re PR target/28285 (duplicate case value in alpha_swapped_comparison operator)
[gcc.git] / gcc / ChangeLog
1 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2
3 PR target/28285
4 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5 Remove duplicate gtu.
6
7 2006-07-05 Jason Merrill <jason@redhat.com>
8
9 PR c++/13983
10 PR c++/17519
11 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
12 * c-common.c (handle_packed_attribute): So don't copy it here.
13 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
14
15 2006-07-05 Mike Stump <mrs@apple.com>
16
17 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
18
19 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
20
21 PR target/26146
22 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
23
24 2006-07-05 Richard Guenther <rguenther@suse.de>
25
26 PR target/28158
27 * config/i386/i386.md (*negdf2_1): Restrict pattern to
28 TARGET_SSE2 targets if using SSE math.
29 (*absdf2_1): Likewise.
30
31 2006-07-05 Richard Guenther <rguenther@suse.de>
32
33 PR tree-optimization/28162
34 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
35 make sure to convert the operands to the correct type.
36
37 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
38
39 PR tree-optimization/28218
40
41 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
42 to calculate and free the dominator information.
43
44 2006-07-04 Peter O'Gorman <peter@pogma.com>
45
46 * mklibgcc.in: chmod 644 before ranlib during install.
47
48 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
49 J"orn Rennecke <joern.rennecke@st.com>
50
51 * configure.ac (.eh_frame data check): Use diff -b.
52
53 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
54
55 PR bootstrap/18058
56 * Makefile.in (BUILD_RTL): Add build/vec.o.
57 (build/gencondmd.o): Filter out -fkeep-inline-functions.
58 (build/genextract): Delete.
59 (build/genautomata): Likewise.
60
61 2006-07-04 Alan Modra <amodra@bigpond.net.au>
62
63 PR target/28207
64 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
65 128-bit IBM long doubles for ABI_V4.
66
67 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
68
69 * tree.c (range_in_array_bounds_p): New predicate.
70 * tree.h (range_in_array_bounds_p): Declare it.
71 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
72 return a less conservative answer.
73 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
74 and flag 'is_group'.
75 (IS_ELEMENT_FOR_GROUP): New macro.
76 (FOR_EACH_ACTUAL_CHILD): Likewise.
77 (next_child_for_group): New helper function.
78 (can_completely_scalarize_p): Take into account groups.
79 (sra_hash_tree): Handle RANGE_EXPR.
80 (sra_elt_eq): Likewise.
81 (lookup_element): Be prepared for handling groups.
82 (is_valid_const_index): Delete.
83 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
84 instead of is_valid_const_index.
85 <ARRAY_RANGE_REF>: New case.
86 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
87 is_valid_const_index.
88 <ARRAY_RANGE_REF>: Do not unconditionally punt.
89 (scan_dump): Dump info for groups too.
90 (decide_instantiation_1): Likewise.
91 (decide_block_copy): Assert that the element is not a group.
92 Propagate decision to groups.
93 (generate_one_element_ref): Handle RANGE_EXPR.
94 (mark_no_warning): Iterate over actual childs.
95 (generate_copy_inout): Likewise.
96 (generate_element_copy): Likewise.
97 (generate_element_zero): Likewise.
98 (generate_element_init_1): Likewise.
99 (dump_sra_elt_name): Handle RANGE_EXPR.
100
101 2006-07-03 Roger Sayle <roger@eyesopen.com>
102
103 PR tree-optimization/26251
104 * tree-ssa-threadupdate.c (redirection_block_p): New function.
105 (thread_block): When optimizing for size refuse to thread jumps
106 that would require duplication of blocks other than redirection
107 blocks.
108
109 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
110
111 * configure.ac: Fix thinko in previous check-in.
112 * configure: Regenerate.
113
114 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
115
116 PR other/27063
117 * configure.ac (for lang...): Simplify nesting of conditionals.
118 Test subdir_requires for non-enabled languages. Move processing
119 of lang_opt_files and lang_tree_fiels below that test.
120 * configure: Regenerate.
121 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
122
123 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
124
125 * doc/gcov.texi (Invoking Gcov): Add a missing word.
126
127 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
128
129 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
130 comment typos.
131
132 2006-06-29 Jason Merrill <jason@redhat.com>
133
134 PR c++/26905
135 PR c++/26612
136 PR c++/27000
137 PR c++/26984
138 PR c++/19134
139 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
140 * c-common.c (c_determine_visibility): Handle it here.
141 * c-decl.c (finish_decl): Call c_determine_visibility for
142 functions, too.
143 * flags.h (enum symbol_visibility): Sort from most to least visibility.
144 * tree.h: Likewise.
145 * varasm.c (default_assemble_visibility): Likewise.
146 * c-common.c (handle_visibility_attribute): Complain about trying
147 to give visibility to an already defined class, or trying to change
148 declared visibility. Always attach the attribute.
149
150 PR c++/26905
151 PR c++/21675
152 PR c++/17470
153 * attribs.c (decl_attributes): Ignore type-in-place attributes
154 once the type has been defined.
155
156 2006-06-29 Roger Sayle <roger@eyesopen.com>
157
158 PR middle-end/27428
159 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
160 to indicate the cpplib has issued an error message for us.
161
162 2006-06-29 Asher Langton <langton2@llnl.gov>
163
164 PR target/25765
165 * config/i386/i386.c (ix86_output_function_epilogue): Don't
166 insert a label at the end of an function under Mach-O.
167
168 2006-06-29 Eric Christopher <echristo@apple.com>
169 Evan Cheng <evan.cheng@apple.com>
170
171 * predicates.md (vector_all_ones_operand): New.
172 (nonimmediate_or_sse_const_operand): Ditto.
173 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
174 * config/i386/i386.c (standard_sse_constant_opcode): Define.
175 (standard_sse_mode_p): Ditto.
176 (standard_sse_constant_p): Add case for -1 vector.
177 (ix86_expand_vector_move): Try to use.
178 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
179 Call standard_sse_constant_opcode.
180 (*movv4sf_internal): Ditto.
181 (*movv2df_internal): Ditto.
182
183 2006-06-29 Roger Sayle <roger@eyesopen.com>
184
185 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
186 of XEXP to extract the operands of a MATCH_CODE rtx.
187
188 2006-06-28 Andrew Pinski <pinskia@gmail.com>
189
190 * tree.c (tree_size): Do not waste tail padding in
191 struct tree_string and make the size be the same as
192 build_string will generate.
193
194 2006-06-28 Jason Merrill <jason@redhat.com>
195
196 PR c++/27768
197 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
198 may_aliases already in the tag's annotations to the bitmap.
199
200 2006-06-28 Roger Sayle <roger@eyesopen.com>
201
202 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
203
204 2006-06-28 Roger Sayle <roger@eyesopen.com>
205
206 * genpreds.c (generate_switch_p): New function.
207 (add_mode_tests): Push the new mode test down inside an AND expr
208 if this allows the switch-suitable MATCH_CODE to be near the root.
209 (write_match_code_switch): New function to write a MATCH_CODE as
210 a switch statement.
211 (write_predicate_stmts): New function to write a predicate RTX
212 expression as a sequence of statements.
213 (write_one_predicate_function): Use write_predicate_stmts.
214 (write_tm_constrs_h): Likewise.
215
216 2006-06-26 Fred Fish <fnf@specifix.com>
217
218 * config/mips/t-sb1: New file.
219 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
220 tmake_file list.
221
222 2006-06-26 DJ Delorie <dj@redhat.com>
223
224 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
225
226 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
227 Jayant Sonar <jayants@kpitcummins.com>
228 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
229
230 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
231 (subsi3, subsi3_1, subsi3_2): New.
232 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
233 * config/m32c/mov.md (SI mov peephole): New.
234 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
235 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
236
237 2006-06-26 Olivier Hainque <hainque@adacore.com>
238
239 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
240 a CALL_EXPR target function declaration.
241
242 2006-06-26 Richard Guenther <rguenther@suse.de>
243
244 * tree.c (build_string): Do not waste tail padding in
245 struct tree_string.
246
247 2006-06-26 Richard Guenther <rguenther@suse.de>
248
249 * ggc-page.c (init_ggc): Add missing element to size_lookup
250 table.
251
252 Revert
253 2006-06-23 Richard Guenther <rguenther@suse.de>
254
255 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
256 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
257 alignment requests instead. Add verification code.
258 Add struct tree_function_decl and struct tree_binfo size to
259 extra_order_size_table. Add missing element to size_lookup
260 table.
261
262 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
263
264 PR middle-end/28151
265 * fold-const.c (const_binop): Be prepared for self returning zero.
266 Simplify code handling complex values.
267
268 2006-06-24 Olivier Hainque <hainque@adacore.com>
269
270 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
271 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
272 aggregate types.
273
274 2006-06-24 Olivier Hainque <hainque@adacore.com>
275
276 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
277 ARRAY_REF, so have the callback called for the low bound expression.
278
279 2006-06-23 Janis Johnson <janis187@us.ibm.com>
280
281 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
282 * c-typeck.c (c_common_type): Disallow operations on decimal float
283 types and other float types.
284 * convert.c (convert_to_real): Don't ignore conversions involving
285 decimal float types.
286
287 2006-06-23 Olivier Hainque <hainque@adacore.com>
288
289 * tree.c (max_int_size_in_bytes): New function, inspired from
290 code in function.c:assign_temp.
291 * tree.h (max_int_size_in_bytes): Declare.
292 * function.c (assign_temp): Use it.
293 * gimplify.c (create_tmp_var): Relax the assertions on the type
294 properties, not mandating constant size any more.
295 (force_constant_size): New static function.
296 (gimple_add_tmp_var): Use it, forcing variable size to a
297 constant upper bound if it is not constant on entry.
298
299 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
300
301 PR target/27789
302 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
303 for initialization and setting of one_only flag to ...
304 (i386_pe_encode_section_info): ...here.
305 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
306 Recheck that the symbol has not been defined.
307
308 2006-06-23 Richard Guenther <rguenther@suse.de>
309
310 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
311 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
312 alignment requests instead. Add verification code.
313 Add struct tree_function_decl and struct tree_binfo size to
314 extra_order_size_table. Add missing element to size_lookup
315 table.
316
317 2006-06-22 Roger Sayle <roger@eyesopen.com>
318 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
319
320 PR middle-end/28131
321 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
322 call to lang_hooks.types.type_for_mode returned NULL_TREE.
323
324 2006-06-23 Ben Elliston <bje@au.ibm.com>
325
326 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
327 negate dn -- manipulate it directly.
328
329 2006-06-22 Roger Sayle <roger@eyesopen.com>
330 Steven Bosscher <stevenb.gcc@gmail.com>
331
332 PR target/27531
333 * reload1.c (gen_reload): Call mark_jump_label on the new insns
334 generated by gen_move_insn to add REG_LABEL notes if necessary.
335
336 2006-06-22 Bob Wilson <bob.wilson@acm.org>
337
338 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
339 (leaf_entry): Remove use of MIN_ESA.
340
341 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
342
343 PR rtl-optimization/28121
344 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
345 the entry edge.
346
347 2006-06-21 DJ Delorie <dj@redhat.com>
348
349 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
350 (TN-16C-A156A/E).
351 (mulhisi3_r): Likewise.
352
353 2006-06-21 Richard Sandiford <richard@codesourcery.com>
354
355 PR middle-end/28034
356 * coverage.c (coverage_counter_alloc): Leave the index type
357 unspecified.
358 (coverage_counter_alloc): Use null arguments for operands 2 and 3
359 of the ARRAY_REF.
360
361 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
362
363 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
364 section from the "Options for Code Generation Conventions".
365
366 2006-06-21 Richard Henderson <rth@redhat.com>
367
368 PR target/26347
369 PR target/27082
370 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
371 symbols.
372 (global_symbolic_operand): Allow weak symbols, even if local_p.
373
374 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
375
376 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
377 (find_interesting_uses_address): Punt if above function returns true.
378
379 2006-06-21 Richard Guenther <rguenther@suse.de>
380
381 * configure: Regenerated.
382
383 2006-06-21 Joseph Myers <joseph@codesourcery.com>
384
385 * config/mips/mips.c (function_arg): Where one part of a
386 complex argument is in registers and the other part in the stack,
387 return a REG not a PARALLEL.
388
389 2006-06-21 Mark Mitchell <mark@codesourcery.com>
390
391 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
392 when cross-compiling. Do not substitute libstdcxx_incdir.
393 * configure: Regenerated.
394
395 2006-06-21 Jakub Jelinek <jakub@redhat.com>
396
397 * varasm.c (mergeable_string_section): Check for embedded NULs and
398 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
399 rather than TREE_STRING_LENGTH bytes.
400
401 2006-06-21 Richard Guenther <rguenther@suse.de>
402
403 * ggc-page.c (extra_order_size_table): Add var_ann_d,
404 tree_ssa_name, bitmap_element and phi_node with 4 arguments
405 sizes.
406
407 2006-06-21 Richrad Guenther <rguenther@suse.de>
408
409 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
410 Limit iteration over the dominators.
411
412 2006-06-20 Roger Sayle <roger@eyesopen.com>
413
414 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
415 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
416
417 2006-06-20 Richard Guenther <rguenther@suse.de>
418 Michael Matz <matz@suse.de>
419
420 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
421 function.
422 * alloc-pool.c (free_alloc_pool_if_empty): New function.
423 * et-forest.h (et_free_pools): Prototype new function.
424 * et-forest.c (et_free_tree_force): Free parent occurrence.
425 (et_free_pools): New function.
426 * dominance.c (free_dominance_info): Free et-forest alloc
427 pools.
428
429 2006-06-20 Roger Sayle <roger@eyesopen.com>
430
431 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
432 integer modes, attempt to directly construct an integer constant.
433
434 * fold-const.c (native_encode_vector): Determine the size of each
435 element from the vector type instead of the first vector element.
436
437 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
438 if all of its elements/components are constant.
439 (build_constructor_from_list): Likewise.
440
441 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
442
443 PR tree-optimization/27331
444 * tree-data-ref.c (free_data_ref): New function.
445 (create_data_ref): Fail if the data reference has unknown access
446 function.
447 (free_data_refs): Use free_data_ref.
448
449 2006-06-19 Andrew Pinski <pinskia@gmail.com>
450
451 PR middle-end/28075
452 * tree-inline.c (setup_one_parameter): Strip useless
453 type conversion before adding it to the IR.
454 (declare_return_variable): Likewise.
455
456 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
457
458 PR c/27149
459 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
460
461 2006-06-19 Mike Stump <mrs@apple.com>
462
463 * tree.c (variably_modified_type_p): VM arguments don't make the
464 type a VM type.
465
466 2006-06-19 Richard Guenther <rguenther@suse.de>
467
468 * tree-ssa-pre.c (try_combine_conversion): Strip useless
469 type conversions after folding.
470
471 2006-06-19 Richard Guenther <rguenther@suse.de>
472
473 * ggc-page.c (extra_order_size_tab): Add entries with
474 size of struct function and basic_block.
475 (size_lookup): Extend to cover sizes up to 511.
476 (ggc_alloc_stat): Adjust user.
477 (ggc_pch_count_object): Likewise.
478 (ggc_pch_alloc_object): Likewise.
479 (ggc_pch_write_object): Likewise.
480
481 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
482
483 * tree-ssa-loop-niter.c (implies_ge_p): New function.
484 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
485 correctly.
486
487 2006-06-19 Denis Chertykov <denisc@overta.ru>
488
489 * config/avr/libgcc.S : Correct my wrong previous commit.
490
491 2006-06-19 Roger Sayle <roger@eyesopen.com>
492
493 PR target/27861
494 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
495 have stripped a SUBREG from the shift count, so we may need to
496 convert_to_mode back to the type's mode before calling make_tree.
497 Use new_amount instead of amount to avoid expanding a tree twice.
498
499 2006-06-19 Richard Guenther <rguenther@suse.de>
500
501 PR middle-end/28045
502 * fold-const.c (operand_equal_p): Check if the argument types
503 have the same precision before stripping NOPs.
504
505 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
506
507 Fix PR tree-optimization/27341
508 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
509 statement we get.
510 * tree-complex.c (pass_lower_complex): Update SMT usage.
511
512 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
513
514 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
515 Add a new alternative to the constraint strings. Add move of
516 operand 1 to 3 to the splitter definition.
517 ("doloop_si_long"): Second contraint alternative removed.
518
519 2006-06-08 Anatoly Sokolov <aesok@post.ru>
520
521 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
522 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
523 __AVR_HAVE_LPMX__.
524 (AVR_HAVE_MOVW) Define.
525 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
526 (ASM_SPEC): Add avr25.
527 (LINK_SPEC): Add avr25.
528 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
529 (base_arch_s): Add new member 'have_movw_lpmx'.
530 (avr_arch_types): Init 'have_movw_lpmx'.
531 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
532 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
533 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
534 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
535 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
536 AVR_HAVE_MOVW.
537 (avr_file_start): Do not output '.arh' derective.
538 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
539 (__do_copy_data): Use __AVR_HAVE_LPMX__.
540 * config/avr/avr.md (mcu_enhanced): Delete.
541 (mcu_have_movw): Define.
542 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
543 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
544 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
545 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
546 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
547 attiny861 and at86rf401 devices.
548
549 2006-06-18 Jie Zhang <jie.zhang@analog.com>
550
551 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
552 of 4096.
553
554 2006-06-17 Karl Berry <karl@gnu.org>
555
556 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
557 doc/gccint.texi, doc/install.texi (@dircategory): Use
558 "Software development" instead of "Programming", following
559 the Free Software Directory.
560
561 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
562
563 * config/i386/i386.c (legitimate_tls_address)
564 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
565 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
566 (*tls_dynamic_gnu2_combine_64): Likewise.
567
568 2006-06-16 Richard Guenther <rguenther@suse.de>
569
570 PR middle-end/27116
571 * fold-const.c (negate_expr_p): Do not introduce undefined
572 overflow in negating INTEGER_CSTs.
573 (fold_negate_expr): Rename from negate_expr. Revert last
574 change for folding BIT_NOT_EXPR. Change semantics to
575 return NULL_TREE for non-simplified negations. Do not
576 strip type conversions and unify type handling.
577 (negate_expr): New function, wrap around fold_negate_expr
578 but ensure building a tree always. Strip type conversions
579 here, fold to result type.
580 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
581
582 2006-06-16 Roger Sayle <roger@eyesopen.com>
583
584 PR middle-end/27802
585 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
586 that (would) return their results in stack registers.
587
588 2006-06-16 Michael Matz <matz@suse.de>
589 Richard Guenther <rguenther@suse.de>
590
591 * fold-const.c (fold_truthop): Only return new tree node if
592 we canonicalized something.
593
594 2006-06-16 Richard Guenther <rguenther@suse.de>
595
596 * function.h (enum function_frequency): Move declaration
597 out of struct function.
598 (struct function): Move bool fields and the enum to the bitfield
599 section. Reorder elements to avoid padding. Remove unused
600 fields left over from the RTL inliner removal.
601 * function.c (free_after_compilation): Do not zero removed fields.
602 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
603 (ipa-type-escape.o): Likewise.
604
605 2006-06-16 Richard Guenther <rguenther@suse.de>
606
607 * cgraph.h (struct cgraph_local_info): Turn bool elements
608 into a bitfield.
609 (struct cgraph_node): Likewise.
610 (struct cgraph_varpool_node): Likewise.
611
612 2006-06-15 Richard Guenther <rguenther@suse.de>
613
614 * fold-const.c (fold_truth_not_expr): Rename from
615 invert_truthvalue. Give it fold_* semantics to avoid
616 generating garbage.
617 (invert_truthvalue): New function. Wrapper around
618 fold_truth_not_expr.
619 (optimize_minmax_comparison): Avoid creating garbage.
620 (fold_unary): Use fold_truth_not_expr for folding
621 TRUTH_NOT_EXPR.
622 (fold_ternary): Replace uses of invert_truthvalue with
623 fold_truth_not_expr where applicable.
624 * tree.h (fold_truth_not_expr): Prototype.
625
626 2006-06-16 Richard Guenther <rguenther@suse.de>
627
628 PR tree-optimization/27781
629 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
630 * ipa-pure-const.c (target.h): Include.
631 (analyze_function): Do not analyze functions that do not
632 bind locally.
633
634 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
635
636 PR middle-end/27793
637 * tree-dfa.c (referenced_vars_dup_list): Remove.
638 (find_referenced_vars): Remove assert.
639 (referenced_var_check_and_insert): Replace dup list with assert.
640 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
641 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
642
643 2006-06-15 Richard Guenther <rguenther@suse.de>
644
645 * tree-ssa-structalias.c (alias_get_name): Avoid creating
646 extra unused identifiers if not dumping.
647 (create_variable_info_for): Likewise.
648
649 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
650
651 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
652 (derive_constant_upper_bound): Derive more precise upper bound in
653 common cases. Return type changed to double_int.
654 (record_estimate): Reflect the changed return type of
655 derive_constant_upper_bound.
656 * double-int.c (double_int_zext, double_int_sext): Fix.
657
658 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
659
660 * configure.ac (CFLAGS): Get them from the toplevel or from the
661 configure invocation.
662 * configure: Regenerate.
663 * Makefile.in (CFLAGS): Substitute value provided by configure.
664
665 2006-06-14 Mark Mitchell <mark@codesourcery.com>
666
667 PR c++/26559
668 * c-common.h (c_finish_omp_atomic): Adjust declaration.
669 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
670 rather than calling add_stmt on it.
671 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
672
673 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
674
675 PR middle-end/27959
676 * reload1.c (reload): Remove registers returned by update_eliminables
677 from used_spill_regs.
678
679 2006-06-13 DJ Delorie <dj@redhat.com>
680
681 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
682
683 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
684
685 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
686 html__strip_dir, html__mkdir_p. Enhance install-html target.
687 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
688 * configure: Regenerate.
689
690 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
691
692 * fold-const.c (fold_cond_expr_with_comparison): Check for
693 Objective-C++ as language in deciding COND_EXPR transformation.
694
695 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
696
697 PR target/28014:
698 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
699 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
700 * config/sh/lib1funcs.h (SL, SL1): Define.
701 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
702 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
703 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
704 (OBJS_Os_4_200): New variable.
705 ($(T)libgcc-Os-4-200.a): Use it.
706 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
707 when dividing 1 and/or by 0.
708
709 2006-06-13 Roger Sayle <roger@eyesopen.com>
710
711 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
712 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
713 * configure: Regenerate.
714
715 2006-06-13 Jie Zhang <jie.zhang@analog.com>
716
717 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
718 for real instruction.
719
720 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
721
722 PR middle-end/26807
723 * haifa-sched.c (check_cfg): Handle special case.
724
725 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
726
727 PR debug/26754
728 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
729 Add debug_info parameter. Chain the vars to the BLOCK instead
730 of the BIND_EXPR if debug info are requested for them.
731 (pop_gimplify_context): Adjust for above change.
732 (gimple_add_tmp_var): Likewise.
733 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
734 Add bool parameter.
735 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
736 (convert_local_reference): Likewise.
737 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
738 (finalize_nesting_tree_1): Request that debug info be emitted
739 for debug_var_chain.
740
741 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
742
743 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
744 for PR target/27863.
745
746 2006-06-13 Richard Guenther <rguenther@suse.de>
747
748 PR middle-end/27536
749 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
750
751 2006-06-13 Richard Guenther <rguenther@suse.de>
752
753 PR tree-optimization/27830
754 * tree-inline.c (copy_body_r): For copying the operand
755 of an ADDR_EXPR make sure to fold &* afterwards.
756
757 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
758
759 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
760 lvalues in the fb_none case with side-effects.
761
762 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
763
764 * tree-flow.h: Remove the prototype for
765 compute_phi_arg_on_exit.
766 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
767 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
768 Remove.
769
770 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
771
772 * builtins.c (expand_builtin_return_addr): Only use
773 frame_pointer_rtx when count == 0 and we are expanding
774 __builtin_return_address.
775
776 2006-06-12 Fred Fish <fnf@specifix.com>
777
778 * config/mips/mips.c (mips_file_start): Create special section
779 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
780
781 2006-06-11 Eric Christopher <echristo@apple.com>
782
783 PR middle-end/27948
784 * stor-layout.c (place_field): Remove check for
785 remaining_in_alignment when aligning at the end of a run.
786
787 2006-06-11 Eric Christopher <echristo@apple.com>
788
789 PR 27542
790 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
791 pragma.
792
793 2006-06-11 Roger Sayle <roger@eyesopen.com>
794
795 PR target/27858
796 Revert incorrect fix for PR target/27158
797 2006-05-08 Roger Sayle <roger@eyesopen.com>
798 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
799 of a reg_equiv_constant if the result is a legitimate constant.
800
801 2006-06-11 Roger Sayle <roger@eyesopen.com>
802
803 PR target/27158
804 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
805 extract a CONST_VECTOR element and interpret it as an integer.
806 (vspltis_constant): Use const_vector_elt_as_int instead of the
807 macro CONST_VECTOR_ELT in order to handle FP vector modes.
808 * config/rs6000/predicates.md (easy_vector_const): Consider
809 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
810
811 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
812
813 PR middle-end/27942
814 * stor-layout.c (update_alignment_for_field): Don't add extra
815 alignment for packed non-bitfield fields in ms_bitfield_layout_p
816 code.
817
818 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
819
820 * config/mips/t-rtems: Add EL/EB multilib variants.
821
822 2006-06-09 Mike Stump <mrs@apple.com>
823
824 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
825
826 2006-06-09 David Daney <ddaney@avtrex.com>
827
828 * doc/install.texi: Add binutils version recommendation for mips-*-*.
829
830 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
831
832 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
833
834 2006-06-09 Richard Guenther <rguenther@suse.de>
835
836 PR tree-optimization/26998
837 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
838 of signed types, only TYPE_MIN_VALUE is special, but for both,
839 minimum and maximum value. Likewise VR_ANTI_RANGE is special
840 in this case, as is -fwrapv.
841
842 2006-06-08 Mike Stump <mrs@apple.com>
843
844 PR target/26427
845 * config/darwin.c (darwin_asm_output_anchor): Disable
846 -fsection-anchors on darwin for now.
847 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
848 * rs6000/rs6000.c (optimization_options): Likewise.
849
850 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
851
852 PR target/27421
853 * config/i386/i386.c (classify_argument): Skip fields with invalid
854 types in unions.
855
856 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
857
858 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
859 (cse_insn): Likewise for the stack_pointer_rtx.
860
861 2006-06-08 Roger Sayle <roger@eyesopen.com>
862
863 * tree-ssa-dom.c (record_conditions): Only record "unordered"
864 conditions from floating point comparisons.
865
866 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
867
868 PR middle-end/27733
869 * expmed.c (struct alg_hash_entry): Fix type of field T
870 to match synth_mult argument.
871 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
872
873 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
874
875 PR target/27863
876 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
877 block boundaries.
878
879 2006-06-08 Richard Guenther <rguenther@suse.de>
880
881 PR middle-end/27116
882 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
883 only, if overflow is defined and not trapping.
884 (negate_expr): Likewise.
885
886 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
887
888 PR tree-optimization/27872
889 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
890 flag on the new exit edge of the unrolled loop.
891
892 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
893
894 PR rtl-optimization/26449
895 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
896
897 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
898
899 PR middle-end/27793
900 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
901 referenced_variables with matching DECL_UID's.
902 (find_referenced_vars): Make sure duplicate list is empty to start.
903 (referenced_var_p): Remove.
904 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
905 Check if var is in the list, and add if needed. Update the duplicate
906 list if a different var is in the list with the same DECL_UID.
907 (add_referenced_var): Call routine to check and insert.
908 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
909 * tree-flow.h (referenced_vars_dup_list): External declaration.
910
911 2006-06-07 Fred Fish <fnf@specifix.com>
912
913 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
914 into single entry.
915
916 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
917
918 PR target/27390
919 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
920 the imaginary and real parts of a clobbered register.
921 Emit insn to set the imaginary part.
922
923 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
924
925 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
926 in lieu of unwind-dw2-fde.c.
927
928 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
929
930 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
931
932 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
933
934 PR target/27842
935 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
936 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
937 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
938 V4SImode temporaries and operations instead.
939
940 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
941
942 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
943 dp-bit.c.
944
945 2006-06-06 Mike Stump <mrs@apple.com>
946
947 * Makefile.in: Rename to htmldir to build_htmldir to avoid
948 installing during build.
949
950 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
951
952 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
953 value to 0.
954 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
955 * config/ia64/ia64.c (params.h): New header.
956 (ia64_optimization_options): New function to adjust parameters.
957 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
958 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
959 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
960
961 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
962
963 * stor-layout.c (debug_rli): Fix a typo in a debug message.
964
965 2006-06-05 Steve Ellcey <sje@cup.hp.com>
966
967 PR target/27051
968 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
969
970 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
971 Victor Kaplansky <victork@il.ibm.com>
972
973 PR tree-optimization/26360
974 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
975 stmts.
976
977 2006-06-04 Roger Sayle <roger@eyesopen.com>
978 Andrew Pinski <pinskia@physics.uc.edu>
979
980 PR middle-end/27382
981 * c-common.c (c_common_truthvalue_conversion): Explicitly check
982 for LABEL_DECL before calling DECL_WEAK.
983
984 PR c/27150
985 * c-typeck.c (build_binary_op): Likewise, explicitly check for
986 LABEL_DECL and PARM_DECL.
987
988 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
989
990 PR c/25161
991 PR c/27020
992 * c-decl.c (grokdeclarator): Disallow variably modified types at
993 file scope. Avoid marking shared array type of constant size as
994 VLA.
995
996 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
997
998 PR c++/27601
999 * c-common.c (fold_offsetof_1): Handle static members.
1000
1001 2006-06-04 Eric Christopher <echristo@apple.com>
1002
1003 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1004 (debug_rli): Output value for remaining_in_alignment.
1005 (update_alignment_for_field): Unconditionalize
1006 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1007 extra alignment code.
1008 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1009 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1010 * tree.h (record_layout_info_s): Remove prev_packed.
1011 * doc/extend.texi (ms_struct): Add documentation of format.
1012
1013 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1014
1015 * tree.h: Declare folding_initializer.
1016 * builtins.c (fold_builtin_constant_p): Give definite answer
1017 if folding inside an initializer.
1018 * fold-const.c: Define folding_initializer.
1019 (START_FOLD_INIT): Save and then set folding_initializer.
1020 (END_FOLD_INIT): Restore folding_initializer.
1021
1022 2006-06-04 Richard Guenther <rguenther@suse.de>
1023
1024 PR tree-optimization/27039
1025 * fold-const.c (fold_comparison): Handle pointer comparison
1026 again for all comparison codes. Compare offsets in signed
1027 size type.
1028 (fold_binary): Move code from here.
1029
1030 2006-06-03 Roger Sayle <roger@eyesopen.com>
1031
1032 PR target/26223
1033 * config/i386/i386.c (construct_container): Split static issued_error
1034 flag into issued_sse_arg_error, issued_sse_ret_error and
1035 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1036 requires the use of x87 registers and the user explicitly
1037 specified the -mno-80387 command line option.
1038
1039 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1040
1041 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1042 HAVE_DECL_SIGALTSTACK.
1043 (MC_FLD): New.
1044 (segv_handler): Use MC_FLD.
1045 * configure.ac: Check for a sigaltstack declaration.
1046 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1047 * configure: Regenerate.
1048 * config.in: Regenerate.
1049
1050 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1051
1052 PR other/27850
1053 * Makefile.in (stmp-fixinc): Fix typo.
1054
1055 2006-06-02 Roger Sayle <roger@eyesopen.com>
1056
1057 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1058 are type correct. Clean-up.
1059 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1060 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1061
1062 2006-06-01 DJ Delorie <dj@redhat.com>
1063
1064 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1065 shift, as we've disabled the "switch" insn that needs it.
1066
1067 2006-06-01 Per Bothner <bothner@bothner.com>
1068
1069 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1070 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1071 * c-ppoutput.c (cb_define): Don't increment line 0.
1072
1073 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1074
1075 * doc/invoke.texi: Add cpu_type power6.
1076 * config.gcc: Add cpu_type power6.
1077 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1078 to power5+ with Altivec.
1079 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1080 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1081
1082 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1083
1084 * config/avr/avr.h (SET_ASM_OP): Define.
1085
1086 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1087
1088 * config/bfin/bfin.c: Fix comment typos.
1089
1090 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1091
1092 PR 25453
1093 * doc/install.texi: Document --enable-bootstrap and
1094 --disable-bootstrap.
1095
1096 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1097
1098 * doc/install.texi: Document that InfoZIP can replace jar.
1099
1100 2006-05-31 Roger Sayle <roger@eyesopen.com>
1101
1102 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1103 isn't available, directly generate the simpler x87 patterns without
1104 the (use (const_int 0)).
1105 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1106 implementation isn't available.
1107 (*negdf2_1): Likewise.
1108 (*negxf2_1): XF mode negation is always done using the x87.
1109 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1110
1111 2006-05-31 Roger Sayle <roger@eyesopen.com>
1112
1113 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1114 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1115 cabs(z).
1116 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1117
1118 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1119
1120 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1121 * config/bfin/bfin.c (basic-block.h): Include.
1122 (struct machine_function): New.
1123 (bfin_init_machine_status): New.
1124 (override_options): Initialize init_machine_status.
1125 (bfin_hardware_loop): New.
1126 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1127 (DEF_VEC_P (loop_info)): New.
1128 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1129 (struct loop_info): New.
1130 (loop_info): New typedef.
1131 (struct loop_work): New.
1132 (loop_work): New typedef.
1133 (DEF_VEC_O (loop_work)): New.
1134 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1135 (bfin_dump_loops): New.
1136 (bfin_bb_in_loop): New.
1137 (bfin_scan_loop): New.
1138 (bfin_optimize_loop): New.
1139 (bfin_reorg_loops): New.
1140 (bfin_reorg): Use bfin_reorg_loops.
1141 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1142 loop registers.
1143 (I_REGNO_P): Simplify.
1144 (DP_REGNO_P, DPREG_P): New macros.
1145 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1146 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1147 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1148 Add LT_REGS, LC_REGS, LB_REGS.
1149 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1150 'l' for LB_REGS.
1151 (REGNO_REG_CLASS): Deal with loop registers.
1152 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1153 letters.
1154 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1155 New constants for loop registers.
1156 (UNSPEC_LSETUP_END): New.
1157 (seq_insns): New define_attr. Set it for appropriate insns.
1158 (movsi_insn): Add alternatives for move from/to
1159 loop count registers.
1160 (doloop_end): New define_expand.
1161 (loop_end): New define_insn.
1162 (define_split for bad doloop_end): New.
1163 (lsetup_with_autoinit): New define_insn.
1164 (lsetup_without_autoinit): New define_insn.
1165 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1166 * config/bfin/predicates.md (lc_register_operand): New.
1167 (lt_register_operand): New.
1168 (lb_register_operand): New.
1169 (nondp_register_operand): New.
1170 (nondp_reg_or_memory_operand): New.
1171 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1172
1173 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1174
1175 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1176 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1177
1178 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1179
1180 * Makefile.in (CATALOGS): Add po/ prefix.
1181 * configure: Regenerated.
1182
1183 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1184
1185 PR target/27829
1186 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1187 a shift operand before calling shift_op. Avoid redundant call of
1188 shift_op.
1189
1190 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1191 DJ Delorie <dj@redhat.com>
1192
1193 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1194 we're inserting is a singlt-bit constant.
1195
1196 2006-05-30 Roger Sayle <roger@eyesopen.com>
1197
1198 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1199 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1200
1201 2006-05-30 Roger Sayle <roger@eyesopen.com>
1202
1203 PR tree-optimization/23452
1204 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1205 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1206 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1207 complex values and with -ffast-math for FP complex values.
1208
1209 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1210
1211 * c-common.h: Remove the prototype for yyparse.
1212 * rtl.h: Remove the prototype for init_loop.
1213
1214 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1215
1216 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1217 calling recog.
1218
1219 2006-05-30 Roger Sayle <roger@eyesopen.com>
1220
1221 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1222 and rotate cases.
1223 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1224 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1225
1226 2006-05-30 Dirk Mueller <dmueller@suse.de>
1227
1228 PR c/27273
1229 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1230 for CONSTANT_CLASS_P expresisons.
1231
1232 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1233
1234 PR c/27718
1235 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1236
1237 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1238
1239 PR tree-optimization/27779
1240 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1241 initial_condition instead of CHREC_LEFT.
1242
1243 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1244
1245 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1246 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1247 Make prototypes ISO C90.
1248
1249 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1250 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1251
1252 * see.c (see_analyze_one_def): Correct check.
1253 (see_get_extension_data): Check if extension is parallel.
1254 (see_get_extension_reg): Likewise.
1255
1256 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1257
1258 PR target/27790
1259 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1260 into register for (code == GTU).
1261
1262 2006-05-29 Roger Sayle <roger@eyesopen.com>
1263
1264 PR tree-optimization/24964
1265 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1266 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1267 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1268 abs(x)*abs(x) as x*x for scalar floating point modes.
1269
1270 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1271
1272 PR middle-end/27745
1273 * lambda-code.c (perfect_nestify): Don't copy statements
1274 in the inner loop: move them to the inner loop header.
1275
1276 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1277
1278 PR 26237
1279 * c-tree.texi: Document OpenMP directives and clauses.
1280
1281 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1282
1283 * varasm.c (globalize_decl): Fix indentation.
1284
1285 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1286
1287 PR 26242
1288 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1289 pass_fre, pass_store_ccp, pass_copy_prop,
1290 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1291 pass_return_slot, pass_object_size, pass_lim,
1292 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1293 pass_loop_prefetch and pass_stdarg.
1294
1295 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1296
1297 * config/bfin/bfin.opt (mfdpic): New option.
1298 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1299 (EXTRA_MULTILIB_PARTS): Likewise.
1300 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1301 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1302 multilib.
1303 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1304 (CRT_CALL_STATIC_FUNCTION): New.
1305 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1306 -shared.
1307 (CRT_CALL_STATIC_FUNCTION): New.
1308 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1309 FD-PIC moves.
1310 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1311 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1312 (initialize_trampoline): Changed to handle FD-PIC code generation.
1313 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1314 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1315 (override_options): Disallow -mid-shared-library -mfdpic combination.
1316 Can't do unaligned ops if FD-PIC.
1317 Turn off flag_pic if trying to generate non-id-shared-library
1318 non-fdpic code, since it's not supported.
1319 (bfin_assemble_integer): New function.
1320 (TARGET_ASM_INTEGER): Define.
1321 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1322 __BFIN_FDPIC__.
1323 * config/bfin/crtn.s: Restore them.
1324 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1325 if TARGET_FDPIC.
1326 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1327 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1328 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1329 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1330 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1331 call-used.
1332 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1333 FDPIC_REGS and FDPIC_FPTR_REGS.
1334 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1335 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1336 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1337 (load_funcdescsi): New pattern.
1338 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1339 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1340 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1341
1342 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1343
1344 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1345 loop.c.
1346
1347 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1348
1349 * tree-flow.h: Remove the prototype for add_type_alias.
1350 * tree-ssa-alias.c (add_type_alias): Remove.
1351
1352 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1353
1354 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1355 config/fr30/fr30.md, config/i386/i386-interix.h,
1356 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1357 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1358 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1359 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1360 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1361 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1362 Follow spelling conventions.
1363 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1364 Follow spelling conventions.
1365
1366 2006-05-27 Richard Guenther <rguenther@suse.de>
1367
1368 PR middle-end/27773
1369 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1370 to produce a constant of value 1 of generic type.
1371
1372 2006-05-27 Dirk Mueller <dmueller@suse.de>
1373
1374 * cgraphunit.c (decide_is_function_needed): Fix wrong
1375 PR reference.
1376
1377 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1378
1379 PR rtl-optimization/27661
1380 * reload.c (find_reloads): When reloading a VOIDmode constant
1381 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1382 use Pmode as mode of the reload register.
1383
1384 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1385
1386 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1387 is enabled at -O and above.
1388
1389 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1390
1391 PR target/27571
1392 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1393 table data.
1394
1395 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1396
1397 PR c++/20103
1398 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1399 for anonymous variables explicitly declared by front ends.
1400
1401 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1402
1403 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1404 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1405 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1406 ref-all pointers, run a finalization pass for them.
1407 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1408 (finalize_ref_all_pointers): New function.
1409 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1410 regular pointer type to a ref-all pointer type.
1411 (get_tmt_for): Return the special memory tag for ref-all pointers.
1412
1413 2006-05-25 Richard Guenther <rguenther@suse.de>
1414
1415 PR middle-end/27743
1416 * fold-const.c (fold_binary): Do not look at the stripped
1417 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1418
1419 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1420
1421 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1422 for LT and GT if the computed range is effectively empty.
1423
1424 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1425
1426 PR target/27627
1427 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1428 mips_quad_format formats instead of ieee_single_format,
1429 ieee_double_format and ieee_quad_format formats, respectively.
1430
1431 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1432
1433 PR tree-optimization/27639
1434 PR tree-optimization/26719
1435 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1436 call to scev_probably_wraps_p.
1437 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1438 used_in_pointer_arithmetic_p, convert_step): Removed.
1439 (nowrap_type_p): New function.
1440 (scev_probably_wraps_p): Rewritten.
1441 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1442 chrec_convert if chrec_convert_aggressive might have been used.
1443 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1444 scev_direction): New functions.
1445 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1446 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1447 instead of convert_step.
1448 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1449 (convert_step): Declaration removed.
1450 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1451
1452 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1453
1454 * df-core.c: Added to header comments.
1455 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1456 df_ur_bb_info, df_urec_bb_info): Added comments.
1457 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1458 urec, ri problems): Fixed header comments.
1459 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1460 code from df_rd_transfer_function.
1461
1462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1463
1464 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1465 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1466 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1467
1468 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1469
1470 * expr.c (undefined_operand_subword_p): New.
1471 (emit_move_multi_word): Do not generate move from undefined bits
1472 of a paradoxical subreg.
1473
1474 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1475
1476 PR rtl-optimization/27736
1477 * combine.c (replaced_rhs_value): New variable.
1478 (combine_instructions): Set it.
1479 (distribute_notes): When distributing a note in replaced_rhs_insn,
1480 check whether the value was used in replaced_rhs_value.
1481
1482 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1483
1484 PR c++/26757
1485 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1486 add_referenced_var instead of add_referenced_tmp_var.
1487 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1488 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1489 add_referenced_var.
1490 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1491 tree_optimize_tail_calls_1): Use add_referenced_var.
1492 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1493 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1494 Use add_referenced_var.
1495 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1496 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1497 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1498 Use add_referenced_var.
1499 * tree-dfa.c (struct walk_state): Remove.
1500 (find_referenced_vars): Remove walk state and vars_found hash table.
1501 (make_rename_temp): Use add_referenced_var.
1502 (find_vars_r): Pass less parameters to add_referenced_var.
1503 (referenced_var_p): New. Is var in referenced_var hash table.
1504 (referenced_var_insert): Assert var isn't already in hash table.
1505 (add_referenced_var): Don't need walk_state parameter. Add var if it
1506 isn't already in the hash table.
1507 (add_referenced_tmp_var): Remove.
1508 (find_new_referenced_vars_1): Use add_referenced_var.
1509 * tree-ssa-pre.c (create_expression_by_pieces,
1510 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1511 Use add_referenced_var.
1512 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1513 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1514 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1515 add_referenced_var.
1516 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1517 vect_create_data_ref_ptr, vect_create_destination_var,
1518 vect_init_vector, vect_build_loop_niters,
1519 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1520 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1521 Use add_referenced_var.
1522 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1523 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1524 (add_referenced_var): Add prototype.
1525 * tree-ssa-structalias.c (get_constraint_for,
1526 intra_create_variable_infos): Use add_referenced_var.
1527
1528 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1529
1530 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1531 big-endian paradoxical subregs.
1532 * var-tracking.c (struct micro_operation_def): Document that,
1533 for modify micro operations, insn is the subsequent instruction.
1534 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1535 (var_reg_set, var_mem_set): ... new functions.
1536 (add_stores): Record subsequent insn.
1537 (compute_bb_dataflow): Use new functions for MO_USE.
1538 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1539 notes after the insn, and modify notes before the insn known
1540 to be the subsequent one.
1541 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1542
1543 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1544
1545 PR target/27696
1546 * config/i386/i386.c (ix86_expand_builtin): Use
1547 gen_sse3_monitor64 for TARGET_64BIT.
1548
1549 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1550
1551 PR rtl-optimization/26375
1552 PR rtl-optimization/26855
1553 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1554 to gen set.
1555 (df_ru_bb_local_compute): Reversed statements and removed bogus
1556 comment explaining why they should be in wrong order.
1557 (df_ru_dump, df_rd_dump): Enhanced debug info.
1558 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1559 debug info.
1560 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1561 reaching uses and fixed space problem.
1562
1563 2006-05-23 Jan Hubicka <jh@suse.cz>
1564
1565 * cgraphunit.c (decide_is_function_needed): Also nested functions
1566 and functions declared inline can be optimized out at -O0.
1567
1568 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1569
1570 * doc/install.texi (Configuration): Remove reference to CrossGCC
1571 FAQ which was gone.
1572 (Building): Ditto.
1573
1574 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1575
1576 PR target/27266
1577 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1578 ix86_compare_emitted is non-NULL.
1579
1580 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1581
1582 PR c++/27451
1583 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1584 clobbers.
1585
1586 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1587
1588 PR rtl-optimization/25514
1589 * combine.c (replaced_rhs_insn): New variable.
1590 (combine_instructions): Set replaced_rhs_insn when trying to replace
1591 a SET_SRC with a REG_EQUAL note.
1592 (distribute_notes): Use replaced_rhs_insn when determining the live
1593 range of a REG_DEAD register.
1594
1595 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1596 Anatoly Sokolov <aesok@post.ru>
1597
1598 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1599 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1600 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1601 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1602 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1603 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1604 at90usb647, at90usb1286 and at90usb1287 devices.
1605 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1606 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1607
1608 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1609
1610 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1611
1612 2006-05-22 Richard Guenther <rguenther@suse.de>
1613
1614 Revert
1615 2006-01-31 Richard Guenther <rguenther@suse.de>
1616 Paolo Bonzini <bonzini@gnu.org>
1617
1618 * doc/install.texi (--disable-libgcc-math): Document.
1619
1620 2006-05-22 Richard Guenther <rguenther@suse.de>
1621
1622 Revert
1623 2006-01-31 Richard Guenther <rguenther@suse.de>
1624
1625 * doc/invoke.texi (-msselibm): Document.
1626 * target.h (expand_library_builtin): New target hook.
1627 * builtins.c (expand_builtin): Use expand_library_builtin.
1628 (default_expand_library_builtin): New function.
1629 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1630 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1631 (link_gcc_math_spec): Declare.
1632 (static_specs): Add link_gcc_math_spec.
1633 * expr.h (default_expand_library_builtin): Declare.
1634 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1635 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1636 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1637 * config/i386/i386.opt (msselibm): New target option.
1638 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1639 (ix86_init_sse_abi_builtins): New function.
1640 (ix86_expand_library_builtin): Likewise.
1641 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1642 (override_options): Handle error conditions wrt -msselibm.
1643 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1644 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1645 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1646 builtins.
1647
1648 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1649
1650 PR c/27420
1651 * c-common.c (self_promoting_args_p): Skip erroneous args.
1652
1653 PR c/26818
1654 * c-decl.c (finish_struct): Skip erroneous fields.
1655
1656 2006-05-22 Nick Clifton <nickc@redhat.com>
1657
1658 * config/cris/cris.opt (march): Remove VarExists attribute.
1659 (max-stackframe=): Likewise.
1660
1661 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1662
1663 * doc/rtl.texi: Fix a typo.
1664 * see.c: Fix comment typos.
1665
1666 * tree-ssa-structalias.h (alias_info): Remove num_references.
1667
1668 2006-05-21 Mike Stump <mrs@apple.com>
1669
1670 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1671 (BAD2): Add.
1672 (darwin_pragma_options): Use BAD instead.
1673 (darwin_pragma_unused): Likewise.
1674 (darwin_pragma_ms_struct): Likewise.
1675
1676 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1677
1678 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1679
1680 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1681
1682 PR rtl-optimization/27671
1683 * simplify-rtx.c (simplify_relational_operation_1): Fix
1684 simplifications of (eq/ne (xor x y) y) and
1685 (eq/ne (xor x y) x).
1686
1687 PR tree-optimization/26622.
1688 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1689 on arg1.
1690
1691 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1692
1693 * tree-cfg.c: Prune whitespace.
1694 (debug_tree_cfg): Point to correct header containing the
1695 TDF_* defines.
1696
1697 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1698
1699 PR middle-end/25776
1700 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1701
1702 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1703
1704 PR middle-end/25776
1705 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1706 or sorry count is non zero.
1707
1708 2006-05-20 Andreas Schwab <schwab@suse.de>
1709
1710 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1711
1712 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1713 Kenneth Zadeck <zadeck@naturalbridge.com>
1714
1715 PR rtl-optimization/26855
1716
1717 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1718 multiword refs.
1719 (df_scan_alloc): Added code to properly handle multiword hard
1720 registers and add all_blocks parameter.
1721 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1722 code to properly handle multiword hard registers.
1723 (df_rescan_blocks): Added code to remove deleted blocks from
1724 bitmap.
