| blob | e5eb94cd1f01c8f136b7d17be0a0e985cf67c489 |
1 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in argument name.
5 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7 PR target/28150
8 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9 PRE_{INC,DEC} of TFmode.
11 2006-07-06 David Edelsohn <edelsohn@gnu.org>
12 Alan Modra <amodra@bigpond.net.au>
14 PR target/28170
15 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
16 bounds. Simplify.
18 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20 PR target/28285
21 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
22 Remove duplicate gtu.
24 2006-07-05 Jason Merrill <jason@redhat.com>
26 PR c++/13983
27 PR c++/17519
28 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
29 * c-common.c (handle_packed_attribute): So don't copy it here.
30 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
32 2006-07-05 Mike Stump <mrs@apple.com>
34 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
36 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
38 PR target/26146
39 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
41 2006-07-05 Richard Guenther <rguenther@suse.de>
43 PR target/28158
44 * config/i386/i386.md (*negdf2_1): Restrict pattern to
45 TARGET_SSE2 targets if using SSE math.
46 (*absdf2_1): Likewise.
48 2006-07-05 Richard Guenther <rguenther@suse.de>
50 PR tree-optimization/28162
51 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
52 make sure to convert the operands to the correct type.
54 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
56 PR tree-optimization/28218
58 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
59 to calculate and free the dominator information.
61 2006-07-04 Peter O'Gorman <peter@pogma.com>
63 * mklibgcc.in: chmod 644 before ranlib during install.
65 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
66 J"orn Rennecke <joern.rennecke@st.com>
68 * configure.ac (.eh_frame data check): Use diff -b.
70 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
72 PR bootstrap/18058
73 * Makefile.in (BUILD_RTL): Add build/vec.o.
74 (build/gencondmd.o): Filter out -fkeep-inline-functions.
75 (build/genextract): Delete.
76 (build/genautomata): Likewise.
78 2006-07-04 Alan Modra <amodra@bigpond.net.au>
80 PR target/28207
81 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
82 128-bit IBM long doubles for ABI_V4.
84 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
86 * tree.c (range_in_array_bounds_p): New predicate.
87 * tree.h (range_in_array_bounds_p): Declare it.
88 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
89 return a less conservative answer.
90 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
91 and flag 'is_group'.
92 (IS_ELEMENT_FOR_GROUP): New macro.
93 (FOR_EACH_ACTUAL_CHILD): Likewise.
94 (next_child_for_group): New helper function.
95 (can_completely_scalarize_p): Take into account groups.
96 (sra_hash_tree): Handle RANGE_EXPR.
97 (sra_elt_eq): Likewise.
98 (lookup_element): Be prepared for handling groups.
99 (is_valid_const_index): Delete.
100 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
101 instead of is_valid_const_index.
102 <ARRAY_RANGE_REF>: New case.
103 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
104 is_valid_const_index.
105 <ARRAY_RANGE_REF>: Do not unconditionally punt.
106 (scan_dump): Dump info for groups too.
107 (decide_instantiation_1): Likewise.
108 (decide_block_copy): Assert that the element is not a group.
109 Propagate decision to groups.
110 (generate_one_element_ref): Handle RANGE_EXPR.
111 (mark_no_warning): Iterate over actual childs.
112 (generate_copy_inout): Likewise.
113 (generate_element_copy): Likewise.
114 (generate_element_zero): Likewise.
115 (generate_element_init_1): Likewise.
116 (dump_sra_elt_name): Handle RANGE_EXPR.
118 2006-07-03 Roger Sayle <roger@eyesopen.com>
120 PR tree-optimization/26251
121 * tree-ssa-threadupdate.c (redirection_block_p): New function.
122 (thread_block): When optimizing for size refuse to thread jumps
123 that would require duplication of blocks other than redirection
124 blocks.
126 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
128 * configure.ac: Fix thinko in previous check-in.
129 * configure: Regenerate.
131 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
133 PR other/27063
134 * configure.ac (for lang...): Simplify nesting of conditionals.
135 Test subdir_requires for non-enabled languages. Move processing
136 of lang_opt_files and lang_tree_fiels below that test.
137 * configure: Regenerate.
138 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
140 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
142 * doc/gcov.texi (Invoking Gcov): Add a missing word.
144 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
146 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
147 comment typos.
149 2006-06-29 Jason Merrill <jason@redhat.com>
151 PR c++/26905
152 PR c++/26612
153 PR c++/27000
154 PR c++/26984
155 PR c++/19134
156 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
157 * c-common.c (c_determine_visibility): Handle it here.
158 * c-decl.c (finish_decl): Call c_determine_visibility for
159 functions, too.
160 * flags.h (enum symbol_visibility): Sort from most to least visibility.
161 * tree.h: Likewise.
162 * varasm.c (default_assemble_visibility): Likewise.
163 * c-common.c (handle_visibility_attribute): Complain about trying
164 to give visibility to an already defined class, or trying to change
165 declared visibility. Always attach the attribute.
167 PR c++/26905
168 PR c++/21675
169 PR c++/17470
170 * attribs.c (decl_attributes): Ignore type-in-place attributes
171 once the type has been defined.
173 2006-06-29 Roger Sayle <roger@eyesopen.com>
175 PR middle-end/27428
176 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
177 to indicate the cpplib has issued an error message for us.
179 2006-06-29 Asher Langton <langton2@llnl.gov>
181 PR target/25765
182 * config/i386/i386.c (ix86_output_function_epilogue): Don't
183 insert a label at the end of an function under Mach-O.
185 2006-06-29 Eric Christopher <echristo@apple.com>
186 Evan Cheng <evan.cheng@apple.com>
188 * predicates.md (vector_all_ones_operand): New.
189 (nonimmediate_or_sse_const_operand): Ditto.
190 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
191 * config/i386/i386.c (standard_sse_constant_opcode): Define.
192 (standard_sse_mode_p): Ditto.
193 (standard_sse_constant_p): Add case for -1 vector.
194 (ix86_expand_vector_move): Try to use.
195 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
196 Call standard_sse_constant_opcode.
197 (*movv4sf_internal): Ditto.
198 (*movv2df_internal): Ditto.
200 2006-06-29 Roger Sayle <roger@eyesopen.com>
202 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
203 of XEXP to extract the operands of a MATCH_CODE rtx.
205 2006-06-28 Andrew Pinski <pinskia@gmail.com>
207 * tree.c (tree_size): Do not waste tail padding in
208 struct tree_string and make the size be the same as
209 build_string will generate.
211 2006-06-28 Jason Merrill <jason@redhat.com>
213 PR c++/27768
214 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
215 may_aliases already in the tag's annotations to the bitmap.
217 2006-06-28 Roger Sayle <roger@eyesopen.com>
219 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
221 2006-06-28 Roger Sayle <roger@eyesopen.com>
223 * genpreds.c (generate_switch_p): New function.
224 (add_mode_tests): Push the new mode test down inside an AND expr
225 if this allows the switch-suitable MATCH_CODE to be near the root.
226 (write_match_code_switch): New function to write a MATCH_CODE as
227 a switch statement.
228 (write_predicate_stmts): New function to write a predicate RTX
229 expression as a sequence of statements.
230 (write_one_predicate_function): Use write_predicate_stmts.
231 (write_tm_constrs_h): Likewise.
233 2006-06-26 Fred Fish <fnf@specifix.com>
235 * config/mips/t-sb1: New file.
236 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
237 tmake_file list.
239 2006-06-26 DJ Delorie <dj@redhat.com>
241 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
243 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
244 Jayant Sonar <jayants@kpitcummins.com>
245 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
247 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
248 (subsi3, subsi3_1, subsi3_2): New.
249 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
250 * config/m32c/mov.md (SI mov peephole): New.
251 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
252 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
254 2006-06-26 Olivier Hainque <hainque@adacore.com>
256 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
257 a CALL_EXPR target function declaration.
259 2006-06-26 Richard Guenther <rguenther@suse.de>
261 * tree.c (build_string): Do not waste tail padding in
262 struct tree_string.
264 2006-06-26 Richard Guenther <rguenther@suse.de>
266 * ggc-page.c (init_ggc): Add missing element to size_lookup
267 table.
269 Revert
270 2006-06-23 Richard Guenther <rguenther@suse.de>
272 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
273 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
274 alignment requests instead. Add verification code.
275 Add struct tree_function_decl and struct tree_binfo size to
276 extra_order_size_table. Add missing element to size_lookup
277 table.
279 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
281 PR middle-end/28151
282 * fold-const.c (const_binop): Be prepared for self returning zero.
283 Simplify code handling complex values.
285 2006-06-24 Olivier Hainque <hainque@adacore.com>
287 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
288 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
289 aggregate types.
291 2006-06-24 Olivier Hainque <hainque@adacore.com>
293 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
294 ARRAY_REF, so have the callback called for the low bound expression.
296 2006-06-23 Janis Johnson <janis187@us.ibm.com>
298 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
299 * c-typeck.c (c_common_type): Disallow operations on decimal float
300 types and other float types.
301 * convert.c (convert_to_real): Don't ignore conversions involving
302 decimal float types.
304 2006-06-23 Olivier Hainque <hainque@adacore.com>
306 * tree.c (max_int_size_in_bytes): New function, inspired from
307 code in function.c:assign_temp.
308 * tree.h (max_int_size_in_bytes): Declare.
309 * function.c (assign_temp): Use it.
310 * gimplify.c (create_tmp_var): Relax the assertions on the type
311 properties, not mandating constant size any more.
312 (force_constant_size): New static function.
313 (gimple_add_tmp_var): Use it, forcing variable size to a
314 constant upper bound if it is not constant on entry.
316 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
318 PR target/27789
319 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
320 for initialization and setting of one_only flag to ...
321 (i386_pe_encode_section_info): ...here.
322 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
323 Recheck that the symbol has not been defined.
325 2006-06-23 Richard Guenther <rguenther@suse.de>
327 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
328 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
329 alignment requests instead. Add verification code.
330 Add struct tree_function_decl and struct tree_binfo size to
331 extra_order_size_table. Add missing element to size_lookup
332 table.
334 2006-06-22 Roger Sayle <roger@eyesopen.com>
335 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
337 PR middle-end/28131
338 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
339 call to lang_hooks.types.type_for_mode returned NULL_TREE.
341 2006-06-23 Ben Elliston <bje@au.ibm.com>
343 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
344 negate dn -- manipulate it directly.
