation): Replace size_vect field with
4822 loop_nest, a vec of loops.
4823 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4824 (DDR_LOOP_NEST): New.
4825 (print_dir_vectors, print_dist_vectors,
4826 debug_data_dependence_relation): Declared.
4827 (index_in_loop_nest): New.
4828 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4829 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4830 distance.
4831
4832 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4833
4834 * simplify-rtx.c (simplify_relational_operation): Call
4835 simplify_relational_operation_1 even if mode is VOIDmode.
4836
4837 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4838
4839 PR tree-optimization/26804
4840 * tree.h (DECL_CALL_CLOBBERED): New macro.
4841 (tree_decl_common): Add call_clobbered_flag.
4842 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4843 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4844 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4845 (mark_non_addressable): Ditto.
4846 * tree-ssa.c (verify_call_clobbered): New function.
4847 (verify_alias_info): Use it.
4848 * tree-pass.h (pass_reset_cc_flags): New prototype.
4849 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4850 (reset_cc_flags): New function.
4851 * passes.c (init_optimization_passes): Call reset_cc_flags after
4852 initializing referenced_vars.
4853
4854 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4855 Roger Sayle <roger@eyesopen.com>
4856
4857 PR middle-end/26717
4858 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4859 to 1.0 for non-real operands. Implement A / A optimization for
4860 complex operands.
4861
4862 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4863
4864 * config/i386/i386.c (size_cost): Correct the comment for
4865 cost of storing fp registers.
4866 (i386_cost): Likewise.
4867 (i486_cost): Likewise.
4868 (pentium_cost): Likewise.
4869 (pentiumpro_cost): Likewise.
4870 (k6_cost): Likewise.
4871 (athlon_cost): Likewise.
4872 (k8_cost): Likewise.
4873 (pentium4_cost): Likewise.
4874 (nocona_cost): Likewise.
4875 (generic64_cost): Likewise.
4876 (generic32_cost): Likewise.
4877
4878 2006-03-24 Denis Chertykov <denisc@overta.ru>
4879
4880 * config/avr/avr-protos.h (extra_constraint): Delete.
4881 (extra_constraint_Q): New declaration.
4882 * config/avr/constraints.md: New file.
4883 * config/avr/avr.md: Include it.
4884 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4885 (TMP_REGNO, ZERO_REGNO): Likewise.
4886 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4887 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4888 (extra_constraint): Delete.
4889 (extra_constraint_Q): Test for memory constraint 'Q'.
4890 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4891 (REG_CLASS_FROM_LETTER): Delete.
4892 (CONST_OK_FOR_LETTER_P): Delete.
4893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4894 (EXTRA_CONSTRAINT): Delete.
4895 (TMP_REGNO): Delete.
4896 (ZERO_REGNO): Delete.
4897
4898 2006-03-24 Jeff Law <law@redhat.com>
4899
4900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4901 directly. Call mark_new_vars_to_rename slightly earlier.
4902
4903 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4904
4905 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4906 (is_cxx): Likewise.
4907 (gen_compile_unit_die): Use new language types for Objective-C and
4908 Objective-C++.
4909 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4910 DW_LANG_C_plus_plus.
4911
4912 PR 26793
4913 * config/t-darwin (crt3.o): Work around bug 26840.
4914 * config/darwin-crt3.c: Rewrite.
4915 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4916
4917 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4918
4919 * doc/invoke.texi: Document -femit-class-debug-always
4920 * common.opt: Add -femit-class-debug-always.
4921
4922 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4923
4924 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4925 index and base register.
4926 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4927 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4928 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4929 REGNO_OK_FOR_INDEX_P.
4930 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4931 ADDR_REGNO_P.
4932 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4933 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4934 REG_OK_FOR_BASE_P): Definitions removed.
4935
4936 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4937
4938 PR middle-end/26611
4939 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4940 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4941 set yet or weren't marked as local yet.
4942
4943 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4944
4945 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4946 the compiler.
4947
4948 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4949
4950 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4951 (rs6000_legitimate_small_data_p): Delete.
4952 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4953 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4954 and make static. Add forward declaration. Update uses.
4955 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4956 of offsettable_memref_p.
4957 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4958 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4959
4960 2006-03-24 Jeff Law <law@redhat.com>
4961
4962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4963 around bug in immediate-use iterator.
4964
4965 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4966
4967 PR target/26607
4968 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4969 or __LITTLE_ENDIAN__.
4970
4971 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4972
4973 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4974 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4975 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4976 * config/sh/sh.opt (mdiv=): Amend description.
4977 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4978 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4979 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4980 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4981 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4982 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4983 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4984 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4985 TARGET_DIVIDE_CALL_FP.
4986
4987 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4988
4989 * haifa-sched.c (choose_ready): Fix type of the local variable.
4990 Move local variables. Add comment.
4991 (check_reg_live): Change signature. Make callable from debugger.
4992 * sched-int.h (check_reg_live): Update signature.
4993 * sched-ebb.c (check_reg_live): Update parameters.
4994 * sched-rgn.c (check_reg_live): Ditto.
4995 (region_head_or_leaf_p): Check pointer before dereferencing.
4996 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4997 before reload on optimization levels below 1.
4998
4999 2006-03-23 Richard Henderson <rth@redhat.com>
5000
5001 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5002 tls symbols.
5003
5004 PR target/26347
5005 * config/alpha/predicates.md (local_symbolic_operand): Reject
5006 weak symbols.
5007
5008 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5009
5010 PR tree-opt/26795
5011 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5012 expressions which have overflowed constants.
5013
5014 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5015
5016 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5017
5018 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5019
5020 * cfgloopmanip.c (create_loop_notes): Removed.
5021 * final.c (final_scan_insn): Do not handle loop notes.
5022 * jump.c (squeeze_notes): Ditto.
5023 * cfglayout.c (skip_insns_after_block,
5024 duplicate_insn_chain): Ditto.
5025 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5026 create_loop_notes.
5027 * cfgloop.h (create_loop_notes): Declaration removed.
5028
5029 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5030
5031 * varasm.c (output_constant_pool): Restore fnname and fndecl
5032 arguments.
5033 (assemble_start_function): Adjust call accordingly.
5034 (assemble_end_function): Likewise.
5035
5036 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5037
5038 PR mudflap/26789
5039 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5040
5041 PR mudflap/26790
5042 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5043
5044 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5045
5046 PR driver/22600
5047 * system.h (ICE_EXIT_CODE): New macro.
5048 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5049 (diagnostic_action_after_output): Likewise.
5050 * gcc.c (fatal_ice): New function.
5051 (execute): Use it instead of fatal.
5052 (fancy_abort): Likewise.
5053 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5054
5055 2006-03-22 Jeff Law <law@redhat.com>
5056
5057 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5058 iv_analyze_result returning false.
5059
5060 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5061
5062 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5063
5064 2006-03-22 Richard Henderson <rth@redhat.com>
5065
5066 PR middle-end/26084
5067 * except.c (duplicate_eh_regions_0): New.
5068 (duplicate_eh_region_1): Duplicate the children of the node as
5069 well as the node itself. Link them up properly.
5070 (duplicate_eh_region_2): Merge into ...
5071 (duplicate_eh_regions): ... here. Take copy_region argument, and
5072 copy only a sub-tree if asked. Simplify copying and fixup.
5073 (eh_region_outer_p): New.
5074 * except.h (duplicate_eh_regions): Update decl.
5075 (eh_region_outer_p): Declare.
5076 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5077 (lower_omp_master): Likewise.
5078 (lower_omp_ordered): Likewise.
5079 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5080 (move_stmt_r): Use it to remap labels. Handle recursion vs
5081 remap_decls_p properly.
5082 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5083 (find_outermost_region_in_block): New.
5084 (new_label_mapper): New.
5085 (move_sese_region_to_fn): Copy eh information to the new function
5086 properly.
5087 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5088 argument.
5089 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5090 number.
5091
5092 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5093
5094 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5095 into shared libraries.
5096
5097 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5098
5099 * doc/md.texi: Refer to i386/constraints.md instead of
5100 i386/predicates.md.
5101 * config/i386/constraints.md: New file, extracted from...
5102 * config/i386/predicates.md: ...here.
5103 * config/i386/i386.md: Include constraints.md.
5104
5105 2006-03-21 Jason Merrill <jason@redhat.com>
5106
5107 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5108
5109 PR middle-end/20297
5110 * expr.c (init_block_move_fn): Force default visibility.
5111 (init_block_clear_fn): Likewise.
5112 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5113 * targhooks.c (default_external_stack_protect_fail): Likewise.
5114
5115 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5116
5117 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5118 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5119 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5120 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5121 (loadgp): Use mips_current_loadgp_style.
5122 (loadgp_noshared): New pattern.
5123 (sibcall_internal): Use MIPS_CALL.
5124 (sibcall_value_internal): Likewise.
5125 (sibcall_value_multiple_internal): Likewise.
5126 (call_internal): Likewise.
5127 (call_value_internal): Likewise.
5128 (call_value_multiple_internal): Likewise.
5129 (call_split): Use MIPS_CALL and add an 'S' constraint.
5130 (call_value_split): Likewise.
5131 (call_value_multiple_split): Likewise.
5132 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5133 (-mshared): New option.
5134 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5135 (mips_current_loadgp_style): Declare.
5136 * config/mips/mips.c (mips_classify_symbol): Avoid using
5137 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5138 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5139 TARGET_ABSOLUTE_ABICALLS.
5140 (override_options): Adjust comments. Improve the warning that is
5141 issued when -mabicalls and -G are used together.
5142 (mips_file_start): Remove comment.
5143 (mips_current_loadgp_style): New function.
5144 (mips_gnu_local_gp): New variable.
5145 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5146 LOADGP_ABSOLUTE.
5147 (mips_output_function_prologue): Use mips_current_laodgp_style.
5148 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5149 the cprestore instruction.
5150 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5151 live for TARGET_ABSOLUTE_ABICALLS.
5152 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5153 (ASM_SPEC): Pass down -mshared and -mno-shared.
5154 (MIPS_CALL): New macro.
5155 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5156 definition.
5157 * doc/invoke.texi (-mabicalls): Update documentation.
5158 (-mshared): Document.
5159
5160 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5161
5162 * config/ia64/unwind-hpux.c: New file.
5163 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5164
5165 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5166
5167 PR libgomp/26384
5168 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5169
5170 2006-03-21 Jeff Law <law@redhat.com>
5171
5172 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5173 type conversions of a VR_VARYING source to a wider type.
5174
5175 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5176
5177 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5178 tm_file on Solaris 10 and later.
5179 (sparc64-*-solaris2*): Likewise.
5180 (sparc-*-solaris2*): Likewise.
5181 * config/sol26.h: Rename to config/sol2-6.h.
5182 * config/sol2-10.h: New file.
5183
5184 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5185
5186 PR tree-opt/26781
5187 * tree-ssa-pre.c (create_component_ref_by_pieces):
5188 Handle STRING_CST.
5189
5190 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5191
5192 PR c++/26690
5193 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5194 return it immediately.
5195
5196 2006-03-21 Michael Matz <matz@suse.de>
5197
5198 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5199 New members.
5200 (remove_arc, add_arc): Update num_out_arcs member.
5201 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5202 of out arcs.
5203 (cache_presence): New function.
5204 (compare_states_for_equiv): New function.
5205 (state_is_differed): Don't take number of outargs, adjust callers.
5206 Use new invariant for speeding up.
5207 (init_equiv_class): Create initial classes based on sorted
5208 input.
5209 (partition_equiv_class): Don't track out_arcs_num.
5210 (evaluate_equiv_classes): Call cache_presence on all states and
5211 sort them.
5212
5213 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5214
5215 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5216 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5217 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5218 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5219 callers changed.
5220 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5221 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5222 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5223 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5224 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5225 macros.
5226 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5227 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5228 (REGNO_REG_CLASS): ARGP is in PREGS.
5229 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5230 IREGS.
5231 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5232 to deal with those addresses.
5233 * addresses.h: New file.
5234 * caller-save.c: Include "addresses.h".
5235 (init_caller_save): Use new base_reg_class function.
5236 * rtl-factoring.c: Include "addresses.h".
5237 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5238 * recog.c: Include "addresses.h".
5239 (preprocess_constraints): Use new base_reg_class function.
5240 * regrename.c: Include "addresses.h".
5241 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5242 functions. Keep track of a new var INDEX_CODE to compute valid
5243 classes.
5244 (replace_oldest_value_addr): Likewise.
5245 (replace_oldest_value_mem): Use base_reg_class.
5246 * reload.c: Include "addresses.h".
5247 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5248 (find_reloads): Use new base_reg_class function.
5249 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5250 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5251 all callers and prototype changed.
5252 * reload1.c: Include "addresses.h".
5253 (maybe_fix_stack_asms): Use base_reg_class.
5254 * regclass.c: Include "addresses.h".
5255 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5256 (init_reg_autoinc): Use new base_reg_class function.
5257 (record_reg_classes): Likewise.
5258 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5259 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5260 Use new args to compute necessary class.
5261
5262 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5263 regrename.o, rtl-factoring.o): Update dependencies.
5264 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5265 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5266 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5267 REG_OK_FOR_INDEX_P): Delete documentation.
5268
5269 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5270
5271 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5272 from V7 to V9 for Solaris 7 and above.
5273
5274 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5275
5276 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5277 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5278 argument pointers may not alias any other storage.
5279 * common.opt: Define option -fargument-noalias-anything.
5280 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5281 alias semantics is specified by flag_argument_noalias > 2.
5282
5283 2006-03-20 Jeff Law <law@redhat.com>
5284
5285 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5286 (pass_phi_only_cprop): Declare.
5287 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5288 with phi_only_cprop
5289 * tree-ssa-dom.c (degenerate_phi_result): New function.
5290 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5291 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5292 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5293 (eliminate_degenerate_phis): Likewise.
5294 (pass_phi_only_cprop): New pass descriptor.
5295 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5296 support code. Callers updated.
5297 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5298 (store_copy_prop): Likewise.
5299 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5300
5301 2006-03-20 Jason Merrill <jason@redhat.com>
5302
5303 PR c++/21764
5304 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5305 (push_visibility, pop_visibility): Likewise.
5306 * c-pragma.h: Declare them.
5307
5308 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5309
5310 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5311
5312 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5313 parameter and use get_ebb_head_tail.
5314 (sh_md_init_global): Adjust uses of find_regmode_weight.
5315
5316 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5317
5318 * function.h (struct function) <x_tail_recursion_reentry>:
5319 Rename to x_stack_check_probe_note.
5320 (tail_recursion_reentry): Rename to stack_check_probe_note.
5321 * function.c: Replace tail_recursion_reentry with
5322 stack_check_probe_note everywhere.
5323 (expand_function_start): Only emit a note for
5324 stack_check_probe_note with -fstack-protect.
5325 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5326
5327 * emit-rtl.c (remove_unnecessary_notes): Remove.
5328 (pass_remove_unnecessary_notes): Remove.
5329 * rtl.h (remove_unnecessary_notes): Remove prototype.
5330 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5331 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5332 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5333
5334 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5335
5336 PR tree-opt/26629
5337 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5338 (valid_in_set): Handle ARRAY_REF.
5339 Change "if min_variant or VH" to asserts.
5340 (create_component_ref_by_pieces): Handle ARRAY_REF.
5341 (create_expression_by_pieces): Likewise.
5342 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5343
5344 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5345
5346 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5347 is operand of switch, not str[0].
5348
5349 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5350
5351 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5352 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5353
5354 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5355
5356 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5357 end of insn_extra_address_constraint declaration.
5358
5359 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5360
5361 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5362 (no-sum-in-toc): Same.
5363 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5364 variables.
5365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5366 NO_FP_IN_TOC for -fPIC instead of mask.
5367
5368 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5369 (BOOT_LDFLAGS): Delete.
5370 (LDFLAGS): Delete.
5371 * config/rs6000/t-aix52: Same.
5372
5373 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5374 (stmsi[345678]_power): New.
5375
5376 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5377
5378 * config/ia64/ia64.opt: Add empty line to end of file.
5379
5380 2006-03-17 Richard Guenther <rguenther@suse.de>
5381
5382 PR middle-end/26721
5383 * builtins.c (get_pointer_alignment): For component style references
5384 adjust alignment to the component type alignment. Make sure
5385 to adjust alignment for component access of constants.
5386
5387 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5388
5389 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5390 unconditional jump.
5391
5392 2006-03-17 Paul Brook <paul@codesourcery.com>
5393
5394 * doc/install.texi: Docuemnt --with-mode.
5395 * config.gcc: Add --with-mode for arm*-*-*.
5396 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5397
5398 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5399
5400 * sh.c (max_labelno_before_reorg): New variable.
5401 (sh_reorg): Initialize it.
5402 (find_barrier): Check max_labelno_before_reorg before using
5403 label_to_alignment. Take length of explicit alignment insns
5404 into account. When seeing a UNSPECV_CONST_END, return it.
5405
5406 * sh.c (fixup_mova): Set mode of affected label to QImode.
5407 (untangle_mova): New function.
5408 (find_barrier): Use it. Check mode of label before decrementing
5409 num_mova.
5410 (sh_reorg): Likewise.
5411 Set mode of all insns back to VOIDmode.
5412
5413 * sh.c (MOVA_LABELREF): New macro.
5414 (mova_p, fixup_mova, sh_reorg): Use it.
5415 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5416 ADDR_DIFF_VEC matches mova.
5417
5418 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5419
5420 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5421 with ATTRIBUTE_UNUSED.
5422
5423 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5424
5425 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5426 pointer, instead of assuming it is possible to derive the
5427 correct args size from a call insn.
5428
5429 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5430
5431 * rtl.h (CONST_INT_P): Define.
5432 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5433 instead of GET_CODE(x) == CONST_INT.
5434 (vax_rtx_costs): Likewise.
5435 (vax_output_int_move): Likewise.
5436 (vax_output_int_add): Likewise.
5437 (legitimate_constant_address_p): Likewise.
5438 (index_term_p): Likewise.
5439 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5440 * config/vax/vax.md (and<mode>3): Likewise.
5441 (ashrsi3): Likewise.
5442 (extv): Likewise.
5443 (movstricthi): Likewise.
5444 (movstrictqi): Likewise.
5445 (rotrsi3): Likewise.
5446 (five unnamed insns): Likewise.
5447
5448 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5449
5450 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5451 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5452 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5453 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5454 Pass to ASM_OUTPUT_DWARF_OFFSET.
5455 * dwarf2out.c (debug_frame_section): New.
5456 (output_call_frame_info): Use debug_frame_section. Pass it to
5457 dw2_asm_output_offset.
5458 (output_die): Pass appropriate section to dw2_asm_output_offset.
5459 (output_compilation_unit_header): Likewise.
5460 (output_pubnames): Likewise.
5461 (output_aranges): Likewise.
5462 (enum dw_val_class): Break dw_val_class_lbl_offset into
5463 dw_val_class_lineptr and dw_val_class_macptr.
5464 (add_AT_lbl_offset): Delete.
5465 (add_AT_lineptr): New.
5466 (add_AT_macptr): New.
5467 (AT_lbl): Expect a lineptr or macptr.
5468 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5469 (attr_checksum): Likewise.
5470 (same_dw_val_p): Likewise.
5471 (size_of_die): Likewise.
5472 (value_format): Likewise.
5473 (output_die): Likewise.
5474 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5475 add_AT_lbl_offset.
5476 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5477 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5478 * config/darwin-protos.h (darwin_file_start): New.
5479 (darwin_asm_output_dwarf_offset): New.
5480 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5481 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5482 darwin_file_start.
5483 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5484 if not EH section; simplify.
5485 (darwin_file_start): New.
5486 (darwin_asm_output_dwarf_offset): New.
5487 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5488 mark as 'debug'.
5489 (DEBUG_INFO_SECTION): Likewise.
5490 (DEBUG_ABBREV_SECTION): Likewise.
5491 (DEBUG_ARANGES_SECTION): Likewise.
5492 (DEBUG_MACINFO_SECTION): Likewise.
5493 (DEBUG_LINE_SECTION): Likewise.
5494 (DEBUG_LOC_SECTION): Likewise.
5495 (DEBUG_PUBNAMES_SECTION): Likewise.
5496 (DEBUG_STR_SECTION): Likewise.
5497 (DEBUG_RANGES_SECTION): Likewise.
5498 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5499 (ASM_OUTPUT_DWARF_OFFSET): New.
5500
5501 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5502
5503 * config.gcc (tm_defines): Always add to previous value rather
5504 than replacing it.
5505
5506 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5507
5508 * config/mips/predicates.md (splittable_const_int_operand): New,
5509 split from move_operand.
5510 (splittable_symbolic_operand): New.
5511 (move_operand): Add commentary. Use splittable_const_int_operand.
5512 Inline mips_atomic_symbolic_constant_p.
5513 * config/mips/mips.md: Add combine splitters for handling moves
5514 of splittable_const_int_operands and splittable_symbolic_operands.
5515 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5516 (mips_split_symbol): Declare.
5517 (mips_move_integer): Declare.
5518 * config/mips/mips.c (mips_split_p): Make global.
5519 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5520 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5521 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5522 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5523 (mips_offset_within_object_p): Handle block symbols.
5524 (mips_atomic_symbolic_constant_p): Delete.
5525 (mips_cannot_force_const_mem): Return false for constants that
5526 mips_legitimize_move can handle.
5527 (mips_use_blocks_for_constant_p): New function.
5528 (mips_split_symbol): Make global.
5529 (mips_move_integer): Likewise. Add a temporary register argument.
5530 (mips_legitimize_const_move): Use splittable_const_int_operand and
5531 splittable_symbolic_operand.
5532 (mips_use_anchors_for_symbol_p): New function.
5533 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5534 (mips_split_p): Declare.
5535
5536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5537
5538 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5539 (mips*-*-linux*): Likewise.
5540
5541 2006-03-16 Roger Sayle <roger@eyesopen.com>
5542 Daniel Speyer <dspeyer@wam.umd.edu>
5543
5544 PR middle-end/18259
5545 * tree-dump.c (dump_real): New function.
5546 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5547 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5548 (tree-dump.o): Add $(REAL_H) to the dependencies.
5549
5550 2006-03-16 Roger Sayle <roger@eyesopen.com>
5551
5552 PR middle-end/21781
5553 * real.c (real_from_string): If the mantissa is zero, don't bother
5554 parsing the exponent as the result should always be zero.
5555
5556 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5557
5558 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5559
5560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5561
5562 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5563 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5564 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5565 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5566 ia64_sched_finish_global): New static functions to implement
5567 hooks from gcc_target.sched.
5568 (spec_check_no, max_uid, pending_data_specs): New static variables.
5569 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5570 ia64_spec_check_src_p): New static functions.
5571 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5572 (TARGET_SCHED_ADJUST_COST): Removed.
5573 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5574 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5575 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5576 TARGET_SCHED_GEN_CHECK,
5577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5578 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5579 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5580 Fixed to handle speculation checks.
5581 (rtx_needs_barrier): Fixed to handle speculative loads and
5582 their checks.
5583 (ia64_variable_issue): Added code to count speculative loads and their
5584 checks.
5585 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5586 speculative loads.
5587 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5588 New enumerations.
5589 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5590 New constants.
5591 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5592 (ia64_reorg): Reset stops_p to NULL after it is freed.
5593 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5594 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5595 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5596 chk_a.
5597 (data_speculative, control_speculative, check_load): New attributes.
5598 (mov<mode>_advanced, mov<mode>_speculative,
5599 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5600 zero_extend<mode>di2_speculative,
5601 zero_extend<mode>di2_speculative_advanced): New patterns for
5602 data and control speculative loads.
5603 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5604 check loads.
5605 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5606 New pattern for data and control speculation checks.
5607 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5608 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5609 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5610 Auxiliary definitions for the patterns.
5611 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5612 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5613 constraints.
5614 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5615 for speculation.
5616 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5617 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5618 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5619 New resource constraints.
5620 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5621 for speculation.
5622 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5623 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5624 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5625 msched-in-control-spec, msched-ldc, msched-control-ldc,
5626 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5627 msched-prefer-non-control-spec-insns,
5628 msched-count-spec-in-critical-path): New flags to tune speculative
5629 scheduling.
5630 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5631 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5632 msched-in-control-spec, msched-ldc, msched-control-ldc,
5633 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5634 msched-prefer-non-control-spec-insns,
5635 msched-count-spec-in-critical-path): Document new flags.
5636
5637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5638
5639 * target.h (struct spec_info_def): New opaque declaration.
5640 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5641 speculate_insn, needs_block_p, gen_check,
5642 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5643 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5644 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5645 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5646 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5647 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5648 gcc_target.sched.
5649 (TARGET_SCHED): Use new macros.
5650 * rtl.h (copy_DEPS_LIST_list): New prototype.
5651 * sched-int.h (struct sched_info): Change signature of new_ready field,
5652 adjust all initializations. New fields: add_remove_insn,
5653 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5654 region_head_or_leaf_p.
5655 (struct spec_info_def): New structure declaration.
5656 (spec_info_t): New typedef.
5657 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5658 recovery_block, orig_pat.
5659 (glat_start, glat_end): New variables declaraions.
5660 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5661 New access macros.
5662 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5663 DETACH_LIFE_INFO, USE_GLAT.
5664 (enum SPEC_SCHED_FLAGS): New enumeration.
5665 (NOTE_NOTE_BB_P): New macro.
5666 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5667 attach_life_info, debug_spec_status, check_reg_live): New functions.
5668 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5669 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5670 sched-ebb.c
5671 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5672 * ddg.c (get_block_head_tail): Adjust all uses.
5673 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5674 (sms_sched_info): Initialize new fields.
5675 (contributes_to_priority): Removed.
5676 * haifa-sched.c (params.h): New include.
5677 (get_block_head_tail): Adjust all uses.
5678 (ISSUE_POINTS): New macro.
5679 (glat_start, glat_end): New global variables.
5680 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5681 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5682 old_last_basic_block, before_recovery, current_sched_info_var,
5683 rgn_n_insns, luid): New static variables.
5684 (insn_cost1): New function. Move logic from insn_cost to here.
5685 (find_insn_reg_weight1): New function. Move logic from
5686 find_insn_reg_weight to here.
5687 (reemit_notes, move_insn, max_issue): Change signature.
5688 (move_insn1): Removed.
5689 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5690 extend_bb): New static functions to support extension of scheduler's
5691 data structures.
5692 (generate_recovery_code, process_insn_depend_be_in_spec,
5693 begin_speculative_block, add_to_speculative_block,
5694 init_before_recovery, create_recovery_block, create_check_block_twin,
5695 fix_recovery_deps): New static functions to support
5696 generation of recovery code.
5697 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5698 restore_bb_notes, move_block_after_check, move_succs): New static
5699 functions to support ebb scheduling.
5700 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5701 functions to support handling of register live information.
5702 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5703 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5704 add_jump_dependencies): New static functions.
5705 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5706 consistancy checking.
5707 (debug_spec_status): New function to call from debugger.
5708 (priority): Added code to handle speculation checks.
5709 (rank_for_schedule): Added code to distinguish speculative instructions.
5710 (schedule_insn): Added code to handle speculation checks.
5711 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5712 Fixed to handle ebbs.
5713 (move_insn): Added code to handle ebb scheduling.
5714 (max_issue): Added code to use ISSUE_POINTS of instructions.
5715 (choose_ready): Added code to choose between speculative and
5716 non-speculative instructions.
5717 (schedule_block): Added code to handle ebb scheduling and scheduling of
5718 speculative instructions.
5719 (sched_init): Initialize new variables.
5720 (sched_finish): Free new variables. Print statistics.
5721 (try_ready): Added code to handle speculative instructions.
5722 * lists.c (copy_DEPS_LIST_list): New function.
5723 * sched-deps.c (extend_dependency_caches): New function. Move logic
5724 from create_dependency_caches to here.
5725 (get_dep_weak, ds_merge): Make global.
5726 * genattr.c (main): Code to output prototype for
5727 dfa_clear_single_insn_cache.
5728 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5729 (output_dfa_clean_insn_cache_func): Code to output
5730 dfa_clear_single_insn_cache function.
5731 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5732 n_insns.
5733 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5734 Removed.
5735 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5736 New static variables.
5737 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5738 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5739 struct sched_info.
5740 (ebb_sched_info): Initialize new fields.
5741 (get_block_head_tail): Adjust all uses.
5742 (compute_jump_reg_dependencies): Fixed to use glat_start.
5743 (schedule_ebb): Code to remove unreachable last block.
5744 (schedule_ebbs): Added code to update register live information.
5745 * sched-rgn.c (region_sched_info): Initialize new fields.
5746 (get_block_head_tail): Adjust all uses.
5747 (last_was_jump): Removed. Adjust users.
5748 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5749 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5750 Implement new hooks.
5751 (check_dead_notes1): New static function.
5752 (struct region): New fields: dont_calc_deps, has_real_ebb.
5753 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5754 (BB_TO_BLOCK): Fixed to handle EBBs.
5755 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5756 (ebb_head): New static variable.
5757 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5758 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5759 new fields.
5760 (compute_dom_prob_ps): New assertion.
5761 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5762 global_live_at_start.
5763 (init_ready_list): New assertions.
5764 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5765 (new_ready): Add support for BEGIN_CONTROL speculation.
5766 (schedule_insns): Fixed code that updates register live information
5767 to handle EBBs.
5768 (schedule_region): Fixed to handle EBBs.
5769 (init_regions): Use extend_regions and check_dead_notes1.
5770 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5771 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5772 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5773 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5774 TARGET_SCHED_GEN_CHECK,
5775 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5776 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5777 * doc/invoke.texi (max-sched-insn-conflict-delay,
5778 sched-spec-prob-cutoff): Document.
5779
5780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5781
5782 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5783 inter_tick, queue_index.
5784 (struct sched_info): Change signature of init_ready_list field.
5785 Adjust all initializations.
5786 (RESOLVED_DEPS): New access macro.
5787 (ready_add): Remove prototype.
5788 (try_ready): Add prototype.
5789 * sched-rgn.c (init_ready_list): Use try_ready.
5790 (schedule_region): Initialize
5791 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5792 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5793 (init_ready_list): Use try_ready.
5794 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5795 * lists.c (remove_list_elem): Remove `static'.
5796 (remove_free_INSN_LIST_elem): New function.
5797 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5798 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5799 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5800 New constants.
5801 (readyp): New variable.
5802 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5803 change_queue_index, resolve_dep): New static functions.
5804 (try_ready): New function. Adjust callers in sched-rgn.c and
5805 sched-ebb.c to use it instead of ready_add.
5806 (clock_var): Move at the begining of file.
5807 (rank_for_schedule): Fix typo.
5808 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5809 (ready_lastpos): Enforce assertion.
5810 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5811 update all callers.
5812 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5813 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5814 (queue_to_ready): Use free_INSN_LIST_list.
5815 (early_queue_to_ready): Fix typo.
5816 (schedule_block): Init readyp. Move init_ready_list call after the
5817 initialization of clock_var. Fix error in rejecting insn by
5818 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5819 that previously corrected INSN_TICKs. Add code for handling
5820 QUEUE_INDEX.
5821 (set_priorities): Fix typo.
5822 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5823 Clarify comment and code that keeps current_sched_info->next_tail
5824 non-null.
5825
5826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5827
5828 * sched-rgn.c (extend_rgns): New static function.
5829 (find_rgns): Use it.
5830 (gather_region_statistics, print_region_statistics): New static
5831 functions.
5832 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5833 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5834
5835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5836 Andrey Belevantsev <abel@ispras.ru>
5837
5838 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5839 * lists.c (unused_deps_list): New variable.
5840 (free_list): Add assertions to verify the proper distinguishing
5841 between INSN_LISTs and DEPS_LISTs.
5842 (find_list_elem, remove_list_elem, remove_list_node): New static
5843 functions.
5844 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5845 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5846 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5847 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5848 an INSN_LIST.
5849 (free_INSN_LIST_node): Likewise.
5850 * modulo-sched.c (current_sched_info): Initialize flags field.
5851 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5852 * rtl.def (DEPS_LIST): Define.
5853 * rtl.h: Declare new functions from lists.c.