1725 (df_ref_create_structure, df_ref_record): Added code to properly
1726 handle subregs.
1727 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1728 and set DF_REF_PARTIAL.
1729 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1730 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1731 (df_scan_add_problem): Added flags parameter.
1732 (df_ref_create_structure): Changed switching structure.
1733 (df_bb_refs_record): Fixed case where duplicate artificial refs
1734 were created. Changed location of flags.
1735 (df_record_entry_block_defs): Added code to make stack pointer
1736 live in entry block. Refined cases where frame pointer is needed.
1737 Changed location of flags.
1738 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1739 (df_set_state): Removed function.
1740 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1741 df_insn_create_insn_record, df_insn_refs_delete,
1742 df_ref_create_structure): Formatting changes.
1743 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1744 df_delete_basic_block): New function.
1745 (df_init): Changed location of flags.
1746 (df_add_problem): Added flags parameter and the way flags are
1747 processed.
1748 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1749 debug_df_chain): Improved debugging output.
1750 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1751 (df_refs_chain_dump): Removed df parameter.
1752 (df_iterative_dataflow): Added consistency check.
1753 (df_prune_to_subcfg): Made public.
1754 (df_analyze_problem): Added blocks_to_init parameter and made
1755 public.
1756 (df_ref_record, df_bb_refs_record, df_mark_reg,
1757 df_record_exit_block_uses): Whitespace changes.
1758 (df_dump): Whitespace changes.
1759 * df.h: Some reordering to remove forward references.
1760 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1761 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1762 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1763 (dataflow.flags): New field.
1764 (df.flag): Deleted field.
1765 (df_alloc_function): Added additional bitmap parameter.
1766 (df_dependent_problem_function): New type.
1767 (df_problem.changeable_flags): New field.
1768 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1769 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1770 (df_mw_hardreg): New struct.
1771 (DF_INSN_UID_MWS): New macro.
1772 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1773 parameter.
1774 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1775 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1776 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1777 (df_set_state): Removed function.
1778 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1779 * df-problems.c (df_chain_dump): Removed df parameter.
1780 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1781 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1782 parameter.
1783 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1784 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1785 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1786 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1787 DF_REF_MUST_CLOBBER cases.
1788 (df_ru_bb_local_compute_process_def,
1789 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1790 df_lr_bb_local_compute, df_ur_bb_local_compute,
1791 df_chain_create_bb): Made subreg aware.
1792 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1793 df_lr_bb_local_compute, df_lr_bb_local_compute,
1794 df_chain_create_bb): Cleanup to use proper macros.
1795 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1796 code to fixup bitvectors.
1797 (df_ri_alloc): Cleared lifetime.
1798 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1799 df_create_unused_note): New function.
1800 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1801 REG_DEAD and REG_UNUSED notes as well as register information.
1802 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1803 df_chains_dump): Fixed crash if problem was never run.
1804 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1805 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1806 df_ri_add_problem): Processes flags in uniform manner.
1807 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1808 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1809 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1810 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1811 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1812 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1813 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1814 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1815 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1816 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1817 * see.c (see_initialize_data): Ditto.
1818 * final.c (rest_of_clean_state) Added regstack_completed.
1819 * rtl.h (regstack_completed): Ditto.
1820 * reg-stack.c (regstack_completed): Ditto.
1821
1822 2006-05-19 Mike Stump <mrs@apple.com>
1823
1824 * c-tree.h (default_conversion): Remove.
1825 * c-common.h (default_conversion): Add.
1826
1827 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1828
1829 * tree-vrp.c (valid_value_p): New function.
1830 (adjust_range_with_scev): Fail if the value of bound is not
1831 simple.
1832
1833 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1834
1835 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1836 (mips_fallback_frame_state): Use syscall numbers to determine
1837 the appropriate li instruction for the current ABI. Only use
1838 __NR_sigreturn for o32.
1839
1840 2006-05-19 Nicolas Setton <setton@adacore.com>
1841
1842 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1843 * langhooks.c (lhd_dwarf_name): New function.
1844 * langhooks-def.h (lhd_dwarf_name): Declare.
1845 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1846 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1847 * ada/misc.c (gnat_dwarf_name): New function.
1848 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1849
1850 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1851
1852 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1853 libgcc2.h.
1854 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1855 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1856 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1857 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1858 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1859 determine the size of Wtype, etc.
1860 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1861 (swfloatfuncs): New variable.
1862 (dwfloatfuncs): Likewise.
1863 (lib2funcs): Remove floating-point conversion functions from
1864 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1865 the set of conversion routines needed. Allow entries to specify
1866 an object name, filename and word size. Update users accordingly.
1867 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1868 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1869
1870 Revert:
1871
1872 2006-02-08 Roger Sayle <roger@eyesopen.com>
1873
1874 PR target/22209
1875 * config/fixtfdi.c: New libgcc source file.
1876 * config/fixunstfdi.c: New source file.
1877 * config/floatditf.c: New source file.
1878 * config/floatunditf.c: New souce file.
1879 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1880 files above instead of config/mips/_tilib.c.
1881 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1882
1883 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1884
1885 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1886 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1887
1888 2006-05-18 Mike Stump <mrs@apple.com>
1889
1890 Fix up vla, vm and [*] sematics.
1891
1892 PR c/18740
1893 PR c/7948
1894 PR c/25802
1895 PR c/27673
1896 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1897 (c_vla_unspec_p): Add.
1898 (c_vla_type_p): Add.
1899 * c-decl.c (struct c_scope): Add had_vla_unspec.
1900 (build_array_declarator): Add support for [*].
1901 (grokdeclarator): Likewise.
1902 (grokparms): Likewise.
1903 (get_parm_info): Likewise.
1904 * c-objc-common.c (c_vla_unspec_p): Likewise.
1905 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1906 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1907 typeof when argument is a variably modified type not inside sizeof or alignof.
1908 (c_parser_direct_declarator_inner): Propagate errors.
1909 (c_parser_sizeof_expression): Add support for [*].
1910 (c_parser_parms_declarator): Initialize had_vla_unspec.
1911 (c_parser_parms_list_declarator): Likewise.
1912 * c-typeck.c (c_vla_type_p): Add.
1913 (composite_type): Add support for vla compositing.
1914 (comptypes_internal): Add support for vla compatibility.
1915 (c_expr_sizeof_expr): Evaluate vla arguments.
1916 * tree.c (variably_modified_type_p): Update comment for [*].
1917
1918 2006-05-18 Michael Matz <matz@suse.de>
1919
1920 PR target/27599
1921 * config.host: Make assignments to host_xmake_file cumulative.
1922 * config.host (*-darwin*): Test $host, not $target.
1923
1924 2006-05-12 Stuart Hastings <stuart@apple.com>
1925
1926 * config/i386/i386.opt (-mstackrealign): New flag.
1927 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1928 (ix86_handle_cconv_attribute): Emit error when
1929 force_align_arg_pointer attribute collides with too many regparms.
1930 (ix86_function_regparm): Limit regparms when used with
1931 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1932 Support stack-realigning prologue in non-main functions. Emit
1933 warning for nested functions under -mstackrealign, emit error for
1934 nested functions with force_align_arg_pointer attribute.
1935 * doc/extend.texi (force_align_arg_pointer): Document it.
1936 * doc/invoke.texi (-mstackrealign): Document it.
1937
1938 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1939
1940 PR rtl-optimization/27477
1941 * combine.c (try_combine): Don't split a parallel consisting
1942 of two sets into two individual sets if both sets reference
1943 cc0.
1944
1945 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1946
1947 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1948 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1949
1950 * doc/options.texi (VarExists): Updated.
1951
1952 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1953
1954 * unwind-dw2.c: Add declarations for uw_update_context and
1955 uw_frame_state_for.
1956 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1957 detected, advance frame state and context once to skip over stub.
1958
1959 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1960
1961 PR middle-end/20256
1962 PR middle-end/26435
1963 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1964 Call rewrite_into_loop_closed_ssa only when something changed.
1965 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1966 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1967 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1968 Test for perfect_nest_p here. Fix formating.
1969 (replace_uses_equiv_to_x_with_y): Fix formating.
1970 (stmt_uses_op): Removed.
1971 (can_convert_to_perfect_nest): Removed loopivs parameter.
1972 Complete the test by checking the scalar dependences.
1973 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1974 Fix formating.
1975
1976 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1977
1978 PR bootstrap/22541
1979 From Dan Kegel <dank@kegel.com>:
1980 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1981
1982 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1983
1984 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1985 if the element type is variably modified without recursing.
1986
1987 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1988
1989 PR middle-end/27332
1990 * tree-loop-linear.c (try_interchange_loops): Test for
1991 no data dependences.
1992
1993 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1994
1995 PR tree-optimization/27548
1996 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1997 range of ssa names that appear on abnormal edges.
1998 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1999 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2000
2001 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2002
2003 PR middle-end/27620
2004 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2005
2006 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2007
2008 PR middle-end/27415
2009 * tree.h (OMP_PARALLEL_COMBINED): Define.
2010 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2011 (new_omp_context): Add is_combined_parallel argument.
2012 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2013 new_omp_context caller.
2014 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2015 Adjust gimplify_scan_omp_clauses callers.
2016 (omp_is_private): Issue errors if iteration variable is firstprivate
2017 or reduction in the current context.
2018 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2019 on combined parallel workshare constructs.
2020
2021 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2022
2023 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2024 (gcc-options.o): New rule.
2025
2026 * optc-gen.awk: Protect variables for gcc-options.o with
2027 #ifdef GCC_DRIVER/#endif.
2028
2029 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2030
2031 Fix PR tree-optimization/27373
2032 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2033 (forward_propagate_addr_expr): Update call.
2034
2035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2036
2037 * doc/options.texi: Move the Negative option.
2038
2039 2006-05-16 Richard Guenther <rguenther@suse.de>
2040
2041 PR tree-optimization/22303
2042 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2043 from STRING_CSTs.
2044 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2045 ccp_fold did not simplify the statement.
2046
2047 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2048
2049 PR driver/26885
2050 * Makefile.in (GCC_OBJS): New.
2051 (OBJS-common): Add opts-common.o.
2052 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2053 (cpp$(exeext)): Likewise.
2054 (gcc.o): Also depend on opts.h.
2055 (opts-common.o): New.
2056
2057 * common.opt (gcoff): Add Negative(gdwarf-2).
2058 (gdwarf-2): Add Negative(gstabs).
2059 (gstabs): Add Negative(gstabs+).
2060 (gstabs+): Add Negative(gvms).
2061 (gvms): Add Negative(gxcoff).
2062 (gxcoff): Add Negative(gxcoff+).
2063 (gxcoff+): Add Negative(gcoff).
2064 * config/i386/i386.opt (m32): Add Negative(m64).
2065 (m64): Add Negative(m32).
2066
2067 * doc/options.texi: Document the Negative option.
2068
2069 * gcc.c: Include "opts.h".
2070 (main): Call prune_options after expandargv.
2071
2072 * optc-gen.awk: Generate common declarations for all flag
2073 variables in options.c. Output the neg_index field.
2074
2075 * opts.c (find_opt): Moved to ...
2076 * opts-common.c: Here. New file.
2077
2078 * opts.h (cl_option): Add a neg_index field.
2079 (find_opt): New.
2080 (prune_options): Likewise.
2081
2082 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2083
2084 PR middle-end/27573
2085 * omp-low.c (expand_omp_parallel): Don't assert
2086 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2087 instead search for it.
2088
2089 PR c/27499
2090 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2091 is signed.
2092
2093 2006-05-16 Andreas Schwab <schwab@suse.de>
2094
2095 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2096 defmac.
2097
2098 2006-05-15 Roger Sayle <roger@eyesopen.com>
2099
2100 PR target/26600
2101 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2102 integer constants other than zero are only legitimate on TARGET_64BIT.
2103 <CONST_VECTOR> Only zero vectors are legitimate.
2104 (ix86_cannot_force_const_mem): Integral and vector constants can
2105 always be put in the constant pool.
2106
2107 2006-05-16 DJ Delorie <dj@redhat.com>
2108
2109 * crtstuff.c (__dso_handle): Set section from
2110 TARGET_LBIGCC_SDATA_SECTION if defined.
2111 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2112 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2113
2114 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2115
2116 PR target/27599
2117 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2118 host_xmake_file.
2119
2120 2006-05-16 Ben Elliston <bje@au.ibm.com>
2121
2122 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2123
2124 2006-05-15 Per Bothner <per@bothner.com>
2125
2126 * tree.c: (last_annotated_node): Use source_locus typedef.
2127 This permits bootstrapping with --enable-mapped-location.
2128
2129 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2130
2131 PR tree-optimization/26830
2132 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2133 (info_for_ssa_name, current_info_for_ssa_name_age,
2134 blocks_to_update): New variables.
2135 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2136 (clear_ssa_name_info, initialize_flags_in_bb,
2137 mark_block_for_update): New functions.
2138 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2139 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2140 prepare_def_site_for): Use mark_block_for_update.
2141 (mark_def_interesting): Assert that the processed block is marked in
2142 blocks_to_update. Do not take blocks argument.
2143 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2144 argument.
2145 (rewrite_update_init_block, rewrite_update_stmt): Only process
2146 blocks with statements to rewrite.
2147 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2148 (update_ssa): Initialize and free blocks_to_update. Do not
2149 clear flags on statements. Do not use blocks bitmap.
2150 * tree.h (SSA_NAME_AUX): Removed.
2151 (struct tree_ssa_name): Removed aux field.
2152 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2153
2154 2006-05-15 Richard Guenther <rguenther@suse.de>
2155
2156 PR tree-optimization/27603
2157 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2158 Do computations in original type.
2159
2160 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2161
2162 * see.c: Code style changes such as redundant paranthesis,
2163 redundant intialization of local variables etc.
2164 (see_main): Declared now as static.
2165 * doc/invoke.texi: Update that -fsee is not enabled by
2166 default at -O3.
2167
2168 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2169
2170 * omp-low.c (check_omp_nesting_restrictions): New function.
2171 (scan_omp_1): Call it.
2172
2173 PR middle-end/27416
2174 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2175 construct, return *VAR.
2176
2177 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2178
2179 PR rtl-optimization/27406
2180 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2181 edges.
2182
2183 2006-05-14 Roger Sayle <roger@eyesopen.com>
2184
2185 PR rtl-optimization/27538
2186 * combine.c (expand_compound_operation): Call gen_lowpart
2187 before calling simplify_shift_const.
2188
2189 2006-05-14 Roger Sayle <roger@eyesopen.com>
2190
2191 PR rtl-optimization/22563
2192 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2193 a fixed width bitfield, always force the intermediates into psuedos.
2194
2195 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2196
2197 PR 27501
2198 * mkconfig.sh: Use operator = instead of == for test.
2199
2200 2006-05-13 Nick Clifton <nickc@redhat.com>
2201
2202 * dwarf2out.c (dbx_reg_number): Check return value from
2203 LEAF_REG_REMAP and only use it if it is valid.
2204 (multiple_reg_loc_descriptor): Likewise.
2205
2206 2006-05-13 Richard Guenther <rguenther@suse.de>
2207
2208 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2209 host_xmake_file.
2210
2211 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2212
2213 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2214 information attached to non-INSNs such as NOTEs.
2215 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2216
2217 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2218
2219 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2220 On contraint.
2221 * config/s390/s390.md: Adjust comment describing On constraint.
2222
2223 2006-05-11 Jan Hubicka <jh@suse.cz>
2224
2225 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2226 to be output at -O0.
2227
2228 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2229
2230 PR middle-end/27384
2231 * fold-const.c (size_binop): Move sanity check for arguments to
2232 the beginning of the function.
2233
2234 PR middle-end/27488
2235 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2236 expression.
2237
2238 2006-05-11 Richard Guenther <rguenther@suse.de>
2239
2240 PR middle-end/27529
2241 * fold-const.c (fold_unary): Handle intermediate conversion
2242 to a pointer type like intermediate conversion to an integer
2243 type in folding of (T1)(T2)var to var.
2244 Match the code to the comment in the final conversion for
2245 (T1)(T2)var to (T1)var regarding to type precision. Rather
2246 than disallow T1 being of pointer type, assert that both T1
2247 and var are of pointer type or not. Make sure not to fall
2248 over the frontends lazyness wrt array to pointer decay though.
2249
2250 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2251
2252 * arm.c (arm_struct_value_rtx): Delete.
2253 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2254 (arm_init_cumulative_args): Always initialize nregs to zero.
2255
2256 2006-05-10 Richard Guenther <rguenther@suse.de>
2257
2258 PR tree-optimization/27532
2259 * tree-object-size.c (plus_expr_object_size): Fix typo.
2260
2261 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2262
2263 PR target/24949
2264 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2265 ashrdi_const, ashrdi3): Use a scratch register.
2266
2267 2006-05-10 Richard Guenther <rguenther@suse.de>
2268
2269 PR tree-optimization/27302
2270 * fold-const.c (operand_equal_p): For two comparisons,
2271 try comparison of one comparison code swapped if that yields
2272 the same code.
2273
2274 2006-05-10 Ben Elliston <bje@au.ibm.com>
2275
2276 * tree-pretty-print.c (pretty_print_string): No need to handle
2277 '\0' as a special character.
2278
2279 * tree.h: Include "hashtab.h".
2280 (iterative_hash_expr): Use hashval_t in its prototype.
2281 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2282
2283 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2284
2285 PR bootstrap/26872
2286 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2287 (hppa*64*-*-hpux11*): Ditto.
2288 (hppa[12]*-*-hpux11*): Ditto.
2289
2290 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2291
2292 PR target/26545
2293 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2294
2295 2006-05-09 Michael Matz <matz@suse.de>
2296
2297 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2298 host_extra_gcc_objs and host_xmake_file.
2299 (<*-*-linux*>): Don't overwrite host_xmake_file.
2300 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2301 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2302 (host_detect_local_cpu): Declare.
2303 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2304 * config/i386/i386.c (override_options): Handle -mtune=native
2305 as -mtune=generic.
2306 * config/i386/x-i386: New file.
2307 * config/i386/driver-i386.c: New file.
2308 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2309 cpu-type "native".
2310
2311 2006-05-09 Dirk Mueller <dmueller@suse.de>
2312 Richard Guenther <rguenther@suse.de>
2313
2314 PR middle-end/27498
2315 * fold-const.c (fold_read_from_constant_string): Relax check
2316 for matching types to matching modes.
2317
2318 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2319
2320 PR rtl-optimization/27335
2321 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2322 loops.
2323
2324 2006-05-08 Chao-ying Fu <fu@mips.com>
2325 Richard Sandiford <richard@codesourcery.com>
2326
2327 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2328 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2329 * config/mips/mips.md (UNSPEC_SCC): New constant.
2330 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2331 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2332 (mips_emit_compare): Use it.
2333 (mips_expand_vcondv2sf): New function.
2334
2335 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2336
2337 Fix PR tree-optimization/27093
2338 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2339 renaming when they become not-used_alone.
2340
2341 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2342
2343 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2344 relocation and relocation stubs.
2345
2346 2006-05-08 Eric Christopher <echristo@apple.com>
2347
2348 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2349 section for ppc.
2350
2351 2006-05-08 Jan Hubicka <jh@suse.cz>
2352
2353 PR middle-end/24561
2354 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2355 unused static functions are needed.
2356
2357 2006-05-08 Roger Sayle <roger@eyesopen.com>
2358
2359 PR target/27158
2360 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2361 of a reg_equiv_constant if the result is a legitimate constant.
2362
2363 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2364
2365 PR target/27277
2366 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2367 standard 80387 constants, raise the cost to prevent
2368 compress_float_constant() to generate load from memory.
2369
2370 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2371
2372 * config/arm/constraints.md (c): Fix a typo.
2373
2374 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2375 typos.
2376
2377 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2378
2379 PR target/24879
2380 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2381 inline function.
2382 (_mm_mwait): Likewise.
2383
2384 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2385 "mwait".
2386 (sse3_monitor): Make it 32bit only.
2387 (sse3_monitor64): New. 64bit monitor.
2388
2389 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2390
2391 PR target/27421
2392 * config/i386/i386.c (classify_argument): Skip fields with invalid
2393 types.
2394
2395 2006-05-07 Richard Guenther <rguenther@suse.de>
2396
2397 PR tree-optimization/27409
2398 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2399 Do not try to find zero-sized subvars.
2400
2401 2006-05-07 Richard Guenther <rguenther@suse.de>
2402
2403 PR tree-optimization/27136
2404 * tree-ssa-loop-niter.c (get_val_for): Correct function
2405 comment, assert requirements.
2406 (loop_niter_by_eval): Stop processing if the iterated
2407 value did not simplify.
2408
2409 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2410
2411 * opts.c (flag_see): remove its setting at -O3.
2412
2413 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2414
2415 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2416 * arm/constraints.md: New file.
2417 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2418 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2419 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2420 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2421 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2422 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2423 * arm.md: Include constraints.md.
2424 (thumb_movsi_insn): Use satisfies_constraint_J.
2425 (movhi, movqi): Use satisfies_constraint_I.
2426
2427 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2428
2429 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2430 for atmeg a645 device.
2431
2432 2006-05-06 Richard Guenther <rguenther@suse.de>
2433
2434 PR tree-optimization/27151
2435 * tree-vect-transform.c (vectorizable_condition): Punt on
2436 values that have a different type than the condition.
2437
2438 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2439
2440 PR/21391
2441 * c-parser.c (c_parser_cast_expression): Only insert casts into
2442 hash table if pointer.
2443 * function.c (used_types_insert_helper): Rename from
2444 used_types_insert.
2445 (used_types_insert): Call used_types_insert_helper.
2446 * function.h (used_types_insert): Accept only one argument.
2447
2448 2006-05-05 David Edelsohn <edesohn@gnu.org>
2449
2450 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2451 scratch with output modifier.
2452
2453 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2454
2455 PR target/26481
2456 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2457 with output modifier.
2458
2459 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2460
2461 PR target/26765
2462 * config/mips/mips.c (mips_symbolic_address_p): Return true
2463 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2464 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2465
2466 2006-05-04 Richard Guenther <rguenther@suse.de>
2467
2468 PR tree-optimization/14287
2469 PR tree-optimization/14844
2470 PR tree-optimization/19792
2471 PR tree-optimization/21608
2472 PR tree-optimization/27090
2473 * tree-ssa-pre.c (try_combine_conversion): New function.
2474 (compute_avail): After constructing the value-handle
2475 expression, use try_combine_conversion to combine NOP_EXPRs
2476 with previous value-handle expressions and use the result if it
2477 is available.
2478
2479 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2480
2481 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2482
2483 2006-05-04 Jan Hubicka <jh@suse.cz>
2484
2485 PR middle-end/25962
2486 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2487
2488 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2489
2490 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2491 that this only matches CONST_INTs. All users changed to VOIDmode
2492 operands.
2493
2494 * config/bfin/bfin.c: Include "optabs.h".
2495 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2496 to do more work.
2497 (enum bfin_builtins): Add a number of fractional and vector builtins.
2498 (bfin_init_builtins): Likewise.
2499 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2500 (safe_vector_operand, bfin_expand_binop_builtin,
2501 bfin_expand_unop_builtin): New functions.
2502 (bfin_expand_builtin): Handle the new builtins.
2503 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2504 __ADSPBLACKFIN__.
2505
2506 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2507
2508 * see.c: New file.
2509 * Makefile.in (OBJS-common): Add see.o.
2510 (see.o): Add dependencies.
2511 * common.opt (fsee): New flag for the see optimization was added.
2512 * opts.c (flag_see): Initialized.
2513 * passes.c (init_optimization_passes, pass_see): New pass.
2514 * rtl.h (see_main): Declaration as extern.
2515 * timevar.def (TV_SEE): New.
2516 * tree-pass.h (pass_see): Declaration as extern.
2517 * invoke.texi (-fsee): Document.
2518 * recog.c (validate_simplify_insn): New function.
2519 * recog.h (validate_simplify_insn): Declaration as extern.
2520 * df-problems.c (df_chain_dump): Check for NULL.
2521
2522 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2523 Daniel Berlin <dberlin@dberlin.org>
2524
2525 * cfgrtl.c (insert_insn_bb_end_new): New function.
2526 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2527
2528 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2529
2530 * df.h (struct web_entry): Moved from web.c.
2531 (union_defs): Declaration as extern.
2532 (unionfind_root): Likewise.
2533 (unionfind_union): Likewise.
2534 * web.c (struct web_entry): Moved to df.h.
2535 (unionfind_root): Remove static declaration.
2536 (unionfind_union): Likewise.
2537 (union_defs): Likewise and generalize to use callback function.
2538 (web_main): Update arguments for union_defs function call.
2539
2540 2006-05-04 Richard Guenther <rguenther@suse.de>
2541
2542 PR tree-optimization/26447
2543 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2544 produce SSA_NAME copies before the store stmt to avoid
2545 breaking exception handling.
2546
2547 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2548
2549 PR middle-end/27388
2550 * gimplify.c (omp_is_private): If var is shared in some outer context,
2551 return false instead of true. Stop searching on parallel context
2552 boundary.
2553
2554 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2555
2556 PR java/8260
2557 * coverage.c: Use get_gcov_unsigned_t() instead of
2558 unsigned_type_node all over.
2559
2560 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2561
2562 PR tree-optimization/27381
2563 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2564 maintain the same immediate_use links.
2565 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2566 node rather than segfaulting.
2567
2568 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2569
2570 PR fortran/27395
2571 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2572 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2573 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2574
2575 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2576
2577 Fix PR tree-optimization/26626
2578 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2579 always.
2580 * tree-ssa-operands.c (access_can_touch_variable): Allow
2581 typecasting through union pointers.
2582
2583 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2584
2585 PR c++/26943
2586 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2587 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2588 to find if var will be a global variable even in the nested context.
2589 (omp_copy_decl): Only check for global variable at the end, it might
2590 be overridden in outer contexts.
2591 (scan_sharing_clauses): For global variables don't create a field.
2592 (lower_rec_input_clauses): Do nothing for global shared variables.
2593 Emit a barrier at the end of ILIST if there were any decls in both
2594 firstprivate and lastprivate clauses.
2595 (lower_send_clauses): Do nothing for global variables except for
2596 COPYIN.
2597
2598 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2599
2600 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2601 of the correct signedness is returned.
2602
2603 2006-05-02 Jeff Law <law@redhat.com>
2604
2605 PR tree-optimization/27364
2606 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2607 multiply expressions.
2608
2609 2006-05-02 Tom Tromey <tromey@redhat.com>
2610
2611 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2612
2613 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2614
2615 PR target/27387
2616 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2617 -mthumb -fPIC are used.
2618
2619 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2620 Joshua Kinard <kumba@gentoo.org>
2621
2622 PR target/25871
2623 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2624 with 64-bit pointers.
2625
2626 2006-05-02 Paul Brook <paul@codesourcery.com>
2627
2628 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2629 and pool overlap.
2630 (create_fix_barrier): Check that a suitable barrier location is
2631 found.
2632 (arm_reorg): Include ftmp->address in allowable range of addresses.
2633
2634 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2635
2636 PR ada/27366
2637 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2638 on Cygwin.
2639
2640 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2641
2642 PR middle-end/27337
2643 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2644 around RESULT_DECL for result passed by reference.
2645 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2646 * omp-low.c (use_pointer_for_field): Don't look at
2647 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2648 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2649 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2650 time or var for passing by reference for
2651 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2652 TREE_ADDRESSABLE variables when passing by reference.
2653
2654 * omp-low.c (dump_omp_region): Fix output formatting.
2655
2656 PR middle-end/27328
2657 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2658 (expand_omp_parallel): Likewise.
2659 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2660
2661 PR middle-end/27325
2662 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2663 on statement list containing also constructors and destructors.
2664 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2665
2666 PR middle-end/27310
2667 * except.c (duplicate_eh_regions): Fix clearing of
2668 cfun->eh->region_array entries.
2669
2670 2006-05-01 DJ Delorie <dj@redhat.com>
2671
2672 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2673 build!=host.
2674 (gcc_cv_objdump): Likewise.
2675 * configure: Regenerated.
2676
2677 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2678
2679 PR target/27374
2680 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2681 templates for case 3 and 4.
2682
2683 2006-05-01 DJ Delorie <dj@redhat.com>
2684
2685 * vec.c: Include bconfig.h when appropriate.
2686 * Makefile.in (build/vec.o): Adjust dependencies.
2687 * mkconfig.sh: Make sure config.h isn't used for build machine
2688 compiles.
2689
2690 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2691
2692 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2693 variables.
2694 (mark_phi_for_rewrite): New function.
2695 (insert_phi_nodes_for, mark_use_interesting): Call
2696 mark_phi_for_rewrite.
2697 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2698 (update_ssa): Initialize and free phis_to_rewrite.
2699
2700 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2701
2702 PR rtl-optimization/27291
2703 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2704 folded to a constant.
2705
2706 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2707
2708 PR tree-optimization/27283
2709 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2710 not whole # of iteration descriptions.
2711 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2712 uses abnormal ssa name.
2713 (niter_for_single_dom_exit): Ditto.
2714 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2715 return just the number of iterations.
2716
2717 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2718
2719 PR tree-optimization/27144
2720 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2721 (record_estimate): Only record constant upper bound.
2722 (infer_loop_bounds_from_undefined): Call
2723 compute_estimated_nb_iterations just once.
2724 (proved_non_wrapping_p): Renamed to ...
2725 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2726 (convert_step_widening, scev_probably_wraps_p): Call
2727 n_of_executions_at_most instead of proved_non_wrapping_p.
2728 (substitute_in_loop_info): Do not replace values in bounds.
2729 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2730 comments.
2731
2732 2006-05-01 Richard Henderson <rth@redhat.com>
2733
2734 PR c/27358
2735 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2736 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2737 CPP_PRAGMA.
2738
2739 2006-05-01 Roger Sayle <roger@eyesopen.com>
2740
2741 * c-typeck.c (parser_build_binary_op): Don't call the function
2742 unsigned_conversion_warning to spot operand/result type overflow.
2743 (build_binary_op): Instead, call convert_and_check instead of
2744 convert to report the problem when the operands are promoted.
2745 * c-common.c (unsigned_conversion_warning): Make static.
2746 * c-common.h (unsigned_conversion_warning): Delete prototype.
2747
2748 2006-05-01 Richard Guenther <rguenther@suse.de>
2749
2750 PR tree-optimization/26726
2751 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2752 problem ...
2753 (find_interesting_uses_address): ... we work around here
2754 by folding INDIRECT_REFs in the substituted base.
2755
2756 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2757
2758 * omp-low.c (dump_omp_region): Add newlines.
2759
2760 2006-04-30 Roger Sayle <roger@eyesopen.com>
2761
2762 * common.opt (Woverflow): New command line option.
2763 * c-common.c (constant_expression_warning): Check warn_overflow.
2764 (overflow_waring): Pass OPT_Woverflow to warning.
2765 (unsigned_conversion_warning): Likewise.
2766 (convert_and_check): Likewise.
2767 * doc/invoke.texi: Document new command line option.
2768
2769 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2770
2771 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2772 TARGET_NO_FP_IN_TOC for section anchors.
2773 (optimization_options): Enable section anchors for all
2774 non-"Objective" languages.
2775
2776 2006-04-28 Eric Christopher <echristo@apple.com>
2777
2778 * config/darwin-c.c (darwin_ms_struct): Move this
2779 (darwin_set_default_type_attributes): and this...
2780 * config/darwin.c: ... here.
2781 * config/darwin.h (darwin_ms_struct): Declare.
2782
2783 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2784
2785 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2786
2787 2006-04-28 Roger Sayle <roger@eyesopen.com>
2788
2789 PR c/25309
2790 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2791 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2792 an unsigned HOST_WIDE_INT.
2793 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2794 array index.
2795 (really_start_incremental_init): No need to call convert because
2796 bitsize_zero_node is already of type bitsizetype.
2797 (push_init_level): Extract the value of constructor_index as an
2798 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2799 (process_init_element): Likewise.
2800
2801 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2802
2803 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2804 value before passing to make_relative_prefix.
2805
2806 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2807
2808 PR middle-end/27260
2809 * builtins.c (expand_builtin_memset): Expand val in original mode.
2810
2811 2006-04-27 Eric Christopher <echristo@apple.com>
2812
2813 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2814 with #ifndef/#endif.
2815 * config/darwin-c.c (darwin_ms_struct): New.
2816 (darwin_pragma_ms_struct): Ditto.
2817 (darwin_set_default_type_attributes): Ditto.
2818 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2819 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2820 Register ms_struct pragma.
2821 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2822 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2823 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2824 darwin_set_default_type_attributes if TARGET_MACHO.
2825
2826 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2827
2828 PR tree-optimization/26854
2829 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2830 * doc/tree-ssa.texi: Update immuse iterator documentation.
2831 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2832 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2833 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2834 first_safe_imm_use, next_safe_imm_use): Remove.
2835 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2836 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2837 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2838 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2839 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2840 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2841 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2842 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2843 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2844 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2845 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2846 (perfect_nestify): Use new iterator.
2847 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2848 iterator.
2849 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2850 (next_imm_name): New field in struct immediate_use_iterator_d.
2851 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2852 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2853 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2854 * tree-cfg.c (replace_uses_by): Use new iterator.
2855 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2856 * tree-ssa-operands.c (correct_use_link): Remove.
2857 (finalize_ssa_use_ops): No longer call correct_use_link.
2858
2859 2006-04-27 Stuart Hastings <stuart@apple.com>
2860
2861 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2862 * config/t-darwin (crt3.o): Use it.
2863 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2864 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2865 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2866 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2867 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2868 support.
2869
2870 2006-04-27 Roger Sayle <roger@eyesopen.com>
2871
2872 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2873 size, force the intermediate into a new pseudo rather instead of
2874 performing both a bitwise AND and a bitwise IOR in memory.
2875
2876 2006-04-27 Richard Guenther <rguenther@suse.de>
2877
2878 PR rtl-optimization/26685
2879 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2880 this one "max-flow-memory-locations".
2881
2882 2006-04-27 Richard Guenther <rguenther@suse.de>
2883
2884 PR tree-optimization/25148
2885 * tree-vrp.c (compare_values): Remove code dealing with
2886 comparisons against type min/max value. Honour overflow
2887 and negative constants in code dealing with comparisons
2888 of plus and minus expressions.
2889 (value_inside_range): Use fold_binary with LE_EXPR and
2890 GE_EXPR rather than compare_values.
2891
2892 2006-04-27 Dirk Mueller <dmueller@suse.de>
2893
2894 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2895 prototype for SSE.
2896
2897 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2898
2899 * basic-block.h (safe_insert_insn_on_edge): Removed.
2900 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2901
2902 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2903 Paolo Bonzini <bonzini@gnu.org>
2904
2905 PR middle-end/27282
2906 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2907 (simplify_and_const_int): Same.
2908
2909 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2910
2911 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2912
2913 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2914
2915 PR c/26171
2916 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2917 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2918 cgraph_global_info_ready.
2919
2920 PR middle-end/26913
2921 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2922
2923 PR c/25996
2924 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2925 either decl or init is error_mark_node.
2926
2927 PR middle-end/25989
2928 * tree-flow.h (struct omp_region): Add sched_kind.
2929 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2930 instead of extracting omp for data.
2931 (expand_omp_for): Save extracted sched_kind.
2932
2933 2006-04-25 Roger Sayle <roger@eyesopen.com>
2934
2935 * expmed.c (store_bit_field): Also check whether the bitsize is
2936 valid for the machine's "insv" instruction before moving the
2937 target into a pseudo for use with the insv.
2938 * config/i386/predicates.md (const8_operand): New predicate.
2939 * config/i386/i386.md (extv, extzv, insv): Use the new
2940 const8_operand predicate where appropriate.
2941
2942 2006-04-25 DJ Delorie <dj@redhat.com>
2943
2944 * doc/install.texi (Specific): Clarify that this is not a list of
2945 supported hosts or targets.
2946
2947 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2948
2949 PR rtl-optimization/26725
2950 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2951 block's BB_DIRTY flag.
2952
2953 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2954
2955 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2956 are no branches.
2957
2958 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2959 to print an integer.
2960
2961 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2962
2963 * varasm.c (align_variable): New function.
2964 (get_block_for_decl): Apply align_variable to DECL before
2965 calculating section information.
2966 (assemble_variable): Split out alignment computation.
2967
2968 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2969
2970 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2971 machines.
2972
2973 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2974
2975 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2976 MODE_PARTIAL_INT mode.
2977 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2978 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2979 for CONST_INTs.
2980 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2981 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2982 V2PDImode.
2983 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2984 New predicates.
2985 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2986 New constants.
2987 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2988 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2989 MACFLAG_IH): Likewise.
2990 (movstricthi_1): Renamed from "*movstricthi".
2991 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2992 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2993 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2994 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2995 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2996 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2997 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2998 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2999 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3000 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3001 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3002 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3003 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3004 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3005 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3006
3007 * doc/rtl.texi (ss_ashift): Improve wording.
3008
3009 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3010
3011 * dwarf2out.c (verify_marks_clear): New.
3012 (prune_unused_types): Call verify_marks_clear initially, not
3013 prune_unmark_dies.
3014
3015 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3016
3017 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3018 * doc/rtl.texi: Document them.
3019 * simplify-rtx.c (simplify_unary_operation,
3020 simplify_binary_operation_1): Don't abort when we see them.
3021
3022 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3023
3024 Revert:
3025 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3026 * configure.ac: Completely disregard languages that are not
3027 enabled.
3028 * configure: Regenerated.
3029
3030 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3031 Richard Guenther <rguenther@suse.de>
3032
3033 PR tree-optimization/27236
3034 * tree-inline.c (copy_body_r): Make sure to copy
3035 TREE_THIS_VOLATILE flag.
3036
3037 2006-04-24 Richard Guenther <rguenther@suse.de>
3038
3039 PR middle-end/26869
3040 * tree-complex.c (update_parameter_components): Don't handle
3041 unused parameters which have no default def.
3042
3043 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3044 Richard Guenther <rguenther@suse.de>
3045
3046 PR tree-optimization/27218
3047 * tree-inline.c (expand_call_inline): Strip useless type
3048 conversions for the return slot address.
3049
3050 2006-04-24 Richard Guenther <rguenther@suse.de>
3051
3052 * cfgloop.h (struct loops): Remove unused field array. Reorder
3053 state after num.
3054 (LOOP_PREFETCH): Remove.
3055
3056 2006-04-24 Richard Guenther <rguenther@suse.de>
3057
3058 PR tree-optimization/22525
3059 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3060 variable, adjust types of generated expressions.
3061
3062 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3063
3064 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3065 (tree-vect-patterns.o): Likewise.
3066 (jump.o): Likewise.
3067 (cselib.o): Likewise.
3068 (loop-doloop.o): Likewise.
3069 (regclass.o): Likewise.
3070 (reload1.o): Likewise.
3071 (explow.o): Replace target.h with $(TARGET_H).
3072 (ipa-prop.o): Likewise.
3073 (ipa-cp.o): Likewise.
3074 (ipa-inline.o): Likewise.
3075 (reorg.o): Likewise.
3076 (reg-stack.o): Likewise.
3077
3078 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3079
3080 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3081
3082 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3083
3084 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3085
3086 * configure.ac: Completely disregard languages that are not
3087 enabled.
3088 * configure: Regenerated.
3089
3090 PR c++/26534
3091 * c-common.h (c_build_bitfield_integer_type): Declare.
3092 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3093 * c-common.c (c_build_bitfield_integer_type): ... here.
3094
3095 2006-04-23 Roger Sayle <roger@eyesopen.com>
3096
3097 PR target/21283
3098 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3099 a SImode SUBREG of a floating point register after no_new_pseudos.
3100
3101 2006-04-23 Roger Sayle <roger@eyesopen.com>
3102
3103 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3104 identify potentially eliminable registers to additionally catch
3105 VIRTUAL_INCOMING_ARGS_REGNUM.
3106 (addsi3): Update the conditions on when to use addsi_small_int.
3107
3108 2006-04-23 Roger Sayle <roger@eyesopen.com>
3109
3110 PR target/16641
3111 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3112 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3113 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3114
3115 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3116
3117 * fold-const.c (range_predecessor): Use operand_equal_p
3118 as the predicate for equality.
3119 (range_successor): Likewise.
3120
3121 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3122
3123 Revert:
3124 * config/soft-fp/op-common.h: Fix a typo.
3125
3126 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3127
3128 PR libmudflap/26864
3129 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3130 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3131
3132 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3133
3134 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3135 Fix comment typos.
3136 * doc/tm.texi: Fix a typo.
3137
3138 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3139
3140 * dwarf2out.c (struct die_struct): Document that die_sib makes
3141 a circular linked list.
3142 (FOR_EACH_CHILD): New.
3143 (reverse_die_lists): Delete.
3144 (reverse_all_dies): Delete.
3145 (add_dwarf_attr): Correct documentation.
3146 (remove_child_with_prev): New.
3147 (remove_child_TAG): Update for change to die_struct, use
3148 remove_child_with_prev.
3149 (add_child_die): Update for change to die_struct.
3150 (splice_child_die): Use remove_child_with_prev and add_child_die.
3151 (print_die): Use FOR_EACH_CHILD.
3152 (die_checksum): Likewise.
3153 (assign_symbol_names): Likewise.
3154 (output_location_lists): Likewise.
3155 (build_abbrev_table): Likewise.
3156 (calc_die_sizes): Likewise.
3157 (mark_dies): Likewise.
3158 (unmark_dies): Likewise.
3159 (unmark_all_dies): Likewise.
3160 (output_die): Likewise.
3161 (prune_unused_types_mark): Likewise.
3162 (prune_unused_types_walk): Likewise.
3163 (same_die_p): Update for change to die_struct.
3164 (break_out_includes): Likewise.
3165 (prune_unused_types_prune): Likewise.
3166 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3167 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3168 it's already clear.
3169 (dwarf2out_finish): Don't call reverse_all_dies.
3170
3171 2006-04-21 Eric Christopher <echristo@apple.com>
3172
3173 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3174 in comments and function names.
3175
3176 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3177
3178 PR c/25875
3179 * c-typeck.c (digest_init): Robustify.
3180
3181 * c-typeck.c (pop_init_level): Simplify.
3182
3183 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3184
3185 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3186
3187 2006-04-21 Paul Brook <paul@codesourcery.com>
3188
3189 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3190 hardware floating point.
3191
3192 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3193
3194 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3195 NON_FLOAT_REGS.
3196
3197 2006-04-21 Nick Clifton <nickc@redhat.com>
3198
3199 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3200 OPT_EXTRA_PARTS.
3201
3202 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3203
3204 PR target/27230
3205 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3206 C++ lang type in traceback table for Objective-C++.
3207
3208 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3209
3210 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3211
3212 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3213
3214 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3215
3216 PR mudflap/26789
3217 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3218 were errors. Remove check for erroneous objects.
3219
3220 2006-04-20 Jeff Law <law@redhat.com>
3221
3222 PR tree-optimization/26854
3223 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3224 checking for zero or one use.
3225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3226 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3227 * tree-ssa-reassoc.c (negate_value): Similarly.
3228 (reassociate_bb): Similarly.
3229
3230 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3231
3232 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3233 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3234 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3235
3236 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3237
3238 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3239 fp regs if the last fp arg doesn't fit in regs.
3240
3241 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3242
3243 PR target/27182
3244 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3245 that the last insn has the REG_INC note.
3246
3247 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3248 Nathan Sidwell <nathan@codesourcery.com>
3249
3250 PR c/26774
3251 * stor-layout.c (update_alignment_for_field): Do not align
3252 ERROR_MARK nodes.
3253 (place_union_field): Place union field at the start of the union.
3254 (place_field): Move ERROR_MARK check later, and use the current
3255 allocation position to maintain monotonicity.
3256
3257 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3258
3259 * dominance.c: Include timevar.h.
3260 (calculate_dominance_info): Use TV_DOMINANCE.
3261 * timevar.def (TV_DOMINANCE): New timevar.
3262 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3263
3264 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3265
3266 PR rtl-optimization/14261
3267 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3268 move would be an INSV insn.
3269 (noce_process_if_block): Don't optimize if the destination is a
3270 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3271
3272 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3273
3274 * config/s390/s390.md: Add comments with the instructions emitted
3275 by an insn pattern if macros are used.
3276
3277 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3278
3279 PR rtl-optimization/26026
3280 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3281 is a known power of two shifted left a variable amount.
3282
3283 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3284
3285 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3286 to hash table twice when the debug_str section has SECTION_MERGE.
3287
3288 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3289
3290 * config/soft-fp: New directory. From glibc.
3291 * config/soft-fp/t-softfp: New.
3292 * config/soft-fp/README: New.
3293 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3294 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3295 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3296 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3297 * config.gcc: Use rs6000/t-fprules-fpbit or
3298 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3299 rs6000/t-fprules.
3300 * config/rs6000/sfp-machine.h: New. Based on glibc.
3301 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3302 New.
3303 * config/rs6000/t-fprules: Remove fp-bit rules.
3304 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3305 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3306 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3307 (softfp_wrap_start, softfp_wrap_end): New.
3308
3309 2006-04-18 DJ Delorie <dj@redhat.com>
3310
3311 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3312
3313 2006-04-18 Devang Patel <dpatel@apple.com>
3314
3315 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3316
3317 2006-04-18 Nick Clifton <nickc@redhat.com>
3318
3319 * config/sh/t-symbian: Add rule to build sh-c.o
3320 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3321 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3322 (sh_symbian_encode_section_info): Likewise.
3323
3324 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3325
3326 * builtins.c (expand_builtin_strcmp): Cover label definition of
3327 do_libcall with HAVE_cmpstrnsi.
3328
3329 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3330
3331 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3332 instead of VARRAY.
3333 * function.h (temp_slot_p): New.
3334 (function): Change the type of x_used_temp_slots to
3335 VEC(temp_slot_p,gc) *.
3336
3337 2006-04-18 Nick Clifton <nickc@redhat.com>
3338
3339 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3340 flag_strength_reduce.
3341
3342 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3343
3344 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3345
3346 PR target/27117
3347
3348 Partial revert of revision 112637
3349 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3350 Dale Johannesen <dalej@apple.com>
3351
3352 PR target/19653
3353 * regclass.c (struct reg_pref): Update documentation.
3354 (regclass): Set prefclass to NO_REGS if memory is the best option.
3355 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3356
3357 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3358
3359 PR tree-optimization/26821
3360 * tree-ssa-math-opts.c (get_constant_one): New.
3361 (insert_reciprocals): Use it.
3362
3363 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3364
3365 * dwarf2out.c (free_AT): Delete.
3366 (remove_AT): Update string ref counts.
3367 (remove_child_TAG): Don't call free_die.
3368 (free_die): Delete.
3369 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3370 or DW_TAG_GNU_EINCL.
3371 (prune_unused_types_walk_attribs): Reset string refcounts.
3372 (prune_unused_types_update_strings): New.
3373 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3374 call free_die. Do call prune_unused_types_update_strings.
3375 (prune_unused_types): Empty debug_str_hash.
3376
3377 2006-04-17 Roger Sayle <roger@eyesopen.com>
3378
3379 * expr.c (expand_assignment): Optimize away no-op moves where the
3380 source and destination are equal and have no side-effects.
3381
3382 2006-04-17 Richard Guenther <rguenther@suse.de>
3383
3384 PR target/26826
3385 * reload.c (push_reload): Guard calls to get_secondary_mem
3386 for memory subregs.
3387
3388 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3389
3390 * alias.c (reg_base_value, old_reg_base_value): Change the
3391 type to VEC(rtx,gc) *.
3392 (REG_BASE_VALUE, find_base_value, record_set,
3393 init_alias_analysis): Use VEC instead of VARRAY.
3394
3395 * alias.c (alias_sets): Change the type to
3396 VEC(alias_set_entry,gc) *.
3397 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3398 VEC instead of VARRAY.
3399 (last_alias_set): Remove.
3400
3401 * cgraph.h (cgraph_edge_p): New.
3402 Update the prototype of cgraph_function_versioning.
3403 * cgraphunit.c (cgraph_copy_node_for_versioning,
3404 cgraph_function_versioning): Use VEC instead of VARRAY.
3405 * ipa-cp.c (ipcp_insert_stage): Likewise.
3406
3407 2006-04-16 Roger Sayle <roger@eyesopen.com>
3408
3409 PR target/26961
3410 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3411 "A op B" or "A op C", we may need to convert A to the type of B and C.
3412
3413 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3414
3415 * target.h (struct gcc_target): Add mode_rep_extended.
3416 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3417 (init_num_sign_bit_copies_in_rep): Initialize it using
3418 mode_rep_extended.
3419 (truncate_to_mode): Use it.
3420 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3421 * targhooks.h (default_mode_rep_extended): Declare it.
3422 * targhooks.c (default_mode_rep_extended): Define it.
3423 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3424 default_mode_rep_extended.
3425 (TARGET_INITIALIZER): Include it.
3426 * doc/tm.texi (Misc): Document it.
3427 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3428 (mips_truncated_to_mode): New function.
3429
3430 2006-04-16 Roger Sayle <roger@eyesopen.com>
3431
3432 PR middle-end/25474
3433 * expr.c (compress_float_constant): Copy the narrow constant into
3434 a new pseudo before extending it to its final width.
3435
3436 2006-04-16 Roger Sayle <roger@eyesopen.com>
3437 Andrew Pinski <pinskia@gcc.gnu.org>
3438 Dale Johannesen <dalej@apple.com>
3439
3440 PR target/24076
3441 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3442 special case code to implement V8HImode and V16QImode with SSE2.