346 2006-06-22 Roger Sayle <roger@eyesopen.com>
347 Steven Bosscher <stevenb.gcc@gmail.com>
349 PR target/27531
350 * reload1.c (gen_reload): Call mark_jump_label on the new insns
351 generated by gen_move_insn to add REG_LABEL notes if necessary.
353 2006-06-22 Bob Wilson <bob.wilson@acm.org>
355 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
356 (leaf_entry): Remove use of MIN_ESA.
358 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
360 PR rtl-optimization/28121
361 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
362 the entry edge.
364 2006-06-21 DJ Delorie <dj@redhat.com>
366 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
367 (TN-16C-A156A/E).
368 (mulhisi3_r): Likewise.
370 2006-06-21 Richard Sandiford <richard@codesourcery.com>
372 PR middle-end/28034
373 * coverage.c (coverage_counter_alloc): Leave the index type
374 unspecified.
375 (coverage_counter_alloc): Use null arguments for operands 2 and 3
376 of the ARRAY_REF.
378 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
380 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
381 section from the "Options for Code Generation Conventions".
383 2006-06-21 Richard Henderson <rth@redhat.com>
385 PR target/26347
386 PR target/27082
387 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
388 symbols.
389 (global_symbolic_operand): Allow weak symbols, even if local_p.
391 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
393 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
394 (find_interesting_uses_address): Punt if above function returns true.
396 2006-06-21 Richard Guenther <rguenther@suse.de>
398 * configure: Regenerated.
400 2006-06-21 Joseph Myers <joseph@codesourcery.com>
402 * config/mips/mips.c (function_arg): Where one part of a
403 complex argument is in registers and the other part in the stack,
404 return a REG not a PARALLEL.
406 2006-06-21 Mark Mitchell <mark@codesourcery.com>
408 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
409 when cross-compiling. Do not substitute libstdcxx_incdir.
410 * configure: Regenerated.
412 2006-06-21 Jakub Jelinek <jakub@redhat.com>
414 * varasm.c (mergeable_string_section): Check for embedded NULs and
415 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
416 rather than TREE_STRING_LENGTH bytes.
418 2006-06-21 Richard Guenther <rguenther@suse.de>
420 * ggc-page.c (extra_order_size_table): Add var_ann_d,
421 tree_ssa_name, bitmap_element and phi_node with 4 arguments
422 sizes.
424 2006-06-21 Richrad Guenther <rguenther@suse.de>
426 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
427 Limit iteration over the dominators.
429 2006-06-20 Roger Sayle <roger@eyesopen.com>
431 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
432 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
434 2006-06-20 Richard Guenther <rguenther@suse.de>
435 Michael Matz <matz@suse.de>
437 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
438 function.
439 * alloc-pool.c (free_alloc_pool_if_empty): New function.
440 * et-forest.h (et_free_pools): Prototype new function.
441 * et-forest.c (et_free_tree_force): Free parent occurrence.
442 (et_free_pools): New function.
443 * dominance.c (free_dominance_info): Free et-forest alloc
444 pools.
446 2006-06-20 Roger Sayle <roger@eyesopen.com>
448 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
449 integer modes, attempt to directly construct an integer constant.
451 * fold-const.c (native_encode_vector): Determine the size of each
452 element from the vector type instead of the first vector element.
454 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
455 if all of its elements/components are constant.
456 (build_constructor_from_list): Likewise.
458 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
460 PR tree-optimization/27331
461 * tree-data-ref.c (free_data_ref): New function.
462 (create_data_ref): Fail if the data reference has unknown access
463 function.
464 (free_data_refs): Use free_data_ref.
466 2006-06-19 Andrew Pinski <pinskia@gmail.com>
468 PR middle-end/28075
469 * tree-inline.c (setup_one_parameter): Strip useless
470 type conversion before adding it to the IR.
471 (declare_return_variable): Likewise.
473 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
475 PR c/27149
476 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
478 2006-06-19 Mike Stump <mrs@apple.com>
480 * tree.c (variably_modified_type_p): VM arguments don't make the
481 type a VM type.
483 2006-06-19 Richard Guenther <rguenther@suse.de>
485 * tree-ssa-pre.c (try_combine_conversion): Strip useless
486 type conversions after folding.
488 2006-06-19 Richard Guenther <rguenther@suse.de>
490 * ggc-page.c (extra_order_size_tab): Add entries with
491 size of struct function and basic_block.
492 (size_lookup): Extend to cover sizes up to 511.
493 (ggc_alloc_stat): Adjust user.
494 (ggc_pch_count_object): Likewise.
495 (ggc_pch_alloc_object): Likewise.
496 (ggc_pch_write_object): Likewise.
498 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
500 * tree-ssa-loop-niter.c (implies_ge_p): New function.
501 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
502 correctly.
504 2006-06-19 Denis Chertykov <denisc@overta.ru>
506 * config/avr/libgcc.S : Correct my wrong previous commit.
508 2006-06-19 Roger Sayle <roger@eyesopen.com>
510 PR target/27861
511 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
512 have stripped a SUBREG from the shift count, so we may need to
513 convert_to_mode back to the type's mode before calling make_tree.
514 Use new_amount instead of amount to avoid expanding a tree twice.
516 2006-06-19 Richard Guenther <rguenther@suse.de>
518 PR middle-end/28045
519 * fold-const.c (operand_equal_p): Check if the argument types
520 have the same precision before stripping NOPs.
522 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
524 Fix PR tree-optimization/27341
525 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
526 statement we get.
527 * tree-complex.c (pass_lower_complex): Update SMT usage.
529 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
531 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
532 Add a new alternative to the constraint strings. Add move of
533 operand 1 to 3 to the splitter definition.
534 ("doloop_si_long"): Second contraint alternative removed.
536 2006-06-08 Anatoly Sokolov <aesok@post.ru>
538 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
539 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
540 __AVR_HAVE_LPMX__.
541 (AVR_HAVE_MOVW) Define.
542 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
543 (ASM_SPEC): Add avr25.
544 (LINK_SPEC): Add avr25.
545 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
546 (base_arch_s): Add new member 'have_movw_lpmx'.
547 (avr_arch_types): Init 'have_movw_lpmx'.
548 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
549 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
550 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
551 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
552 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
553 AVR_HAVE_MOVW.
554 (avr_file_start): Do not output '.arh' derective.
555 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
556 (__do_copy_data): Use __AVR_HAVE_LPMX__.
557 * config/avr/avr.md (mcu_enhanced): Delete.
558 (mcu_have_movw): Define.
559 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
560 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
561 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
562 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
563 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
564 attiny861 and at86rf401 devices.
566 2006-06-18 Jie Zhang <jie.zhang@analog.com>
568 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
569 of 4096.
571 2006-06-17 Karl Berry <karl@gnu.org>
573 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
574 doc/gccint.texi, doc/install.texi (@dircategory): Use
575 "Software development" instead of "Programming", following
576 the Free Software Directory.
578 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
580 * config/i386/i386.c (legitimate_tls_address)
581 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
582 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
583 (*tls_dynamic_gnu2_combine_64): Likewise.
585 2006-06-16 Richard Guenther <rguenther@suse.de>
587 PR middle-end/27116
588 * fold-const.c (negate_expr_p): Do not introduce undefined
589 overflow in negating INTEGER_CSTs.
590 (fold_negate_expr): Rename from negate_expr. Revert last
591 change for folding BIT_NOT_EXPR. Change semantics to
592 return NULL_TREE for non-simplified negations. Do not
593 strip type conversions and unify type handling.
594 (negate_expr): New function, wrap around fold_negate_expr
595 but ensure building a tree always. Strip type conversions
596 here, fold to result type.
597 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
599 2006-06-16 Roger Sayle <roger@eyesopen.com>
601 PR middle-end/27802
602 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
603 that (would) return their results in stack registers.
605 2006-06-16 Michael Matz <matz@suse.de>
606 Richard Guenther <rguenther@suse.de>
608 * fold-const.c (fold_truthop): Only return new tree node if
609 we canonicalized something.
611 2006-06-16 Richard Guenther <rguenther@suse.de>
613 * function.h (enum function_frequency): Move declaration
614 out of struct function.
615 (struct function): Move bool fields and the enum to the bitfield
616 section. Reorder elements to avoid padding. Remove unused
617 fields left over from the RTL inliner removal.
618 * function.c (free_after_compilation): Do not zero removed fields.
619 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
620 (ipa-type-escape.o): Likewise.
622 2006-06-16 Richard Guenther <rguenther@suse.de>
624 * cgraph.h (struct cgraph_local_info): Turn bool elements
625 into a bitfield.
626 (struct cgraph_node): Likewise.
627 (struct cgraph_varpool_node): Likewise.
629 2006-06-15 Richard Guenther <rguenther@suse.de>
631 * fold-const.c (fold_truth_not_expr): Rename from
632 invert_truthvalue. Give it fold_* semantics to avoid
633 generating garbage.
634 (invert_truthvalue): New function. Wrapper around
635 fold_truth_not_expr.
636 (optimize_minmax_comparison): Avoid creating garbage.
637 (fold_unary): Use fold_truth_not_expr for folding
638 TRUTH_NOT_EXPR.
639 (fold_ternary): Replace uses of invert_truthvalue with
640 fold_truth_not_expr where applicable.
641 * tree.h (fold_truth_not_expr): Prototype.
643 2006-06-16 Richard Guenther <rguenther@suse.de>
645 PR tree-optimization/27781
646 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
647 * ipa-pure-const.c (target.h): Include.
648 (analyze_function): Do not analyze functions that do not
649 bind locally.
651 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
653 PR middle-end/27793
654 * tree-dfa.c (referenced_vars_dup_list): Remove.
655 (find_referenced_vars): Remove assert.
656 (referenced_var_check_and_insert): Replace dup list with assert.
657 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
658 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
660 2006-06-15 Richard Guenther <rguenther@suse.de>
662 * tree-ssa-structalias.c (alias_get_name): Avoid creating
663 extra unused identifiers if not dumping.
664 (create_variable_info_for): Likewise.
666 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
668 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
669 (derive_constant_upper_bound): Derive more precise upper bound in
670 common cases. Return type changed to double_int.
671 (record_estimate): Reflect the changed return type of
672 derive_constant_upper_bound.
673 * double-int.c (double_int_zext, double_int_sext): Fix.
675 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
677 * configure.ac (CFLAGS): Get them from the toplevel or from the
678 configure invocation.