5854 * sched-deps.c (spec_dependency_cache): New static variable.
5855 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5856 (add_dependence): Change return type to void. Move the logic to ...
5857 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5858 (delete_all_dependences): Add comment about forward_dependency_cache.
5859 Handle spec_dependency_cache. Handle DEPS_LISTs.
5860 (fixup_sched_groups): Clarify the change of priority of output
5861 and anti dependencies.
5862 (sched_analyze_2): Adjust add_dependence calls to create data
5863 speculative dependence.
5864 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5865 Adjust all callers. Handle DEPS_LISTS.
5866 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5867 presence of speculation.
5868 (init_dependency_caches, free_dependency_caches):
5869 Handle spec_dependency_cache.
5870 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5871 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5872 New static functions.
5873 (add_or_update_back_dep, add_or_update_back_forw_dep,
5874 add_back_forw_dep, delete_back_forw_dep): New functions.
5875 * sched-int.h (ds_t, dw_t): New typedefs.
5876 (struct sched_info): Add new field flags.
5877 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5878 Prototype new sched-deps.c functions.
5879 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5880 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5881 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5882 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5883 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5884 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5885 New constants.
5886 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5887 New enums.
5888 * sched-rgn.c (current_sched_info): Initialize flags field.
5889 (schedule_insns): Initialize current_sched_info before the sched_init
5890 call.
5891 * sched-ebb.c (current_sched_info): Initialize flags field.
5892 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5893 Call add_or_update_back_dep instead of add_dependence.
5894 Create control speculative dependencies.
5895 (schedule_insns): Initialize current_sched_info before the sched_init
5896 call.
5897
5898 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5899
5900 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5901 fs->signal_frame.
5902 (sh_fallback_frame_state): Likewise.
5903
5904 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5905
5906 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5907 Do switch on default_use_cxa_atexit.
5908 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5909 * config/darwin-crt3.o: New.
5910 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5911 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5912 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5913 OS version.
5914 * config/rs6000/t-darwin: Move crt2.o building to here.
5915 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5916 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5917 of __cxa_atexit.
5918
5919 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5920
5921 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5922 from '! xxx' to '!xxx' for coding-style conformance.
5923 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5924 (EXTRA_CONSTRAINT): Likewise.
5925 * config/vax/vax.md (four unnamed insns): Likewise.
5926
5927 2006-03-15 Paul Brook <paul@codesourcery.com>
5928
5929 * config/arm/arm.c (minipool_pad): New.
5930 (add_minipool_forward_ref): Include pool alignment padding in address
5931 calculation.
5932 (push_minipool_fix): Set minipool_pad.
5933 (minipool_pad): Ditto.
5934
5935 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5936
5937 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5938 instead of GET_CODE() == MEM and REG_P() instead of
5939 GET_CODE() == REG.
5940 (print_operand_address): Likewise.
5941 (vax_address_cost): Likewise.
5942 (vax_rtx_costs): Likewise.
5943 (vax_notice_update_cc): Likewise.
5944 (vax_output_int_add): Likewise.
5945 (INDEX_REGISTER_P): Likewise.
5946 (BASE_REGISTER_P): Likewise.
5947 (nonindexed_address_p): Likewise.
5948 (vax_mode_dependent_address_p): Likewise.
5949 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5950 (PRINT_OPERAND): Likewise.
5951 * config/vax/vax.md (ashlsi3): Likewise.
5952 (ashlsi3): Likewise.
5953 (some more unnamed insns): Likewise.
5954
5955 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5956
5957 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5958 iterator-style macro.
5959 (mark_control_dependent_edges_necessary): Update the use of
5960 EXECUTE_IF_CONTROL_DEPENDENT.
5961
5962 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5963
5964 * config/sh/predicates.md (cache_address_operand): Special.
5965 (ua_address_operand): Likewise.
5966
5967 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5968
5969 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5970 loop notes.
5971 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5972
5973 2006-03-15 Andreas Schwab <schwab@suse.de>
5974
5975 * gensupport.c (identify_predicable_attribute): Don't free p_false
5976 when it is still in use.
5977
5978 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5979
5980 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5981 the default setting here.
5982
5983 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5984
5985 * tree-pass.h (pass_cfg): Remove.
5986 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5987 * passes.c (pass_cfg): Don't run it.
5988
5989 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5990
5991 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5992 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5993 VEC(char,heap) *.
5994 (stack_regs_mentioned): Update the uses of
5995 stack_regs_mentioned_data. Don't access the array beyond its
5996 end.
5997 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5998 Don't include gt-reg-stack.h.
5999
6000 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6001 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6002
6003 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6004
6005 PR middle-end/26684
6006 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6007 STACK_REGS.
6008
6009 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6010
6011 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6012
6013 2006-03-14 Richard Guenther <rguenther@suse.de>
6014
6015 PR tree-optimization/26672
6016 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6017 SSA form.
6018
6019 2006-03-14 Richard Guenther <rguenther@suse.de>
6020
6021 PR tree-optimization/26667
6022 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6023 node for the callees. Always allow inlining if it will shrink
6024 the function size.
6025
6026 2006-03-14 Richard Guenther <rguenther@suse.de>
6027
6028 PR middle-end/26659
6029 * builtins.c (get_pointer_alignment): Prefer alignment
6030 information from decls over that from types.
6031
6032 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6033
6034 PR target/26657
6035 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6036
6037 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6038
6039 * config/rs6000/rs6000.opt (mdlmzb): New option.
6040 (msched-prolog, msched-epilog): Use Var not Mask.
6041 * doc/invoke.texi (-mdlmzb): Document.
6042 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6043 MASK_SCHED_PROLOG.
6044 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6045 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6046
6047 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6048
6049 PR rtl-optimization/25739
6050 * bt-load.c (augment_live_range): Free tos pointer.
6051
6052 * gensupport.c (identify_predicable_attribute): Free
6053 p_false pointer.
6054 * gcov.c (create_file_names): Free name pointer.
6055
6056 2006-03-13 Roger Sayle <roger@eyesopen.com>
6057
6058 PR middle-end/26557
6059 * stmt.c (emit_case_nodes): Handle the case where the index is a
6060 CONST_INT, where the comparison mode is specified by the index type.
6061
6062 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6063
6064 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6065 is defined.
6066
6067 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6068
6069 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6070 (*branch_fp_inverted): Likewise.
6071
6072 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6073
6074 PR middle-end/25989
6075 * omp-low.c (expand_omp_for_generic): Mark istart0
6076 and iend0 as addressable.
6077
6078 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6079
6080 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6081
6082 2006-03-13 Jeff Law <law@redhat.com>
6083
6084 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6085 virtual operands are interesting.
6086 (vrp_visit_stmt): Corresponding changes.
6087
6088 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6089
6090 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6091 of RETS.
6092 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6093 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6094 * config/bfin/crti.S: Use it instead of __PIC__.
6095 * config/bfin/crtn.S: Likewise.
6096
6097 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6098 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6099 not if flag_pic.
6100 Lose 'G' modifier for call operand.
6101 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6102 recognize 'G' modifier.
6103
6104 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6105
6106 PR middle-end/18859
6107 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6108 * stmt.c (expand_case): Likewise.
6109
6110 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6111
6112 PR rtl-optimization/26254
6113 * loop-invariant.c (seq_insns_valid_p): New function.
6114 (move_invariant_reg): Only emit new code if it is valid.
6115
6116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6117
6118 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6119 Removed.
6120 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6121 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6122 (commit_one_edge_insertion): Do not look for loop notes.
6123
6124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6125
6126 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6127 flag_test_coverage out of loop.
6128
6129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6130
6131 * final.c (shorten_branches): Remove outdated comment, and turn
6132 the if branch that guards it to continue.
6133
6134 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6135
6136 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6137 * cfgloop.h (struct loop): Remove unused fields.
6138
6139 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6140
6141 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6142 (-dL, -fdump-rtl-loop2): Update the dump file names
6143
6144 * doc/invoke.texi: Update dump file names.
6145
6146 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6147
6148 * predict.c (estimate_probability): Remove.
6149 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6150 * basic-block.h (estimate_probability): Remove prototype.
6151 * passes.c (finish_optimization_passes): Dump branch prediction or
6152 profiling heuristics to the .profile tree dump.
6153 (init_optimization_passes): Unqueue pass_branch_prob.
6154
6155 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6156
6157 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6158
6159 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6160 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6161
6162 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6163
6164 * function.h (frame_offset_overflow): Declare.
6165 * function.c (frame_offset_overflow): New function.
6166 (assign_stack_local_1): Call it to detect that the offset overflows.
6167 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6168
6169 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6170
6171 * config/sh/sh.c: Include alloc-pool.h.
6172 (label_ref_list_pool): New alloc pool.
6173 (label_ref_list_t): New type for lists of labels.
6174 (struct pool_node): Make wend a label_ref_list_t.
6175 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6176 references.
6177 (dump_table): Likewise.
6178 (sh_reorg): Set up the alloc pool before using add_constant and
6179 dump_table, and destroy it when finishing.
6180
6181 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6182
6183 * config/mips/mips.c: Remove redundant comment.
6184
6185 2006-03-10 Jason Merrill <jason@redhat.com>
6186
6187 PR c/26004
6188 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6189 the target was declared 'register'.
6190
6191 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6192
6193 * genpreds.c (write_insn_constraint_len): Change definition of
6194 insn_constraint_len to return size_t to match the declaration.
6195
6196 2006-03-10 DJ Delorie <dj@redhat.com>
6197
6198 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6199 start at zero.
6200 (m32c_expand_insv): Fix test for an AND mask.
6201
6202 2006-03-10 Richard Guenther <rguenther@suse.de>
6203
6204 PR middle-end/26565
6205 * builtins.c (get_pointer_alignment): Handle component
6206 references for field alignment.
6207
6208 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6209
6210 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6211 when building with libgloss.
6212 (sh*elf): Implement --without-fp option.
6213 (sh64-superh-linux*): Don't multilib.
6214
6215 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6216
6217 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6218
6219 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6220
6221 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6222 Set it when one of the replacement functions returned true.
6223 Return TODO_cleanup_cfg if cfgchanged is true.
6224 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6225
6226 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6227
6228 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6229 instead of gen_lowpart.
6230
6231 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6232
6233 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6234 interface.
6235 (mips_output_order_conditional_branch): Declare.
6236 * config/mips/mips.h (MIPS_BRANCH): New macro.
6237 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6238 for the comparison. Use gen_condjump.
6239 (mips_output_conditional_branch): Rework interface to take the
6240 asm templates for a direct branch and the inverse of a direct branch.
6241 (mips_output_order_conditional_branch): New function.
6242 (mips_builtin_branch_and_move): New function.
6243 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6244 branch condition. Use gen_single_cc as the condition for
6245 __builtin_mips_upper_* or __builtin_mips_lower_*.
6246 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6247 Use VOIDmode for the branch condition.
6248 * config/mips/predicates.md (order_operator): New predicate.
6249 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6250 (branch_fp): Rename to...
6251 (*branch_fp): ...this. Remove mode from comparison operator.
6252 Use new mips_output_conditional_branch interface.
6253 (branch_fp_inverted): Rename to...
6254 (*branch_fp_inverted): ...this and update as for *branch_fp.
6255 (*branch_zero<mode>): Rename to...
6256 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6257 Use mips_output_order_conditional_branch. Only accept ordered
6258 comparisons.
6259 (*branch_zero<mode>_inverted): Rename to...
6260 (*branch_order<mode>_inverted): ...this and update as for
6261 *branch_order<mode>.
6262 (*branch_equality<mode>): Accept zero as the second operand to
6263 the equality operator. Use the new mips_output_conditional_branch
6264 interface.
6265 (*branch_equality<mode>_inverted): Likewise.
6266 (condjump): New expander.
6267 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6268 operator.
6269 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6270 (bc1any2t, bc1any2f): Likewise.
6271 (single_cc): New expander.
6272 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6273
6274 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6275
6276 * doc/md.texi: Update documentation of MIPS constraints.
6277 * config/mips/constraints.md: New file.
6278 * config/mips/mips.md: Include it.
6279 * config/mips/mips.c (mips_char_to_class): Delete.
6280 (override_options): Don't initialize mips_char_to_class.
6281 * config/mips/mips.h (mips_char_to_class): Delete.
6282 (REG_CLASS_FROM_LETTER): Delete.
6283 (CONST_OK_FOR_LETTER_P): Delete.
6284 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6285 (EXTRA_CONSTRAINT_Y): Delete.
6286 (EXTRA_CONSTRAINT_STR): Delete.
6287 (CONSTRAINT_LEN): Delete.
6288 (EXTRA_MEMORY_CONSTRAINT): Delete.
6289
6290 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6291
6292 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6293 original fn's eh regions.
6294
6295 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6296
6297 * fold-const.c (build_range_check): Make sure to use a valid type to
6298 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6299 transformation.
6300
6301 (range_predecessor): New static function.
6302 (range_successor): Likewise.
6303 (merge_ranges): Use them to compute predecessors and successors of
6304 range bounds.
6305
6306 2006-03-09 Roger Sayle <roger@eyesopen.com>
6307
6308 PR middle-end/26561
6309 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6310 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6311
6312 2006-03-08 DJ Delorie <dj@redhat.com>
6313
6314 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6315 (addpsi3): Expand to include memory operands. Remove
6316 reload-specific splits.
6317 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6318 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6319 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6320 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6321 (shift1_qi, shift1_hi, insv): New.
6322 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6323 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6324 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6325 cond_to_int): New.
6326 * config/m32c/m32c-protos.h: Update as needed.
6327 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6328 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6329 Fail for unrecognized R* constraints.
6330 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6331 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6332 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6333 Add Sp constraint.
6334 (m32c_init_libfuncs): New.
6335 (m32c_legitimate_address_p): Add debug wrapper.
6336 (m32c_rtx_costs): New.
6337 (m32c_address_cost): New.
6338 (conversions): Add 'B' prefix.
6339 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6340 operands, or word regnames for QI operands. 'B' prints bit
6341 position.
6342 (m32c_expand_setmemhi): New.
6343 (m32c_expand_movmemhi): New.
6344 (m32c_expand_movstr): New.
6345 (m32c_expand_cmpstr): New.
6346 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6347 (m32c_expand_neg_mulpsi3): Handle non-ints.
6348 (m32c_cmp_flg_0): New.
6349 (m32c_expand_movcc): New.
6350 (m32c_expand_insv): New.
6351 (m32c_scc_pattern): New.
6352 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6353 a0/a1 out of SIregs.
6354 (STORE_FLAG_VALUE): New.
6355 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6356 code macros.
6357 (no_insn): New.
6358 * config/m32c/mov.md: Make constraints more liberal.
6359 (zero_extendqihi2): Optimize r0/r1 case.
6360 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6361 * config/m32c/predicates.md (m32c_any_operand): New.
6362 (m32c_nonimmediate_operand): New.
6363 (m32c_hl_operand): New.
6364 (m32c_r3_operand): New.
6365 (ap_operand): New.
6366 (ma_operand): New.
6367 (memsym_operand): New.
6368 (memimmed_operand): New.
6369 (a_qi_operand): New.
6370 (m32c_eqne_operator): New.
6371 (m32c_1bit8_operand): New.
6372 (m32c_1bit16_operand): New.
6373 (m32c_1mask8_operand): New.
6374 (m32c_1mask16_operand): New.
6375 * config/m32c/blkmov.md: New file.
6376 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6377
6378 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6379
6380 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6381 unsigned to fix signed/unsigned comparison issue in
6382 DWARF2_FRAME_REG_OUT.
6383 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6384 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6385
6386 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6387 of ptr into the ENABLE_CHECKING section.
6388
6389 2006-03-08 Jeff Law <law@redhat.com>
6390
6391 * tree-vrp.c (infer_value_range): Only count pointer uses
6392 and dereferences if -fdelete-null-pointer-checks is enabled.
6393
6394 * tree-vrp.c (find_assert_locations): Infer value ranges for
6395 single use pointers, but do not create ASSERT_EXPRs for them.
6396 When a non-null range is inferred for a pointer, backwards
6397 propagate that range to other equivalent pointers through the
6398 use-def chain.
6399
6400 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6401
6402 PR bootstrap/26500
6403 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6404 language hook targets.
6405 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6406 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6407 if language hook targets were missing.
6408
6409 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6410
6411 * tree-ssa-opfinalize.h: Removed.
6412 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6413 dependency.
6414 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6415 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6416 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6417 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6418 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6419 finalize_ssa_v_must_def_ops): New.
6420
6421 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6422
6423 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6424 block as parameter.
6425
6426 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6427
6428 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6429
6430 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6431 addresses with offsets; reorganize.
6432
6433 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6434 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6435 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6436
6437 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6438
6439 PR target/26588
6440 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6441
6442 2006-03-08 Ben Elliston <bje@au.ibm.com>
6443
6444 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6445
6446 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6447
6448 PR gomp/26238
6449 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6450 expansion.
6451
6452 2006-03-07 Richard Guenther <rguenther@suse.de>
6453
6454 PR tree-optimization/26587
6455 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6456
6457 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6458
6459 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6460
6461 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6462
6463 * hooks.c (hook_bool_mode_rtx_true): New function.
6464 * hooks.h (hook_bool_mode_rtx_true): Declare.
6465 * toplev.c (compile_file): Call output_shared_constant_pool.
6466 * varasm.c (shared_constant_pool): New variable.
6467 (assemble_start_function, assemble_end_function): Remove arguments
6468 from call to output_constant_pool.
6469 (create_constant_pool): New function, split out from...
6470 (init_varasm_status): ...here.
6471 (force_const_mem): Choose between the shared and per-function constant
6472 pools. Set current_function_uses_const_pool when reusing old entries
6473 as well as when creating new ones.
6474 (mark_constant): Ignore data argument.
6475 (mark_constants): Remove pool argument.
6476 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6477 to decide whether the function uses a constant pool.
6478 (output_constant_pool_contents): New function, split out from...
6479 (output_constant_pool): ...here.
6480 (output_shared_constant_pool): New function.
6481 (init_varasm_once): Initialize shared_constant_pool.
6482 * output.h (output_constant_pool): Delete.
6483 (output_shared_constant_pool): Declare.
6484 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6485 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6486
6487 2006-03-06 Nick Clifton <nickc@redhat.com>
6488
6489 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6490 flag_strength_reduce.
6491
6492 2006-03-06 Ben Elliston <bje@au.ibm.com>
6493
6494 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6495 x86_64-*-linux* configurations.
6496
6497 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6498 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6499
6500 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6501
6502 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6503 Remove.
6504 * basic-block.h: Remove the extern for
6505 rediscover_loops_after_threading.
6506
6507 * cfgloop.c (cancel_loop): Make it static.
6508 * cfgloop.h: Remove the prototype for cancel_loop.
6509
6510 * flow.c (recompute_reg_usage): Make it static.
6511 * rtl.h: Remove the prototype for recompute_reg_usage.
6512
6513 * function.c (use_return_register): Make it static.
6514 * function.h: Remove the prototype.
6515
6516 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6517
6518 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6519 Remove.
6520 * recog.h: Remove the prototype for
6521 validate_change_maybe_volatile.
6522
6523 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6524
6525 * rtlanal.c (replace_reg): Remove.
6526 * rtl.h: Remove the prototype for replace_reg.
6527
6528 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6529
6530 * regclass.c (reg_scan_update): Remove.
6531 (reg_scan_mark_refs): Remove the last argument.
6532 * rtl.h: Remove the prototype for reg_scan_update.
6533
6534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6535
6536 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6537 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6538 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6539 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6540 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6541 loop-invariant.c, omp-low.c, opts.c, passes.c,
6542 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6543 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6544 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6545 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6546 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6547 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6548
6549 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6550
6551 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6552 * dwarf2out.h: Remove the prototype for
6553 dwarf2out_add_library_unit_info.
6554
6555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6556
6557 * tree.c (add_var_to_bind_expr): Remove.
6558 * tree.h: Remove the prototype for add_var_to_bind_expr.
6559
6560 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6561
6562 * regclass.c (n_non_fixed_regs): Remove.
6563 (init_reg_sets_1, globalize_reg): Remove all uses of
6564 n_non_fixed_regs.
6565 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6566
6567 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6568
6569 * rtlanal.c (insns_safe_to_move_p): Remove.
6570 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6571
6572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6573
6574 * expmed.c (expand_mult_add): Remove.
6575 * expr.h: Remove the prototype for expand_mult_add.
6576
6577 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6578
6579 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6580 and REG_SAVED_VAL_EXP constants.
6581 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6582 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6583 Handle regs stored by value.
6584 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6585 (execute_cfa_program): Handle DW_CFA_val_offset,
6586 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6587 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6588 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6589 (uw_install_context_1): Handle target regs stored by value.
6590
6591 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6592
6593 * tree-sra.c (tree_sra): Return todoflags;
6594 (generate_one_element): Set TODO_update_smt_usage if needed.
6595 (pass_sra): Remove TODO_update_smt_usage.
6596 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6597 parameter.
6598 (tree_ssa_forward_propagate_single_use_vars): Return
6599 TODO_update_smt_usage if we need to update SMT usage.
6600 (pass_forwprop): Remove TODO_update_smt_usage.
6601
6602 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6603
6604 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6605 (correct_use_link): Remove reference to get_stmt_operands.
6606 (update_stmt_operands): Likewise.
6607 (get_modify_expr_operands): New function factored out of
6608 parse_ssa_operands and get_expr_operands.
6609 Try to create V_MUST_DEFs for LHS by default.
6610 (get_expr_operands) <case MODIFY_EXPR>: Call
6611 get_modify_expr_operands.
6612 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6613 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6614 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6615 get_modify_expr_operands.
6616
6617 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6618
6619 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6620 * tree-flow.h: Remove the prototype for
6621 referenced_var_lookup_if_exists.
6622
6623 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6624
6625 PR rtl-optimization/26345
6626 PR target/19061
6627 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6628
6629 2006-03-03 Roger Sayle <roger@eyesopen.com>
6630
6631 PR tree-optimization/26524
6632 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6633 fold_convert to create a constant of the appropriate type.
6634
6635 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6636
6637 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6638 SYMBOL_REF_IN_BLOCK_P.
6639 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6640 of SYMBOL_FLAG_IN_BLOCK.
6641 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6642 instead of SYMBOL_REF_IN_BLOCK_P.
6643 * explow.c (use_anchored_address): Likewise.
6644 * rtl.c (rtx_size): Likewise.
6645 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6646 instead of SYMBOL_FLAG_IN_BLOCK.
6647 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6648 SYMBOL_REF_IN_BLOCK_P.
6649 (assemble_variable): Likewise.
6650 (output_constant_def_contents): Likewise.
6651 (output_constant_pool): Likewise.
6652 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6653 instead of SYMBOL_FLAG_IN_BLOCK.
6654 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6655 SYMBOL_REF_IN_BLOCK_P.
6656 (SYMBOL_REF_BLOCK): Likewise.
6657 (SYMBOL_REF_OFFSET): Likewise.
6658 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6659 SYMBOL_REF_IN_BLOCK_P.
6660 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6661 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6662 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6663 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6664
6665 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6666
6667 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6668
6669 2006-03-02 Roger Sayle <roger@eyesopen.com>
6670
6671 * simplify-rtx.c (simplify_unary_operation): When simplifying
6672 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6673 that we perform the right shift in the appropriate mode, and
6674 then extend or truncate the result to requested mode.
6675
6676 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6677
6678 * gengtype.c (main): Handle double_int type.
6679 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6680 * double-int.c: New file.
6681 * double-int.h: New file.
6682 * system.h: Include doubleint.h.
6683 * Makefile.in (SYSTEM_H): Include double-int.h.
6684 (double-int.o): Add.
6685
6686 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6687
6688 PR bootstrap/26478
6689 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6690 copying over it.
6691
6692 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6693
6694 * tree-vrp.c (remove_range_assertions): Do not update statements
6695 unnecessarily.
6696
6697 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6698
6699 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6700 cleanup.
6701 * gcse.c (rest_of_handle_gcse): Ditto.
6702 * except.c (gate_handle_eh): Ditto.
6703 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6704 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6705
6706 2006-03-02 Eric Christopher <echristo@apple.com>
6707
6708 * config/i386/i386.c (machopic_output_stub): Add indirection to
6709 jump.
6710
6711 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6712
6713 * loop.c: Removed.
6714
6715 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6716
6717 Sun Niagara specific optimizations.
6718 * config.gcc: Recognize niagara as target.
6719 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6720 (TARGET_CPU_niagara): Define.
6721 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6722 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6723 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6724 (ASM_CPU_SPEC): Likewise.
6725 (PROCESSOR_NIAGARA): New enum entry.
6726 (REGISTER_MOVE_COST): Handle Niagara.
6727 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6728 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6729 (sparc_override_options): Recognize "niagara", set appropriate
6730 default MASK_* values for it, and align functions to 32-bytes
6731 by default just like ULTRASPARC/ULTRASPARC3.
6732 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6733 (sparc64_initialize_trampoline): Likewise.
6734 (sparc_use_sched_lookahead): Use zero for niagara.
6735 (sparc_issue_rate): Use one for niagara.
6736 * config/sparc/niagara.md: New file.
6737 * config/sparc/sparc.md: Include it.
6738 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6739 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6740 when default cpu is niagara.
6741 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6742 (ASM_CPU_SPEC): Likewise.
6743 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6744 when default cpu is niagara.
6745 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6746 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6747 just like v9/ultrasparc/ultrasparc3.
6748 * doc/invoke.texi: Add documentation for "niagara" and improve
6749 existing documentation for ultrasparc variants.
6750
6751 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6752
6753 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6754
6755 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6756
6757 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6758 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6759 and say that only one is needed.
6760 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6761 * target.h (have_switchable_bss_sections): New hook.
6762 * explow.c (use_anchored_address): Check that the symbol is in a block.
6763 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6764 (bss_noswitch_section): New variables.
6765 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6766 (get_noswitch_section): New function.
6767 (get_block_for_section): Allow SECT to be null.
6768 (unlikely_text_section_p): Use SECTION_STYLE.
6769 (bss_initializer_p): New function.
6770 (get_variable_section): Move earlier in file. Take a new argument,
6771 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6772 Return one of the new *_sections in such cases.
6773 (get_block_for_decl): New function, extracting some logic from
6774 use_blocks_for_decl_p.
6775 (change_symbol_section): Remove in favor of...
6776 (change_symbol_block): ...this new function.
6777 (use_blocks_for_decl_p): Remove checks now performed by
6778 get_block_for_decl.
6779 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6780 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6781 (emit_local, emit_bss, emit_common): ...these new functions.
6782 Return true if the alignment was honored.
6783 (emit_tls_common): New function.
6784 (asm_emit_uninitialised): Delete.
6785 (assemble_variable_noswitch): New function, split out from...
6786 (assemble_variable): ...here. Don't make decisions about common
6787 variables here. Globalize all public decls that go into non-common
6788 sections. Check whether SYMBOL_REF_BLOCK is null.
6789 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6790 (output_constant_pool): Likewise.
6791 (init_varasm_once): Initialize the new section variables.
6792 (have_global_bss_p): New function.
6793 (categorize_decl_for_section): Use bss_initializer_p.
6794 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6795 (place_block_symbol): Assert that the symbol must be in a block.
6796 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6797 (TARGET_INITIALIZER): Include it.
6798 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6799 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6800 (SECTION_MACH_DEP): Bump by two.
6801 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6802 (unnamed_section): Mention SECTION_UNNAMED in comment.
6803 (named_section): Likewise SECTION_NAMED.
6804 (noswitch_section_callback): New type.
6805 (noswitch_section): New structure.
6806 (section): Add a noswitch_section alternative.
6807 (SECTION_STYLE): New macro.
6808 (tls_comm_section, comm_section, lcomm_section): Declare.
6809 (bss_noswitch_section, have_global_bss_p): Declare.
6810 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6811 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6812 Override.
6813 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6814 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6815 Override.
6816
6817 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6818
6819 * tree-vrp.c (execute_vrp): Return value.
6820 * regrename.c (rest_of_handle_regrename): Ditto.
6821 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6822 * tree-complex.c (tree_lower_complex): Ditto.
6823 (tree_lower_complex_O0): Ditto.
6824 * tracer.c (rest_of_handle_tracer): Ditto.
6825 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6826 * postreload.c (rest_of_handle_postreload): Ditto.
6827 * tree-tailcall.c (execute_tail_recursion): Ditto.
6828 (execute_tail_calls): Ditto.
6829 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6830 * tree.h (init_function_for_compilation): Ditto.
6831 * ipa-cp.c (ipcp_driver): Ditto.
6832 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6833 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6834 * final.c (compute_alignments): Ditto.
6835 (rest_of_handle_final): Ditto.
6836 (rest_of_handle_shorten_branches): Ditto.
6837 (rest_of_clean_state): Ditto.
6838 * omp-low.c (execute_expand_omp): Ditto.
6839 (execute_lower_omp): Ditto.
6840 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6841 * ipa-reference.c (static_execute): Ditto.
6842 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6843 * reorg.c (rest_of_handle_delay_slots): Ditto.
6844 (rest_of_handle_machine_reorg): Ditto.
6845 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6846 * flow.c (recompute_reg_usage): Ditto.
6847 (rest_of_handle_remove_death_notes): Ditto.
6848 (rest_of_handle_life): Ditto.
6849 (rest_of_handle_flow2): Ditto.
6850 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6851 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6852 (do_ssa_store_ccp): Ditto.
6853 (execute_fold_all_builtins): Ditto.
6854 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6855 * modulo-sched.c (rest_of_handle_sms): Ditto.
6856 * ipa-pure-const.c (static_execute): Ditto.
6857 * cse.c (rest_of_handle_cse): Ditto.
6858 (rest_of_handle_cse2): Ditto.
6859 * web.c (rest_of_handle_web): Ditto.
6860 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6861 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6862 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6863 * tree-nrv.c (tree_nrv): Ditto.
6864 (execute_return_slot_opt): Ditto.
6865 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6866 (create_structure_vars): Ditto.
6867 * loop-init.c (rtl_loop_init): Ditto.
6868 (rtl_loop_done): Ditto.
6869 (rtl_move_loop_invariants): Ditto.
6870 (rtl_unswitch): Ditto.
6871 (rtl_unroll_and_peel_loops): Ditto.
6872 (rtl_doloop): Ditto.
6873 * gimple-low.c (lower_function_body): Ditto.
6874 (mark_used_blocks): Ditto.
6875 * tree-ssa-sink.c (execute_sink_code): Ditto.
6876 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6877 (cgraph_early_inlining): Ditto.
6878 * global.c (rest_of_handle_global_alloc): Ditto.
6879 * jump.c (cleanup_barriers): Ditto.
6880 (purge_line_number_notes): Ditto.
6881 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6882 (rest_of_handle_if_after_reload): Ditto.
6883 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6884 (tree_ssa_loop_im): Ditto.
6885 (tree_ssa_loop_unswitch): Ditto.
6886 (tree_vectorize): Ditto.
6887 (tree_linear_transform): Ditto.
6888 (tree_ssa_loop_ivcanon): Ditto.
6889 (tree_ssa_empty_loop): Ditto.
6890 (tree_ssa_loop_bounds): Ditto.
6891 (tree_complete_unroll): Ditto.
6892 (tree_ssa_loop_prefetch): Ditto.
6893 (tree_ssa_loop_ivopts): Ditto.
6894 (tree_ssa_loop_done): Ditto.
6895 * predict.c (tree_estimate_probability): Ditto.
6896 * recog.c (split_all_insns_noflow): Ditto.
6897 (rest_of_handle_peephole2): Ditto.
6898 (rest_of_handle_split_all_insns): Ditto.
6899 * tree-eh.c (lower_eh_constructs): Ditto.
6900 * regmove.c (rest_of_handle_regmove): Ditto.
6901 (rest_of_handle_stack_adjustments): Ditto.
6902 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6903 * function.c (instantiate_virtual_regs): Ditto.
6904 (init_function_for_compilation): Ditto.
6905 (rest_of_handle_check_leaf_regs): Ditto.
6906 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6907 (rest_of_handle_gcse): Ditto.
6908 * ipa-type-escape.c (type_escape_execute): Ditto.