3443
3444 2006-04-15 Roger Sayle <roger@eyesopen.com>
3445
3446 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3447 trees are constructed with a suitable tree type.
3448
3449 2006-04-15 Roger Sayle <roger@eyesopen.com>
3450
3451 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3452 (integer_onep): Likewise.
3453 (integer_all_onesp): Likewise.
3454 (integer_pow2p): Likewise.
3455 (integer_nonzerop): Likewise.
3456 (real_zerop): Likewise.
3457 (real_onep): Likewise.
3458 (real_twop): Likewise.
3459 (real_minus_onep): Likewise.
3460 (int_size_in_bytes): Likewise.
3461 (host_integerp): Likewise.
3462
3463 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3464
3465 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3466 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3467 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3468
3469 * tree-ssa-structalias.h (alias_info): Remove num_references.
3470
3471 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3472
3473 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3474 (output_bvb patterns): Likewise.
3475 * pa.c (output_bb): Use 'bb' insn for long branch case.
3476 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3477 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3478 1. Correct length operand for alternatives 1 and 2.
3479 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3480 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3481
3482 2006-04-14 Roger Sayle <roger@eyesopen.com>
3483
3484 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3485 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3486 were accidentally reverted by r112959.
3487
3488 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3489
3490 PR middle-end/26823
3491 * except.h (eh_region_outermost): New prototype.
3492 * except.c (eh_region_outermost): New function.
3493 * tree-cfg.c (find_outermost_region_in_block): Use it.
3494
3495 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3496
3497 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3498 of VARRAY.
3499 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3500 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3501 (init_reload, reload): Use VEC instead of VARRAY.
3502 * reload.h: Update the prototype for
3503 reg_equiv_memory_loc_varray.
3504
3505 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3506 Eric Botcazou <ebotcazou@libertysurf.fr>
3507
3508 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3509 register save area.
3510
3511 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3512
3513 PR middle-end/27134
3514 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3515 to expand fallback builtin function call.
3516
3517 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3518
3519 PR middle-end/27095
3520 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3521 and emit libcall here in case the builtin fails.
3522 (expand_builtin_strcmp): Always emit the libcall here on failure.
3523
3524 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3525
3526 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3527 * flow.c (reg_n_info): Change the type to
3528 VEC(reg_info_p,heap) *.
3529 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3530 instead of VARRAY.
3531 * regs.h (reg_info_p): New.
3532 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3533 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3534 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3535 instead of VARRAY.
3536
3537 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3538
3539 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3540 defaulting to 100.
3541 * params.h (MAX_SCHED_READY_INSNS): New macro.
3542 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3543 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3544 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3545 the ready list for 1 cycle during the first scheduling pass.
3546 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3547
3548 2006-04-13 Richard Henderson <rth@redhat.com>
3549
3550 PR libgomp/26651
3551 * gimple-low.c (lower_omp_directive): Remove dead code.
3552 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3553 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3554 * omp-low.c (struct omp_region): Move to tree-flow.h.
3555 (root_omp_region): Export.
3556 (omp_regions, lookup_omp_region): Remove.
3557 (determine_parallel_type): Update for struct omp_region changes.
3558 (dump_omp_region): Dump regions with block numbers.
3559 (new_omp_region): Take type and block instead of stmt; malloc
3560 instead of ggc.
3561 (free_omp_region_1, free_omp_regions): New.
3562 (expand_parallel_call): Take entry_stmt as argument; update for
3563 changes to omp_region.
3564 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3565 (remove_exit_barriers): New.
3566 (expand_omp_parallel): Update for struct omp_region changes.
3567 (expand_omp_synch): Likewise.
3568 (expand_omp): Likewise.
3569 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3570 (expand_omp_for_static_chunk): Likewise.
3571 (expand_omp_for): Likewise.
3572 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3573 (expand_omp_sections): Similarly, with GOMP_sections_end.
3574 (expand_omp_single): New.
3575 (build_omp_regions_1): Update for OMP_CONTINUE.
3576 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3577 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3578 OMP_SECTIONS_SECTIONS.
3579 (lower_omp_single_simple): Don't emit barrier here.
3580 (lower_omp_single_copy): Likewise.
3581 (lower_omp_single): Fix bindings, and lower to straightline now.
3582 (lower_omp_master, lower_omp_ordered): Likewise.
3583 (lower_omp_critical): Likewise.
3584 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3585 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3586 omp edges, free it afterward.
3587 (make_omp_sections_edges): Remove.
3588 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3589 (move_stmt_r): Handle OMP_CONTINUE.
3590 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3591 statement pointers to basic blocks. Add type member.
3592 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3593 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3594 * tree-inline.c (estimate_num_insns_1): Likewise.
3595 * tree-pretty-print.c (dump_generic_node): Likewise.
3596 * tree-ssa-operands.c (get_expr_operands): Likewise.
3597 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3598 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3599 (OMP_CONTINUE): New.
3600 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3601 (OMP_SECTIONS_SECTIONS): Remove.
3602 (OMP_SECTION_LAST): New.
3603 (OMP_RETURN_NOWAIT): New.
3604
3605 2006-04-13 Roger Sayle <roger@eyesopen.com>
3606
3607 * fold-const.c (native_encode_vector, native_interpret_real):
3608 Correct obvious mistakes in the previous check-in.
3609
3610 2006-04-13 Roger Sayle <roger@eyesopen.com>
3611
3612 * fold-const.c (native_encode_expr): New function to encode
3613 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3614 or VECTOR_CST into a specified buffer.
3615 (native_encode_int): New function.
3616 (native_encode_real): New function.
3617 (native_encode_complex): New function.
3618 (native_encode_vector): New function.
3619 (native_interpret_expr): Inverse of native_encode_expr to convert
3620 a target representation into an INTEGER_CST, REAL_CST etc...
3621 (native_interpret_int): New function.
3622 (native_interpret_real): New function.
3623 (native_interpret_complex): New function.
3624 (native_interpret_vector): New function.
3625 (fold_view_convert_expr): New function to constant fold/evaluate
3626 a VIEW_CONVERT_EXPR of a suitable constant expression.
3627 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3628 Change call of build1 to fold_build1 when constructing a
3629 VIEW_CONVERT_EXPR.
3630
3631 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3632 Ulrich Weigand <uweigand@de.ibm.com>
3633
3634 PR target/27006
3635 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3636 to be even.
3637
3638 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3639
3640 PR target/26459
3641 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3642 optimize to lo_sum for DFmode if !TARGET_FPRS.
3643
3644 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3645
3646 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3647 delete_alias_info, compute_flow_sensitive_aliasing,
3648 group_aliases): Use VEC instead of VARRAY.
3649 * tree-ssa-structalias.c (update_alias_info): Likewise.
3650 * tree-ssa-structalias.h (alias_info): Change the type of
3651 processed_ptrs to VEC(tree,heap) *.
3652
3653 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3654
3655 PR target/27060
3656 * config/sh/lib1funcs.h: New file, broken out of:
3657 * config/sh/lib1funcs.asm.
3658 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3659 New macros.
3660 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3661 * config/sh/lib1funcs-Os-4-200.asm: New file.
3662 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3663 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3664 (EXTRA_MULTILIB_PARTS): Include it.
3665 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3666 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3667 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3668 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3669 TARGET_SH2.
3670
3671 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3672
3673 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3674 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3675 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3676 VARRAY.
3677 * tree-ssa-live.h: Include vecprim.h.
3678 (tree_partition_associator_d): Change the type of
3679 first_partition to VEC(int,heap) *.
3680 (tpa_first_partition): Use VEC instead of VARRAY.
3681
3682 * Makefile.in (GTFILES): Move functions.h after tree.h.
3683 * function.c (reset_block_changes, record_block_change,
3684 check_block_change, free_block_changes): Use VEC instead of
3685 VARRAY.
3686 * function.h (function): Change the type of
3687 ib_boundaries_block to VEC(tree,gc) *.
3688 * tree-inline.c (copy_cfg_body): Initialize
3689 ib_boundaries_block to NULL instead of (varray_type) 0.
3690
3691 2006-04-12 Roger Sayle <roger@eyesopen.com>
3692
3693 * expr.c (emit_group_store): Correct operand order in call to
3694 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3695 a SUBREG_BYTE of zero.
3696
3697 2006-04-12 Richard Guenther <rguenther@suse.de>
3698
3699 * profile.c (compute_branch_probabilities): Remove code
3700 encapsulated in !ir_type (), which are remanents of the
3701 removed RTL profiling code.
3702 * rtl-profile.c: Remove.
3703
3704 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3705
3706 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3707 magic NULL_RTX comment.
3708 (function_arg): Store entire fp arg to mem if any part should go
3709 on stack.
3710 (rs6000_arg_partial_bytes): Adjust for above change.
3711
3712 2006-04-11 Roger Sayle <roger@eyesopen.com>
3713
3714 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3715 if it hasn't been initialized by dwarf2out_init.
3716
3717 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3718
3719 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3720 symbolic constants in branch patterns.
3721
3722 2006-04-11 Roger Sayle <roger@eyesopen.com>
3723
3724 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3725
3726 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3727
3728 PR rtl-optimization/27073
3729 * gcse.c (try_replace_reg): Revert last change. Continue to search
3730 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3731 on the former.
3732
3733 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3734
3735 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3736 aggregate types other than record and union types.
3737 (function_arg): Likewise.
3738 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3739 small arrays.
3740 (function_value): In 64-bit mode, return objects that require it
3741 in FP registers.
3742
3743 2006-04-11 Roger Sayle <roger@eyesopen.com>
3744
3745 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3746
3747 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3748
3749 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3750
3751 2006-04-03 Jeff Law <law@redhat.com>
3752
3753 PR/27087
3754 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3755 alias information too.
3756
3757 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3758
3759 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3760
3761 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3762
3763 PR/21391
3764 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3765 (premark_used_types_helper): New.
3766 (premark_used_types): New.
3767 (gen_subprogram_die): Call premark_used_types.
3768 (prune_unused_types_walk): Do not prune perennial dies.
3769 * function.c (used_types_insert): New.
3770 * function.h (struct function): Add used_types_hash field.
3771 (used_types_insert): Add prototype.
3772 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3773 * c-parser.c (c_parser_cast_expression): Save casted types in used
3774 types hash table.
3775
3776 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3777
3778 PR target/26459
3779 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3780 rs6000_explicit_options.float_gprs.
3781
3782 2006-04-10 Roger Sayle <roger@eyesopen.com>
3783
3784 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3785 from ix86_expand_vector_init_low_nonzero. Take an additional
3786 one_var argument indicating which element is non-zero. Support
3787 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3788 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3789 with one_var instead of ix86_expand_vector_init_low_nonzero.
3790
3791 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3792
3793 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3794 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3795 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3796 build/genextract.o): Depend on vecprim.h.
3797 * cfglayout.c, df-problems.c, function.c, genextract.c,
3798 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3799 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3800 vecprim.h.
3801 * vecprim.h: New.
3802
3803 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3804
3805 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3806 Declare VECs of this type.
3807 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3808 (remove_children): Delete.
3809 (add_dwarf_attr): Use VEC routines.
3810 (add_AT_flag): Update for changes to add_dwarf_attr.
3811 (add_AT_int): Likewise.
3812 (add_AT_unsigned): Likewise.
3813 (add_AT_long_long): Likewise.
3814 (add_AT_vec): Likewise.
3815 (add_AT_string): Likewise.
3816 (add_AT_die_ref): Likewise.
3817 (add_AT_fde_ref): Likewise.
3818 (add_AT_loc): Likewise.
3819 (add_AT_loc_list): Likewise.
3820 (add_AT_addr): Likewise.
3821 (add_AT_lbl_id): Likewise.
3822 (add_AT_lineptr): Likewise.
3823 (add_AT_macptr): Likewise.
3824 (add_AT_offset): Likewise.
3825 (add_AT_range_list): Likewise.
3826 (get_AT): Use VEC_iterate.
3827 (remove_AT): Use VEC_ordered_remove.
3828 (free_die): Fold remove_children into here; have it use VEC_iterate.
3829 (print_die): Use VEC_iterate on attrs.
3830 (reverse_die_lists): Don't reverse attr lists.
3831 (die_checksum): Use VEC_iterate on attrs.
3832 (same_die_p): Likewise.
3833 (output_location_lists): Likewise.
3834 (build_abbrev_table): Likewise.
3835 (size_of_die): Likewise.
3836 (unmark_all_dies): Likewise.
3837 (output_abbrev_section): Likewise.
3838 (output_die): Likewise.
3839 (prune_unused_types_walk_attribs): Likewise.
3840
3841 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3842
3843 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3844
3845 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3846
3847 PR debug/27057
3848 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3849
3850 2006-04-09 Roger Sayle <roger@eyesopen.com>
3851
3852 * expr.c (store_constructor): Don't bother clearing target if
3853 we're about to assign a vector to it using vec_init_optab.
3854
3855 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3856
3857 * tree-ssa-alias.c (lhs_may_store_to): New function.
3858 (recalculate_used_alone): Handle LHS of calls.
3859
3860 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3861
3862 PR target/27034
3863 PR target/26508
3864 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3865 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3866 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3867 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3868 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3869 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3870 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3871 stubs. Add ".align 8" directives before all ".dword" directives.
3872 (GTHREAD_USE_WEAK): Revise comment.
3873 (TARGET_ATTRIBUTE_WEAK): Define.
3874 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3875 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3876 * stublib.c: New file.
3877
3878 PR target/26743
3879 PR target/11254
3880 PR target/10274
3881 * pa.md (cbranch patterns): Revise arguments used in calls to
3882 output_cbranch, output_bb and output_bvd. Add long branch length
3883 attributes.
3884 (fbranch patterns): Handle long branches.
3885 (jump): Revise length check. Revise arguments for output_lbranch call.
3886 Add long branch length attributes.
3887 (decrement_and_branch_until_zero): Add long branch length attributes.
3888 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3889 Likewise. Revise arguments for output_parallel_addb and
3890 output_parallel_movb calls.
3891 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3892 output_parallel_movb and output_parallel_addb): Update prototypes.
3893 * pa.c (output_cbranch): Revise arguments. Correct handling of
3894 nullification in long branches.
3895 (output_lbranch): Add new argument to control extraction of delay
3896 instruction.
3897 (output_bb): Handle long branches.
3898 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3899 output_parallel_addb): Likewise.
3900
3901 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3902
3903 PR rtl-optimization/27073
3904 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3905 not REG_EQUIVs.
3906
3907 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3908
3909 * tree.h (tree_memory_tag): Add old_used_alone.
3910 (SMT_OLD_USED_ALONE): New macro.
3911 * tree-ssa-alias.c (recalculate_used_alone): Stop
3912 marking things for renaming unnecessarily.
3913
3914 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3915
3916 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3917 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3918 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3919 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3920 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3921 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3922 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3923 spelling convensions.
3924 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3925 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3926 typos. Follow spelling conventions.
3927
3928 2006-04-07 DJ Delorie <dj@redhat.com>
3929
3930 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3931 passed on the stack.
3932 (m32c_init_cumulative_args): When a function returns a structure,
3933 always pass the pointer to that return area on the stack.
3934 (m32c_function_arg_advance): Don't increment the parameter number
3935 if we're processing the returned structure pointer.
3936 (pushm_info): Reverse order of registers.
3937
3938 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3939
3940 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3941 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3942 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3943 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3944 build_int_cst_type.
3945 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3946 chrec_fold_multiply): Same.
3947 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3948 force_expr_to_var_cost): Same.
3949 * tree-mudflap.c (mf_xform_derefs_1): Same.
3950 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3951
3952 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3953
3954 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3955 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3956 insn.
3957
3958 2006-04-07 Jan Hubicka <jh@suse.cz>
3959
3960 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3961
3962 2006-04-07 Richard Guenther <rguenther@suse.de>
3963
3964 PR tree-optimization/26135
3965 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3966 loads for store copy-prop.
3967 (copy_prop_visit_stmt): Likewise.
3968
3969 2006-04-05 Robert Millan <robertmh@gnu.org>
3970
3971 * config/i386/linux.h: Add a comment to mark macros that are
3972 being overriden in config/k*bsd-gnu.h.
3973 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3974 DYNAMIC_LINKER.
3975 * config/knetbsd-gnu.h: Ditto.
3976
3977 2006-04-06 Jan Hubicka <jh@suse.cz>
3978
3979 PR profile/20815
3980 PR profile/26399
3981 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3982 after buffer.
3983
3984 2006-04-06 Mike Stump <mrs@apple.com>
3985
3986 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3987 for HAVE_nonlocal_goto to be consistent.
3988 (expand_builtin_nonlocal_goto): Likewise.
3989 (expand_builtin_strcmp): Use #ifdef instead of #if
3990 for HAVE_cmpstrnsi to be consistent.
3991
3992 2006-04-05 DJ Delorie <dj@redhat.com>
3993
3994 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3995 vs m32c.
3996
3997 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3998
3999 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4000 got-relative addressing for anything but SImode.
4001
4002 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4003 even if the calling function doesn't modify them.
4004
4005 2006-04-05 Richard Guenther <rguenther@suse.de>
4006
4007 PR tree-optimization/26919
4008 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4009 to cgraph_estimate_size_after_inlining.
4010
4011 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4012
4013 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4014
4015 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4016
4017 PR tree-optimization/26996
4018 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4019 VECTOR_TYPE variables.
4020
4021 2006-04-05 Richard Guenther <rguenther@suse.de>
4022
4023 PR tree-optimization/26763
4024 * fold-const.c (fold_comparison): Move folding of
4025 PTR + CST CMP PTR + CST ...
4026 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4027
4028 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4029
4030 * doc/install.texi (Prerequisites): Refine some wording on
4031 bootstrapping and ksh.
4032 Move the version numbers of DejaGnu here from the testing section
4033 and fix casing of names.
4034 Fix markup and clarify wording for autogen requirements.
4035 Refer to GCJ instead of just java.
4036 Refer to SVN instead of CVS.
4037 Describe diffutils as useful instead of necessary.
4038 (Downloading the source): Refer to SVN instead of CVS.
4039 Adjust a link to our web site accordingly.
4040 (Configuration): Fix casing of Bison.
4041 (Building): Refer to SVN instead of CVS.
4042 Fix a sentence on the use of Bison and remove duplicate (and
4043 incorrect) version number of Bison requirement.
4044 Remove one redundant list of packages needed for building.
4045 (Specific): Avoid reference to CVS.
4046
4047 2006-04-04 Eric Christopher <echristo@apple.com>
4048
4049 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4050 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4051 (rs6000_handle_struct_attribute): New.
4052 (rs6000_ms_bitfield_layout_p): Ditto.
4053
4054 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4055
4056 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4057 NULL for dso parameter to atexit_common.
4058
4059 2006-04-04 Eric Christopher <echristo@apple.com>
4060
4061 * config/i386/i386.c (machopic_output_stub): Output \t
4062 between instructions and operands.
4063
4064 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4065
4066 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4067 satisfies_constraint_[IL] to explicit tests on value.
4068
4069 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4070
4071 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4072 set_nb_iterations_in_loop): Use build_int_cst instead of
4073 build_int_cst_type.
4074 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4075 build_int_cst instead of convert.
4076
4077 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4078
4079 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4080 new value 2 for incoming.
4081 * function.c (expand_function_start): Call struct_value_rtx
4082 with incoming as 2.
4083 * config/sparc/sparc.md: Comment updated_return.
4084 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4085 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4086 struct return if sparc_std_struct_return and incoming is 2.
4087 (print_operand): Do not adjust return if
4088 sparc_std_struct_return.
4089
4090 2006-04-04 Roger Sayle <roger@eyesopen.com>
4091
4092 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4093 convert in the middle-end.
4094 * expr.c (store_expr, store_constructor, get_inner_reference,
4095 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4096 Likewise.
4097 * tree.c (build_range_type): Likewise.
4098
4099 2006-04-04 Tom Tromey <tromey@redhat.com>
4100
4101 * doc/install.texi (Prerequisites): Mention jar.
4102
4103 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4104
4105 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4106 subsection.
4107
4108 2006-04-04 Matthias Klose <doko@debian.org>
4109
4110 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4111 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4112 strings.
4113
4114 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4115
4116 * doc/extend.texi (Function Attributes): Rewrite visibility
4117 attribute documentation.
4118 * doc/invoke.texi (C++ Dialect Options): Rewrite
4119 -fvisibility-inlines-hidden documentation to describe something
4120 entirely different, although in practise compatible.
4121 (Code Gen Options): Warn about system headers in -fvisibility=
4122 documentation.
4123
4124 * doc/extend.texi (Other Builtins): Document that
4125 __builtin_nan is a compile-time constant only when its argument
4126 is valid.
4127
4128 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4129
4130 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4131 trying to remove TRUNCATE check if all bits outside the new mode
4132 are identical to the sign bit.
4133
4134 2006-04-03 Jeff Law <law@redhat.com>
4135
4136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4137 and operand scanning in some common cases.
4138
4139 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4140 Dale Johannesen <dalej@apple.com>
4141
4142 PR target/19653
4143 * regclass.c (struct reg_pref): Update documentation.
4144 (regclass): Set prefclass to NO_REGS if memory is the best option.
4145 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4146 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4147 into account. For non-registers, equate an empty preferred
4148 reload class to a `!' in the constraint; move the if clause to
4149 do so after those that reject the insn.
4150 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4151 return NO_REGS.
4152 (find_dummy_reload): Likewise.
4153 * doc/tm.texi (Register Classes): Document what it means
4154 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4155 * config/i386/i386.c (ix86_preferred_reload_class): Force
4156 using SSE registers (and return NO_REGS for floating-point
4157 constants) if math is done with SSE.
4158 (ix86_preferred_output_reload_class): New.
4159 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4160 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4161 * config/i386/i386.md: Remove # register preferences.
4162
4163 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4164
4165 PR bootstrap/26992
4166 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4167 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4168 the type of nb_iter.
4169 (instantiate_parameters_1): Convert the operands before calling
4170 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4171 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4172
4173 2006-04-02 Roger Sayle <roger@eyesopen.com>
4174
4175 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4176 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4177 instead of convert.
4178 * dojump.c (do_jump): Likewise.
4179 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4180 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4181 gimplify_boolean_expr): Likewise.
4182 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4183 * varasm.c (array_size_for_constructor): Likewise.
4184 * tree-object-size.c (compute_object_offset): Likewise.
4185
4186 2006-04-02 Roger Sayle <roger@eyesopen.com>
4187
4188 PR middle-end/26977
4189 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4190 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4191
4192 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4193
4194 PR tree-optimization/26939
4195 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4196
4197 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4198
4199 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4200 at_stmt. Convert the type of operands before calling
4201 build_polynomial_chrec.
4202 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4203 add_to_evolution_1.
4204 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4205 (instantiate_parameters_1): Convert the type of operands before calling
4206 build_polynomial_chrec.
4207 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4208 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4209 reset_evolution_in_loop): Insert asserts to check the types of the
4210 operands.
4211 (chrec_type): Moved...
4212 (eq_evolutions_p): Use operand_equal_p.
4213 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4214 the types of the operands.
4215 (chrec_type): ...here.
4216 * tree-data-ref.c (create_data_ref): Convert the operands before
4217 calling chrec_replace_initial_condition.
4218 (same_access_functions, analyze_subscript_affine_affine,
4219 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4220 (compute_subscript_distance, analyze_ziv_subscript,
4221 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4222 analyze_miv_subscript): Convert the operands before calling
4223 chrec_fold_minus or chrec_fold_plus.
4224
4225 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4226
4227 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4228 the dependence_relations vector.
4229 (compute_data_dependences_for_loop): Adjust call to
4230 compute_all_dependences.
4231
4232 2006-04-01 Roger Sayle <roger@eyesopen.com>
4233 Richard Henderson <rth@redhat.com>
4234
4235 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4236 gimple_boolify on the condition before calling gimplify_expr.
4237
4238 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4239
4240 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4241 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4242 the frame size. Update to use the new macros.
4243 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4244 * config/xtensa/ieee754-df.S: Likewise.
4245
4246 2006-03-31 Richard Henderson <rth@redhat.com>
4247
4248 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4249 (make_edges): ... here. Control fallthru creation with a local
4250 variable. Do not play with fake edges.
4251 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4252 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4253 a boolean.
4254
4255 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4256
4257 * dwarf2.h (DW64_CIE_ID): Define.
4258 * dwarf2out.c (DWARF_CIE_ID): Define.
4259 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4260 length header. Use DWARF_CIE_ID.
4261 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4262 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4263
4264 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4265
4266 * config/sh/linux-atomic.asm: New file.
4267 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4268
4269 2006-03-31 DJ Delorie <dj@redhat.com>
4270
4271 * config/m32c/cond.md: Set condition flags properly throughout.
4272 * config/m32c/minmax.md: Likewise.
4273 * config/m32c/prologue.md: Likewise.
4274 * config/m32c/bitops.md: Likewise.
4275 * config/m32c/muldiv.md: Likewise.
4276 * config/m32c/mov.md: Likewise.
4277 * config/m32c/addsub.md: Likewise.
4278 * config/m32c/m32c.md: Likewise.
4279 * config/m32c/jump.md: Likewise.
4280 * config/m32c/shift.md: Likewise.
4281
4282 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4283 conditionally output the pattern for this.
4284 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4285 (m32c_compare_redundant): New.
4286 (m32c_output_compare): New.
4287 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4288
4289 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4290 dest, not src. Allow other 4-byte modes.
4291
4292 2006-03-30 Denis Chertykov <denisc@overta.ru>
4293
4294 * doc/md.texi: Refer to avr/constraints.md instead of
4295 avr/avr.h.
4296
4297 2006-03-30 Roger Sayle <roger@eyesopen.com>
4298
4299 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4300 signed vs. unsigned comparison failures on some hosts.
4301
4302 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4303
4304 PR target/26459
4305 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4306 change to FLOAT_REGS.
4307
4308 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4309 (rs6000_override_options): Use it.
4310 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4311 only for -mabi=spe/no-spe and -mabi=altivec.
4312
4313 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4314
4315 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4316 !Zdynamiclib.
4317
4318 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4319
4320 * Makefile.in: Rename docdir to gcc_docdir.
4321
4322 2006-03-30 Roger Sayle <roger@eyesopen.com>
4323
4324 PR target/17959
4325 * expr.c (emit_group_store): Optimize group stores into a pseudo
4326 register by using a paradoxical subreg to initialize the destination
4327 if the first or last member of the group specifies a "low part".
4328
4329 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4330
4331 PR target/26734
4332 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4333 * target.h (struct gcc_target.speculate_insn): Change type of the
4334 second parameter to 'int'.
4335 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4336 the second operand of the DEPS_LIST.
4337 (copy_DEPS_LIST_list): Update reference to the second operand of the
4338 DEPS_LIST.
4339 * rtl.h (alloc_DEPS_LIST): Update signature.
4340 * sched-int.h (ds_t): Change typedef to 'int'.
4341 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4342
4343 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4344
4345 * haifa-sched.c (try_ready): Change condition to restore
4346 non-speculative pattern of the instruction.
4347 (process_insn_depend_be_in_spec): Code to keep probability of the
4348 speculative dependence non-decreasing.
4349
4350 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4351
4352 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4353 (single_move_for_movmem): ... this. Also change all uses.
4354 (bfin_expand_strmov): Renamed to...
4355 (bfin_expand_movmem): ... this. Also change all uses.
4356 * config/bfin/bfin.md (movstrsi): Renamed to...
4357 (movstrsi): ...this.
4358
4359 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4360
4361 PR tree-optimization/26830
4362
4363 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4364 (copy_prop_visit_stmt): Remove write-only variable ann.
4365 (init_copy_prop): Check variable loop depth here. Do not simulate
4366 memory-tag and virtual operand PHIs except for store copy prop.
4367
4368 2006-03-30 Richard Guenther <rguenther@suse.de>
4369
4370 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4371 variants with double arguments.
4372
4373 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4374
4375 * genpreds.c (write_tm_constrs_h): Delete variable p.
4376 * genconditions.c (write_header): Add tm-constrs.h to included
4377 headers.
4378 * genpeep.c (main): Add toplev.h to included headers.
4379 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4380 (build/genpeep.o): Add toplev.h dependency.
4381 * config/rs6000/constraints.md: Add "W" constraint.
4382
4383 2006-03-29 Roger Sayle <roger@eyesopen.com>
4384
4385 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4386 sizes by correctly testing whether the size fits a host integer.
4387 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4388 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4389 SImode range for the default sizetype and bitsizetype.
4390
4391 2006-03-29 Roger Sayle <roger@eyesopen.com>
4392
4393 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4394 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4395 quickly if the argument is already of the correct type.
4396 Call fold_build1 instead of build1. Tidy up blank lines.
4397
4398 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4399
4400 * genemit.c (main): Add tm-constrs.h to included headers.
4401 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4402 * genpeep.c (main): Add tm-constrs.h to included headers.
4403 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4404 (write_tm_constrs_h): this and write complete file.
4405 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4406 (write_insn_preds_c): Add tm-constrs.h to included headers.
4407 (gen_constrs): New variable.
4408 (parse_option): Parse "-c".
4409 (main): Invoke write_tm_constrs_h.
4410 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4411 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4412 (object_out_file): Add tm-constrs.h dependency.
4413 (insn-emit.o): Same.
4414 (insn-output.o): Same.
4415 (insn-peep.o): Same.
4416 (insn-preds.o): Same.
4417 (insn-recog.o): Same.
4418 (tm-constsr.h): New target.
4419 (s-constrs-h): New target.
4420
4421 * config/rs6000/constraints.md: New file.
4422 * config/rs6000/rs6000.c: Include tm-constrs.h.
4423 (num_insn_constant_wide): Convert to satisfies_constraint.
4424 (rs6000_rtx_costs): Convert to satisfies_constraint.
4425 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4426 (CONST_OK_FOR_LETTER_P): Delete.
4427 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4428 (EXTRA_CONSTRAINT): Delete.
4429 (EXTRA_MEMORY_CONSTRAINT): Delete.
4430 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4431 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4432 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4433 satisfies_constraint.
4434
4435 * config/i386/i386.c: Include tm-constrs.h.
4436
4437 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4438
4439 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4440 * tree-data-ref.c (find_data_references_in_loop,
4441 compute_data_dependences_for_loop): Use pointers to VEC.
4442 (analyze_all_data_dependences): Adjust calls.
4443 * tree-data-ref.h (find_data_references_in_loop,
4444 compute_data_dependences_for_loop): Adjust declarations.
4445 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4446 compute_data_dependences_for_loop.
4447
4448 2006-03-29 Paul Brook <paul@codesourcery.com>
4449
4450 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4451 (movdf_vfp): Ditto.
4452
4453 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4454
4455 PR tree-optimization/26859
4456 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4457 division by zero.
4458 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4459 for the step after fold_convert.
4460
4461 2006-03-29 Paul Brook <paul@codesourcery.com>
4462
4463 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4464 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4465
4466 2006-03-29 Paul Brook <paul@codesourcery.com>
4467
4468 PR middle-end/23623
4469 * targhooks.c (default_narrow_bitfield): New fuction.
4470 * targhooks.h (default_narrow_bitfield): add prototype.
4471 * target.h (gcc_target): Add narrow_volatile_bitfield.
4472 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4473 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4474 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4475 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4476
4477 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4478
4479 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4480 tmake_file.
4481 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4482 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4483 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4484 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4485 (s390_function_arg_float): Allow SDmode and DDmode values to be
4486 passed in floating point registers.
4487 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4488 check with SCALAR_FLOAT_MODE_P.
4489 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4490
4491 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4492
4493 PR tree-optimization/25985
4494 * tree-ssa-loop-niter.c (number_of_iterations_le,
4495 number_of_iterations_ne): Make comments more precise.
4496 (number_of_iterations_cond): Add only_exit argument. Use the
4497 fact that signed variables do not overflow only when only_exit
4498 is true.
4499 (loop_only_exit_p): New.
4500 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4501 number_of_iterations_cond.
4502
4503 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4504
4505 PR tree-optimization/26643
4506 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4507 bit_field_refs.
4508
4509 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4510
4511 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4512 (divsi3_i4_int): Likewise.
4513
4514 2006-03-28 Roger Sayle <roger@eyesopen.com>
4515
4516 * expr.c (emit_group_store): Only create a new pseudo reg if the
4517 quantity it needs to hold isn't already a suitable pseudo.
4518
4519 2006-03-28 Jeff Law <law@redhat.com>
4520
4521 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4522 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4523
4524 2006-03-28 Roger Sayle <roger@eyesopen.com>
4525
4526 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4527 the equivalent ~X & Y, and the symmetry related transformations.
4528 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4529 ~X & Y, and symmetry related transforms.
4530
4531 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4532
4533 Revert my 2006-03-27 patches.
4534
4535 2006-03-28 Roger Sayle <roger@eyesopen.com>
4536
4537 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4538 ~(T1)X, when T1 and T2 are integer types of the same precision
4539 and (T2)X isn't an extension.
4540
4541 2006-03-28 Jeff Law <law@redhat.com>
4542
4543 PR tree-optimization/26796
4544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4545 need EH edge cleanups rather than purging them immediately.
4546 (eliminate_degenerate_phis): Handle queued EH cleanups.
4547
4548 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4549
4550 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4551 from parent_var.
4552
4553 2006-03-27 Roger Sayle <roger@eyesopen.com>
4554
4555 PR middle-end/22524
4556 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4557 cast BIT_NOT_EXPR operand to the correct type.
4558
4559 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4560
4561 * tree-loop-linear.c: Don't include varray.h.
4562 (gather_interchange_stats, try_interchange_loops,
4563 linear_transform_loops): Use VEC instead of VARRAY.
4564 * lambda-mat.c: Don't include varray.h.
4565 * tree-chrec.c: Same.
4566 * lambda-trans.c: Same.
4567 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4568 VEC instead of VARRAY.
4569 * tree-vectorizer.h: Idem.
4570 * tree-data-ref.c (dump_data_references,
4571 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4572 initialize_data_dependence_relation, finalize_ddr_dependent,
4573 compute_all_dependences, find_data_references_in_loop,
4574 compute_data_dependences_for_loop, analyze_all_data_dependences,
4575 free_dependence_relation, free_dependence_relations,
4576 free_data_refs): Idem.
4577 * tree-data-ref.h (data_reference_p, subscript_p): New.
4578 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4579 VEC instead of VARRAY.
4580 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4581 (find_data_references_in_loop, compute_data_dependences_for_loop,
4582 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4583 dump_data_dependence_relations, free_dependence_relations,
4584 free_data_refs): Adjust declaration.
4585 (lambda_transform_legal_p): Move declaration here...
4586 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4587 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4588 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4589 vect_analyze_data_refs): Use VEC instead of VARRAY.
4590 * lambda.h (lambda_transform_legal_p): ...from here.
4591 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4592 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4593 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4594 tree-chrec.o): Don't depend on VARRAY_H.
4595
4596 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4597
4598 * rtl.def (Copyright): Update date.
4599 (DEPS_LIST): Change type of the second operand to 'int'.
4600 * target.h (Copyright): Update date.
4601 (struct gcc_target.speculate_insn): Change type of the second parameter
4602 to 'int'.
4603 * lists.c (Copyright): Update date.
4604 (alloc_DEPS_LIST): Change signature. Update reference to the second
4605 operand of the DEPS_LIST.
4606 (copy_DEPS_LIST_list): Update reference to the second operand of the
4607 DEPS_LIST.
4608 * rtl.h (Copyright): Update date.
4609 (alloc_DEPS_LIST): Update signature.
4610 * sched-int.h (Copyright): Update date.
4611 (ds_t): Change typedef to 'int'.
4612 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4613
4614 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4615
4616 * haifa-sched.c (Copyright): Update date.
4617 (try_ready): Change condition to restore non-speculative pattern
4618 of the instruction.
4619 (process_insn_depend_be_in_spec): Code to keep probability of the
4620 speculative dependence non-decreasing.
4621
4622 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4623
4624 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4625 shut up the compiler.
4626
4627 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4628
4629 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4630 to use lib prefix for target.
4631 ($(T)libic_invalidate_array_4-200.a): Likewise.
4632 ($(T)libic_invalidate_array_4a.a): Likewise.
4633
4634 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4635 J"orn Rennecke <joern.rennecke@st.com>
4636
4637 * superh.opt: New file.
4638 * sh.c (boardtype, osruntime): Remove.
4639 * superh.h (SUBTARGET_OPTIONS): Remove.
4640 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4641
4642 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4643 arguments with ^ and/or [].
4644
4645 * config.gcc (sh-*-*): Add quoting to account for quirk of
4646 Solaris /bin/sh.
4647 Replace == with = in enable_incomplete_targets test.
4648
4649 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4650 with MASK_LITTLE_ENDIAN.
4651
4652 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4653 * config/sh/sh.opt: Added to some comments.
4654 * config/sh/superh.h: Removed some chaff.
4655
4656 * config/sh/sh.opt: Add m4-[1234]00* options.
4657 * config/sh/sh.c (sh_handle_option): Likewise.
4658 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4659 (ic_invalidate_array_4-100.o): New rule.
4660 ($(T)libic_invalidate_array_4-100.a): Likewise.
4661 (ic_invalidate_array_4-200.o): Likewise.
4662 ($(T)libic_invalidate_array_4-200.a): Likewise.
4663 (ic_invalidate_array_4a.o): Likewise.
4664 ($(T)libic_invalidate_array_4a.a): Likewise.
4665 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4666 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4667 m4-200*, and m4a*.
4668 * config/sh/crt1.asm: Merged in profiling code.
4669 * config/sh/superh.h (STARTFILE_SPEC): Override.
4670 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4671 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4672 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4673
4674 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4675 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4676 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4677
4678 * sh.opt (mpretend-cmove): New option.
4679 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4680 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4681 (movsicc): Add TARGET_PRETEND_CMOVE code.
4682
4683 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4684
4685 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4686 s390_class_max_nregs): New function prototypes.
4687 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4688 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4689 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4690 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4691
4692 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4693
4694 * dwarf2out.c (add_location_or_const_value_attribute): Call
4695 tree_add_const_value_attribute if nothing else works.
4696 (reference_to_unused): New.
4697 (rtl_for_decl_init): Use reference_to_unused to decide whether
4698 to output an initializer.
4699
4700 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4701
4702 PR target/26459
4703 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4704 peephole removing spe frob_di_df_2.
4705
4706 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4707
4708 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4709 (subscript_dependence_tester_1): Declared.
4710 (print_dir_vectors, print_dist_vectors): New.
4711 (debug_data_dependence_relation): New.
4712 (dump_data_dependence_relation): Print more details.
4713 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4714 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4715 (save_dist_v, save_dir_v, add_outer_distances,
4716 build_classic_dist_vector_1): New.
4717 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4718 Don't test for lambda_vector_lexico_pos.
4719 (same_access_functions, add_multivariate_self_dist,
4720 add_other_self_distances, dir_from_dist): New.
4721 (build_classic_dir_vector): Replace implementation almost identical to
4722 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4723 dir_from_dist.
4724 (subscript_dependence_tester_1): New.
4725 (subscript_dependence_tester): Handle the lexicographically negative
4726 distance vectors by recomputing the dependence relation.
4727 (compute_affine_dependence): Remove parameter loop_nest_depth.
4728 (compute_self_dependence): Don't call compute_subscript_distance.
4729 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4730 Add a parameter for the loop_nest.
4731 (find_loop_nest_1, find_loop_nest): New.
4732 (compute_data_dependences_for_loop): Compute the loop nest, and give
4733 up if the nest is not well formed.
4734 * tree-data-ref.h (loop_p): New.
4735 (struct data_dependence_relation): Replace size_vect field with
4736 loop_nest, a vec of loops.
4737 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4738 (DDR_LOOP_NEST): New.
4739 (print_dir_vectors, print_dist_vectors,
4740 debug_data_dependence_relation): Declared.
4741 (index_in_loop_nest): New.
4742 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4743 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4744 distance.
4745
4746 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4747
4748 * simplify-rtx.c (simplify_relational_operation): Call
4749 simplify_relational_operation_1 even if mode is VOIDmode.
4750
4751 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4752
4753 PR tree-optimization/26804
4754 * tree.h (DECL_CALL_CLOBBERED): New macro.
4755 (tree_decl_common): Add call_clobbered_flag.
4756 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4757 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4758 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4759 (mark_non_addressable): Ditto.
4760 * tree-ssa.c (verify_call_clobbered): New function.
4761 (verify_alias_info): Use it.
4762 * tree-pass.h (pass_reset_cc_flags): New prototype.
4763 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4764 (reset_cc_flags): New function.
4765 * passes.c (init_optimization_passes): Call reset_cc_flags after
4766 initializing referenced_vars.
4767
4768 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4769 Roger Sayle <roger@eyesopen.com>
4770
4771 PR middle-end/26717
4772 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4773 to 1.0 for non-real operands. Implement A / A optimization for
4774 complex operands.
4775
4776 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4777
4778 * config/i386/i386.c (size_cost): Correct the comment for
4779 cost of storing fp registers.
4780 (i386_cost): Likewise.
4781 (i486_cost): Likewise.
4782 (pentium_cost): Likewise.
4783 (pentiumpro_cost): Likewise.
4784 (k6_cost): Likewise.
4785 (athlon_cost): Likewise.
4786 (k8_cost): Likewise.
4787 (pentium4_cost): Likewise.
4788 (nocona_cost): Likewise.
4789 (generic64_cost): Likewise.
4790 (generic32_cost): Likewise.
4791
4792 2006-03-24 Denis Chertykov <denisc@overta.ru>
4793
4794 * config/avr/avr-protos.h (extra_constraint): Delete.
4795 (extra_constraint_Q): New declaration.
4796 * config/avr/constraints.md: New file.
4797 * config/avr/avr.md: Include it.
4798 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4799 (TMP_REGNO, ZERO_REGNO): Likewise.
4800 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4801 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4802 (extra_constraint): Delete.
4803 (extra_constraint_Q): Test for memory constraint 'Q'.
4804 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4805 (REG_CLASS_FROM_LETTER): Delete.
4806 (CONST_OK_FOR_LETTER_P): Delete.
4807 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4808 (EXTRA_CONSTRAINT): Delete.
4809 (TMP_REGNO): Delete.
4810 (ZERO_REGNO): Delete.
4811
4812 2006-03-24 Jeff Law <law@redhat.com>
4813
4814 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4815 directly. Call mark_new_vars_to_rename slightly earlier.
4816
4817 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4818
4819 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4820 (is_cxx): Likewise.
4821 (gen_compile_unit_die): Use new language types for Objective-C and
4822 Objective-C++.
4823 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4824 DW_LANG_C_plus_plus.
4825
4826 PR 26793
4827 * config/t-darwin (crt3.o): Work around bug 26840.
4828 * config/darwin-crt3.c: Rewrite.
4829 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4830
4831 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4832
4833 * doc/invoke.texi: Document -femit-class-debug-always
4834 * common.opt: Add -femit-class-debug-always.
4835
4836 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4837
4838 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4839 index and base register.
4840 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4841 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4842 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4843 REGNO_OK_FOR_INDEX_P.
4844 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4845 ADDR_REGNO_P.
4846 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4847 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4848 REG_OK_FOR_BASE_P): Definitions removed.
4849
4850 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4851
4852 PR middle-end/26611
4853 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4854 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4855 set yet or weren't marked as local yet.
4856
4857 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4858
4859 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4860 the compiler.
4861
4862 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4863
4864 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4865 (rs6000_legitimate_small_data_p): Delete.
4866 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4867 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4868 and make static. Add forward declaration. Update uses.
4869 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4870 of offsettable_memref_p.
4871 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4872 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4873
4874 2006-03-24 Jeff Law <law@redhat.com>
4875
4876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4877 around bug in immediate-use iterator.
4878
4879 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4880
4881 PR target/26607
4882 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4883 or __LITTLE_ENDIAN__.
4884
4885 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4886
4887 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4888 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4889 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4890 * config/sh/sh.opt (mdiv=): Amend description.
4891 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4892 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4893 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4894 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4895 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4896 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4897 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4898 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4899 TARGET_DIVIDE_CALL_FP.
4900
4901 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4902
4903 * haifa-sched.c (choose_ready): Fix type of the local variable.
4904 Move local variables. Add comment.
4905 (check_reg_live): Change signature. Make callable from debugger.
4906 * sched-int.h (check_reg_live): Update signature.
4907 * sched-ebb.c (check_reg_live): Update parameters.
4908 * sched-rgn.c (check_reg_live): Ditto.
4909 (region_head_or_leaf_p): Check pointer before dereferencing.
4910 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4911 before reload on optimization levels below 1.
4912
4913 2006-03-23 Richard Henderson <rth@redhat.com>
4914
4915 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4916 tls symbols.
4917
4918 PR target/26347
4919 * config/alpha/predicates.md (local_symbolic_operand): Reject
4920 weak symbols.
4921
4922 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4923
4924 PR tree-opt/26795
4925 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4926 expressions which have overflowed constants.
4927
4928 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4929
4930 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4931
4932 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4933
4934 * cfgloopmanip.c (create_loop_notes): Removed.
4935 * final.c (final_scan_insn): Do not handle loop notes.
4936 * jump.c (squeeze_notes): Ditto.
4937 * cfglayout.c (skip_insns_after_block,
4938 duplicate_insn_chain): Ditto.
4939 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4940 create_loop_notes.
4941 * cfgloop.h (create_loop_notes): Declaration removed.
4942
4943 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4944
4945 * varasm.c (output_constant_pool): Restore fnname and fndecl
4946 arguments.
4947 (assemble_start_function): Adjust call accordingly.
4948 (assemble_end_function): Likewise.
4949
4950 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4951
4952 PR mudflap/26789
4953 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4954
4955 PR mudflap/26790
4956 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4957
4958 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4959
4960 PR driver/22600
4961 * system.h (ICE_EXIT_CODE): New macro.
4962 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4963 (diagnostic_action_after_output): Likewise.
4964 * gcc.c (fatal_ice): New function.
4965 (execute): Use it instead of fatal.
4966 (fancy_abort): Likewise.
4967 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4968
4969 2006-03-22 Jeff Law <law@redhat.com>
4970
4971 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4972 iv_analyze_result returning false.
4973
4974 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4975
4976 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4977
4978 2006-03-22 Richard Henderson <rth@redhat.com>
4979
4980 PR middle-end/26084
4981 * except.c (duplicate_eh_regions_0): New.
4982 (duplicate_eh_region_1): Duplicate the children of the node as
4983 well as the node itself. Link them up properly.
4984 (duplicate_eh_region_2): Merge into ...
4985 (duplicate_eh_regions): ... here. Take copy_region argument, and
4986 copy only a sub-tree if asked. Simplify copying and fixup.
4987 (eh_region_outer_p): New.
4988 * except.h (duplicate_eh_regions): Update decl.
4989 (eh_region_outer_p): Declare.
4990 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4991 (lower_omp_master): Likewise.
4992 (lower_omp_ordered): Likewise.
4993 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4994 (move_stmt_r): Use it to remap labels. Handle recursion vs
4995 remap_decls_p properly.
4996 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4997 (find_outermost_region_in_block): New.
4998 (new_label_mapper): New.
4999 (move_sese_region_to_fn): Copy eh information to the new function
5000 properly.
5001 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5002 argument.
5003 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5004 number.
5005
5006 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5007
5008 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5009 into shared libraries.
5010
5011 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5012
5013 * doc/md.texi: Refer to i386/constraints.md instead of
5014 i386/predicates.md.
5015 * config/i386/constraints.md: New file, extracted from...
5016 * config/i386/predicates.md: ...here.
5017 * config/i386/i386.md: Include constraints.md.
5018
5019 2006-03-21 Jason Merrill <jason@redhat.com>
5020
5021 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5022
5023 PR middle-end/20297
5024 * expr.c (init_block_move_fn): Force default visibility.
5025 (init_block_clear_fn): Likewise.
5026 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5027 * targhooks.c (default_external_stack_protect_fail): Likewise.
5028
5029 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5030
5031 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5032 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5033 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5034 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5035 (loadgp): Use mips_current_loadgp_style.
5036 (loadgp_noshared): New pattern.
5037 (sibcall_internal): Use MIPS_CALL.
5038 (sibcall_value_internal): Likewise.
5039 (sibcall_value_multiple_internal): Likewise.
5040 (call_internal): Likewise.
5041 (call_value_internal): Likewise.
5042 (call_value_multiple_internal): Likewise.
5043 (call_split): Use MIPS_CALL and add an 'S' constraint.
5044 (call_value_split): Likewise.
5045 (call_value_multiple_split): Likewise.
5046 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5047 (-mshared): New option.
5048 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5049 (mips_current_loadgp_style): Declare.
5050 * config/mips/mips.c (mips_classify_symbol): Avoid using
5051 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5052 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5053 TARGET_ABSOLUTE_ABICALLS.
5054 (override_options): Adjust comments. Improve the warning that is
5055 issued when -mabicalls and -G are used together.
5056 (mips_file_start): Remove comment.
5057 (mips_current_loadgp_style): New function.
5058 (mips_gnu_local_gp): New variable.
5059 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5060 LOADGP_ABSOLUTE.
5061 (mips_output_function_prologue): Use mips_current_laodgp_style.
5062 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5063 the cprestore instruction.