679 * configure: Regenerate.
680 * Makefile.in (CFLAGS): Substitute value provided by configure.
682 2006-06-14 Mark Mitchell <mark@codesourcery.com>
684 PR c++/26559
685 * c-common.h (c_finish_omp_atomic): Adjust declaration.
686 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
687 rather than calling add_stmt on it.
688 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
690 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
692 PR middle-end/27959
693 * reload1.c (reload): Remove registers returned by update_eliminables
694 from used_spill_regs.
696 2006-06-13 DJ Delorie <dj@redhat.com>
698 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
700 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
702 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
703 html__strip_dir, html__mkdir_p. Enhance install-html target.
704 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
705 * configure: Regenerate.
707 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
709 * fold-const.c (fold_cond_expr_with_comparison): Check for
710 Objective-C++ as language in deciding COND_EXPR transformation.
712 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
714 PR target/28014:
715 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
716 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
717 * config/sh/lib1funcs.h (SL, SL1): Define.
718 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
719 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
720 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
721 (OBJS_Os_4_200): New variable.
722 ($(T)libgcc-Os-4-200.a): Use it.
723 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
724 when dividing 1 and/or by 0.
726 2006-06-13 Roger Sayle <roger@eyesopen.com>
728 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
729 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
730 * configure: Regenerate.
732 2006-06-13 Jie Zhang <jie.zhang@analog.com>
734 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
735 for real instruction.
737 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
739 PR middle-end/26807
740 * haifa-sched.c (check_cfg): Handle special case.
742 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
744 PR debug/26754
745 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
746 Add debug_info parameter. Chain the vars to the BLOCK instead
747 of the BIND_EXPR if debug info are requested for them.
748 (pop_gimplify_context): Adjust for above change.
749 (gimple_add_tmp_var): Likewise.
750 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
751 Add bool parameter.
752 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
753 (convert_local_reference): Likewise.
754 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
755 (finalize_nesting_tree_1): Request that debug info be emitted
756 for debug_var_chain.
758 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
760 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
761 for PR target/27863.
763 2006-06-13 Richard Guenther <rguenther@suse.de>
765 PR middle-end/27536
766 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
768 2006-06-13 Richard Guenther <rguenther@suse.de>
770 PR tree-optimization/27830
771 * tree-inline.c (copy_body_r): For copying the operand
772 of an ADDR_EXPR make sure to fold &* afterwards.
774 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
776 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
777 lvalues in the fb_none case with side-effects.
779 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
781 * tree-flow.h: Remove the prototype for
782 compute_phi_arg_on_exit.
783 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
784 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
785 Remove.
787 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
789 * builtins.c (expand_builtin_return_addr): Only use
790 frame_pointer_rtx when count == 0 and we are expanding
791 __builtin_return_address.
793 2006-06-12 Fred Fish <fnf@specifix.com>
795 * config/mips/mips.c (mips_file_start): Create special section
796 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
798 2006-06-11 Eric Christopher <echristo@apple.com>
800 PR middle-end/27948
801 * stor-layout.c (place_field): Remove check for
802 remaining_in_alignment when aligning at the end of a run.
804 2006-06-11 Eric Christopher <echristo@apple.com>
806 PR 27542
807 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
808 pragma.
810 2006-06-11 Roger Sayle <roger@eyesopen.com>
812 PR target/27858
813 Revert incorrect fix for PR target/27158
814 2006-05-08 Roger Sayle <roger@eyesopen.com>
815 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
816 of a reg_equiv_constant if the result is a legitimate constant.
818 2006-06-11 Roger Sayle <roger@eyesopen.com>
820 PR target/27158
821 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
822 extract a CONST_VECTOR element and interpret it as an integer.
823 (vspltis_constant): Use const_vector_elt_as_int instead of the
824 macro CONST_VECTOR_ELT in order to handle FP vector modes.
825 * config/rs6000/predicates.md (easy_vector_const): Consider
826 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
828 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
830 PR middle-end/27942
831 * stor-layout.c (update_alignment_for_field): Don't add extra
832 alignment for packed non-bitfield fields in ms_bitfield_layout_p
833 code.
835 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
837 * config/mips/t-rtems: Add EL/EB multilib variants.
839 2006-06-09 Mike Stump <mrs@apple.com>
841 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
843 2006-06-09 David Daney <ddaney@avtrex.com>
845 * doc/install.texi: Add binutils version recommendation for mips-*-*.
847 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
849 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
851 2006-06-09 Richard Guenther <rguenther@suse.de>
853 PR tree-optimization/26998
854 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
855 of signed types, only TYPE_MIN_VALUE is special, but for both,
856 minimum and maximum value. Likewise VR_ANTI_RANGE is special
857 in this case, as is -fwrapv.
859 2006-06-08 Mike Stump <mrs@apple.com>
861 PR target/26427
862 * config/darwin.c (darwin_asm_output_anchor): Disable
863 -fsection-anchors on darwin for now.
864 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
865 * rs6000/rs6000.c (optimization_options): Likewise.
867 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
869 PR target/27421
870 * config/i386/i386.c (classify_argument): Skip fields with invalid
871 types in unions.
873 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
875 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
876 (cse_insn): Likewise for the stack_pointer_rtx.
878 2006-06-08 Roger Sayle <roger@eyesopen.com>
880 * tree-ssa-dom.c (record_conditions): Only record "unordered"
881 conditions from floating point comparisons.
883 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
885 PR middle-end/27733
886 * expmed.c (struct alg_hash_entry): Fix type of field T
887 to match synth_mult argument.
888 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
890 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
892 PR target/27863
893 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
894 block boundaries.
896 2006-06-08 Richard Guenther <rguenther@suse.de>
898 PR middle-end/27116
899 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
900 only, if overflow is defined and not trapping.
901 (negate_expr): Likewise.
903 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
905 PR tree-optimization/27872
906 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
907 flag on the new exit edge of the unrolled loop.
909 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
911 PR rtl-optimization/26449
912 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
914 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
916 PR middle-end/27793
917 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
918 referenced_variables with matching DECL_UID's.
919 (find_referenced_vars): Make sure duplicate list is empty to start.
920 (referenced_var_p): Remove.
921 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
922 Check if var is in the list, and add if needed. Update the duplicate
923 list if a different var is in the list with the same DECL_UID.
924 (add_referenced_var): Call routine to check and insert.
925 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
926 * tree-flow.h (referenced_vars_dup_list): External declaration.
928 2006-06-07 Fred Fish <fnf@specifix.com>
930 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
931 into single entry.
933 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
935 PR target/27390
936 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
937 the imaginary and real parts of a clobbered register.
938 Emit insn to set the imaginary part.
940 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
942 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
943 in lieu of unwind-dw2-fde.c.
945 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
947 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
949 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
951 PR target/27842
952 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
953 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
954 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
955 V4SImode temporaries and operations instead.
957 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
959 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
960 dp-bit.c.
962 2006-06-06 Mike Stump <mrs@apple.com>
964 * Makefile.in: Rename to htmldir to build_htmldir to avoid
965 installing during build.
967 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
969 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
970 value to 0.
971 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
972 * config/ia64/ia64.c (params.h): New header.
973 (ia64_optimization_options): New function to adjust parameters.
974 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
975 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
976 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
978 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
980 * stor-layout.c (debug_rli): Fix a typo in a debug message.
982 2006-06-05 Steve Ellcey <sje@cup.hp.com>
984 PR target/27051
985 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
987 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
988 Victor Kaplansky <victork@il.ibm.com>
990 PR tree-optimization/26360
991 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
992 stmts.
994 2006-06-04 Roger Sayle <roger@eyesopen.com>
995 Andrew Pinski <pinskia@physics.uc.edu>
997 PR middle-end/27382
998 * c-common.c (c_common_truthvalue_conversion): Explicitly check
999 for LABEL_DECL before calling DECL_WEAK.
1001 PR c/27150
1002 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1003 LABEL_DECL and PARM_DECL.
1005 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1007 PR c/25161
1008 PR c/27020
1009 * c-decl.c (grokdeclarator): Disallow variably modified types at
1010 file scope. Avoid marking shared array type of constant size as
1011 VLA.
1013 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1015 PR c++/27601
1016 * c-common.c (fold_offsetof_1): Handle static members.
1018 2006-06-04 Eric Christopher <echristo@apple.com>
1020 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1021 (debug_rli): Output value for remaining_in_alignment.
1022 (update_alignment_for_field): Unconditionalize
1023 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1024 extra alignment code.
1025 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1026 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1027 * tree.h (record_layout_info_s): Remove prev_packed.
1028 * doc/extend.texi (ms_struct): Add documentation of format.
1030 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1032 * tree.h: Declare folding_initializer.
1033 * builtins.c (fold_builtin_constant_p): Give definite answer
1034 if folding inside an initializer.
1035 * fold-const.c: Define folding_initializer.
1036 (START_FOLD_INIT): Save and then set folding_initializer.
1037 (END_FOLD_INIT): Restore folding_initializer.
1039 2006-06-04 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/27039
1042 * fold-const.c (fold_comparison): Handle pointer comparison
1043 again for all comparison codes. Compare offsets in signed
1044 size type.
1045 (fold_binary): Move code from here.
1047 2006-06-03 Roger Sayle <roger@eyesopen.com>
1049 PR target/26223
1050 * config/i386/i386.c (construct_container): Split static issued_error
1051 flag into issued_sse_arg_error, issued_sse_ret_error and
1052 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1053 requires the use of x87 registers and the user explicitly
1054 specified the -mno-80387 command line option.
1056 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1058 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1059 HAVE_DECL_SIGALTSTACK.
1060 (MC_FLD): New.
1061 (segv_handler): Use MC_FLD.
1062 * configure.ac: Check for a sigaltstack declaration.
1063 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1064 * configure: Regenerate.
1065 * config.in: Regenerate.
1067 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1069 PR other/27850
1070 * Makefile.in (stmp-fixinc): Fix typo.
1072 2006-06-02 Roger Sayle <roger@eyesopen.com>
1074 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1075 are type correct. Clean-up.
1076 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1077 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1079 2006-06-01 DJ Delorie <dj@redhat.com>
1081 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1082 shift, as we've disabled the "switch" insn that needs it.
1084 2006-06-01 Per Bothner <bothner@bothner.com>
1086 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1087 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1088 * c-ppoutput.c (cb_define): Don't increment line 0.
1090 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1092 * doc/invoke.texi: Add cpu_type power6.