6909 * alias.c (rest_of_handle_cfg): Ditto.
6910 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6911 * profile.c (rest_of_handle_branch_prob): Ditto.
6912 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6913 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6914 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6915 * tree-dfa.c (find_referenced_vars): Ditto.
6916 * except.c (set_nothrow_function_flags): Ditto.
6917 (convert_to_eh_region_ranges): Ditto.
6918 (rest_of_handle_eh): Ditto.
6919 * emit-rtl.c (unshare_all_rtl): Ditto.
6920 (remove_unnecessary_notes): Ditto.
6921 * except.h (set_nothrow_function_flags): Ditto.
6922 (convert_to_eh_region_ranges): Ditto.
6923 * cfgexpand.c (tree_expand_cfg): Ditto.
6924 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6925 * tree-ssa-pre.c (do_pre): Ditto.
6926 (execute_fre): Ditto.
6927 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6928 (rest_of_handle_jump2): Ditto.
6929 * tree-sra.c (tree_sra): Ditto.
6930 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6931 (execute_mudflap_function_decls): Ditto.
6932 * tree-ssa-copy.c (do_copy_prop): Ditto.
6933 (do_store_copy_prop): Ditto.
6934 * ipa-prop.h (ipcp_driver): Ditto.
6935 * cfglayout.c (insn_locators_initialize): Ditto.
6936 * tree-ssa-forwprop.c
6937 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6938 * cfglayout.h (insn_locators_initialize): Ditto.
6939 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6940 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6941 (execute_late_warn_uninitialized): Ditto.
6942 * rtl.h (cleanup_barriers): Ditto.
6943 (split_all_insns_noflow): Ditto.
6944 (purge_line_number_notes): Ditto.
6945 (unshare_all_rtl): Ditto.
6946 (remove_unnecessary_notes): Ditto.
6947 (recompute_reg_usage): Ditto.
6948 (variable_tracking_main): Ditto.
6949 * integrate.c (emit_initial_value_sets): Ditto.
6950 * integrate.h (emit_initial_value_sets): Ditto.
6951 * tree-optimize.c (execute_free_datastructures): Ditto
6952 (execute_free_cfg_annotations): Ditto.
6953 (execute_fixup_cfg): Ditto.
6954 (execute_cleanup_cfg_pre_ipa): Ditto.
6955 (execute_cleanup_cfg_post_optimizing): Ditto.
6956 (execute_init_datastructures): Ditto.
6957 * tree-object-size.c (compute_object_sizes): Ditto.
6958 * combine.c (rest_of_handle_combine): Ditto.
6959 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6960 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6961 (rest_of_handle_reorder_blocks): Ditto.
6962 (rest_of_handle_partition_blocks): Ditto.
6963 * var-tracking.c (variable_tracking_main): Ditto.
6964 * tree-profile.c (tree_profiling): Ditto.
6965 * tree-vect-generic.c (expand_vector_operations): Ditto.
6966 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6967 * sched-rgn.c (rest_of_handle_sched): Ditto.
6968 (rest_of_handle_sched2): Ditto.
6969 * basic-block.h (free_bb_insn): Ditto.
6970 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6971 * tree-cfg.c (execute_build_cfg): Ditto.
6972 (remove_useless_stmts): Ditto.
6973 (split_critical_edges): Ditto.
6974 (execute_warn_function_return): Ditto.
6975 (execute_warn_function_noreturn): Ditto.
6976 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6977 * cfgrtl.c (free_bb_for_insn): Ditto.
6978 * passes.c (execute_one_pass): Run additional
6979 todos returned by execute function.
6980 * tree-pass.h (struct tree_opt_pass): Make execute
6981 return a value.
6982
6983 2006-03-02 Richard Guenther <rguenther@suse.de>
6984
6985 * tree-ssa-alias.c (find_used_portions): Consider taking
6986 the address as making the variable not write-only.
6987
6988 2006-03-02 Nick Clifton <nickc@redhat.com>
6989
6990 * config.gcc (default_use_cxa_atexit): Extend the description of
6991 this configure variable. Set its default value to "yes" for
6992 Linux, NetBSD and ELF targets on the assumption that they will
6993 use C libraries with the __cxa_atexit function.
6994
6995 2006-03-02 Ben Elliston <bje@au.ibm.com>
6996
6997 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6998 parameter as unused to suppress a build warning.
6999
7000 2006-03-02 Ben Elliston <bje@au.ibm.com>
7001
7002 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7003 config/dfp-bit.c.
7004
7005 2006-03-01 Roger Sayle <roger@eyesopen.com>
7006
7007 PR other/26489
7008 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7009 declared name, the weak reference name, and the typeof name.
7010 (__gthrw): Avoid expanding the declared name suffix.
7011 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7012
7013 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7014
7015 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7016 from DWARF 3.
7017 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7018 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7019 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7020 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7021 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7022 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7023 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7024 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7025 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7026 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7027 (DW_END_default, DW_END_big, DW_END_little): New.
7028 (DW_END_lo_user, DW_END_hi_user): Define.
7029 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7030 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7031 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7032 DW_LANG_D): New.
7033
7034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7035
7036 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7037 Update all users.
7038 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7039 Update all users.
7040 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7041 Update all users.
7042 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7043 Update all users.
7044 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7045 to 'symbol_mem_tag'.
7046 Update all users.
7047 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7048 rename.
7049
7050 2006-03-01 Roger Sayle <roger@eyesopen.com>
7051
7052 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7053
7054 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7055
7056 PR target/25761
7057 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7058 MACHO_DYNAMIC_NO_PIC_P.
7059 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7060
7061 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7062
7063 PR target/26389
7064 * config/darwin-protos.h (darwin_asm_output_anchor):
7065 Declare.
7066 * config/darwin-sections.def (cstring_section):
7067 Add SECTION_MERGE to the flags.
7068 (literal4_section): Likewise.
7069 (literal8_section): Likewise.
7070 (objc_selector_refs_section): Likewise.
7071 (objc_cls_refs_section): Likewise.
7072 * config/darwin.c (darwin_asm_output_anchor): New
7073 function.
7074 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7075
7076 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7077
7078 Fix PR tree-optimization/26443
7079 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7080 to todo and PROP_tmt_usage to properties_destroyed.
7081 * tree-ssa-ccp.c (pass_ccp): Ditto.
7082 (pass_store_ccp): Ditto.
7083 * tree-ssa-dom.c (pass_dominator): Ditto.
7084
7085 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7086
7087 * tree-ssa-operands.c: Cleanup whitespace.
7088 (get_asm_expr_operands): Move before first invocation.
7089 (get_indirect_ref_operands): Likewise.
7090 (get_tmr_operands): Likewise.
7091 (get_call_expr_operands): Likewise.
7092 (append_def): Likewise.
7093 (append_use): Likewise.
7094 (append_v_may_def): Likewise.
7095 (append_v_must_def): Likewise.
7096 (add_call_clobber_ops): Likewise.
7097 (add_call_read_ops): Likewise.
7098 (add_stmt_operand): Likewise.
7099 (add_virtual_operand): Likewise.
7100 (build_ssa_operands): Likewise.
7101
7102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7103
7104 PR middle-end/26022
7105 Revert:
7106 PR middle-end/24437
7107 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7108 with a call expr to ...
7109 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7110
7111 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7112
7113 * tree-vrp.c (extract_range_from_assert): Remove special
7114 handling for types with super-types.
7115
7116 2006-03-01 Ben Elliston <bje@au.ibm.com>
7117
7118 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7119 and powerpc64-*-linux* configurations.
7120 * config/t-dfprules: New file.
7121
7122 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7123 Compile dfp-bit.c from the source directory using -DWIDTH and
7124 $DFP_CFLAGS to control the compilation of that file, rather than
7125 generating width-specific versions in the build directory.
7126 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7127 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7128
7129 2006-02-28 Zack Weinberg <zackw@panix.com>
7130
7131 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7132 continues to work.
7133
7134 2006-02-28 Eric Christopher <echristo@apple.com>
7135
7136 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7137 Set up IN_LIBGCC definition of TARGET_64BIT.
7138 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7139
7140 2006-02-28 Roger Sayle <roger@eyesopen.com>
7141
7142 PR middle-end/14752
7143 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7144 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7145 cases via the construction of "expr != 0".
7146
7147 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7148
7149 * alias.c (alias_invariant, alias_invariant_size): Remove.
7150 (record_base_value): Remove.
7151 (memrefs_conflict_p): Don't look at alias_invariant.
7152 (end_alias_analysis): Don't free it.
7153 * alias.h (record_base_value): Remove prototype.
7154
7155 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7156 Adam Nemet <anemet@caviumnetworks.com>
7157
7158 * rtl.h (truncated_to_mode): Declare it.
7159 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7160 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7161 (RTL_HOOKS_INITIALIZER): Include it.
7162 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7163 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7164 reg_truncated_to_mode.
7165 * rtlanal.c (truncated_to_mode): Define it.
7166 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7167
7168 2006-02-28 Jeff Law <law@redhat.com>
7169
7170 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7171 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7172 the range allowed by TYPE_PRECISION.
7173
7174 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7175
7176 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7177
7178 PR tree-optimization/26419
7179 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7180 values of n.
7181
7182 2006-02-27 Zack Weinberg <zackw@panix.com>
7183
7184 * doc/md.texi: Fix typo in previous change.
7185
7186 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7187
7188 * df.c: Remove.
7189
7190 2006-02-27 Zack Weinberg <zackw@panix.com>
7191
7192 * rtl.def (define_constraint, define_register_constraint)
7193 (define_memory_constraint, define_address_constraint): New MD forms.
7194 * gensupport.c (process_rtx): Put define_constraint etc on the
7195 predicate queue.
7196 * genpreds.c (process_define_predicate): Adjust comment. Validate
7197 the name, and call validate_exp to validate the expression.
7198 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7199 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7200 all callers changed.
7201 (validate_exp, needs_variable, struct constraint_data)
7202 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7203 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7204 (const_dbl_constraints, constraint_max_namelen)
7205 (have_register_constraints, have_memory_constraints)
7206 (have_address_constraints, have_address_constraints)
7207 (have_extra_constraints, have_const_int_constraints)
7208 (have_const_dbl_constraints, mangle, add_constraint)
7209 (process_define_constraint, process_define_register_constraint)
7210 (write_enum_constraint_num, write_lookup_constraint)
7211 (write_insn_constraint_len, write_regclass_for_constraint)
7212 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7213 (write_insn_extra_memory_constraint)
7214 (write_insn_extra_address_constraint)
7215 (write_satisfies_constraint_fns): New.
7216 (write_tm_preds_h): If we have new-style constraint definitions,
7217 prototype the functions generated from them, and define the
7218 old constraint interface (still used by generic code) in terms of
7219 those functions.
7220 (write_insn_preds_c): If we have new-style constraint definitions,
7221 generate all relevant functions from those definitions.
7222 (main): Handle define_constraint etc.
7223 * genoutput.c (struct constraint_data, indep_constraints)
7224 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7225 (mdep_constraint_len): New data structures and functions, defined
7226 #ifdef USE_MD_CONSTRAINTS.
7227 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7228 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7229 use new logic to validate operand constraints against constraint
7230 definitions.
7231 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7232 defined.
7233 * defaults.h: If none of the old-style constraint macros are
7234 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7235 old-style macros; and poison REG_CLASS_FROM_LETTER,
7236 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7237 EXTRA_CONSTRAINT.
7238 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7239 * doc/md.texi: Document new constraint-definition mechanism and the
7240 C interface it provides. Remove references to old mechanism
7241 elsewhere in the document.
7242 (Machine Constraints): Use pathnames relative to gcc directory,
7243 i.e. config/ARCH/FILE. Change i386 section to refer to
7244 config/i386/predicates.md; update that section to match docstrings.
7245 * doc/tm.texi: Move all documentation of the old constraint-
7246 definition macros to their own section, clearly mark as obsolete.
7247
7248 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7249 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7250 definitions.
7251 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7252 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7253 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7254 constraint strings.
7255 (splits and peepholes): Use satisfies_constraint_*.
7256 * config/i386/i386.c (memory_address_length)
7257 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7258
7259 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7260
7261 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7262 scalar operation to be put back into the loop.
7263
7264 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7265
7266 PR other/26208
7267 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7268 (extract_cie_info): Handle S flag in augmentation string.
7269 (execute_cfa_program): If context->signal_frame, execute also
7270 fs->pc == context->ra instructions.
7271 (uw_frame_state_for): If context->signal_frame, don't subtract one
7272 from context->ra to find FDE.
7273 (uw_update_context_1): Set context->signal_frame to
7274 fs->signal_frame.
7275 (_Unwind_GetIPInfo): New function.
7276 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7277 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7278 of _Unwind_GetIP.
7279 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7280 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7281 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7282 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7283 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7284 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7285 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7286 x86_64_fallback_frame_state): Set fs->signal_frame.
7287 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7288 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7289 (frob_update_context): Likewise. Workaround missing S flag in
7290 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7291 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7292 Remove the psw_addr + 1 hack.
7293
7294 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7295
7296 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7297 with aggregates here.
7298 (find_func_aliases): Remove code for &<aggregate> from here.
7299
7300 2006-02-26 Roger Sayle <roger@eyesopen.com>
7301
7302 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7303 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7304 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7305 as (X & C) ne/eq 0.
7306
7307 2006-02-26 Roger Sayle <roger@eyesopen.com>
7308
7309 PR middle-end/19983
7310 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7311
7312 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7313
7314 * opts.c (decode_options): Do not handle flag_strength_reduce.
7315 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7316 and OPT_fstrength_reduce.
7317 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7318 flag_prefetch_loop_arrays for being nonzero.
7319 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7320 no-ops.
7321 (fprefetch-loop-arrays-rtl): Removed.
7322 (flag_prefetch_loop_arrays): Do not specify the value.
7323
7324 * doc/passes.texi: Update documentation of loop optimizer
7325 passes.
7326 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7327 -frerun-loop-opt): Remove.
7328
7329 2006-02-26 Richard Guenther <rguenther@suse.de>
7330
7331 PR tree-optimization/26421
7332 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7333 in function calls that are ADDR_EXPRs as using the whole structure.
7334
7335 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7336
7337 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7338 * tree-pass.h (pass_loop_optimize): Remove.
7339 * passes.c (pass_loop_optimize): Never run it.
7340 * toplev.c (backend_init): Don't call init_loop.
7341 * opts.c (flag_loop_optimize_set): Remove.
7342 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7343 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7344 the old RTL loop optimizer when profiling enabled.
7345 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7346 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7347 pre-headers for the sake of the old RTL loop optimizer.
7348 * Makefile.in: Remove all references to loop.o.
7349
7350 * doc/invoke.texi: Remove all references to -floop-optimize
7351 and -frerun-loop-opt.
7352
7353 2006-02-26 Zack Weinberg <zackw@panix.com>
7354
7355 * doc/md.texi (Machine Constraints): Refer to all files with paths
7356 relative to gcc directory (i.e. config/CPU/file). Add missing
7357 @table @code ... @end table to M32C subsection.
7358
7359 2006-02-26 Roger Sayle <roger@eyesopen.com>
7360
7361 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7362 (X & 1) == 0.
7363 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7364
7365 2006-02-26 Roger Sayle <roger@eyesopen.com>
7366 James A. Morrison <phython@gcc.gnu.org>
7367
7368 PR middle-end/21137
7369 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7370 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7371 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7372 signedness of the shift operation.
7373
7374 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7375
7376 PR tree-optimization/26359
7377 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7378
7379 2006-02-25 Roger Sayle <roger@eyesopen.com>
7380
7381 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7382 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7383 as X == 0, and some symmetry related transformations.
7384 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7385
7386 2006-02-25 Roger Sayle <roger@eyesopen.com>
7387
7388 PR middle-end/23673
7389 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7390 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7391 symmetry related transformations. Fold (X^C1) == C2 as
7392 X == (C1^C2).
7393
7394 2006-02-25 Juergen Weigert <jw@suse.de>
7395 Richard Guenther <rguenther@suse.de>
7396
7397 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7398
7399 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7400
7401 * combine.c (gen_lowpart_or_truncate): Call
7402 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7403
7404 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7405
7406 * doc/invoke.texi: Move -fopenmp description to "Options for
7407 Code Generation".
7408 Remove reference to -lgomp.
7409
7410 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7411
7412 * doc/install.texi: Require GNU tar version 1.14.
7413
7414 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7415
7416 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7417 * doc/invoke.texi (C++ Dialect Options): Document
7418 -fno-use-cxa-get-exception-ptr.
7419 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7420 * configure: Regenerate.
7421 * c.opt (fuse-cxa-get-exception-ptr): New.
7422 * c-opts.c (c_common_handle_option): Handle
7423 OPT_fuse_cxa_get_exception_ptr.
7424 * c-common.c (flag_use_cxa_atexit): Update documentation.
7425 (flag_use_cxa_get_exception_ptr): New.
7426 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7427 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7428 documentation.
7429 (C_COMMON_OVERRIDE_OPTIONS): New.
7430
7431 2006-02-24 Roger Sayle <roger@eyesopen.com>
7432
7433 PR middle-end/24952
7434 * combine.c (try_combine): Explicitly check whether GET_CODE is
7435 a SET or a CLOBBER, instead on checking that it isn't a USE.
7436
7437 2006-02-24 Roger Sayle <roger@eyesopen.com>
7438
7439 * fold-const.c (fold_comparison): New subroutine of fold_binary
7440 containing transformations common to both the equality and
7441 ordering relational operators, factored out of fold_binary.
7442 (fold_binary): Separate out the equality operators (EQ_EXPR
7443 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7444 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7445 transformations common to both.
7446 (fold_div_compare): Fix latent bugs in the previously unreachable
7447 LT_EXPR and GE_EXPR cases.
7448
7449 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7450
7451 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7452 decl libname for clog to __clog on AIX.
7453
7454 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7455
7456 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7457
7458 PR target/26453
7459 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7460 output traceback table for thunks. Localise rs6000_stack_info call.
7461
7462 2006-02-23 Roger Sayle <roger@eyesopen.com>
7463 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7464
7465 * gthr-posix.h (__gthrw): Fix typo in comment.
7466
7467 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7468
7469 * doc/cpp.texi (Character sets): Document that we do support
7470 input files to be in any character set.
7471
7472 2006-02-23 Jeff Law <law@redhat.com>
7473
7474 * tree.h (PHI_ARG_NONZERO): Remove.
7475 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7476 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7477 node to the new node.
7478
7479 PR tree-optimization/26425
7480 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7481 min/max, then assume its varying.
7482
7483 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7484
7485 PR rtl-optimization/26316
7486 * rtlanal.c (enum may_trap_p_flags): New.
7487 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7488 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7489 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7490 (may_trap_after_code_motion_p): New function.
7491 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7492 (find_invariant_insn): Use may_trap_after_code_motion_p.
7493 * rtl.h (may_trap_after_code_motion_p): Declare.
7494
7495 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7496
7497 * emit-rtl.c (immed_double_const): Cleanup.
7498
7499 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7500
7501 Fix PR tree-optimization/26376
7502 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7503 remove assert.
7504
7505 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7506
7507 PR middle-end/26412
7508 * gimplify.c (omp_add_variable): Guard variable size decl test with
7509 DECL_SIZE (decl) check.
7510
7511 2006-02-23 Richard Guenther <rguenther@suse.de>
7512
7513 PR middle-end/26439
7514 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7515 like aggregate types.
7516
7517 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7518
7519 * configure.ac: Add --with{,out}-long-double-128 configure option.
7520 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7521 * configure: Rebuilt.
7522 * config.in: Rebuilt.
7523 * doc/install.texi (Options specification): Document
7524 --with-long-double-128.
7525
7526 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7527 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7528 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7530
7531 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7532
7533 * config/s390/s390.c (override_options): Handle
7534 TARGET_DEFAULT_LONG_DOUBLE_128.
7535
7536 * config/alpha/alpha.c (override_options): Handle
7537 TARGET_DEFAULT_LONG_DOUBLE_128.
7538
7539 * config/sparc/sparc.c (sparc_override_options): Handle
7540 TARGET_DEFAULT_LONG_DOUBLE_128.
7541
7542 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7543
7544 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7545 (real-install-headers-tar, real-install-headers-cpio)
7546 (real-install-headers-cp): New targets.
7547
7548 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7549
7550 * tree.h (variable_section): Delete.
7551 * varasm.c (variable_section): Delete.
7552
7553 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7554
7555 * install.texi: Add notes on install.texi2html.
7556 (Building in parallel): Do not use footnotes.
7557
7558 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7559
7560 PR libgomp/26234
7561 * doc/install.texi (Configuration): Document --disable-libgomp.
7562
7563 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7564
7565 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7566
7567 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7568
7569 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7570 (vec_extractv2df_0_sse): New.
7571
7572 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7573
7574 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7575 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7576 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7577 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7578 to the result of the expression.
7579 (def_cfa_1): Adjust.
7580 (frame_pointer_cfa_offset): Rename to...
7581 (frame_pointer_fb_offset): ... this. Adjust all uses.
7582 (convert_cfa_to_loc_list): Rename to...
7583 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7584 Pass it on to build_cfa_loc.
7585 (compute_frame_pointer_to_cfa_displacement): Rename to...
7586 (compute_frame_pointer_to_fb_displacement): ... this. New
7587 offset parameter. Use it in computation.
7588 (gen_subprogram_die): Compute cfa_fb_offset with the new
7589 macro, and use it to compute the fb loc list and the
7590 displacement.
7591
7592 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7593
7594 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7595 replaced with register_operand.
7596 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7597 non-DREG is expensive.
7598 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7599 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7600 involving memory.
7601
7602 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7603
7604 * doc/install.texi2html: Use set -e.
7605
7606 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7607
7608 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7609 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7610 * doc/invoke.texi (-fshared-data): Delete.
7611 * common.opt (fshared-data): Delete.
7612 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7613 (assemble_static_space): Remove #if 0 code.
7614 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7615 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7616 * config/cris/cris.h: Remove FIXME.
7617
7618 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7619
7620 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7621 hooks.
7622
7623 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7624
7625 PR middle-end/26379
7626 * combine.c (simplify_shift_const_1): Disable nested shifts
7627 optimization for vector shifts.
7628
7629 2006-02-20 Roger Sayle <roger@eyesopen.com>
7630
7631 PR tree-optimization/26361
7632 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7633 of unsigned integer types.
7634
7635 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7636
7637 * tree-chrec.c (eq_evolutions_p): New.
7638 * tree-chrec.h (eq_evolutions_p): Declared.
7639 * tree-data-ref.c: Fix formatting.
7640 (datadep_stats, dependence_stats): New.
7641 (gcd): Moved...
7642 (print_direction_vector): New.
7643 (dump_data_dependence_relation): Use print_direction_vector.
7644 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7645 (compute_subscript_distance): Static.
7646 (initialize_data_dependence_relation): Static. Get the number
7647 of loops surrounding the references from the callers, and initialize
7648 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7649 base_object_differ_p analyzers.
7650 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7651 compute_overlap_steps_for_affine_1_2,
7652 analyze_subscript_affine_affine): Count the classified dependences.
7653 Print a message when a test failed.
7654 (can_use_analyze_subscript_affine_affine): New.
7655 (analyze_siv_subscript): Compute the data dependences on symbolic
7656 scevs that verify can_use_analyze_subscript_affine_affine.
7657 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7658 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7659 Handle symbolic scevs.
7660 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7661 analyzed.
7662 (subscript_dependence_tester): Moved...
7663 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7664 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7665 DDR_SIZE_VECT instead of getting it in parameter.
7666 (subscript_dependence_tester): ... here. Take as a parameter
7667 loop_nest_depth. Call build_classic_dist_vector and
7668 build_classic_dir_vector.
7669 (compute_affine_dependence): Update subscript_dependence_tester
7670 parameters. Update datadep_stats counters. Call
7671 compute_subscript_distance.
7672 (compute_self_dependence): Save the dist and dir vectors. Call
7673 compute_subscript_distance.
7674 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7675 (compute_all_dependences): Reorder parameters as they were before
7676 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7677 compute_subscript_distance. Update the use of
7678 compute_affine_dependence and initialize_data_dependence_relation.
7679 (find_data_references_in_loop): Handle COMPONENT_REF.
7680 (compute_data_dependences_for_loop): Initialize dependence_stats.
7681 Don't call build_classic_dist_vector and build_classic_dir_vector.
7682 Update the parameters of initialize_data_dependence_relation and
7683 compute_all_dependences. Print the statistics from datadep_stats.
7684 (analyze_all_data_dependences): Static. Not used until the pass for
7685 checking the data dependences is contributed.
7686 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7687 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7688 (initialize_data_dependence_relation, compute_affine_dependence,
7689 analyze_all_data_dependences, compute_subscript_distance): Removed.
7690 (print_direction_vector): New.
7691 * lambda.h (gcd): ... here.
7692 (lambda_vector_gcd): Moved here from gcd_vector.
7693 * lambda-code.c (gcd, gcd_vector): Removed.
7694 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7695 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7696
7697 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7698
7699 * ipa-type-escape.c: Tidy some comments and white space.
7700 * tree-ssa-operands.c: Likewise.
7701
7702 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7703
7704 PR tree-opt/25879
7705 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7706 (dump_decl_name): Do not walk the decl tree chains.
7707 * tree-pass.h (TDF_CHAIN): Remove.
7708
7709 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7710
7711 * Makefile.in (C): Remove
7712 (PROTO): Remove
7713 (.PHONY): Remove C and PROTO
7714
7715 2006-02-20 Roger Sayle <roger@eyesopen.com>
7716
7717 PR middle-end/26236
7718 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7719 deprecated CHAR_TYPE tree code.
7720
7721 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7722
7723 * configure.ac (target_list): Add install-info, dvi, html.
7724 * configure: Regenerate.
7725
7726 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7727 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7728 treelang/Make-lang.in: Do not use double-colon rules.
7729
7730 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7731
7732 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7733 (TMT_USED_ALONE): New macro.
7734 * tree-pass.h (PROP_tmt_usage): New property.
7735 (TODO_update_tmt_usage): New todo.
7736 * tree-ssa-alias.c (updating_used_alone): New variable.
7737 (recalculate_used_alone): New function.
7738 (compute_may_aliases): Set updating_used_alone, call
7739 recalculate_used_alone.
7740 * tree-sra.c (pass_sra): Note that this pass destroys
7741 PROP_tmt_usage, and add TODO_update_tmt_usage.
7742 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7743 * tree-flow.h (updating_used_alone): Prototype.
7744 (recalculate_used_alone): Ditto.
7745 * passes.c (execute_todo): Add code to set updating_used_alone,
7746 and call recalculate.
7747 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7748 for clobber if used alone, and add assert to verify used_alone
7749 status.
7750
7751 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7752
7753 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7754 for non tls symbols added.
7755 (legitimize_address): Do nothing for PLUS expressions if one of the
7756 addends is a tls symbol reference.
7757
7758 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7759
7760 PR bootstrap/25476
7761
7762 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7763
7764 * Makefile.in (BOOTSTRAPPING): New.
7765 (quickstrap): New definition if BOOTSTRAPPING=yes.
7766
7767 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7768 * configure.ac: Substitute all_selected_languages with the languages
7769 that were configured. For all the other variables except
7770 lang_specs_files, include all the languages in the tree.
7771 * configure: Regenerate.
7772
7773 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7774 if there is one. Run the commands to run fixincludes in the same
7775 subshell.
7776
7777 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7778 * doc/install.texi: Document exact conventions for searching target tools.
7779 Document --with-build-time-tools. Document toplevel bootstrap. Document
7780 something more about building an Ada cross-compiler. Don't list GNU Make
7781 requirements which affect all platforms.
7782
7783 2006-02-19 Roger Sayle <roger@eyesopen.com>
7784
7785 PR middle-end/19543
7786 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7787 only equivalent if the have both the same mode and precision.
7788
7789 2006-02-20 Ben Elliston <bje@au.ibm.com>
7790
7791 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7792
7793 2006-02-19 Roger Sayle <roger@eyesopen.com>
7794 Steven Bosscher <stevenb.gcc@gmail.com>
7795
7796 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7797 constant pool references to identify stack mode constants.
7798 * rtlanal.c (constant_pool_constant_p): New predicate to check
7799 whether operand is a floating point constant in the pool.
7800 * rtl.h (constant_pool_constant_p): Prototype here.
7801 * loop.c (scan_loop): Avoid hoisting constants from the constant
7802 pool on STACK_REGS targets.
7803 (load_mems): Likewise.
7804 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7805 loads into x87 registers expensive in terms of register pressure.
7806
7807 2006-02-19 Roger Sayle <roger@eyesopen.com>
7808
7809 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7810 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7811
7812 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7813
7814 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7815 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7816
7817 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7818
7819 * doc/invoke.texi: Document -fipa-pta.
7820 * common.opt: Add ipa-pta option.
7821 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7822 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7823 (do_ds_constraint): Ditto.
7824 (get_constraint_for): Only add to referenced_vars if
7825 referenced_vars exists.
7826 (insert_into_field_list): Rewrite to do this unsorted.
7827 (insert_into_field_list_sorted): Rename old insert_into_field_list
7828 to this.
7829 (create_function_info_for): Use insert_into_field_list_sorted.
7830 (create_variable_info_for): Rewrite so it uses unsorted version,
7831 since the field list is sorted.
7832 (intra_create_variable_infos): Only add to referenced_vars if
7833 referenced_vars exists.
7834 (ipa_pta_execute): Init heapvars, and delete when done.
7835 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7836
7837 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7838
7839 * doc/install.texi: Add missing `@samp'.
7840
7841 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7842
7843 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7844 Use the arguments.
7845
7846 2006-02-18 Mark Wielaard <mark@klomp.org>
7847
7848 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7849 who added new 4.1 features, bug fixes and integration support.
7850
7851 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7852
7853 PR target/26350
7854 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7855 MEM for ABI_V4 pic.
7856
7857 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7858
7859 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7860 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7861 (copy_insn_1): Likewise. Don't copy each field individually.
7862 Reindent.
7863 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7864 of RTX_SIZE.
7865 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7866 * rtl.c (rtx_size): Rename variable to...
7867 (rtx_code_size): ...this.
7868 (rtx_size): New function.
7869 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7870 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7871 Reindent.
7872 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7873 * rtl.h (rtx_code_size): New variable.
7874 (rtx_size): Change from a variable to a function.
7875 (RTX_SIZE): Rename to...
7876 (RTX_CODE_SIZE): ...this.
7877
7878 PR target/9703
7879 PR tree-optimization/17106
7880 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7881 (Anchored Addresses): New section.
7882 * doc/invoke.texi (-fsection-anchors): Document.
7883 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7884 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7885 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7886 * hooks.c (hook_bool_mode_rtx_false): New function.
7887 * hooks.h (hook_bool_mode_rtx_false): Declare.
7888 * gengtype.c (create_optional_field): New function.
7889 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7890 SYMBOL_REF_IN_BLOCK_P is true.
7891 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7892 (min_anchor_offset, max_anchor_offset): Likewise.
7893 (use_anchors_for_symbol_p): New hook.
7894 * toplev.c (compile_file): Call output_object_blocks.
7895 (target_supports_section_anchors_p): New function.
7896 (process_options): Check that -fsection-anchors is only used on
7897 targets that support it and when -funit-at-a-time is in effect.
7898 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7899 if the decl doesn't have one.
7900 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7901 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7902 of force_const_mem through use_anchored_address.
7903 (expand_expr_constant): New function.
7904 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7905 calling expand_expr for INDIRECT_REF.
7906 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7907 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7908 * expr.h (use_anchored_address): Declare.
7909 * loop-unroll.c: Don't declare rtx vectors here.
7910 * explow.c: Include output.h.
7911 (validize_mem): Call use_anchored_address.
7912 (use_anchored_address): New function.
7913 * common.opt (-fsection-anchors): New switch.
7914 * varasm.c (object_block_htab, anchor_labelno): New variables.
7915 (hash_section, object_block_entry_eq, object_block_entry_hash)
7916 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7917 (use_blocks_for_decl_p, change_symbol_section): New functions.
7918 (get_variable_section): New function, split out from assemble_variable.