5064 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5065 live for TARGET_ABSOLUTE_ABICALLS.
5066 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5067 (ASM_SPEC): Pass down -mshared and -mno-shared.
5068 (MIPS_CALL): New macro.
5069 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5070 definition.
5071 * doc/invoke.texi (-mabicalls): Update documentation.
5072 (-mshared): Document.
5073
5074 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5075
5076 * config/ia64/unwind-hpux.c: New file.
5077 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5078
5079 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5080
5081 PR libgomp/26384
5082 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5083
5084 2006-03-21 Jeff Law <law@redhat.com>
5085
5086 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5087 type conversions of a VR_VARYING source to a wider type.
5088
5089 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5090
5091 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5092 tm_file on Solaris 10 and later.
5093 (sparc64-*-solaris2*): Likewise.
5094 (sparc-*-solaris2*): Likewise.
5095 * config/sol26.h: Rename to config/sol2-6.h.
5096 * config/sol2-10.h: New file.
5097
5098 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5099
5100 PR tree-opt/26781
5101 * tree-ssa-pre.c (create_component_ref_by_pieces):
5102 Handle STRING_CST.
5103
5104 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5105
5106 PR c++/26690
5107 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5108 return it immediately.
5109
5110 2006-03-21 Michael Matz <matz@suse.de>
5111
5112 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5113 New members.
5114 (remove_arc, add_arc): Update num_out_arcs member.
5115 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5116 of out arcs.
5117 (cache_presence): New function.
5118 (compare_states_for_equiv): New function.
5119 (state_is_differed): Don't take number of outargs, adjust callers.
5120 Use new invariant for speeding up.
5121 (init_equiv_class): Create initial classes based on sorted
5122 input.
5123 (partition_equiv_class): Don't track out_arcs_num.
5124 (evaluate_equiv_classes): Call cache_presence on all states and
5125 sort them.
5126
5127 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5128
5129 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5130 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5131 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5132 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5133 callers changed.
5134 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5135 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5136 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5137 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5138 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5139 macros.
5140 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5141 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5142 (REGNO_REG_CLASS): ARGP is in PREGS.
5143 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5144 IREGS.
5145 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5146 to deal with those addresses.
5147 * addresses.h: New file.
5148 * caller-save.c: Include "addresses.h".
5149 (init_caller_save): Use new base_reg_class function.
5150 * rtl-factoring.c: Include "addresses.h".
5151 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5152 * recog.c: Include "addresses.h".
5153 (preprocess_constraints): Use new base_reg_class function.
5154 * regrename.c: Include "addresses.h".
5155 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5156 functions. Keep track of a new var INDEX_CODE to compute valid
5157 classes.
5158 (replace_oldest_value_addr): Likewise.
5159 (replace_oldest_value_mem): Use base_reg_class.
5160 * reload.c: Include "addresses.h".
5161 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5162 (find_reloads): Use new base_reg_class function.
5163 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5164 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5165 all callers and prototype changed.
5166 * reload1.c: Include "addresses.h".
5167 (maybe_fix_stack_asms): Use base_reg_class.
5168 * regclass.c: Include "addresses.h".
5169 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5170 (init_reg_autoinc): Use new base_reg_class function.
5171 (record_reg_classes): Likewise.
5172 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5173 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5174 Use new args to compute necessary class.
5175
5176 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5177 regrename.o, rtl-factoring.o): Update dependencies.
5178 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5179 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5180 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5181 REG_OK_FOR_INDEX_P): Delete documentation.
5182
5183 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5184
5185 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5186 from V7 to V9 for Solaris 7 and above.
5187
5188 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5189
5190 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5191 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5192 argument pointers may not alias any other storage.
5193 * common.opt: Define option -fargument-noalias-anything.
5194 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5195 alias semantics is specified by flag_argument_noalias > 2.
5196
5197 2006-03-20 Jeff Law <law@redhat.com>
5198
5199 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5200 (pass_phi_only_cprop): Declare.
5201 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5202 with phi_only_cprop
5203 * tree-ssa-dom.c (degenerate_phi_result): New function.
5204 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5205 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5206 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5207 (eliminate_degenerate_phis): Likewise.
5208 (pass_phi_only_cprop): New pass descriptor.
5209 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5210 support code. Callers updated.
5211 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5212 (store_copy_prop): Likewise.
5213 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5214
5215 2006-03-20 Jason Merrill <jason@redhat.com>
5216
5217 PR c++/21764
5218 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5219 (push_visibility, pop_visibility): Likewise.
5220 * c-pragma.h: Declare them.
5221
5222 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5223
5224 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5225
5226 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5227 parameter and use get_ebb_head_tail.
5228 (sh_md_init_global): Adjust uses of find_regmode_weight.
5229
5230 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5231
5232 * function.h (struct function) <x_tail_recursion_reentry>:
5233 Rename to x_stack_check_probe_note.
5234 (tail_recursion_reentry): Rename to stack_check_probe_note.
5235 * function.c: Replace tail_recursion_reentry with
5236 stack_check_probe_note everywhere.
5237 (expand_function_start): Only emit a note for
5238 stack_check_probe_note with -fstack-protect.
5239 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5240
5241 * emit-rtl.c (remove_unnecessary_notes): Remove.
5242 (pass_remove_unnecessary_notes): Remove.
5243 * rtl.h (remove_unnecessary_notes): Remove prototype.
5244 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5245 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5246 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5247
5248 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5249
5250 PR tree-opt/26629
5251 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5252 (valid_in_set): Handle ARRAY_REF.
5253 Change "if min_variant or VH" to asserts.
5254 (create_component_ref_by_pieces): Handle ARRAY_REF.
5255 (create_expression_by_pieces): Likewise.
5256 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5257
5258 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5259
5260 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5261 is operand of switch, not str[0].
5262
5263 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5264
5265 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5266 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5267
5268 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5269
5270 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5271 end of insn_extra_address_constraint declaration.
5272
5273 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5274
5275 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5276 (no-sum-in-toc): Same.
5277 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5278 variables.
5279 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5280 NO_FP_IN_TOC for -fPIC instead of mask.
5281
5282 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5283 (BOOT_LDFLAGS): Delete.
5284 (LDFLAGS): Delete.
5285 * config/rs6000/t-aix52: Same.
5286
5287 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5288 (stmsi[345678]_power): New.
5289
5290 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5291
5292 * config/ia64/ia64.opt: Add empty line to end of file.
5293
5294 2006-03-17 Richard Guenther <rguenther@suse.de>
5295
5296 PR middle-end/26721
5297 * builtins.c (get_pointer_alignment): For component style references
5298 adjust alignment to the component type alignment. Make sure
5299 to adjust alignment for component access of constants.
5300
5301 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5302
5303 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5304 unconditional jump.
5305
5306 2006-03-17 Paul Brook <paul@codesourcery.com>
5307
5308 * doc/install.texi: Docuemnt --with-mode.
5309 * config.gcc: Add --with-mode for arm*-*-*.
5310 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5311
5312 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5313
5314 * sh.c (max_labelno_before_reorg): New variable.
5315 (sh_reorg): Initialize it.
5316 (find_barrier): Check max_labelno_before_reorg before using
5317 label_to_alignment. Take length of explicit alignment insns
5318 into account. When seeing a UNSPECV_CONST_END, return it.
5319
5320 * sh.c (fixup_mova): Set mode of affected label to QImode.
5321 (untangle_mova): New function.
5322 (find_barrier): Use it. Check mode of label before decrementing
5323 num_mova.
5324 (sh_reorg): Likewise.
5325 Set mode of all insns back to VOIDmode.
5326
5327 * sh.c (MOVA_LABELREF): New macro.
5328 (mova_p, fixup_mova, sh_reorg): Use it.
5329 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5330 ADDR_DIFF_VEC matches mova.
5331
5332 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5333
5334 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5335 with ATTRIBUTE_UNUSED.
5336
5337 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5338
5339 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5340 pointer, instead of assuming it is possible to derive the
5341 correct args size from a call insn.
5342
5343 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5344
5345 * rtl.h (CONST_INT_P): Define.
5346 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5347 instead of GET_CODE(x) == CONST_INT.
5348 (vax_rtx_costs): Likewise.
5349 (vax_output_int_move): Likewise.
5350 (vax_output_int_add): Likewise.
5351 (legitimate_constant_address_p): Likewise.
5352 (index_term_p): Likewise.
5353 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5354 * config/vax/vax.md (and<mode>3): Likewise.
5355 (ashrsi3): Likewise.
5356 (extv): Likewise.
5357 (movstricthi): Likewise.
5358 (movstrictqi): Likewise.
5359 (rotrsi3): Likewise.
5360 (five unnamed insns): Likewise.
5361
5362 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5363
5364 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5365 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5366 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5367 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5368 Pass to ASM_OUTPUT_DWARF_OFFSET.
5369 * dwarf2out.c (debug_frame_section): New.
5370 (output_call_frame_info): Use debug_frame_section. Pass it to
5371 dw2_asm_output_offset.
5372 (output_die): Pass appropriate section to dw2_asm_output_offset.
5373 (output_compilation_unit_header): Likewise.
5374 (output_pubnames): Likewise.
5375 (output_aranges): Likewise.
5376 (enum dw_val_class): Break dw_val_class_lbl_offset into
5377 dw_val_class_lineptr and dw_val_class_macptr.
5378 (add_AT_lbl_offset): Delete.
5379 (add_AT_lineptr): New.
5380 (add_AT_macptr): New.
5381 (AT_lbl): Expect a lineptr or macptr.
5382 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5383 (attr_checksum): Likewise.
5384 (same_dw_val_p): Likewise.
5385 (size_of_die): Likewise.
5386 (value_format): Likewise.
5387 (output_die): Likewise.
5388 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5389 add_AT_lbl_offset.
5390 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5391 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5392 * config/darwin-protos.h (darwin_file_start): New.
5393 (darwin_asm_output_dwarf_offset): New.
5394 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5395 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5396 darwin_file_start.
5397 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5398 if not EH section; simplify.
5399 (darwin_file_start): New.
5400 (darwin_asm_output_dwarf_offset): New.
5401 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5402 mark as 'debug'.
5403 (DEBUG_INFO_SECTION): Likewise.
5404 (DEBUG_ABBREV_SECTION): Likewise.
5405 (DEBUG_ARANGES_SECTION): Likewise.
5406 (DEBUG_MACINFO_SECTION): Likewise.
5407 (DEBUG_LINE_SECTION): Likewise.
5408 (DEBUG_LOC_SECTION): Likewise.
5409 (DEBUG_PUBNAMES_SECTION): Likewise.
5410 (DEBUG_STR_SECTION): Likewise.
5411 (DEBUG_RANGES_SECTION): Likewise.
5412 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5413 (ASM_OUTPUT_DWARF_OFFSET): New.
5414
5415 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5416
5417 * config.gcc (tm_defines): Always add to previous value rather
5418 than replacing it.
5419
5420 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5421
5422 * config/mips/predicates.md (splittable_const_int_operand): New,
5423 split from move_operand.
5424 (splittable_symbolic_operand): New.
5425 (move_operand): Add commentary. Use splittable_const_int_operand.
5426 Inline mips_atomic_symbolic_constant_p.
5427 * config/mips/mips.md: Add combine splitters for handling moves
5428 of splittable_const_int_operands and splittable_symbolic_operands.
5429 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5430 (mips_split_symbol): Declare.
5431 (mips_move_integer): Declare.
5432 * config/mips/mips.c (mips_split_p): Make global.
5433 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5434 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5435 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5436 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5437 (mips_offset_within_object_p): Handle block symbols.
5438 (mips_atomic_symbolic_constant_p): Delete.
5439 (mips_cannot_force_const_mem): Return false for constants that
5440 mips_legitimize_move can handle.
5441 (mips_use_blocks_for_constant_p): New function.
5442 (mips_split_symbol): Make global.
5443 (mips_move_integer): Likewise. Add a temporary register argument.
5444 (mips_legitimize_const_move): Use splittable_const_int_operand and
5445 splittable_symbolic_operand.
5446 (mips_use_anchors_for_symbol_p): New function.
5447 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5448 (mips_split_p): Declare.
5449
5450 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5451
5452 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5453 (mips*-*-linux*): Likewise.
5454
5455 2006-03-16 Roger Sayle <roger@eyesopen.com>
5456 Daniel Speyer <dspeyer@wam.umd.edu>
5457
5458 PR middle-end/18259
5459 * tree-dump.c (dump_real): New function.
5460 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5461 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5462 (tree-dump.o): Add $(REAL_H) to the dependencies.
5463
5464 2006-03-16 Roger Sayle <roger@eyesopen.com>
5465
5466 PR middle-end/21781
5467 * real.c (real_from_string): If the mantissa is zero, don't bother
5468 parsing the exponent as the result should always be zero.
5469
5470 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5471
5472 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5473
5474 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5475
5476 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5477 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5478 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5479 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5480 ia64_sched_finish_global): New static functions to implement
5481 hooks from gcc_target.sched.
5482 (spec_check_no, max_uid, pending_data_specs): New static variables.
5483 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5484 ia64_spec_check_src_p): New static functions.
5485 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5486 (TARGET_SCHED_ADJUST_COST): Removed.
5487 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5488 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5489 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5490 TARGET_SCHED_GEN_CHECK,
5491 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5492 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5493 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5494 Fixed to handle speculation checks.
5495 (rtx_needs_barrier): Fixed to handle speculative loads and
5496 their checks.
5497 (ia64_variable_issue): Added code to count speculative loads and their
5498 checks.
5499 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5500 speculative loads.
5501 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5502 New enumerations.
5503 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5504 New constants.
5505 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5506 (ia64_reorg): Reset stops_p to NULL after it is freed.
5507 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5508 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5509 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5510 chk_a.
5511 (data_speculative, control_speculative, check_load): New attributes.
5512 (mov<mode>_advanced, mov<mode>_speculative,
5513 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5514 zero_extend<mode>di2_speculative,
5515 zero_extend<mode>di2_speculative_advanced): New patterns for
5516 data and control speculative loads.
5517 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5518 check loads.
5519 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5520 New pattern for data and control speculation checks.
5521 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5522 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5523 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5524 Auxiliary definitions for the patterns.
5525 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5526 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5527 constraints.
5528 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5529 for speculation.
5530 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5531 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5532 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5533 New resource constraints.
5534 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5535 for speculation.
5536 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5537 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5538 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5539 msched-in-control-spec, msched-ldc, msched-control-ldc,
5540 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5541 msched-prefer-non-control-spec-insns,
5542 msched-count-spec-in-critical-path): New flags to tune speculative
5543 scheduling.
5544 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5545 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5546 msched-in-control-spec, msched-ldc, msched-control-ldc,
5547 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5548 msched-prefer-non-control-spec-insns,
5549 msched-count-spec-in-critical-path): Document new flags.
5550
5551 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5552
5553 * target.h (struct spec_info_def): New opaque declaration.
5554 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5555 speculate_insn, needs_block_p, gen_check,
5556 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5557 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5558 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5559 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5560 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5561 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5562 gcc_target.sched.
5563 (TARGET_SCHED): Use new macros.
5564 * rtl.h (copy_DEPS_LIST_list): New prototype.
5565 * sched-int.h (struct sched_info): Change signature of new_ready field,
5566 adjust all initializations. New fields: add_remove_insn,
5567 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5568 region_head_or_leaf_p.
5569 (struct spec_info_def): New structure declaration.
5570 (spec_info_t): New typedef.
5571 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5572 recovery_block, orig_pat.
5573 (glat_start, glat_end): New variables declaraions.
5574 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5575 New access macros.
5576 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5577 DETACH_LIFE_INFO, USE_GLAT.
5578 (enum SPEC_SCHED_FLAGS): New enumeration.
5579 (NOTE_NOTE_BB_P): New macro.
5580 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5581 attach_life_info, debug_spec_status, check_reg_live): New functions.
5582 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5583 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5584 sched-ebb.c
5585 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5586 * ddg.c (get_block_head_tail): Adjust all uses.
5587 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5588 (sms_sched_info): Initialize new fields.
5589 (contributes_to_priority): Removed.
5590 * haifa-sched.c (params.h): New include.
5591 (get_block_head_tail): Adjust all uses.
5592 (ISSUE_POINTS): New macro.
5593 (glat_start, glat_end): New global variables.
5594 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5595 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5596 old_last_basic_block, before_recovery, current_sched_info_var,
5597 rgn_n_insns, luid): New static variables.
5598 (insn_cost1): New function. Move logic from insn_cost to here.
5599 (find_insn_reg_weight1): New function. Move logic from
5600 find_insn_reg_weight to here.
5601 (reemit_notes, move_insn, max_issue): Change signature.
5602 (move_insn1): Removed.
5603 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5604 extend_bb): New static functions to support extension of scheduler's
5605 data structures.
5606 (generate_recovery_code, process_insn_depend_be_in_spec,
5607 begin_speculative_block, add_to_speculative_block,
5608 init_before_recovery, create_recovery_block, create_check_block_twin,
5609 fix_recovery_deps): New static functions to support
5610 generation of recovery code.
5611 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5612 restore_bb_notes, move_block_after_check, move_succs): New static
5613 functions to support ebb scheduling.
5614 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5615 functions to support handling of register live information.
5616 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5617 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5618 add_jump_dependencies): New static functions.
5619 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5620 consistancy checking.
5621 (debug_spec_status): New function to call from debugger.
5622 (priority): Added code to handle speculation checks.
5623 (rank_for_schedule): Added code to distinguish speculative instructions.
5624 (schedule_insn): Added code to handle speculation checks.
5625 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5626 Fixed to handle ebbs.
5627 (move_insn): Added code to handle ebb scheduling.
5628 (max_issue): Added code to use ISSUE_POINTS of instructions.
5629 (choose_ready): Added code to choose between speculative and
5630 non-speculative instructions.
5631 (schedule_block): Added code to handle ebb scheduling and scheduling of
5632 speculative instructions.
5633 (sched_init): Initialize new variables.
5634 (sched_finish): Free new variables. Print statistics.
5635 (try_ready): Added code to handle speculative instructions.
5636 * lists.c (copy_DEPS_LIST_list): New function.
5637 * sched-deps.c (extend_dependency_caches): New function. Move logic
5638 from create_dependency_caches to here.
5639 (get_dep_weak, ds_merge): Make global.
5640 * genattr.c (main): Code to output prototype for
5641 dfa_clear_single_insn_cache.
5642 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5643 (output_dfa_clean_insn_cache_func): Code to output
5644 dfa_clear_single_insn_cache function.
5645 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5646 n_insns.
5647 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5648 Removed.
5649 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5650 New static variables.
5651 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5652 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5653 struct sched_info.
5654 (ebb_sched_info): Initialize new fields.
5655 (get_block_head_tail): Adjust all uses.
5656 (compute_jump_reg_dependencies): Fixed to use glat_start.
5657 (schedule_ebb): Code to remove unreachable last block.
5658 (schedule_ebbs): Added code to update register live information.
5659 * sched-rgn.c (region_sched_info): Initialize new fields.
5660 (get_block_head_tail): Adjust all uses.
5661 (last_was_jump): Removed. Adjust users.
5662 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5663 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5664 Implement new hooks.
5665 (check_dead_notes1): New static function.
5666 (struct region): New fields: dont_calc_deps, has_real_ebb.
5667 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5668 (BB_TO_BLOCK): Fixed to handle EBBs.
5669 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5670 (ebb_head): New static variable.
5671 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5672 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5673 new fields.
5674 (compute_dom_prob_ps): New assertion.
5675 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5676 global_live_at_start.
5677 (init_ready_list): New assertions.
5678 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5679 (new_ready): Add support for BEGIN_CONTROL speculation.
5680 (schedule_insns): Fixed code that updates register live information
5681 to handle EBBs.
5682 (schedule_region): Fixed to handle EBBs.
5683 (init_regions): Use extend_regions and check_dead_notes1.
5684 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5685 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5686 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5687 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5688 TARGET_SCHED_GEN_CHECK,
5689 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5690 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5691 * doc/invoke.texi (max-sched-insn-conflict-delay,
5692 sched-spec-prob-cutoff): Document.
5693
5694 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5695
5696 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5697 inter_tick, queue_index.
5698 (struct sched_info): Change signature of init_ready_list field.
5699 Adjust all initializations.
5700 (RESOLVED_DEPS): New access macro.
5701 (ready_add): Remove prototype.
5702 (try_ready): Add prototype.
5703 * sched-rgn.c (init_ready_list): Use try_ready.
5704 (schedule_region): Initialize
5705 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5706 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5707 (init_ready_list): Use try_ready.
5708 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5709 * lists.c (remove_list_elem): Remove `static'.
5710 (remove_free_INSN_LIST_elem): New function.
5711 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5712 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5713 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5714 New constants.
5715 (readyp): New variable.
5716 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5717 change_queue_index, resolve_dep): New static functions.
5718 (try_ready): New function. Adjust callers in sched-rgn.c and
5719 sched-ebb.c to use it instead of ready_add.
5720 (clock_var): Move at the begining of file.
5721 (rank_for_schedule): Fix typo.
5722 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5723 (ready_lastpos): Enforce assertion.
5724 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5725 update all callers.
5726 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5727 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5728 (queue_to_ready): Use free_INSN_LIST_list.
5729 (early_queue_to_ready): Fix typo.
5730 (schedule_block): Init readyp. Move init_ready_list call after the
5731 initialization of clock_var. Fix error in rejecting insn by
5732 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5733 that previously corrected INSN_TICKs. Add code for handling
5734 QUEUE_INDEX.
5735 (set_priorities): Fix typo.
5736 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5737 Clarify comment and code that keeps current_sched_info->next_tail
5738 non-null.
5739
5740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5741
5742 * sched-rgn.c (extend_rgns): New static function.
5743 (find_rgns): Use it.
5744 (gather_region_statistics, print_region_statistics): New static
5745 functions.
5746 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5747 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5748
5749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5750 Andrey Belevantsev <abel@ispras.ru>
5751
5752 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5753 * lists.c (unused_deps_list): New variable.
5754 (free_list): Add assertions to verify the proper distinguishing
5755 between INSN_LISTs and DEPS_LISTs.
5756 (find_list_elem, remove_list_elem, remove_list_node): New static
5757 functions.
5758 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5759 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5760 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5761 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5762 an INSN_LIST.
5763 (free_INSN_LIST_node): Likewise.
5764 * modulo-sched.c (current_sched_info): Initialize flags field.
5765 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5766 * rtl.def (DEPS_LIST): Define.
5767 * rtl.h: Declare new functions from lists.c.
5768 * sched-deps.c (spec_dependency_cache): New static variable.
5769 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5770 (add_dependence): Change return type to void. Move the logic to ...
5771 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5772 (delete_all_dependences): Add comment about forward_dependency_cache.
5773 Handle spec_dependency_cache. Handle DEPS_LISTs.
5774 (fixup_sched_groups): Clarify the change of priority of output
5775 and anti dependencies.
5776 (sched_analyze_2): Adjust add_dependence calls to create data
5777 speculative dependence.
5778 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5779 Adjust all callers. Handle DEPS_LISTS.
5780 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5781 presence of speculation.
5782 (init_dependency_caches, free_dependency_caches):
5783 Handle spec_dependency_cache.
5784 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5785 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5786 New static functions.
5787 (add_or_update_back_dep, add_or_update_back_forw_dep,
5788 add_back_forw_dep, delete_back_forw_dep): New functions.
5789 * sched-int.h (ds_t, dw_t): New typedefs.
5790 (struct sched_info): Add new field flags.
5791 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5792 Prototype new sched-deps.c functions.
5793 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5794 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5795 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5796 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5797 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5798 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5799 New constants.
5800 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5801 New enums.
5802 * sched-rgn.c (current_sched_info): Initialize flags field.
5803 (schedule_insns): Initialize current_sched_info before the sched_init
5804 call.
5805 * sched-ebb.c (current_sched_info): Initialize flags field.
5806 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5807 Call add_or_update_back_dep instead of add_dependence.
5808 Create control speculative dependencies.
5809 (schedule_insns): Initialize current_sched_info before the sched_init
5810 call.
5811
5812 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5813
5814 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5815 fs->signal_frame.
5816 (sh_fallback_frame_state): Likewise.
5817
5818 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5819
5820 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5821 Do switch on default_use_cxa_atexit.
5822 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5823 * config/darwin-crt3.o: New.
5824 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5825 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5826 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5827 OS version.
5828 * config/rs6000/t-darwin: Move crt2.o building to here.
5829 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5830 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5831 of __cxa_atexit.
5832
5833 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5834
5835 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5836 from '! xxx' to '!xxx' for coding-style conformance.
5837 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5838 (EXTRA_CONSTRAINT): Likewise.
5839 * config/vax/vax.md (four unnamed insns): Likewise.
5840
5841 2006-03-15 Paul Brook <paul@codesourcery.com>
5842
5843 * config/arm/arm.c (minipool_pad): New.
5844 (add_minipool_forward_ref): Include pool alignment padding in address
5845 calculation.
5846 (push_minipool_fix): Set minipool_pad.
5847 (minipool_pad): Ditto.
5848
5849 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5850
5851 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5852 instead of GET_CODE() == MEM and REG_P() instead of
5853 GET_CODE() == REG.
5854 (print_operand_address): Likewise.
5855 (vax_address_cost): Likewise.
5856 (vax_rtx_costs): Likewise.
5857 (vax_notice_update_cc): Likewise.
5858 (vax_output_int_add): Likewise.
5859 (INDEX_REGISTER_P): Likewise.
5860 (BASE_REGISTER_P): Likewise.
5861 (nonindexed_address_p): Likewise.
5862 (vax_mode_dependent_address_p): Likewise.
5863 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5864 (PRINT_OPERAND): Likewise.
5865 * config/vax/vax.md (ashlsi3): Likewise.
5866 (ashlsi3): Likewise.
5867 (some more unnamed insns): Likewise.
5868
5869 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5870
5871 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5872 iterator-style macro.
5873 (mark_control_dependent_edges_necessary): Update the use of
5874 EXECUTE_IF_CONTROL_DEPENDENT.
5875
5876 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5877
5878 * config/sh/predicates.md (cache_address_operand): Special.
5879 (ua_address_operand): Likewise.
5880
5881 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5882
5883 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5884 loop notes.
5885 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5886
5887 2006-03-15 Andreas Schwab <schwab@suse.de>
5888
5889 * gensupport.c (identify_predicable_attribute): Don't free p_false
5890 when it is still in use.
5891
5892 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5893
5894 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5895 the default setting here.
5896
5897 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5898
5899 * tree-pass.h (pass_cfg): Remove.
5900 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5901 * passes.c (pass_cfg): Don't run it.
5902
5903 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5904
5905 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5906 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5907 VEC(char,heap) *.
5908 (stack_regs_mentioned): Update the uses of
5909 stack_regs_mentioned_data. Don't access the array beyond its
5910 end.
5911 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5912 Don't include gt-reg-stack.h.
5913
5914 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5915 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5916
5917 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5918
5919 PR middle-end/26684
5920 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5921 STACK_REGS.
5922
5923 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5924
5925 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5926
5927 2006-03-14 Richard Guenther <rguenther@suse.de>
5928
5929 PR tree-optimization/26672
5930 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5931 SSA form.
5932
5933 2006-03-14 Richard Guenther <rguenther@suse.de>
5934
5935 PR tree-optimization/26667
5936 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5937 node for the callees. Always allow inlining if it will shrink
5938 the function size.
5939
5940 2006-03-14 Richard Guenther <rguenther@suse.de>
5941
5942 PR middle-end/26659
5943 * builtins.c (get_pointer_alignment): Prefer alignment
5944 information from decls over that from types.
5945
5946 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5947
5948 PR target/26657
5949 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5950
5951 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5952
5953 * config/rs6000/rs6000.opt (mdlmzb): New option.
5954 (msched-prolog, msched-epilog): Use Var not Mask.
5955 * doc/invoke.texi (-mdlmzb): Document.
5956 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5957 MASK_SCHED_PROLOG.
5958 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5959 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5960
5961 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5962
5963 PR rtl-optimization/25739
5964 * bt-load.c (augment_live_range): Free tos pointer.
5965
5966 * gensupport.c (identify_predicable_attribute): Free
5967 p_false pointer.
5968 * gcov.c (create_file_names): Free name pointer.
5969
5970 2006-03-13 Roger Sayle <roger@eyesopen.com>
5971
5972 PR middle-end/26557
5973 * stmt.c (emit_case_nodes): Handle the case where the index is a
5974 CONST_INT, where the comparison mode is specified by the index type.
5975
5976 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5977
5978 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5979 is defined.
5980
5981 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5982
5983 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5984 (*branch_fp_inverted): Likewise.
5985
5986 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5987
5988 PR middle-end/25989
5989 * omp-low.c (expand_omp_for_generic): Mark istart0
5990 and iend0 as addressable.
5991
5992 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5993
5994 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5995
5996 2006-03-13 Jeff Law <law@redhat.com>
5997
5998 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5999 virtual operands are interesting.
6000 (vrp_visit_stmt): Corresponding changes.
6001
6002 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6003
6004 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6005 of RETS.
6006 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6007 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6008 * config/bfin/crti.S: Use it instead of __PIC__.
6009 * config/bfin/crtn.S: Likewise.
6010
6011 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6012 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6013 not if flag_pic.
6014 Lose 'G' modifier for call operand.
6015 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6016 recognize 'G' modifier.
6017
6018 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6019
6020 PR middle-end/18859
6021 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6022 * stmt.c (expand_case): Likewise.
6023
6024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6025
6026 PR rtl-optimization/26254
6027 * loop-invariant.c (seq_insns_valid_p): New function.
6028 (move_invariant_reg): Only emit new code if it is valid.
6029
6030 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6031
6032 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6033 Removed.
6034 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6035 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6036 (commit_one_edge_insertion): Do not look for loop notes.
6037
6038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6039
6040 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6041 flag_test_coverage out of loop.
6042
6043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6044
6045 * final.c (shorten_branches): Remove outdated comment, and turn
6046 the if branch that guards it to continue.
6047
6048 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6049
6050 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6051 * cfgloop.h (struct loop): Remove unused fields.
6052
6053 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6054
6055 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6056 (-dL, -fdump-rtl-loop2): Update the dump file names
6057
6058 * doc/invoke.texi: Update dump file names.
6059
6060 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6061
6062 * predict.c (estimate_probability): Remove.
6063 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6064 * basic-block.h (estimate_probability): Remove prototype.
6065 * passes.c (finish_optimization_passes): Dump branch prediction or
6066 profiling heuristics to the .profile tree dump.
6067 (init_optimization_passes): Unqueue pass_branch_prob.
6068
6069 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6070
6071 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6072
6073 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6074 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6075
6076 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6077
6078 * function.h (frame_offset_overflow): Declare.
6079 * function.c (frame_offset_overflow): New function.
6080 (assign_stack_local_1): Call it to detect that the offset overflows.
6081 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6082
6083 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6084
6085 * config/sh/sh.c: Include alloc-pool.h.
6086 (label_ref_list_pool): New alloc pool.
6087 (label_ref_list_t): New type for lists of labels.
6088 (struct pool_node): Make wend a label_ref_list_t.
6089 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6090 references.
6091 (dump_table): Likewise.
6092 (sh_reorg): Set up the alloc pool before using add_constant and
6093 dump_table, and destroy it when finishing.
6094
6095 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6096
6097 * config/mips/mips.c: Remove redundant comment.
6098
6099 2006-03-10 Jason Merrill <jason@redhat.com>
6100
6101 PR c/26004
6102 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6103 the target was declared 'register'.
6104
6105 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6106
6107 * genpreds.c (write_insn_constraint_len): Change definition of
6108 insn_constraint_len to return size_t to match the declaration.
6109
6110 2006-03-10 DJ Delorie <dj@redhat.com>
6111
6112 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6113 start at zero.
6114 (m32c_expand_insv): Fix test for an AND mask.
6115
6116 2006-03-10 Richard Guenther <rguenther@suse.de>
6117
6118 PR middle-end/26565
6119 * builtins.c (get_pointer_alignment): Handle component
6120 references for field alignment.
6121
6122 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6123
6124 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6125 when building with libgloss.
6126 (sh*elf): Implement --without-fp option.
6127 (sh64-superh-linux*): Don't multilib.
6128
6129 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6130
6131 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6132
6133 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6134
6135 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6136 Set it when one of the replacement functions returned true.
6137 Return TODO_cleanup_cfg if cfgchanged is true.
6138 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6139
6140 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6141
6142 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6143 instead of gen_lowpart.
6144
6145 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6146
6147 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6148 interface.
6149 (mips_output_order_conditional_branch): Declare.
6150 * config/mips/mips.h (MIPS_BRANCH): New macro.
6151 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6152 for the comparison. Use gen_condjump.
6153 (mips_output_conditional_branch): Rework interface to take the
6154 asm templates for a direct branch and the inverse of a direct branch.
6155 (mips_output_order_conditional_branch): New function.
6156 (mips_builtin_branch_and_move): New function.
6157 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6158 branch condition. Use gen_single_cc as the condition for
6159 __builtin_mips_upper_* or __builtin_mips_lower_*.
6160 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6161 Use VOIDmode for the branch condition.
6162 * config/mips/predicates.md (order_operator): New predicate.
6163 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6164 (branch_fp): Rename to...
6165 (*branch_fp): ...this. Remove mode from comparison operator.
6166 Use new mips_output_conditional_branch interface.
6167 (branch_fp_inverted): Rename to...
6168 (*branch_fp_inverted): ...this and update as for *branch_fp.
6169 (*branch_zero<mode>): Rename to...
6170 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6171 Use mips_output_order_conditional_branch. Only accept ordered
6172 comparisons.
6173 (*branch_zero<mode>_inverted): Rename to...
6174 (*branch_order<mode>_inverted): ...this and update as for
6175 *branch_order<mode>.
6176 (*branch_equality<mode>): Accept zero as the second operand to
6177 the equality operator. Use the new mips_output_conditional_branch
6178 interface.
6179 (*branch_equality<mode>_inverted): Likewise.
6180 (condjump): New expander.
6181 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6182 operator.
6183 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6184 (bc1any2t, bc1any2f): Likewise.
6185 (single_cc): New expander.
6186 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6187
6188 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6189
6190 * doc/md.texi: Update documentation of MIPS constraints.
6191 * config/mips/constraints.md: New file.
6192 * config/mips/mips.md: Include it.
6193 * config/mips/mips.c (mips_char_to_class): Delete.
6194 (override_options): Don't initialize mips_char_to_class.
6195 * config/mips/mips.h (mips_char_to_class): Delete.
6196 (REG_CLASS_FROM_LETTER): Delete.
6197 (CONST_OK_FOR_LETTER_P): Delete.
6198 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6199 (EXTRA_CONSTRAINT_Y): Delete.
6200 (EXTRA_CONSTRAINT_STR): Delete.
6201 (CONSTRAINT_LEN): Delete.
6202 (EXTRA_MEMORY_CONSTRAINT): Delete.
6203
6204 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6205
6206 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6207 original fn's eh regions.
6208
6209 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6210
6211 * fold-const.c (build_range_check): Make sure to use a valid type to
6212 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6213 transformation.
6214
6215 (range_predecessor): New static function.
6216 (range_successor): Likewise.
6217 (merge_ranges): Use them to compute predecessors and successors of
6218 range bounds.
6219
6220 2006-03-09 Roger Sayle <roger@eyesopen.com>
6221
6222 PR middle-end/26561
6223 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6224 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6225
6226 2006-03-08 DJ Delorie <dj@redhat.com>
6227
6228 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6229 (addpsi3): Expand to include memory operands. Remove
6230 reload-specific splits.
6231 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6232 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6233 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6234 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6235 (shift1_qi, shift1_hi, insv): New.
6236 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6237 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6238 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6239 cond_to_int): New.
6240 * config/m32c/m32c-protos.h: Update as needed.
6241 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6242 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6243 Fail for unrecognized R* constraints.
6244 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6245 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6246 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6247 Add Sp constraint.
6248 (m32c_init_libfuncs): New.
6249 (m32c_legitimate_address_p): Add debug wrapper.
6250 (m32c_rtx_costs): New.
6251 (m32c_address_cost): New.
6252 (conversions): Add 'B' prefix.
6253 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6254 operands, or word regnames for QI operands. 'B' prints bit
6255 position.
6256 (m32c_expand_setmemhi): New.
6257 (m32c_expand_movmemhi): New.
6258 (m32c_expand_movstr): New.
6259 (m32c_expand_cmpstr): New.
6260 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6261 (m32c_expand_neg_mulpsi3): Handle non-ints.
6262 (m32c_cmp_flg_0): New.
6263 (m32c_expand_movcc): New.
6264 (m32c_expand_insv): New.
6265 (m32c_scc_pattern): New.
6266 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6267 a0/a1 out of SIregs.
6268 (STORE_FLAG_VALUE): New.
6269 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6270 code macros.
6271 (no_insn): New.
6272 * config/m32c/mov.md: Make constraints more liberal.
6273 (zero_extendqihi2): Optimize r0/r1 case.
6274 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6275 * config/m32c/predicates.md (m32c_any_operand): New.
6276 (m32c_nonimmediate_operand): New.
6277 (m32c_hl_operand): New.
6278 (m32c_r3_operand): New.
6279 (ap_operand): New.
6280 (ma_operand): New.
6281 (memsym_operand): New.
6282 (memimmed_operand): New.
6283 (a_qi_operand): New.
6284 (m32c_eqne_operator): New.
6285 (m32c_1bit8_operand): New.
6286 (m32c_1bit16_operand): New.
6287 (m32c_1mask8_operand): New.
6288 (m32c_1mask16_operand): New.
6289 * config/m32c/blkmov.md: New file.
6290 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6291
6292 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6293
6294 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6295 unsigned to fix signed/unsigned comparison issue in
6296 DWARF2_FRAME_REG_OUT.
6297 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6298 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6299
6300 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6301 of ptr into the ENABLE_CHECKING section.
6302
6303 2006-03-08 Jeff Law <law@redhat.com>
6304
6305 * tree-vrp.c (infer_value_range): Only count pointer uses
6306 and dereferences if -fdelete-null-pointer-checks is enabled.
6307
6308 * tree-vrp.c (find_assert_locations): Infer value ranges for
6309 single use pointers, but do not create ASSERT_EXPRs for them.
6310 When a non-null range is inferred for a pointer, backwards
6311 propagate that range to other equivalent pointers through the
6312 use-def chain.
6313
6314 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6315
6316 PR bootstrap/26500
6317 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6318 language hook targets.
6319 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6320 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6321 if language hook targets were missing.
6322
6323 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6324
6325 * tree-ssa-opfinalize.h: Removed.
6326 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6327 dependency.
6328 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6329 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6330 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6331 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6332 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6333 finalize_ssa_v_must_def_ops): New.
6334
6335 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6336
6337 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6338 block as parameter.
6339
6340 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6341
6342 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6343
6344 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6345 addresses with offsets; reorganize.
6346
6347 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6348 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6349 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6350
6351 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6352
6353 PR target/26588
6354 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6355
6356 2006-03-08 Ben Elliston <bje@au.ibm.com>
6357
6358 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6359
6360 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6361
6362 PR gomp/26238
6363 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6364 expansion.
6365
6366 2006-03-07 Richard Guenther <rguenther@suse.de>
6367
6368 PR tree-optimization/26587
6369 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6370
6371 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6372
6373 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6374
6375 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6376
6377 * hooks.c (hook_bool_mode_rtx_true): New function.
6378 * hooks.h (hook_bool_mode_rtx_true): Declare.
6379 * toplev.c (compile_file): Call output_shared_constant_pool.
6380 * varasm.c (shared_constant_pool): New variable.
6381 (assemble_start_function, assemble_end_function): Remove arguments
6382 from call to output_constant_pool.
6383 (create_constant_pool): New function, split out from...
6384 (init_varasm_status): ...here.
6385 (force_const_mem): Choose between the shared and per-function constant
6386 pools. Set current_function_uses_const_pool when reusing old entries
6387 as well as when creating new ones.
6388 (mark_constant): Ignore data argument.
6389 (mark_constants): Remove pool argument.
6390 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6391 to decide whether the function uses a constant pool.
6392 (output_constant_pool_contents): New function, split out from...
6393 (output_constant_pool): ...here.
6394 (output_shared_constant_pool): New function.
6395 (init_varasm_once): Initialize shared_constant_pool.
6396 * output.h (output_constant_pool): Delete.
6397 (output_shared_constant_pool): Declare.
6398 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6399 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6400
6401 2006-03-06 Nick Clifton <nickc@redhat.com>
6402
6403 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6404 flag_strength_reduce.
6405
6406 2006-03-06 Ben Elliston <bje@au.ibm.com>
6407
6408 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6409 x86_64-*-linux* configurations.
6410
6411 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6412 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6413
6414 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6415
6416 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6417 Remove.
6418 * basic-block.h: Remove the extern for
6419 rediscover_loops_after_threading.
6420
6421 * cfgloop.c (cancel_loop): Make it static.
6422 * cfgloop.h: Remove the prototype for cancel_loop.
6423
6424 * flow.c (recompute_reg_usage): Make it static.
6425 * rtl.h: Remove the prototype for recompute_reg_usage.
6426
6427 * function.c (use_return_register): Make it static.
6428 * function.h: Remove the prototype.
6429
6430 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6431
6432 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6433 Remove.
6434 * recog.h: Remove the prototype for
6435 validate_change_maybe_volatile.
6436
6437 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6438
6439 * rtlanal.c (replace_reg): Remove.
6440 * rtl.h: Remove the prototype for replace_reg.
6441
6442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6443
6444 * regclass.c (reg_scan_update): Remove.
6445 (reg_scan_mark_refs): Remove the last argument.
6446 * rtl.h: Remove the prototype for reg_scan_update.
6447
6448 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6449
6450 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6451 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6452 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6453 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6454 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6455 loop-invariant.c, omp-low.c, opts.c, passes.c,
6456 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6457 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6458 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6459 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6460 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6461 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6462
6463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6464
6465 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6466 * dwarf2out.h: Remove the prototype for
6467 dwarf2out_add_library_unit_info.
6468
6469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6470
6471 * tree.c (add_var_to_bind_expr): Remove.
6472 * tree.h: Remove the prototype for add_var_to_bind_expr.
6473
6474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6475
6476 * regclass.c (n_non_fixed_regs): Remove.
6477 (init_reg_sets_1, globalize_reg): Remove all uses of
6478 n_non_fixed_regs.
6479 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6480
6481 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6482
6483 * rtlanal.c (insns_safe_to_move_p): Remove.
6484 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6485
6486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6487
6488 * expmed.c (expand_mult_add): Remove.
6489 * expr.h: Remove the prototype for expand_mult_add.
6490
6491 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6492
6493 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6494 and REG_SAVED_VAL_EXP constants.
6495 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6496 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6497 Handle regs stored by value.
6498 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6499 (execute_cfa_program): Handle DW_CFA_val_offset,
6500 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6501 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6502 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6503 (uw_install_context_1): Handle target regs stored by value.
6504
6505 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6506
6507 * tree-sra.c (tree_sra): Return todoflags;
6508 (generate_one_element): Set TODO_update_smt_usage if needed.
6509 (pass_sra): Remove TODO_update_smt_usage.
6510 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6511 parameter.
6512 (tree_ssa_forward_propagate_single_use_vars): Return
6513 TODO_update_smt_usage if we need to update SMT usage.
6514 (pass_forwprop): Remove TODO_update_smt_usage.
6515
6516 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6517
6518 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6519 (correct_use_link): Remove reference to get_stmt_operands.
6520 (update_stmt_operands): Likewise.
6521 (get_modify_expr_operands): New function factored out of
6522 parse_ssa_operands and get_expr_operands.
6523 Try to create V_MUST_DEFs for LHS by default.
6524 (get_expr_operands) <case MODIFY_EXPR>: Call
6525 get_modify_expr_operands.
6526 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6527 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6528 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6529 get_modify_expr_operands.
6530
6531 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6532
6533 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6534 * tree-flow.h: Remove the prototype for
6535 referenced_var_lookup_if_exists.
6536
6537 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6538
6539 PR rtl-optimization/26345
6540 PR target/19061
6541 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6542
6543 2006-03-03 Roger Sayle <roger@eyesopen.com>
6544
6545 PR tree-optimization/26524
6546 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6547 fold_convert to create a constant of the appropriate type.
6548
6549 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6550
6551 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6552 SYMBOL_REF_IN_BLOCK_P.
6553 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6554 of SYMBOL_FLAG_IN_BLOCK.
6555 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6556 instead of SYMBOL_REF_IN_BLOCK_P.
6557 * explow.c (use_anchored_address): Likewise.
6558 * rtl.c (rtx_size): Likewise.
6559 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6560 instead of SYMBOL_FLAG_IN_BLOCK.
6561 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6562 SYMBOL_REF_IN_BLOCK_P.
6563 (assemble_variable): Likewise.
6564 (output_constant_def_contents): Likewise.
6565 (output_constant_pool): Likewise.
6566 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6567 instead of SYMBOL_FLAG_IN_BLOCK.
6568 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6569 SYMBOL_REF_IN_BLOCK_P.
6570 (SYMBOL_REF_BLOCK): Likewise.
6571 (SYMBOL_REF_OFFSET): Likewise.
6572 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6573 SYMBOL_REF_IN_BLOCK_P.
6574 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6575 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6576 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6577 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6578
6579 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6580
6581 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6582
6583 2006-03-02 Roger Sayle <roger@eyesopen.com>
6584
6585 * simplify-rtx.c (simplify_unary_operation): When simplifying
6586 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6587 that we perform the right shift in the appropriate mode, and
6588 then extend or truncate the result to requested mode.
6589
6590 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6591
6592 * gengtype.c (main): Handle double_int type.
6593 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6594 * double-int.c: New file.
6595 * double-int.h: New file.
6596 * system.h: Include doubleint.h.
6597 * Makefile.in (SYSTEM_H): Include double-int.h.
6598 (double-int.o): Add.
6599
6600 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6601
6602 PR bootstrap/26478
6603 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6604 copying over it.
6605
6606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6607
6608 * tree-vrp.c (remove_range_assertions): Do not update statements
6609 unnecessarily.
6610
6611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6612
6613 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6614 cleanup.
6615 * gcse.c (rest_of_handle_gcse): Ditto.
6616 * except.c (gate_handle_eh): Ditto.
6617 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6618 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6619
6620 2006-03-02 Eric Christopher <echristo@apple.com>
6621
6622 * config/i386/i386.c (machopic_output_stub): Add indirection to
6623 jump.
6624
6625 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6626
6627 * loop.c: Removed.
6628
6629 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6630
6631 Sun Niagara specific optimizations.
6632 * config.gcc: Recognize niagara as target.
6633 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6634 (TARGET_CPU_niagara): Define.
6635 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6636 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6637 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6638 (ASM_CPU_SPEC): Likewise.
6639 (PROCESSOR_NIAGARA): New enum entry.
6640 (REGISTER_MOVE_COST): Handle Niagara.
6641 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6642 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6643 (sparc_override_options): Recognize "niagara", set appropriate
6644 default MASK_* values for it, and align functions to 32-bytes
6645 by default just like ULTRASPARC/ULTRASPARC3.
6646 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6647 (sparc64_initialize_trampoline): Likewise.
6648 (sparc_use_sched_lookahead): Use zero for niagara.
6649 (sparc_issue_rate): Use one for niagara.
6650 * config/sparc/niagara.md: New file.
6651 * config/sparc/sparc.md: Include it.
6652 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6653 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6654 when default cpu is niagara.
6655 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6656 (ASM_CPU_SPEC): Likewise.
6657 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6658 when default cpu is niagara.
6659 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6660 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6661 just like v9/ultrasparc/ultrasparc3.
6662 * doc/invoke.texi: Add documentation for "niagara" and improve
6663 existing documentation for ultrasparc variants.
6664
6665 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6666
6667 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6668
6669 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6670
6671 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6672 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6673 and say that only one is needed.
6674 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6675 * target.h (have_switchable_bss_sections): New hook.
6676 * explow.c (use_anchored_address): Check that the symbol is in a block.
6677 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6678 (bss_noswitch_section): New variables.
6679 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6680 (get_noswitch_section): New function.
6681 (get_block_for_section): Allow SECT to be null.
6682 (unlikely_text_section_p): Use SECTION_STYLE.
6683 (bss_initializer_p): New function.
6684 (get_variable_section): Move earlier in file. Take a new argument,
6685 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6686 Return one of the new *_sections in such cases.
6687 (get_block_for_decl): New function, extracting some logic from
6688 use_blocks_for_decl_p.
6689 (change_symbol_section): Remove in favor of...
6690 (change_symbol_block): ...this new function.
6691 (use_blocks_for_decl_p): Remove checks now performed by
6692 get_block_for_decl.
6693 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6694 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6695 (emit_local, emit_bss, emit_common): ...these new functions.
6696 Return true if the alignment was honored.
6697 (emit_tls_common): New function.
6698 (asm_emit_uninitialised): Delete.
6699 (assemble_variable_noswitch): New function, split out from...
6700 (assemble_variable): ...here. Don't make decisions about common
6701 variables here. Globalize all public decls that go into non-common
6702 sections. Check whether SYMBOL_REF_BLOCK is null.
6703 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6704 (output_constant_pool): Likewise.
6705 (init_varasm_once): Initialize the new section variables.
6706 (have_global_bss_p): New function.