1093 * config.gcc: Add cpu_type power6.
1094 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1095 to power5+ with Altivec.
1096 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1097 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1099 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1101 * config/avr/avr.h (SET_ASM_OP): Define.
1103 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1105 * config/bfin/bfin.c: Fix comment typos.
1107 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1109 PR 25453
1110 * doc/install.texi: Document --enable-bootstrap and
1111 --disable-bootstrap.
1113 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1115 * doc/install.texi: Document that InfoZIP can replace jar.
1117 2006-05-31 Roger Sayle <roger@eyesopen.com>
1119 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1120 isn't available, directly generate the simpler x87 patterns without
1121 the (use (const_int 0)).
1122 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1123 implementation isn't available.
1124 (*negdf2_1): Likewise.
1125 (*negxf2_1): XF mode negation is always done using the x87.
1126 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1128 2006-05-31 Roger Sayle <roger@eyesopen.com>
1130 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1131 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1132 cabs(z).
1133 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1135 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1137 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1138 * config/bfin/bfin.c (basic-block.h): Include.
1139 (struct machine_function): New.
1140 (bfin_init_machine_status): New.
1141 (override_options): Initialize init_machine_status.
1142 (bfin_hardware_loop): New.
1143 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1144 (DEF_VEC_P (loop_info)): New.
1145 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1146 (struct loop_info): New.
1147 (loop_info): New typedef.
1148 (struct loop_work): New.
1149 (loop_work): New typedef.
1150 (DEF_VEC_O (loop_work)): New.
1151 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1152 (bfin_dump_loops): New.
1153 (bfin_bb_in_loop): New.
1154 (bfin_scan_loop): New.
1155 (bfin_optimize_loop): New.
1156 (bfin_reorg_loops): New.
1157 (bfin_reorg): Use bfin_reorg_loops.
1158 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1159 loop registers.
1160 (I_REGNO_P): Simplify.
1161 (DP_REGNO_P, DPREG_P): New macros.
1162 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1163 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1164 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1165 Add LT_REGS, LC_REGS, LB_REGS.
1166 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1167 'l' for LB_REGS.
1168 (REGNO_REG_CLASS): Deal with loop registers.
1169 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1170 letters.
1171 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1172 New constants for loop registers.
1173 (UNSPEC_LSETUP_END): New.
1174 (seq_insns): New define_attr. Set it for appropriate insns.
1175 (movsi_insn): Add alternatives for move from/to
1176 loop count registers.
1177 (doloop_end): New define_expand.
1178 (loop_end): New define_insn.
1179 (define_split for bad doloop_end): New.
1180 (lsetup_with_autoinit): New define_insn.
1181 (lsetup_without_autoinit): New define_insn.
1182 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1183 * config/bfin/predicates.md (lc_register_operand): New.
1184 (lt_register_operand): New.
1185 (lb_register_operand): New.
1186 (nondp_register_operand): New.
1187 (nondp_reg_or_memory_operand): New.
1188 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1190 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1192 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1193 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1195 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1197 * Makefile.in (CATALOGS): Add po/ prefix.
1198 * configure: Regenerated.
1200 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1202 PR target/27829
1203 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1204 a shift operand before calling shift_op. Avoid redundant call of
1205 shift_op.
1207 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1208 DJ Delorie <dj@redhat.com>
1210 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1211 we're inserting is a singlt-bit constant.
1213 2006-05-30 Roger Sayle <roger@eyesopen.com>
1215 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1216 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1218 2006-05-30 Roger Sayle <roger@eyesopen.com>
1220 PR tree-optimization/23452
1221 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1222 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1223 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1224 complex values and with -ffast-math for FP complex values.
1226 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1228 * c-common.h: Remove the prototype for yyparse.
1229 * rtl.h: Remove the prototype for init_loop.
1231 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1233 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1234 calling recog.
1236 2006-05-30 Roger Sayle <roger@eyesopen.com>
1238 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1239 and rotate cases.
1240 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1241 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1243 2006-05-30 Dirk Mueller <dmueller@suse.de>
1245 PR c/27273
1246 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1247 for CONSTANT_CLASS_P expresisons.
1249 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1251 PR c/27718
1252 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1254 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1256 PR tree-optimization/27779
1257 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1258 initial_condition instead of CHREC_LEFT.
1260 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1262 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1263 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1264 Make prototypes ISO C90.
1266 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1267 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1269 * see.c (see_analyze_one_def): Correct check.
1270 (see_get_extension_data): Check if extension is parallel.
1271 (see_get_extension_reg): Likewise.
1273 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1275 PR target/27790
1276 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1277 into register for (code == GTU).
1279 2006-05-29 Roger Sayle <roger@eyesopen.com>
1281 PR tree-optimization/24964
1282 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1283 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1284 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1285 abs(x)*abs(x) as x*x for scalar floating point modes.
1287 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1289 PR middle-end/27745
1290 * lambda-code.c (perfect_nestify): Don't copy statements
1291 in the inner loop: move them to the inner loop header.
1293 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1295 PR 26237
1296 * c-tree.texi: Document OpenMP directives and clauses.
1298 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1300 * varasm.c (globalize_decl): Fix indentation.
1302 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1304 PR 26242
1305 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1306 pass_fre, pass_store_ccp, pass_copy_prop,
1307 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1308 pass_return_slot, pass_object_size, pass_lim,
1309 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1310 pass_loop_prefetch and pass_stdarg.
1312 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1314 * config/bfin/bfin.opt (mfdpic): New option.
1315 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1316 (EXTRA_MULTILIB_PARTS): Likewise.
1317 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1318 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1319 multilib.
1320 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1321 (CRT_CALL_STATIC_FUNCTION): New.
1322 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1323 -shared.
1324 (CRT_CALL_STATIC_FUNCTION): New.
1325 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1326 FD-PIC moves.
1327 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1328 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1329 (initialize_trampoline): Changed to handle FD-PIC code generation.
1330 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1331 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1332 (override_options): Disallow -mid-shared-library -mfdpic combination.
1333 Can't do unaligned ops if FD-PIC.
1334 Turn off flag_pic if trying to generate non-id-shared-library
1335 non-fdpic code, since it's not supported.
1336 (bfin_assemble_integer): New function.
1337 (TARGET_ASM_INTEGER): Define.
1338 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1339 __BFIN_FDPIC__.
1340 * config/bfin/crtn.s: Restore them.
1341 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1342 if TARGET_FDPIC.
1343 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1344 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1345 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1346 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1347 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1348 call-used.
1349 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1350 FDPIC_REGS and FDPIC_FPTR_REGS.
1351 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1352 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1353 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1354 (load_funcdescsi): New pattern.
1355 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1356 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1357 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1359 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1361 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1362 loop.c.
1364 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1366 * tree-flow.h: Remove the prototype for add_type_alias.
1367 * tree-ssa-alias.c (add_type_alias): Remove.
1369 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1371 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1372 config/fr30/fr30.md, config/i386/i386-interix.h,
1373 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1374 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1375 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1376 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1377 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1378 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1379 Follow spelling conventions.
1380 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1381 Follow spelling conventions.
1383 2006-05-27 Richard Guenther <rguenther@suse.de>
1385 PR middle-end/27773
1386 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1387 to produce a constant of value 1 of generic type.
1389 2006-05-27 Dirk Mueller <dmueller@suse.de>
1391 * cgraphunit.c (decide_is_function_needed): Fix wrong
1392 PR reference.
1394 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1396 PR rtl-optimization/27661
1397 * reload.c (find_reloads): When reloading a VOIDmode constant
1398 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1399 use Pmode as mode of the reload register.
1401 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1403 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1404 is enabled at -O and above.
1406 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1408 PR target/27571
1409 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1410 table data.
1412 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1414 PR c++/20103
1415 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1416 for anonymous variables explicitly declared by front ends.
1418 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1420 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1421 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1422 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1423 ref-all pointers, run a finalization pass for them.
1424 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1425 (finalize_ref_all_pointers): New function.
1426 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1427 regular pointer type to a ref-all pointer type.
1428 (get_tmt_for): Return the special memory tag for ref-all pointers.
1430 2006-05-25 Richard Guenther <rguenther@suse.de>
1432 PR middle-end/27743
1433 * fold-const.c (fold_binary): Do not look at the stripped
1434 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1436 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1438 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1439 for LT and GT if the computed range is effectively empty.
1441 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1443 PR target/27627
1444 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1445 mips_quad_format formats instead of ieee_single_format,
1446 ieee_double_format and ieee_quad_format formats, respectively.
1448 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1450 PR tree-optimization/27639
1451 PR tree-optimization/26719
1452 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1453 call to scev_probably_wraps_p.
1454 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1455 used_in_pointer_arithmetic_p, convert_step): Removed.
1456 (nowrap_type_p): New function.
1457 (scev_probably_wraps_p): Rewritten.
1458 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1459 chrec_convert if chrec_convert_aggressive might have been used.
1460 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1461 scev_direction): New functions.
1462 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1463 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1464 instead of convert_step.
1465 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1466 (convert_step): Declaration removed.
1467 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1469 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1471 * df-core.c: Added to header comments.
1472 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1473 df_ur_bb_info, df_urec_bb_info): Added comments.
1474 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1475 urec, ri problems): Fixed header comments.
1476 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1477 code from df_rd_transfer_function.
1479 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1481 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1482 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1483 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1485 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1487 * expr.c (undefined_operand_subword_p): New.
1488 (emit_move_multi_word): Do not generate move from undefined bits
1489 of a paradoxical subreg.
1491 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1493 PR rtl-optimization/27736
1494 * combine.c (replaced_rhs_value): New variable.
1495 (combine_instructions): Set it.
1496 (distribute_notes): When distributing a note in replaced_rhs_insn,
1497 check whether the value was used in replaced_rhs_value.
1499 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1501 PR c++/26757
1502 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1503 add_referenced_var instead of add_referenced_tmp_var.
1504 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1505 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1506 add_referenced_var.
1507 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1508 tree_optimize_tail_calls_1): Use add_referenced_var.
1509 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1510 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1511 Use add_referenced_var.
1512 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1513 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1514 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1515 Use add_referenced_var.
1516 * tree-dfa.c (struct walk_state): Remove.
1517 (find_referenced_vars): Remove walk state and vars_found hash table.
1518 (make_rename_temp): Use add_referenced_var.
1519 (find_vars_r): Pass less parameters to add_referenced_var.