7919 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7920 use_blocks_for_decl_p say so. Use change_symbol_section if the
7921 symbol has already been created.
7922 (assemble_variable_contents): New function, split out from...
7923 (assemble_variable): ...here. Don't output any code for
7924 block symbols; just pass them to place_block_symbol.
7925 Use get_variable_section and assemble_variable_contents.
7926 (get_constant_alignment, get_constant_section, get_constant_size): New
7927 functions, split from output_constant_def_contents.
7928 (build_constant_desc): Create a block symbol if use_object_blocks_p
7929 says so. Or into SYMBOL_REF_FLAGS.
7930 (assemble_constant_contents): New function, split from...
7931 (output_constant_def_contents): ...here. Don't output any code
7932 for block symbols; just pass them to place_section_symbol.
7933 Use get_constant_section and get_constant_alignment.
7934 (force_const_mem): Create a block symbol if use_object_blocks_p and
7935 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7936 (output_constant_pool_1): Add an explicit alignment argument.
7937 Don't switch sections here.
7938 (output_constant_pool): Adjust call to output_constant_pool_1.
7939 Switch sections here instead. Don't output anything for block symbols;
7940 just pass them to place_block_symbol.
7941 (init_varasm_once): Initialize object_block_htab.
7942 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7943 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7944 (place_block_symbol, get_section_anchor, output_object_block)
7945 (output_object_block_htab, output_object_blocks): New functions.
7946 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7947 (TARGET_ASM_OUT): Include it.
7948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7949 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7950 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7951 (TARGET_INITIALIZER): Include them.
7952 * rtl.c (rtl_check_failed_block_symbol): New function.
7953 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7954 (block_symbol, object_block): New structures.
7955 (rtx_def): Add a block_symbol field to the union.
7956 (BLOCK_SYMBOL_CHECK): New macro.
7957 (rtl_check_failed_block_symbol): Declare.
7958 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7959 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7960 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7961 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7962 * output.h (output_section_symbols): Declare.
7963 (object_block): Name structure.
7964 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7965 (default_use_anchors_for_symbol_p): Declare.
7966 * Makefile.in (RTL_BASE_H): Add vec.h.
7967 (explow.o): Depend on output.h.
7968 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7969 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7970 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7971 (rs6000_use_blocks_for_constant_p): New function.
7972
7973 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7974
7975 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7976
7977 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7978
7979 PR tree-opt/25680
7980 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7981 IMAGPART_EXPR.
7982
7983 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7984
7985 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7986 is_aliased.
7987 Update all users.
7988
7989 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7990
7991 PR middle-end/26334
7992 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7993 instead of DECL_REGISTER.
7994
7995 2006-02-18 Olivier Hainque <hainque@adacore.com>
7996
7997 PR ada/13408
7998 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7999
8000 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8001
8002 PR target/24837
8003 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8004 * opth-gen.awk: Handle Var and InverseMask together.
8005 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8006 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8007 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8008 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8009 used together.
8010 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8011 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8012 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8013 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8014 LINUX_DYNAMIC_LINKER): Define.
8015 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8016 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8017 TARGET_GLIBC.
8018 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8019 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8020 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8022 (TARGET_C99_FUNCTIONS): Don't define.
8023 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8024 GLIBC_DYNAMIC_LINKER.
8025 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8026 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8027 GLIBC_DYNAMIC_LINKER64): Define.
8028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8029 LINUX_DYNAMIC_LINKER64.
8030 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8032 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8034 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8036 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8037 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8038 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8040 and LINUX_DYNAMIC_LINKER32.
8041 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8043 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8045 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8046 TARGET_GLIBC.
8047 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8048 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8049 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8050 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8052 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8053 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8054 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8055 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8056 LINUX_DYNAMIC_LINKER): Define.
8057 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8058 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8059 GLIBC_DYNAMIC_LINKER64): Define.
8060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8061 LINUX_DYNAMIC_LINKER64.
8062 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8063 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8064 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8065 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8066 LINUX_DYNAMIC_LINKER): Define.
8067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8068 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8069 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8070 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8071 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8072 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8073 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8074 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8075 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8076 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8078 * doc/invoke.texi (-muclibc): Remove caveat about supported
8079 targets.
8080
8081 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8082
8083 * doc/cpp.texi (__TIMESTAMP__): Document.
8084
8085 2006-02-17 Roger Sayle <roger@eyesopen.com>
8086
8087 PR middle-end/25600
8088 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8089 C is one less than the width of X (and related transformations).
8090 * simplify-rtx.c (simplify_unary_operation_1): Transform
8091 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8092 depending on STORE_FLAG_VALUE, were C is one less then the
8093 width of X.
8094
8095 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8096
8097 Fix PR tree-optimization/26341
8098 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8099 about NAME_MEMORY_TAG's.
8100
8101 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8102
8103 PR target/26255
8104 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8105 with hardware float support, and software float support. Add fcpy
8106 alternative to hardware patterns. Add alternatives to copy between
8107 general and floating-point registers to the 32-bit pattern.
8108 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8109 secondary reload to load a QI or HI mode constant into a floating
8110 point register.
8111 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8112 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8113
8114 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8115
8116 PR target/26272
8117 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8118 pc to the pattern.
8119 (load_macho_picbase_di): Likewise.
8120
8121 2006-02-16 Jeff Law <law@redhat.com>
8122
8123 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8124 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8125 (ssa_name_nonzero_p): Likewise.
8126 (get_value_range): Return NULL if VRP is not running.
8127 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8128 VRP routines do not discover a range.
8129 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8130 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8131 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8132 (tree_expr_nonnegative_p): Similarly.
8133 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8134 (restore_nonzero_vars_to_original_value): Remove.
8135 (unsafe_associative_fp_binop): Remove.
8136 (tree_ssa_dominator_optimize): Remove initialization and
8137 finalization of nonzero_vars and nonzero_vars_stack.
8138 (dom_opt_initialize_block): No longer push marker on
8139 nonzero_vars_stack.
8140 (dom_opt_finalize_block): No longer call
8141 restore_nonzero_vars_to_original_value.
8142 (record_equivalences_from_phis): No longer look for
8143 nonzero PHI arguments.
8144 (cprop_into_successor_phis): No longer propagate nonzero
8145 property into PHI arguments. Lose unused argument. Caller
8146 updated.
8147 (record_equivalences_from_stmt): No longer record nonzero
8148 values for SSA_NAMEs.
8149 (lookup_avail_expr): No longer use nonzero_vars.
8150
8151 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8152 for sizetype when sizetype is unsigned.
8153
8154 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8155
8156 PR rtl-optimization/25603
8157 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8158 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8159 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8160 with new meaning of SETS.
8161
8162 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8163
8164 PR target/20353
8165 PR target/24578
8166 PR target/24837
8167 * config/linux.opt: New file.
8168 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8169 LINUX_DYNAMIC_LINKER): Define.
8170 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8171 * config.gcc (*-*-linux*): Define extra_options.
8172 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8173 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8174 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8175 GLIBC_DYNAMIC_LINKER.
8176 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8177 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8178 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8180 * doc/invoke.texi (GNU/Linux Options): New section.
8181
8182 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8183
8184 * config/sparc/sparc.md (setjmp): Rewrite.
8185 (setjmp_32): Delete.
8186 (setjmp_64): Likewise.
8187
8188 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8189
8190 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8191 previous change.
8192
8193 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8194
8195 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8196 read-write uses.
8197
8198 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8199
8200 PR rtl-optimization/26296
8201 * Makefile.in (loop-invariant.c): Add except.h dependency.
8202 * loop-invariant.c: Include except.h.
8203 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8204
8205 2005-02-16 Paul Brook <paul@codesourcery.com>
8206
8207 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8208 for reloads.
8209
8210 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8211
8212 PR rtl-optimization/25636
8213 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8214 when deciding whether an insn is an initializing insn.
8215
8216 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8217
8218 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8219 (tree_code_size): Ditto.
8220 * tree.h (struct tree_memory_tag): Remove parent_var.
8221 (struct tree_struct_field_tag): New.
8222 (SFT_OFFSET): New.
8223 (SFT_SIZE): New.
8224 (union tree_node): Add sft member.
8225 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8226 specially here.
8227 (create_sft): Add size and offset argument, set SFT_OFFSET and
8228 SFT_SIZE.
8229 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8230 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8231 * tree-flow-inline.h (get_subvar_at): Update for
8232 SFT_OFFSET/SFT_SIZE.
8233 (var_can_have_subvars): Ditto.
8234 (overlap_subvar): Ditto.
8235 * print-tree.c (print_node): Print out interesting things for
8236 SFT's.
8237 * tree-flow.h (struct subvar): Remove offset and size members.
8238 * tree-ssa-operands.c (get_expr_operands): Update for
8239 get_indirect_ref_operands changes.
8240 (get_indirect_ref_operands): Call add_virtual_operand instead of
8241 add_stmt_operand. Only recurse on base var if requested.
8242 (access_can_touch_variable): New function.
8243 (add_stmt_operand): Split virtual operand handling into ...
8244 (add_virtual_operand): Here. Add offset, size, and for_clobber
8245 arguments. Prune alias sets.
8246 (add_call_clobber_ops): Call add_virtual_operand.
8247
8248 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8249
8250 PR middle-end/26300
8251 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8252
8253 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8254 than TREE_CODE as index into omp_clause_num_ops array.
8255
8256 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8257
8258 PR rtl-optimization/26184
8259 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8260 uses_of_defs.
8261 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8262 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8263 must_precede, must_follow and tobe_scheduled.
8264
8265 PR other/26147
8266 * opts.c (common_handle_option): Free new_option pointer.
8267 * df-core.c (df_analyze): Free postorder pointer.
8268
8269 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8270
8271 * Makefile.in: Fix the examples about the use of stamps
8272
8273 2006-02-15 Michael Matz <matz@suse.de>
8274
8275 PR middle-end/22275
8276
8277 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8278 influenced by maximum_field_alignment or DECL_PACKED.
8279 (update_alignment_for_field): Ditto.
8280 (place_field): Ditto.
8281 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8282 this behaviour.
8283
8284 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8285
8286 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8287 (debug_flow_info): Pass it.
8288 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8289 * bb-reorder.c (reorder_basic_blocks): Likewise.
8290 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8291 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8292 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8293 * gcse.c (gcse_main, bypass_jumps): Likewise.
8294 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8295 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8296 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8297 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8298 * rtl.h (dump_flow_info): Adjust prototype.
8299 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8300 * var-tracking.c (variable_tracking_main): Likewise.
8301 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8302 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8303 options.
8304
8305 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8306
8307 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8308 construction.
8309
8310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8311
8312 PR tree-optimization/26209
8313 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8314 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8315 eh edges.
8316 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8317
8318 2006-02-14 Roger Sayle <roger@eyesopen.com>
8319
8320 PR middle-end/23670
8321 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8322 (X,Y) and the corresponding symmetry related transformations.
8323 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8324 (X,Y) and its symmetry related transformations.
8325
8326 2006-02-14 Roger Sayle <roger@eyesopen.com>
8327
8328 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8329 and GEU.
8330
8331 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8332
8333 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8334
8335 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8336
8337 PR bootstrap/26053
8338 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8339 support COMDAT group.
8340 * configure: Regenerate.
8341
8342 2006-02-14 Roger Sayle <roger@eyesopen.com>
8343
8344 PR middle-end/26279
8345 PR middle-end/26280
8346 PR middle-end/26283
8347 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8348
8349 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8350
8351 Fix PR tree-optimization/26260
8352
8353 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8354 param.
8355 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8356 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8357 * tree-ssa-structalias.c (create_variable_info_for): Use
8358 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8359
8360 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8361
8362 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8363 Document.
8364 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8365 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8366 of the ending condition.
8367 * tree-ssa-loop-manip.c: Include params.h.
8368 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8369 tree_unroll_loop): New functions.
8370 * tree-pass.h (pass_loop_prefetch): Declare.
8371 * loop.c (rest_of_handle_loop_optimize): Test for
8372 -fprefetch-loop-arrays-rtl.
8373 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8374 * timevar.def (TV_TREE_PREFETCH): New timevar.
8375 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8376 pass_loop_prefetch): New.
8377 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8378 (cleanup_tree_cfg_loop): Call scev_reset.
8379 * common.opt (fprefetch-loop-arrays-rtl): Add.
8380 * tree-ssa-loop-prefetch.c: New file.
8381 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8382 (new_temp_expr_table): Initialize expr_vars.
8383 (free_temp_expr_table): Cleanup expr_vars.
8384 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8385 expressions from being merged into one.
8386 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8387 (struct tree_niter_desc): Add control, bound and cmp fields.
8388 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8389 Declare.
8390 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8391 (tree-cfgcleanup.o): Add SCEV_H dependency.
8392 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8393 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8394
8395 2006-02-14 Richard Guenther <rguenther@suse.de>
8396
8397 PR tree-optimization/26258
8398 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8399 in PHI argument processing.
8400
8401 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8402
8403 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8404 new expression in the requested machine mode.
8405
8406 2006-02-13 Roger Sayle <roger@eyesopen.com>
8407
8408 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8409 directly, instead let do_compare_rtx_and_jump handle this for us.
8410 * expr.c (expand_expr_real_1): Likewise.
8411 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8412 before do_jump_by_parts_greater.
8413 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8414 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8415
8416 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8417
8418 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8419
8420 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8421
8422 PR rtl-optimization/26235
8423 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8424 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8425 format.
8426
8427 2006-02-13 Jeff Law <law@redhat.com>
8428
8429 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8430 TRUTH_XOR_EPR.
8431
8432 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8433
8434 PR middle-end/26092
8435 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8436 twice if decl is a builtin. When trying again, call get_callee_fndecl
8437 first to verify it is still a builtin.
8438
8439 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8440
8441 * dwarf2out.c (base_type_die): Don't add AT_name here.
8442 (subrange_type_die): Don't add AT_name here.
8443 (modified_type_die): Rearrange code flow. Do add AT_name here.
8444
8445 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8446
8447 PR rtl-optimization/26247
8448 PR rtl-optimization/26248
8449 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8450
8451 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8452
8453 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8454 * config/fixtfdi.c: Likewise.
8455 * config/fixunstfdi.c: Likewise.
8456 * config/floatditf.c: Likewise.
8457
8458 2006-02-13 Roger Sayle <roger@eyesopen.com>
8459
8460 PR middle-end/24427
8461 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8462 into (X,C2) if C1 is a subset of the bits of C2. Transform
8463 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8464 (X&(C1&~C2))|C2.
8465 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8466
8467 2006-02-13 Josh Conner <jconner@apple.com>
8468
8469 PR target/25376
8470 * varasm.c (function_section): Check for section name before
8471 calling select_section on targets that define
8472 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8473 unlikely_text_section instead of hot_function_section if
8474 first_function_block_is_cold.
8475
8476 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8477
8478 PR middle-end/25335
8479 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8480
8481 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8482
8483 PR rtl-optimization/26222
8484 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8485 after tree->rtl expansion.
8486 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8487 before passing it to emit_move_insn.
8488
8489 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8490
8491 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8492 default.
8493 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8494 Clarify documentation.
8495 * c-common.h (warn_write_strings): Remove.
8496 * c-common.c (warn_write_strings): Likewise.
8497 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8498 default for C++.
8499
8500 2006-02-12 Roger Sayle <roger@eyesopen.com>
8501
8502 PR middle-end/25724
8503 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8504 (do_jump_parts_zero_rtx): New function renamed from
8505 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8506 (do_jump_parts_equality_rtx): New function split out from
8507 do_jump_parts_equality. Old implementation renamed as above.
8508 Call do_jump_parts_zero_rtx if either operand is zero.
8509 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8510 do all of the heavy lifting.
8511 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8512 calling either do_jump_by_parts_greater_rtx or
8513 do_jump_by_parts_equality_rtx.
8514 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8515 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8516 moved to do_compare_rtx_and_jump, call it directly.
8517 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8518 mode argument. Call do_compare_rtx_and_jump.
8519 (emit_case_nodes): Update calls to do_jump_if_equal.
8520
8521 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8522
8523 PR rtl-optimization/26225
8524 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8525
8526 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8527
8528 PR rtl-optimization/26232
8529 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8530
8531 2006-02-11 Jason Merrill <jason@redhat.com>
8532
8533 PR tree-opt/24365
8534 * tree-inline.c (declare_return_variable): Just don't use the
8535 modify target if it's a gimple complex reg and the return slot
8536 isn't.
8537
8538 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8539
8540 * doc/contrib.texi: Update my entry.
8541
8542 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8543
8544 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8545
8546 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8547
8548 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8549 expensive.
8550
8551 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8552
8553 * doc/invoke.texi (-floop-optimize2): Removed.
8554 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8555 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8556 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8557 * common.opt (floop-optimize2): Removed.
8558 (fmove-loop-invariants): Enabled by default.
8559
8560 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8561
8562 * tree-if-conv.c (combine_blocks): Free the result of
8563 get_loop_exit_edges.
8564
8565 2006-02-10 Jeff Law <law@redhat.com>
8566
8567 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8568
8569 PR tree-optimization/26213
8570 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8571 loop trying to follow SSA_NAME_VALUE chains.
8572
8573 2006-02-10 Richard Guenther <rguenther@suse.de>
8574
8575 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8576 deal with structures that end in implicitly variable sized arrays.
8577
8578 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8579
8580 PR rtl-optimization/24762
8581 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8582 eh edges.
8583
8584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8585
8586 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8587 (struct ivopts_data): Add regs_used field.
8588 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8589 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8590 instead of loop_data->regs_used;
8591 (free_loop_data): Do not free aux fields for loops.
8592 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8593 and tree_ssa_iv_optimize_finalize.
8594
8595 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8596
8597 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8598
8599 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8600
8601 PR target/26141
8602 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8603 computing the effective result type.
8604
8605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8606
8607 PR inline-asm/16194
8608 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8609 (tree_overlaps_hard_reg_set): Declare.
8610 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8611 type and signature to match function type expected by walk_tree.
8612 (tree_overlaps_hard_reg_set): New function.
8613 (decl_conflicts_with_clobbers_p): Rename to:
8614 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8615 Use tree_overlaps_hard_reg_set. Changed caller.
8616 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8617 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8618 * cris.c (cris_md_asm_clobbers): Likewise.
8619
8620 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8621
8622 * reload1.c (emit_input_reload_insns): Delete code that tries to
8623 inherit using find_equiv_reg.
8624
8625 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8626
8627 * c-common.h (flag_const_strings): Don't declare.
8628 * c-common.c (flag_const_strings): Remove.
8629 * c.opt (fconst_strings): Remove.
8630 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8631 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8632 (c_common_init_options): Don't set flag_const_strings.
8633 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8634
8635 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8636
8637 * arm.md (tlobits_cbranch): New pattern.
8638 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8639 testing a single bit.
8640
8641 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8642
8643 PR tree-opt/26179
8644 * tree-ssa-pre.c (create_component_ref_by_pieces):
8645 Handle RETURN_DECL like VAR_DECL.
8646
8647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8648
8649 PR middle-end/26134
8650 * fold-const.c (fold_indirect_ref_1): Fold
8651 "*(foo *)&complexfoo" to "__real__ complexfoo"
8652 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8653
8654 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8655
8656 * tree-flow-inline.h (var_can_have_subvars):
8657 Volatile variables should not have subvariables.
8658
8659 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8660
8661 PR 26180
8662 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8663 multiplying unsigned values.
8664 Tidy comments.
8665
8666 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8667
8668 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8669
8670 2006-02-08 Jason Merrill <jason@redhat.com>
8671
8672 PR c++/25979
8673 * tree.def: Elaborate on difference from MODIFY_EXPR.
8674 * doc/c-tree.texi (INIT_EXPR): Likewise.
8675 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8676 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8677 (gimplify_target_expr): Likewise.
8678 (gimplify_cond_expr): Remove target handling.
8679 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8680 (gimplify_expr): Clobber it here.
8681 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8682 Do return slot optimization if we have an INIT_EXPR.
8683
8684 PR tree-opt/24365
8685 * tree-inline.c (declare_return_variable): Also clear
8686 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8687
8688 PR c++/16405
8689 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8690
8691 PR middle-end/22439
8692 * gimplify.c (gimplify_one_sizepos): Fix typo.
8693
8694 2006-02-08 Jeff Law <law@redhat.com>
8695
8696 PR tree-optimization/21417
8697 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8698 across a backedge if the control statement at the end of the
8699 block is data dependent on other statements in the same block.
8700 (record_temporary_equivalences_from_stmts): Remove over-conservative
8701 test for threading across backedges.
8702
8703 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8704 control statement, handle all three special cases in the same
8705 manner as they all have the same desired solution. No longer
8706 special case edge flag updating when the post dominator is
8707 the exit block.
8708
8709 2006-02-08 Roger Sayle <roger@eyesopen.com>
8710
8711 * tree.def (CHAR_TYPE): Remove.
8712 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8713 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8714 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8715 (gen_string_type_die): Delete unreachable function.
8716
8717 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8718 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8719 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8720 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8721 * builtins.c (type_to_class): Likewise.
8722 * fold-const.c (fold_convert, build_range_check,
8723 merge_ranges): Likewise.
8724 * expr.c (count_type_elements): Likewise.
8725 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8726 * stor-layout.c (layout_type): Likewise.
8727 * ipa-type-escape.c (type_to_consider): Likewise.
8728 * gimplify.c (omp_firstprivatize_type_sizes,
8729 gimplify_type_sizes): Likewise.
8730 * explow.c (promote_mode): Likewise.
8731 * tree-sra.c (is_sra_scalar_type): Likewise.
8732 * varasm.c (output_constant): Likewise.
8733 * tree-inline.c (remap_type_1): Likewise.
8734 * convert.c (convert_to_pointer, convert_to_real,
8735 convert_to_integer, convert_to_complex): Likewise.
8736
8737 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8738
8739 * df-scan.c (df_def_record_1): A set destination may
8740 be a parallel regardless of mode.
8741
8742 2006-02-08 Roger Sayle <roger@eyesopen.com>
8743
8744 PR target/22209
8745 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8746 * config/mips/_tilib.c: Remove.
8747 * config/fixtfdi.c: New libgcc source file.
8748 * config/fixunstfdi.c: New source file.
8749 * config/floatditf.c: New source file.
8750 * config/floatunditf.c: New souce file.
8751 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8752 files above instead of config/mips/_tilib.c.
8753 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8754
8755 2006-02-08 Jeff Law <law@redhat.com>
8756
8757 PR tree-optimization/26169
8758 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8759 threading jumps.
8760
8761 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8762
8763 * df.h (DF_REG_SIZE): Return the length of the initialized
8764 part of the array.
8765
8766 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8767
8768 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8769 __muldf3): Return a correctly signed zero.
8770
8771 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8772
8773 * passes.c (register_one_dump_file): Accept the current properties
8774 instead of pass number. Adjust call to dump_register. Remove
8775 duplicated code.
8776 (register_dump_files): Now a wrapper around...
8777 (register_dump_files_1): ... this one. Do not modify the pass
8778 structure.
8779 (next_pass_1): Cosmetic fix.
8780 (execute_todo): Keep second parameter only. Use curr_properties
8781 instead of fetching it from the pass structure. Check and set
8782 last_verified.
8783 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8784 instead of fetching it from the pass structure. Fix calls to
8785 execute_todo. Update curr_properties and initialize .vcg RTL dump
8786 after running the pass. Reset last_verified.
8787 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8788 at the beginning.
8789 (FIRST_AUTO_NUMBERED_DUMP): New.
8790 (dump_register): Remove "num" parameter, assign it within the
8791 function.
8792 (get_dump_file_name): Modify template for dumps.
8793 * tree-dump.h (dump_register): Adjust prototype.
8794 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8795 (PROP_trees): Add PROP_gimple_lomp.
8796 (TODO_set_props): New.
8797 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8798 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8799 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8800
8801 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8802
8803 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8804 (sparc64-*-linux*): Likewise.
8805 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8806 * config/sparc/t-linux: New file.
8807 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8808 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8809 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8810 -m32 -mlong-double-128.
8811
8812 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8813 * config/alpha/t-linux: New file.
8814 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8815
8816 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8818 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8819 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8820 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8821 (CPP_ARCH32_SPEC): Remove.
8822
8823 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8824
8825 PR tree-optimization/26145
8826 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8827 bbs pointer.
8828
8829 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8830
8831 PR target/26109
8832 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8833 >= 240000 when generating code for SOM runtime.
8834 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8835 to $$dyncall when generating code for SOM runtime..
8836
8837 2006-02-07 Dirk Mueller <dmueller@suse.com>
8838
8839 PR c++/18150
8840 * doc/invoke.texi (-Wsequence-point): Update documentation
8841 that -Wsequence-point is implemented for C++ as well.
8842
8843 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8844
8845 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8846 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8847 (LIB_SPEC): Likewise.
8848 * doc/invoke.texi (SPARC options): Document -pthread.
8849
8850 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8851
8852 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8853 PIC addresses.
8854
8855 2006-02-07 Roger Sayle <roger@eyesopen.com>
8856
8857 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8858 Correct comment describing BOOLEAN_TYPE.
8859
8860 2006-02-07 Dirk Mueller <dmueller@suse.com>
8861
8862 * c.opt: C++ frontend supports -Wdiv-by-zero.
8863 * c-opts.c (c_common_handle_option): Remove dead case.
8864
8865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8866
8867 * configure.ac (TLS assembler check): Do not enable TLS by
8868 default on SPARC/Solaris before version 10.
8869 * configure: Regenerate.
8870
8871 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8872
8873 * doc/invoke.texi (xl-compat): Document conversion and support
8874 routine names.
8875
8876 2006-02-07 Jeff Law <law@redhat.com>
8877
8878 * tree-vrp.c (find_conditional_asserts): Update comments.
8879 (simplify_stmt_for_jump_threading): New.
8880 (identify_jump_threads, finalize_jump_threads): New.
8881 (vrp_finalize): Call identify_jump_threads.
8882 (execute_vrp): Call finalize_jump_threads.
8883 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8884 (vrp_element, vrp_data, vrp_element_p): Remove.
8885 (vrp_hash_elt, vrp_variables_stack): Remove.
8886 (vrp_hash, vrp_eq, record_range): Remove.
8887 (simplify_cond_and_lookup_avail_expr): Remove.
8888 (extract_range_from_cond): Remove.
8889 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8890 (simplify_stmt_for_jump_threading): New.
8891 (dom_thread_across_edge): New wrapper.
8892 (tree_ssa_dominator_optimize): No longer initialize or
8893 finalize any of the VRP datastructures. Remove iteration
8894 step and simplify as a result of removal of iteration step.
8895 (pass_dominator): Perform a cfg cleanup after DOM.
8896 (dom_opt_finalize_block): Use the new common routines
8897 for threading jumps. Simplify stack management slightly.
8898 No longer need to unwind VRP state.
8899 (record_equivalences_from_incoming_edge): No longer record
8900 VRP information.
8901 (eliminate_redundant_computations): No longer call
8902 simplify_cond_and_lookup_avail_expr.
8903 * tree-flow.h (potentially_threadable_block): Prototype.
8904 (thread_across_edge): Likewise.
8905 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8906 (tree-ssa-threadedge.o): Add dependencies.
8907 * tree-ssa-threadedge.c: New file.
8908 * passes.c (init_optimization_passes): Merge PHIs before
8909 calling VRP. Run VRP again late in the SSA optimization pipeline.
8910
8911 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8912
8913 * df-core.c (df_set_blocks): Do not dereference function pointers.
8914 (df_finish1): Likewise.
8915 (df_hybrid_search_forward): Likewise.
8916 (df_hybrid_search_backward): Likewise.
8917 (df_iterative_dataflow): Likewise.
8918 (df_analyze_problem): Likewise.
8919 (df_compact_blocks): Likewise.
8920 (df_dump): Likewise.
8921 * df-scan.c (df_rescan_blocks): Likewise.
8922 (df_record_entry_block_defs): Likewise.
8923
8924 * genconditions.c (write_conditions): Guard the definition of
8925 'insn_conditions' with the check on GCC version.
8926 (write_writer): Guard the traversal 'insn_conditions' with
8927 the check on GCC version.
8928
8929 2006-02-07 Richard Guenther <rguenther@suse.de>
8930
8931 PR c++/26140
8932 Revert
8933 2006-01-30 Richard Guenther <rguenther@suse.de>
8934 PR c++/23372
8935 * gimplify.c (gimplify_target_expr): Handle easy cases
8936 without creating a temporary.
8937
8938 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8939
8940 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8941 use of float in probability computations. Use edge probabilities
8942 in place of statically computed probabilities.
8943 (min_spec_prob): New static variable.
8944 (schedule_insns): Initialize it.
8945 (GET_SRC_PROB): Removed.
8946 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8947
8948 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8949
8950 PR debug/24444
8951 * config/ia64/unwind-ia64.c: Revert last change.
8952 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8953 (INCOMING_FRAME_SP_OFFSET): Define.
8954
8955 2006-02-06 Roger Sayle <roger@eyesopen.com>
8956
8957 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8958
8959 2006-02-07 Ben Elliston <bje@au.ibm.com>
8960
8961 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8962 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8963 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8964 (ix86_return_in_memory): Handle TDmode.
8965 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8966 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8967
8968 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8969
8970 * reorg.c (dbr_schedule): Use dump_file instead of file.
8971
8972 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8973
8974 PR target/25917
8975 * config/ia64/predicates.md (extr_len_operand): New predicate.
8976 * config/ia64/ia64.md (extv): Tighten constraints.
8977 (extzv): Ditto.
8978 (*tbit_and_2): Ditto.
8979 (*tbit_and_3): Ditto.
8980 (*tbit_or_2): Ditto.
8981 (*tbit_or_3): Ditto.
8982 (*bit_zero): Ditto.
8983 (*bit_one): Ditto.
8984
8985 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8986
8987 PR target/23359
8988 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8989
8990 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8991
8992 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8993 loop_optimizer_init and loop_optimizer_finalize
8994 * tree-ssa-sink.c (execute_sink_code): Ditto.
8995 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8996 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8997 tree_ssa_loop_done): Ditto.
8998 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8999 * sched-ebb.c: Include output.h.
9000 (schedule_ebbs): Do not use dump argument.
9001 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9002 * loop.c (loop_dump_stream): Removed.
9003 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9004 argument.
9005 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9006 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9007 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9008 loop_iterations, strength_reduce, record_biv, record_giv,
9009 final_giv_value, check_final_value, check_ext_dependent_givs,
9010 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9011 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9012 dump_file instead of loop_dump_stream.
9013 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9014 argument dump_file.
9015 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9016 dump argument.
9017 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9018 * haifa-sched.c: Include output.h
9019 (schedule_insns, sched_init): Do not use dump argument.
9020 * mode-switching.c (optimize_mode_switching): Ditto.
9021 * modulo-sched.c (stats_file): Removed.
9022 (print_node_sched_params): Do not call argument dump_file.
9023 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9024 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9025 of stats_file.
9026 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9027 use dump argument.
9028 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9029 rtl_loop_init, rtl_loop_done): Ditto.
9030 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9031 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9032 Ditto.
9033 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9034 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9035 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9036 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9037 * emit-rtl.c (renumber_insns): Ditto.
9038 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9039 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9040 * regclass.c (regclass): Ditto.
9041 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9042 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9043 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9044 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9045 Ditto.
9046 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9047 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9048 to regclass.
9049 * gcse.c (gcse_file, debug_stderr): Removed.
9050 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9051 rest_of_handle_gcse): Do not use dump argument.
9052 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9053 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9054 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9055 compute_code_hoist_vbeinout, compute_code_hoist_data,
9056 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9057 compute_store_table, build_store_vectors, insert_insn_start_bb,
9058 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9059 store_motion): Use dump_file instead of gcse_file.
9060 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9061 * profile.c (profile_dump_file): Removed.
9062 (branch_prob): Use dump_file instead of profile_dump_file.
9063 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9064 dump_file.
9065 * tree-ssa-copy.c (dump_copy_of): Ditto.
9066 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9067 dump file to life_analysis.
9068 * bt-load.c (branch_target_load_optimize): Ditto.
9069 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9070 renumber_insns.