6707 (categorize_decl_for_section): Use bss_initializer_p.
6708 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6709 (place_block_symbol): Assert that the symbol must be in a block.
6710 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6711 (TARGET_INITIALIZER): Include it.
6712 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6713 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6714 (SECTION_MACH_DEP): Bump by two.
6715 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6716 (unnamed_section): Mention SECTION_UNNAMED in comment.
6717 (named_section): Likewise SECTION_NAMED.
6718 (noswitch_section_callback): New type.
6719 (noswitch_section): New structure.
6720 (section): Add a noswitch_section alternative.
6721 (SECTION_STYLE): New macro.
6722 (tls_comm_section, comm_section, lcomm_section): Declare.
6723 (bss_noswitch_section, have_global_bss_p): Declare.
6724 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6725 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6726 Override.
6727 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6728 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6729 Override.
6730
6731 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6732
6733 * tree-vrp.c (execute_vrp): Return value.
6734 * regrename.c (rest_of_handle_regrename): Ditto.
6735 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6736 * tree-complex.c (tree_lower_complex): Ditto.
6737 (tree_lower_complex_O0): Ditto.
6738 * tracer.c (rest_of_handle_tracer): Ditto.
6739 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6740 * postreload.c (rest_of_handle_postreload): Ditto.
6741 * tree-tailcall.c (execute_tail_recursion): Ditto.
6742 (execute_tail_calls): Ditto.
6743 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6744 * tree.h (init_function_for_compilation): Ditto.
6745 * ipa-cp.c (ipcp_driver): Ditto.
6746 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6747 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6748 * final.c (compute_alignments): Ditto.
6749 (rest_of_handle_final): Ditto.
6750 (rest_of_handle_shorten_branches): Ditto.
6751 (rest_of_clean_state): Ditto.
6752 * omp-low.c (execute_expand_omp): Ditto.
6753 (execute_lower_omp): Ditto.
6754 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6755 * ipa-reference.c (static_execute): Ditto.
6756 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6757 * reorg.c (rest_of_handle_delay_slots): Ditto.
6758 (rest_of_handle_machine_reorg): Ditto.
6759 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6760 * flow.c (recompute_reg_usage): Ditto.
6761 (rest_of_handle_remove_death_notes): Ditto.
6762 (rest_of_handle_life): Ditto.
6763 (rest_of_handle_flow2): Ditto.
6764 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6765 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6766 (do_ssa_store_ccp): Ditto.
6767 (execute_fold_all_builtins): Ditto.
6768 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6769 * modulo-sched.c (rest_of_handle_sms): Ditto.
6770 * ipa-pure-const.c (static_execute): Ditto.
6771 * cse.c (rest_of_handle_cse): Ditto.
6772 (rest_of_handle_cse2): Ditto.
6773 * web.c (rest_of_handle_web): Ditto.
6774 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6775 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6776 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6777 * tree-nrv.c (tree_nrv): Ditto.
6778 (execute_return_slot_opt): Ditto.
6779 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6780 (create_structure_vars): Ditto.
6781 * loop-init.c (rtl_loop_init): Ditto.
6782 (rtl_loop_done): Ditto.
6783 (rtl_move_loop_invariants): Ditto.
6784 (rtl_unswitch): Ditto.
6785 (rtl_unroll_and_peel_loops): Ditto.
6786 (rtl_doloop): Ditto.
6787 * gimple-low.c (lower_function_body): Ditto.
6788 (mark_used_blocks): Ditto.
6789 * tree-ssa-sink.c (execute_sink_code): Ditto.
6790 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6791 (cgraph_early_inlining): Ditto.
6792 * global.c (rest_of_handle_global_alloc): Ditto.
6793 * jump.c (cleanup_barriers): Ditto.
6794 (purge_line_number_notes): Ditto.
6795 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6796 (rest_of_handle_if_after_reload): Ditto.
6797 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6798 (tree_ssa_loop_im): Ditto.
6799 (tree_ssa_loop_unswitch): Ditto.
6800 (tree_vectorize): Ditto.
6801 (tree_linear_transform): Ditto.
6802 (tree_ssa_loop_ivcanon): Ditto.
6803 (tree_ssa_empty_loop): Ditto.
6804 (tree_ssa_loop_bounds): Ditto.
6805 (tree_complete_unroll): Ditto.
6806 (tree_ssa_loop_prefetch): Ditto.
6807 (tree_ssa_loop_ivopts): Ditto.
6808 (tree_ssa_loop_done): Ditto.
6809 * predict.c (tree_estimate_probability): Ditto.
6810 * recog.c (split_all_insns_noflow): Ditto.
6811 (rest_of_handle_peephole2): Ditto.
6812 (rest_of_handle_split_all_insns): Ditto.
6813 * tree-eh.c (lower_eh_constructs): Ditto.
6814 * regmove.c (rest_of_handle_regmove): Ditto.
6815 (rest_of_handle_stack_adjustments): Ditto.
6816 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6817 * function.c (instantiate_virtual_regs): Ditto.
6818 (init_function_for_compilation): Ditto.
6819 (rest_of_handle_check_leaf_regs): Ditto.
6820 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6821 (rest_of_handle_gcse): Ditto.
6822 * ipa-type-escape.c (type_escape_execute): Ditto.
6823 * alias.c (rest_of_handle_cfg): Ditto.
6824 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6825 * profile.c (rest_of_handle_branch_prob): Ditto.
6826 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6827 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6828 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6829 * tree-dfa.c (find_referenced_vars): Ditto.
6830 * except.c (set_nothrow_function_flags): Ditto.
6831 (convert_to_eh_region_ranges): Ditto.
6832 (rest_of_handle_eh): Ditto.
6833 * emit-rtl.c (unshare_all_rtl): Ditto.
6834 (remove_unnecessary_notes): Ditto.
6835 * except.h (set_nothrow_function_flags): Ditto.
6836 (convert_to_eh_region_ranges): Ditto.
6837 * cfgexpand.c (tree_expand_cfg): Ditto.
6838 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6839 * tree-ssa-pre.c (do_pre): Ditto.
6840 (execute_fre): Ditto.
6841 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6842 (rest_of_handle_jump2): Ditto.
6843 * tree-sra.c (tree_sra): Ditto.
6844 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6845 (execute_mudflap_function_decls): Ditto.
6846 * tree-ssa-copy.c (do_copy_prop): Ditto.
6847 (do_store_copy_prop): Ditto.
6848 * ipa-prop.h (ipcp_driver): Ditto.
6849 * cfglayout.c (insn_locators_initialize): Ditto.
6850 * tree-ssa-forwprop.c
6851 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6852 * cfglayout.h (insn_locators_initialize): Ditto.
6853 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6854 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6855 (execute_late_warn_uninitialized): Ditto.
6856 * rtl.h (cleanup_barriers): Ditto.
6857 (split_all_insns_noflow): Ditto.
6858 (purge_line_number_notes): Ditto.
6859 (unshare_all_rtl): Ditto.
6860 (remove_unnecessary_notes): Ditto.
6861 (recompute_reg_usage): Ditto.
6862 (variable_tracking_main): Ditto.
6863 * integrate.c (emit_initial_value_sets): Ditto.
6864 * integrate.h (emit_initial_value_sets): Ditto.
6865 * tree-optimize.c (execute_free_datastructures): Ditto
6866 (execute_free_cfg_annotations): Ditto.
6867 (execute_fixup_cfg): Ditto.
6868 (execute_cleanup_cfg_pre_ipa): Ditto.
6869 (execute_cleanup_cfg_post_optimizing): Ditto.
6870 (execute_init_datastructures): Ditto.
6871 * tree-object-size.c (compute_object_sizes): Ditto.
6872 * combine.c (rest_of_handle_combine): Ditto.
6873 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6874 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6875 (rest_of_handle_reorder_blocks): Ditto.
6876 (rest_of_handle_partition_blocks): Ditto.
6877 * var-tracking.c (variable_tracking_main): Ditto.
6878 * tree-profile.c (tree_profiling): Ditto.
6879 * tree-vect-generic.c (expand_vector_operations): Ditto.
6880 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6881 * sched-rgn.c (rest_of_handle_sched): Ditto.
6882 (rest_of_handle_sched2): Ditto.
6883 * basic-block.h (free_bb_insn): Ditto.
6884 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6885 * tree-cfg.c (execute_build_cfg): Ditto.
6886 (remove_useless_stmts): Ditto.
6887 (split_critical_edges): Ditto.
6888 (execute_warn_function_return): Ditto.
6889 (execute_warn_function_noreturn): Ditto.
6890 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6891 * cfgrtl.c (free_bb_for_insn): Ditto.
6892 * passes.c (execute_one_pass): Run additional
6893 todos returned by execute function.
6894 * tree-pass.h (struct tree_opt_pass): Make execute
6895 return a value.
6896
6897 2006-03-02 Richard Guenther <rguenther@suse.de>
6898
6899 * tree-ssa-alias.c (find_used_portions): Consider taking
6900 the address as making the variable not write-only.
6901
6902 2006-03-02 Nick Clifton <nickc@redhat.com>
6903
6904 * config.gcc (default_use_cxa_atexit): Extend the description of
6905 this configure variable. Set its default value to "yes" for
6906 Linux, NetBSD and ELF targets on the assumption that they will
6907 use C libraries with the __cxa_atexit function.
6908
6909 2006-03-02 Ben Elliston <bje@au.ibm.com>
6910
6911 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6912 parameter as unused to suppress a build warning.
6913
6914 2006-03-02 Ben Elliston <bje@au.ibm.com>
6915
6916 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6917 config/dfp-bit.c.
6918
6919 2006-03-01 Roger Sayle <roger@eyesopen.com>
6920
6921 PR other/26489
6922 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6923 declared name, the weak reference name, and the typeof name.
6924 (__gthrw): Avoid expanding the declared name suffix.
6925 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6926
6927 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6928
6929 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6930 from DWARF 3.
6931 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6932 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6933 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6934 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6935 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6936 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6937 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6938 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6939 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6940 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6941 (DW_END_default, DW_END_big, DW_END_little): New.
6942 (DW_END_lo_user, DW_END_hi_user): Define.
6943 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6944 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6945 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6946 DW_LANG_D): New.
6947
6948 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6949
6950 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6951 Update all users.
6952 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6953 Update all users.
6954 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6955 Update all users.
6956 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6957 Update all users.
6958 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6959 to 'symbol_mem_tag'.
6960 Update all users.
6961 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6962 rename.
6963
6964 2006-03-01 Roger Sayle <roger@eyesopen.com>
6965
6966 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6967
6968 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6969
6970 PR target/25761
6971 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6972 MACHO_DYNAMIC_NO_PIC_P.
6973 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6974
6975 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6976
6977 PR target/26389
6978 * config/darwin-protos.h (darwin_asm_output_anchor):
6979 Declare.
6980 * config/darwin-sections.def (cstring_section):
6981 Add SECTION_MERGE to the flags.
6982 (literal4_section): Likewise.
6983 (literal8_section): Likewise.
6984 (objc_selector_refs_section): Likewise.
6985 (objc_cls_refs_section): Likewise.
6986 * config/darwin.c (darwin_asm_output_anchor): New
6987 function.
6988 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6989
6990 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6991
6992 Fix PR tree-optimization/26443
6993 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6994 to todo and PROP_tmt_usage to properties_destroyed.
6995 * tree-ssa-ccp.c (pass_ccp): Ditto.
6996 (pass_store_ccp): Ditto.
6997 * tree-ssa-dom.c (pass_dominator): Ditto.
6998
6999 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7000
7001 * tree-ssa-operands.c: Cleanup whitespace.
7002 (get_asm_expr_operands): Move before first invocation.
7003 (get_indirect_ref_operands): Likewise.
7004 (get_tmr_operands): Likewise.
7005 (get_call_expr_operands): Likewise.
7006 (append_def): Likewise.
7007 (append_use): Likewise.
7008 (append_v_may_def): Likewise.
7009 (append_v_must_def): Likewise.
7010 (add_call_clobber_ops): Likewise.
7011 (add_call_read_ops): Likewise.
7012 (add_stmt_operand): Likewise.
7013 (add_virtual_operand): Likewise.
7014 (build_ssa_operands): Likewise.
7015
7016 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7017
7018 PR middle-end/26022
7019 Revert:
7020 PR middle-end/24437
7021 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7022 with a call expr to ...
7023 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7024
7025 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7026
7027 * tree-vrp.c (extract_range_from_assert): Remove special
7028 handling for types with super-types.
7029
7030 2006-03-01 Ben Elliston <bje@au.ibm.com>
7031
7032 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7033 and powerpc64-*-linux* configurations.
7034 * config/t-dfprules: New file.
7035
7036 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7037 Compile dfp-bit.c from the source directory using -DWIDTH and
7038 $DFP_CFLAGS to control the compilation of that file, rather than
7039 generating width-specific versions in the build directory.
7040 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7041 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7042
7043 2006-02-28 Zack Weinberg <zackw@panix.com>
7044
7045 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7046 continues to work.
7047
7048 2006-02-28 Eric Christopher <echristo@apple.com>
7049
7050 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7051 Set up IN_LIBGCC definition of TARGET_64BIT.
7052 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7053
7054 2006-02-28 Roger Sayle <roger@eyesopen.com>
7055
7056 PR middle-end/14752
7057 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7058 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7059 cases via the construction of "expr != 0".
7060
7061 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7062
7063 * alias.c (alias_invariant, alias_invariant_size): Remove.
7064 (record_base_value): Remove.
7065 (memrefs_conflict_p): Don't look at alias_invariant.
7066 (end_alias_analysis): Don't free it.
7067 * alias.h (record_base_value): Remove prototype.
7068
7069 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7070 Adam Nemet <anemet@caviumnetworks.com>
7071
7072 * rtl.h (truncated_to_mode): Declare it.
7073 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7074 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7075 (RTL_HOOKS_INITIALIZER): Include it.
7076 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7077 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7078 reg_truncated_to_mode.
7079 * rtlanal.c (truncated_to_mode): Define it.
7080 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7081
7082 2006-02-28 Jeff Law <law@redhat.com>
7083
7084 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7085 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7086 the range allowed by TYPE_PRECISION.
7087
7088 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7089
7090 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7091
7092 PR tree-optimization/26419
7093 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7094 values of n.
7095
7096 2006-02-27 Zack Weinberg <zackw@panix.com>
7097
7098 * doc/md.texi: Fix typo in previous change.
7099
7100 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7101
7102 * df.c: Remove.
7103
7104 2006-02-27 Zack Weinberg <zackw@panix.com>
7105
7106 * rtl.def (define_constraint, define_register_constraint)
7107 (define_memory_constraint, define_address_constraint): New MD forms.
7108 * gensupport.c (process_rtx): Put define_constraint etc on the
7109 predicate queue.
7110 * genpreds.c (process_define_predicate): Adjust comment. Validate
7111 the name, and call validate_exp to validate the expression.
7112 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7113 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7114 all callers changed.
7115 (validate_exp, needs_variable, struct constraint_data)
7116 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7117 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7118 (const_dbl_constraints, constraint_max_namelen)
7119 (have_register_constraints, have_memory_constraints)
7120 (have_address_constraints, have_address_constraints)
7121 (have_extra_constraints, have_const_int_constraints)
7122 (have_const_dbl_constraints, mangle, add_constraint)
7123 (process_define_constraint, process_define_register_constraint)
7124 (write_enum_constraint_num, write_lookup_constraint)
7125 (write_insn_constraint_len, write_regclass_for_constraint)
7126 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7127 (write_insn_extra_memory_constraint)
7128 (write_insn_extra_address_constraint)
7129 (write_satisfies_constraint_fns): New.
7130 (write_tm_preds_h): If we have new-style constraint definitions,
7131 prototype the functions generated from them, and define the
7132 old constraint interface (still used by generic code) in terms of
7133 those functions.
7134 (write_insn_preds_c): If we have new-style constraint definitions,
7135 generate all relevant functions from those definitions.
7136 (main): Handle define_constraint etc.
7137 * genoutput.c (struct constraint_data, indep_constraints)
7138 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7139 (mdep_constraint_len): New data structures and functions, defined
7140 #ifdef USE_MD_CONSTRAINTS.
7141 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7142 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7143 use new logic to validate operand constraints against constraint
7144 definitions.
7145 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7146 defined.
7147 * defaults.h: If none of the old-style constraint macros are
7148 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7149 old-style macros; and poison REG_CLASS_FROM_LETTER,
7150 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7151 EXTRA_CONSTRAINT.
7152 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7153 * doc/md.texi: Document new constraint-definition mechanism and the
7154 C interface it provides. Remove references to old mechanism
7155 elsewhere in the document.
7156 (Machine Constraints): Use pathnames relative to gcc directory,
7157 i.e. config/ARCH/FILE. Change i386 section to refer to
7158 config/i386/predicates.md; update that section to match docstrings.
7159 * doc/tm.texi: Move all documentation of the old constraint-
7160 definition macros to their own section, clearly mark as obsolete.
7161
7162 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7163 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7164 definitions.
7165 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7166 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7167 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7168 constraint strings.
7169 (splits and peepholes): Use satisfies_constraint_*.
7170 * config/i386/i386.c (memory_address_length)
7171 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7172
7173 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7174
7175 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7176 scalar operation to be put back into the loop.
7177
7178 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7179
7180 PR other/26208
7181 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7182 (extract_cie_info): Handle S flag in augmentation string.
7183 (execute_cfa_program): If context->signal_frame, execute also
7184 fs->pc == context->ra instructions.
7185 (uw_frame_state_for): If context->signal_frame, don't subtract one
7186 from context->ra to find FDE.
7187 (uw_update_context_1): Set context->signal_frame to
7188 fs->signal_frame.
7189 (_Unwind_GetIPInfo): New function.
7190 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7191 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7192 of _Unwind_GetIP.
7193 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7194 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7195 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7196 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7197 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7198 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7199 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7200 x86_64_fallback_frame_state): Set fs->signal_frame.
7201 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7202 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7203 (frob_update_context): Likewise. Workaround missing S flag in
7204 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7205 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7206 Remove the psw_addr + 1 hack.
7207
7208 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7209
7210 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7211 with aggregates here.
7212 (find_func_aliases): Remove code for &<aggregate> from here.
7213
7214 2006-02-26 Roger Sayle <roger@eyesopen.com>
7215
7216 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7217 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7218 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7219 as (X & C) ne/eq 0.
7220
7221 2006-02-26 Roger Sayle <roger@eyesopen.com>
7222
7223 PR middle-end/19983
7224 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7225
7226 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7227
7228 * opts.c (decode_options): Do not handle flag_strength_reduce.
7229 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7230 and OPT_fstrength_reduce.
7231 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7232 flag_prefetch_loop_arrays for being nonzero.
7233 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7234 no-ops.
7235 (fprefetch-loop-arrays-rtl): Removed.
7236 (flag_prefetch_loop_arrays): Do not specify the value.
7237
7238 * doc/passes.texi: Update documentation of loop optimizer
7239 passes.
7240 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7241 -frerun-loop-opt): Remove.
7242
7243 2006-02-26 Richard Guenther <rguenther@suse.de>
7244
7245 PR tree-optimization/26421
7246 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7247 in function calls that are ADDR_EXPRs as using the whole structure.
7248
7249 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7250
7251 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7252 * tree-pass.h (pass_loop_optimize): Remove.
7253 * passes.c (pass_loop_optimize): Never run it.
7254 * toplev.c (backend_init): Don't call init_loop.
7255 * opts.c (flag_loop_optimize_set): Remove.
7256 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7257 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7258 the old RTL loop optimizer when profiling enabled.
7259 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7260 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7261 pre-headers for the sake of the old RTL loop optimizer.
7262 * Makefile.in: Remove all references to loop.o.
7263
7264 * doc/invoke.texi: Remove all references to -floop-optimize
7265 and -frerun-loop-opt.
7266
7267 2006-02-26 Zack Weinberg <zackw@panix.com>
7268
7269 * doc/md.texi (Machine Constraints): Refer to all files with paths
7270 relative to gcc directory (i.e. config/CPU/file). Add missing
7271 @table @code ... @end table to M32C subsection.
7272
7273 2006-02-26 Roger Sayle <roger@eyesopen.com>
7274
7275 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7276 (X & 1) == 0.
7277 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7278
7279 2006-02-26 Roger Sayle <roger@eyesopen.com>
7280 James A. Morrison <phython@gcc.gnu.org>
7281
7282 PR middle-end/21137
7283 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7284 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7285 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7286 signedness of the shift operation.
7287
7288 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7289
7290 PR tree-optimization/26359
7291 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7292
7293 2006-02-25 Roger Sayle <roger@eyesopen.com>
7294
7295 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7296 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7297 as X == 0, and some symmetry related transformations.
7298 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7299
7300 2006-02-25 Roger Sayle <roger@eyesopen.com>
7301
7302 PR middle-end/23673
7303 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7304 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7305 symmetry related transformations. Fold (X^C1) == C2 as
7306 X == (C1^C2).
7307
7308 2006-02-25 Juergen Weigert <jw@suse.de>
7309 Richard Guenther <rguenther@suse.de>
7310
7311 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7312
7313 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7314
7315 * combine.c (gen_lowpart_or_truncate): Call
7316 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7317
7318 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7319
7320 * doc/invoke.texi: Move -fopenmp description to "Options for
7321 Code Generation".
7322 Remove reference to -lgomp.
7323
7324 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7325
7326 * doc/install.texi: Require GNU tar version 1.14.
7327
7328 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7329
7330 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7331 * doc/invoke.texi (C++ Dialect Options): Document
7332 -fno-use-cxa-get-exception-ptr.
7333 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7334 * configure: Regenerate.
7335 * c.opt (fuse-cxa-get-exception-ptr): New.
7336 * c-opts.c (c_common_handle_option): Handle
7337 OPT_fuse_cxa_get_exception_ptr.
7338 * c-common.c (flag_use_cxa_atexit): Update documentation.
7339 (flag_use_cxa_get_exception_ptr): New.
7340 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7341 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7342 documentation.
7343 (C_COMMON_OVERRIDE_OPTIONS): New.
7344
7345 2006-02-24 Roger Sayle <roger@eyesopen.com>
7346
7347 PR middle-end/24952
7348 * combine.c (try_combine): Explicitly check whether GET_CODE is
7349 a SET or a CLOBBER, instead on checking that it isn't a USE.
7350
7351 2006-02-24 Roger Sayle <roger@eyesopen.com>
7352
7353 * fold-const.c (fold_comparison): New subroutine of fold_binary
7354 containing transformations common to both the equality and
7355 ordering relational operators, factored out of fold_binary.
7356 (fold_binary): Separate out the equality operators (EQ_EXPR
7357 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7358 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7359 transformations common to both.
7360 (fold_div_compare): Fix latent bugs in the previously unreachable
7361 LT_EXPR and GE_EXPR cases.
7362
7363 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7364
7365 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7366 decl libname for clog to __clog on AIX.
7367
7368 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7369
7370 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7371
7372 PR target/26453
7373 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7374 output traceback table for thunks. Localise rs6000_stack_info call.
7375
7376 2006-02-23 Roger Sayle <roger@eyesopen.com>
7377 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7378
7379 * gthr-posix.h (__gthrw): Fix typo in comment.
7380
7381 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7382
7383 * doc/cpp.texi (Character sets): Document that we do support
7384 input files to be in any character set.
7385
7386 2006-02-23 Jeff Law <law@redhat.com>
7387
7388 * tree.h (PHI_ARG_NONZERO): Remove.
7389 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7390 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7391 node to the new node.
7392
7393 PR tree-optimization/26425
7394 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7395 min/max, then assume its varying.
7396
7397 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7398
7399 PR rtl-optimization/26316
7400 * rtlanal.c (enum may_trap_p_flags): New.
7401 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7402 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7403 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7404 (may_trap_after_code_motion_p): New function.
7405 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7406 (find_invariant_insn): Use may_trap_after_code_motion_p.
7407 * rtl.h (may_trap_after_code_motion_p): Declare.
7408
7409 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7410
7411 * emit-rtl.c (immed_double_const): Cleanup.
7412
7413 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7414
7415 Fix PR tree-optimization/26376
7416 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7417 remove assert.
7418
7419 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7420
7421 PR middle-end/26412
7422 * gimplify.c (omp_add_variable): Guard variable size decl test with
7423 DECL_SIZE (decl) check.
7424
7425 2006-02-23 Richard Guenther <rguenther@suse.de>
7426
7427 PR middle-end/26439
7428 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7429 like aggregate types.
7430
7431 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7432
7433 * configure.ac: Add --with{,out}-long-double-128 configure option.
7434 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7435 * configure: Rebuilt.
7436 * config.in: Rebuilt.
7437 * doc/install.texi (Options specification): Document
7438 --with-long-double-128.
7439
7440 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7441 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7442 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7443 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7444
7445 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7446
7447 * config/s390/s390.c (override_options): Handle
7448 TARGET_DEFAULT_LONG_DOUBLE_128.
7449
7450 * config/alpha/alpha.c (override_options): Handle
7451 TARGET_DEFAULT_LONG_DOUBLE_128.
7452
7453 * config/sparc/sparc.c (sparc_override_options): Handle
7454 TARGET_DEFAULT_LONG_DOUBLE_128.
7455
7456 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7457
7458 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7459 (real-install-headers-tar, real-install-headers-cpio)
7460 (real-install-headers-cp): New targets.
7461
7462 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7463
7464 * tree.h (variable_section): Delete.
7465 * varasm.c (variable_section): Delete.
7466
7467 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7468
7469 * install.texi: Add notes on install.texi2html.
7470 (Building in parallel): Do not use footnotes.
7471
7472 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7473
7474 PR libgomp/26234
7475 * doc/install.texi (Configuration): Document --disable-libgomp.
7476
7477 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7478
7479 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7480
7481 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7482
7483 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7484 (vec_extractv2df_0_sse): New.
7485
7486 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7487
7488 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7489 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7490 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7491 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7492 to the result of the expression.
7493 (def_cfa_1): Adjust.
7494 (frame_pointer_cfa_offset): Rename to...
7495 (frame_pointer_fb_offset): ... this. Adjust all uses.
7496 (convert_cfa_to_loc_list): Rename to...
7497 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7498 Pass it on to build_cfa_loc.
7499 (compute_frame_pointer_to_cfa_displacement): Rename to...
7500 (compute_frame_pointer_to_fb_displacement): ... this. New
7501 offset parameter. Use it in computation.
7502 (gen_subprogram_die): Compute cfa_fb_offset with the new
7503 macro, and use it to compute the fb loc list and the
7504 displacement.
7505
7506 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7507
7508 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7509 replaced with register_operand.
7510 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7511 non-DREG is expensive.
7512 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7513 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7514 involving memory.
7515
7516 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7517
7518 * doc/install.texi2html: Use set -e.
7519
7520 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7521
7522 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7523 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7524 * doc/invoke.texi (-fshared-data): Delete.
7525 * common.opt (fshared-data): Delete.
7526 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7527 (assemble_static_space): Remove #if 0 code.
7528 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7529 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7530 * config/cris/cris.h: Remove FIXME.
7531
7532 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7533
7534 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7535 hooks.
7536
7537 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7538
7539 PR middle-end/26379
7540 * combine.c (simplify_shift_const_1): Disable nested shifts
7541 optimization for vector shifts.
7542
7543 2006-02-20 Roger Sayle <roger@eyesopen.com>
7544
7545 PR tree-optimization/26361
7546 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7547 of unsigned integer types.
7548
7549 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7550
7551 * tree-chrec.c (eq_evolutions_p): New.
7552 * tree-chrec.h (eq_evolutions_p): Declared.
7553 * tree-data-ref.c: Fix formatting.
7554 (datadep_stats, dependence_stats): New.
7555 (gcd): Moved...
7556 (print_direction_vector): New.
7557 (dump_data_dependence_relation): Use print_direction_vector.
7558 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7559 (compute_subscript_distance): Static.
7560 (initialize_data_dependence_relation): Static. Get the number
7561 of loops surrounding the references from the callers, and initialize
7562 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7563 base_object_differ_p analyzers.
7564 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7565 compute_overlap_steps_for_affine_1_2,
7566 analyze_subscript_affine_affine): Count the classified dependences.
7567 Print a message when a test failed.
7568 (can_use_analyze_subscript_affine_affine): New.
7569 (analyze_siv_subscript): Compute the data dependences on symbolic
7570 scevs that verify can_use_analyze_subscript_affine_affine.
7571 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7572 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7573 Handle symbolic scevs.
7574 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7575 analyzed.
7576 (subscript_dependence_tester): Moved...
7577 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7578 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7579 DDR_SIZE_VECT instead of getting it in parameter.
7580 (subscript_dependence_tester): ... here. Take as a parameter
7581 loop_nest_depth. Call build_classic_dist_vector and
7582 build_classic_dir_vector.
7583 (compute_affine_dependence): Update subscript_dependence_tester
7584 parameters. Update datadep_stats counters. Call
7585 compute_subscript_distance.
7586 (compute_self_dependence): Save the dist and dir vectors. Call
7587 compute_subscript_distance.
7588 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7589 (compute_all_dependences): Reorder parameters as they were before
7590 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7591 compute_subscript_distance. Update the use of
7592 compute_affine_dependence and initialize_data_dependence_relation.
7593 (find_data_references_in_loop): Handle COMPONENT_REF.
7594 (compute_data_dependences_for_loop): Initialize dependence_stats.
7595 Don't call build_classic_dist_vector and build_classic_dir_vector.
7596 Update the parameters of initialize_data_dependence_relation and
7597 compute_all_dependences. Print the statistics from datadep_stats.
7598 (analyze_all_data_dependences): Static. Not used until the pass for
7599 checking the data dependences is contributed.
7600 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7601 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7602 (initialize_data_dependence_relation, compute_affine_dependence,
7603 analyze_all_data_dependences, compute_subscript_distance): Removed.
7604 (print_direction_vector): New.
7605 * lambda.h (gcd): ... here.
7606 (lambda_vector_gcd): Moved here from gcd_vector.
7607 * lambda-code.c (gcd, gcd_vector): Removed.
7608 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7609 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7610
7611 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7612
7613 * ipa-type-escape.c: Tidy some comments and white space.
7614 * tree-ssa-operands.c: Likewise.
7615
7616 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7617
7618 PR tree-opt/25879
7619 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7620 (dump_decl_name): Do not walk the decl tree chains.
7621 * tree-pass.h (TDF_CHAIN): Remove.
7622
7623 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7624
7625 * Makefile.in (C): Remove
7626 (PROTO): Remove
7627 (.PHONY): Remove C and PROTO
7628
7629 2006-02-20 Roger Sayle <roger@eyesopen.com>
7630
7631 PR middle-end/26236
7632 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7633 deprecated CHAR_TYPE tree code.
7634
7635 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7636
7637 * configure.ac (target_list): Add install-info, dvi, html.
7638 * configure: Regenerate.
7639
7640 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7641 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7642 treelang/Make-lang.in: Do not use double-colon rules.
7643
7644 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7645
7646 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7647 (TMT_USED_ALONE): New macro.
7648 * tree-pass.h (PROP_tmt_usage): New property.
7649 (TODO_update_tmt_usage): New todo.
7650 * tree-ssa-alias.c (updating_used_alone): New variable.
7651 (recalculate_used_alone): New function.
7652 (compute_may_aliases): Set updating_used_alone, call
7653 recalculate_used_alone.
7654 * tree-sra.c (pass_sra): Note that this pass destroys
7655 PROP_tmt_usage, and add TODO_update_tmt_usage.
7656 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7657 * tree-flow.h (updating_used_alone): Prototype.
7658 (recalculate_used_alone): Ditto.
7659 * passes.c (execute_todo): Add code to set updating_used_alone,
7660 and call recalculate.
7661 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7662 for clobber if used alone, and add assert to verify used_alone
7663 status.
7664
7665 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7666
7667 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7668 for non tls symbols added.
7669 (legitimize_address): Do nothing for PLUS expressions if one of the
7670 addends is a tls symbol reference.
7671
7672 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7673
7674 PR bootstrap/25476
7675
7676 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7677
7678 * Makefile.in (BOOTSTRAPPING): New.
7679 (quickstrap): New definition if BOOTSTRAPPING=yes.
7680
7681 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7682 * configure.ac: Substitute all_selected_languages with the languages
7683 that were configured. For all the other variables except
7684 lang_specs_files, include all the languages in the tree.
7685 * configure: Regenerate.
7686
7687 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7688 if there is one. Run the commands to run fixincludes in the same
7689 subshell.
7690
7691 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7692 * doc/install.texi: Document exact conventions for searching target tools.
7693 Document --with-build-time-tools. Document toplevel bootstrap. Document
7694 something more about building an Ada cross-compiler. Don't list GNU Make
7695 requirements which affect all platforms.
7696
7697 2006-02-19 Roger Sayle <roger@eyesopen.com>
7698
7699 PR middle-end/19543
7700 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7701 only equivalent if the have both the same mode and precision.
7702
7703 2006-02-20 Ben Elliston <bje@au.ibm.com>
7704
7705 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7706
7707 2006-02-19 Roger Sayle <roger@eyesopen.com>
7708 Steven Bosscher <stevenb.gcc@gmail.com>
7709
7710 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7711 constant pool references to identify stack mode constants.
7712 * rtlanal.c (constant_pool_constant_p): New predicate to check
7713 whether operand is a floating point constant in the pool.
7714 * rtl.h (constant_pool_constant_p): Prototype here.
7715 * loop.c (scan_loop): Avoid hoisting constants from the constant
7716 pool on STACK_REGS targets.
7717 (load_mems): Likewise.
7718 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7719 loads into x87 registers expensive in terms of register pressure.
7720
7721 2006-02-19 Roger Sayle <roger@eyesopen.com>
7722
7723 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7724 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7725
7726 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7727
7728 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7729 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7730
7731 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7732
7733 * doc/invoke.texi: Document -fipa-pta.
7734 * common.opt: Add ipa-pta option.
7735 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7736 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7737 (do_ds_constraint): Ditto.
7738 (get_constraint_for): Only add to referenced_vars if
7739 referenced_vars exists.
7740 (insert_into_field_list): Rewrite to do this unsorted.
7741 (insert_into_field_list_sorted): Rename old insert_into_field_list
7742 to this.
7743 (create_function_info_for): Use insert_into_field_list_sorted.
7744 (create_variable_info_for): Rewrite so it uses unsorted version,
7745 since the field list is sorted.
7746 (intra_create_variable_infos): Only add to referenced_vars if
7747 referenced_vars exists.
7748 (ipa_pta_execute): Init heapvars, and delete when done.
7749 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7750
7751 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7752
7753 * doc/install.texi: Add missing `@samp'.
7754
7755 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7756
7757 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7758 Use the arguments.
7759
7760 2006-02-18 Mark Wielaard <mark@klomp.org>
7761
7762 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7763 who added new 4.1 features, bug fixes and integration support.
7764
7765 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7766
7767 PR target/26350
7768 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7769 MEM for ABI_V4 pic.
7770
7771 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7772
7773 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7774 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7775 (copy_insn_1): Likewise. Don't copy each field individually.
7776 Reindent.
7777 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7778 of RTX_SIZE.
7779 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7780 * rtl.c (rtx_size): Rename variable to...
7781 (rtx_code_size): ...this.
7782 (rtx_size): New function.
7783 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7784 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7785 Reindent.
7786 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7787 * rtl.h (rtx_code_size): New variable.
7788 (rtx_size): Change from a variable to a function.
7789 (RTX_SIZE): Rename to...
7790 (RTX_CODE_SIZE): ...this.
7791
7792 PR target/9703
7793 PR tree-optimization/17106
7794 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7795 (Anchored Addresses): New section.
7796 * doc/invoke.texi (-fsection-anchors): Document.
7797 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7798 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7799 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7800 * hooks.c (hook_bool_mode_rtx_false): New function.
7801 * hooks.h (hook_bool_mode_rtx_false): Declare.
7802 * gengtype.c (create_optional_field): New function.
7803 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7804 SYMBOL_REF_IN_BLOCK_P is true.
7805 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7806 (min_anchor_offset, max_anchor_offset): Likewise.
7807 (use_anchors_for_symbol_p): New hook.
7808 * toplev.c (compile_file): Call output_object_blocks.
7809 (target_supports_section_anchors_p): New function.
7810 (process_options): Check that -fsection-anchors is only used on
7811 targets that support it and when -funit-at-a-time is in effect.
7812 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7813 if the decl doesn't have one.
7814 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7815 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7816 of force_const_mem through use_anchored_address.
7817 (expand_expr_constant): New function.
7818 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7819 calling expand_expr for INDIRECT_REF.
7820 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7821 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7822 * expr.h (use_anchored_address): Declare.
7823 * loop-unroll.c: Don't declare rtx vectors here.
7824 * explow.c: Include output.h.
7825 (validize_mem): Call use_anchored_address.
7826 (use_anchored_address): New function.
7827 * common.opt (-fsection-anchors): New switch.
7828 * varasm.c (object_block_htab, anchor_labelno): New variables.
7829 (hash_section, object_block_entry_eq, object_block_entry_hash)
7830 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7831 (use_blocks_for_decl_p, change_symbol_section): New functions.
7832 (get_variable_section): New function, split out from assemble_variable.
7833 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7834 use_blocks_for_decl_p say so. Use change_symbol_section if the
7835 symbol has already been created.
7836 (assemble_variable_contents): New function, split out from...
7837 (assemble_variable): ...here. Don't output any code for
7838 block symbols; just pass them to place_block_symbol.
7839 Use get_variable_section and assemble_variable_contents.
7840 (get_constant_alignment, get_constant_section, get_constant_size): New
7841 functions, split from output_constant_def_contents.
7842 (build_constant_desc): Create a block symbol if use_object_blocks_p
7843 says so. Or into SYMBOL_REF_FLAGS.
7844 (assemble_constant_contents): New function, split from...
7845 (output_constant_def_contents): ...here. Don't output any code
7846 for block symbols; just pass them to place_section_symbol.
7847 Use get_constant_section and get_constant_alignment.
7848 (force_const_mem): Create a block symbol if use_object_blocks_p and
7849 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7850 (output_constant_pool_1): Add an explicit alignment argument.
7851 Don't switch sections here.
7852 (output_constant_pool): Adjust call to output_constant_pool_1.
7853 Switch sections here instead. Don't output anything for block symbols;
7854 just pass them to place_block_symbol.
7855 (init_varasm_once): Initialize object_block_htab.
7856 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7857 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7858 (place_block_symbol, get_section_anchor, output_object_block)
7859 (output_object_block_htab, output_object_blocks): New functions.
7860 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7861 (TARGET_ASM_OUT): Include it.
7862 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7863 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7864 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7865 (TARGET_INITIALIZER): Include them.
7866 * rtl.c (rtl_check_failed_block_symbol): New function.
7867 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7868 (block_symbol, object_block): New structures.
7869 (rtx_def): Add a block_symbol field to the union.
7870 (BLOCK_SYMBOL_CHECK): New macro.
7871 (rtl_check_failed_block_symbol): Declare.
7872 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7873 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7874 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7875 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7876 * output.h (output_section_symbols): Declare.
7877 (object_block): Name structure.
7878 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7879 (default_use_anchors_for_symbol_p): Declare.
7880 * Makefile.in (RTL_BASE_H): Add vec.h.
7881 (explow.o): Depend on output.h.
7882 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7883 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7884 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7885 (rs6000_use_blocks_for_constant_p): New function.
7886
7887 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7888
7889 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7890
7891 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7892
7893 PR tree-opt/25680
7894 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7895 IMAGPART_EXPR.
7896
7897 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7898
7899 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7900 is_aliased.
7901 Update all users.
7902
7903 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7904
7905 PR middle-end/26334
7906 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7907 instead of DECL_REGISTER.
7908
7909 2006-02-18 Olivier Hainque <hainque@adacore.com>
7910
7911 PR ada/13408
7912 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7913
7914 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7915
7916 PR target/24837
7917 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7918 * opth-gen.awk: Handle Var and InverseMask together.
7919 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7920 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7921 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7922 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7923 used together.
7924 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7925 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7926 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7927 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7928 LINUX_DYNAMIC_LINKER): Define.
7929 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7930 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7931 TARGET_GLIBC.
7932 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7933 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7934 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7936 (TARGET_C99_FUNCTIONS): Don't define.
7937 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7938 GLIBC_DYNAMIC_LINKER.
7939 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7940 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7941 GLIBC_DYNAMIC_LINKER64): Define.
7942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7943 LINUX_DYNAMIC_LINKER64.
7944 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7946 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7948 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7950 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7951 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7952 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7954 and LINUX_DYNAMIC_LINKER32.
7955 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7957 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7959 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7960 TARGET_GLIBC.
7961 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7962 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7963 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7964 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7965 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7966 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7967 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7968 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7969 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7970 LINUX_DYNAMIC_LINKER): Define.
7971 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7972 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7973 GLIBC_DYNAMIC_LINKER64): Define.
7974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7975 LINUX_DYNAMIC_LINKER64.
7976 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7977 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7978 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7979 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7980 LINUX_DYNAMIC_LINKER): Define.
7981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7982 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7983 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7984 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7985 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7986 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7987 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7988 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7989 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7990 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7992 * doc/invoke.texi (-muclibc): Remove caveat about supported
7993 targets.
7994
7995 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7996
7997 * doc/cpp.texi (__TIMESTAMP__): Document.
7998
7999 2006-02-17 Roger Sayle <roger@eyesopen.com>
8000
8001 PR middle-end/25600
8002 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8003 C is one less than the width of X (and related transformations).
8004 * simplify-rtx.c (simplify_unary_operation_1): Transform
8005 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8006 depending on STORE_FLAG_VALUE, were C is one less then the
8007 width of X.
8008
8009 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8010
8011 Fix PR tree-optimization/26341
8012 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8013 about NAME_MEMORY_TAG's.
8014
8015 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8016
8017 PR target/26255
8018 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8019 with hardware float support, and software float support. Add fcpy
8020 alternative to hardware patterns. Add alternatives to copy between
8021 general and floating-point registers to the 32-bit pattern.
8022 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8023 secondary reload to load a QI or HI mode constant into a floating
8024 point register.
8025 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8026 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8027
8028 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8029
8030 PR target/26272
8031 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8032 pc to the pattern.
8033 (load_macho_picbase_di): Likewise.
8034
8035 2006-02-16 Jeff Law <law@redhat.com>
8036
8037 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8038 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8039 (ssa_name_nonzero_p): Likewise.
8040 (get_value_range): Return NULL if VRP is not running.
8041 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8042 VRP routines do not discover a range.
8043 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8044 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8045 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8046 (tree_expr_nonnegative_p): Similarly.
8047 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8048 (restore_nonzero_vars_to_original_value): Remove.
8049 (unsafe_associative_fp_binop): Remove.
8050 (tree_ssa_dominator_optimize): Remove initialization and
8051 finalization of nonzero_vars and nonzero_vars_stack.
8052 (dom_opt_initialize_block): No longer push marker on
8053 nonzero_vars_stack.
8054 (dom_opt_finalize_block): No longer call
8055 restore_nonzero_vars_to_original_value.
8056 (record_equivalences_from_phis): No longer look for
8057 nonzero PHI arguments.
8058 (cprop_into_successor_phis): No longer propagate nonzero
8059 property into PHI arguments. Lose unused argument. Caller
8060 updated.
8061 (record_equivalences_from_stmt): No longer record nonzero
8062 values for SSA_NAMEs.
8063 (lookup_avail_expr): No longer use nonzero_vars.
8064
8065 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8066 for sizetype when sizetype is unsigned.
8067
8068 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8069
8070 PR rtl-optimization/25603
8071 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8072 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8073 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8074 with new meaning of SETS.
8075
8076 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8077
8078 PR target/20353
8079 PR target/24578
8080 PR target/24837
8081 * config/linux.opt: New file.
8082 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8083 LINUX_DYNAMIC_LINKER): Define.
8084 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8085 * config.gcc (*-*-linux*): Define extra_options.
8086 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8087 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8088 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8089 GLIBC_DYNAMIC_LINKER.
8090 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8091 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8092 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8094 * doc/invoke.texi (GNU/Linux Options): New section.
8095
8096 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8097
8098 * config/sparc/sparc.md (setjmp): Rewrite.
8099 (setjmp_32): Delete.
8100 (setjmp_64): Likewise.
8101
8102 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8103
8104 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8105 previous change.
8106
8107 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8108
8109 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8110 read-write uses.
8111
8112 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8113
8114 PR rtl-optimization/26296
8115 * Makefile.in (loop-invariant.c): Add except.h dependency.
8116 * loop-invariant.c: Include except.h.
8117 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8118
8119 2005-02-16 Paul Brook <paul@codesourcery.com>
8120
8121 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8122 for reloads.
8123
8124 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8125
8126 PR rtl-optimization/25636
8127 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8128 when deciding whether an insn is an initializing insn.
8129
8130 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8131
8132 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8133 (tree_code_size): Ditto.
8134 * tree.h (struct tree_memory_tag): Remove parent_var.
8135 (struct tree_struct_field_tag): New.
8136 (SFT_OFFSET): New.
8137 (SFT_SIZE): New.
8138 (union tree_node): Add sft member.
8139 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8140 specially here.
8141 (create_sft): Add size and offset argument, set SFT_OFFSET and
8142 SFT_SIZE.
8143 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8144 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8145 * tree-flow-inline.h (get_subvar_at): Update for
8146 SFT_OFFSET/SFT_SIZE.
8147 (var_can_have_subvars): Ditto.
8148 (overlap_subvar): Ditto.
8149 * print-tree.c (print_node): Print out interesting things for
8150 SFT's.
8151 * tree-flow.h (struct subvar): Remove offset and size members.
8152 * tree-ssa-operands.c (get_expr_operands): Update for
8153 get_indirect_ref_operands changes.
8154 (get_indirect_ref_operands): Call add_virtual_operand instead of
8155 add_stmt_operand. Only recurse on base var if requested.
8156 (access_can_touch_variable): New function.
8157 (add_stmt_operand): Split virtual operand handling into ...
8158 (add_virtual_operand): Here. Add offset, size, and for_clobber
8159 arguments. Prune alias sets.
8160 (add_call_clobber_ops): Call add_virtual_operand.
8161
8162 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8163
8164 PR middle-end/26300
8165 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8166
8167 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8168 than TREE_CODE as index into omp_clause_num_ops array.
8169
8170 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8171
8172 PR rtl-optimization/26184
8173 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8174 uses_of_defs.
8175 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8176 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8177 must_precede, must_follow and tobe_scheduled.
8178
8179 PR other/26147
8180 * opts.c (common_handle_option): Free new_option pointer.
8181 * df-core.c (df_analyze): Free postorder pointer.
8182
8183 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8184
8185 * Makefile.in: Fix the examples about the use of stamps
8186
8187 2006-02-15 Michael Matz <matz@suse.de>
8188
8189 PR middle-end/22275
8190
8191 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8192 influenced by maximum_field_alignment or DECL_PACKED.
8193 (update_alignment_for_field): Ditto.
8194 (place_field): Ditto.
8195 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8196 this behaviour.
8197
8198 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8199
8200 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8201 (debug_flow_info): Pass it.
8202 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8203 * bb-reorder.c (reorder_basic_blocks): Likewise.
8204 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8205 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8206 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8207 * gcse.c (gcse_main, bypass_jumps): Likewise.
8208 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8209 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8210 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8211 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8212 * rtl.h (dump_flow_info): Adjust prototype.
8213 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8214 * var-tracking.c (variable_tracking_main): Likewise.
8215 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8216 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8217 options.
8218
8219 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8220
8221 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8222 construction.
8223
8224 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8225
8226 PR tree-optimization/26209
8227 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8228 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8229 eh edges.
8230 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8231
8232 2006-02-14 Roger Sayle <roger@eyesopen.com>
8233
8234 PR middle-end/23670
8235 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8236 (X,Y) and the corresponding symmetry related transformations.
8237 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8238 (X,Y) and its symmetry related transformations.
8239
8240 2006-02-14 Roger Sayle <roger@eyesopen.com>
8241
8242 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8243 and GEU.
8244
8245 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8246
8247 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8248
8249 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8250
8251 PR bootstrap/26053
8252 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8253 support COMDAT group.
8254 * configure: Regenerate.
8255
8256 2006-02-14 Roger Sayle <roger@eyesopen.com>
8257
8258 PR middle-end/26279
8259 PR middle-end/26280
8260 PR middle-end/26283
8261 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8262
8263 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8264
8265 Fix PR tree-optimization/26260
8266
8267 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8268 param.
8269 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8270 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8271 * tree-ssa-structalias.c (create_variable_info_for): Use
8272 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8273
8274 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8275
8276 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8277 Document.
8278 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8279 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8280 of the ending condition.
8281 * tree-ssa-loop-manip.c: Include params.h.
8282 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8283 tree_unroll_loop): New functions.
8284 * tree-pass.h (pass_loop_prefetch): Declare.
8285 * loop.c (rest_of_handle_loop_optimize): Test for
8286 -fprefetch-loop-arrays-rtl.
8287 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8288 * timevar.def (TV_TREE_PREFETCH): New timevar.
8289 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8290 pass_loop_prefetch): New.
8291 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8292 (cleanup_tree_cfg_loop): Call scev_reset.
8293 * common.opt (fprefetch-loop-arrays-rtl): Add.
8294 * tree-ssa-loop-prefetch.c: New file.
8295 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8296 (new_temp_expr_table): Initialize expr_vars.