1520 (referenced_var_p): New. Is var in referenced_var hash table.
1521 (referenced_var_insert): Assert var isn't already in hash table.
1522 (add_referenced_var): Don't need walk_state parameter. Add var if it
1523 isn't already in the hash table.
1524 (add_referenced_tmp_var): Remove.
1525 (find_new_referenced_vars_1): Use add_referenced_var.
1526 * tree-ssa-pre.c (create_expression_by_pieces,
1527 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1528 Use add_referenced_var.
1529 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1530 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1531 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1532 add_referenced_var.
1533 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1534 vect_create_data_ref_ptr, vect_create_destination_var,
1535 vect_init_vector, vect_build_loop_niters,
1536 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1537 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1538 Use add_referenced_var.
1539 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1540 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1541 (add_referenced_var): Add prototype.
1542 * tree-ssa-structalias.c (get_constraint_for,
1543 intra_create_variable_infos): Use add_referenced_var.
1545 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1547 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1548 big-endian paradoxical subregs.
1549 * var-tracking.c (struct micro_operation_def): Document that,
1550 for modify micro operations, insn is the subsequent instruction.
1551 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1552 (var_reg_set, var_mem_set): ... new functions.
1553 (add_stores): Record subsequent insn.
1554 (compute_bb_dataflow): Use new functions for MO_USE.
1555 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1556 notes after the insn, and modify notes before the insn known
1557 to be the subsequent one.
1558 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1560 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1562 PR target/27696
1563 * config/i386/i386.c (ix86_expand_builtin): Use
1564 gen_sse3_monitor64 for TARGET_64BIT.
1566 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1568 PR rtl-optimization/26375
1569 PR rtl-optimization/26855
1570 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1571 to gen set.
1572 (df_ru_bb_local_compute): Reversed statements and removed bogus
1573 comment explaining why they should be in wrong order.
1574 (df_ru_dump, df_rd_dump): Enhanced debug info.
1575 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1576 debug info.
1577 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1578 reaching uses and fixed space problem.
1580 2006-05-23 Jan Hubicka <jh@suse.cz>
1582 * cgraphunit.c (decide_is_function_needed): Also nested functions
1583 and functions declared inline can be optimized out at -O0.
1585 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1587 * doc/install.texi (Configuration): Remove reference to CrossGCC
1588 FAQ which was gone.
1589 (Building): Ditto.
1591 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1593 PR target/27266
1594 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1595 ix86_compare_emitted is non-NULL.
1597 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1599 PR c++/27451
1600 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1601 clobbers.
1603 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1605 PR rtl-optimization/25514
1606 * combine.c (replaced_rhs_insn): New variable.
1607 (combine_instructions): Set replaced_rhs_insn when trying to replace
1608 a SET_SRC with a REG_EQUAL note.
1609 (distribute_notes): Use replaced_rhs_insn when determining the live
1610 range of a REG_DEAD register.
1612 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1613 Anatoly Sokolov <aesok@post.ru>
1615 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1616 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1617 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1618 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1619 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1620 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1621 at90usb647, at90usb1286 and at90usb1287 devices.
1622 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1623 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1625 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1627 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1629 2006-05-22 Richard Guenther <rguenther@suse.de>
1631 Revert
1632 2006-01-31 Richard Guenther <rguenther@suse.de>
1633 Paolo Bonzini <bonzini@gnu.org>
1635 * doc/install.texi (--disable-libgcc-math): Document.
1637 2006-05-22 Richard Guenther <rguenther@suse.de>
1639 Revert
1640 2006-01-31 Richard Guenther <rguenther@suse.de>
1642 * doc/invoke.texi (-msselibm): Document.
1643 * target.h (expand_library_builtin): New target hook.
1644 * builtins.c (expand_builtin): Use expand_library_builtin.
1645 (default_expand_library_builtin): New function.
1646 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1647 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1648 (link_gcc_math_spec): Declare.
1649 (static_specs): Add link_gcc_math_spec.
1650 * expr.h (default_expand_library_builtin): Declare.
1651 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1652 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1653 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1654 * config/i386/i386.opt (msselibm): New target option.
1655 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1656 (ix86_init_sse_abi_builtins): New function.
1657 (ix86_expand_library_builtin): Likewise.
1658 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1659 (override_options): Handle error conditions wrt -msselibm.
1660 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1661 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1662 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1663 builtins.
1665 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1667 PR c/27420
1668 * c-common.c (self_promoting_args_p): Skip erroneous args.
1670 PR c/26818
1671 * c-decl.c (finish_struct): Skip erroneous fields.
1673 2006-05-22 Nick Clifton <nickc@redhat.com>
1675 * config/cris/cris.opt (march): Remove VarExists attribute.
1676 (max-stackframe=): Likewise.
1678 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1680 * doc/rtl.texi: Fix a typo.
1681 * see.c: Fix comment typos.
1683 * tree-ssa-structalias.h (alias_info): Remove num_references.
1685 2006-05-21 Mike Stump <mrs@apple.com>
1687 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1688 (BAD2): Add.
1689 (darwin_pragma_options): Use BAD instead.
1690 (darwin_pragma_unused): Likewise.
1691 (darwin_pragma_ms_struct): Likewise.
1693 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1695 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1697 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1699 PR rtl-optimization/27671
1700 * simplify-rtx.c (simplify_relational_operation_1): Fix
1701 simplifications of (eq/ne (xor x y) y) and
1702 (eq/ne (xor x y) x).
1704 PR tree-optimization/26622.
1705 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1706 on arg1.
1708 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1710 * tree-cfg.c: Prune whitespace.
1711 (debug_tree_cfg): Point to correct header containing the
1712 TDF_* defines.
1714 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1716 PR middle-end/25776
1717 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1719 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1721 PR middle-end/25776
1722 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1723 or sorry count is non zero.
1725 2006-05-20 Andreas Schwab <schwab@suse.de>
1727 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1729 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1730 Kenneth Zadeck <zadeck@naturalbridge.com>
1732 PR rtl-optimization/26855
1734 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1735 multiword refs.
1736 (df_scan_alloc): Added code to properly handle multiword hard
1737 registers and add all_blocks parameter.
1738 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1739 code to properly handle multiword hard registers.
1740 (df_rescan_blocks): Added code to remove deleted blocks from
1741 bitmap.
1742 (df_ref_create_structure, df_ref_record): Added code to properly
1743 handle subregs.
1744 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1745 and set DF_REF_PARTIAL.
1746 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1747 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1748 (df_scan_add_problem): Added flags parameter.
1749 (df_ref_create_structure): Changed switching structure.
1750 (df_bb_refs_record): Fixed case where duplicate artificial refs
1751 were created. Changed location of flags.
1752 (df_record_entry_block_defs): Added code to make stack pointer
1753 live in entry block. Refined cases where frame pointer is needed.
1754 Changed location of flags.
1755 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1756 (df_set_state): Removed function.
1757 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1758 df_insn_create_insn_record, df_insn_refs_delete,
1759 df_ref_create_structure): Formatting changes.
1760 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1761 df_delete_basic_block): New function.
1762 (df_init): Changed location of flags.
1763 (df_add_problem): Added flags parameter and the way flags are
1764 processed.
1765 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1766 debug_df_chain): Improved debugging output.
1767 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1768 (df_refs_chain_dump): Removed df parameter.
1769 (df_iterative_dataflow): Added consistency check.
1770 (df_prune_to_subcfg): Made public.
1771 (df_analyze_problem): Added blocks_to_init parameter and made
1772 public.
1773 (df_ref_record, df_bb_refs_record, df_mark_reg,
1774 df_record_exit_block_uses): Whitespace changes.
1775 (df_dump): Whitespace changes.
1776 * df.h: Some reordering to remove forward references.
1777 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1778 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1779 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1780 (dataflow.flags): New field.
1781 (df.flag): Deleted field.
1782 (df_alloc_function): Added additional bitmap parameter.
1783 (df_dependent_problem_function): New type.
1784 (df_problem.changeable_flags): New field.
1785 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1786 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1787 (df_mw_hardreg): New struct.
1788 (DF_INSN_UID_MWS): New macro.
1789 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1790 parameter.
1791 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1792 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1793 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1794 (df_set_state): Removed function.
1795 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1796 * df-problems.c (df_chain_dump): Removed df parameter.
1797 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1798 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1799 parameter.
1800 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1801 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1802 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1803 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1804 DF_REF_MUST_CLOBBER cases.
1805 (df_ru_bb_local_compute_process_def,
1806 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1807 df_lr_bb_local_compute, df_ur_bb_local_compute,
1808 df_chain_create_bb): Made subreg aware.
1809 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1810 df_lr_bb_local_compute, df_lr_bb_local_compute,
1811 df_chain_create_bb): Cleanup to use proper macros.
1812 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1813 code to fixup bitvectors.
1814 (df_ri_alloc): Cleared lifetime.
1815 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1816 df_create_unused_note): New function.
1817 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1818 REG_DEAD and REG_UNUSED notes as well as register information.
1819 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1820 df_chains_dump): Fixed crash if problem was never run.
1821 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1822 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1823 df_ri_add_problem): Processes flags in uniform manner.
1824 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1825 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1826 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1827 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1828 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1829 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1830 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1831 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1832 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1833 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1834 * see.c (see_initialize_data): Ditto.
1835 * final.c (rest_of_clean_state) Added regstack_completed.
1836 * rtl.h (regstack_completed): Ditto.
1837 * reg-stack.c (regstack_completed): Ditto.
1839 2006-05-19 Mike Stump <mrs@apple.com>
1841 * c-tree.h (default_conversion): Remove.
1842 * c-common.h (default_conversion): Add.
1844 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1846 * tree-vrp.c (valid_value_p): New function.
1847 (adjust_range_with_scev): Fail if the value of bound is not
1848 simple.
1850 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1852 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1853 (mips_fallback_frame_state): Use syscall numbers to determine
1854 the appropriate li instruction for the current ABI. Only use
1855 __NR_sigreturn for o32.
1857 2006-05-19 Nicolas Setton <setton@adacore.com>
1859 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1860 * langhooks.c (lhd_dwarf_name): New function.
1861 * langhooks-def.h (lhd_dwarf_name): Declare.
1862 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1863 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1864 * ada/misc.c (gnat_dwarf_name): New function.
1865 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1867 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1869 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1870 libgcc2.h.
1871 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1872 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1873 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1874 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1875 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1876 determine the size of Wtype, etc.