9071 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9072 regclass, dbr_schedule): Declaration changed.
9073 * sched-int.h (sched_init): Declaration changed.
9074 * tree-profile.c (tree_profile_dump_file): Removed.
9075 (tree_profile_hooks): Removed profile_dump_file hook.
9076 * rtl-profile (rtl_profile_dump_file): Removed.
9077 (rtl_profile_hooks): emoved profile_dump_file hook.
9078 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9079 changed.
9080 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9081 * tree-cfg.c (build_tree_cfg): Ditto.
9082 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9083 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9084 Declaration changed.
9085 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9086 life_analysis and schedule_insns.
9087 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9088 life_analysis.
9089 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9090 dbr_schedule.
9091 * config/mips/mips.c (mips_reorg): Ditto.
9092 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9093 schedule_ebbs.
9094
9095 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9096
9097 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9098 (s390_mangle_fundamental_type): New.
9099 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9100 Define.
9101
9102 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9103 (alpha_mangle_fundamental_type): New.
9104 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9105 Define.
9106
9107 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9108 Define.
9109 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9110 Define.
9111 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9112 (sparc_mangle_fundamental_type): New.
9113
9114 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9115
9116 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9117 (s390x-*-linux*): Likewise.
9118 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9119 * config/s390/t-linux: New file.
9120
9121 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9122
9123 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9124 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9125
9126 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9127
9128 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9129 (ANTIC_SAFE_LOADS): New macro.
9130 (find_or_generate_expression): Add prototype.
9131 (set_contains_value): Allow null set for sake of not always having
9132 to allocate ANTIC_SAFE_LOADS.
9133 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9134 Allow COMPONENT_REF too.
9135 (valid_in_set): Allow COMPONENT_REF.
9136 Check ANTIC_SAFE_LOADS too.
9137 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9138 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9139 rename.
9140 (can_PRE_operation): Add COMPONENT_REF.
9141 (create_component_ref_by_pieces): New function.
9142 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9143 (insert_aux): Move AGGREGATE_TYPE_P check here.
9144 (compute_avail): Set bb local stmt uids.
9145 (pass_pre): Use TODO_update_ssa_only_virtuals.
9146
9147 2006-02-06 Ben Elliston <bje@au.ibm.com>
9148
9149 * configure.ac: Unconditionally disable decimal float by default.
9150 * configure: Regenerate.
9151
9152 2006-02-06 Ben Elliston <bje@au.ibm.com>
9153
9154 * read-rtl.c (read_name): Terminate reading on EOF.
9155
9156 2006-02-06 Ben Elliston <bje@au.ibm.com>
9157
9158 * dfp.c (decimal_real_arithmetic): Change second argument type
9159 from int to enum tree_code. Do not always return true, but now
9160 return result of any call to decimal_do helper functions.
9161 * dfp.h (decimal_real_arithmetic): Update prototype.
9162
9163 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9164
9165 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9166
9167 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9168
9169 PR tree-opt/25251
9170 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9171 forced labels.
9172
9173 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9174
9175 * tree-vrp.c (cfg_loops): Removed.
9176 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9177 Use current_loops instead of cfg_loops. Pass flags to
9178 loop_optimizer_init.
9179 * cfgloopmanip.c (fix_loop_structure): Update only available
9180 information.
9181 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9182 loop_optimizer_init.
9183 * modulo-sched.c (build_loops_structure): Removed.
9184 (sms_schedule): Use loop_optimizer_init.
9185 * loop-init.c (loop_optimizer_init): Use flags to determine
9186 which properties of loops to prepare.
9187 (rtl_loop_init): Pass flags to loop_optimizer_init.
9188 * tree-ssa-sink.c (execute_sink_code): Ditto.
9189 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9190 * tree-ssa-pre.c (init_pre): Ditto.
9191 * cfgloop.h (LOOPS_NORMAL): New.
9192 (loop_optimizer_init): Declaration changed.
9193
9194 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9195
9196 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9197 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9198 pa/t-pa.
9199 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9200 pa/t-pa.
9201 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9202 pa/x-ada.
9203 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9204 * pa/t-pa64: Delete quadlib.c rule.
9205 * pa/x-ada: Revert last change.
9206 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9207
9208 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9209
9210 PR rtl-optimization/26087
9211 * rtlanal.c (canonicalize_condition): Do not cross basic block
9212 boundaries.
9213
9214 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9215
9216 PR debug/24444
9217 * config/ia64/ia64.c: Include debug.h.
9218 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9219 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9220 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9221 (process_epilogue, process_set, process_for_unwind_directive):
9222 Output unwind info only if requested. Add CFA info if requested.
9223 Add new arguments as needed. Adjust callers.
9224 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9225 incorrect default.
9226 (DWARF2_FRAME_INFO): Define to zero.
9227 * config/ia64/unwind-ia64.c: Remove code that compensated for
9228 the CFA offset error fixed above.
9229 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9230 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9231 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9232 -funwind-tables and -fexceptions to enable frame info.
9233 (dwarf2out_frame_init): Define initial CFA even if
9234 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9235 DWARF2_UNWIND_INFO is nonzero, not just defined.
9236 (dwarf2out_frame_finish): Output non-EH call frame info only
9237 if DWARF2_FRAME_INFO is nonzero.
9238 (convert_cfa_to_loc_list,
9239 compute_frame_pointer_to_cfa_displacement): Define even if
9240 unwind info is not supported.
9241 (gen_subprogram_die): Use the above unconditionally. Remove
9242 legacy alternate code.
9243 * toplev.c (compile_file): Compile in call to
9244 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9245 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9246
9247 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9248 Jakub Jelinek <jakub@redhat.com>
9249
9250 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9251 IBM extended float format long double as "g" on powerpc*-linux.
9252
9253 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9254
9255 PR target/25926
9256 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9257 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9258
9259 2006-02-03 Jason Merrill <jason@redhat.com>
9260
9261 PR c++/25979
9262 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9263
9264 PR middle-end/25977
9265 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9266 on the return slot if it's an NRV.
9267
9268 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9269
9270 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9271 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9272 rewrite_use): Do not handle USE_OUTER.
9273 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9274 add_iv_outer_candidates, may_replace_final_value,
9275 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9276 (find_interesting_uses_op): Functionality of
9277 find_interesting_uses_outer_or_nonlin moved here.
9278 (find_interesting_uses_outside): Use find_interesting_uses_op.
9279
9280 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9281
9282 PR target/25960
9283 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9284
9285 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9286 Ulrich Weigand <uweigand@de.ibm.com>
9287
9288 PR target/25864
9289 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9290 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9291 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9292 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9293 and dxr fields.
9294 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9295 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9296 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9297 Define secondary reloads for TFmode moves.
9298 (constant_modes): Add TFmode.
9299 (NR_C_MODES): Set to 8.
9300 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9301 builtin define.
9302 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9304 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9305 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9306 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9307 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9308 (FPR mode macro): Add TFmode.
9309 (DSF mode macro): New.
9310 (<de>, <dee> mode attributes): Removed.
9311 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9312 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9313 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9314 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9315 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9316 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9317 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9318 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9319 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9320 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9321 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9322 "*negabs<mode>2", "sqrt<mode>2"):
9323 Changed <de> to <xde>. R constraint replaced by <Rf>.
9324 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9325 <Rf>.
9326 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9327 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9328 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9329 splitters.
9330 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9331 "extenddftf2", "extendsftf2"): New expanders.
9332 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9333 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9334 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9335 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9336 New options.
9337 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9338 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9339 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9340 __floatditf): Add a GCC_4.1.0 symbol version tag.
9341 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9342 the new options.
9343
9344 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9345
9346 PR target/25377
9347 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9348 Use targetm.binds_local_p instead of TREE_PUBLIC.
9349
9350 2006-02-02 Roger Sayle <roger@eyesopen.com>
9351
9352 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9353 on INTEGER_TYPEs to indicate that it denotes a character type.
9354 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9355 signed_char_type_node, unsigned_char_type_node and char_type_node.
9356 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9357 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9358 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9359
9360 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9361 Daniel Berlin <dberlin@dberlin.org>
9362
9363 * tree-tailcall.c (arg_needs_copy_p): New function.
9364 (eliminate_tail_call): Use arg_needs_copy_p.
9365 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9366 (add_virtual_phis): New function.
9367
9368 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9369
9370 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9371 #ignore instead of #scratch for %g7 .register directive.
9372
9373 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9374
9375 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9376 object files.
9377
9378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9379
9380 * flow.c (calculate_global_regs_live): Assert that there aren't any
9381 EDGE_FAKE edges.
9382
9383 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9384
9385 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9386 what its name says.
9387 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9388 bsi_after_labels iterator.
9389 * tree-if-conv.c (find_phi_replacement_condition,
9390 replace_phi_with_cond_modify_expr): Likewise.
9391 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9392 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9393
9394 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9395
9396 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9397
9398 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9399
9400 PR 25990
9401 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9402 array after growing it.
9403
9404 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9405
9406 PR middle-end/24901
9407 * fold-const.c (fold_checksum_tree): Change type of buf.
9408
9409 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9410
9411 * reload.c (push_secondary_reload): Initialize t_icode.
9412
9413 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9414
9415 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9416 -msoft-float -mlong-double-128 only issue a warning, but don't
9417 swich to DFmode long double.
9418
9419 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9420
9421 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9422 has a constant equivalent, iterate over equivalents for arg0,
9423 calling simplify_relational_operation and if there's a result
9424 cheaper than X, apply fold_rtx and return the result.
9425
9426 2006-02-01 Jan Hubicka <jh@suse.cz>
9427
9428 * opts.c (no_unit_at_a_time_default): New global variable.
9429 (decode_options): Use it.
9430 * opts.h (no_unit_at_a_time_default): Declare.
9431
9432 2006-02-01 Paul Brook <paul@codesourcery.com>
9433
9434 * function.c (assign_parm_setup_reg): Use function argument promotion
9435 rules.
9436 * expr.c (expand_expr_real_1): Use function argument promotion rules
9437 for PARM_DECLs.
9438
9439 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9440
9441 * gcc.c (process_command): Change j to 'unsigned int'.
9442
9443 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9444
9445 PR middle-end/26001
9446 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9447 Use the corrected index for the character
9448 out of the string constant.
9449
9450 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9451
9452 * mode-switching.c (optimize_mode_switching): Fix size
9453 allocated for bb_info[n_entities].
9454
9455 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9456
9457 * gcc.c (main): Correct type that is allocated for
9458 explicit_link_files.
9459
9460 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9461
9462 * config/s390/s390.c (init_alignment_context): Set
9463 ALIAS_SET_MEMORY_BARRIER on the MEM.
9464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9465
9466 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9467
9468 PR middle-end/25933
9469 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9470 dom_bbs pointer.
9471 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9472 call to tpa_init.
9473
9474 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9475
9476 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9477 * regrename.c: Ditto.
9478 * tree-ssa-loop-im.c: Ditto.
9479 * tree-dump.c: Ditto.
9480 * tree-complex.c: Ditto.
9481 * genrecog.c: Ditto.
9482 * tree-ssa-threadupdate.c: Ditto.
9483 * tracer.c: Ditto.
9484 * java/class.c: Ditto.
9485 * java/jcf-parse.c: Ditto.
9486 * java/resource.c: Ditto.
9487 * java/except.c: Ditto.
9488 * java/jvspec.c: Ditto.
9489 * java/jcf-write.c: Ditto.
9490 * java/jcf-path.c: Ditto.
9491 * java/gjavah.c: Ditto.
9492 * java/zextract.c: Ditto.
9493 * java/jcf-io.c: Ditto.
9494 * java/jcf.h: Ditto.
9495 * java/buffer.c: Ditto.
9496 * java/lang.c: Ditto.
9497 * java/parse-scan.y: Ditto.
9498 * java/lex.c: Ditto.
9499 * java/lex.h: Ditto.
9500 * cfgloopmanip.c: Ditto.
9501 * postreload-gcse.c: Ditto.
9502 * tree-ssa-loop-manip.c: Ditto.
9503 * postreload.c: Ditto.
9504 * tree-ssa-loop-ch.c: Ditto.
9505 * loop.c: Ditto.
9506 * ipa-cp.c: Ditto.
9507 * cppspec.c: Ditto.
9508 * diagnostic.c: Ditto.
9509 * final.c: Ditto.
9510 * genoutput.c: Ditto.
9511 * gcc.c: Ditto.
9512 * cfghooks.c: Ditto.
9513 * cfgloopanal.c: Ditto.
9514 * objc/objc-act.c: Ditto.
9515 * gcov.c: Ditto.
9516 * genextract.c: Ditto.
9517 * genautomata.c: Ditto.
9518 * pretty-print.c: Ditto.
9519 * genemit.c: Ditto.
9520 * cgraphunit.c: Ditto.
9521 * flow.c: Ditto.
9522 * df-scan.c: Ditto.
9523 * haifa-sched.c: Ditto.
9524 * dominance.c: Ditto.
9525 * dbxout.c: Ditto.
9526 * tree-ssa-loop-ivopts.c: Ditto.
9527 * df-core.c: Ditto.
9528 * mode-switching.c: Ditto.
9529 * modulo-sched.c: Ditto.
9530 * graph.c: Ditto.
9531 * ipa-pure-const.c: Ditto.
9532 * cse.c: Ditto.
9533 * fix-header.c: Ditto.
9534 * web.c: Ditto.
9535 * tree-stdarg.c: Ditto.
9536 * ipa-utils.c: Ditto.
9537 * loop-init.c: Ditto.
9538 * ipa-inline.c: Ditto.
9539 * cfganal.c: Ditto.
9540 * global.c: Ditto.
9541 * alloc-pool.c: Ditto.
9542 * dwarf2out.c: Ditto.
9543 * opts.c: Ditto.
9544 * genattrtab.c: Ditto.
9545 * tree-ssa-loop-ivcanon.c: Ditto.
9546 * predict.c: Ditto.
9547 * timevar.c: Ditto.
9548 * lcm.c: Ditto.
9549 * fortran/gfortranspec.c: Ditto.
9550 * regmove.c: Ditto.
9551 * local-alloc.c: Ditto.
9552 * langhooks.c: Ditto.
9553 * function.c: Ditto.
9554 * tree-vectorizer.c: Ditto.
9555 * gcse.c: Ditto.
9556 * ipa-type-escape.c: Ditto.
9557 * alias.c: Ditto.
9558 * tree-if-conv.c: Ditto.
9559 * profile.c: Ditto.
9560 * ipa.c: Ditto.
9561 * tree-data-ref.c: Ditto.
9562 * loop-unroll.c: Ditto.
9563 * treelang/treetree.c: Ditto.
9564 * calls.c: Ditto.
9565 * bt-load.c: Ditto.
9566 * ggc-common.c: Ditto.
9567 * except.c: Ditto.
9568 * coverage.c: Ditto.
9569 * cselib.c: Ditto.
9570 * tree-cfgcleanup.c: Ditto.
9571 * tree-ssa-pre.c: Ditto.
9572 * cfgcleanup.c: Ditto.
9573 * loop-invariant.c: Ditto.
9574 * loop-iv.c: Ditto.
9575 * ipa-prop.c: Ditto.
9576 * print-tree.c: Ditto.
9577 * conflict.c: Ditto.
9578 * ggc-page.c: Ditto.
9579 * sched-deps.c: Ditto.
9580 * regclass.c: Ditto.
9581 * tree-object-size.c: Ditto.
9582 * combine.c: Ditto.
9583 * bb-reorder.c: Ditto.
9584 * resource.c: Ditto.
9585 * var-tracking.c: Ditto.
9586 * cfgloop.c: Ditto.
9587 * df-problems.c: Ditto.
9588 * reg-stack.c: Ditto.
9589 * tlink.c: Ditto.
9590 * gccspec.c: Ditto.
9591 * sched-rgn.c: Ditto.
9592 * tree-ssa-structalias.c: Ditto.
9593 * tree-ssa-reassoc.c: Ditto.
9594 * config/darwin-c.c: Ditto.
9595 * config/darwin.c: Ditto.
9596 * config/arm/arm.c: Ditto.
9597 * cfgrtl.c: Ditto.
9598 * collect2.c: Ditto.
9599 * reload1.c: Ditto.
9600
9601 2006-01-31 Nicolas Pitre <nico@cam.org>
9602
9603 * arm.md (smaxsi3): Make aware of smax_m1.
9604 (smax_m1): New.
9605
9606 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9607
9608 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9609
9610 2006-01-31 Richard Guenther <rguenther@suse.de>
9611
9612 * doc/invoke.texi (-msselibm): Document.
9613 * target.h (expand_library_builtin): New target hook.
9614 * builtins.c (expand_builtin): Use expand_library_builtin.
9615 (default_expand_library_builtin): New function.
9616 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9617 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9618 (link_gcc_math_spec): Declare.
9619 (static_specs): Add link_gcc_math_spec.
9620 * expr.h (default_expand_library_builtin): Declare.
9621 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9622 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9623 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9624 * config/i386/i386.opt (msselibm): New target option.
9625 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9626 (ix86_init_sse_abi_builtins): New function.
9627 (ix86_expand_library_builtin): Likewise.
9628 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9629 (override_options): Handle error conditions wrt -msselibm.
9630 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9631 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9632 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9633 builtins.
9634
9635 2006-01-31 Richard Guenther <rguenther@suse.de>
9636 Paolo Bonzini <bonzini@gnu.org>
9637
9638 * doc/install.texi (--disable-libgcc-math): Document.
9639
9640 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9641
9642 * expr.h (expand_normal): new inline function.
9643 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9644 * dojump.c: use it.
9645 * dwarf2out.c: use it.
9646 * expr.c: use it.
9647 * calls.c: use it.
9648 * expmed.c: use it.
9649 * except.c: use it.
9650 * config/sparc/sparc.c: use it.
9651 * config/i386/i386.c: use it.
9652 * config/rs6000/rs6000.c: use it.
9653 * config/arm/arm.c: use it.
9654 * config/mips/mips.c: use it.
9655 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9656
9657 2006-01-30 Roger Sayle <roger@eyesopen.com>
9658
9659 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9660 argv to the appropriate type.
9661
9662 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9663
9664 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9665 unreachable code.
9666
9667 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9668
9669 PR target/26018
9670 * config/s390/s390.c (struct machine_function): New flag
9671 decomposed_literal_pool_addresses_ok_p.
9672 (s390_reorg): Set it before final stage of literal pool transforms.
9673 (s390_decompose_address): Only accept displacements of the form
9674 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9675
9676 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9677
9678 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9679 the comparison routine return.
9680
9681 2006-01-30 Michael Matz <matz@suse.de>
9682
9683 * global.c (find_reg): Only evict for global regs.
9684 Take n_refs into account and dump more info.
9685
9686 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9687
9688 PR target/14798:
9689 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9690 (pragma_trap, pragma_nosave_low_regs): Likewise.
9691 (current_function_anonymous_args): Likewise.
9692 (sh_deferred_function_attributes): New variable.
9693 (sh_deferred_function_attributes_tail): Likewise.
9694 (print_operand): For '@', look up trap_exit attribute.
9695 (calc_live_regs): Look up trapa_handler attribute. For trapa
9696 handlers, save/restore fpscr, but don't do any other
9697 interrupt-specific saves.
9698 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9699 Fix check for partially saved registers to check for SHmedia.
9700 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9701 (sh_output_function_epilogue): Don't clear any of the removed
9702 variables.
9703 (sh_insert_attributes): Don't check pragma_interrupt.
9704 Insert deferred attributes. Check that interrupt attribute is
9705 present for other attributes that require its presence.
9706 (sh_attribute_table): Add new attributes trapa_handler and
9707 nosave_low_regs.
9708 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9709 Don't check for pragma_interrupt. Don't store argument.
9710 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9711 (sh_deferred_function_attributes): Declare.
9712 (sh_deferred_function_attributes_tail): Likewise.
9713 * sh.md (sp_switch_1): Add operand. Change generator caller.
9714 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9715 (*return_i): Don't use when trap_exit attribute is in effect.
9716 (*return_trapa): New insn pattern.
9717 * sh-c.c: New file.
9718 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9719 setting c_target_objs and cxx_target_objs.
9720 * t-sh: Add rule for sh-c.o.
9721
9722 2006-01-30 Richard Guenther <rguenther@suse.de>
9723
9724 PR c++/23372
9725 * gimplify.c (gimplify_target_expr): Handle easy cases
9726 without creating a temporary.
9727
9728 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9729
9730 * vec.h (safe_grow): Remove duplicated line.
9731
9732 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9733
9734 PR 25874
9735 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9736 (expand_omp): ... here.
9737 (expand_omp_parallel): Only remove barriers for combined
9738 parallel+workshare constructs.
9739
9740 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9741
9742 Revert
9743
9744 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9745 * tree.c (build_qualified_type): Chain the new type to the original
9746 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9747 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9748 (build_pointer_type_for_mode): Only return unqualified types.
9749 (build_reference_type_for_mode): Likewise.
9750
9751 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9752
9753 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9754 * Makefile.in (CXX_COMPAT_WARN): Define.
9755 * configure: Regenerate.
9756
9757 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9758
9759 PR tree-opt/25911
9760 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9761 to an if check.
9762
9763 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9764
9765 * toplev.c: Fix thinko.
9766
9767 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9768 Marcin Dalecki <martin@dalecki.de>
9769
9770 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9771 (push_srcloc): Use XNEW.
9772 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9773
9774 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9775
9776 * df-core.c (df_set_blocks): Deleted all variable.
9777
9778 2006-01-28 Ian Lance Taylor <ian@airs.com>
9779
9780 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9781 cgraph_output_pending_asms.
9782
9783 2006-01-28 Zack Weinberg <zackw@panix.com>
9784
9785 * c.opt: Add -W(no-)overlength-strings.
9786 * doc/invoke.texi: Document it.
9787 * c-opts.c (c_common_handle_option): -pedantic implies
9788 -Woverlength-strings, if not explicitly disabled already.
9789 (c_common_post_options): -Woverlength-strings defaults to off, and
9790 is always off for C++.
9791 * c-common.c (fix_string_type): Issue warning about strings longer
9792 than is portable only if warn_overlength_strings. Rearrange code
9793 a little for clarity.
9794 * configure.in: Check for -Wno-overlength-strings as well before
9795 enabling -pedantic in stage 1.
9796 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9797 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9798
9799 * genconditions.c (write_header, write_one_condition)
9800 (write_conditions, write_writer): Consolidate very long strings
9801 that were broken up to fit in C89 portable limit. Don't use
9802 printf when fputs will do.
9803
9804 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9805
9806 * combine.c (simplify_comparison <AND>): Check
9807 TRULY_NOOP_TRUNCATION before start using a subreg.
9808
9809 * config/mips/mips.md (*branch_zero<mode>,
9810 *branch_zero<mode>_inverted, *branch_equality<mode>,
9811 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9812 Remove mode check from comparisons.
9813
9814 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9815
9816 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9817
9818 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9819
9820 * expmed.c (const_mult_add_overflow_p): Remove.
9821 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9822
9823 * recog.c (validate_replace_rtx_subexp): Remove.
9824 * recog.h: Remove the prototype for
9825 validate_replace_rtx_subexp.
9826
9827 * integrate.h: Remove the prototype for
9828 copy_decl_for_inlining.
9829 * rtl.h: Remove the prototype for mark_constant_function.
9830 * tree-vectorizer.h: Remove the prototype for
9831 vect_strip_conversion.
9832
9833 * modulo-sched.c (create_partial_schedule,
9834 free_partial_schedule, reset_partial_schedule): Make them
9835 static.
9836
9837 * hooks.c (hook_bool_rtx_int_false): Remove.
9838 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9839
9840 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9841
9842 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9843 and -mlong-double-128 are incompatible.
9844 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9845 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9846 (TARGET_LIBGCC2_CFLAGS): Define.
9847 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9848 (TARGET_LIBGCC2_CFLAGS): Same.
9849 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9850
9851 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9852
9853 PR c/19606.
9854 * c-typeck.c (build_binary_op): Perform implicit casts of
9855 operands before shortening them.
9856
9857 * cfgloopmanip.c (split_loop_bb): Remove.
9858 * cfgloop.h: Remove the prototype for split_loop_bb.
9859
9860 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9861 * cfgloop.h: Remove the prototype for
9862 flow_loop_outside_edge_p.
9863
9864 * emit-rtl.c (init_virtual_regs): Make it static.
9865 * function.h: Remove the prototype for init_virtual_regs.
9866
9867 * recog.c (peephole2_optimize): Make it static.
9868 * recog.h: Remove the prototype for peephole2_optimize.
9869
9870 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9871
9872 * df-scan.c (df_record_entry_block_defs): Check if
9873 INCOMING_RETURN_ADDR_RTX is defined.
9874
9875 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9876 Kenneth Zadeck <zadeck@naturalbridge.com>
9877
9878 PR rtl-optimization/24762
9879 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9880 * targhooks.c (hook_void_bitmap): New hook prototype.
9881 * targhoohs.h (hook_void_bitmap): Ditto.
9882 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9883 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9884 * target.h (live_on_entry): New function pointer.
9885 * df-scan.c (df_all_hard_regs): Removed.
9886 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9887 (df_scan_free_internal): Added df->entry_block_defs.
9888 (df_scan_alloc): Ditto.
9889 (df_scan_dump): Ditto.
9890 (df_uses_record): Plumbed flag field properly thru calls.
9891 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9892 This part fixes PR24762.
9893 (df_bb_refs_record): Added code to make the frame and arg
9894 pointers live in EH blocks.
9895 (df_refs_record): Added call to df_record_entry_block_defs.
9896 (df_record_entry_block_defs): New function.
9897 * df-core.c: Added comments to describe new artifical defs.
9898 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9899 (entry_block_defs): New field in struct df.
9900 (df_all_hard_regs): Deleted.
9901 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9902 * df-problems.c (df_ru_bb_local_compute_process_def):
9903 Added code to handle artifical defs in the entry to a function.
9904 (df_ru_bb_local_compute): Ditto.
9905 (df_rd_bb_local_compute_process_def): Ditto.
9906 (df_rd_bb_local_compute): Ditto.
9907 (df_lr_bb_local_compute): Ditto.
9908 (df_ur_bb_local_compute): Ditto.
9909 (df_urec_bb_local_compute): Ditto.
9910 (df_chain_create_bb): Ditto.
9911 (df_ur_local_finalize): Removed entry.
9912 (df_urec_init): Ditto.
9913 (df_urec_local_finalize): Ditto.
9914 (df_ri_bb_compute): Added detection of last use of pseudos.
9915 * Makefile.in (df-scan.o): Updated dependencies.
9916 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9917 * config/mips/mips.c (mips_set_live_on_entry): Added.
9918 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9919 for target hook.
9920 * dce.c (marked_insn_p): Added code to handle artifical defs.
9921
9922 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9923
9924 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9925 intrinsic.
9926 (_mm_cvtsi128_si64): Likewise.
9927 (_mm_cvtsd_si64): Likewise.
9928 (_mm_cvttsd_si64): Likewise.
9929 (_mm_cvtsi64_sd): Likewise.
9930 (_mm_cvtsi64_si128): Likewise.
9931 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9932 (_mm_cvtsi64_m64): Likewise.
9933 (_m_to_int64): Likewise.
9934 (_mm_cvtm64_si64): Likewise.
9935 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9936 (_mm_cvttss_si64): Likewise.
9937 (_mm_cvtsi64_ss): Likewise.
9938 (_mm_cvtss_f32): Likewise.
9939
9940 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9941
9942 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9943 for pragma redefine_extname.
9944
9945 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9946
9947 PR target/25864
9948 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9949 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9950 -mno-minimal-toc to previous content.
9951 (bispecs): Remove goal.
9952 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9953 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9954 compatibility aliases on powerpc-*-*gnu*.
9955 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9956 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9957 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9958 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9959 (ldblspecs): New goal.
9960 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9961 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9962 _df_to_tf.
9963 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9964 L_sf_to_tf or L_df_to_tf is defined.
9965
9966 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9967 Alan Modra <amodra@bigpond.net.au>
9968
9969 PR target/25864
9970 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9971 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9972 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9973 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9974 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9975 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9976 (rs6000_override_options): Initialize rs6000_ieeequad.
9977 Initialize TFmode format to ibm_extended_format if not
9978 TARGET_IEEEQUAD.
9979 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9980 ieeelongdouble.
9981 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9982 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9983 (function_arg_advance): IBM long double passed in two FPRs, not
9984 split.
9985 (function_arg): IBM long double passed in FPRs.
9986 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9987 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9988 Only multireg GPR aligned.
9989 (rs6000_init_libfuncs): Enable IBM long double functions if not
9990 IEEEQUAD.
9991 (rs6000_generate_compare): Use IBM long double compare if not
9992 TARGET_IEEEQUAD.
9993 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9994 (TARGET_IEEEQUAD): Define.
9995 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9996 not TARGET_IEEEQUAD.
9997 * config/rs6000/rs6000.md: Enable TFmode patterns if
9998 !TARGET_IEEEQUAD.
9999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10000 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10001 and -mlong-double-128 are incompatible.
10002 * doc/invoke.texi (-mabi): Collect options together. Add
10003 ibmlongdouble and ieeelongdouble.
10004
10005 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10006
10007 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10008 opaque type.
10009 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10010 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10011 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10012 * rtl.h (rtunion_def): Remove rt_ptr.
10013 (X0PTR): Delete.
10014 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10015 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10016 * config/i386/winnt.c (i386_pe_mark_dllexport)
10017 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10018
10019 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10020
10021 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10022
10023 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10024
10025 PR other/24829
10026 PR target/24831
10027 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10028 pthread_key_delete. From John David Anglin. gthrw-ify
10029 pthread_getunique_np only if it it's not a macro. Delete
10030 UNUSED macro.
10031 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10032 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10033 __gthread_objc_condition_signal, __gthread_key_delete): Add
10034 "__attribute__ ((__unused__))" to unused arguments.
10035 (__gthread_recursive_mutex_init_function): Add missing return.
10036 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10037 gthr-posix95.h: Use macro-based approach for name redirection
10038 on targets missing weakref.
10039
10040 2006-01-26 Zack Weinberg <zackw@panix.com>
10041
10042 * genconditions.c (write_header): In generated code, #ifdef out
10043 all includes and fake declarations, except includes of bconfig.h
10044 and system.h, unless GCC_VERSION >= 3001. Do not include
10045 gensupport.h in any case.
10046 (write_conditions): Generate a definition of struct c_test. Add
10047 a comment to the generated #endif.
10048 (write_one_condition): Escape backslashes in string too.
10049 (write_writer): Generated code must escape backslashes and quote
10050 marks (but not newlines) in the strings it writes.
10051 * Makefile.in (build/gencondmd.o): Update dependencies.
10052
10053 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10054
10055 PR target/25961
10056 * Makefile.in (insn-automata.o): Add header file dependencies.
10057 * genautomata.c: Add includes.
10058
10059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10060
10061 PR target/25961
10062 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10063
10064 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10065
10066 * configure.ac: Expect target tools paths to be passed from the toplevel
10067 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10068 AS_SET_VAR_IF.
10069 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10070
10071 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10072
10073 PR c/25892
10074 * c.opt (Wpointer-sign): Init to -1.
10075 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10076 OPT_pedantic, to 0 otherwise.
10077 * doc/invoke.texi: Update.
10078
10079 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10080
10081 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10082 constants provided by 80387 instructions in the destination mode.
10083
10084 2006-01-26 Richard Guenther <rguenther@suse.de>
10085 Andrew Pinski <pinskia@physics.uc.edu>
10086
10087 PR tree-opt/21470
10088 partial PR tree-opt/17064
10089 * tree-ssa-structalias.c (intra_create_variable_infos):
10090 Create heap variables for incoming parameters if
10091 flag_argument_noalias > 1.
10092 (find_what_p_points_to): Look through default defs of
10093 parameter decls.
10094
10095 2006-01-26 Jeff Law <law@redhat.com>
10096
10097 PR ada/25900
10098 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10099 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10100 within the VR_RANGE, use the VR_RANGE as the result, not the
10101 VR_ANTI_RANGE.
10102 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10103 bounds for the type.