8297 (free_temp_expr_table): Cleanup expr_vars.
8298 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8299 expressions from being merged into one.
8300 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8301 (struct tree_niter_desc): Add control, bound and cmp fields.
8302 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8303 Declare.
8304 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8305 (tree-cfgcleanup.o): Add SCEV_H dependency.
8306 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8307 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8308
8309 2006-02-14 Richard Guenther <rguenther@suse.de>
8310
8311 PR tree-optimization/26258
8312 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8313 in PHI argument processing.
8314
8315 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8316
8317 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8318 new expression in the requested machine mode.
8319
8320 2006-02-13 Roger Sayle <roger@eyesopen.com>
8321
8322 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8323 directly, instead let do_compare_rtx_and_jump handle this for us.
8324 * expr.c (expand_expr_real_1): Likewise.
8325 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8326 before do_jump_by_parts_greater.
8327 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8328 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8329
8330 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8331
8332 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8333
8334 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8335
8336 PR rtl-optimization/26235
8337 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8338 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8339 format.
8340
8341 2006-02-13 Jeff Law <law@redhat.com>
8342
8343 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8344 TRUTH_XOR_EPR.
8345
8346 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8347
8348 PR middle-end/26092
8349 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8350 twice if decl is a builtin. When trying again, call get_callee_fndecl
8351 first to verify it is still a builtin.
8352
8353 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8354
8355 * dwarf2out.c (base_type_die): Don't add AT_name here.
8356 (subrange_type_die): Don't add AT_name here.
8357 (modified_type_die): Rearrange code flow. Do add AT_name here.
8358
8359 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8360
8361 PR rtl-optimization/26247
8362 PR rtl-optimization/26248
8363 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8364
8365 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8366
8367 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8368 * config/fixtfdi.c: Likewise.
8369 * config/fixunstfdi.c: Likewise.
8370 * config/floatditf.c: Likewise.
8371
8372 2006-02-13 Roger Sayle <roger@eyesopen.com>
8373
8374 PR middle-end/24427
8375 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8376 into (X,C2) if C1 is a subset of the bits of C2. Transform
8377 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8378 (X&(C1&~C2))|C2.
8379 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8380
8381 2006-02-13 Josh Conner <jconner@apple.com>
8382
8383 PR target/25376
8384 * varasm.c (function_section): Check for section name before
8385 calling select_section on targets that define
8386 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8387 unlikely_text_section instead of hot_function_section if
8388 first_function_block_is_cold.
8389
8390 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8391
8392 PR middle-end/25335
8393 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8394
8395 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8396
8397 PR rtl-optimization/26222
8398 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8399 after tree->rtl expansion.
8400 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8401 before passing it to emit_move_insn.
8402
8403 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8404
8405 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8406 default.
8407 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8408 Clarify documentation.
8409 * c-common.h (warn_write_strings): Remove.
8410 * c-common.c (warn_write_strings): Likewise.
8411 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8412 default for C++.
8413
8414 2006-02-12 Roger Sayle <roger@eyesopen.com>
8415
8416 PR middle-end/25724
8417 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8418 (do_jump_parts_zero_rtx): New function renamed from
8419 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8420 (do_jump_parts_equality_rtx): New function split out from
8421 do_jump_parts_equality. Old implementation renamed as above.
8422 Call do_jump_parts_zero_rtx if either operand is zero.
8423 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8424 do all of the heavy lifting.
8425 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8426 calling either do_jump_by_parts_greater_rtx or
8427 do_jump_by_parts_equality_rtx.
8428 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8429 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8430 moved to do_compare_rtx_and_jump, call it directly.
8431 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8432 mode argument. Call do_compare_rtx_and_jump.
8433 (emit_case_nodes): Update calls to do_jump_if_equal.
8434
8435 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8436
8437 PR rtl-optimization/26225
8438 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8439
8440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8441
8442 PR rtl-optimization/26232
8443 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8444
8445 2006-02-11 Jason Merrill <jason@redhat.com>
8446
8447 PR tree-opt/24365
8448 * tree-inline.c (declare_return_variable): Just don't use the
8449 modify target if it's a gimple complex reg and the return slot
8450 isn't.
8451
8452 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8453
8454 * doc/contrib.texi: Update my entry.
8455
8456 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8457
8458 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8459
8460 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8461
8462 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8463 expensive.
8464
8465 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8466
8467 * doc/invoke.texi (-floop-optimize2): Removed.
8468 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8469 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8470 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8471 * common.opt (floop-optimize2): Removed.
8472 (fmove-loop-invariants): Enabled by default.
8473
8474 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8475
8476 * tree-if-conv.c (combine_blocks): Free the result of
8477 get_loop_exit_edges.
8478
8479 2006-02-10 Jeff Law <law@redhat.com>
8480
8481 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8482
8483 PR tree-optimization/26213
8484 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8485 loop trying to follow SSA_NAME_VALUE chains.
8486
8487 2006-02-10 Richard Guenther <rguenther@suse.de>
8488
8489 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8490 deal with structures that end in implicitly variable sized arrays.
8491
8492 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8493
8494 PR rtl-optimization/24762
8495 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8496 eh edges.
8497
8498 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8499
8500 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8501 (struct ivopts_data): Add regs_used field.
8502 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8503 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8504 instead of loop_data->regs_used;
8505 (free_loop_data): Do not free aux fields for loops.
8506 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8507 and tree_ssa_iv_optimize_finalize.
8508
8509 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8510
8511 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8512
8513 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8514
8515 PR target/26141
8516 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8517 computing the effective result type.
8518
8519 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8520
8521 PR inline-asm/16194
8522 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8523 (tree_overlaps_hard_reg_set): Declare.
8524 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8525 type and signature to match function type expected by walk_tree.
8526 (tree_overlaps_hard_reg_set): New function.
8527 (decl_conflicts_with_clobbers_p): Rename to:
8528 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8529 Use tree_overlaps_hard_reg_set. Changed caller.
8530 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8531 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8532 * cris.c (cris_md_asm_clobbers): Likewise.
8533
8534 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8535
8536 * reload1.c (emit_input_reload_insns): Delete code that tries to
8537 inherit using find_equiv_reg.
8538
8539 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8540
8541 * c-common.h (flag_const_strings): Don't declare.
8542 * c-common.c (flag_const_strings): Remove.
8543 * c.opt (fconst_strings): Remove.
8544 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8545 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8546 (c_common_init_options): Don't set flag_const_strings.
8547 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8548
8549 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8550
8551 * arm.md (tlobits_cbranch): New pattern.
8552 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8553 testing a single bit.
8554
8555 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8556
8557 PR tree-opt/26179
8558 * tree-ssa-pre.c (create_component_ref_by_pieces):
8559 Handle RETURN_DECL like VAR_DECL.
8560
8561 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8562
8563 PR middle-end/26134
8564 * fold-const.c (fold_indirect_ref_1): Fold
8565 "*(foo *)&complexfoo" to "__real__ complexfoo"
8566 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8567
8568 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8569
8570 * tree-flow-inline.h (var_can_have_subvars):
8571 Volatile variables should not have subvariables.
8572
8573 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8574
8575 PR 26180
8576 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8577 multiplying unsigned values.
8578 Tidy comments.
8579
8580 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8581
8582 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8583
8584 2006-02-08 Jason Merrill <jason@redhat.com>
8585
8586 PR c++/25979
8587 * tree.def: Elaborate on difference from MODIFY_EXPR.
8588 * doc/c-tree.texi (INIT_EXPR): Likewise.
8589 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8590 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8591 (gimplify_target_expr): Likewise.
8592 (gimplify_cond_expr): Remove target handling.
8593 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8594 (gimplify_expr): Clobber it here.
8595 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8596 Do return slot optimization if we have an INIT_EXPR.
8597
8598 PR tree-opt/24365
8599 * tree-inline.c (declare_return_variable): Also clear
8600 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8601
8602 PR c++/16405
8603 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8604
8605 PR middle-end/22439
8606 * gimplify.c (gimplify_one_sizepos): Fix typo.
8607
8608 2006-02-08 Jeff Law <law@redhat.com>
8609
8610 PR tree-optimization/21417
8611 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8612 across a backedge if the control statement at the end of the
8613 block is data dependent on other statements in the same block.
8614 (record_temporary_equivalences_from_stmts): Remove over-conservative
8615 test for threading across backedges.
8616
8617 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8618 control statement, handle all three special cases in the same
8619 manner as they all have the same desired solution. No longer
8620 special case edge flag updating when the post dominator is
8621 the exit block.
8622
8623 2006-02-08 Roger Sayle <roger@eyesopen.com>
8624
8625 * tree.def (CHAR_TYPE): Remove.
8626 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8627 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8628 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8629 (gen_string_type_die): Delete unreachable function.
8630
8631 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8632 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8633 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8634 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8635 * builtins.c (type_to_class): Likewise.
8636 * fold-const.c (fold_convert, build_range_check,
8637 merge_ranges): Likewise.
8638 * expr.c (count_type_elements): Likewise.
8639 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8640 * stor-layout.c (layout_type): Likewise.
8641 * ipa-type-escape.c (type_to_consider): Likewise.
8642 * gimplify.c (omp_firstprivatize_type_sizes,
8643 gimplify_type_sizes): Likewise.
8644 * explow.c (promote_mode): Likewise.
8645 * tree-sra.c (is_sra_scalar_type): Likewise.
8646 * varasm.c (output_constant): Likewise.
8647 * tree-inline.c (remap_type_1): Likewise.
8648 * convert.c (convert_to_pointer, convert_to_real,
8649 convert_to_integer, convert_to_complex): Likewise.
8650
8651 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8652
8653 * df-scan.c (df_def_record_1): A set destination may
8654 be a parallel regardless of mode.
8655
8656 2006-02-08 Roger Sayle <roger@eyesopen.com>
8657
8658 PR target/22209
8659 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8660 * config/mips/_tilib.c: Remove.
8661 * config/fixtfdi.c: New libgcc source file.
8662 * config/fixunstfdi.c: New source file.
8663 * config/floatditf.c: New source file.
8664 * config/floatunditf.c: New souce file.
8665 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8666 files above instead of config/mips/_tilib.c.
8667 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8668
8669 2006-02-08 Jeff Law <law@redhat.com>
8670
8671 PR tree-optimization/26169
8672 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8673 threading jumps.
8674
8675 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8676
8677 * df.h (DF_REG_SIZE): Return the length of the initialized
8678 part of the array.
8679
8680 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8681
8682 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8683 __muldf3): Return a correctly signed zero.
8684
8685 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8686
8687 * passes.c (register_one_dump_file): Accept the current properties
8688 instead of pass number. Adjust call to dump_register. Remove
8689 duplicated code.
8690 (register_dump_files): Now a wrapper around...
8691 (register_dump_files_1): ... this one. Do not modify the pass
8692 structure.
8693 (next_pass_1): Cosmetic fix.
8694 (execute_todo): Keep second parameter only. Use curr_properties
8695 instead of fetching it from the pass structure. Check and set
8696 last_verified.
8697 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8698 instead of fetching it from the pass structure. Fix calls to
8699 execute_todo. Update curr_properties and initialize .vcg RTL dump
8700 after running the pass. Reset last_verified.
8701 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8702 at the beginning.
8703 (FIRST_AUTO_NUMBERED_DUMP): New.
8704 (dump_register): Remove "num" parameter, assign it within the
8705 function.
8706 (get_dump_file_name): Modify template for dumps.
8707 * tree-dump.h (dump_register): Adjust prototype.
8708 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8709 (PROP_trees): Add PROP_gimple_lomp.
8710 (TODO_set_props): New.
8711 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8712 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8713 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8714
8715 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8716
8717 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8718 (sparc64-*-linux*): Likewise.
8719 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8720 * config/sparc/t-linux: New file.
8721 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8722 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8723 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8724 -m32 -mlong-double-128.
8725
8726 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8727 * config/alpha/t-linux: New file.
8728 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8729
8730 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8731 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8732 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8733 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8734 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8735 (CPP_ARCH32_SPEC): Remove.
8736
8737 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8738
8739 PR tree-optimization/26145
8740 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8741 bbs pointer.
8742
8743 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8744
8745 PR target/26109
8746 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8747 >= 240000 when generating code for SOM runtime.
8748 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8749 to $$dyncall when generating code for SOM runtime..
8750
8751 2006-02-07 Dirk Mueller <dmueller@suse.com>
8752
8753 PR c++/18150
8754 * doc/invoke.texi (-Wsequence-point): Update documentation
8755 that -Wsequence-point is implemented for C++ as well.
8756
8757 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8758
8759 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8760 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8761 (LIB_SPEC): Likewise.
8762 * doc/invoke.texi (SPARC options): Document -pthread.
8763
8764 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8765
8766 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8767 PIC addresses.
8768
8769 2006-02-07 Roger Sayle <roger@eyesopen.com>
8770
8771 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8772 Correct comment describing BOOLEAN_TYPE.
8773
8774 2006-02-07 Dirk Mueller <dmueller@suse.com>
8775
8776 * c.opt: C++ frontend supports -Wdiv-by-zero.
8777 * c-opts.c (c_common_handle_option): Remove dead case.
8778
8779 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8780
8781 * configure.ac (TLS assembler check): Do not enable TLS by
8782 default on SPARC/Solaris before version 10.
8783 * configure: Regenerate.
8784
8785 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8786
8787 * doc/invoke.texi (xl-compat): Document conversion and support
8788 routine names.
8789
8790 2006-02-07 Jeff Law <law@redhat.com>
8791
8792 * tree-vrp.c (find_conditional_asserts): Update comments.
8793 (simplify_stmt_for_jump_threading): New.
8794 (identify_jump_threads, finalize_jump_threads): New.
8795 (vrp_finalize): Call identify_jump_threads.
8796 (execute_vrp): Call finalize_jump_threads.
8797 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8798 (vrp_element, vrp_data, vrp_element_p): Remove.
8799 (vrp_hash_elt, vrp_variables_stack): Remove.
8800 (vrp_hash, vrp_eq, record_range): Remove.
8801 (simplify_cond_and_lookup_avail_expr): Remove.
8802 (extract_range_from_cond): Remove.
8803 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8804 (simplify_stmt_for_jump_threading): New.
8805 (dom_thread_across_edge): New wrapper.
8806 (tree_ssa_dominator_optimize): No longer initialize or
8807 finalize any of the VRP datastructures. Remove iteration
8808 step and simplify as a result of removal of iteration step.
8809 (pass_dominator): Perform a cfg cleanup after DOM.
8810 (dom_opt_finalize_block): Use the new common routines
8811 for threading jumps. Simplify stack management slightly.
8812 No longer need to unwind VRP state.
8813 (record_equivalences_from_incoming_edge): No longer record
8814 VRP information.
8815 (eliminate_redundant_computations): No longer call
8816 simplify_cond_and_lookup_avail_expr.
8817 * tree-flow.h (potentially_threadable_block): Prototype.
8818 (thread_across_edge): Likewise.
8819 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8820 (tree-ssa-threadedge.o): Add dependencies.
8821 * tree-ssa-threadedge.c: New file.
8822 * passes.c (init_optimization_passes): Merge PHIs before
8823 calling VRP. Run VRP again late in the SSA optimization pipeline.
8824
8825 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8826
8827 * df-core.c (df_set_blocks): Do not dereference function pointers.
8828 (df_finish1): Likewise.
8829 (df_hybrid_search_forward): Likewise.
8830 (df_hybrid_search_backward): Likewise.
8831 (df_iterative_dataflow): Likewise.
8832 (df_analyze_problem): Likewise.
8833 (df_compact_blocks): Likewise.
8834 (df_dump): Likewise.
8835 * df-scan.c (df_rescan_blocks): Likewise.
8836 (df_record_entry_block_defs): Likewise.
8837
8838 * genconditions.c (write_conditions): Guard the definition of
8839 'insn_conditions' with the check on GCC version.
8840 (write_writer): Guard the traversal 'insn_conditions' with
8841 the check on GCC version.
8842
8843 2006-02-07 Richard Guenther <rguenther@suse.de>
8844
8845 PR c++/26140
8846 Revert
8847 2006-01-30 Richard Guenther <rguenther@suse.de>
8848 PR c++/23372
8849 * gimplify.c (gimplify_target_expr): Handle easy cases
8850 without creating a temporary.
8851
8852 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8853
8854 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8855 use of float in probability computations. Use edge probabilities
8856 in place of statically computed probabilities.
8857 (min_spec_prob): New static variable.
8858 (schedule_insns): Initialize it.
8859 (GET_SRC_PROB): Removed.
8860 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8861
8862 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8863
8864 PR debug/24444
8865 * config/ia64/unwind-ia64.c: Revert last change.
8866 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8867 (INCOMING_FRAME_SP_OFFSET): Define.
8868
8869 2006-02-06 Roger Sayle <roger@eyesopen.com>
8870
8871 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8872
8873 2006-02-07 Ben Elliston <bje@au.ibm.com>
8874
8875 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8876 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8877 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8878 (ix86_return_in_memory): Handle TDmode.
8879 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8880 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8881
8882 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8883
8884 * reorg.c (dbr_schedule): Use dump_file instead of file.
8885
8886 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8887
8888 PR target/25917
8889 * config/ia64/predicates.md (extr_len_operand): New predicate.
8890 * config/ia64/ia64.md (extv): Tighten constraints.
8891 (extzv): Ditto.
8892 (*tbit_and_2): Ditto.
8893 (*tbit_and_3): Ditto.
8894 (*tbit_or_2): Ditto.
8895 (*tbit_or_3): Ditto.
8896 (*bit_zero): Ditto.
8897 (*bit_one): Ditto.
8898
8899 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8900
8901 PR target/23359
8902 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8903
8904 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8905
8906 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8907 loop_optimizer_init and loop_optimizer_finalize
8908 * tree-ssa-sink.c (execute_sink_code): Ditto.
8909 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8910 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8911 tree_ssa_loop_done): Ditto.
8912 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8913 * sched-ebb.c: Include output.h.
8914 (schedule_ebbs): Do not use dump argument.
8915 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8916 * loop.c (loop_dump_stream): Removed.
8917 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8918 argument.
8919 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8920 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8921 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8922 loop_iterations, strength_reduce, record_biv, record_giv,
8923 final_giv_value, check_final_value, check_ext_dependent_givs,
8924 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8925 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8926 dump_file instead of loop_dump_stream.
8927 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8928 argument dump_file.
8929 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8930 dump argument.
8931 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8932 * haifa-sched.c: Include output.h
8933 (schedule_insns, sched_init): Do not use dump argument.
8934 * mode-switching.c (optimize_mode_switching): Ditto.
8935 * modulo-sched.c (stats_file): Removed.
8936 (print_node_sched_params): Do not call argument dump_file.
8937 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8938 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8939 of stats_file.
8940 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8941 use dump argument.
8942 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8943 rtl_loop_init, rtl_loop_done): Ditto.
8944 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8945 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8946 Ditto.
8947 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8948 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8949 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8950 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8951 * emit-rtl.c (renumber_insns): Ditto.
8952 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8953 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8954 * regclass.c (regclass): Ditto.
8955 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8956 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8957 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8958 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8959 Ditto.
8960 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8961 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8962 to regclass.
8963 * gcse.c (gcse_file, debug_stderr): Removed.
8964 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8965 rest_of_handle_gcse): Do not use dump argument.
8966 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8967 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8968 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8969 compute_code_hoist_vbeinout, compute_code_hoist_data,
8970 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8971 compute_store_table, build_store_vectors, insert_insn_start_bb,
8972 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8973 store_motion): Use dump_file instead of gcse_file.
8974 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8975 * profile.c (profile_dump_file): Removed.
8976 (branch_prob): Use dump_file instead of profile_dump_file.
8977 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8978 dump_file.
8979 * tree-ssa-copy.c (dump_copy_of): Ditto.
8980 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8981 dump file to life_analysis.
8982 * bt-load.c (branch_target_load_optimize): Ditto.
8983 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8984 renumber_insns.
8985 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8986 regclass, dbr_schedule): Declaration changed.
8987 * sched-int.h (sched_init): Declaration changed.
8988 * tree-profile.c (tree_profile_dump_file): Removed.
8989 (tree_profile_hooks): Removed profile_dump_file hook.
8990 * rtl-profile (rtl_profile_dump_file): Removed.
8991 (rtl_profile_hooks): emoved profile_dump_file hook.
8992 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8993 changed.
8994 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8995 * tree-cfg.c (build_tree_cfg): Ditto.
8996 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8997 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8998 Declaration changed.
8999 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9000 life_analysis and schedule_insns.
9001 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9002 life_analysis.
9003 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9004 dbr_schedule.
9005 * config/mips/mips.c (mips_reorg): Ditto.
9006 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9007 schedule_ebbs.
9008
9009 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9010
9011 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9012 (s390_mangle_fundamental_type): New.
9013 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9014 Define.
9015
9016 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9017 (alpha_mangle_fundamental_type): New.
9018 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9019 Define.
9020
9021 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9022 Define.
9023 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9024 Define.
9025 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9026 (sparc_mangle_fundamental_type): New.
9027
9028 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9029
9030 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9031 (s390x-*-linux*): Likewise.
9032 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9033 * config/s390/t-linux: New file.
9034
9035 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9036
9037 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9038 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9039
9040 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9041
9042 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9043 (ANTIC_SAFE_LOADS): New macro.
9044 (find_or_generate_expression): Add prototype.
9045 (set_contains_value): Allow null set for sake of not always having
9046 to allocate ANTIC_SAFE_LOADS.
9047 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9048 Allow COMPONENT_REF too.
9049 (valid_in_set): Allow COMPONENT_REF.
9050 Check ANTIC_SAFE_LOADS too.
9051 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9052 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9053 rename.
9054 (can_PRE_operation): Add COMPONENT_REF.
9055 (create_component_ref_by_pieces): New function.
9056 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9057 (insert_aux): Move AGGREGATE_TYPE_P check here.
9058 (compute_avail): Set bb local stmt uids.
9059 (pass_pre): Use TODO_update_ssa_only_virtuals.
9060
9061 2006-02-06 Ben Elliston <bje@au.ibm.com>
9062
9063 * configure.ac: Unconditionally disable decimal float by default.
9064 * configure: Regenerate.
9065
9066 2006-02-06 Ben Elliston <bje@au.ibm.com>
9067
9068 * read-rtl.c (read_name): Terminate reading on EOF.
9069
9070 2006-02-06 Ben Elliston <bje@au.ibm.com>
9071
9072 * dfp.c (decimal_real_arithmetic): Change second argument type
9073 from int to enum tree_code. Do not always return true, but now
9074 return result of any call to decimal_do helper functions.
9075 * dfp.h (decimal_real_arithmetic): Update prototype.
9076
9077 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9078
9079 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9080
9081 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9082
9083 PR tree-opt/25251
9084 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9085 forced labels.
9086
9087 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9088
9089 * tree-vrp.c (cfg_loops): Removed.
9090 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9091 Use current_loops instead of cfg_loops. Pass flags to
9092 loop_optimizer_init.
9093 * cfgloopmanip.c (fix_loop_structure): Update only available
9094 information.
9095 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9096 loop_optimizer_init.
9097 * modulo-sched.c (build_loops_structure): Removed.
9098 (sms_schedule): Use loop_optimizer_init.
9099 * loop-init.c (loop_optimizer_init): Use flags to determine
9100 which properties of loops to prepare.
9101 (rtl_loop_init): Pass flags to loop_optimizer_init.
9102 * tree-ssa-sink.c (execute_sink_code): Ditto.
9103 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9104 * tree-ssa-pre.c (init_pre): Ditto.
9105 * cfgloop.h (LOOPS_NORMAL): New.
9106 (loop_optimizer_init): Declaration changed.
9107
9108 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9109
9110 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9111 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9112 pa/t-pa.
9113 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9114 pa/t-pa.
9115 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9116 pa/x-ada.
9117 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9118 * pa/t-pa64: Delete quadlib.c rule.
9119 * pa/x-ada: Revert last change.
9120 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9121
9122 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9123
9124 PR rtl-optimization/26087
9125 * rtlanal.c (canonicalize_condition): Do not cross basic block
9126 boundaries.
9127
9128 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9129
9130 PR debug/24444
9131 * config/ia64/ia64.c: Include debug.h.
9132 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9133 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9134 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9135 (process_epilogue, process_set, process_for_unwind_directive):
9136 Output unwind info only if requested. Add CFA info if requested.
9137 Add new arguments as needed. Adjust callers.
9138 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9139 incorrect default.
9140 (DWARF2_FRAME_INFO): Define to zero.
9141 * config/ia64/unwind-ia64.c: Remove code that compensated for
9142 the CFA offset error fixed above.
9143 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9144 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9145 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9146 -funwind-tables and -fexceptions to enable frame info.
9147 (dwarf2out_frame_init): Define initial CFA even if
9148 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9149 DWARF2_UNWIND_INFO is nonzero, not just defined.
9150 (dwarf2out_frame_finish): Output non-EH call frame info only
9151 if DWARF2_FRAME_INFO is nonzero.
9152 (convert_cfa_to_loc_list,
9153 compute_frame_pointer_to_cfa_displacement): Define even if
9154 unwind info is not supported.
9155 (gen_subprogram_die): Use the above unconditionally. Remove
9156 legacy alternate code.
9157 * toplev.c (compile_file): Compile in call to
9158 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9159 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9160
9161 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9162 Jakub Jelinek <jakub@redhat.com>
9163
9164 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9165 IBM extended float format long double as "g" on powerpc*-linux.
9166
9167 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9168
9169 PR target/25926
9170 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9171 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9172
9173 2006-02-03 Jason Merrill <jason@redhat.com>
9174
9175 PR c++/25979
9176 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9177
9178 PR middle-end/25977
9179 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9180 on the return slot if it's an NRV.
9181
9182 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9183
9184 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9185 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9186 rewrite_use): Do not handle USE_OUTER.
9187 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9188 add_iv_outer_candidates, may_replace_final_value,
9189 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9190 (find_interesting_uses_op): Functionality of
9191 find_interesting_uses_outer_or_nonlin moved here.
9192 (find_interesting_uses_outside): Use find_interesting_uses_op.
9193
9194 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9195
9196 PR target/25960
9197 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9198
9199 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9200 Ulrich Weigand <uweigand@de.ibm.com>
9201
9202 PR target/25864
9203 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9204 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9205 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9206 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9207 and dxr fields.
9208 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9209 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9210 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9211 Define secondary reloads for TFmode moves.
9212 (constant_modes): Add TFmode.
9213 (NR_C_MODES): Set to 8.
9214 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9215 builtin define.
9216 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9217 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9218 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9219 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9220 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9221 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9222 (FPR mode macro): Add TFmode.
9223 (DSF mode macro): New.
9224 (<de>, <dee> mode attributes): Removed.
9225 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9226 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9227 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9228 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9229 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9230 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9231 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9232 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9233 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9234 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9235 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9236 "*negabs<mode>2", "sqrt<mode>2"):
9237 Changed <de> to <xde>. R constraint replaced by <Rf>.
9238 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9239 <Rf>.
9240 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9241 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9242 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9243 splitters.
9244 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9245 "extenddftf2", "extendsftf2"): New expanders.
9246 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9247 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9248 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9249 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9250 New options.
9251 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9252 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9253 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9254 __floatditf): Add a GCC_4.1.0 symbol version tag.
9255 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9256 the new options.
9257
9258 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9259
9260 PR target/25377
9261 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9262 Use targetm.binds_local_p instead of TREE_PUBLIC.
9263
9264 2006-02-02 Roger Sayle <roger@eyesopen.com>
9265
9266 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9267 on INTEGER_TYPEs to indicate that it denotes a character type.
9268 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9269 signed_char_type_node, unsigned_char_type_node and char_type_node.
9270 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9271 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9272 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9273
9274 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9275 Daniel Berlin <dberlin@dberlin.org>
9276
9277 * tree-tailcall.c (arg_needs_copy_p): New function.
9278 (eliminate_tail_call): Use arg_needs_copy_p.
9279 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9280 (add_virtual_phis): New function.
9281
9282 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9283
9284 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9285 #ignore instead of #scratch for %g7 .register directive.
9286
9287 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9288
9289 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9290 object files.
9291
9292 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9293
9294 * flow.c (calculate_global_regs_live): Assert that there aren't any
9295 EDGE_FAKE edges.
9296
9297 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9298
9299 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9300 what its name says.
9301 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9302 bsi_after_labels iterator.
9303 * tree-if-conv.c (find_phi_replacement_condition,
9304 replace_phi_with_cond_modify_expr): Likewise.
9305 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9306 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9307
9308 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9309
9310 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9311
9312 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9313
9314 PR 25990
9315 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9316 array after growing it.
9317
9318 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9319
9320 PR middle-end/24901
9321 * fold-const.c (fold_checksum_tree): Change type of buf.
9322
9323 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9324
9325 * reload.c (push_secondary_reload): Initialize t_icode.
9326
9327 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9328
9329 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9330 -msoft-float -mlong-double-128 only issue a warning, but don't
9331 swich to DFmode long double.
9332
9333 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9334
9335 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9336 has a constant equivalent, iterate over equivalents for arg0,
9337 calling simplify_relational_operation and if there's a result
9338 cheaper than X, apply fold_rtx and return the result.
9339
9340 2006-02-01 Jan Hubicka <jh@suse.cz>
9341
9342 * opts.c (no_unit_at_a_time_default): New global variable.
9343 (decode_options): Use it.
9344 * opts.h (no_unit_at_a_time_default): Declare.
9345
9346 2006-02-01 Paul Brook <paul@codesourcery.com>
9347
9348 * function.c (assign_parm_setup_reg): Use function argument promotion
9349 rules.
9350 * expr.c (expand_expr_real_1): Use function argument promotion rules
9351 for PARM_DECLs.
9352
9353 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9354
9355 * gcc.c (process_command): Change j to 'unsigned int'.
9356
9357 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9358
9359 PR middle-end/26001
9360 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9361 Use the corrected index for the character
9362 out of the string constant.
9363
9364 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9365
9366 * mode-switching.c (optimize_mode_switching): Fix size
9367 allocated for bb_info[n_entities].
9368
9369 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9370
9371 * gcc.c (main): Correct type that is allocated for
9372 explicit_link_files.
9373
9374 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9375
9376 * config/s390/s390.c (init_alignment_context): Set
9377 ALIAS_SET_MEMORY_BARRIER on the MEM.
9378 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9379
9380 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9381
9382 PR middle-end/25933
9383 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9384 dom_bbs pointer.
9385 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9386 call to tpa_init.
9387
9388 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9389
9390 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9391 * regrename.c: Ditto.
9392 * tree-ssa-loop-im.c: Ditto.
9393 * tree-dump.c: Ditto.
9394 * tree-complex.c: Ditto.
9395 * genrecog.c: Ditto.
9396 * tree-ssa-threadupdate.c: Ditto.
9397 * tracer.c: Ditto.
9398 * java/class.c: Ditto.
9399 * java/jcf-parse.c: Ditto.
9400 * java/resource.c: Ditto.
9401 * java/except.c: Ditto.
9402 * java/jvspec.c: Ditto.
9403 * java/jcf-write.c: Ditto.
9404 * java/jcf-path.c: Ditto.
9405 * java/gjavah.c: Ditto.
9406 * java/zextract.c: Ditto.
9407 * java/jcf-io.c: Ditto.
9408 * java/jcf.h: Ditto.
9409 * java/buffer.c: Ditto.
9410 * java/lang.c: Ditto.
9411 * java/parse-scan.y: Ditto.
9412 * java/lex.c: Ditto.
9413 * java/lex.h: Ditto.
9414 * cfgloopmanip.c: Ditto.
9415 * postreload-gcse.c: Ditto.
9416 * tree-ssa-loop-manip.c: Ditto.
9417 * postreload.c: Ditto.
9418 * tree-ssa-loop-ch.c: Ditto.
9419 * loop.c: Ditto.
9420 * ipa-cp.c: Ditto.
9421 * cppspec.c: Ditto.
9422 * diagnostic.c: Ditto.
9423 * final.c: Ditto.
9424 * genoutput.c: Ditto.
9425 * gcc.c: Ditto.
9426 * cfghooks.c: Ditto.
9427 * cfgloopanal.c: Ditto.
9428 * objc/objc-act.c: Ditto.
9429 * gcov.c: Ditto.
9430 * genextract.c: Ditto.
9431 * genautomata.c: Ditto.
9432 * pretty-print.c: Ditto.
9433 * genemit.c: Ditto.
9434 * cgraphunit.c: Ditto.
9435 * flow.c: Ditto.
9436 * df-scan.c: Ditto.
9437 * haifa-sched.c: Ditto.
9438 * dominance.c: Ditto.
9439 * dbxout.c: Ditto.
9440 * tree-ssa-loop-ivopts.c: Ditto.
9441 * df-core.c: Ditto.
9442 * mode-switching.c: Ditto.
9443 * modulo-sched.c: Ditto.
9444 * graph.c: Ditto.
9445 * ipa-pure-const.c: Ditto.
9446 * cse.c: Ditto.
9447 * fix-header.c: Ditto.
9448 * web.c: Ditto.
9449 * tree-stdarg.c: Ditto.
9450 * ipa-utils.c: Ditto.
9451 * loop-init.c: Ditto.
9452 * ipa-inline.c: Ditto.
9453 * cfganal.c: Ditto.
9454 * global.c: Ditto.
9455 * alloc-pool.c: Ditto.
9456 * dwarf2out.c: Ditto.
9457 * opts.c: Ditto.
9458 * genattrtab.c: Ditto.
9459 * tree-ssa-loop-ivcanon.c: Ditto.
9460 * predict.c: Ditto.
9461 * timevar.c: Ditto.
9462 * lcm.c: Ditto.
9463 * fortran/gfortranspec.c: Ditto.
9464 * regmove.c: Ditto.
9465 * local-alloc.c: Ditto.
9466 * langhooks.c: Ditto.
9467 * function.c: Ditto.
9468 * tree-vectorizer.c: Ditto.
9469 * gcse.c: Ditto.
9470 * ipa-type-escape.c: Ditto.
9471 * alias.c: Ditto.
9472 * tree-if-conv.c: Ditto.
9473 * profile.c: Ditto.
9474 * ipa.c: Ditto.
9475 * tree-data-ref.c: Ditto.
9476 * loop-unroll.c: Ditto.
9477 * treelang/treetree.c: Ditto.
9478 * calls.c: Ditto.
9479 * bt-load.c: Ditto.
9480 * ggc-common.c: Ditto.
9481 * except.c: Ditto.
9482 * coverage.c: Ditto.
9483 * cselib.c: Ditto.
9484 * tree-cfgcleanup.c: Ditto.
9485 * tree-ssa-pre.c: Ditto.
9486 * cfgcleanup.c: Ditto.
9487 * loop-invariant.c: Ditto.
9488 * loop-iv.c: Ditto.
9489 * ipa-prop.c: Ditto.
9490 * print-tree.c: Ditto.
9491 * conflict.c: Ditto.
9492 * ggc-page.c: Ditto.
9493 * sched-deps.c: Ditto.
9494 * regclass.c: Ditto.
9495 * tree-object-size.c: Ditto.
9496 * combine.c: Ditto.
9497 * bb-reorder.c: Ditto.
9498 * resource.c: Ditto.
9499 * var-tracking.c: Ditto.
9500 * cfgloop.c: Ditto.
9501 * df-problems.c: Ditto.
9502 * reg-stack.c: Ditto.
9503 * tlink.c: Ditto.
9504 * gccspec.c: Ditto.
9505 * sched-rgn.c: Ditto.
9506 * tree-ssa-structalias.c: Ditto.
9507 * tree-ssa-reassoc.c: Ditto.
9508 * config/darwin-c.c: Ditto.
9509 * config/darwin.c: Ditto.
9510 * config/arm/arm.c: Ditto.
9511 * cfgrtl.c: Ditto.
9512 * collect2.c: Ditto.
9513 * reload1.c: Ditto.
9514
9515 2006-01-31 Nicolas Pitre <nico@cam.org>
9516
9517 * arm.md (smaxsi3): Make aware of smax_m1.
9518 (smax_m1): New.
9519
9520 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9521
9522 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9523
9524 2006-01-31 Richard Guenther <rguenther@suse.de>
9525
9526 * doc/invoke.texi (-msselibm): Document.
9527 * target.h (expand_library_builtin): New target hook.
9528 * builtins.c (expand_builtin): Use expand_library_builtin.
9529 (default_expand_library_builtin): New function.
9530 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9531 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9532 (link_gcc_math_spec): Declare.
9533 (static_specs): Add link_gcc_math_spec.
9534 * expr.h (default_expand_library_builtin): Declare.
9535 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9536 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9537 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9538 * config/i386/i386.opt (msselibm): New target option.
9539 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9540 (ix86_init_sse_abi_builtins): New function.
9541 (ix86_expand_library_builtin): Likewise.
9542 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9543 (override_options): Handle error conditions wrt -msselibm.
9544 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9545 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9546 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9547 builtins.
9548
9549 2006-01-31 Richard Guenther <rguenther@suse.de>
9550 Paolo Bonzini <bonzini@gnu.org>
9551
9552 * doc/install.texi (--disable-libgcc-math): Document.
9553
9554 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9555
9556 * expr.h (expand_normal): new inline function.
9557 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9558 * dojump.c: use it.
9559 * dwarf2out.c: use it.
9560 * expr.c: use it.
9561 * calls.c: use it.
9562 * expmed.c: use it.
9563 * except.c: use it.
9564 * config/sparc/sparc.c: use it.
9565 * config/i386/i386.c: use it.
9566 * config/rs6000/rs6000.c: use it.
9567 * config/arm/arm.c: use it.
9568 * config/mips/mips.c: use it.
9569 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9570
9571 2006-01-30 Roger Sayle <roger@eyesopen.com>
9572
9573 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9574 argv to the appropriate type.
9575
9576 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9577
9578 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9579 unreachable code.
9580
9581 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9582
9583 PR target/26018
9584 * config/s390/s390.c (struct machine_function): New flag
9585 decomposed_literal_pool_addresses_ok_p.
9586 (s390_reorg): Set it before final stage of literal pool transforms.
9587 (s390_decompose_address): Only accept displacements of the form
9588 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9589
9590 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9591
9592 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9593 the comparison routine return.
9594
9595 2006-01-30 Michael Matz <matz@suse.de>
9596
9597 * global.c (find_reg): Only evict for global regs.
9598 Take n_refs into account and dump more info.
9599
9600 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9601
9602 PR target/14798:
9603 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9604 (pragma_trap, pragma_nosave_low_regs): Likewise.
9605 (current_function_anonymous_args): Likewise.
9606 (sh_deferred_function_attributes): New variable.
9607 (sh_deferred_function_attributes_tail): Likewise.
9608 (print_operand): For '@', look up trap_exit attribute.
9609 (calc_live_regs): Look up trapa_handler attribute. For trapa
9610 handlers, save/restore fpscr, but don't do any other
9611 interrupt-specific saves.
9612 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9613 Fix check for partially saved registers to check for SHmedia.
9614 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9615 (sh_output_function_epilogue): Don't clear any of the removed
9616 variables.
9617 (sh_insert_attributes): Don't check pragma_interrupt.
9618 Insert deferred attributes. Check that interrupt attribute is
9619 present for other attributes that require its presence.
9620 (sh_attribute_table): Add new attributes trapa_handler and
9621 nosave_low_regs.
9622 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9623 Don't check for pragma_interrupt. Don't store argument.
9624 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9625 (sh_deferred_function_attributes): Declare.
9626 (sh_deferred_function_attributes_tail): Likewise.
9627 * sh.md (sp_switch_1): Add operand. Change generator caller.
9628 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9629 (*return_i): Don't use when trap_exit attribute is in effect.
9630 (*return_trapa): New insn pattern.
9631 * sh-c.c: New file.
9632 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9633 setting c_target_objs and cxx_target_objs.
9634 * t-sh: Add rule for sh-c.o.
9635
9636 2006-01-30 Richard Guenther <rguenther@suse.de>
9637
9638 PR c++/23372
9639 * gimplify.c (gimplify_target_expr): Handle easy cases
9640 without creating a temporary.
9641
9642 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9643
9644 * vec.h (safe_grow): Remove duplicated line.
9645
9646 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9647
9648 PR 25874
9649 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9650 (expand_omp): ... here.
9651 (expand_omp_parallel): Only remove barriers for combined
9652 parallel+workshare constructs.
9653
9654 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9655
9656 Revert
9657
9658 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9659 * tree.c (build_qualified_type): Chain the new type to the original
9660 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9661 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9662 (build_pointer_type_for_mode): Only return unqualified types.
9663 (build_reference_type_for_mode): Likewise.
9664
9665 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9666
9667 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9668 * Makefile.in (CXX_COMPAT_WARN): Define.
9669 * configure: Regenerate.
9670
9671 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9672
9673 PR tree-opt/25911
9674 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9675 to an if check.
9676
9677 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9678
9679 * toplev.c: Fix thinko.
9680
9681 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9682 Marcin Dalecki <martin@dalecki.de>
9683
9684 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9685 (push_srcloc): Use XNEW.
9686 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9687
9688 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9689
9690 * df-core.c (df_set_blocks): Deleted all variable.
9691
9692 2006-01-28 Ian Lance Taylor <ian@airs.com>
9693
9694 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9695 cgraph_output_pending_asms.
9696
9697 2006-01-28 Zack Weinberg <zackw@panix.com>
9698
9699 * c.opt: Add -W(no-)overlength-strings.
9700 * doc/invoke.texi: Document it.
9701 * c-opts.c (c_common_handle_option): -pedantic implies
9702 -Woverlength-strings, if not explicitly disabled already.
9703 (c_common_post_options): -Woverlength-strings defaults to off, and
9704 is always off for C++.
9705 * c-common.c (fix_string_type): Issue warning about strings longer
9706 than is portable only if warn_overlength_strings. Rearrange code
9707 a little for clarity.
9708 * configure.in: Check for -Wno-overlength-strings as well before
9709 enabling -pedantic in stage 1.
9710 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9711 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9712
9713 * genconditions.c (write_header, write_one_condition)
9714 (write_conditions, write_writer): Consolidate very long strings
9715 that were broken up to fit in C89 portable limit. Don't use
9716 printf when fputs will do.
9717
9718 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9719
9720 * combine.c (simplify_comparison <AND>): Check
9721 TRULY_NOOP_TRUNCATION before start using a subreg.
9722
9723 * config/mips/mips.md (*branch_zero<mode>,
9724 *branch_zero<mode>_inverted, *branch_equality<mode>,
9725 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9726 Remove mode check from comparisons.
9727
9728 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9729
9730 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9731
9732 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9733
9734 * expmed.c (const_mult_add_overflow_p): Remove.
9735 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9736
9737 * recog.c (validate_replace_rtx_subexp): Remove.
9738 * recog.h: Remove the prototype for
9739 validate_replace_rtx_subexp.
9740
9741 * integrate.h: Remove the prototype for
9742 copy_decl_for_inlining.
9743 * rtl.h: Remove the prototype for mark_constant_function.
9744 * tree-vectorizer.h: Remove the prototype for
9745 vect_strip_conversion.
9746
9747 * modulo-sched.c (create_partial_schedule,
9748 free_partial_schedule, reset_partial_schedule): Make them
9749 static.
9750
9751 * hooks.c (hook_bool_rtx_int_false): Remove.
9752 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9753
9754 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9755
9756 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9757 and -mlong-double-128 are incompatible.
9758 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9759 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9760 (TARGET_LIBGCC2_CFLAGS): Define.
9761 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9762 (TARGET_LIBGCC2_CFLAGS): Same.
9763 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9764
9765 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9766
9767 PR c/19606.
9768 * c-typeck.c (build_binary_op): Perform implicit casts of
9769 operands before shortening them.
9770
9771 * cfgloopmanip.c (split_loop_bb): Remove.
9772 * cfgloop.h: Remove the prototype for split_loop_bb.
9773
9774 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9775 * cfgloop.h: Remove the prototype for
9776 flow_loop_outside_edge_p.
9777
9778 * emit-rtl.c (init_virtual_regs): Make it static.
9779 * function.h: Remove the prototype for init_virtual_regs.
9780
9781 * recog.c (peephole2_optimize): Make it static.
9782 * recog.h: Remove the prototype for peephole2_optimize.
9783
9784 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9785
9786 * df-scan.c (df_record_entry_block_defs): Check if
9787 INCOMING_RETURN_ADDR_RTX is defined.
9788
9789 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9790 Kenneth Zadeck <zadeck@naturalbridge.com>
9791
9792 PR rtl-optimization/24762
9793 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9794 * targhooks.c (hook_void_bitmap): New hook prototype.
9795 * targhoohs.h (hook_void_bitmap): Ditto.
9796 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9797 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9798 * target.h (live_on_entry): New function pointer.
9799 * df-scan.c (df_all_hard_regs): Removed.
9800 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9801 (df_scan_free_internal): Added df->entry_block_defs.
9802 (df_scan_alloc): Ditto.
9803 (df_scan_dump): Ditto.
9804 (df_uses_record): Plumbed flag field properly thru calls.
9805 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9806 This part fixes PR24762.
9807 (df_bb_refs_record): Added code to make the frame and arg
9808 pointers live in EH blocks.
9809 (df_refs_record): Added call to df_record_entry_block_defs.
9810 (df_record_entry_block_defs): New function.
9811 * df-core.c: Added comments to describe new artifical defs.
9812 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9813 (entry_block_defs): New field in struct df.
9814 (df_all_hard_regs): Deleted.
9815 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9816 * df-problems.c (df_ru_bb_local_compute_process_def):
9817 Added code to handle artifical defs in the entry to a function.
9818 (df_ru_bb_local_compute): Ditto.
9819 (df_rd_bb_local_compute_process_def): Ditto.
9820 (df_rd_bb_local_compute): Ditto.
9821 (df_lr_bb_local_compute): Ditto.
9822 (df_ur_bb_local_compute): Ditto.
9823 (df_urec_bb_local_compute): Ditto.
9824 (df_chain_create_bb): Ditto.
9825 (df_ur_local_finalize): Removed entry.
9826 (df_urec_init): Ditto.
9827 (df_urec_local_finalize): Ditto.
9828 (df_ri_bb_compute): Added detection of last use of pseudos.
9829 * Makefile.in (df-scan.o): Updated dependencies.
9830 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9831 * config/mips/mips.c (mips_set_live_on_entry): Added.
9832 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9833 for target hook.
9834 * dce.c (marked_insn_p): Added code to handle artifical defs.
9835
9836 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9837
9838 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9839 intrinsic.
9840 (_mm_cvtsi128_si64): Likewise.
9841 (_mm_cvtsd_si64): Likewise.
9842 (_mm_cvttsd_si64): Likewise.
9843 (_mm_cvtsi64_sd): Likewise.
9844 (_mm_cvtsi64_si128): Likewise.
9845 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9846 (_mm_cvtsi64_m64): Likewise.
9847 (_m_to_int64): Likewise.
9848 (_mm_cvtm64_si64): Likewise.
9849 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9850 (_mm_cvttss_si64): Likewise.
9851 (_mm_cvtsi64_ss): Likewise.
9852 (_mm_cvtss_f32): Likewise.
9853
9854 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9855
9856 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9857 for pragma redefine_extname.
9858
9859 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9860
9861 PR target/25864
9862 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9863 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9864 -mno-minimal-toc to previous content.
9865 (bispecs): Remove goal.
9866 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9867 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9868 compatibility aliases on powerpc-*-*gnu*.
9869 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9870 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9871 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9872 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9873 (ldblspecs): New goal.
9874 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9875 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9876 _df_to_tf.
9877 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9878 L_sf_to_tf or L_df_to_tf is defined.
9879
9880 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9881 Alan Modra <amodra@bigpond.net.au>
9882
9883 PR target/25864
9884 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9885 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9886 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9887 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9888 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9889 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9890 (rs6000_override_options): Initialize rs6000_ieeequad.
9891 Initialize TFmode format to ibm_extended_format if not
9892 TARGET_IEEEQUAD.
9893 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9894 ieeelongdouble.
9895 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9896 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9897 (function_arg_advance): IBM long double passed in two FPRs, not
9898 split.
9899 (function_arg): IBM long double passed in FPRs.
9900 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9901 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9902 Only multireg GPR aligned.
9903 (rs6000_init_libfuncs): Enable IBM long double functions if not
9904 IEEEQUAD.
9905 (rs6000_generate_compare): Use IBM long double compare if not
9906 TARGET_IEEEQUAD.
9907 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9908 (TARGET_IEEEQUAD): Define.
9909 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9910 not TARGET_IEEEQUAD.
9911 * config/rs6000/rs6000.md: Enable TFmode patterns if
9912 !TARGET_IEEEQUAD.
9913 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9914 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9915 and -mlong-double-128 are incompatible.
9916 * doc/invoke.texi (-mabi): Collect options together. Add
9917 ibmlongdouble and ieeelongdouble.
9918
9919 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9920
9921 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9922 opaque type.
9923 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9924 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9925 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9926 * rtl.h (rtunion_def): Remove rt_ptr.
9927 (X0PTR): Delete.
9928 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9929 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9930 * config/i386/winnt.c (i386_pe_mark_dllexport)
9931 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9932
9933 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9934
9935 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9936
9937 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9938
9939 PR other/24829
9940 PR target/24831
9941 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9942 pthread_key_delete. From John David Anglin. gthrw-ify
9943 pthread_getunique_np only if it it's not a macro. Delete
9944 UNUSED macro.
9945 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9946 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9947 __gthread_objc_condition_signal, __gthread_key_delete): Add
9948 "__attribute__ ((__unused__))" to unused arguments.