1877 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1878 (swfloatfuncs): New variable.
1879 (dwfloatfuncs): Likewise.
1880 (lib2funcs): Remove floating-point conversion functions from
1881 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1882 the set of conversion routines needed. Allow entries to specify
1883 an object name, filename and word size. Update users accordingly.
1884 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1885 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1887 Revert:
1889 2006-02-08 Roger Sayle <roger@eyesopen.com>
1891 PR target/22209
1892 * config/fixtfdi.c: New libgcc source file.
1893 * config/fixunstfdi.c: New source file.
1894 * config/floatditf.c: New source file.
1895 * config/floatunditf.c: New souce file.
1896 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1897 files above instead of config/mips/_tilib.c.
1898 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1900 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1902 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1903 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1905 2006-05-18 Mike Stump <mrs@apple.com>
1907 Fix up vla, vm and [*] sematics.
1909 PR c/18740
1910 PR c/7948
1911 PR c/25802
1912 PR c/27673
1913 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1914 (c_vla_unspec_p): Add.
1915 (c_vla_type_p): Add.
1916 * c-decl.c (struct c_scope): Add had_vla_unspec.
1917 (build_array_declarator): Add support for [*].
1918 (grokdeclarator): Likewise.
1919 (grokparms): Likewise.
1920 (get_parm_info): Likewise.
1921 * c-objc-common.c (c_vla_unspec_p): Likewise.
1922 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1923 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1924 typeof when argument is a variably modified type not inside sizeof or alignof.
1925 (c_parser_direct_declarator_inner): Propagate errors.
1926 (c_parser_sizeof_expression): Add support for [*].
1927 (c_parser_parms_declarator): Initialize had_vla_unspec.
1928 (c_parser_parms_list_declarator): Likewise.
1929 * c-typeck.c (c_vla_type_p): Add.
1930 (composite_type): Add support for vla compositing.
1931 (comptypes_internal): Add support for vla compatibility.
1932 (c_expr_sizeof_expr): Evaluate vla arguments.
1933 * tree.c (variably_modified_type_p): Update comment for [*].
1935 2006-05-18 Michael Matz <matz@suse.de>
1937 PR target/27599
1938 * config.host: Make assignments to host_xmake_file cumulative.
1939 * config.host (*-darwin*): Test $host, not $target.
1941 2006-05-12 Stuart Hastings <stuart@apple.com>
1943 * config/i386/i386.opt (-mstackrealign): New flag.
1944 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1945 (ix86_handle_cconv_attribute): Emit error when
1946 force_align_arg_pointer attribute collides with too many regparms.
1947 (ix86_function_regparm): Limit regparms when used with
1948 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1949 Support stack-realigning prologue in non-main functions. Emit
1950 warning for nested functions under -mstackrealign, emit error for
1951 nested functions with force_align_arg_pointer attribute.
1952 * doc/extend.texi (force_align_arg_pointer): Document it.
1953 * doc/invoke.texi (-mstackrealign): Document it.
1955 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1957 PR rtl-optimization/27477
1958 * combine.c (try_combine): Don't split a parallel consisting
1959 of two sets into two individual sets if both sets reference
1960 cc0.
1962 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1964 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1965 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1967 * doc/options.texi (VarExists): Updated.
1969 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1971 * unwind-dw2.c: Add declarations for uw_update_context and
1972 uw_frame_state_for.
1973 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1974 detected, advance frame state and context once to skip over stub.
1976 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1978 PR middle-end/20256
1979 PR middle-end/26435
1980 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1981 Call rewrite_into_loop_closed_ssa only when something changed.
1982 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1983 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1984 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1985 Test for perfect_nest_p here. Fix formating.
1986 (replace_uses_equiv_to_x_with_y): Fix formating.
1987 (stmt_uses_op): Removed.
1988 (can_convert_to_perfect_nest): Removed loopivs parameter.
1989 Complete the test by checking the scalar dependences.
1990 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1991 Fix formating.
1993 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1995 PR bootstrap/22541
1996 From Dan Kegel <dank@kegel.com>:
1997 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1999 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2001 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2002 if the element type is variably modified without recursing.
2004 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2006 PR middle-end/27332
2007 * tree-loop-linear.c (try_interchange_loops): Test for
2008 no data dependences.
2010 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2012 PR tree-optimization/27548
2013 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2014 range of ssa names that appear on abnormal edges.
2015 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2016 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2018 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2020 PR middle-end/27620
2021 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2023 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2025 PR middle-end/27415
2026 * tree.h (OMP_PARALLEL_COMBINED): Define.
2027 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2028 (new_omp_context): Add is_combined_parallel argument.
2029 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2030 new_omp_context caller.
2031 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2032 Adjust gimplify_scan_omp_clauses callers.
2033 (omp_is_private): Issue errors if iteration variable is firstprivate
2034 or reduction in the current context.
2035 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2036 on combined parallel workshare constructs.
2038 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2040 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2041 (gcc-options.o): New rule.
2043 * optc-gen.awk: Protect variables for gcc-options.o with
2044 #ifdef GCC_DRIVER/#endif.
2046 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2048 Fix PR tree-optimization/27373
2049 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2050 (forward_propagate_addr_expr): Update call.
2052 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2054 * doc/options.texi: Move the Negative option.
2056 2006-05-16 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/22303
2059 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2060 from STRING_CSTs.
2061 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2062 ccp_fold did not simplify the statement.
2064 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2066 PR driver/26885
2067 * Makefile.in (GCC_OBJS): New.
2068 (OBJS-common): Add opts-common.o.
2069 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2070 (cpp$(exeext)): Likewise.
2071 (gcc.o): Also depend on opts.h.
2072 (opts-common.o): New.
2074 * common.opt (gcoff): Add Negative(gdwarf-2).
2075 (gdwarf-2): Add Negative(gstabs).
2076 (gstabs): Add Negative(gstabs+).
2077 (gstabs+): Add Negative(gvms).
2078 (gvms): Add Negative(gxcoff).
2079 (gxcoff): Add Negative(gxcoff+).
2080 (gxcoff+): Add Negative(gcoff).
2081 * config/i386/i386.opt (m32): Add Negative(m64).
2082 (m64): Add Negative(m32).
2084 * doc/options.texi: Document the Negative option.
2086 * gcc.c: Include "opts.h".
2087 (main): Call prune_options after expandargv.
2089 * optc-gen.awk: Generate common declarations for all flag
2090 variables in options.c. Output the neg_index field.
2092 * opts.c (find_opt): Moved to ...
2093 * opts-common.c: Here. New file.
2095 * opts.h (cl_option): Add a neg_index field.
2096 (find_opt): New.
2097 (prune_options): Likewise.
2099 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2101 PR middle-end/27573
2102 * omp-low.c (expand_omp_parallel): Don't assert
2103 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2104 instead search for it.
2106 PR c/27499
2107 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2108 is signed.
2110 2006-05-16 Andreas Schwab <schwab@suse.de>
2112 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2113 defmac.
2115 2006-05-15 Roger Sayle <roger@eyesopen.com>
2117 PR target/26600
2118 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2119 integer constants other than zero are only legitimate on TARGET_64BIT.
2120 <CONST_VECTOR> Only zero vectors are legitimate.
2121 (ix86_cannot_force_const_mem): Integral and vector constants can
2122 always be put in the constant pool.
2124 2006-05-16 DJ Delorie <dj@redhat.com>
2126 * crtstuff.c (__dso_handle): Set section from
2127 TARGET_LBIGCC_SDATA_SECTION if defined.
2128 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2129 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2131 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2133 PR target/27599
2134 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2135 host_xmake_file.
2137 2006-05-16 Ben Elliston <bje@au.ibm.com>
2139 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2141 2006-05-15 Per Bothner <per@bothner.com>
2143 * tree.c: (last_annotated_node): Use source_locus typedef.
2144 This permits bootstrapping with --enable-mapped-location.
2146 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2148 PR tree-optimization/26830
2149 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2150 (info_for_ssa_name, current_info_for_ssa_name_age,
2151 blocks_to_update): New variables.
2152 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2153 (clear_ssa_name_info, initialize_flags_in_bb,
2154 mark_block_for_update): New functions.
2155 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2156 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2157 prepare_def_site_for): Use mark_block_for_update.
2158 (mark_def_interesting): Assert that the processed block is marked in
2159 blocks_to_update. Do not take blocks argument.
2160 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2161 argument.
2162 (rewrite_update_init_block, rewrite_update_stmt): Only process
2163 blocks with statements to rewrite.
2164 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2165 (update_ssa): Initialize and free blocks_to_update. Do not
2166 clear flags on statements. Do not use blocks bitmap.
2167 * tree.h (SSA_NAME_AUX): Removed.
2168 (struct tree_ssa_name): Removed aux field.
2169 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2171 2006-05-15 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/27603
2174 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2175 Do computations in original type.
2177 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2179 * see.c: Code style changes such as redundant paranthesis,
2180 redundant intialization of local variables etc.
2181 (see_main): Declared now as static.
2182 * doc/invoke.texi: Update that -fsee is not enabled by
2183 default at -O3.
2185 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2187 * omp-low.c (check_omp_nesting_restrictions): New function.
2188 (scan_omp_1): Call it.
2190 PR middle-end/27416
2191 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2192 construct, return *VAR.
2194 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2196 PR rtl-optimization/27406
2197 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2198 edges.
2200 2006-05-14 Roger Sayle <roger@eyesopen.com>
2202 PR rtl-optimization/27538
2203 * combine.c (expand_compound_operation): Call gen_lowpart
2204 before calling simplify_shift_const.
2206 2006-05-14 Roger Sayle <roger@eyesopen.com>
2208 PR rtl-optimization/22563
2209 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2210 a fixed width bitfield, always force the intermediates into psuedos.
2212 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2214 PR 27501
2215 * mkconfig.sh: Use operator = instead of == for test.
2217 2006-05-13 Nick Clifton <nickc@redhat.com>
2219 * dwarf2out.c (dbx_reg_number): Check return value from
2220 LEAF_REG_REMAP and only use it if it is valid.
2221 (multiple_reg_loc_descriptor): Likewise.
2223 2006-05-13 Richard Guenther <rguenther@suse.de>
2225 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2226 host_xmake_file.
2228 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2230 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2231 information attached to non-INSNs such as NOTEs.
2232 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2234 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2236 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2237 On contraint.