10104
10105 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10106
10107 * tree-ssa-alias.c (maybe_create_global_var): Change
10108 subvar walking to an assertion that we don't have subvar'd variables.
10109
10110 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10111
10112 PR C/25861
10113 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10114 Use a new variable, inner. PARM_DECLs are always non-weak.
10115
10116 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10117
10118 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10119 --disable-checking.
10120
10121 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10122
10123 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10124
10125 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10126
10127 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10128 (smax_insn, smin_insn, smax_0, smin_0): New.
10129
10130 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10131
10132 PR target/25947
10133 * config/cris/cris.c (cris_order_for_addsi3): New function.
10134 * config/cris/cris-protos.h: Prototype it.
10135 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10136 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10137 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10138 (split for "op.S1 [rx=rx+i],ry (swapped)")
10139 (split for "op(s|u).S1 [rx=rx+i],ry")
10140 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10141 Apply cris_order_for_addsi3 when generating addsi3 insns.
10142
10143 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10144
10145 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10146 (TREE_BLOCK): Add call to EXPR_CHECK.
10147
10148 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10149
10150 PR 25886
10151 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10152 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10153 (dump_omp_clauses): ... here.
10154 (dump_generic_node): Handle OMP_CLAUSE.
10155 * tree.c (omp_clause_num_ops): New.
10156 (omp_clause_code_name): New.
10157 (tree_code_size): Handle OMP_CLAUSE.
10158 (tree_size): Likewise.
10159 (make_node): Document handling of OMP_CLAUSE.
10160 (tree_node_structure): Handle OMP_CLAUSE.
10161 (omp_clause_check_failed): New.
10162 (omp_clause_range_check_failed): New.
10163 (omp_clause_operand_check_failed): New.
10164 (build_omp_clause): New.
10165 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10166 * tree.h (enum omp_clause_code): Declare.
10167 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10168 (OMP_CLAUSE_RANGE_CHECK): Define.
10169 (OMP_CLAUSE_ELT_CHECK): Define.
10170 (omp_clause_check_failed): Declare.
10171 (omp_clause_operand_check_failed): Declare.
10172 (omp_clause_range_check_failed): Declare.
10173 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10174 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10175 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10176 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10177 (OMP_CLAUSE_IF_EXPR): Likewise.
10178 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10179 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10180 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10181 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10182 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10183 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10184 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10185 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10186 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10187 (OMP_CLAUSE_CODE): Define.
10188 (OMP_CLAUSE_SET_CODE): Define.
10189 (OMP_CLAUSE_CODE): Define.
10190 (OMP_CLAUSE_OPERAND): Define.
10191 (struct tree_omp_clause): Declare.
10192 (union tree_node): Add field 'omp_clause'.
10193 * treestruct.def (TS_OMP_CLAUSE): Define.
10194 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10195 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10196 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10197 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10198 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10199 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10200 (OMP_CLAUSE): Define.
10201 * print-tree.c (print_node): Handle OMP_CLAUSE.
10202 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10203 * c-typeck.c: Likewise.
10204 * gimplify.c: Likewise.
10205 * c-omp.c: Likewise.
10206 * tree-nested.c: Likewise.
10207 * tree-inline.c: Likewise.
10208 * c-parser.c: Likewise.
10209 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10210 clauses.
10211
10212 2006-01-25 Roger Sayle <roger@eyesopen.com>
10213
10214 PR rtl-optimization/25703
10215 * combine.c (try_combine): Handle zero_extract and strict_low_part
10216 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10217
10218 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10219
10220 * global.c: Fix comment typos.
10221
10222 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10223
10224 PR target/25758
10225 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10226 Use output_addr_const instead of assemble_name.
10227
10228 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10229
10230 * Makefile.in (sched-vis.o): Update dependencies.
10231 * haifa-sched.c (sched_finish): Clear current_sched_info.
10232 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10233 (dump_flow_info): Call it.
10234 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10235 a slim RTL dump.
10236 * basic-block.h (dump_bb_info): Declare.
10237 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10238 option, and apply options only for dump files whose TDF_RTL,
10239 TDF_TREE, or TDF_IPA bits match.
10240 * rtl.h: Declare new functions exported from sched-vis.c.
10241 * sched-vis.c: Enable also if scheduling is not used.
10242 (print_value): Print the mode of registers if not inside scheduling.
10243 (print_insn): Make it work outside the scheduler. Beautify the output
10244 a bit.
10245 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10246
10247 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10248
10249 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10250 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10251 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10252 depending on the value of CONSTANT_POOL_ADDRESS_P.
10253 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10254 SYMBOL_REF_DECL.
10255 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10256 rather than SYMBOL_REF_DECL.
10257 (rtx_constant_pool): Remove const_rtx_sym_htab.
10258 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10259 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10260 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10261 Remove handling of const_rtx_sym_htab.
10262 (find_pool_constant): Delete.
10263 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10264 rather than find_pool_constant.
10265 (get_pool_constant_for_function): Delete.
10266 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10267 find_pool_constant.
10268 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10269 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10270 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10271 (SYMBOL_REF_CONSTANT): New macro.
10272 (get_pool_constant_for_function): Delete.
10273 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10274 rather than SYMBOL_REF_DECL.
10275 (i386_pe_mark_dllimport): Likewise.
10276 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10277 rather than SYMBOL_REF_DECL.
10278 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10279 (machopic_indirect_call_target): Likewise.
10280
10281 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10282
10283 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10284
10285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10286
10287 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10288
10289 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10290
10291 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10292
10293 2006-01-24 David Daney <ddaney@avtrex.com>
10294
10295 PR java/25816
10296 * configure.ac (enable_tls): New enable option.
10297 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10298 * configure: Regenerate.
10299 * doc/install.texi (--enable-tls): Document new option.
10300 (--disable-tls): Ditto.
10301
10302 2006-01-24 Richard Henderson <rth@redehat.com>
10303
10304 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10305 * alias.c (true_dependence): Respect it.
10306 (canon_true_dependence, write_dependence_p): Likewise.
10307 * builtins.c (get_builtin_sync_mem): Set it.
10308
10309 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10310
10311 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10312 efficient way.
10313
10314 2006-01-24 DJ Delorie <dj@redhat.com>
10315
10316 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10317 for storing constants in single-bit bitfields.
10318
10319 2006-01-25 Ben Elliston <bje@au.ibm.com>
10320
10321 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10322
10323 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10324
10325 PR tree-opt/25860
10326 * tree-ssa-pre.c (phi_translate): Return NULL
10327 for AGGREGATE_TYPE's.
10328
10329 2006-01-24 Zack Weinberg <zackw@panix.com>
10330
10331 * genautomata.c (process_state_for_insn_equiv_partition):
10332 Use xcalloc for insn_arcs_array.
10333 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10334 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10335
10336 2006-01-24 Richard Henderson <rth@redhat.com>
10337
10338 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10339 update all callers.
10340
10341 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10342
10343 PR rtl-optimization/25890
10344 PR rtl-optimization/25905
10345 * combine.c (expand_compound_operation, expand_field_assignment):
10346 Fail if the bitfield's final position is out of bounds.
10347
10348 2006-01-24 Ian Lance Taylor <ian@airs.com>
10349
10350 PR middle-end/25930
10351 * cgraphunit.c (cgraph_output_in_order): Don't clear
10352 cgraph_asm_nodes until after asm strings have been output.
10353
10354 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10355
10356 * fix-header.c (read_scan_file): Add new parameter imultilib when
10357 calling register_include_chains.
10358
10359 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10360
10361 * omp-low.c: Update documentation.
10362
10363 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10364 Daniel Berlin <dberlin@dberlin.org>
10365
10366 PR tree-opt/25315
10367 PR tree-opt/25857
10368 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10369 return from the function.
10370
10371 2006-01-22 Zack Weinberg <zackw@panix.com>
10372
10373 * rtl.def (match_code): Add second argument.
10374 * genpreds.c (write_extract_subexp): New function.
10375 (write_match_code): Add path argument. Use write_extract_subexp.
10376 (write_predicate_expr): Pass path to write_match_code.
10377 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10378 not perform a mode test.
10379 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10380 a subexpression does not constrain the top-level code set.
10381 * read-rtl.c (read_rtx_variadic): New function.
10382 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10383 * doc/md.texi: Document new notation.
10384 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10385 (cmpsi_operand): ... here, using new notation.
10386
10387 2006-01-22 Zack Weinberg <zackw@panix.com>
10388
10389 * varray.c: Remove GENERATOR_FILE #ifdefs.
10390
10391 2006-01-22 Zack Weinberg <zackw@panix.com>
10392
10393 * genautomata.c (output_reserved_units_table): Emit nothing if
10394 description->query_units_num is zero. Remove extra blank line.
10395 (output_cpu_unit_reservation_p): Short circuit
10396 if description->query_units_num is zero.
10397
10398 2006-01-22 Zack Weinberg <zackw@panix.com>
10399
10400 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10401 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10402 nor any of the random handful of variables that used to be necessary
10403 when this program was linked with rtlanal.o. Prune set of forward
10404 function declarations.
10405 (struct attr_desc): Remove static_p field.
10406 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10407 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10408 (attr_string): Do not read the character one past the length of
10409 the string.
10410 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10411 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10412 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10413 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10414 (make_automaton_attrs): New.
10415 (main): Do not call into genautomata. Call local gen_bypass
10416 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10417 Remove special case for insn_alts.
10418 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10419 varray.h (leftover from previous change). Prune set of forward
10420 function declarations. Remove state_alts fields from all
10421 structures. Remove state_alts_table from struct automaton.
10422 Make everything except main static. Do not maintain num_dfa_decls.
10423 Do not maintain state_alts fields of various structures.
10424 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10425 (add_arc): Remove state_alts argument. All callers updated.
10426 (output_reserved_units_table): Emit #ifdef here...
10427 (output_tables): ...not here. Don't generate state_alts tables.
10428 (expand_automata): Don't generate attributes.
10429 (write_automata): Don't generate state_alts functions.
10430 (main): New function.
10431 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10432 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10433 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10434 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10435 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10436 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10437 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10438 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10439 Delete.
10440 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10441 * genattrtab.h: Delete file.
10442 * Makefile.in (OBJS-common): Add insn-automata.o.
10443 (insn-automata.o): New rule.
10444 (simple_generated_c): Add insn-automata.c.
10445 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10446 (genprogmd): Add automata.
10447 (build/genattrtab): Needs no extra objects nor libraries.
10448 (build/genautomata): Needs build/vec.o and -lm.
10449
10450 2006-01-22 Zack Weinberg <zackw@panix.com>
10451
10452 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10453 (output_dfa_max_issue_rate, locked_states_num): Delete.
10454 (struct automaton): Add locked_states field.
10455 (output_dead_lock_vect): Save number of locked states in
10456 automaton->locked_states. If it is zero, don't print anything.
10457 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10458 (output_internal_dead_lock_func): Only test the dead_lock_vect
10459 for automata that have locked states.
10460 (output_statistics): Always print the number of locked states for
10461 each automaton. Calculate total number of locked states here.
10462 (write_automata): Don't call output_dfa_max_issue_rate.
10463 * genattrtab.c: Define length_unit_log as a const variable.
10464 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10465 max_insn_queue_index const.
10466 * final.c (length_unit_log): Declare const.
10467 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10468
10469 2006-01-22 Zack Weinberg <zackw@panix.com>
10470
10471 * genautomata.c: Include vec.h, not varray.h.
10472 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10473 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10474 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10475 VEC_* macros operating on appropriately typed vectors, or to
10476 malloced arrays when the size is known in advance. Const-ify
10477 many char* variables and function arguments. No functional changes.
10478 * Makefile.in (build/varray.o): Delete rule.
10479 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10480 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10481
10482 2006-01-22 Zack Weinberg <zackw@panix.com>
10483
10484 * gensupport.c: Define get_insn_name and record_insn_name here.
10485 (read_md_rtx): Call record_insn_name as appropriate.
10486 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10487 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10488 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10489 record_insn_name.
10490 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10491 (BUILD_VARRAY): Delete.
10492 (genprognormal): Rename genprogmd. Fold in all programs from
10493 genprognoprint; also attrtab.
10494 (build/genattrtab): Just mention genautomata.o and varray.o.
10495 Reorganize a bit, add comments to make the categories clearer.
10496
10497 2006-01-22 Zack Weinberg <zackw@panix.com>
10498
10499 * genconditions.c (condition_table, add_condition): Delete.
10500 (write_conditions): Don't emit n_insn_conditions nor
10501 insn_elision_unavailable. Issue the gcc version #ifdef here,
10502 inside the table, with no #else clause ...
10503 (write_header): ...not here.
10504 (write_writer): New function.
10505 (main): Don't initialize condition_table. Use add_c_test.
10506 Call write_writer.
10507 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10508 files on the command line.
10509 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10510 Return -1 if there is no entry in the table, don't abort.
10511 (add_c_test, traverse_c_tests): New functions.
10512 * gensupport.h (insn_elision_unavailable, insn_conditions)
10513 (n_insn_conditions): Delete declarations.
10514 (add_c_test, traverse_c_tests): Declare.
10515 * read-rtl.c: Include gensupport.h.
10516 (read_conditions): New function.
10517 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10518 (read_rtx_1): If we get EOF when we were looking for an initial
10519 open paren, return 0. Call read_conditions when appropriate.
10520 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10521 dummy-conditions.o. Eliminate references to insn-conditions.o,
10522 or change them to build/gencondmd.o, as appropriate. Remove
10523 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10524 from $(simple_generated_c). For all files remaining in those
10525 two lists, add insn-conditions.md to the generator command line.
10526 Give insn-constants.h/s-constants their own rules. Add rules
10527 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10528 (build/read-rtl.o): Depend on gensupport.h.
10529 (genprognormal): Include preds.
10530 (genprogearly): Rename genprognoprint; only difference is now that
10531 they don't link with $(BUILD_PRINT).
10532 * dummy-conditions.c: Delete.
10533
10534 2006-01-22 Zack Weinberg <zackw@panix.com>
10535
10536 * genextract.c: Don't include insn-config.h. Do include vec.h.
10537 Declare vectors of int, char, and locstr.
10538 (locstr): New typedef.
10539 (struct extraction): Make all array fields into bare pointers.
10540 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10541 (insn_code_number): Delete.
10542 (accum_extract): New struct.
10543 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10544 (gen_insn): Take insn_code_number as an argument. Use an
10545 accum_extract structure instead of loading data directly into
10546 a struct extraction, and having to know how big it might get.
10547 (walk_rtx): Operate entirely on an accum_extract structure.
10548 (print_path): Avoid unnecessary use of printf.
10549 (print_header): New function, split out of main. Distinguish
10550 more carefully between an unrecognizable insn and an insn that
10551 has the code number of a define_expand.
10552 (main): Pass insn_code_number to gen_insn. Call print_header
10553 only after parsing. Avoid unnecessary use of printf.
10554 * Makefile.in (build/vec.o): New rule.
10555 (build/genextract): Depend on build/vec.o.
10556 (build/genextract.o): Don't depend on insn-config.h.
10557
10558 2006-01-22 Zack Weinberg <zackw@panix.com>
10559
10560 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10561 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10562 practical. Eliminate per-generator-program link rules.
10563
10564 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10565
10566 PR middle-end/24437
10567 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10568 with a call expr to ...
10569 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10570
10571 2006-01-23 Richard Guenther <rguenther@suse.de>
10572
10573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10574 before make_edge with conditional EDGE_TRUE_VALUE.
10575
10576 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10577 Jan Hubicka <jh@suse.cz>
10578 Richard Guenther <rguenther@suse.de>
10579
10580 PR rtl-optimization/25654
10581 * cfgexpand.c (aggregate_contains_union_type): New function.
10582 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10583 for structure variables that contain a union type.
10584
10585 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10586
10587 * gengtype.c (new_structure): Return the structure.
10588 (create_option): Add an extra "next" argument.
10589 (create_field): New function.
10590 (adjust_field_rtx_def): Use create_option and create_field.
10591 Remove a now-unnecessary call to find_structure.
10592 (adjust_field_tree_def): Likewise.
10593 (note_yacc_type): Remove an unnecessary call to find_structure.
10594 * gengtype.h (new_structure): Return the structure.
10595 (create_option): Add an extra argument.
10596 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10597 (option): Adjust calls to create_option.
10598
10599 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10600
10601 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10602
10603 2006-01-22 Paul Brook <paul@codesourcery.com>
10604 Peter Barada <peter@the-baradas.com>
10605
10606 * config/m68k/m68k.md: Add Coldfire FPU support.
10607 Define FP mode macro and associated attributes.
10608 Use it for float mode patterns.
10609 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10610 (LIBCALL_VALUE): Use m68k_libcall_value.
10611 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10612 (m68k_function_value): Ditto.
10613 (emit_move_sequence): Ditto.
10614 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10615 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10616 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10617 (MULTILIB_EXCEPTIONS): Ditto.
10618 * config/m68k/m68k.opt: Add mcfv4e.
10619 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10620 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10621 (m68k_output_function_prologue): Save ColdFire FPU registers.
10622 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10623 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10624 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10625 ColdFire FPU registers.
10626 (m68k_libcall_value, m68k_function_value): New functions.
10627 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10628 (LIBCALL_VALUE): Use m68k_libcall_value.
10629 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10630 (MASK_COLDFIRE): Add MASK_CFV4E.
10631 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10632 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10633 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10634 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10635 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10636 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10637 * doc/invoke.tex: Document -mcfv4e on m68k.
10638
10639 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10640
10641 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10642 URL.
10643
10644 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10645
10646 PR c++/16190
10647 * c-opts.c (c_common_handle_option): Don't include
10648 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10649 * doc/invoke.texi (C++ Dialect Options): Document that
10650 -Wnon-virtual-dtor is no longer included in -Wall.
10651
10652 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10653
10654 * gcov.c (print_version), gcov-dump.c (print_version),
10655 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10656 dates.
10657
10658 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10659
10660 * df-scan.c (problem_SCAN): Added NULL reset function.
10661 (df_scan_reset_blocks): Added code to call reset block function
10662 (df_bb_refs_delete) Fixed comment.
10663 (df_insn_refs_delete): Made tolerant of deleting non existent info
10664 for dataflow problems that need to be reset.
10665 * df-core.c (df_set_blocks): Ditto.
10666 * df.h (struct df_problem): Added reset_fun.
10667 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10668 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10669 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10670 functions to clear out all references to def-use or use-def chains.
10671
10672 2006-01-21 Ben Elliston <bje@au.ibm.com>
10673
10674 * varasm.c (assemble_real): Initialise data array.
10675
10676 2006-01-20 Paul Brook <paul@codesourcery.com>
10677
10678 Merge from csl-arm-branch.
10679 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10680 * config/arm/arm.md (movdi): Force operands[1] to a register
10681 if we have a non-register source.
10682 (*arm_movdi, *movdf_soft_insn): Require that one of the
10683 operands be a register.
10684 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10685 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10686
10687 2006-01-20 DJ Delorie <dj@redhat.com>
10688
10689 * varasm.c (initializer_constant_valid_p): Allow pointers
10690 initialized from integer constants of lesser precision.
10691 (output_constant): Allow non-int-sized pointer modes to be
10692 initialized from integer constants.
10693
10694 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10695
10696 PR libstdc++/25524
10697 * cppdefault.h (struct default_include): Add multilib flag.
10698 * cppdefault.c (cpp_include_defaults): Set it.
10699 * c.opt (-imultilib): New option.
10700 * c-opts.c (imultilib): New.
10701 (c_common_handle_option): Handle -imultilib.
10702 (c_common_post_options): Likewise.
10703 * c-incpath.c (add_standard_paths, register_include_chains):
10704 Likewise.
10705 * c-incpath.h (register_include_chains): Add extra parameter.
10706 * gcc.c (do_spec_1): Generate -imultilib option.
10707 (The Specs Language): Update %I description.
10708 (process_command): Update copyright notice.
10709 * doc/cppopts.texi (-imultilib): Document.
10710 * doc/invoke.texi (-imultilib): Include in option summary.
10711 (%I): Update specs documentation.
10712
10713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10714
10715 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10716
10717 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10718
10719 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10720 label numbers.
10721
10722 2006-01-20 Richard Guenther <rguenther@suse.de>
10723 Steven Bosscher <stevenb.gcc@gmail.com>
10724
10725 PR rtl-optimization/24626
10726 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10727 EDGE_TRUE_VALUE if in RTL mode.
10728
10729 Revert
10730 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10731 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10732
10733 2006-01-20 Dirk Mueller <dmueller@suse.com>
10734
10735 PR c++/5520
10736 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10737 instead of a special NOP marker.
10738 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10739 NOP marker handling.
10740 * c-common.h (empty_body_warning): Add forward declaration.
10741 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10742 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10743
10744 2006-01-20 Paul Brook <paul@codesourcery.com>
10745
10746 * Makefile.in (lang_checks): Keep going if mkdir fails.
10747
10748 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10749
10750 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10751 be able to clean out basic block when not necessary.
10752 (df_scan_free): Fixed to properly delete information if df is
10753 unused before calling df_finish.
10754 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10755 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10756 or comment typos.
10757 (df_bb_refs_delete): New function.
10758 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10759 * df-core.c (df_set_blocks): Added code to properly clean out
10760 unused blocks if they are not part of the blocks to consider.
10761 Added additional null check.
10762 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10763 be able to clean out basic block when not necessary
10764 * df.h (df_free_bb_function): Ditto.
10765 (df_bb_refs_delete): New function.
10766 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10767 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10768 basic block parameter to be able to clean out basic block when not
10769 necessary.
10770 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10771 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10772 Fixed to properly delete information if df is unused before
10773 calling df_finish.
10774
10775 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10776
10777 PR rtl-optimization/25799
10778 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10779 Corrected confluence operator to remove bits from op2 before oring
10780 with op1 rather than removing bits from op1.
10781 (df_ru_transfer_function): Corrected test on wrong bitmap which
10782 caused infinite loop. Both of these problems were introduced in
10783 the dataflow rewrite.
10784
10785 2006-01-19 DJ Delorie <dj@redhat.com>
10786
10787 * reload1.c (find_reload_regs): Note the details of reload
10788 failures in the dump file.
10789 (spill_failure): Likewise.
10790
10791 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10792
10793 * loop-iv.c: Include df.h and hashtab.h.
10794 (enum iv_grd_result): New enum.
10795 (DF_REF_IV, DF_REF_IV_SET): New macros.
10796 (struct biv_entry): New.
10797 (df, bivs): New global variables.
10798 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10799 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10800 Removed.
10801 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10802 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10803 analyzed_for_bivness_p, record_biv): New functions.
10804 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10805 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10806 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10807 UD chains.
10808 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10809 analysed.
10810 (iv_number_of_iterations): Use new interface to iv analysis.
10811 * loop-unroll.c: Do not include varray.h.
10812 (analyze_iv_to_split_insn): Use new interface to iv
10813 analysis.
10814 * loop-unswitch.c (may_unswitch_on): Ditto.
10815 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10816 allocated.
10817 (df_bb_modify): Realloc tables to the new index.
10818 (df_find_use): New function.
10819 * df.h (df_find_use): Declare.
10820 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10821 outmode.
10822 * cfgloop.h (struct rtx_iv): Remove analysed field.
10823 (iv_get_reaching_def): Removed.
10824 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10825 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10826 (loop-iv.o): Add df.h and hashtab.h dependency.
10827 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10828
10829 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10830
10831 PR target/25668
10832 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10833 Double TFmode.
10834 (__floatundisf, __floatundidf): Likewise.
10835 * libgcc2.h (IS_IBM_EXTENDED): Define.
10836
10837 2006-01-19 DJ Delorie <dj@redhat.com>
10838
10839 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10840
10841 2006-01-19 Paul Brook <paul@codesourcery.com>
10842
10843 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10844 as nothrow when unwinding tables are disabled.
10845
10846 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10847
10848 PR testsuite/25171
10849 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10850 of bit-field" when in system header.
10851
10852 2006-01-19 DJ Delorie <dj@redhat.com>
10853
10854 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10855 the 16 bit shift limit of the m16c.
10856
10857 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10858
10859 PR target/22099
10860 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10861 * config/i386/i386.c (output_set_got): Output the label if we have one
10862 for the TARGET_DEEP_BRANCH_PREDICTION case.
10863
10864 2006-01-19 Jan Hubicka <jh@suse.cz>
10865 H.J. Lu <hongjiu.lu@intel.com>
10866 Evandro Menezes <evandro.menezes@amd.com>
10867
10868 * invoke.texi (generic): Document
10869 (i686) Update.
10870 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10871 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10872 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10873 (x86_use_incdec, x86_pad_returns): New variables
10874 (TARGET_CPU_DEFAULT_generic): New constant
10875 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10876 (enum processor_type): Add generic32 and generic64.
10877 * i386.md (cpu attribute): Add generic32/generic64
10878 (movhi splitter): Behave sanely when both partial_reg_dependency and
10879 partial_reg_stall are set.
10880 (K8 splitters): Enable for generic as well.
10881 * predicates.md (incdec_operand): Use TARGET_INCDEC
10882 (aligned_operand): Avoid memory mismatch stalls.
10883 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10884 * ppro.md: Enable for generic32
10885 * i386.c (generic64_cost, generic32_cost): New.
10886 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10887 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10888 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10889 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10890 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10891 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10892 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10893 x86_accumulate_outgoing_args, x86_prologue_using_move,
10894 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10895 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10896 Enable for generic.
10897 (x86_use_incdec, x86_pad_returns): New.
10898 (override_options): Add generic32 and generic64, translate "generic"
10899 to generic32/generic64 and "i686" to "generic32", refuse
10900 "generic32"/"generic64" as arch target.
10901 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10902 (ix86_reorg): Honor PAD_RETURNS.
10903
10904 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10905
10906 * tree-pretty-print.c (dump_generic_node): Handle
10907 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10908 * cgraph.c (cgraph_expand_queue): Rename from
10909 cgraph_analyze_queue. Update all users.
10910 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10911 cgraph_expand_queue.
10912 (cgraph_expand_all_functions): Likewise.
10913 (cgraph_finalize_pending_functions): Remove. Update callers.
10914
10915 * tree.h (OMP_DIRECTIVE_P): Define.
10916 (OMP_PARALLEL_FN): Define.
10917 (OMP_PARALLEL_DATA_ARG): Define.
10918 (OMP_SECTIONS_SECTIONS): Define.
10919 * tree-pass.h (pass_expand_omp): Declare.
10920 * omp-low.c (struct omp_region): Declare.
10921 (struct omp_context): Remove fields 'parallel_type',
10922 'parallel_start_ix' and 'parallel_start_additional_args'.
10923 Update all users.
10924 (struct omp_for_data): Rename from struct expand_omp_for_data.
10925 (omp_regions): New static variable.
10926 (root_omp_region): New static variable.
10927 (find_omp_clause): Make static.
10928 (is_in_combined_parallel_ctx): Remove.
10929 (is_combined_parallel): New.
10930 (extract_omp_for_data): Move earlier in the file.
10931 (workshare_safe_to_combine_p): New.
10932 (get_ws_args_for): New.
10933 (determine_parallel_type): Move earlier in the file.
10934 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10935 child function.
10936 (omp_copy_decl): Likewise.
10937 (create_omp_child_function): Likewise.
10938 (lookup_omp_region): New.
10939 (dump_omp_region): New.
10940 (debug_omp_region): New.
10941 (debug_all_omp_regions): New.
10942 (new_omp_region): New.
10943 (scan_omp_parallel): If parallel_nesting_level > 1, the
10944 directive is nested within another parallel directive.
10945 Set OMP_PARALLEL_FN.
10946 (scan_omp_for): Do not try to handle combined parallel+for
10947 cases.
10948 Remove FIXME comment.
10949 (scan_omp_nested): Remove.
10950 (scan_omp_1): Do not call scan_omp_nested when
10951 parallel_nesting_level is > 1.
10952 Do not change the DECL_CONTEXT of local variables found.
10953 (lookup_decl_in_outer_ctx): New.
10954 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10955 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10956 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10957 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10958 If CTX is nested, lookup VAR in the outer context when
10959 building copy assignment.
10960 (lower_send_clauses): Rename from expand_send_clauses.
10961 If CTX is nested, lookup VAR in the outer context when
10962 building copy assignments.
10963 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10964 If CTX is nested, lookup VAR in the outer context when
10965 building copy assignments.
10966 (expand_parallel_call): Rename from build_parallel_call.
10967 Handle combined parallel+workshare cases.
10968 Re-implement to emit code into the CFG.
10969 (list2chain): New.
10970 (expand_omp_parallel): Re-implement to emit code into the CFG.
10971 Call move_sese_region_to_fn to outline the sub-graph
10972 containing the parallel region.
10973 (expand_omp_for_1): Remove.
10974 (expand_omp_for_generic): Re-implement to emit code into the
10975 CFG.
10976 (expand_omp_for_static_nochunk): Likewise.
10977 (expand_omp_for_static_chunk): Likewise.
10978 (expand_omp_for): Likewise.
10979 (expand_omp_sections): Likewise.
10980 (remove_exit_barriers): New.
10981 (expand_omp_synch): New.
10982 (expand_omp): New.
10983 (build_omp_regions_1): New.
10984 (build_omp_regions): New.
10985 (execute_expand_omp): New.
10986 (gate_expand_omp): New.
10987 (pass_expand_omp): Define.
10988 (lower_omp_sections): Rename from expand_omp_sections.
10989 Set OMP_SECTIONS_SECTIONS.
10990 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10991 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10992 (lower_omp_single): Rename from expand_omp_simple.
10993 (lower_omp_master): Rename from expand_omp_master.
10994 (lower_omp_ordered): Rename from expand_omp_ordered.
10995 (lower_omp_critical): Rename from expand_omp_critical.
10996 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10997 (lower_omp_for): Re-implement.
10998 (lower_omp_parallel): Re-implement.
10999 (lower_regimplify): Rename from expand_regimplify.
11000 (lower_omp_1): Rename from expand_omp_1.
11001 If there are syntax errors in the program, replace every
11002 OpenMP directive with NOP.
11003 Call lower_omp_* instead of expand_omp_*.
11004 (lower_omp): Rename from expand_omp.
11005
11006 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11007 * tree-gimple.h (enum omp_parallel_type): Remove.
11008 (gimple_boolify): Declare extern.
11009 (find_omp_clause, determine_parallel_type): Remove.
11010
11011 * gimple-low.c (lower_omp_directive): New.
11012 (lower_stmt): Call it.
11013 (record_vars_into): Move from ...
11014 (record_vars): ... here.
11015 Call record_vars_into with current_function_decl.
11016
11017 * gimplify.c (struct gimplify_ctx): Remove fields
11018 combined_pre_p and combined_ctxp. Update users.
11019 (get_formal_tmp_var): Add documentation.
11020 (gimple_boolify): Make extern.
11021 (gimplify_expr_in_ctx): Remove. Update callers.
11022 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11023 will always be a BIND_EXPR.
11024 (gimplify_expr): Handle OMP_RETURN_EXPR.
11025 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11026 (OMP_PARALLEL): Add 3 operands.
11027 (OMP_SECTIONS): Add 1 operand.
11028 (OMP_RETURN_EXPR): Define.
11029
11030 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11031 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11032 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11033 creating a circular free list.
11034 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11035
11036 * tree-flow.h (move_sese_region_to_fn): Declare.
11037 (record_vars_into): Declare.
11038 * tree-cfg.c (make_omp_sections_edges): New.
11039 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11040 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11041 OMP_SECTIONS and OMP_SECTION.
11042 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11043 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11044 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11045 (gather_blocks_in_sese_region): New.
11046 (struct move_stmt_d): Declare.
11047 (move_stmt_r): New.
11048 (move_block_to_fn): New.
11049 (move_sese_region_to_fn): New.
11050
11051 * passes.c (init_optimization_passes): Schedule
11052 pass_expand_omp after pass_init_datastructures.