9949 (__gthread_recursive_mutex_init_function): Add missing return.
9950 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9951 gthr-posix95.h: Use macro-based approach for name redirection
9952 on targets missing weakref.
9953
9954 2006-01-26 Zack Weinberg <zackw@panix.com>
9955
9956 * genconditions.c (write_header): In generated code, #ifdef out
9957 all includes and fake declarations, except includes of bconfig.h
9958 and system.h, unless GCC_VERSION >= 3001. Do not include
9959 gensupport.h in any case.
9960 (write_conditions): Generate a definition of struct c_test. Add
9961 a comment to the generated #endif.
9962 (write_one_condition): Escape backslashes in string too.
9963 (write_writer): Generated code must escape backslashes and quote
9964 marks (but not newlines) in the strings it writes.
9965 * Makefile.in (build/gencondmd.o): Update dependencies.
9966
9967 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9968
9969 PR target/25961
9970 * Makefile.in (insn-automata.o): Add header file dependencies.
9971 * genautomata.c: Add includes.
9972
9973 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9974
9975 PR target/25961
9976 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9977
9978 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9979
9980 * configure.ac: Expect target tools paths to be passed from the toplevel
9981 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9982 AS_SET_VAR_IF.
9983 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9984
9985 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9986
9987 PR c/25892
9988 * c.opt (Wpointer-sign): Init to -1.
9989 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9990 OPT_pedantic, to 0 otherwise.
9991 * doc/invoke.texi: Update.
9992
9993 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9994
9995 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9996 constants provided by 80387 instructions in the destination mode.
9997
9998 2006-01-26 Richard Guenther <rguenther@suse.de>
9999 Andrew Pinski <pinskia@physics.uc.edu>
10000
10001 PR tree-opt/21470
10002 partial PR tree-opt/17064
10003 * tree-ssa-structalias.c (intra_create_variable_infos):
10004 Create heap variables for incoming parameters if
10005 flag_argument_noalias > 1.
10006 (find_what_p_points_to): Look through default defs of
10007 parameter decls.
10008
10009 2006-01-26 Jeff Law <law@redhat.com>
10010
10011 PR ada/25900
10012 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10013 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10014 within the VR_RANGE, use the VR_RANGE as the result, not the
10015 VR_ANTI_RANGE.
10016 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10017 bounds for the type.
10018
10019 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10020
10021 * tree-ssa-alias.c (maybe_create_global_var): Change
10022 subvar walking to an assertion that we don't have subvar'd variables.
10023
10024 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10025
10026 PR C/25861
10027 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10028 Use a new variable, inner. PARM_DECLs are always non-weak.
10029
10030 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10031
10032 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10033 --disable-checking.
10034
10035 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10036
10037 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10038
10039 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10040
10041 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10042 (smax_insn, smin_insn, smax_0, smin_0): New.
10043
10044 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10045
10046 PR target/25947
10047 * config/cris/cris.c (cris_order_for_addsi3): New function.
10048 * config/cris/cris-protos.h: Prototype it.
10049 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10050 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10051 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10052 (split for "op.S1 [rx=rx+i],ry (swapped)")
10053 (split for "op(s|u).S1 [rx=rx+i],ry")
10054 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10055 Apply cris_order_for_addsi3 when generating addsi3 insns.
10056
10057 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10058
10059 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10060 (TREE_BLOCK): Add call to EXPR_CHECK.
10061
10062 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10063
10064 PR 25886
10065 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10066 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10067 (dump_omp_clauses): ... here.
10068 (dump_generic_node): Handle OMP_CLAUSE.
10069 * tree.c (omp_clause_num_ops): New.
10070 (omp_clause_code_name): New.
10071 (tree_code_size): Handle OMP_CLAUSE.
10072 (tree_size): Likewise.
10073 (make_node): Document handling of OMP_CLAUSE.
10074 (tree_node_structure): Handle OMP_CLAUSE.
10075 (omp_clause_check_failed): New.
10076 (omp_clause_range_check_failed): New.
10077 (omp_clause_operand_check_failed): New.
10078 (build_omp_clause): New.
10079 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10080 * tree.h (enum omp_clause_code): Declare.
10081 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10082 (OMP_CLAUSE_RANGE_CHECK): Define.
10083 (OMP_CLAUSE_ELT_CHECK): Define.
10084 (omp_clause_check_failed): Declare.
10085 (omp_clause_operand_check_failed): Declare.
10086 (omp_clause_range_check_failed): Declare.
10087 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10088 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10089 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10090 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10091 (OMP_CLAUSE_IF_EXPR): Likewise.
10092 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10093 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10094 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10095 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10096 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10097 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10098 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10099 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10100 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10101 (OMP_CLAUSE_CODE): Define.
10102 (OMP_CLAUSE_SET_CODE): Define.
10103 (OMP_CLAUSE_CODE): Define.
10104 (OMP_CLAUSE_OPERAND): Define.
10105 (struct tree_omp_clause): Declare.
10106 (union tree_node): Add field 'omp_clause'.
10107 * treestruct.def (TS_OMP_CLAUSE): Define.
10108 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10109 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10110 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10111 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10112 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10113 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10114 (OMP_CLAUSE): Define.
10115 * print-tree.c (print_node): Handle OMP_CLAUSE.
10116 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10117 * c-typeck.c: Likewise.
10118 * gimplify.c: Likewise.
10119 * c-omp.c: Likewise.
10120 * tree-nested.c: Likewise.
10121 * tree-inline.c: Likewise.
10122 * c-parser.c: Likewise.
10123 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10124 clauses.
10125
10126 2006-01-25 Roger Sayle <roger@eyesopen.com>
10127
10128 PR rtl-optimization/25703
10129 * combine.c (try_combine): Handle zero_extract and strict_low_part
10130 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10131
10132 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10133
10134 * global.c: Fix comment typos.
10135
10136 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10137
10138 PR target/25758
10139 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10140 Use output_addr_const instead of assemble_name.
10141
10142 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10143
10144 * Makefile.in (sched-vis.o): Update dependencies.
10145 * haifa-sched.c (sched_finish): Clear current_sched_info.
10146 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10147 (dump_flow_info): Call it.
10148 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10149 a slim RTL dump.
10150 * basic-block.h (dump_bb_info): Declare.
10151 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10152 option, and apply options only for dump files whose TDF_RTL,
10153 TDF_TREE, or TDF_IPA bits match.
10154 * rtl.h: Declare new functions exported from sched-vis.c.
10155 * sched-vis.c: Enable also if scheduling is not used.
10156 (print_value): Print the mode of registers if not inside scheduling.
10157 (print_insn): Make it work outside the scheduler. Beautify the output
10158 a bit.
10159 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10160
10161 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10162
10163 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10164 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10165 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10166 depending on the value of CONSTANT_POOL_ADDRESS_P.
10167 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10168 SYMBOL_REF_DECL.
10169 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10170 rather than SYMBOL_REF_DECL.
10171 (rtx_constant_pool): Remove const_rtx_sym_htab.
10172 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10173 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10174 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10175 Remove handling of const_rtx_sym_htab.
10176 (find_pool_constant): Delete.
10177 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10178 rather than find_pool_constant.
10179 (get_pool_constant_for_function): Delete.
10180 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10181 find_pool_constant.
10182 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10183 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10184 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10185 (SYMBOL_REF_CONSTANT): New macro.
10186 (get_pool_constant_for_function): Delete.
10187 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10188 rather than SYMBOL_REF_DECL.
10189 (i386_pe_mark_dllimport): Likewise.
10190 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10191 rather than SYMBOL_REF_DECL.
10192 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10193 (machopic_indirect_call_target): Likewise.
10194
10195 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10196
10197 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10198
10199 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10200
10201 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10202
10203 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10204
10205 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10206
10207 2006-01-24 David Daney <ddaney@avtrex.com>
10208
10209 PR java/25816
10210 * configure.ac (enable_tls): New enable option.
10211 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10212 * configure: Regenerate.
10213 * doc/install.texi (--enable-tls): Document new option.
10214 (--disable-tls): Ditto.
10215
10216 2006-01-24 Richard Henderson <rth@redehat.com>
10217
10218 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10219 * alias.c (true_dependence): Respect it.
10220 (canon_true_dependence, write_dependence_p): Likewise.
10221 * builtins.c (get_builtin_sync_mem): Set it.
10222
10223 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10224
10225 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10226 efficient way.
10227
10228 2006-01-24 DJ Delorie <dj@redhat.com>
10229
10230 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10231 for storing constants in single-bit bitfields.
10232
10233 2006-01-25 Ben Elliston <bje@au.ibm.com>
10234
10235 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10236
10237 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10238
10239 PR tree-opt/25860
10240 * tree-ssa-pre.c (phi_translate): Return NULL
10241 for AGGREGATE_TYPE's.
10242
10243 2006-01-24 Zack Weinberg <zackw@panix.com>
10244
10245 * genautomata.c (process_state_for_insn_equiv_partition):
10246 Use xcalloc for insn_arcs_array.
10247 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10248 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10249
10250 2006-01-24 Richard Henderson <rth@redhat.com>
10251
10252 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10253 update all callers.
10254
10255 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10256
10257 PR rtl-optimization/25890
10258 PR rtl-optimization/25905
10259 * combine.c (expand_compound_operation, expand_field_assignment):
10260 Fail if the bitfield's final position is out of bounds.
10261
10262 2006-01-24 Ian Lance Taylor <ian@airs.com>
10263
10264 PR middle-end/25930
10265 * cgraphunit.c (cgraph_output_in_order): Don't clear
10266 cgraph_asm_nodes until after asm strings have been output.
10267
10268 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10269
10270 * fix-header.c (read_scan_file): Add new parameter imultilib when
10271 calling register_include_chains.
10272
10273 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10274
10275 * omp-low.c: Update documentation.
10276
10277 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10278 Daniel Berlin <dberlin@dberlin.org>
10279
10280 PR tree-opt/25315
10281 PR tree-opt/25857
10282 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10283 return from the function.
10284
10285 2006-01-22 Zack Weinberg <zackw@panix.com>
10286
10287 * rtl.def (match_code): Add second argument.
10288 * genpreds.c (write_extract_subexp): New function.
10289 (write_match_code): Add path argument. Use write_extract_subexp.
10290 (write_predicate_expr): Pass path to write_match_code.
10291 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10292 not perform a mode test.
10293 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10294 a subexpression does not constrain the top-level code set.
10295 * read-rtl.c (read_rtx_variadic): New function.
10296 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10297 * doc/md.texi: Document new notation.
10298 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10299 (cmpsi_operand): ... here, using new notation.
10300
10301 2006-01-22 Zack Weinberg <zackw@panix.com>
10302
10303 * varray.c: Remove GENERATOR_FILE #ifdefs.
10304
10305 2006-01-22 Zack Weinberg <zackw@panix.com>
10306
10307 * genautomata.c (output_reserved_units_table): Emit nothing if
10308 description->query_units_num is zero. Remove extra blank line.
10309 (output_cpu_unit_reservation_p): Short circuit
10310 if description->query_units_num is zero.
10311
10312 2006-01-22 Zack Weinberg <zackw@panix.com>
10313
10314 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10315 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10316 nor any of the random handful of variables that used to be necessary
10317 when this program was linked with rtlanal.o. Prune set of forward
10318 function declarations.
10319 (struct attr_desc): Remove static_p field.
10320 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10321 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10322 (attr_string): Do not read the character one past the length of
10323 the string.
10324 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10325 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10326 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10327 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10328 (make_automaton_attrs): New.
10329 (main): Do not call into genautomata. Call local gen_bypass
10330 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10331 Remove special case for insn_alts.
10332 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10333 varray.h (leftover from previous change). Prune set of forward
10334 function declarations. Remove state_alts fields from all
10335 structures. Remove state_alts_table from struct automaton.
10336 Make everything except main static. Do not maintain num_dfa_decls.
10337 Do not maintain state_alts fields of various structures.
10338 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10339 (add_arc): Remove state_alts argument. All callers updated.
10340 (output_reserved_units_table): Emit #ifdef here...
10341 (output_tables): ...not here. Don't generate state_alts tables.
10342 (expand_automata): Don't generate attributes.
10343 (write_automata): Don't generate state_alts functions.
10344 (main): New function.
10345 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10346 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10347 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10348 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10349 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10350 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10351 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10352 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10353 Delete.
10354 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10355 * genattrtab.h: Delete file.
10356 * Makefile.in (OBJS-common): Add insn-automata.o.
10357 (insn-automata.o): New rule.
10358 (simple_generated_c): Add insn-automata.c.
10359 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10360 (genprogmd): Add automata.
10361 (build/genattrtab): Needs no extra objects nor libraries.
10362 (build/genautomata): Needs build/vec.o and -lm.
10363
10364 2006-01-22 Zack Weinberg <zackw@panix.com>
10365
10366 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10367 (output_dfa_max_issue_rate, locked_states_num): Delete.
10368 (struct automaton): Add locked_states field.
10369 (output_dead_lock_vect): Save number of locked states in
10370 automaton->locked_states. If it is zero, don't print anything.
10371 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10372 (output_internal_dead_lock_func): Only test the dead_lock_vect
10373 for automata that have locked states.
10374 (output_statistics): Always print the number of locked states for
10375 each automaton. Calculate total number of locked states here.
10376 (write_automata): Don't call output_dfa_max_issue_rate.
10377 * genattrtab.c: Define length_unit_log as a const variable.
10378 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10379 max_insn_queue_index const.
10380 * final.c (length_unit_log): Declare const.
10381 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10382
10383 2006-01-22 Zack Weinberg <zackw@panix.com>
10384
10385 * genautomata.c: Include vec.h, not varray.h.
10386 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10387 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10388 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10389 VEC_* macros operating on appropriately typed vectors, or to
10390 malloced arrays when the size is known in advance. Const-ify
10391 many char* variables and function arguments. No functional changes.
10392 * Makefile.in (build/varray.o): Delete rule.
10393 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10394 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10395
10396 2006-01-22 Zack Weinberg <zackw@panix.com>
10397
10398 * gensupport.c: Define get_insn_name and record_insn_name here.
10399 (read_md_rtx): Call record_insn_name as appropriate.
10400 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10401 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10402 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10403 record_insn_name.
10404 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10405 (BUILD_VARRAY): Delete.
10406 (genprognormal): Rename genprogmd. Fold in all programs from
10407 genprognoprint; also attrtab.
10408 (build/genattrtab): Just mention genautomata.o and varray.o.
10409 Reorganize a bit, add comments to make the categories clearer.
10410
10411 2006-01-22 Zack Weinberg <zackw@panix.com>
10412
10413 * genconditions.c (condition_table, add_condition): Delete.
10414 (write_conditions): Don't emit n_insn_conditions nor
10415 insn_elision_unavailable. Issue the gcc version #ifdef here,
10416 inside the table, with no #else clause ...
10417 (write_header): ...not here.
10418 (write_writer): New function.
10419 (main): Don't initialize condition_table. Use add_c_test.
10420 Call write_writer.
10421 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10422 files on the command line.
10423 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10424 Return -1 if there is no entry in the table, don't abort.
10425 (add_c_test, traverse_c_tests): New functions.
10426 * gensupport.h (insn_elision_unavailable, insn_conditions)
10427 (n_insn_conditions): Delete declarations.
10428 (add_c_test, traverse_c_tests): Declare.
10429 * read-rtl.c: Include gensupport.h.
10430 (read_conditions): New function.
10431 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10432 (read_rtx_1): If we get EOF when we were looking for an initial
10433 open paren, return 0. Call read_conditions when appropriate.
10434 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10435 dummy-conditions.o. Eliminate references to insn-conditions.o,
10436 or change them to build/gencondmd.o, as appropriate. Remove
10437 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10438 from $(simple_generated_c). For all files remaining in those
10439 two lists, add insn-conditions.md to the generator command line.
10440 Give insn-constants.h/s-constants their own rules. Add rules
10441 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10442 (build/read-rtl.o): Depend on gensupport.h.
10443 (genprognormal): Include preds.
10444 (genprogearly): Rename genprognoprint; only difference is now that
10445 they don't link with $(BUILD_PRINT).
10446 * dummy-conditions.c: Delete.
10447
10448 2006-01-22 Zack Weinberg <zackw@panix.com>
10449
10450 * genextract.c: Don't include insn-config.h. Do include vec.h.
10451 Declare vectors of int, char, and locstr.
10452 (locstr): New typedef.
10453 (struct extraction): Make all array fields into bare pointers.
10454 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10455 (insn_code_number): Delete.
10456 (accum_extract): New struct.
10457 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10458 (gen_insn): Take insn_code_number as an argument. Use an
10459 accum_extract structure instead of loading data directly into
10460 a struct extraction, and having to know how big it might get.
10461 (walk_rtx): Operate entirely on an accum_extract structure.
10462 (print_path): Avoid unnecessary use of printf.
10463 (print_header): New function, split out of main. Distinguish
10464 more carefully between an unrecognizable insn and an insn that
10465 has the code number of a define_expand.
10466 (main): Pass insn_code_number to gen_insn. Call print_header
10467 only after parsing. Avoid unnecessary use of printf.
10468 * Makefile.in (build/vec.o): New rule.
10469 (build/genextract): Depend on build/vec.o.
10470 (build/genextract.o): Don't depend on insn-config.h.
10471
10472 2006-01-22 Zack Weinberg <zackw@panix.com>
10473
10474 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10475 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10476 practical. Eliminate per-generator-program link rules.
10477
10478 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10479
10480 PR middle-end/24437
10481 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10482 with a call expr to ...
10483 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10484
10485 2006-01-23 Richard Guenther <rguenther@suse.de>
10486
10487 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10488 before make_edge with conditional EDGE_TRUE_VALUE.
10489
10490 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10491 Jan Hubicka <jh@suse.cz>
10492 Richard Guenther <rguenther@suse.de>
10493
10494 PR rtl-optimization/25654
10495 * cfgexpand.c (aggregate_contains_union_type): New function.
10496 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10497 for structure variables that contain a union type.
10498
10499 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10500
10501 * gengtype.c (new_structure): Return the structure.
10502 (create_option): Add an extra "next" argument.
10503 (create_field): New function.
10504 (adjust_field_rtx_def): Use create_option and create_field.
10505 Remove a now-unnecessary call to find_structure.
10506 (adjust_field_tree_def): Likewise.
10507 (note_yacc_type): Remove an unnecessary call to find_structure.
10508 * gengtype.h (new_structure): Return the structure.
10509 (create_option): Add an extra argument.
10510 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10511 (option): Adjust calls to create_option.
10512
10513 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10514
10515 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10516
10517 2006-01-22 Paul Brook <paul@codesourcery.com>
10518 Peter Barada <peter@the-baradas.com>
10519
10520 * config/m68k/m68k.md: Add Coldfire FPU support.
10521 Define FP mode macro and associated attributes.
10522 Use it for float mode patterns.
10523 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10524 (LIBCALL_VALUE): Use m68k_libcall_value.
10525 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10526 (m68k_function_value): Ditto.
10527 (emit_move_sequence): Ditto.
10528 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10529 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10530 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10531 (MULTILIB_EXCEPTIONS): Ditto.
10532 * config/m68k/m68k.opt: Add mcfv4e.
10533 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10534 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10535 (m68k_output_function_prologue): Save ColdFire FPU registers.
10536 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10537 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10538 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10539 ColdFire FPU registers.
10540 (m68k_libcall_value, m68k_function_value): New functions.
10541 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10542 (LIBCALL_VALUE): Use m68k_libcall_value.
10543 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10544 (MASK_COLDFIRE): Add MASK_CFV4E.
10545 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10546 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10547 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10548 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10549 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10550 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10551 * doc/invoke.tex: Document -mcfv4e on m68k.
10552
10553 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10554
10555 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10556 URL.
10557
10558 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10559
10560 PR c++/16190
10561 * c-opts.c (c_common_handle_option): Don't include
10562 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10563 * doc/invoke.texi (C++ Dialect Options): Document that
10564 -Wnon-virtual-dtor is no longer included in -Wall.
10565
10566 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10567
10568 * gcov.c (print_version), gcov-dump.c (print_version),
10569 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10570 dates.
10571
10572 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10573
10574 * df-scan.c (problem_SCAN): Added NULL reset function.
10575 (df_scan_reset_blocks): Added code to call reset block function
10576 (df_bb_refs_delete) Fixed comment.
10577 (df_insn_refs_delete): Made tolerant of deleting non existent info
10578 for dataflow problems that need to be reset.
10579 * df-core.c (df_set_blocks): Ditto.
10580 * df.h (struct df_problem): Added reset_fun.
10581 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10582 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10583 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10584 functions to clear out all references to def-use or use-def chains.
10585
10586 2006-01-21 Ben Elliston <bje@au.ibm.com>
10587
10588 * varasm.c (assemble_real): Initialise data array.
10589
10590 2006-01-20 Paul Brook <paul@codesourcery.com>
10591
10592 Merge from csl-arm-branch.
10593 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10594 * config/arm/arm.md (movdi): Force operands[1] to a register
10595 if we have a non-register source.
10596 (*arm_movdi, *movdf_soft_insn): Require that one of the
10597 operands be a register.
10598 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10599 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10600
10601 2006-01-20 DJ Delorie <dj@redhat.com>
10602
10603 * varasm.c (initializer_constant_valid_p): Allow pointers
10604 initialized from integer constants of lesser precision.
10605 (output_constant): Allow non-int-sized pointer modes to be
10606 initialized from integer constants.
10607
10608 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10609
10610 PR libstdc++/25524
10611 * cppdefault.h (struct default_include): Add multilib flag.
10612 * cppdefault.c (cpp_include_defaults): Set it.
10613 * c.opt (-imultilib): New option.
10614 * c-opts.c (imultilib): New.
10615 (c_common_handle_option): Handle -imultilib.
10616 (c_common_post_options): Likewise.
10617 * c-incpath.c (add_standard_paths, register_include_chains):
10618 Likewise.
10619 * c-incpath.h (register_include_chains): Add extra parameter.
10620 * gcc.c (do_spec_1): Generate -imultilib option.
10621 (The Specs Language): Update %I description.
10622 (process_command): Update copyright notice.
10623 * doc/cppopts.texi (-imultilib): Document.
10624 * doc/invoke.texi (-imultilib): Include in option summary.
10625 (%I): Update specs documentation.
10626
10627 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10628
10629 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10630
10631 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10632
10633 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10634 label numbers.
10635
10636 2006-01-20 Richard Guenther <rguenther@suse.de>
10637 Steven Bosscher <stevenb.gcc@gmail.com>
10638
10639 PR rtl-optimization/24626
10640 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10641 EDGE_TRUE_VALUE if in RTL mode.
10642
10643 Revert
10644 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10645 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10646
10647 2006-01-20 Dirk Mueller <dmueller@suse.com>
10648
10649 PR c++/5520
10650 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10651 instead of a special NOP marker.
10652 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10653 NOP marker handling.
10654 * c-common.h (empty_body_warning): Add forward declaration.
10655 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10656 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10657
10658 2006-01-20 Paul Brook <paul@codesourcery.com>
10659
10660 * Makefile.in (lang_checks): Keep going if mkdir fails.
10661
10662 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10663
10664 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10665 be able to clean out basic block when not necessary.
10666 (df_scan_free): Fixed to properly delete information if df is
10667 unused before calling df_finish.
10668 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10669 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10670 or comment typos.
10671 (df_bb_refs_delete): New function.
10672 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10673 * df-core.c (df_set_blocks): Added code to properly clean out
10674 unused blocks if they are not part of the blocks to consider.
10675 Added additional null check.
10676 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10677 be able to clean out basic block when not necessary
10678 * df.h (df_free_bb_function): Ditto.
10679 (df_bb_refs_delete): New function.
10680 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10681 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10682 basic block parameter to be able to clean out basic block when not
10683 necessary.
10684 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10685 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10686 Fixed to properly delete information if df is unused before
10687 calling df_finish.
10688
10689 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10690
10691 PR rtl-optimization/25799
10692 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10693 Corrected confluence operator to remove bits from op2 before oring
10694 with op1 rather than removing bits from op1.
10695 (df_ru_transfer_function): Corrected test on wrong bitmap which
10696 caused infinite loop. Both of these problems were introduced in
10697 the dataflow rewrite.
10698
10699 2006-01-19 DJ Delorie <dj@redhat.com>
10700
10701 * reload1.c (find_reload_regs): Note the details of reload
10702 failures in the dump file.
10703 (spill_failure): Likewise.
10704
10705 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10706
10707 * loop-iv.c: Include df.h and hashtab.h.
10708 (enum iv_grd_result): New enum.
10709 (DF_REF_IV, DF_REF_IV_SET): New macros.
10710 (struct biv_entry): New.
10711 (df, bivs): New global variables.
10712 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10713 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10714 Removed.
10715 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10716 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10717 analyzed_for_bivness_p, record_biv): New functions.
10718 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10719 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10720 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10721 UD chains.
10722 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10723 analysed.
10724 (iv_number_of_iterations): Use new interface to iv analysis.
10725 * loop-unroll.c: Do not include varray.h.
10726 (analyze_iv_to_split_insn): Use new interface to iv
10727 analysis.
10728 * loop-unswitch.c (may_unswitch_on): Ditto.
10729 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10730 allocated.
10731 (df_bb_modify): Realloc tables to the new index.
10732 (df_find_use): New function.
10733 * df.h (df_find_use): Declare.
10734 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10735 outmode.
10736 * cfgloop.h (struct rtx_iv): Remove analysed field.
10737 (iv_get_reaching_def): Removed.
10738 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10739 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10740 (loop-iv.o): Add df.h and hashtab.h dependency.
10741 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10742
10743 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10744
10745 PR target/25668
10746 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10747 Double TFmode.
10748 (__floatundisf, __floatundidf): Likewise.
10749 * libgcc2.h (IS_IBM_EXTENDED): Define.
10750
10751 2006-01-19 DJ Delorie <dj@redhat.com>
10752
10753 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10754
10755 2006-01-19 Paul Brook <paul@codesourcery.com>
10756
10757 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10758 as nothrow when unwinding tables are disabled.
10759
10760 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10761
10762 PR testsuite/25171
10763 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10764 of bit-field" when in system header.
10765
10766 2006-01-19 DJ Delorie <dj@redhat.com>
10767
10768 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10769 the 16 bit shift limit of the m16c.
10770
10771 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10772
10773 PR target/22099
10774 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10775 * config/i386/i386.c (output_set_got): Output the label if we have one
10776 for the TARGET_DEEP_BRANCH_PREDICTION case.
10777
10778 2006-01-19 Jan Hubicka <jh@suse.cz>
10779 H.J. Lu <hongjiu.lu@intel.com>
10780 Evandro Menezes <evandro.menezes@amd.com>
10781
10782 * invoke.texi (generic): Document
10783 (i686) Update.
10784 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10785 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10786 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10787 (x86_use_incdec, x86_pad_returns): New variables
10788 (TARGET_CPU_DEFAULT_generic): New constant
10789 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10790 (enum processor_type): Add generic32 and generic64.
10791 * i386.md (cpu attribute): Add generic32/generic64
10792 (movhi splitter): Behave sanely when both partial_reg_dependency and
10793 partial_reg_stall are set.
10794 (K8 splitters): Enable for generic as well.
10795 * predicates.md (incdec_operand): Use TARGET_INCDEC
10796 (aligned_operand): Avoid memory mismatch stalls.
10797 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10798 * ppro.md: Enable for generic32
10799 * i386.c (generic64_cost, generic32_cost): New.
10800 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10801 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10802 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10803 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10804 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10805 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10806 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10807 x86_accumulate_outgoing_args, x86_prologue_using_move,
10808 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10809 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10810 Enable for generic.
10811 (x86_use_incdec, x86_pad_returns): New.
10812 (override_options): Add generic32 and generic64, translate "generic"
10813 to generic32/generic64 and "i686" to "generic32", refuse
10814 "generic32"/"generic64" as arch target.
10815 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10816 (ix86_reorg): Honor PAD_RETURNS.
10817
10818 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10819
10820 * tree-pretty-print.c (dump_generic_node): Handle
10821 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10822 * cgraph.c (cgraph_expand_queue): Rename from
10823 cgraph_analyze_queue. Update all users.
10824 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10825 cgraph_expand_queue.
10826 (cgraph_expand_all_functions): Likewise.
10827 (cgraph_finalize_pending_functions): Remove. Update callers.
10828
10829 * tree.h (OMP_DIRECTIVE_P): Define.
10830 (OMP_PARALLEL_FN): Define.
10831 (OMP_PARALLEL_DATA_ARG): Define.
10832 (OMP_SECTIONS_SECTIONS): Define.
10833 * tree-pass.h (pass_expand_omp): Declare.
10834 * omp-low.c (struct omp_region): Declare.
10835 (struct omp_context): Remove fields 'parallel_type',
10836 'parallel_start_ix' and 'parallel_start_additional_args'.
10837 Update all users.
10838 (struct omp_for_data): Rename from struct expand_omp_for_data.
10839 (omp_regions): New static variable.
10840 (root_omp_region): New static variable.
10841 (find_omp_clause): Make static.
10842 (is_in_combined_parallel_ctx): Remove.
10843 (is_combined_parallel): New.
10844 (extract_omp_for_data): Move earlier in the file.
10845 (workshare_safe_to_combine_p): New.
10846 (get_ws_args_for): New.
10847 (determine_parallel_type): Move earlier in the file.
10848 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10849 child function.
10850 (omp_copy_decl): Likewise.
10851 (create_omp_child_function): Likewise.
10852 (lookup_omp_region): New.
10853 (dump_omp_region): New.
10854 (debug_omp_region): New.
10855 (debug_all_omp_regions): New.
10856 (new_omp_region): New.
10857 (scan_omp_parallel): If parallel_nesting_level > 1, the
10858 directive is nested within another parallel directive.
10859 Set OMP_PARALLEL_FN.
10860 (scan_omp_for): Do not try to handle combined parallel+for
10861 cases.
10862 Remove FIXME comment.
10863 (scan_omp_nested): Remove.
10864 (scan_omp_1): Do not call scan_omp_nested when
10865 parallel_nesting_level is > 1.
10866 Do not change the DECL_CONTEXT of local variables found.
10867 (lookup_decl_in_outer_ctx): New.
10868 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10869 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10870 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10871 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10872 If CTX is nested, lookup VAR in the outer context when
10873 building copy assignment.
10874 (lower_send_clauses): Rename from expand_send_clauses.
10875 If CTX is nested, lookup VAR in the outer context when
10876 building copy assignments.
10877 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10878 If CTX is nested, lookup VAR in the outer context when
10879 building copy assignments.
10880 (expand_parallel_call): Rename from build_parallel_call.
10881 Handle combined parallel+workshare cases.
10882 Re-implement to emit code into the CFG.
10883 (list2chain): New.
10884 (expand_omp_parallel): Re-implement to emit code into the CFG.
10885 Call move_sese_region_to_fn to outline the sub-graph
10886 containing the parallel region.
10887 (expand_omp_for_1): Remove.
10888 (expand_omp_for_generic): Re-implement to emit code into the
10889 CFG.
10890 (expand_omp_for_static_nochunk): Likewise.
10891 (expand_omp_for_static_chunk): Likewise.
10892 (expand_omp_for): Likewise.
10893 (expand_omp_sections): Likewise.
10894 (remove_exit_barriers): New.
10895 (expand_omp_synch): New.
10896 (expand_omp): New.
10897 (build_omp_regions_1): New.
10898 (build_omp_regions): New.
10899 (execute_expand_omp): New.
10900 (gate_expand_omp): New.
10901 (pass_expand_omp): Define.
10902 (lower_omp_sections): Rename from expand_omp_sections.
10903 Set OMP_SECTIONS_SECTIONS.
10904 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10905 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10906 (lower_omp_single): Rename from expand_omp_simple.
10907 (lower_omp_master): Rename from expand_omp_master.
10908 (lower_omp_ordered): Rename from expand_omp_ordered.
10909 (lower_omp_critical): Rename from expand_omp_critical.
10910 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10911 (lower_omp_for): Re-implement.
10912 (lower_omp_parallel): Re-implement.
10913 (lower_regimplify): Rename from expand_regimplify.
10914 (lower_omp_1): Rename from expand_omp_1.
10915 If there are syntax errors in the program, replace every
10916 OpenMP directive with NOP.
10917 Call lower_omp_* instead of expand_omp_*.
10918 (lower_omp): Rename from expand_omp.
10919
10920 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10921 * tree-gimple.h (enum omp_parallel_type): Remove.
10922 (gimple_boolify): Declare extern.
10923 (find_omp_clause, determine_parallel_type): Remove.
10924
10925 * gimple-low.c (lower_omp_directive): New.
10926 (lower_stmt): Call it.
10927 (record_vars_into): Move from ...
10928 (record_vars): ... here.
10929 Call record_vars_into with current_function_decl.
10930
10931 * gimplify.c (struct gimplify_ctx): Remove fields
10932 combined_pre_p and combined_ctxp. Update users.
10933 (get_formal_tmp_var): Add documentation.
10934 (gimple_boolify): Make extern.
10935 (gimplify_expr_in_ctx): Remove. Update callers.
10936 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10937 will always be a BIND_EXPR.
10938 (gimplify_expr): Handle OMP_RETURN_EXPR.
10939 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10940 (OMP_PARALLEL): Add 3 operands.
10941 (OMP_SECTIONS): Add 1 operand.
10942 (OMP_RETURN_EXPR): Define.
10943
10944 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10945 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10946 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10947 creating a circular free list.
10948 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10949
10950 * tree-flow.h (move_sese_region_to_fn): Declare.
10951 (record_vars_into): Declare.
10952 * tree-cfg.c (make_omp_sections_edges): New.
10953 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10954 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10955 OMP_SECTIONS and OMP_SECTION.
10956 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10957 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10958 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10959 (gather_blocks_in_sese_region): New.
10960 (struct move_stmt_d): Declare.
10961 (move_stmt_r): New.
10962 (move_block_to_fn): New.
10963 (move_sese_region_to_fn): New.
10964
10965 * passes.c (init_optimization_passes): Schedule
10966 pass_expand_omp after pass_init_datastructures.
10967
10968 * tree-ssa-operands.c (get_expr_operands): Handle
10969 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10970 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10971
10972 2006-01-19 Jeff Law <law@redhat.com>
10973
10974 * tree-vrp.c (extract_range_from_assert): Refine the result range
10975 if the variable referenced by the ASSERT_EXPR has a range and
10976 either the tentative result range or the previous range is a
10977 VR_ANTI_RANGE.
10978
10979 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10980
10981 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10982
10983 2006-01-19 Jan Hubicka <jh@suse.cz>
10984
10985 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10986
10987 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10988
10989 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10990 (expand_compound_operation, expand_field_assignment): Fail if the
10991 bit lengths of an extract operation are out of range.
10992 (make_extraction): Compute wanted_inner_mode based on the position
10993 and length of the extraction. Make it extraction_mode for non-constant
10994 positions, and do not modify offset in that case. When generating a
10995 new MEM, use a mode that can hold the extraction while keeping correct
10996 alignment. Remove code that supported MEMs wrapped by USEs.
10997 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10998
10999 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11000
11001 * config/s390/s390.md ("Y", "y"): New mode attribute.
11002 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11003 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11004 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11005 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11006 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11007 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11008 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11009 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11010 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11011 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11012 "addsi3", "subsi3"): Insn patterns removed.
11013 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11014 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11015 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11016 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11017 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11018 "*sub<mode>3_cconly2"): New insn patterns.
11019 ("addsi3", "subsi3"): New expanders.
11020
11021 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11022
11023 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11024 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11025 existing STMT_VINFO_VECTYPE if available.
11026 (vect_mark_relevant): Add special handling for stmts that are
11027 marked as STMT_VINFO_IN_PATTERN_P.
11028 (vect_analyze_loop): Call vect_pattern_recog.
11029 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11030 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11031 stmt_info.
11032 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11033 (vect_recog_func_ptr): New function-pointer type.
11034 * tree-vect-patterns.c: New file.
11035 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11036 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11037 (vect_pattern_recog_1): New functions.
11038 (vect_pattern_recog_funcs): New array of function pointers.
11039
11040 * tree-vectorizer.h (ternary_op): New enum value.
11041 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11042 declaration. Revised documentation. Removed redundant dump prints.
11043 Removed redundant argument. Added support for reduction patterns.
11044 (vectorizable_reduction): Added support for reduction patterns.
11045 (vect_transform_stmt): Added support for patterns.
11046
11047 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11048 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11049 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11050 (expand_widen_pattern_expr): New function.
11051 (init_optabs): Initialize new optabs udot_prod_optab,
11052 sdot_prod_optab.
11053 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11054 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11055 (expand_widen_pattern_expr): New function declaration.
11056 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11057 tree-codes.
11058 * tree-inline.c (estimate_num_insns_1): Added cases for new
11059 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11060 * tree-pretty-print.c (dump_generic_node): Likewise.
11061 (op_prio): Likewise.
11062 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11063 * tree-ssa-operands.c (get_expr_operands): Added case for
11064 DOT_PROD_EXPR.
11065 * tree-vect-patterns.c (widened_name_p): New function.
11066 (vect_recog_dot_prod_pattern): Added function implementation.
11067 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11068 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11069 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11070 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11071
11072 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11073 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11074 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11075 (init_optabs): Initialize new optabs widen_ssum_optab,
11076 widen_usum_optab.
11077 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11078 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11079 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11080 use instead of type of def.
11081 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11082 function implementation.
11083 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11084 widen_ssumv8hi): New.
11085
11086 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11087 patterns.
11088
11089 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11090
11091 PR c/25805
11092 * c-decl.c (add_flexible_array_elts_to_size): New function.
11093 (finish_decl): Use it.
11094
11095 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11096
11097 * diagnostic.h: Include options.h.
11098 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11099 dependancies for diagnostic.h.
11100 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11101
11102 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11103
11104 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11105 (ssa_ro_call_cache_valid): Ditto.
11106 * tree-ssa-alias.c (sort_tags_by_id): New function.
11107 (init_transitive_clobber_worklist): Ditto.
11108 (add_to_worklist): Ditto.
11109 (mark_aliases_call_clobbered): Ditto.
11110 (compute_tag_properties): Ditto.
11111 (set_initial_properties): Ditto.
11112 (compute_call_clobbered): Ditto.
11113 (compute_may_aliases): Call compute_call_clobbered and grouping.
11114 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11115 (compute_flow_insensitive_aliasing): Grouping now happens in our
11116 caller.
11117 (setup_pointers_and_addressables): Remove clobbering related code.
11118 (add_may_alias): Ditto.
11119 (replace_may_alias): Ditto.
11120 (get_nmt_for): Ditto.
11121 (create_global_var):
11122 (is_escape_site): Return an escape_type enumeration.
11123 * tree-flow-inline.h (is_call_clobbered): Global var does not
11124 imply call clobbered.
11125 (mark_call_clobbered): Take a reason for marking this. Remove
11126 marking of globalness, and cache invalidation.
11127 (clear_call_clobbered): Remove cache invalidation code.
11128 * tree-dfa.c (dump_variable): If details is on, dump the reason
11129 for escaping.
11130 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11131 variable.
11132 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11133 (struct var_ann_d): Ditto.
11134 (enum escape_type): New.
11135 (mark_call_clobbered): Adjust prototype.
11136 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11137 are never call clobbered.
11138 Record reasons for escaping.
11139 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11140 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11141 (ssa_ro_call_cache_valid): Ditto.
11142 (clobbered_v_may_defs): Ditto.
11143 (clobbered_vuses): Ditto.
11144 (ro_call_vuses): Ditto.
11145 (clobber_stats): New.
11146 (init_ssa_operands): Zero out clobber stats.
11147 (fini_ssa_operands): Print out clobber stats.
11148 (get_call_expr_operands): Pass callee fndecl to
11149 add_call_read_ops).
11150 (add_call_clobber_ops): Remove use of cache.
11151 Add use of PURE_CONST information.
11152 (add_call_read_ops): Remove use of cache.
11153 Add use of static not_read information.
11154
11155 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11156
11157 Introduce TLS descriptors for i386 and x86_64.
11158 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11159 (TARGET_ANY_GNU_TLS): New macro.
11160 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11161 (struct machine_function): Add tls_descriptor_call_expanded_p.
11162 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11163 (ix86_current_function_calls_tls_descriptor): Likewise.
11164 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11165 (override_options): Introduce gnu2 tls dialect.
11166 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11167 not leaves.
11168 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11169 Likewise.
11170 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11171 (ix86_init_machine_status): Initialize new field.
11172 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11173 (ix86_tls_module_base): New.
11174 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11175 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11176 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11177 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11178 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11179 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11180 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11181 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11182 * config/i386/predicates.md (tls_modbase_operand): New.
11183 (tp_or_register_operand): New.
11184
11185 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11186
11187 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11188 (look_for_address_of): Ditto.
11189 (ipa_init): Walk the function decls.
11190 (static_execute): Don't set readonly on FUNCTION_DECL's.
11191
11192 2006-01-18 Roger Sayle <roger@eyesopen.com>
11193
11194 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11195 for shifts where the source and destination registers are different.
11196
11197 2006-01-18 Paul Brook <paul@codesourcery.com>
11198
11199 Merge from csl-arm-branch.
11200 2005-03-14 Julian Brown <julian@codesourcery.com>
11201 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11202 (aeabi_llsl): Likewise.
11203 (ashrdi3): Likewise.
11204 (aeabi_lasr): Likewise.
11205 (lshrdi3): Likewise.
11206 (aeabi_llsr): Likewise.
11207 2005-03-10 Julian Brown <julian@codesourcery.com>
11208 * config.gcc: Disable shared libgcc for SymbianOS.
11209 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11210
11211 2006-01-18 DJ Delorie <dj@redhat.com>
11212
11213 * c-pragma.c (handle_pragma_diagnostic): New.
11214 (init_pragma): Register it.
11215 * doc/extend.texi: Document it.
11216
11217 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11218 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11219 (diagnostic_context): Add classify_diagnostic[].
11220 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11221 as errors if they're overridden to DK_WARNING.
11222 (diagnostic_initialize): Initialize classify_diagnostic[].
11223 (diagnostic_set_kind_override): New.
11224 (diagnostic_report_diagnostic): Check for kind changes.
11225 * opts.c (common_handle_option): Take lang_mask. Update callers.
11226 Handle OPT_Werror_.
11227 * common.opt (Werror=): New.
11228 * doc/invoke.texi: Document -Werror=*
11229
11230 2006-01-18 Jeff Law <law@redhat.com>
11231
11232 * tree-vrp.c (test_for_singularity): Correct test for new
11233 min limit. Use operand_equal_p rather than pointer equality
11234 for testing if new min/max values are equal.
11235
11236 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11237 using range information until after propagation and folding.
11238
11239 2006-01-18 Richard Henderson <rth@redhat.com>
11240 Aldy Hernandez <aldyh@redhat.com>
11241 Jakub Jelinek <jakub@redhat.com>
11242 Diego Novillo <dnovillo@redhat.com>
11243
11244 * omp-low.c: New file.
11245 * c-omp.c: New file.
11246
11247 2006-01-18 Richard Henderson <rth@redhat.com>
11248 Jakub Jelinek <jakub@redhat.com>
11249 Diego Novillo <dnovillo@redhat.com>
11250
11251 * doc/invoke.texi: Document -fopenmp.
11252 * tree-dump.h (debug_function): Declare.
11253 * hooks.c (hook_bool_tree_bool_false): New function.
11254 (hook_tree_tree_null): Remove.
11255 (hook_tree_tree_tree_null): New.
11256 * hooks.h: Update to match.
11257 * tree-pretty-print.c (debug_tree_chain): New.
11258 (print_generic_expr): Handle TDF_CHAIN.
11259 (dump_generic_node): Handle BLOCK.
11260 Do not abort with incomplete SWITCH_EXPRs.
11261 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11262 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11263 print space after directive name.
11264 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11265 Handle OMP_MASTER and OMP_ORDERED.
11266 Handle printing of OMP_BODY just in one place, goto
11267 dump_omp_body in the rest of OMP_* nodes that have
11268 OMP_BODY.
11269 Don't handle clause nodes here. Update omp statements to
11270 use dump_omp_clauses.
11271 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11272 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11273 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11274 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11275 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11276 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11277 Adjust output for GOMP_PARALLEL.
11278 (dump_omp_clauses): New.
11279 (print_declaration): Dump DECL_VALUE_EXPR.
11280 (op_symbol_1): Split out of op_symbol.
11281 (dumping_stmts): Remove. Update all users.
11282 * cgraph.c (cgraph_analyze_queue): New.
11283 (cgraph_add_new_function): New.
11284 * cgraph.h (cgraph_analyze_queue): Declare.
11285 (cgraph_add_new_function): Declare.
11286 (cgraph_lower_function): Remove.
11287 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11288 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11289 and TYPE_P nodes in its default clause.
11290 (empty_body_p): New.
11291 (tree_range_check_failed): New.
11292 (build5_stat): New.
11293 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11294 OMP_CLAUSE_REDUCTION_MERGE,
11295 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11296 OMP_CLAUSE_PRIVATE_DEBUG,
11297 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11298 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11299 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11300 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11301 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11302 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11303 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11304 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11305 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11306 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11307 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11308 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11309 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11310 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11311 (TREE_RANGE_CHECK): New.
11312 (empty_body_p): Declare.
11313 (enum omp_clause_default_kind): New.
11314 (build_string_literal): Declare.
11315 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11316 (build5_stat, build5): Declare.
11317 * tree-pass.h (TDF_CHAIN): Define.
11318 * tree-pass.h (PROP_gimple_lomp): Define.
11319 (pass_lower_omp): Declare.
11320 * diagnostic.h (debug_tree_chain): Declare.
11321 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11322 mode_for_size.
11323 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11324 * builtins.c (build_string_literal): Make extern.
11325 * gcc.c (include_spec_function): New.
11326 (static_spec_functions): Add it.
11327 (main): Move load of libgomp.spec ...
11328 (LINK_COMMAND_SPEC): ... here.
11329 (link_gomp_spec): New.
11330 (static_specs): Include it.
11331 (LINK_COMMAND_SPEC): Add link_gomp.
11332 (GOMP_SELF_SPECS): New.
11333 (driver_self_specs): Include it.
11334 (switch_matches): Don't mark inline.
11335 (main): Load libgomp.spec.
11336 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11337 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11338 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11339 * tree-gimple.h (enum omp_parallel): Declare.
11340 (determine_parallel_type): Declare.
11341 (omp_firstprivatize_variable): Declare.
11342 (omp_reduction_init): Declare.
11343 (diagnose_omp_structured_block_errors): Declare.
11344 (struct walk_stmt_info): Add want_return_expr.
11345 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11346 (find_omp_clause): Declare.
11347 (insert_field_into_struct): Declare.
11348 (struct walk_stmt_info): Move from tree-nested.c
11349 (walk_stmts): Declare.
11350 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11351 to 200505.
11352 * cgraphunit.c (cgraph_lower_function): Make static.
11353 (cgraph_finalize_pending_functions): New.
11354 (cgraph_finalize_function): Call it.
11355 (cgraph_finalize_compilation_unit): Likewise.
11356 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11357 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11358 (BT_FN_UINT_UINT): New.
11359 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11360 DEF_FUNCTION_TYPE_VAR_4): Document.
11361 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11362 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11363 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11364 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11365 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11366 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11367 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11368 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11369 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11370 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11371 into separate files.
11372 (DEF_GOMP_BUILTIN): New.
11373 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11374 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11375 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11376 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11377 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11378 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11379 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11380 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11381 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11382 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11383 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11384 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11385 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11386 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11387 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11388 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11389 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11390 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11391 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11392 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11393 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11394 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11395 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11396 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11397 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11398 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11399 * sync-builtins.def: New file, moved from builtins.def.
11400 * omp-builtins.def: New file, moved from builtins.def.
11401 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11402 * gimple-low.c (lower_function_body): Clear data.
11403 (lower_stmt): Do not handle COMPOUND_EXPR.
11404 Remove call to print_node_brief.
11405 * c-tree.h (c_finish_omp_clauses): New prototype.
11406 (C_DECL_THREADPRIVATE_P): Define.
11407 (lookup_name_no_remap, c_omp_remap_private): Remove
11408 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11409 (check_for_loop_decls): Update decl.
11410 (lookup_name_no_remap, c_omp_remap_private): Declare.
11411 (build_indirect_ref, build_modify_expr, pushdecl,
11412 pushdecl_top_level): Move to c-common.h.
11413 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11414 before the switch, but just in the 2 places that need it.
11415 * c-decl.c (diagnose_mismatched_decls): Do not check for
11416 mismatched thread-local attributes when OLDDECL is marked
11417 threadprivate and NEWDECL has no thread-local attributes.
11418 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11419 (c_gimple_diagnostics_recursively): Rename from
11420 c_warn_unused_result_recursively. Invoke
11421 diagnose_omp_structured_block_errors.
11422 (check_for_loop_decls): Return a singular decl found.
11423 * langhooks.c (lhd_omp_predetermined_sharing): Return
11424 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11425 (lhd_omp_firstprivatize_type_sizes): New.
11426 (lhd_omp_assignment): New.