2238 * config/s390/s390.md: Adjust comment describing On constraint.
2240 2006-05-11 Jan Hubicka <jh@suse.cz>
2242 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2243 to be output at -O0.
2245 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2247 PR middle-end/27384
2248 * fold-const.c (size_binop): Move sanity check for arguments to
2249 the beginning of the function.
2251 PR middle-end/27488
2252 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2253 expression.
2255 2006-05-11 Richard Guenther <rguenther@suse.de>
2257 PR middle-end/27529
2258 * fold-const.c (fold_unary): Handle intermediate conversion
2259 to a pointer type like intermediate conversion to an integer
2260 type in folding of (T1)(T2)var to var.
2261 Match the code to the comment in the final conversion for
2262 (T1)(T2)var to (T1)var regarding to type precision. Rather
2263 than disallow T1 being of pointer type, assert that both T1
2264 and var are of pointer type or not. Make sure not to fall
2265 over the frontends lazyness wrt array to pointer decay though.
2267 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2269 * arm.c (arm_struct_value_rtx): Delete.
2270 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2271 (arm_init_cumulative_args): Always initialize nregs to zero.
2273 2006-05-10 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/27532
2276 * tree-object-size.c (plus_expr_object_size): Fix typo.
2278 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2280 PR target/24949
2281 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2282 ashrdi_const, ashrdi3): Use a scratch register.
2284 2006-05-10 Richard Guenther <rguenther@suse.de>
2286 PR tree-optimization/27302
2287 * fold-const.c (operand_equal_p): For two comparisons,
2288 try comparison of one comparison code swapped if that yields
2289 the same code.
2291 2006-05-10 Ben Elliston <bje@au.ibm.com>
2293 * tree-pretty-print.c (pretty_print_string): No need to handle
2294 '\0' as a special character.
2296 * tree.h: Include "hashtab.h".
2297 (iterative_hash_expr): Use hashval_t in its prototype.
2298 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2300 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2302 PR bootstrap/26872
2303 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2304 (hppa*64*-*-hpux11*): Ditto.
2305 (hppa[12]*-*-hpux11*): Ditto.
2307 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2309 PR target/26545
2310 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2312 2006-05-09 Michael Matz <matz@suse.de>
2314 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2315 host_extra_gcc_objs and host_xmake_file.
2316 (<*-*-linux*>): Don't overwrite host_xmake_file.
2317 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2318 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2319 (host_detect_local_cpu): Declare.
2320 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2321 * config/i386/i386.c (override_options): Handle -mtune=native
2322 as -mtune=generic.
2323 * config/i386/x-i386: New file.
2324 * config/i386/driver-i386.c: New file.
2325 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2326 cpu-type "native".
2328 2006-05-09 Dirk Mueller <dmueller@suse.de>
2329 Richard Guenther <rguenther@suse.de>
2331 PR middle-end/27498
2332 * fold-const.c (fold_read_from_constant_string): Relax check
2333 for matching types to matching modes.
2335 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2337 PR rtl-optimization/27335
2338 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2339 loops.
2341 2006-05-08 Chao-ying Fu <fu@mips.com>
2342 Richard Sandiford <richard@codesourcery.com>
2344 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2345 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2346 * config/mips/mips.md (UNSPEC_SCC): New constant.
2347 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2348 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2349 (mips_emit_compare): Use it.
2350 (mips_expand_vcondv2sf): New function.
2352 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2354 Fix PR tree-optimization/27093
2355 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2356 renaming when they become not-used_alone.
2358 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2360 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2361 relocation and relocation stubs.
2363 2006-05-08 Eric Christopher <echristo@apple.com>
2365 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2366 section for ppc.
2368 2006-05-08 Jan Hubicka <jh@suse.cz>
2370 PR middle-end/24561
2371 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2372 unused static functions are needed.
2374 2006-05-08 Roger Sayle <roger@eyesopen.com>
2376 PR target/27158
2377 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2378 of a reg_equiv_constant if the result is a legitimate constant.
2380 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2382 PR target/27277
2383 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2384 standard 80387 constants, raise the cost to prevent
2385 compress_float_constant() to generate load from memory.
2387 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2389 * config/arm/constraints.md (c): Fix a typo.
2391 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2392 typos.
2394 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2396 PR target/24879
2397 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2398 inline function.
2399 (_mm_mwait): Likewise.
2401 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2402 "mwait".
2403 (sse3_monitor): Make it 32bit only.
2404 (sse3_monitor64): New. 64bit monitor.
2406 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2408 PR target/27421
2409 * config/i386/i386.c (classify_argument): Skip fields with invalid
2410 types.
2412 2006-05-07 Richard Guenther <rguenther@suse.de>
2414 PR tree-optimization/27409
2415 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2416 Do not try to find zero-sized subvars.
2418 2006-05-07 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/27136
2421 * tree-ssa-loop-niter.c (get_val_for): Correct function
2422 comment, assert requirements.
2423 (loop_niter_by_eval): Stop processing if the iterated
2424 value did not simplify.
2426 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2428 * opts.c (flag_see): remove its setting at -O3.
2430 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2432 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2433 * arm/constraints.md: New file.
2434 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2435 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2436 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2437 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2438 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2439 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2440 * arm.md: Include constraints.md.
2441 (thumb_movsi_insn): Use satisfies_constraint_J.
2442 (movhi, movqi): Use satisfies_constraint_I.
2444 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2446 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2447 for atmeg a645 device.
2449 2006-05-06 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/27151
2452 * tree-vect-transform.c (vectorizable_condition): Punt on
2453 values that have a different type than the condition.
2455 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2457 PR/21391
2458 * c-parser.c (c_parser_cast_expression): Only insert casts into
2459 hash table if pointer.
2460 * function.c (used_types_insert_helper): Rename from
2461 used_types_insert.
2462 (used_types_insert): Call used_types_insert_helper.
2463 * function.h (used_types_insert): Accept only one argument.
2465 2006-05-05 David Edelsohn <edesohn@gnu.org>
2467 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2468 scratch with output modifier.
2470 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2472 PR target/26481
2473 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2474 with output modifier.
2476 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2478 PR target/26765
2479 * config/mips/mips.c (mips_symbolic_address_p): Return true
2480 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2481 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2483 2006-05-04 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/14287
2486 PR tree-optimization/14844
2487 PR tree-optimization/19792
2488 PR tree-optimization/21608
2489 PR tree-optimization/27090
2490 * tree-ssa-pre.c (try_combine_conversion): New function.
2491 (compute_avail): After constructing the value-handle
2492 expression, use try_combine_conversion to combine NOP_EXPRs
2493 with previous value-handle expressions and use the result if it
2494 is available.
2496 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2498 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2500 2006-05-04 Jan Hubicka <jh@suse.cz>
2502 PR middle-end/25962
2503 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2505 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2507 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2508 that this only matches CONST_INTs. All users changed to VOIDmode
2509 operands.
2511 * config/bfin/bfin.c: Include "optabs.h".
2512 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2513 to do more work.
2514 (enum bfin_builtins): Add a number of fractional and vector builtins.
2515 (bfin_init_builtins): Likewise.
2516 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2517 (safe_vector_operand, bfin_expand_binop_builtin,
2518 bfin_expand_unop_builtin): New functions.
2519 (bfin_expand_builtin): Handle the new builtins.
2520 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2521 __ADSPBLACKFIN__.
2523 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2525 * see.c: New file.
2526 * Makefile.in (OBJS-common): Add see.o.
2527 (see.o): Add dependencies.
2528 * common.opt (fsee): New flag for the see optimization was added.
2529 * opts.c (flag_see): Initialized.
2530 * passes.c (init_optimization_passes, pass_see): New pass.
2531 * rtl.h (see_main): Declaration as extern.
2532 * timevar.def (TV_SEE): New.
2533 * tree-pass.h (pass_see): Declaration as extern.
2534 * invoke.texi (-fsee): Document.
2535 * recog.c (validate_simplify_insn): New function.
2536 * recog.h (validate_simplify_insn): Declaration as extern.
2537 * df-problems.c (df_chain_dump): Check for NULL.
2539 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2540 Daniel Berlin <dberlin@dberlin.org>
2542 * cfgrtl.c (insert_insn_bb_end_new): New function.
2543 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2545 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2547 * df.h (struct web_entry): Moved from web.c.
2548 (union_defs): Declaration as extern.
2549 (unionfind_root): Likewise.
2550 (unionfind_union): Likewise.
2551 * web.c (struct web_entry): Moved to df.h.
2552 (unionfind_root): Remove static declaration.
2553 (unionfind_union): Likewise.
2554 (union_defs): Likewise and generalize to use callback function.
2555 (web_main): Update arguments for union_defs function call.
2557 2006-05-04 Richard Guenther <rguenther@suse.de>
2559 PR tree-optimization/26447
2560 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2561 produce SSA_NAME copies before the store stmt to avoid
2562 breaking exception handling.
2564 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2566 PR middle-end/27388
2567 * gimplify.c (omp_is_private): If var is shared in some outer context,
2568 return false instead of true. Stop searching on parallel context
2569 boundary.
2571 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2573 PR java/8260
2574 * coverage.c: Use get_gcov_unsigned_t() instead of
2575 unsigned_type_node all over.
2577 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2579 PR tree-optimization/27381
2580 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2581 maintain the same immediate_use links.
2582 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2583 node rather than segfaulting.
2585 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2587 PR fortran/27395
2588 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2589 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2590 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2592 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2594 Fix PR tree-optimization/26626
2595 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2596 always.
2597 * tree-ssa-operands.c (access_can_touch_variable): Allow
2598 typecasting through union pointers.
2600 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2602 PR c++/26943
2603 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2604 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2605 to find if var will be a global variable even in the nested context.
2606 (omp_copy_decl): Only check for global variable at the end, it might
2607 be overridden in outer contexts.
2608 (scan_sharing_clauses): For global variables don't create a field.
2609 (lower_rec_input_clauses): Do nothing for global shared variables.
2610 Emit a barrier at the end of ILIST if there were any decls in both
2611 firstprivate and lastprivate clauses.
2612 (lower_send_clauses): Do nothing for global variables except for
2613 COPYIN.
2615 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2617 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2618 of the correct signedness is returned.
2620 2006-05-02 Jeff Law <law@redhat.com>
2622 PR tree-optimization/27364
2623 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2624 multiply expressions.