11053
11054 * tree-ssa-operands.c (get_expr_operands): Handle
11055 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11056 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11057
11058 2006-01-19 Jeff Law <law@redhat.com>
11059
11060 * tree-vrp.c (extract_range_from_assert): Refine the result range
11061 if the variable referenced by the ASSERT_EXPR has a range and
11062 either the tentative result range or the previous range is a
11063 VR_ANTI_RANGE.
11064
11065 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11066
11067 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11068
11069 2006-01-19 Jan Hubicka <jh@suse.cz>
11070
11071 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11072
11073 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11074
11075 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11076 (expand_compound_operation, expand_field_assignment): Fail if the
11077 bit lengths of an extract operation are out of range.
11078 (make_extraction): Compute wanted_inner_mode based on the position
11079 and length of the extraction. Make it extraction_mode for non-constant
11080 positions, and do not modify offset in that case. When generating a
11081 new MEM, use a mode that can hold the extraction while keeping correct
11082 alignment. Remove code that supported MEMs wrapped by USEs.
11083 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11084
11085 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11086
11087 * config/s390/s390.md ("Y", "y"): New mode attribute.
11088 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11089 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11090 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11091 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11092 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11093 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11094 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11095 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11096 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11097 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11098 "addsi3", "subsi3"): Insn patterns removed.
11099 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11100 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11101 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11102 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11103 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11104 "*sub<mode>3_cconly2"): New insn patterns.
11105 ("addsi3", "subsi3"): New expanders.
11106
11107 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11108
11109 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11110 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11111 existing STMT_VINFO_VECTYPE if available.
11112 (vect_mark_relevant): Add special handling for stmts that are
11113 marked as STMT_VINFO_IN_PATTERN_P.
11114 (vect_analyze_loop): Call vect_pattern_recog.
11115 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11116 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11117 stmt_info.
11118 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11119 (vect_recog_func_ptr): New function-pointer type.
11120 * tree-vect-patterns.c: New file.
11121 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11122 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11123 (vect_pattern_recog_1): New functions.
11124 (vect_pattern_recog_funcs): New array of function pointers.
11125
11126 * tree-vectorizer.h (ternary_op): New enum value.
11127 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11128 declaration. Revised documentation. Removed redundant dump prints.
11129 Removed redundant argument. Added support for reduction patterns.
11130 (vectorizable_reduction): Added support for reduction patterns.
11131 (vect_transform_stmt): Added support for patterns.
11132
11133 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11134 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11135 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11136 (expand_widen_pattern_expr): New function.
11137 (init_optabs): Initialize new optabs udot_prod_optab,
11138 sdot_prod_optab.
11139 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11140 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11141 (expand_widen_pattern_expr): New function declaration.
11142 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11143 tree-codes.
11144 * tree-inline.c (estimate_num_insns_1): Added cases for new
11145 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11146 * tree-pretty-print.c (dump_generic_node): Likewise.
11147 (op_prio): Likewise.
11148 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11149 * tree-ssa-operands.c (get_expr_operands): Added case for
11150 DOT_PROD_EXPR.
11151 * tree-vect-patterns.c (widened_name_p): New function.
11152 (vect_recog_dot_prod_pattern): Added function implementation.
11153 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11154 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11155 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11156 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11157
11158 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11159 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11160 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11161 (init_optabs): Initialize new optabs widen_ssum_optab,
11162 widen_usum_optab.
11163 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11164 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11165 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11166 use instead of type of def.
11167 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11168 function implementation.
11169 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11170 widen_ssumv8hi): New.
11171
11172 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11173 patterns.
11174
11175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11176
11177 PR c/25805
11178 * c-decl.c (add_flexible_array_elts_to_size): New function.
11179 (finish_decl): Use it.
11180
11181 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11182
11183 * diagnostic.h: Include options.h.
11184 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11185 dependancies for diagnostic.h.
11186 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11187
11188 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11189
11190 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11191 (ssa_ro_call_cache_valid): Ditto.
11192 * tree-ssa-alias.c (sort_tags_by_id): New function.
11193 (init_transitive_clobber_worklist): Ditto.
11194 (add_to_worklist): Ditto.
11195 (mark_aliases_call_clobbered): Ditto.
11196 (compute_tag_properties): Ditto.
11197 (set_initial_properties): Ditto.
11198 (compute_call_clobbered): Ditto.
11199 (compute_may_aliases): Call compute_call_clobbered and grouping.
11200 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11201 (compute_flow_insensitive_aliasing): Grouping now happens in our
11202 caller.
11203 (setup_pointers_and_addressables): Remove clobbering related code.
11204 (add_may_alias): Ditto.
11205 (replace_may_alias): Ditto.
11206 (get_nmt_for): Ditto.
11207 (create_global_var):
11208 (is_escape_site): Return an escape_type enumeration.
11209 * tree-flow-inline.h (is_call_clobbered): Global var does not
11210 imply call clobbered.
11211 (mark_call_clobbered): Take a reason for marking this. Remove
11212 marking of globalness, and cache invalidation.
11213 (clear_call_clobbered): Remove cache invalidation code.
11214 * tree-dfa.c (dump_variable): If details is on, dump the reason
11215 for escaping.
11216 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11217 variable.
11218 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11219 (struct var_ann_d): Ditto.
11220 (enum escape_type): New.
11221 (mark_call_clobbered): Adjust prototype.
11222 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11223 are never call clobbered.
11224 Record reasons for escaping.
11225 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11226 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11227 (ssa_ro_call_cache_valid): Ditto.
11228 (clobbered_v_may_defs): Ditto.
11229 (clobbered_vuses): Ditto.
11230 (ro_call_vuses): Ditto.
11231 (clobber_stats): New.
11232 (init_ssa_operands): Zero out clobber stats.
11233 (fini_ssa_operands): Print out clobber stats.
11234 (get_call_expr_operands): Pass callee fndecl to
11235 add_call_read_ops).
11236 (add_call_clobber_ops): Remove use of cache.
11237 Add use of PURE_CONST information.
11238 (add_call_read_ops): Remove use of cache.
11239 Add use of static not_read information.
11240
11241 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11242
11243 Introduce TLS descriptors for i386 and x86_64.
11244 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11245 (TARGET_ANY_GNU_TLS): New macro.
11246 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11247 (struct machine_function): Add tls_descriptor_call_expanded_p.
11248 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11249 (ix86_current_function_calls_tls_descriptor): Likewise.
11250 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11251 (override_options): Introduce gnu2 tls dialect.
11252 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11253 not leaves.
11254 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11255 Likewise.
11256 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11257 (ix86_init_machine_status): Initialize new field.
11258 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11259 (ix86_tls_module_base): New.
11260 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11261 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11262 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11263 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11264 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11265 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11266 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11267 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11268 * config/i386/predicates.md (tls_modbase_operand): New.
11269 (tp_or_register_operand): New.
11270
11271 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11272
11273 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11274 (look_for_address_of): Ditto.
11275 (ipa_init): Walk the function decls.
11276 (static_execute): Don't set readonly on FUNCTION_DECL's.
11277
11278 2006-01-18 Roger Sayle <roger@eyesopen.com>
11279
11280 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11281 for shifts where the source and destination registers are different.
11282
11283 2006-01-18 Paul Brook <paul@codesourcery.com>
11284
11285 Merge from csl-arm-branch.
11286 2005-03-14 Julian Brown <julian@codesourcery.com>
11287 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11288 (aeabi_llsl): Likewise.
11289 (ashrdi3): Likewise.
11290 (aeabi_lasr): Likewise.
11291 (lshrdi3): Likewise.
11292 (aeabi_llsr): Likewise.
11293 2005-03-10 Julian Brown <julian@codesourcery.com>
11294 * config.gcc: Disable shared libgcc for SymbianOS.
11295 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11296
11297 2006-01-18 DJ Delorie <dj@redhat.com>
11298
11299 * c-pragma.c (handle_pragma_diagnostic): New.
11300 (init_pragma): Register it.
11301 * doc/extend.texi: Document it.
11302
11303 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11304 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11305 (diagnostic_context): Add classify_diagnostic[].
11306 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11307 as errors if they're overridden to DK_WARNING.
11308 (diagnostic_initialize): Initialize classify_diagnostic[].
11309 (diagnostic_set_kind_override): New.
11310 (diagnostic_report_diagnostic): Check for kind changes.
11311 * opts.c (common_handle_option): Take lang_mask. Update callers.
11312 Handle OPT_Werror_.
11313 * common.opt (Werror=): New.
11314 * doc/invoke.texi: Document -Werror=*
11315
11316 2006-01-18 Jeff Law <law@redhat.com>
11317
11318 * tree-vrp.c (test_for_singularity): Correct test for new
11319 min limit. Use operand_equal_p rather than pointer equality
11320 for testing if new min/max values are equal.
11321
11322 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11323 using range information until after propagation and folding.
11324
11325 2006-01-18 Richard Henderson <rth@redhat.com>
11326 Aldy Hernandez <aldyh@redhat.com>
11327 Jakub Jelinek <jakub@redhat.com>
11328 Diego Novillo <dnovillo@redhat.com>
11329
11330 * omp-low.c: New file.
11331 * c-omp.c: New file.
11332
11333 2006-01-18 Richard Henderson <rth@redhat.com>
11334 Jakub Jelinek <jakub@redhat.com>
11335 Diego Novillo <dnovillo@redhat.com>
11336
11337 * doc/invoke.texi: Document -fopenmp.
11338 * tree-dump.h (debug_function): Declare.
11339 * hooks.c (hook_bool_tree_bool_false): New function.
11340 (hook_tree_tree_null): Remove.
11341 (hook_tree_tree_tree_null): New.
11342 * hooks.h: Update to match.
11343 * tree-pretty-print.c (debug_tree_chain): New.
11344 (print_generic_expr): Handle TDF_CHAIN.
11345 (dump_generic_node): Handle BLOCK.
11346 Do not abort with incomplete SWITCH_EXPRs.
11347 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11348 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11349 print space after directive name.
11350 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11351 Handle OMP_MASTER and OMP_ORDERED.
11352 Handle printing of OMP_BODY just in one place, goto
11353 dump_omp_body in the rest of OMP_* nodes that have
11354 OMP_BODY.
11355 Don't handle clause nodes here. Update omp statements to
11356 use dump_omp_clauses.
11357 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11358 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11359 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11360 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11361 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11362 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11363 Adjust output for GOMP_PARALLEL.
11364 (dump_omp_clauses): New.
11365 (print_declaration): Dump DECL_VALUE_EXPR.
11366 (op_symbol_1): Split out of op_symbol.
11367 (dumping_stmts): Remove. Update all users.
11368 * cgraph.c (cgraph_analyze_queue): New.
11369 (cgraph_add_new_function): New.
11370 * cgraph.h (cgraph_analyze_queue): Declare.
11371 (cgraph_add_new_function): Declare.
11372 (cgraph_lower_function): Remove.
11373 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11374 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11375 and TYPE_P nodes in its default clause.
11376 (empty_body_p): New.
11377 (tree_range_check_failed): New.
11378 (build5_stat): New.
11379 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11380 OMP_CLAUSE_REDUCTION_MERGE,
11381 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11382 OMP_CLAUSE_PRIVATE_DEBUG,
11383 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11384 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11385 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11386 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11387 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11388 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11389 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11390 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11391 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11392 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11393 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11394 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11396 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11397 (TREE_RANGE_CHECK): New.
11398 (empty_body_p): Declare.
11399 (enum omp_clause_default_kind): New.
11400 (build_string_literal): Declare.
11401 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11402 (build5_stat, build5): Declare.
11403 * tree-pass.h (TDF_CHAIN): Define.
11404 * tree-pass.h (PROP_gimple_lomp): Define.
11405 (pass_lower_omp): Declare.
11406 * diagnostic.h (debug_tree_chain): Declare.
11407 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11408 mode_for_size.
11409 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11410 * builtins.c (build_string_literal): Make extern.
11411 * gcc.c (include_spec_function): New.
11412 (static_spec_functions): Add it.
11413 (main): Move load of libgomp.spec ...
11414 (LINK_COMMAND_SPEC): ... here.
11415 (link_gomp_spec): New.
11416 (static_specs): Include it.
11417 (LINK_COMMAND_SPEC): Add link_gomp.
11418 (GOMP_SELF_SPECS): New.
11419 (driver_self_specs): Include it.
11420 (switch_matches): Don't mark inline.
11421 (main): Load libgomp.spec.
11422 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11423 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11424 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11425 * tree-gimple.h (enum omp_parallel): Declare.
11426 (determine_parallel_type): Declare.
11427 (omp_firstprivatize_variable): Declare.
11428 (omp_reduction_init): Declare.
11429 (diagnose_omp_structured_block_errors): Declare.
11430 (struct walk_stmt_info): Add want_return_expr.
11431 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11432 (find_omp_clause): Declare.
11433 (insert_field_into_struct): Declare.
11434 (struct walk_stmt_info): Move from tree-nested.c
11435 (walk_stmts): Declare.
11436 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11437 to 200505.
11438 * cgraphunit.c (cgraph_lower_function): Make static.
11439 (cgraph_finalize_pending_functions): New.
11440 (cgraph_finalize_function): Call it.
11441 (cgraph_finalize_compilation_unit): Likewise.
11442 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11443 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11444 (BT_FN_UINT_UINT): New.
11445 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11446 DEF_FUNCTION_TYPE_VAR_4): Document.
11447 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11448 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11449 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11450 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11451 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11452 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11453 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11454 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11455 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11456 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11457 into separate files.
11458 (DEF_GOMP_BUILTIN): New.
11459 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11460 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11461 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11462 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11463 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11464 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11465 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11466 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11467 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11468 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11469 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11474 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11475 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11476 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11477 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11478 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11479 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11480 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11481 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11482 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11483 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11484 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11485 * sync-builtins.def: New file, moved from builtins.def.
11486 * omp-builtins.def: New file, moved from builtins.def.
11487 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11488 * gimple-low.c (lower_function_body): Clear data.
11489 (lower_stmt): Do not handle COMPOUND_EXPR.
11490 Remove call to print_node_brief.
11491 * c-tree.h (c_finish_omp_clauses): New prototype.
11492 (C_DECL_THREADPRIVATE_P): Define.
11493 (lookup_name_no_remap, c_omp_remap_private): Remove
11494 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11495 (check_for_loop_decls): Update decl.
11496 (lookup_name_no_remap, c_omp_remap_private): Declare.
11497 (build_indirect_ref, build_modify_expr, pushdecl,
11498 pushdecl_top_level): Move to c-common.h.
11499 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11500 before the switch, but just in the 2 places that need it.
11501 * c-decl.c (diagnose_mismatched_decls): Do not check for
11502 mismatched thread-local attributes when OLDDECL is marked
11503 threadprivate and NEWDECL has no thread-local attributes.
11504 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11505 (c_gimple_diagnostics_recursively): Rename from
11506 c_warn_unused_result_recursively. Invoke
11507 diagnose_omp_structured_block_errors.
11508 (check_for_loop_decls): Return a singular decl found.
11509 * langhooks.c (lhd_omp_predetermined_sharing): Return
11510 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11511 (lhd_omp_firstprivatize_type_sizes): New.
11512 (lhd_omp_assignment): New.
11513 (lhd_omp_predetermined_sharing): New.
11514 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11515 (struct lang_hooks_for_types): Add
11516 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11517 omp_predetermined_sharing, omp_disregard_value_expr,
11518 omp_private_debug_clause, omp_clause_default_ctor,
11519 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11520 (c_finish_omp_clauses): New.
11521 (c_finish_bc_stmt): Diagnose break within omp for.
11522 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11523 (build_unary_op): Return error_mark after reporting
11524 a readonly_error.
11525 (build_modify_expr): Likewise.
11526 * gimplify.c: Include optabs.h and pointer-set.h.
11527 (enum gimplify_omp_var_data): Declare.
11528 (struct gimplify_omp_ctx): Declare.
11529 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11530 and combined_ctxp.
11531 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11532 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11533 (splay_tree_compare_decl_uid): New.
11534 (new_omp_context): New.
11535 (delete_omp_context): New.
11536 (gimple_add_tmp_var): Call omp_add_variable.
11537 (gimplify_bind_expr): Likewise.
11538 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11539 true, disregard DECL_VALUE_EXPR on the decl if any.
11540 (gimplify_expr_in_ctx): New.
11541 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11542 omp_add_variable, omp_notice_variable, omp_is_private
11543 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11544 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11545 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11546 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11547 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11548 gimplify_omp_atomic): New.
11549 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11550 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11551 OMP_CRITICAL and OMP_ATOMIC.
11552 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11553 * c-pragma.h (enum pragma_kind): Add
11554 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11555 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11556 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11557 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11558 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11559 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11560 PRAGMA_OMP_THREADPRIVATE.
11561 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11562 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11563 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11564 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11565 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11566 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11567 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11568 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11569 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11570 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11571 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11572 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11573 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11574 OpenMP directives.
11575 (struct nesting_info): Add field_map,
11576 suppress_expansion, debug_var_chain.
11577 (create_nesting_tree): Initialize them.
11578 (lookup_field_for_decl): Use field_map.
11579 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11580 (convert_local_omp_clauses): New.
11581 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11582 (walk_body): Split out of walk_function.
11583 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11584 (convert_nonlocal_reference): Handle omp statements.
11585 (convert_local_reference): Likewise.
11586 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11587 (unnest_nesting_tree): New.
11588 (lower_nested_functions): Call it.
11589 (insert_field_into_struct): Make extern.
11590 (struct walk_stmt_info): Move to tree-gimple.h.
11591 (walk_stmts): Make extern.
11592 * omp-builtins.def: New file.
11593 * tree-iterator.c (expr_only): Clarify comment.
11594 * c-common.h (pushdecl_top_level, pushdecl,
11595 build_modify_expr, build_indirect_ref,
11596 c_finish_omp_master, c_finish_omp_critical,
11597 c_finish_omp_ordered, c_finish_omp_barrier,
11598 c_finish_omp_atomic, c_finish_omp_flush,
11599 c_finish_omp_for, c_split_parallel_clauses,
11600 omp_clause_default_kind, c_omp_sharing_predetermined,
11601 c_omp_remap_decl): Declare.
11602 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11603 (OBJS-common): Add omp-low.o.
11604 (c-omp.o, omp-low.o): Add.
11605 (gimplify.o): Add dependency on $(OPTABS_H).
11606 (GTFILES): Add omp-low.c.
11607 (gt-stringpool.h): Add.
11608 * tree-cfg.c (set_bb_for_stmt): Do not update the
11609 block-to-labels map if we are currently expanding to RTL.
11610 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11611 checks.
11612 Handle IDENTIFIER_NODE.
11613 (tree_verify_flow_info): Do not ICE when emitting error
11614 messages about invalid labels.
11615 (dump_function_to_file): Reset CFUN before emitting the body
11616 of the function.
11617 (debug_function): New.
11618 * passes.c (init_optimization_passes): Schedule
11619 pass_lower_omp.
11620 * langhooks-def.h (lhd_omp_predetermined_sharing,
11621 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11622 Declare.
11623 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11624 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11625 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11626 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11627 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11628 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11629 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11630 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11631 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11632 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11633 (LANG_HOOK_DECLS): Use them.
11634
11635 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11636 Richard Henderson <rth@redhat.com>
11637 Jakub Jelinek <jakub@redhat.com>
11638 Diego Novillo <dnovillo@redhat.com>
11639
11640 * c-parser.c (pragma_omp_clause): Define.
11641 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11642 (c_parser_compound_statement): Likewise.
11643 (c_parser_statement): Likewise.
11644 (c_parser_pragma): Handle omp pragmas.
11645 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11646 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11647 (c_parser_omp_clause_name, check_no_duplicate_clause,
11648 c_parser_omp_variable_list,
11649 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11650 c_parser_omp_clause_copyprivate,
11651 c_parser_omp_clause_default,
11652 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11653 c_parser_omp_clause_lastprivate,
11654 c_parser_omp_clause_nowait,
11655 c_parser_omp_clause_num_threads,
11656 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11657 c_parser_omp_clause_reduction,
11658 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11659 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11660 c_parser_omp_atomic, c_parser_omp_barrier,
11661 c_parser_omp_critical, c_parser_omp_flush,
11662 c_parser_omp_for_loop, c_parser_omp_for,
11663 c_parser_omp_master, c_parser_omp_ordered,
11664 c_parser_omp_sections_scope, c_parser_omp_sections,
11665 c_parser_omp_parallel, c_parser_omp_single,
11666 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11667 * c-pragma.c (init_pragma): Do omp pragma registration here.
11668 * c.opt (fopenmp): New flag.
11669
11670 2006-01-18 Eric Christopher <echristo@apple.com>
11671
11672 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11673 * config/darwin.h (GOMP_SELF_SPECS): Define.
11674
11675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11676
11677 * rtl.h: Remove the prototype for reg_alloc.
11678
11679 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11680
11681 PR target/25731
11682 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11683 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11684 sjlj and dwarf2 exception handling.
11685 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11686 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11687 * pa/pa.c (function_value): Treat complex and vector types as
11688 aggregates.
11689 (function_arg): Likewise. Only pass scalar floats in the floating
11690 point argument registers.
11691 * pa/t-slibgcc-dwarf-ver: New file.
11692 * pa/t-slibgcc-sjlj-ver: New file.
11693 * pa/t-slibgcc-elf-ver: Delete file.
11694
11695 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11696
11697 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11698 unlikely_test_section_p test.
11699
11700 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11701
11702 * mode-switching.c (optimize_mode_switching): Make it static.
11703 * basic-block.h: Remove the prototype for
11704 optimize_mode_switching.
11705
11706 * modulo-sched.c (sms_schedule): Make it static.
11707 * rtl.h: Remove the prototype for sms_schedule.
11708
11709 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11710 * rtl.h: Remove the prototype for gcse_after_reload_main.
11711
11712 * reg-stack.c (reg_to_stack): Make it static.
11713 * rtl.h: Remove the prototype for reg_to_stack.
11714
11715 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11716 Make them static.
11717 * rtl.h: Remove the prototypes for regrename_optimize and
11718 copyprop_hardreg_forward.
11719
11720 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11721
11722 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11723 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11724 Test against the appropriate null constant for the mode.
11725 If 'fixup_overlap' is true, swap the operands if they overlap.
11726 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11727 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11728 alpha_split_tmode_pair and adjust for above change.
11729 * config/alpha/alpha.md (movtf_internal): Adjust call to
11730 alpha_split_tfmode_pair and rely on it to swap the operands.
11731 (movti_internal): New insn and post-reload splitter.
11732 (movti): New expander.
11733
11734 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11735
11736 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11737 operands.
11738
11739 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11740
11741 * rtlanal.c (global_reg_mentioned_p_1,
11742 global_reg_mentioned_p): Remove.
11743 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11744
11745 * flow.c (initialize_uninitialized_subregs): Make it static.
11746 * rtl.h: Remove the prototype for
11747 initialize_uninitialized_subregs.
11748
11749 * function.c (instantiate_virtual_regs): Make it static.
11750 * function.h: Remove the prototype for
11751 instantiate_virtual_regs.
11752
11753 * regmove.c (regmove_optimize, combine_stack_adjustments):
11754 Make them static.
11755 * rtl.h: Remove the prototypes for regmove_optimize and
11756 combine_stack_adjustments.
11757
11758 2006-01-17 Roger Sayle <roger@eyesopen.com>
11759
11760 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11761 (size_cost): Encode costs in bytes so that a reg-reg addition is
11762 equivalent to COSTS_N_INSNS(1).
11763 (override_options): Use the size_cost.branch_cost as the default
11764 ix86_branch_cost when optimizing for size.
11765
11766 2006-01-18 Ben Elliston <bje@au.ibm.com>
11767
11768 * Makefile.in (D32PBIT_FUNCS): New.
11769 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11770 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11771 D64PBIT_FUNCS and D128PBIT_FUNCS.
11772 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11773 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11774 D128PBIT are set.
11775 (decnumber_dep): Define.
11776 * doc/libgcc.texi (Decimal float library routines): New node.
11777 * config/dfp-bit.h, config/dfp-bit.c: New files.
11778
11779 2006-01-18 Ben Elliston <bje@au.ibm.com>
11780
11781 * expr.c (emit_move_change_mode): Always adjust addresses, not
11782 just during reload. Copy replacements only during reload.
11783 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11784 emit_move_via_integer.
11785
11786 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11787
11788 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11789 instead of $(srcdir) and ${srcdir}.
11790
11791 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11792
11793 PR target/592
11794 PR middle-end/11135
11795 * arm.h (struct machine_function): Add pic_reg.
11796 * arm.c (arm_pic_register): Make unsigned.
11797 (arm_override_options): Only set arm_pic_register if
11798 TARGET_SINGLE_PIC_BASE.
11799 (use_return_insn): Only test for a pic register if it is fixed.
11800 (arm_compute_save_reg0_reg12_mask): Likewise.
11801 (thumb_compute_save_reg_mask): Likewise.
11802 (legitimate_pic_operand): Factor out some known invariants.
11803 (legitimize_pic_address): If we don't have a fixed pic register,
11804 then set up a pseudo in the function entry sequence. Handle the
11805 pic base being in a pseudo.
11806 (arm_load_pic_register): Handle the pic register being in a pseudo.
11807 (arm_expand_prologue): Only set up the pic register if it is fixed.
11808 (thumb_expand_prologue): Likewise.
11809 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11810 (pic_load_addr_based_insn): Likewise.
11811 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11812 fixed.
11813
11814 2006-01-18 Ben Elliston <bje@au.ibm.com>
11815
11816 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11817 decimal float modes for all floating point registers.
11818
11819 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11820 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11821
11822 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11823
11824 PR c/25682
11825 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11826 even when the pointer is not NULL.
11827
11828 2006-01-16 Ian Lance Taylor <ian@airs.com>
11829
11830 * common.opt (ftoplevel-reorder): New option.
11831 * cgraph.c (cgraph_asm_nodes): New global variable.
11832 (cgraph_asm_last_node): New static variable.
11833 (cgraph_order): New global variable.
11834 (cgraph_create_node): Set new order field.
11835 (cgraph_varpool_node): Likewise.
11836 (decide_is_variable_needed): Return true if not
11837 flag_toplevel_reorder.
11838 (cgraph_add_asm_node): New function.
11839 * cgraph.h (struct cgraph_node): Add order field.
11840 (struct cgraph_varpool_node): Add order field.
11841 (struct cgraph_asm_node): Define.
11842 (cgraph_asm_nodes, cgraph_order): Declare.
11843 (cgraph_add_asm_node): Declare.
11844 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11845 function.
11846 (cgraph_varpool_assemble_pending_decls): Call it.
11847 (cgraph_output_pending_asms): New static function.
11848 (cgraph_finalize_compilation_unit): Call it.
11849 (struct cgraph_order_sort): Define.
11850 (cgraph_output_in_order): New static function.
11851 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11852 !flag_toplevel_reorder case.
11853 * c-parser.c: Include "cgraph.h".
11854 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11855 assemble_asm.
11856 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11857 than -fno-unit-at-a-time.
11858 * doc/invoke.texi (Option Summary): Mention
11859 -fno-toplevel-reorder.
11860 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11861 -funit-at-a-time documentation.
11862
11863 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11864 Kazu Hirata <kazu@codesourcery.com>
11865
11866 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11867
11868 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11869
11870 * Makefile.in (FUNCTION_H): New. Use it instead of
11871 function.h throughout the file.
11872 * function.h: Include tree.h.
11873
11874 2006-01-17 Ben Elliston <bje@au.ibm.com>
11875
11876 * recog.c: Separate some functions with whitespace.
11877
11878 2006-01-16 Richard Henderson <rth@redhat.com>
11879
11880 Merge from gomp branch:
11881 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11882 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11883 and rename from struct inline_data. Rename callee* to dst*;
11884 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11885 transform_new_cfg, transform_return_to_modify, and
11886 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11887 update_clones_p.
11888 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11889 (copy_decl_for_dup): Remove.
11890 * tree-inline.c (struct inline_data): Move to header.
11891 (insert_decl_map): Export.
11892 (remap_decl): Update for member name changes. Use copy_decl hook.
11893 Allow for replacement to be a non-decl. Remove dead code.
11894 (remap_type_1): Check for existing mapping.
11895 (remap_type): Export.
11896 (remap_decls): Update for member name changes.
11897 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11898 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11899 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11900 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11901 (tree_function_versioning, build_duplicate_type): Likewise.
11902 (copy_body_r): Likewise. Export.
11903 (copy_decl_for_dup): Split into ...
11904 (copy_decl_for_dup_finish, copy_decl_to_var,
11905 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11906 (replace_ref_tree, inlining_p): Remove.
11907
11908 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11909
11910 * ifcvt.c (if_convert): Make it static.
11911 * rtl.h: Remove the prototype for if_convert.
11912
11913 * local-alloc.c (local_alloc): Make it static.
11914 * rtl.h: Remove the prototype for local_alloc.
11915
11916 * loop.c (loop_optimize): Make it static.
11917 * cfgloop.h: Remove the prototype for loop_optimize.
11918 * rtl.h: Likewise.
11919
11920 2006-01-16 DJ Delorie <dj@redhat.com>
11921
11922 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11923 mems.
11924
11925 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11926
11927 * pa.md: Disparage copies between general and floating-point registers
11928 in 32-bit move patterns.
11929
11930 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11931
11932 PR testsuite/25741
11933 * Makefile.in (check-%): Depend on site.exp instead of
11934 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11935 directories.
11936
11937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11938
11939 * global.c (global_alloc): Make it static.
11940 * rtl.h: Remove the prototype for global_alloc.
11941
11942 2006-01-16 Richard Guenther <rguenther@suse.de>
11943
11944 * tree-ssa-alias.c (struct used_part): Add write_only field.
11945 (get_or_create_used_part_for): Initialize it to true.
11946 (create_overlap_variables_for): Don't create structure variables
11947 for structures that only are written to.
11948 (find_used_portions): Handle MODIFY_EXPR to track whether a
11949 structure is only written to.
11950
11951 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11952
11953 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11954 static.
11955 * basic-block.h: Remove the prototype for
11956 partition_hot_cold_basic_blocks.
11957
11958 2006-01-16 Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
11959
11960 * cppspec.c (lang_specific_spec_functions): Remove.
11961 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11962 * gcc.h (lang_specific_spec_functions): Remove.
11963 * gccspec.c (lang_specific_spec_functions): Remove.
11964
11965 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11966
11967 * combine.c (record_value_for_reg): Invalidate registers
11968 if INSN is null.
11969 (record_dead_and_set_regs_1): Likewise, by passing them to
11970 record_value_for_reg.
11971 (record_dead_and_set_regs): Invalidate stores made by a
11972 call. We do not combine across a call, but we still
11973 relied on equivalences.
11974
11975 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11976
11977 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11978 vrp_int_const_binop returning non-constant nodes.
11979
11980 2006-01-16 Paul Brook <paul@codesourcery.com>
11981
11982 * config/m68k/m68k.c (output_move_const_into_data_reg):
11983 Output correct mnemonic for mvz and mvs.
11984
11985 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11986
11987 * rtl-factoring.c: Add sequence abstraction algorithm.
11988 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11989 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11990 ABNORMAL edges.
11991 (block_has_preserve_label): New function.
11992 * common.opt: Register new pass.
11993 * Makefile.in: Ditto.
11994 * passes.c: Ditto.
11995 * timevar.def: Ditto.
11996 * tree-pass.h: Ditto.
11997 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11998 * rtl.h (make_jump_insn_raw): Add forward decl.
11999 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12000
12001 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12002 Roger Sayle <roger@eyesopen.com>
12003
12004 * fold-const.c (fold_minmax): New static function.
12005 (fold_binary) <MIN_EXPR>: Call it.
12006 <MAX_EXPR>: Likewise.
12007 * stor-layout.c (place_field): Use DECL_SIZE consistently
12008 in the computation of the new record size.
12009
12010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12011
12012 * cse.c (cse_condition_code_reg): Make it static.
12013 * rtl.h: Remove the prototype for cse_condition_code_reg.
12014
12015 * combine.c (combine_instructions): Make it static.
12016 * rtl.h: Remove the prototype for combine_instructions.
12017
12018 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12019
12020 PR target/25168
12021 * tree.c (get_file_function_name_long): Concatenate the first global
12022 object name with a string derived from the input filename of the object
12023 for type "F".
12024
12025 2006-01-16 Ben Elliston <bje@au.ibm.com>
12026
12027 * config/i386/winnt-stubs.c: Update FSF address.