11427 (lhd_omp_predetermined_sharing): New.
11428 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11429 (struct lang_hooks_for_types): Add
11430 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11431 omp_predetermined_sharing, omp_disregard_value_expr,
11432 omp_private_debug_clause, omp_clause_default_ctor,
11433 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11434 (c_finish_omp_clauses): New.
11435 (c_finish_bc_stmt): Diagnose break within omp for.
11436 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11437 (build_unary_op): Return error_mark after reporting
11438 a readonly_error.
11439 (build_modify_expr): Likewise.
11440 * gimplify.c: Include optabs.h and pointer-set.h.
11441 (enum gimplify_omp_var_data): Declare.
11442 (struct gimplify_omp_ctx): Declare.
11443 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11444 and combined_ctxp.
11445 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11446 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11447 (splay_tree_compare_decl_uid): New.
11448 (new_omp_context): New.
11449 (delete_omp_context): New.
11450 (gimple_add_tmp_var): Call omp_add_variable.
11451 (gimplify_bind_expr): Likewise.
11452 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11453 true, disregard DECL_VALUE_EXPR on the decl if any.
11454 (gimplify_expr_in_ctx): New.
11455 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11456 omp_add_variable, omp_notice_variable, omp_is_private
11457 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11458 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11459 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11460 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11461 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11462 gimplify_omp_atomic): New.
11463 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11464 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11465 OMP_CRITICAL and OMP_ATOMIC.
11466 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11467 * c-pragma.h (enum pragma_kind): Add
11468 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11469 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11470 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11471 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11472 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11473 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11474 PRAGMA_OMP_THREADPRIVATE.
11475 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11476 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11477 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11478 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11479 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11480 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11481 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11482 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11483 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11484 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11485 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11486 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11487 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11488 OpenMP directives.
11489 (struct nesting_info): Add field_map,
11490 suppress_expansion, debug_var_chain.
11491 (create_nesting_tree): Initialize them.
11492 (lookup_field_for_decl): Use field_map.
11493 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11494 (convert_local_omp_clauses): New.
11495 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11496 (walk_body): Split out of walk_function.
11497 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11498 (convert_nonlocal_reference): Handle omp statements.
11499 (convert_local_reference): Likewise.
11500 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11501 (unnest_nesting_tree): New.
11502 (lower_nested_functions): Call it.
11503 (insert_field_into_struct): Make extern.
11504 (struct walk_stmt_info): Move to tree-gimple.h.
11505 (walk_stmts): Make extern.
11506 * omp-builtins.def: New file.
11507 * tree-iterator.c (expr_only): Clarify comment.
11508 * c-common.h (pushdecl_top_level, pushdecl,
11509 build_modify_expr, build_indirect_ref,
11510 c_finish_omp_master, c_finish_omp_critical,
11511 c_finish_omp_ordered, c_finish_omp_barrier,
11512 c_finish_omp_atomic, c_finish_omp_flush,
11513 c_finish_omp_for, c_split_parallel_clauses,
11514 omp_clause_default_kind, c_omp_sharing_predetermined,
11515 c_omp_remap_decl): Declare.
11516 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11517 (OBJS-common): Add omp-low.o.
11518 (c-omp.o, omp-low.o): Add.
11519 (gimplify.o): Add dependency on $(OPTABS_H).
11520 (GTFILES): Add omp-low.c.
11521 (gt-stringpool.h): Add.
11522 * tree-cfg.c (set_bb_for_stmt): Do not update the
11523 block-to-labels map if we are currently expanding to RTL.
11524 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11525 checks.
11526 Handle IDENTIFIER_NODE.
11527 (tree_verify_flow_info): Do not ICE when emitting error
11528 messages about invalid labels.
11529 (dump_function_to_file): Reset CFUN before emitting the body
11530 of the function.
11531 (debug_function): New.
11532 * passes.c (init_optimization_passes): Schedule
11533 pass_lower_omp.
11534 * langhooks-def.h (lhd_omp_predetermined_sharing,
11535 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11536 Declare.
11537 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11538 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11539 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11540 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11541 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11542 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11543 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11544 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11545 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11546 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11547 (LANG_HOOK_DECLS): Use them.
11548
11549 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11550 Richard Henderson <rth@redhat.com>
11551 Jakub Jelinek <jakub@redhat.com>
11552 Diego Novillo <dnovillo@redhat.com>
11553
11554 * c-parser.c (pragma_omp_clause): Define.
11555 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11556 (c_parser_compound_statement): Likewise.
11557 (c_parser_statement): Likewise.
11558 (c_parser_pragma): Handle omp pragmas.
11559 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11560 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11561 (c_parser_omp_clause_name, check_no_duplicate_clause,
11562 c_parser_omp_variable_list,
11563 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11564 c_parser_omp_clause_copyprivate,
11565 c_parser_omp_clause_default,
11566 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11567 c_parser_omp_clause_lastprivate,
11568 c_parser_omp_clause_nowait,
11569 c_parser_omp_clause_num_threads,
11570 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11571 c_parser_omp_clause_reduction,
11572 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11573 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11574 c_parser_omp_atomic, c_parser_omp_barrier,
11575 c_parser_omp_critical, c_parser_omp_flush,
11576 c_parser_omp_for_loop, c_parser_omp_for,
11577 c_parser_omp_master, c_parser_omp_ordered,
11578 c_parser_omp_sections_scope, c_parser_omp_sections,
11579 c_parser_omp_parallel, c_parser_omp_single,
11580 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11581 * c-pragma.c (init_pragma): Do omp pragma registration here.
11582 * c.opt (fopenmp): New flag.
11583
11584 2006-01-18 Eric Christopher <echristo@apple.com>
11585
11586 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11587 * config/darwin.h (GOMP_SELF_SPECS): Define.
11588
11589 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11590
11591 * rtl.h: Remove the prototype for reg_alloc.
11592
11593 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11594
11595 PR target/25731
11596 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11597 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11598 sjlj and dwarf2 exception handling.
11599 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11600 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11601 * pa/pa.c (function_value): Treat complex and vector types as
11602 aggregates.
11603 (function_arg): Likewise. Only pass scalar floats in the floating
11604 point argument registers.
11605 * pa/t-slibgcc-dwarf-ver: New file.
11606 * pa/t-slibgcc-sjlj-ver: New file.
11607 * pa/t-slibgcc-elf-ver: Delete file.
11608
11609 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11610
11611 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11612 unlikely_test_section_p test.
11613
11614 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11615
11616 * mode-switching.c (optimize_mode_switching): Make it static.
11617 * basic-block.h: Remove the prototype for
11618 optimize_mode_switching.
11619
11620 * modulo-sched.c (sms_schedule): Make it static.
11621 * rtl.h: Remove the prototype for sms_schedule.
11622
11623 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11624 * rtl.h: Remove the prototype for gcse_after_reload_main.
11625
11626 * reg-stack.c (reg_to_stack): Make it static.
11627 * rtl.h: Remove the prototype for reg_to_stack.
11628
11629 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11630 Make them static.
11631 * rtl.h: Remove the prototypes for regrename_optimize and
11632 copyprop_hardreg_forward.
11633
11634 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11635
11636 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11637 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11638 Test against the appropriate null constant for the mode.
11639 If 'fixup_overlap' is true, swap the operands if they overlap.
11640 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11641 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11642 alpha_split_tmode_pair and adjust for above change.
11643 * config/alpha/alpha.md (movtf_internal): Adjust call to
11644 alpha_split_tfmode_pair and rely on it to swap the operands.
11645 (movti_internal): New insn and post-reload splitter.
11646 (movti): New expander.
11647
11648 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11649
11650 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11651 operands.
11652
11653 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11654
11655 * rtlanal.c (global_reg_mentioned_p_1,
11656 global_reg_mentioned_p): Remove.
11657 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11658
11659 * flow.c (initialize_uninitialized_subregs): Make it static.
11660 * rtl.h: Remove the prototype for
11661 initialize_uninitialized_subregs.
11662
11663 * function.c (instantiate_virtual_regs): Make it static.
11664 * function.h: Remove the prototype for
11665 instantiate_virtual_regs.
11666
11667 * regmove.c (regmove_optimize, combine_stack_adjustments):
11668 Make them static.
11669 * rtl.h: Remove the prototypes for regmove_optimize and
11670 combine_stack_adjustments.
11671
11672 2006-01-17 Roger Sayle <roger@eyesopen.com>
11673
11674 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11675 (size_cost): Encode costs in bytes so that a reg-reg addition is
11676 equivalent to COSTS_N_INSNS(1).
11677 (override_options): Use the size_cost.branch_cost as the default
11678 ix86_branch_cost when optimizing for size.
11679
11680 2006-01-18 Ben Elliston <bje@au.ibm.com>
11681
11682 * Makefile.in (D32PBIT_FUNCS): New.
11683 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11684 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11685 D64PBIT_FUNCS and D128PBIT_FUNCS.
11686 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11687 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11688 D128PBIT are set.
11689 (decnumber_dep): Define.
11690 * doc/libgcc.texi (Decimal float library routines): New node.
11691 * config/dfp-bit.h, config/dfp-bit.c: New files.
11692
11693 2006-01-18 Ben Elliston <bje@au.ibm.com>
11694
11695 * expr.c (emit_move_change_mode): Always adjust addresses, not
11696 just during reload. Copy replacements only during reload.
11697 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11698 emit_move_via_integer.
11699
11700 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11701
11702 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11703 instead of $(srcdir) and ${srcdir}.
11704
11705 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11706
11707 PR target/592
11708 PR middle-end/11135
11709 * arm.h (struct machine_function): Add pic_reg.
11710 * arm.c (arm_pic_register): Make unsigned.
11711 (arm_override_options): Only set arm_pic_register if
11712 TARGET_SINGLE_PIC_BASE.
11713 (use_return_insn): Only test for a pic register if it is fixed.
11714 (arm_compute_save_reg0_reg12_mask): Likewise.
11715 (thumb_compute_save_reg_mask): Likewise.
11716 (legitimate_pic_operand): Factor out some known invariants.
11717 (legitimize_pic_address): If we don't have a fixed pic register,
11718 then set up a pseudo in the function entry sequence. Handle the
11719 pic base being in a pseudo.
11720 (arm_load_pic_register): Handle the pic register being in a pseudo.
11721 (arm_expand_prologue): Only set up the pic register if it is fixed.
11722 (thumb_expand_prologue): Likewise.
11723 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11724 (pic_load_addr_based_insn): Likewise.
11725 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11726 fixed.
11727
11728 2006-01-18 Ben Elliston <bje@au.ibm.com>
11729
11730 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11731 decimal float modes for all floating point registers.
11732
11733 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11734 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11735
11736 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11737
11738 PR c/25682
11739 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11740 even when the pointer is not NULL.
11741
11742 2006-01-16 Ian Lance Taylor <ian@airs.com>
11743
11744 * common.opt (ftoplevel-reorder): New option.
11745 * cgraph.c (cgraph_asm_nodes): New global variable.
11746 (cgraph_asm_last_node): New static variable.
11747 (cgraph_order): New global variable.
11748 (cgraph_create_node): Set new order field.
11749 (cgraph_varpool_node): Likewise.
11750 (decide_is_variable_needed): Return true if not
11751 flag_toplevel_reorder.
11752 (cgraph_add_asm_node): New function.
11753 * cgraph.h (struct cgraph_node): Add order field.
11754 (struct cgraph_varpool_node): Add order field.
11755 (struct cgraph_asm_node): Define.
11756 (cgraph_asm_nodes, cgraph_order): Declare.
11757 (cgraph_add_asm_node): Declare.
11758 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11759 function.
11760 (cgraph_varpool_assemble_pending_decls): Call it.
11761 (cgraph_output_pending_asms): New static function.
11762 (cgraph_finalize_compilation_unit): Call it.
11763 (struct cgraph_order_sort): Define.
11764 (cgraph_output_in_order): New static function.
11765 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11766 !flag_toplevel_reorder case.
11767 * c-parser.c: Include "cgraph.h".
11768 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11769 assemble_asm.
11770 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11771 than -fno-unit-at-a-time.
11772 * doc/invoke.texi (Option Summary): Mention
11773 -fno-toplevel-reorder.
11774 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11775 -funit-at-a-time documentation.
11776
11777 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11778 Kazu Hirata <kazu@codesourcery.com>
11779
11780 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11781
11782 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11783
11784 * Makefile.in (FUNCTION_H): New. Use it instead of
11785 function.h throughout the file.
11786 * function.h: Include tree.h.
11787
11788 2006-01-17 Ben Elliston <bje@au.ibm.com>
11789
11790 * recog.c: Separate some functions with whitespace.
11791
11792 2006-01-16 Richard Henderson <rth@redhat.com>
11793
11794 Merge from gomp branch:
11795 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11796 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11797 and rename from struct inline_data. Rename callee* to dst*;
11798 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11799 transform_new_cfg, transform_return_to_modify, and
11800 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11801 update_clones_p.
11802 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11803 (copy_decl_for_dup): Remove.
11804 * tree-inline.c (struct inline_data): Move to header.
11805 (insert_decl_map): Export.
11806 (remap_decl): Update for member name changes. Use copy_decl hook.
11807 Allow for replacement to be a non-decl. Remove dead code.
11808 (remap_type_1): Check for existing mapping.
11809 (remap_type): Export.
11810 (remap_decls): Update for member name changes.
11811 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11812 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11813 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11814 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11815 (tree_function_versioning, build_duplicate_type): Likewise.
11816 (copy_body_r): Likewise. Export.
11817 (copy_decl_for_dup): Split into ...
11818 (copy_decl_for_dup_finish, copy_decl_to_var,
11819 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11820 (replace_ref_tree, inlining_p): Remove.
11821
11822 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11823
11824 * ifcvt.c (if_convert): Make it static.
11825 * rtl.h: Remove the prototype for if_convert.
11826
11827 * local-alloc.c (local_alloc): Make it static.
11828 * rtl.h: Remove the prototype for local_alloc.
11829
11830 * loop.c (loop_optimize): Make it static.
11831 * cfgloop.h: Remove the prototype for loop_optimize.
11832 * rtl.h: Likewise.
11833
11834 2006-01-16 DJ Delorie <dj@redhat.com>
11835
11836 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11837 mems.
11838
11839 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11840
11841 * pa.md: Disparage copies between general and floating-point registers
11842 in 32-bit move patterns.
11843
11844 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11845
11846 PR testsuite/25741
11847 * Makefile.in (check-%): Depend on site.exp instead of
11848 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11849 directories.
11850
11851 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11852
11853 * global.c (global_alloc): Make it static.
11854 * rtl.h: Remove the prototype for global_alloc.
11855
11856 2006-01-16 Richard Guenther <rguenther@suse.de>
11857
11858 * tree-ssa-alias.c (struct used_part): Add write_only field.
11859 (get_or_create_used_part_for): Initialize it to true.
11860 (create_overlap_variables_for): Don't create structure variables
11861 for structures that only are written to.
11862 (find_used_portions): Handle MODIFY_EXPR to track whether a
11863 structure is only written to.
11864
11865 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11866
11867 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11868 static.
11869 * basic-block.h: Remove the prototype for
11870 partition_hot_cold_basic_blocks.
11871
11872 2006-01-16 Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
11873
11874 * cppspec.c (lang_specific_spec_functions): Remove.
11875 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11876 * gcc.h (lang_specific_spec_functions): Remove.
11877 * gccspec.c (lang_specific_spec_functions): Remove.
11878
11879 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11880
11881 * combine.c (record_value_for_reg): Invalidate registers
11882 if INSN is null.
11883 (record_dead_and_set_regs_1): Likewise, by passing them to
11884 record_value_for_reg.
11885 (record_dead_and_set_regs): Invalidate stores made by a
11886 call. We do not combine across a call, but we still
11887 relied on equivalences.
11888
11889 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11890
11891 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11892 vrp_int_const_binop returning non-constant nodes.
11893
11894 2006-01-16 Paul Brook <paul@codesourcery.com>
11895
11896 * config/m68k/m68k.c (output_move_const_into_data_reg):
11897 Output correct mnemonic for mvz and mvs.
11898
11899 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11900
11901 * rtl-factoring.c: Add sequence abstraction algorithm.
11902 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11903 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11904 ABNORMAL edges.
11905 (block_has_preserve_label): New function.
11906 * common.opt: Register new pass.
11907 * Makefile.in: Ditto.
11908 * passes.c: Ditto.
11909 * timevar.def: Ditto.
11910 * tree-pass.h: Ditto.
11911 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11912 * rtl.h (make_jump_insn_raw): Add forward decl.
11913 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11914
11915 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11916 Roger Sayle <roger@eyesopen.com>
11917
11918 * fold-const.c (fold_minmax): New static function.
11919 (fold_binary) <MIN_EXPR>: Call it.
11920 <MAX_EXPR>: Likewise.
11921 * stor-layout.c (place_field): Use DECL_SIZE consistently
11922 in the computation of the new record size.
11923
11924 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11925
11926 * cse.c (cse_condition_code_reg): Make it static.
11927 * rtl.h: Remove the prototype for cse_condition_code_reg.
11928
11929 * combine.c (combine_instructions): Make it static.
11930 * rtl.h: Remove the prototype for combine_instructions.
11931
11932 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11933
11934 PR target/25168
11935 * tree.c (get_file_function_name_long): Concatenate the first global
11936 object name with a string derived from the input filename of the object
11937 for type "F".
11938
11939 2006-01-16 Ben Elliston <bje@au.ibm.com>
11940
11941 * config/i386/winnt-stubs.c: Update FSF address.
11942 * config/xtensa/ieee754-df.S: Ditto.
11943 * config/xtensa/ieee754-sf.S: Ditto.
11944
11945 2006-01-14 Ian Lance Taylor <ian@airs.com>
11946
11947 * ifcvt.c (noce_init_if_info): New static function, broken out of
11948 noce_process_if_block.
11949 (noce_process_if_block): Call noce_init_if_info.
11950 (check_cond_move_block): New static function.
11951 (cond_move_process_if_block): New static function.
11952 (process_if_block): Call cond_move_process_if_block.
11953
11954 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11955
11956 * cselib.c (hash_table): Rename to cselib_hash_table.
11957 (cselib_clear_table, discard_useless_values,
11958 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11959 cselib_init, cselib_finish): Adjust uses of hash_table.
11960
11961 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11962
11963 PR tree-optimization/25485
11964 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11965 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11966 is known to be false and true, respectively.
11967
11968 2006-01-14 Richard Guenther <rguenther@suse.de>
11969
11970 PR tree-optimization/22548
11971 PR tree-optimization/22555
11972 PR tree-optimization/22501
11973 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11974 * params.def (salias-max-array-elements): New parameter.
11975 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11976 * doc/invoke.texi (salias-max-array-elements): Document.
11977 * tree-flow-inline.h (var_can_have_subvars): We also handle
11978 arrays now.
11979 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11980 COMPONENT_REF.
11981 * tree-ssa-structalias.c (params.h): Include.
11982 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11983 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11984 (get_constraint_for): For ADDR_EXPR operating on something
11985 containing an ARRAY_REF, add all subvars to the solution.
11986 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11987 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11988 for creating MUST_DEFs.
11989 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11990
11991 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11992
11993 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11994 functions.
11995 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11996 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11997 number_of_iterations_le): New functions.
11998 (number_of_iterations_special): Removed.
11999 (number_of_iterations_exit): Do not use number_of_iterations_special.
12000 * tree.c (unsigned_type_for): Always return integer type.
12001
12002 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12003 Richard Guenther <rguenther@suse.de>
12004
12005 PR rtl-optimization/24257
12006 * gcse.c (find_moveable_store): Only consider a store movable
12007 when the SET_SRC of the insn can be assigned to a register.
12008
12009 2006-01-14 Ian Lance Taylor <ian@airs.com>
12010
12011 * tree.c (tree_not_class_check_failed): New function.
12012 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12013 (tree_not_class_check_failed): Declare.
12014
12015 2006-01-13 Ian Lance Taylor <ian@airs.com>
12016
12017 * reload1.c (do_output_reload): Add assertion rejecting a
12018 CALL_INSN.
12019
12020 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12021
12022 * combine.c (struct reg_stat): Add new fields truncation_label and
12023 truncated_to_mode.
12024 (record_value_for_reg): Reset truncated_to_mode.
12025 (record_truncated_value): New function.
12026 (check_promoted_subreg): Call it. Rename to check_conversions.
12027 (combine_instructions): Rename check_promoted_subreg to
12028 check_conversions.
12029 (reg_truncated_to_mode): New function.
12030 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12031 (gen_lowpart_or_truncate): New function.
12032 (force_to_mode): Use it instead of gen_lowpart.
12033
12034 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12035
12036 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12037 VAR is a tag, not its type tag.
12038
12039 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12040
12041 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12042 alternatives to match style of other entries.
12043 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12044
12045 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12046
12047 PR tree-optimization/25771
12048 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12049 SSA_NAMES.
12050
12051 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12052
12053 PR tree-opt/24365
12054 * tree-inline.c (declare_return_variable): If the return variable
12055 was marked as a non gimple complex, set the return slot variable
12056 to be a non gimple comple variable.
12057
12058 2006-01-13 Richard Guenther <rguenther@suse.de>
12059
12060 * builtins.c (expand_builtin_sincos): New function.
12061 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12062 do not set errno.
12063 (expand_builtin): Expand sincos using expand_builtin_sincos.
12064
12065 2006-01-12 DJ Delorie <dj@redhat.com>
12066
12067 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12068 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12069 so that constant shifts can be split.
12070 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12071 (m32c_valid_pointer_mode): Make static.
12072 (shift_gen_func_for): New.
12073 (m32c_prepare_shift): Use it. Split large const shifts into
12074 multiple shifts.
12075 * config/m32c/predicates.md (shiftcount_operand): Allow more
12076 general operands.
12077 (longshiftcount_operand): New.
12078 * doc/md.texi (Machine Constraints): Document In6.
12079
12080 2006-01-13 Ben Elliston <bje@au.ibm.com>
12081
12082 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12083 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12084 documentation.
12085
12086 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12087
12088 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12089 to try to avoid clobbering pieces of structures when we know
12090 something about the whole structure.
12091 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12092
12093 2006-01-13 Ben Elliston <bje@au.ibm.com>
12094
12095 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12096 return in memory, as this is no limitation is no longer present.
12097
12098 2006-01-12 DJ Delorie <dj@redhat.com>
12099
12100 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12101 mova with fb, and for fb+0 -> An.
12102
12103 * config/m32c/mov.md (peephole2): Fix enabling logic.
12104
12105 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12106 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12107 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12108 FINI_ARRAY_SECTION_ASM_OP): Define.
12109
12110 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12111 variable.
12112 (m32c_legitimize_reload_address): New logic to reload FB to An.
12113 (m32c_output_reg_push): Add newline.
12114 (m32c_output_reg_pop): Likewise.
12115
12116 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12117
12118 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12119
12120 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12121
12122 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12123
12124 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12125
12126 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12127 match_code.
12128
12129 2006-01-11 Ben Elliston <bje@au.ibm.com>
12130
12131 * rtlanal.c (find_reg_note): Assert insn is not null.
12132
12133 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12134
12135 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12136 ifdef.
12137
12138 2006-01-11 Jeff Law <law@redhat.com>
12139
12140 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12141 hold edge pairs.
12142 (mark_threaded_blocks, register_jump_thread): New functions.
12143 (thread_through_all_blocks): Remove unwanted argument. No
12144 longer rely on e->aux to communicate thread target info.
12145 Call mark_threaded_blocks. Release the threaded_blocks
12146 bitmap and threaded_edges vector when complete.
12147 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12148 (threaded_blocks): Remove.
12149 (tree_ssa_dominator_optimize): Remove initialization and
12150 finalization of threaded_blocks. Simplify call to
12151 thread_through_all_blocks.
12152 (thread_across_edge): Call register_jump_thread rather than
12153 storing thread information into e->aux.
12154 (free_all_edge_infos): Simplify now that e->aux is no longer
12155 used to communicate with thread_through_all_blocks.
12156 * tree-flow.h (thread_through_all_blocks): Update prototype.
12157 (register_jump_thread): Prototype.
12158
12159 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12160
12161 * df-core.c (df_compact_blocks, df_bb_replace): Use
12162 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12163
12164 2006-01-11 Richard Guenther <rguenther@suse.de>
12165
12166 PR tree-optimization/25734
12167 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12168 stop propagation after successful propagation to the LHS.
12169
12170 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12171
12172 * basic-block.h (control_flow_graph): Change the type of
12173 x_basic_block_info to VEC(basic_block,gc) *.
12174 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12175 basic_block_info.
12176 (SET_BASIC_BLOCK): New.
12177 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12178 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12179 * cfgbuild.c (find_basic_blocks): Likewise.
12180 * cfglayout.c (fixup_reorder_chain): Likewise.
12181 * cfgrtl.c (create_basic_block_structure,
12182 rtl_create_basic_block): Likewise.
12183 * ifcvt.c (find_if_case_1): Likewise.
12184 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12185 Likewise.
12186
12187 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12188
12189 * Makefile.in: Removed rotted odf.c entry.
12190
12191 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12192
12193 PR target/25706
12194 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12195 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12196 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12197 output pattern modifier, not %e.
12198 * config/cris/cris.c (cris_op_str): Update comment about pattern
12199 modifier.
12200 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12201 before falling through into...
12202 <case 'E'>: Redefined from old 'e' case.
12203
12204 2006-01-11 Jan Hubicka <jh@suse.cz>
12205
12206 PR target/25042
12207 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12208
12209 2006-01-11 Jan Hubicka <jh@suse.cz>
12210
12211 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12212 * i386.c (x86_decompose_lea): Kill.
12213 (ix86_rtx_costs): Kill.
12214
12215 2006-01-11 Jan Hubicka <jh@suse.cz>
12216
12217 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12218 * cgraph.h (cgraph_node): Add inline_decl.
12219 (cgraph_insert_node_to_hashtable): Declare.
12220 (save_inline_function_body): Declare.
12221 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12222 clones.
12223 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12224 (cgraph_function_versioning): Update call of tree_function_versioning.
12225 (save_inline_function_body): New function.
12226 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12227 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12228 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12229 (cgraph_default_inline_p): Likewise.
12230 (cgraph_decide_inlining_incrementally): Likewise.
12231 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12232 (copy_bb): Kill saving; do updating of clones.
12233 (copy_cfg_body): Kill saving.
12234 (initialize_inlined-parameters): Likewise.
12235 (expand_call_inline): Likewise.
12236 (save_body): Kill.
12237 (tree_function_versioning): New parameter "update_clones".
12238 (inlining_p): Kill saving.
12239 * tree-inline.h (tree_function_versioning): Update prototype.
12240 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12241 saving.
12242
12243 2006-01-11 Ian Lance Taylor <ian@airs.com>
12244
12245 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12246 Allow undoing set of machine mode.
12247 (do_SUBST): Use enums instead of is_int.
12248 (do_SUBST_MODE): New function.
12249 (SUBST_MODE): New macro.
12250 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12251 reg and trying to replace reg_regno_rtx with a new register.
12252 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12253 (simplify_set): Use SUBST_MODE.
12254 (distribute_notes): Remove code that tried to update reg notes
12255 for regno_reg_rtx changes.
12256
12257 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12258
12259 PR tree-optimization/23109
12260 PR tree-optimization/23948
12261 PR tree-optimization/24123
12262
12263 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12264 * tree-cfg.c (single_noncomplex_succ): New.
12265 * tree-flow.h (single_noncomplex_succ): Declare it.
12266 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12267 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12268 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12269 insert_bb, register_division_in, insert_reciprocals,
12270 replace_reciprocal, free_bb): New.
12271 (execute_cse_reciprocals_1): Rewritten.
12272 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12273 Do not commit any edge insertion. Always compute dominators and
12274 create the allocation pool.
12275 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12276 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12277 * targhooks.c (default_min_divistions_for_recip_mul): New.
12278 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12279 * passes.c (init_optimization_passes): Run recip after tree loop
12280 optimizations.
12281 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12282
12283 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12284 Kenneth Zadeck <zadeck@naturalbridge.com>
12285
12286 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12287 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12288 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12289 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12290 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12291 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12292 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12293 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12294 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12295 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12296 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12297 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12298 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12299 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12300 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12301 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12302 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12303 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12304 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12305 DF_SCAN_POST_ALLOC): New macros.
12306 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12307 df_free_bb_function, df_local_compute_function, df_init_function,
12308 df_dataflow_function, df_confluence_function_0,
12309 df_confluence_function_n, df_transfer_function,
12310 df_finalizer_function, df_free_function, df_dump_problem_function,
12311 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12312 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12313 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12314 df_urec_bb_info, ) New types.
12315 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12316 variables.
12317 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12318 df_analyze_simple_change_some_blocks,
12319 df_analyze_simple_change_one_block, df_compact_blocks,
12320 df_bb_replace, df_bb_regno_last_use_find,
12321 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12322 df_insn_regno_def_p, df_find_def, df_find_use,
12323 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12324 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12325 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12326 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12327 debug_df_chain, df_get_dependent_problem, df_chain_create,
12328 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12329 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12330 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12331 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12332 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12333 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12334 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12335 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12336 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12337 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12338 df_reorganize_refs, df_set_state, df_hard_reg_init,
12339 df_read_modify_subreg_p) New public functions.
12340 * df-core.c: The core dataflow solver and glue routines for rtl
12341 dataflow.
12342 (df_init, df_add_problem, df_set_blocks, df_finish,
12343 df_hybrid_search_forward, df_hybrid_search_backward,
12344 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12345 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12346 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12347 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12348 df_reg_defined, df_find_use, df_reg_used, df_dump,
12349 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12350 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12351 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12352 debug_df_useno, reset_df_after_reload): New functions.
12353 * df-scan.c: The scanning fuctions, once in df.c, completely
12354 rewritten so that they now fully model the functionality of
12355 register usage at the backend.
12356 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12357 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12358 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12359 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12360 df_get_artificial_defs, df_get_artificial_uses,
12361 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12362 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12363 df_refs_delete, df_reorganize_refs, df_set_state,
12364 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12365 df_def_record_1, df_defs_record, df_uses_record,
12366 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12367 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12368 df_record_exit_block_uses, df_hard_reg_init): New functions.
12369
12370 * df-problems.c: Seven concrete dataflow problems that use the
12371 scanning in df-scan.c and are solved by the engine in df-core.c.
12372 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12373 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12374 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12375 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12376 df_ru_free_bb_info, df_ru_alloc,
12377 df_ru_bb_local_compute_process_def,
12378 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12379 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12380 df_ru_transfer_function, df_ru_free, df_ru_dump,
12381 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12382 df_rd_free_bb_info, df_rd_alloc,
12383 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12384 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12385 df_rd_transfer_function, df_rd_free, df_rd_dump,
12386 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12387 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12388 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12389 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12390 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12391 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12392 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12393 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12394 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12395 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12396 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12397 df_urec_mark_reg_use_for_earlyclobber,
12398 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12399 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12400 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12401 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12402 df_chain_create_bb_process_use, df_chain_create_bb,
12403 df_chain_finalize, df_chain_free, df_chains_dump,
12404 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12405 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12406 df_reg_lifetime): New functions.
12407 * df.c: Deleted file.
12408 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12409 consistent with new df api.
12410 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12411 rest_of_handle_sms): Ditto.
12412 * web.c (unionfind_union, union_defs, entry_register, web_main):
12413 Ditto.
12414 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12415 invariant_expr_equal_p, find_defs, check_dependencies,
12416 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12417 free_inv_motion_data, move_loop_invariants): Ditto.
12418 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12419 Update dependencies.
12420 (odf.c): Added defective entry that was deleted later in day.
12421 * sched-deps.c (sched_analyze_1): Ditto.
12422
12423 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12424
12425 * tree-ssa-operands.c (get_expr_operands): Record addressable
12426 variables directly. Do not call add_stmt_operands for CONST_DECLs
12427 and ARRAY_DECLs.
12428 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12429 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12430
12431 2006-01-11 Ben Elliston <bje@au.ibm.com>
12432
12433 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12434 function returns true in the positive case.
12435
12436 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12437
12438 PR target/20754
12439 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12440 for SI, DI, SF and DF modes. Add alternatives to copy between
12441 general and floating point registers to the 32-bit patterns.
12442 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12443 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12444 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12445 generating 64-bit code.
12446 * config/pa/pa.c (output_move_double): Handle copies between general
12447 and floating registers.
12448
12449 2006-01-10 Stuart Hastings <stuart@apple.com>
12450
12451 * config/i386/i386.md (set_got): Update.
12452 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12453 (builtin_setjmp_receiver): Mach-O support.
12454 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12455 (GOT_SYMBOL_NAME): Define.
12456 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12457 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12458 * config/i386/i386.c (override_options): Revise for Darwin.
12459 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12460 support. (darwin_x86_file_end): New. (output_set_got): Add label
12461 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12462 * config/i386/i386-protos.h (output_set_got): Likewise.
12463 * config/darwin.c (machopic_legitimize_pic_address): Update
12464 regs_ever_live[].
12465
12466 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12467
12468 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12469 when MODE isn't BLKmode.
12470
12471 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12472
12473 PR rtl-optimization/25367
12474 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12475
12476 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12477
12478 PR target/25718
12479 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12480 for a negative bound.
12481
12482 2006-01-10 Richard Guenther <rguenther@suse.de>
12483
12484 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12485 Never override with anything constraint.
12486
12487 2006-01-10 Jan Beulich <jbeulich@novell.com>
12488
12489 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12490 256 bits when optimize_size.
12491
12492 2006-01-10 Jan Beulich <jbeulich@novell.com>
12493
12494 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12495 MASK_ALIGN_DOUBLE.
12496 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12497 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12498 arguments.
12499
12500 2006-01-10 Ben Elliston <bje@au.ibm.com>
12501
12502 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12503 float modes.
12504 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12505 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12506 (USE_FP_FOR_ARG): Reject decimal float modes.
12507 (function_arg_advance): Likewise.
12508 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12509 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12510 point types in AltiVec vectors.
12511 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12512 (rs6000_libcall_value): Likewise.
12513
12514 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12515
12516 * config/xtensa/ieee754-df.S: New file.
12517 * config/xtensa/ieee754-sf.S: New file.
12518 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12519 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12520 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12521
12522 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12523
12524 * config/sh/predicates.md (binary_float_operator,
12525 binary_logical_operator, commutative_float_operator,
12526 equality_comparison_operator, greater_comparison_operator,
12527 less_comparison_operator, logical_operator,
12528 noncommutative_float_operator, shift_operator,
12529 symbol_ref_operand, unary_float_operator): Remove redundant
12530 conditionals.
12531
12532 2006-01-09 Jeff Law <law@redhat.com>
12533
12534 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12535 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12536 now unused arguments. Callers updated.
12537 (eliminate_redundant_computations): Remove now unused arguments,
12538 callers updated.
12539 (local_fold): Remove, no longer used.
12540 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12541 and moved to...
12542 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12543 (simplify_cond): New function.
12544 (forward_propagate_into_cond): Call simplify_cond.
12545
12546 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12547
12548 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12549 (*vec_extractv2di_1_sse): New.
12550
12551 2006-01-09 Ben Elliston <bje@au.ibm.com>
12552
12553 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12554
12555 2006-01-08 Richard Guenther <rguenther@suse.de>
12556
12557 * tree-ssa-structalias.c (get_constraint_for): Remove
12558 anyoffset argument.
12559 (get_constraint_for_component_ref): Likewise.
12560 (do_deref): Likewise.
12561 (get_constraint_for): Likewise.
12562 (do_structure_copy): Likewise.
12563 (handle_ptr_arith): Likewise.
12564 (find_func_aliases): Likewise. Remove unused need_anyoffset
12565 variable.
12566
12567 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12568 Kaz Kojima <kkojima@gcc.gnu.org>
12569
12570 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12571 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12572 (EXTRA_CONSTRAINT_C16): Remove.
12573 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12574 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12575 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12576 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12577 constants of SHmedia. Handle nested constant expressions of
12578 SHmedia correctly.
12579 (andcosts): Fix the costs for SHmedia constants.
12580 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12581 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12582 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12583 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12584 (movv4hi_i, movv2si_i): Likewise.
12585 (movsi_const): Adjust the second operand of ior so to match with
12586 the Csu constraint.
12587 (movdi_const, movdi_const_32bit): Likewise.
12588 (movdi_const_16bit+1): Don't sign-extend LOW.
12589 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12590 step.
12591 (*double_shori): Fix the split condition. Use GEN_INT instead
12592 of get_int_mode calls. Mask lower 16-bit of the argument of
12593 the last GEN_INT.
12594 (sym2GOTPLT): Remove.
12595 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12596 gen_rtx_UNSPEC.
12597 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12598 instead of EXTRA_CONSTRAINT_C16.
12599
12600 2006-01-07 Ian Lance Taylor <ian@airs.com>
12601 David Edelsohn <edelsohn@gnu.org>
12602
12603 PR rtl-optimization/25662
12604 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12605 for constant operands instead of simplify_gen_binary.
12606 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12607 after trying simplify_binary_operation
12608
12609 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12610
12611 * tree.c (iterative_hash_expr): Hash decls based on UID.
12612
12613 2006-01-06 Eric Christopher <echristo@apple.com>
12614
12615 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12616 (TARGET_UNWIND_EMIT): Fix spelling.
12617 * target.h (gcc_target): Add except_table_label.
12618 * except.c (output_function_exception_table): Use.
12619 * varasm.c (default_emit_except_table_label): New.
12620 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12621 define.
12622 (asm_out): Add here.
12623 * output.h (default_emit_except_table_label): Prototype.
12624 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12625 * config/darwin.c (darwin_emit_except_table_label): Define.
12626 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12627
12628 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12629
12630 PR tree-optimization/18527
12631 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12632 number_of_iterations_special, number_of_iterations_exit):
12633 Move base and step of an iv to a single structure. Add
12634 no_overflow flag, and use it in # of iterations analysis.
12635 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12636 folded_casts argument.
12637 (simple_iv): Pass base and step in a structure. Set no_overflow
12638 flag.
12639 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12640 Evaluate expensiveness of computing # of iterations instead of
12641 the final expression.
12642 * tree-scalar-evolution.h (affine_iv): New structure.
12643 (simple_iv): Declaration changed.
12644 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12645 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12646 find_givs_in_stmt): Changed due to simple_iv change.
12647
12648 2006-01-06 Jeff Law <law@redhat.com>
12649
12650 PR ada/24994
12651 * tree-cfg.c (bsi_replace): Rename final argument from
12652 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12653 change (stmt -> orig_stmt).
12654 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12655 (bsi_remove): Add new argument. Remove EH information
12656 if requested.
12657 (verify_eh_throw_table_statements): New function.
12658 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12659 updated.
12660 * tree-optimize.c (execute_free_cfg_annotations): Verify
12661 the EH throw statement table after removing annotations.
12662 * except.h (verify_eh_throw_table_statements): Prototype.
12663 * tree-flow.h (bsi_remove): Update prototype.
12664 * tree-vrp.c (remove_range_assertions): Add new argument to
12665 bsi_remove call.
12666 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12667 * tree-complex.c (expand_complex_div_wide): Likewise.
12668 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12669 * tree-tailcall.c (eliminate_tailcall): Likewise.
12670 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12671 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12672 * tree-nrv.c (tree_nrv): Likewise.
12673 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12674 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12675 (combine_blocks): Likewise.
12676 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12677 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12678 (cleanup_control_flow): Likewise.
12679 (remove_forwarder_block): Likewise.
12680 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12681 * tree-sra.c (sra_replace): Likewise.
12682 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12683 (forward_propagate_single_use_vars): Likewise.
12684 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12685 * tree-inline.c (expand_call_inline): Likewise.
12686 * tree-vect-transform.c (vect_transform_loop): Likewise.
12687 * tree-outof-ssa.c (rewrite_trees): Likewise.
12688 * tree-cfg.c (make_goto_expr_edges): Likewise.
12689 (cleanup_dead_labels): Likewise.
12690 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12691 (bsi_move_before, bsi_move_after): Likewise.
12692 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12693 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12694
12695 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12696
12697 PR tree-opt/25528
12698 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12699 and IMAGPART_EXPR.
12700 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12701 on non gimple variables. Also add checks at the top for decls and
12702 mtags.
12703 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12704 complex types.
12705 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12706 and IMAGPART_EXPR for creating MUST_DEFs.
12707 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12708 and NAME_MEMORY_TAG separately from the DECLs.
12709
12710 2006-01-06 Richard Guenther <rguenther@suse.de>
12711
12712 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12713 annotation, if necessary.
12714 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12715 redundant calls to update_stmt.
12716 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12717 Likewise.
12718
12719 2006-01-05 Richard Henderson <rth@redhat.com>
12720
12721 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12722
12723 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12724
12725 * c-typeck.c: Update copyright date.
12726
12727 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12728
12729 * c-typeck.c (build_c_cast): Always warn when casting
12730 from a pointer to an integer of different size, even if
12731 the node was constant.
12732
12733 2006-01-05 Richard Guenther <rguenther@suse.de>
12734
12735 PR tree-optimization/22555
12736 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12737 if one structure field is an array.
12738 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12739 operands even if we found a subvar, but ignore VOPs in this
12740 case.
12741 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12742 for renaming.
12743 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12744
12745 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12746
12747 PR middle-end/24998
12748 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12749
12750 2006-01-05 Richard Guenther <rguenther@suse.de>
12751 Diego Novillo <dnovillo@redhat.com>
12752
12753 * tree-pass.h (TODO_remove_unused_locals): Define.
12754 * gimple-low.c (expand_var_p, remove_useless_vars,
12755 pass_remove_useless_vars): Remove. Update all users.
12756 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12757 (remove_unused_locals): New function.
12758 * tree-flow.h (remove_unused_locals): Declare.
12759 * passes.c (execute_todo): Call remove_unused_locals if
12760 TODO_remove_unused_locals is set.
12761 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12762 * tree-ssa-dce.c (pass_dce): Likewise.
12763 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12764
12765 2006-01-05 Richard Guenther <rguenther@suse.de>
12766
12767 * tree-flow.h (struct fieldoff): Decompose field to
12768 type, size and decl.
12769 * tree-ssa-alias.c (create_sft): Take type as parameter.
12770 (create_overlap_variables_for): Store type, size and decl
12771 in the fieldoff structure.
12772 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12773 of struct fieldoff.
12774 (push_fields_onto_fieldstack): Likewise.
12775 (create_variable_info_for): Likewise. Use offset for the
12776 SFT name if the decl is not available.
12777
12778 2006-01-04 Paul Brook <paul@codesourcery.com>
12779
12780 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12781
12782 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12783
12784 * lambda-code.c (can_put_in_inner_loop): Relax
12785 restrictions.
12786 (can_put_after_inner_loop): New function.
12787 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12788 (perfect_nestify): Change to make copies and modify uses.
12789
12790 2006-01-04 Richard Henderson <rth@redhat.com>
12791
12792 Merge from gomp branch:
12793 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12794 via integer constant.
12795 (pragma_lex): Remove.
12796 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12797 rather than parsing it.
12798 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12799 handle_pragma_extern_prefix): Add %< %> quotes.
12800 (registered_pragmas): New.
12801 (c_register_pragma_1): New.
12802 (c_register_pragma): Use it.
12803 (c_register_pragma_with_expansion): Likewise.
12804 (c_invoke_pragma_handler): New.
12805 (init_pragma): Use cpp_register_deferred_pragma directly for
12806 pch_preprocess.
12807 * c-pragma.h (enum pragma_kind): New.
12808 (pragma_handler): New.
12809 (c_invoke_pragma_handler): Declare.
12810 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12811 CPP_PRAGMA_EOL.
12812 * c-common.h (c_common_pch_pragma): Update decl.
12813 * Makefile.in (c-parser.o): Update dependencies.
12814 (GTFILES): Add c-pragma.h.
12815 * c-parser.c (struct c_token): Add pragma_kind.
12816 (struct c_parser): Add in_pragma.
12817 (c_lex_one_token): Always initialize keyword and pragma_kind.
12818 Extract data for CPP_PRAGMA.
12819 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12820 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12821 Don't allow CPP_PRAGMA_EOL if in_pragma.
12822 (c_parser_consume_pragma): New.
12823 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12824 (c_parser_skip_to_end_of_parameter): Likewise.
12825 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12826 (c_parser_skip_to_pragma_eol): New.
12827 (c_parser_external_declaration): Handle CPP_PRAGMA.
12828 (c_parser_compound_statement_nostart): Likewise.
12829 (c_parser_statement_after_labels): Likewise.
12830 (c_parser_pragma): New.
12831 (pragma_lex): Likewise.
12832 (c_parser_pragma_pch_preprocess): New.
12833 (c_parser_new): Merge into ...
12834 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12835
12836 2006-01-04 Jeff Law <law@redhat.com>
12837
12838 PR ada/24994
12839 * tree-cfg.c (bsi_replace): Remove the original statement
12840 from the EH throw statement table.
12841
12842 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12843
12844 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12845 make the prototype extern "C" and add throw ().
12846
12847 PR target/25554
12848 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12849 and pos non-negative and pos + len <= 32.
12850 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12851 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12852 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12853
12854 PR c/25559
12855 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12856 as well as sizes not multiple of component size.
12857
12858 PR debug/25562
12859 * function.c (instantiate_expr): New function.
12860 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12861 walk its DECL_VALUE_EXPR with instantiate_expr.
12862
12863 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12864 DW_OP_deref{,_size} if address isn't going to be added.
12865
12866 2006-01-04 Ben Elliston <bje@au.ibm.com>
12867
12868 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12869 * config/fp-bit.c: Likewise.
12870
12871 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12872
12873 * dominance.c: Add comment about why we use DFS numbering
12874 of dominance tree.
12875
12876 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12877 Richard Henderson <rth@redhat.com>
12878
12879 Merge from gomp-branch:
12880 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12881 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12882
12883 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12884
12885 PR rtl-optimization/25578
12886 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12887 pass a parameter to simplify_shift_const if changing ASHIFTRT
12888 to LSHIFTRT.
12889
12890 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12891
12892 * builtins.c (get_builtin_sync_mem): New function.
12893 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12894 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12895 Call get_builtin_sync_mem to generate mem rtx.
12896
12897 2006-01-03 Richard Guenther <rguenther@suse.de>
12898
12899 PR c/25183
12900 * stmt.c (add_case_node): Make sure to clear overflow flags
12901 from ranges.
12902
12903 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12904
12905 Merge from gomp-branch.
12906 * config/sparc/sync.md: New file.
12907 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12908 UNSPECV_LDSTUB): New constants.
12909 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12910 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12911 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12912 prototype.
12913
12914 2006-01-03 Roger Sayle <roger@eyesopen.com>
12915
12916 * combine.c (reg_subword_p): New predicate to test whether the
12917 destination of a set refers to a subword/piece of a register.
12918 (try_combine): Generalize the code to merge the setting of a
12919 pseudo to a constant followed by a set of a subword of that
12920 register to a constant.
12921
12922 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12923
12924 * basic-block.h (control_flow_graph): Change the type of
12925 x_label_to_block_map to VEC(basic_block,gc) *.
12926 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12927 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12928
12929 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12930 VEC(basic_block,heap) *.
12931 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12932 ssa_prop_fini): Adjust the uses of cfg_blocks.
12933
12934 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12935
12936 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12937 COMPONENT_REFs.
12938 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12939 hashing trees instead of a pointer hash.
12940 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12941 compare for MEM_EXPR.
12942
12943 PR rtl-optimization/25130
12944 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12945 when comparing MEMs for GCSE
12946
12947 2006-01-03 Ben Elliston <bje@au.ibm.com>
12948
12949 * targhooks.h (default_decimal_float_supported_p): Declare.
12950 * targhooks.c (default_decimal_float_supported_p): Define.
12951 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12952 `default_decimal_float_supported_p'.
12953 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12954
12955 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12956
12957 * combine.c (apply_distributive_law <SUBREG>): Check
12958 TRULY_NOOP_TRUNCATION.
12959
12960 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12961
12962 * dwarf2out.c (have_switched_text_section): Delete.
12963 (have_multiple_function_sections): New.
12964 (have_location_lists): Make 'bool'.
12965 (add_AT_loc_list): Use 'true' not '1'.
12966 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12967 (output_loc_list): Use have_multiple_function_sections.
12968 (output_ranges): Likewise.
12969 (dwarf2out_begin_function): Set have_multiple_function_sections if
12970 necessary.
12971 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12972 Check function_section rather than DECL_SECTION_NAME.
12973 (dwarf2out_finish): Use have_multiple_function_sections.
12974 Don't clear have_location_lists.
12975
12976 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12977 Jan Hubicka <jh@suse.cz>
12978
12979 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12980 case of conditional jump jumping to the next instruction.
12981 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12982 cases of conditional jump jumping to the next instruction.
12983
12984 2006-01-02 Jan Hubicka <jh@suse.cz>
12985
12986 * i386.c (*_cost): Add COSTS_N_INSNS.
12987 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12988
12989 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12990
12991 PR target/25259
12992 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12993
12994 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12995
12996 * config/arm/arm.c (all_fpus): Fix comment typo.
12997 * config/darwin.c: Likewise.
12998 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12999 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13000 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13001
13002 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13003
13004 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13005 (rs6000_split_compare_and_swapqhi): New.
13006 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13007 (sync_compare_and_swapqhi_internal): New.
13008 * config/rs6000/rs6000-protos.h: Declare.