12028 * config/xtensa/ieee754-df.S: Ditto.
12029 * config/xtensa/ieee754-sf.S: Ditto.
12030
12031 2006-01-14 Ian Lance Taylor <ian@airs.com>
12032
12033 * ifcvt.c (noce_init_if_info): New static function, broken out of
12034 noce_process_if_block.
12035 (noce_process_if_block): Call noce_init_if_info.
12036 (check_cond_move_block): New static function.
12037 (cond_move_process_if_block): New static function.
12038 (process_if_block): Call cond_move_process_if_block.
12039
12040 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12041
12042 * cselib.c (hash_table): Rename to cselib_hash_table.
12043 (cselib_clear_table, discard_useless_values,
12044 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12045 cselib_init, cselib_finish): Adjust uses of hash_table.
12046
12047 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12048
12049 PR tree-optimization/25485
12050 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12051 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12052 is known to be false and true, respectively.
12053
12054 2006-01-14 Richard Guenther <rguenther@suse.de>
12055
12056 PR tree-optimization/22548
12057 PR tree-optimization/22555
12058 PR tree-optimization/22501
12059 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12060 * params.def (salias-max-array-elements): New parameter.
12061 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12062 * doc/invoke.texi (salias-max-array-elements): Document.
12063 * tree-flow-inline.h (var_can_have_subvars): We also handle
12064 arrays now.
12065 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12066 COMPONENT_REF.
12067 * tree-ssa-structalias.c (params.h): Include.
12068 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12069 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12070 (get_constraint_for): For ADDR_EXPR operating on something
12071 containing an ARRAY_REF, add all subvars to the solution.
12072 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12073 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12074 for creating MUST_DEFs.
12075 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12076
12077 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12078
12079 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12080 functions.
12081 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12082 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12083 number_of_iterations_le): New functions.
12084 (number_of_iterations_special): Removed.
12085 (number_of_iterations_exit): Do not use number_of_iterations_special.
12086 * tree.c (unsigned_type_for): Always return integer type.
12087
12088 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12089 Richard Guenther <rguenther@suse.de>
12090
12091 PR rtl-optimization/24257
12092 * gcse.c (find_moveable_store): Only consider a store movable
12093 when the SET_SRC of the insn can be assigned to a register.
12094
12095 2006-01-14 Ian Lance Taylor <ian@airs.com>
12096
12097 * tree.c (tree_not_class_check_failed): New function.
12098 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12099 (tree_not_class_check_failed): Declare.
12100
12101 2006-01-13 Ian Lance Taylor <ian@airs.com>
12102
12103 * reload1.c (do_output_reload): Add assertion rejecting a
12104 CALL_INSN.
12105
12106 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12107
12108 * combine.c (struct reg_stat): Add new fields truncation_label and
12109 truncated_to_mode.
12110 (record_value_for_reg): Reset truncated_to_mode.
12111 (record_truncated_value): New function.
12112 (check_promoted_subreg): Call it. Rename to check_conversions.
12113 (combine_instructions): Rename check_promoted_subreg to
12114 check_conversions.
12115 (reg_truncated_to_mode): New function.
12116 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12117 (gen_lowpart_or_truncate): New function.
12118 (force_to_mode): Use it instead of gen_lowpart.
12119
12120 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12121
12122 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12123 VAR is a tag, not its type tag.
12124
12125 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12126
12127 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12128 alternatives to match style of other entries.
12129 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12130
12131 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12132
12133 PR tree-optimization/25771
12134 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12135 SSA_NAMES.
12136
12137 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12138
12139 PR tree-opt/24365
12140 * tree-inline.c (declare_return_variable): If the return variable
12141 was marked as a non gimple complex, set the return slot variable
12142 to be a non gimple comple variable.
12143
12144 2006-01-13 Richard Guenther <rguenther@suse.de>
12145
12146 * builtins.c (expand_builtin_sincos): New function.
12147 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12148 do not set errno.
12149 (expand_builtin): Expand sincos using expand_builtin_sincos.
12150
12151 2006-01-12 DJ Delorie <dj@redhat.com>
12152
12153 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12154 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12155 so that constant shifts can be split.
12156 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12157 (m32c_valid_pointer_mode): Make static.
12158 (shift_gen_func_for): New.
12159 (m32c_prepare_shift): Use it. Split large const shifts into
12160 multiple shifts.
12161 * config/m32c/predicates.md (shiftcount_operand): Allow more
12162 general operands.
12163 (longshiftcount_operand): New.
12164 * doc/md.texi (Machine Constraints): Document In6.
12165
12166 2006-01-13 Ben Elliston <bje@au.ibm.com>
12167
12168 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12169 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12170 documentation.
12171
12172 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12173
12174 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12175 to try to avoid clobbering pieces of structures when we know
12176 something about the whole structure.
12177 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12178
12179 2006-01-13 Ben Elliston <bje@au.ibm.com>
12180
12181 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12182 return in memory, as this is no limitation is no longer present.
12183
12184 2006-01-12 DJ Delorie <dj@redhat.com>
12185
12186 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12187 mova with fb, and for fb+0 -> An.
12188
12189 * config/m32c/mov.md (peephole2): Fix enabling logic.
12190
12191 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12192 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12193 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12194 FINI_ARRAY_SECTION_ASM_OP): Define.
12195
12196 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12197 variable.
12198 (m32c_legitimize_reload_address): New logic to reload FB to An.
12199 (m32c_output_reg_push): Add newline.
12200 (m32c_output_reg_pop): Likewise.
12201
12202 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12203
12204 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12205
12206 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12207
12208 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12209
12210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12211
12212 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12213 match_code.
12214
12215 2006-01-11 Ben Elliston <bje@au.ibm.com>
12216
12217 * rtlanal.c (find_reg_note): Assert insn is not null.
12218
12219 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12220
12221 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12222 ifdef.
12223
12224 2006-01-11 Jeff Law <law@redhat.com>
12225
12226 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12227 hold edge pairs.
12228 (mark_threaded_blocks, register_jump_thread): New functions.
12229 (thread_through_all_blocks): Remove unwanted argument. No
12230 longer rely on e->aux to communicate thread target info.
12231 Call mark_threaded_blocks. Release the threaded_blocks
12232 bitmap and threaded_edges vector when complete.
12233 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12234 (threaded_blocks): Remove.
12235 (tree_ssa_dominator_optimize): Remove initialization and
12236 finalization of threaded_blocks. Simplify call to
12237 thread_through_all_blocks.
12238 (thread_across_edge): Call register_jump_thread rather than
12239 storing thread information into e->aux.
12240 (free_all_edge_infos): Simplify now that e->aux is no longer
12241 used to communicate with thread_through_all_blocks.
12242 * tree-flow.h (thread_through_all_blocks): Update prototype.
12243 (register_jump_thread): Prototype.
12244
12245 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12246
12247 * df-core.c (df_compact_blocks, df_bb_replace): Use
12248 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12249
12250 2006-01-11 Richard Guenther <rguenther@suse.de>
12251
12252 PR tree-optimization/25734
12253 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12254 stop propagation after successful propagation to the LHS.
12255
12256 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12257
12258 * basic-block.h (control_flow_graph): Change the type of
12259 x_basic_block_info to VEC(basic_block,gc) *.
12260 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12261 basic_block_info.
12262 (SET_BASIC_BLOCK): New.
12263 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12264 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12265 * cfgbuild.c (find_basic_blocks): Likewise.
12266 * cfglayout.c (fixup_reorder_chain): Likewise.
12267 * cfgrtl.c (create_basic_block_structure,
12268 rtl_create_basic_block): Likewise.
12269 * ifcvt.c (find_if_case_1): Likewise.
12270 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12271 Likewise.
12272
12273 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12274
12275 * Makefile.in: Removed rotted odf.c entry.
12276
12277 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12278
12279 PR target/25706
12280 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12281 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12282 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12283 output pattern modifier, not %e.
12284 * config/cris/cris.c (cris_op_str): Update comment about pattern
12285 modifier.
12286 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12287 before falling through into...
12288 <case 'E'>: Redefined from old 'e' case.
12289
12290 2006-01-11 Jan Hubicka <jh@suse.cz>
12291
12292 PR target/25042
12293 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12294
12295 2006-01-11 Jan Hubicka <jh@suse.cz>
12296
12297 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12298 * i386.c (x86_decompose_lea): Kill.
12299 (ix86_rtx_costs): Kill.
12300
12301 2006-01-11 Jan Hubicka <jh@suse.cz>
12302
12303 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12304 * cgraph.h (cgraph_node): Add inline_decl.
12305 (cgraph_insert_node_to_hashtable): Declare.
12306 (save_inline_function_body): Declare.
12307 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12308 clones.
12309 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12310 (cgraph_function_versioning): Update call of tree_function_versioning.
12311 (save_inline_function_body): New function.
12312 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12313 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12314 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12315 (cgraph_default_inline_p): Likewise.
12316 (cgraph_decide_inlining_incrementally): Likewise.
12317 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12318 (copy_bb): Kill saving; do updating of clones.
12319 (copy_cfg_body): Kill saving.
12320 (initialize_inlined-parameters): Likewise.
12321 (expand_call_inline): Likewise.
12322 (save_body): Kill.
12323 (tree_function_versioning): New parameter "update_clones".
12324 (inlining_p): Kill saving.
12325 * tree-inline.h (tree_function_versioning): Update prototype.
12326 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12327 saving.
12328
12329 2006-01-11 Ian Lance Taylor <ian@airs.com>
12330
12331 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12332 Allow undoing set of machine mode.
12333 (do_SUBST): Use enums instead of is_int.
12334 (do_SUBST_MODE): New function.
12335 (SUBST_MODE): New macro.
12336 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12337 reg and trying to replace reg_regno_rtx with a new register.
12338 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12339 (simplify_set): Use SUBST_MODE.
12340 (distribute_notes): Remove code that tried to update reg notes
12341 for regno_reg_rtx changes.
12342
12343 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12344
12345 PR tree-optimization/23109
12346 PR tree-optimization/23948
12347 PR tree-optimization/24123
12348
12349 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12350 * tree-cfg.c (single_noncomplex_succ): New.
12351 * tree-flow.h (single_noncomplex_succ): Declare it.
12352 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12353 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12354 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12355 insert_bb, register_division_in, insert_reciprocals,
12356 replace_reciprocal, free_bb): New.
12357 (execute_cse_reciprocals_1): Rewritten.
12358 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12359 Do not commit any edge insertion. Always compute dominators and
12360 create the allocation pool.
12361 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12362 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12363 * targhooks.c (default_min_divistions_for_recip_mul): New.
12364 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12365 * passes.c (init_optimization_passes): Run recip after tree loop
12366 optimizations.
12367 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12368
12369 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12370 Kenneth Zadeck <zadeck@naturalbridge.com>
12371
12372 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12373 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12374 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12375 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12376 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12377 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12378 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12379 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12380 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12381 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12382 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12383 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12384 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12385 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12386 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12387 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12388 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12389 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12390 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12391 DF_SCAN_POST_ALLOC): New macros.
12392 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12393 df_free_bb_function, df_local_compute_function, df_init_function,
12394 df_dataflow_function, df_confluence_function_0,
12395 df_confluence_function_n, df_transfer_function,
12396 df_finalizer_function, df_free_function, df_dump_problem_function,
12397 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12398 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12399 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12400 df_urec_bb_info, ) New types.
12401 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12402 variables.
12403 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12404 df_analyze_simple_change_some_blocks,
12405 df_analyze_simple_change_one_block, df_compact_blocks,
12406 df_bb_replace, df_bb_regno_last_use_find,
12407 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12408 df_insn_regno_def_p, df_find_def, df_find_use,
12409 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12410 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12411 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12412 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12413 debug_df_chain, df_get_dependent_problem, df_chain_create,
12414 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12415 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12416 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12417 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12418 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12419 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12420 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12421 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12422 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12423 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12424 df_reorganize_refs, df_set_state, df_hard_reg_init,
12425 df_read_modify_subreg_p) New public functions.
12426 * df-core.c: The core dataflow solver and glue routines for rtl
12427 dataflow.
12428 (df_init, df_add_problem, df_set_blocks, df_finish,
12429 df_hybrid_search_forward, df_hybrid_search_backward,
12430 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12431 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12432 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12433 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12434 df_reg_defined, df_find_use, df_reg_used, df_dump,
12435 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12436 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12437 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12438 debug_df_useno, reset_df_after_reload): New functions.
12439 * df-scan.c: The scanning fuctions, once in df.c, completely
12440 rewritten so that they now fully model the functionality of
12441 register usage at the backend.
12442 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12443 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12444 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12445 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12446 df_get_artificial_defs, df_get_artificial_uses,
12447 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12448 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12449 df_refs_delete, df_reorganize_refs, df_set_state,
12450 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12451 df_def_record_1, df_defs_record, df_uses_record,
12452 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12453 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12454 df_record_exit_block_uses, df_hard_reg_init): New functions.
12455
12456 * df-problems.c: Seven concrete dataflow problems that use the
12457 scanning in df-scan.c and are solved by the engine in df-core.c.
12458 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12459 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12460 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12461 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12462 df_ru_free_bb_info, df_ru_alloc,
12463 df_ru_bb_local_compute_process_def,
12464 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12465 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12466 df_ru_transfer_function, df_ru_free, df_ru_dump,
12467 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12468 df_rd_free_bb_info, df_rd_alloc,
12469 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12470 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12471 df_rd_transfer_function, df_rd_free, df_rd_dump,
12472 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12473 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12474 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12475 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12476 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12477 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12478 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12479 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12480 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12481 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12482 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12483 df_urec_mark_reg_use_for_earlyclobber,
12484 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12485 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12486 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12487 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12488 df_chain_create_bb_process_use, df_chain_create_bb,
12489 df_chain_finalize, df_chain_free, df_chains_dump,
12490 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12491 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12492 df_reg_lifetime): New functions.
12493 * df.c: Deleted file.
12494 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12495 consistent with new df api.
12496 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12497 rest_of_handle_sms): Ditto.
12498 * web.c (unionfind_union, union_defs, entry_register, web_main):
12499 Ditto.
12500 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12501 invariant_expr_equal_p, find_defs, check_dependencies,
12502 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12503 free_inv_motion_data, move_loop_invariants): Ditto.
12504 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12505 Update dependencies.
12506 (odf.c): Added defective entry that was deleted later in day.
12507 * sched-deps.c (sched_analyze_1): Ditto.
12508
12509 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12510
12511 * tree-ssa-operands.c (get_expr_operands): Record addressable
12512 variables directly. Do not call add_stmt_operands for CONST_DECLs
12513 and ARRAY_DECLs.
12514 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12515 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12516
12517 2006-01-11 Ben Elliston <bje@au.ibm.com>
12518
12519 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12520 function returns true in the positive case.
12521
12522 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12523
12524 PR target/20754
12525 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12526 for SI, DI, SF and DF modes. Add alternatives to copy between
12527 general and floating point registers to the 32-bit patterns.
12528 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12529 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12530 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12531 generating 64-bit code.
12532 * config/pa/pa.c (output_move_double): Handle copies between general
12533 and floating registers.
12534
12535 2006-01-10 Stuart Hastings <stuart@apple.com>
12536
12537 * config/i386/i386.md (set_got): Update.
12538 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12539 (builtin_setjmp_receiver): Mach-O support.
12540 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12541 (GOT_SYMBOL_NAME): Define.
12542 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12543 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12544 * config/i386/i386.c (override_options): Revise for Darwin.
12545 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12546 support. (darwin_x86_file_end): New. (output_set_got): Add label
12547 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12548 * config/i386/i386-protos.h (output_set_got): Likewise.
12549 * config/darwin.c (machopic_legitimize_pic_address): Update
12550 regs_ever_live[].
12551
12552 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12553
12554 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12555 when MODE isn't BLKmode.
12556
12557 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12558
12559 PR rtl-optimization/25367
12560 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12561
12562 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12563
12564 PR target/25718
12565 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12566 for a negative bound.
12567
12568 2006-01-10 Richard Guenther <rguenther@suse.de>
12569
12570 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12571 Never override with anything constraint.
12572
12573 2006-01-10 Jan Beulich <jbeulich@novell.com>
12574
12575 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12576 256 bits when optimize_size.
12577
12578 2006-01-10 Jan Beulich <jbeulich@novell.com>
12579
12580 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12581 MASK_ALIGN_DOUBLE.
12582 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12583 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12584 arguments.
12585
12586 2006-01-10 Ben Elliston <bje@au.ibm.com>
12587
12588 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12589 float modes.
12590 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12591 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12592 (USE_FP_FOR_ARG): Reject decimal float modes.
12593 (function_arg_advance): Likewise.
12594 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12595 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12596 point types in AltiVec vectors.
12597 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12598 (rs6000_libcall_value): Likewise.
12599
12600 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12601
12602 * config/xtensa/ieee754-df.S: New file.
12603 * config/xtensa/ieee754-sf.S: New file.
12604 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12605 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12606 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12607
12608 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12609
12610 * config/sh/predicates.md (binary_float_operator,
12611 binary_logical_operator, commutative_float_operator,
12612 equality_comparison_operator, greater_comparison_operator,
12613 less_comparison_operator, logical_operator,
12614 noncommutative_float_operator, shift_operator,
12615 symbol_ref_operand, unary_float_operator): Remove redundant
12616 conditionals.
12617
12618 2006-01-09 Jeff Law <law@redhat.com>
12619
12620 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12621 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12622 now unused arguments. Callers updated.
12623 (eliminate_redundant_computations): Remove now unused arguments,
12624 callers updated.
12625 (local_fold): Remove, no longer used.
12626 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12627 and moved to...
12628 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12629 (simplify_cond): New function.
12630 (forward_propagate_into_cond): Call simplify_cond.
12631
12632 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12633
12634 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12635 (*vec_extractv2di_1_sse): New.
12636
12637 2006-01-09 Ben Elliston <bje@au.ibm.com>
12638
12639 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12640
12641 2006-01-08 Richard Guenther <rguenther@suse.de>
12642
12643 * tree-ssa-structalias.c (get_constraint_for): Remove
12644 anyoffset argument.
12645 (get_constraint_for_component_ref): Likewise.
12646 (do_deref): Likewise.
12647 (get_constraint_for): Likewise.
12648 (do_structure_copy): Likewise.
12649 (handle_ptr_arith): Likewise.
12650 (find_func_aliases): Likewise. Remove unused need_anyoffset
12651 variable.
12652
12653 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12654 Kaz Kojima <kkojima@gcc.gnu.org>
12655
12656 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12657 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12658 (EXTRA_CONSTRAINT_C16): Remove.
12659 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12660 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12661 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12662 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12663 constants of SHmedia. Handle nested constant expressions of
12664 SHmedia correctly.
12665 (andcosts): Fix the costs for SHmedia constants.
12666 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12667 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12668 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12669 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12670 (movv4hi_i, movv2si_i): Likewise.
12671 (movsi_const): Adjust the second operand of ior so to match with
12672 the Csu constraint.
12673 (movdi_const, movdi_const_32bit): Likewise.
12674 (movdi_const_16bit+1): Don't sign-extend LOW.
12675 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12676 step.
12677 (*double_shori): Fix the split condition. Use GEN_INT instead
12678 of get_int_mode calls. Mask lower 16-bit of the argument of
12679 the last GEN_INT.
12680 (sym2GOTPLT): Remove.
12681 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12682 gen_rtx_UNSPEC.
12683 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12684 instead of EXTRA_CONSTRAINT_C16.
12685
12686 2006-01-07 Ian Lance Taylor <ian@airs.com>
12687 David Edelsohn <edelsohn@gnu.org>
12688
12689 PR rtl-optimization/25662
12690 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12691 for constant operands instead of simplify_gen_binary.
12692 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12693 after trying simplify_binary_operation
12694
12695 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12696
12697 * tree.c (iterative_hash_expr): Hash decls based on UID.
12698
12699 2006-01-06 Eric Christopher <echristo@apple.com>
12700
12701 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12702 (TARGET_UNWIND_EMIT): Fix spelling.
12703 * target.h (gcc_target): Add except_table_label.
12704 * except.c (output_function_exception_table): Use.
12705 * varasm.c (default_emit_except_table_label): New.
12706 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12707 define.
12708 (asm_out): Add here.
12709 * output.h (default_emit_except_table_label): Prototype.
12710 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12711 * config/darwin.c (darwin_emit_except_table_label): Define.
12712 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12713
12714 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12715
12716 PR tree-optimization/18527
12717 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12718 number_of_iterations_special, number_of_iterations_exit):
12719 Move base and step of an iv to a single structure. Add
12720 no_overflow flag, and use it in # of iterations analysis.
12721 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12722 folded_casts argument.
12723 (simple_iv): Pass base and step in a structure. Set no_overflow
12724 flag.
12725 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12726 Evaluate expensiveness of computing # of iterations instead of
12727 the final expression.
12728 * tree-scalar-evolution.h (affine_iv): New structure.
12729 (simple_iv): Declaration changed.
12730 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12731 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12732 find_givs_in_stmt): Changed due to simple_iv change.
12733
12734 2006-01-06 Jeff Law <law@redhat.com>
12735
12736 PR ada/24994
12737 * tree-cfg.c (bsi_replace): Rename final argument from
12738 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12739 change (stmt -> orig_stmt).
12740 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12741 (bsi_remove): Add new argument. Remove EH information
12742 if requested.
12743 (verify_eh_throw_table_statements): New function.
12744 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12745 updated.
12746 * tree-optimize.c (execute_free_cfg_annotations): Verify
12747 the EH throw statement table after removing annotations.
12748 * except.h (verify_eh_throw_table_statements): Prototype.
12749 * tree-flow.h (bsi_remove): Update prototype.
12750 * tree-vrp.c (remove_range_assertions): Add new argument to
12751 bsi_remove call.
12752 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12753 * tree-complex.c (expand_complex_div_wide): Likewise.
12754 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12755 * tree-tailcall.c (eliminate_tailcall): Likewise.
12756 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12757 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12758 * tree-nrv.c (tree_nrv): Likewise.
12759 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12760 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12761 (combine_blocks): Likewise.
12762 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12763 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12764 (cleanup_control_flow): Likewise.
12765 (remove_forwarder_block): Likewise.
12766 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12767 * tree-sra.c (sra_replace): Likewise.
12768 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12769 (forward_propagate_single_use_vars): Likewise.
12770 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12771 * tree-inline.c (expand_call_inline): Likewise.
12772 * tree-vect-transform.c (vect_transform_loop): Likewise.
12773 * tree-outof-ssa.c (rewrite_trees): Likewise.
12774 * tree-cfg.c (make_goto_expr_edges): Likewise.
12775 (cleanup_dead_labels): Likewise.
12776 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12777 (bsi_move_before, bsi_move_after): Likewise.
12778 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12779 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12780
12781 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12782
12783 PR tree-opt/25528
12784 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12785 and IMAGPART_EXPR.
12786 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12787 on non gimple variables. Also add checks at the top for decls and
12788 mtags.
12789 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12790 complex types.
12791 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12792 and IMAGPART_EXPR for creating MUST_DEFs.
12793 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12794 and NAME_MEMORY_TAG separately from the DECLs.
12795
12796 2006-01-06 Richard Guenther <rguenther@suse.de>
12797
12798 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12799 annotation, if necessary.
12800 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12801 redundant calls to update_stmt.
12802 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12803 Likewise.
12804
12805 2006-01-05 Richard Henderson <rth@redhat.com>
12806
12807 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12808
12809 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12810
12811 * c-typeck.c: Update copyright date.
12812
12813 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12814
12815 * c-typeck.c (build_c_cast): Always warn when casting
12816 from a pointer to an integer of different size, even if
12817 the node was constant.
12818
12819 2006-01-05 Richard Guenther <rguenther@suse.de>
12820
12821 PR tree-optimization/22555
12822 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12823 if one structure field is an array.
12824 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12825 operands even if we found a subvar, but ignore VOPs in this
12826 case.
12827 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12828 for renaming.
12829 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12830
12831 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12832
12833 PR middle-end/24998
12834 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12835
12836 2006-01-05 Richard Guenther <rguenther@suse.de>
12837 Diego Novillo <dnovillo@redhat.com>
12838
12839 * tree-pass.h (TODO_remove_unused_locals): Define.
12840 * gimple-low.c (expand_var_p, remove_useless_vars,
12841 pass_remove_useless_vars): Remove. Update all users.
12842 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12843 (remove_unused_locals): New function.
12844 * tree-flow.h (remove_unused_locals): Declare.
12845 * passes.c (execute_todo): Call remove_unused_locals if
12846 TODO_remove_unused_locals is set.
12847 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12848 * tree-ssa-dce.c (pass_dce): Likewise.
12849 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12850
12851 2006-01-05 Richard Guenther <rguenther@suse.de>
12852
12853 * tree-flow.h (struct fieldoff): Decompose field to
12854 type, size and decl.
12855 * tree-ssa-alias.c (create_sft): Take type as parameter.
12856 (create_overlap_variables_for): Store type, size and decl
12857 in the fieldoff structure.
12858 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12859 of struct fieldoff.
12860 (push_fields_onto_fieldstack): Likewise.
12861 (create_variable_info_for): Likewise. Use offset for the
12862 SFT name if the decl is not available.
12863
12864 2006-01-04 Paul Brook <paul@codesourcery.com>
12865
12866 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12867
12868 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12869
12870 * lambda-code.c (can_put_in_inner_loop): Relax
12871 restrictions.
12872 (can_put_after_inner_loop): New function.
12873 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12874 (perfect_nestify): Change to make copies and modify uses.
12875
12876 2006-01-04 Richard Henderson <rth@redhat.com>
12877
12878 Merge from gomp branch:
12879 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12880 via integer constant.
12881 (pragma_lex): Remove.
12882 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12883 rather than parsing it.
12884 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12885 handle_pragma_extern_prefix): Add %< %> quotes.
12886 (registered_pragmas): New.
12887 (c_register_pragma_1): New.
12888 (c_register_pragma): Use it.
12889 (c_register_pragma_with_expansion): Likewise.
12890 (c_invoke_pragma_handler): New.
12891 (init_pragma): Use cpp_register_deferred_pragma directly for
12892 pch_preprocess.
12893 * c-pragma.h (enum pragma_kind): New.
12894 (pragma_handler): New.
12895 (c_invoke_pragma_handler): Declare.
12896 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12897 CPP_PRAGMA_EOL.
12898 * c-common.h (c_common_pch_pragma): Update decl.
12899 * Makefile.in (c-parser.o): Update dependencies.
12900 (GTFILES): Add c-pragma.h.
12901 * c-parser.c (struct c_token): Add pragma_kind.
12902 (struct c_parser): Add in_pragma.
12903 (c_lex_one_token): Always initialize keyword and pragma_kind.
12904 Extract data for CPP_PRAGMA.
12905 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12906 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12907 Don't allow CPP_PRAGMA_EOL if in_pragma.
12908 (c_parser_consume_pragma): New.
12909 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12910 (c_parser_skip_to_end_of_parameter): Likewise.
12911 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12912 (c_parser_skip_to_pragma_eol): New.
12913 (c_parser_external_declaration): Handle CPP_PRAGMA.
12914 (c_parser_compound_statement_nostart): Likewise.
12915 (c_parser_statement_after_labels): Likewise.
12916 (c_parser_pragma): New.
12917 (pragma_lex): Likewise.
12918 (c_parser_pragma_pch_preprocess): New.
12919 (c_parser_new): Merge into ...
12920 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12921
12922 2006-01-04 Jeff Law <law@redhat.com>
12923
12924 PR ada/24994
12925 * tree-cfg.c (bsi_replace): Remove the original statement
12926 from the EH throw statement table.
12927
12928 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12929
12930 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12931 make the prototype extern "C" and add throw ().
12932
12933 PR target/25554
12934 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12935 and pos non-negative and pos + len <= 32.
12936 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12937 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12938 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12939
12940 PR c/25559
12941 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12942 as well as sizes not multiple of component size.
12943
12944 PR debug/25562
12945 * function.c (instantiate_expr): New function.
12946 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12947 walk its DECL_VALUE_EXPR with instantiate_expr.
12948
12949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12950 DW_OP_deref{,_size} if address isn't going to be added.
12951
12952 2006-01-04 Ben Elliston <bje@au.ibm.com>
12953
12954 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12955 * config/fp-bit.c: Likewise.
12956
12957 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12958
12959 * dominance.c: Add comment about why we use DFS numbering
12960 of dominance tree.
12961
12962 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12963 Richard Henderson <rth@redhat.com>
12964
12965 Merge from gomp-branch:
12966 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12967 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12968
12969 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12970
12971 PR rtl-optimization/25578
12972 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12973 pass a parameter to simplify_shift_const if changing ASHIFTRT
12974 to LSHIFTRT.
12975
12976 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12977
12978 * builtins.c (get_builtin_sync_mem): New function.
12979 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12980 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12981 Call get_builtin_sync_mem to generate mem rtx.
12982
12983 2006-01-03 Richard Guenther <rguenther@suse.de>
12984
12985 PR c/25183
12986 * stmt.c (add_case_node): Make sure to clear overflow flags
12987 from ranges.
12988
12989 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12990
12991 Merge from gomp-branch.
12992 * config/sparc/sync.md: New file.
12993 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12994 UNSPECV_LDSTUB): New constants.
12995 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12996 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12997 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12998 prototype.
12999
13000 2006-01-03 Roger Sayle <roger@eyesopen.com>
13001
13002 * combine.c (reg_subword_p): New predicate to test whether the
13003 destination of a set refers to a subword/piece of a register.
13004 (try_combine): Generalize the code to merge the setting of a
13005 pseudo to a constant followed by a set of a subword of that
13006 register to a constant.
13007
13008 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13009
13010 * basic-block.h (control_flow_graph): Change the type of
13011 x_label_to_block_map to VEC(basic_block,gc) *.
13012 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13013 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13014
13015 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13016 VEC(basic_block,heap) *.
13017 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13018 ssa_prop_fini): Adjust the uses of cfg_blocks.
13019
13020 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13021
13022 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13023 COMPONENT_REFs.
13024 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13025 hashing trees instead of a pointer hash.
13026 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13027 compare for MEM_EXPR.
13028
13029 PR rtl-optimization/25130
13030 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13031 when comparing MEMs for GCSE
13032
13033 2006-01-03 Ben Elliston <bje@au.ibm.com>
13034
13035 * targhooks.h (default_decimal_float_supported_p): Declare.
13036 * targhooks.c (default_decimal_float_supported_p): Define.
13037 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13038 `default_decimal_float_supported_p'.
13039 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13040
13041 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13042
13043 * combine.c (apply_distributive_law <SUBREG>): Check
13044 TRULY_NOOP_TRUNCATION.
13045
13046 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13047
13048 * dwarf2out.c (have_switched_text_section): Delete.
13049 (have_multiple_function_sections): New.
13050 (have_location_lists): Make 'bool'.
13051 (add_AT_loc_list): Use 'true' not '1'.
13052 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13053 (output_loc_list): Use have_multiple_function_sections.
13054 (output_ranges): Likewise.
13055 (dwarf2out_begin_function): Set have_multiple_function_sections if
13056 necessary.
13057 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13058 Check function_section rather than DECL_SECTION_NAME.
13059 (dwarf2out_finish): Use have_multiple_function_sections.
13060 Don't clear have_location_lists.
13061
13062 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13063 Jan Hubicka <jh@suse.cz>
13064
13065 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13066 case of conditional jump jumping to the next instruction.
13067 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13068 cases of conditional jump jumping to the next instruction.
13069
13070 2006-01-02 Jan Hubicka <jh@suse.cz>
13071
13072 * i386.c (*_cost): Add COSTS_N_INSNS.
13073 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13074
13075 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13076
13077 PR target/25259
13078 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13079
13080 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13081
13082 * config/arm/arm.c (all_fpus): Fix comment typo.
13083 * config/darwin.c: Likewise.
13084 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13085 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13086 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13087
13088 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13089
13090 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13091 (rs6000_split_compare_and_swapqhi): New.
13092 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13093 (sync_compare_and_swapqhi_internal): New.
13094 * config/rs6000/rs6000-protos.h: Declare.