2626 2006-05-02 Tom Tromey <tromey@redhat.com>
2628 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2630 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2632 PR target/27387
2633 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2634 -mthumb -fPIC are used.
2636 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2637 Joshua Kinard <kumba@gentoo.org>
2639 PR target/25871
2640 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2641 with 64-bit pointers.
2643 2006-05-02 Paul Brook <paul@codesourcery.com>
2645 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2646 and pool overlap.
2647 (create_fix_barrier): Check that a suitable barrier location is
2648 found.
2649 (arm_reorg): Include ftmp->address in allowable range of addresses.
2651 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2653 PR ada/27366
2654 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2655 on Cygwin.
2657 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2659 PR middle-end/27337
2660 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2661 around RESULT_DECL for result passed by reference.
2662 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2663 * omp-low.c (use_pointer_for_field): Don't look at
2664 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2665 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2666 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2667 time or var for passing by reference for
2668 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2669 TREE_ADDRESSABLE variables when passing by reference.
2671 * omp-low.c (dump_omp_region): Fix output formatting.
2673 PR middle-end/27328
2674 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2675 (expand_omp_parallel): Likewise.
2676 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2678 PR middle-end/27325
2679 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2680 on statement list containing also constructors and destructors.
2681 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2683 PR middle-end/27310
2684 * except.c (duplicate_eh_regions): Fix clearing of
2685 cfun->eh->region_array entries.
2687 2006-05-01 DJ Delorie <dj@redhat.com>
2689 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2690 build!=host.
2691 (gcc_cv_objdump): Likewise.
2692 * configure: Regenerated.
2694 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2696 PR target/27374
2697 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2698 templates for case 3 and 4.
2700 2006-05-01 DJ Delorie <dj@redhat.com>
2702 * vec.c: Include bconfig.h when appropriate.
2703 * Makefile.in (build/vec.o): Adjust dependencies.
2704 * mkconfig.sh: Make sure config.h isn't used for build machine
2705 compiles.
2707 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2709 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2710 variables.
2711 (mark_phi_for_rewrite): New function.
2712 (insert_phi_nodes_for, mark_use_interesting): Call
2713 mark_phi_for_rewrite.
2714 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2715 (update_ssa): Initialize and free phis_to_rewrite.
2717 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2719 PR rtl-optimization/27291
2720 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2721 folded to a constant.
2723 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2725 PR tree-optimization/27283
2726 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2727 not whole # of iteration descriptions.
2728 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2729 uses abnormal ssa name.
2730 (niter_for_single_dom_exit): Ditto.
2731 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2732 return just the number of iterations.
2734 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2736 PR tree-optimization/27144
2737 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2738 (record_estimate): Only record constant upper bound.
2739 (infer_loop_bounds_from_undefined): Call
2740 compute_estimated_nb_iterations just once.
2741 (proved_non_wrapping_p): Renamed to ...
2742 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2743 (convert_step_widening, scev_probably_wraps_p): Call
2744 n_of_executions_at_most instead of proved_non_wrapping_p.
2745 (substitute_in_loop_info): Do not replace values in bounds.
2746 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2747 comments.
2749 2006-05-01 Richard Henderson <rth@redhat.com>
2751 PR c/27358
2752 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2753 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2754 CPP_PRAGMA.
2756 2006-05-01 Roger Sayle <roger@eyesopen.com>
2758 * c-typeck.c (parser_build_binary_op): Don't call the function
2759 unsigned_conversion_warning to spot operand/result type overflow.
2760 (build_binary_op): Instead, call convert_and_check instead of
2761 convert to report the problem when the operands are promoted.
2762 * c-common.c (unsigned_conversion_warning): Make static.
2763 * c-common.h (unsigned_conversion_warning): Delete prototype.
2765 2006-05-01 Richard Guenther <rguenther@suse.de>
2767 PR tree-optimization/26726
2768 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2769 problem ...
2770 (find_interesting_uses_address): ... we work around here
2771 by folding INDIRECT_REFs in the substituted base.
2773 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2775 * omp-low.c (dump_omp_region): Add newlines.
2777 2006-04-30 Roger Sayle <roger@eyesopen.com>
2779 * common.opt (Woverflow): New command line option.
2780 * c-common.c (constant_expression_warning): Check warn_overflow.
2781 (overflow_waring): Pass OPT_Woverflow to warning.
2782 (unsigned_conversion_warning): Likewise.
2783 (convert_and_check): Likewise.
2784 * doc/invoke.texi: Document new command line option.
2786 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2788 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2789 TARGET_NO_FP_IN_TOC for section anchors.
2790 (optimization_options): Enable section anchors for all
2791 non-"Objective" languages.
2793 2006-04-28 Eric Christopher <echristo@apple.com>
2795 * config/darwin-c.c (darwin_ms_struct): Move this
2796 (darwin_set_default_type_attributes): and this...
2797 * config/darwin.c: ... here.
2798 * config/darwin.h (darwin_ms_struct): Declare.
2800 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2804 2006-04-28 Roger Sayle <roger@eyesopen.com>
2806 PR c/25309
2807 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2808 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2809 an unsigned HOST_WIDE_INT.
2810 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2811 array index.
2812 (really_start_incremental_init): No need to call convert because
2813 bitsize_zero_node is already of type bitsizetype.
2814 (push_init_level): Extract the value of constructor_index as an
2815 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2816 (process_init_element): Likewise.
2818 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2820 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2821 value before passing to make_relative_prefix.
2823 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2825 PR middle-end/27260
2826 * builtins.c (expand_builtin_memset): Expand val in original mode.
2828 2006-04-27 Eric Christopher <echristo@apple.com>
2830 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2831 with #ifndef/#endif.
2832 * config/darwin-c.c (darwin_ms_struct): New.
2833 (darwin_pragma_ms_struct): Ditto.
2834 (darwin_set_default_type_attributes): Ditto.
2835 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2836 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2837 Register ms_struct pragma.
2838 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2839 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2840 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2841 darwin_set_default_type_attributes if TARGET_MACHO.
2843 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2845 PR tree-optimization/26854
2846 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2847 * doc/tree-ssa.texi: Update immuse iterator documentation.
2848 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2849 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2850 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2851 first_safe_imm_use, next_safe_imm_use): Remove.
2852 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2853 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2854 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2855 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2856 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2857 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2858 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2859 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2860 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2861 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2862 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2863 (perfect_nestify): Use new iterator.
2864 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2865 iterator.
2866 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2867 (next_imm_name): New field in struct immediate_use_iterator_d.
2868 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2869 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2870 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2871 * tree-cfg.c (replace_uses_by): Use new iterator.
2872 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2873 * tree-ssa-operands.c (correct_use_link): Remove.
2874 (finalize_ssa_use_ops): No longer call correct_use_link.
2876 2006-04-27 Stuart Hastings <stuart@apple.com>
2878 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2879 * config/t-darwin (crt3.o): Use it.
2880 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2881 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2882 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2883 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2884 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2885 support.
2887 2006-04-27 Roger Sayle <roger@eyesopen.com>
2889 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2890 size, force the intermediate into a new pseudo rather instead of
2891 performing both a bitwise AND and a bitwise IOR in memory.
2893 2006-04-27 Richard Guenther <rguenther@suse.de>
2895 PR rtl-optimization/26685
2896 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2897 this one "max-flow-memory-locations".
2899 2006-04-27 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/25148
2902 * tree-vrp.c (compare_values): Remove code dealing with
2903 comparisons against type min/max value. Honour overflow
2904 and negative constants in code dealing with comparisons
2905 of plus and minus expressions.
2906 (value_inside_range): Use fold_binary with LE_EXPR and
2907 GE_EXPR rather than compare_values.
2909 2006-04-27 Dirk Mueller <dmueller@suse.de>
2911 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2912 prototype for SSE.
2914 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2916 * basic-block.h (safe_insert_insn_on_edge): Removed.
2917 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2919 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2920 Paolo Bonzini <bonzini@gnu.org>
2922 PR middle-end/27282
2923 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2924 (simplify_and_const_int): Same.
2926 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2928 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2930 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2932 PR c/26171
2933 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2934 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2935 cgraph_global_info_ready.
2937 PR middle-end/26913
2938 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2940 PR c/25996
2941 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2942 either decl or init is error_mark_node.
2944 PR middle-end/25989
2945 * tree-flow.h (struct omp_region): Add sched_kind.
2946 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2947 instead of extracting omp for data.
2948 (expand_omp_for): Save extracted sched_kind.
2950 2006-04-25 Roger Sayle <roger@eyesopen.com>
2952 * expmed.c (store_bit_field): Also check whether the bitsize is
2953 valid for the machine's "insv" instruction before moving the
2954 target into a pseudo for use with the insv.
2955 * config/i386/predicates.md (const8_operand): New predicate.
2956 * config/i386/i386.md (extv, extzv, insv): Use the new
2957 const8_operand predicate where appropriate.
2959 2006-04-25 DJ Delorie <dj@redhat.com>
2961 * doc/install.texi (Specific): Clarify that this is not a list of
2962 supported hosts or targets.
2964 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2966 PR rtl-optimization/26725
2967 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2968 block's BB_DIRTY flag.
2970 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2972 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2973 are no branches.
2975 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2976 to print an integer.
2978 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2980 * varasm.c (align_variable): New function.
2981 (get_block_for_decl): Apply align_variable to DECL before
2982 calculating section information.
2983 (assemble_variable): Split out alignment computation.
2985 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2987 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2988 machines.
2990 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2992 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2993 MODE_PARTIAL_INT mode.
2994 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2995 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2996 for CONST_INTs.
2997 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2998 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2999 V2PDImode.
3000 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3001 New predicates.
3002 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3003 New constants.
3004 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3005 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3006 MACFLAG_IH): Likewise.
3007 (movstricthi_1): Renamed from "*movstricthi".
3008 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3009 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3010 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3011 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3012 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3013 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3014 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3015 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3016 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3017 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3018 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3019 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3020 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3021 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3022 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3024 * doc/rtl.texi (ss_ashift): Improve wording.
3026 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3028 * dwarf2out.c (verify_marks_clear): New.
3029 (prune_unused_types): Call verify_marks_clear initially, not
3030 prune_unmark_dies.
3032 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3034 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3035 * doc/rtl.texi: Document them.
3036 * simplify-rtx.c (simplify_unary_operation,
3037 simplify_binary_operation_1): Don't abort when we see them.
3039 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3041 Revert:
3042 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3043 * configure.ac: Completely disregard languages that are not
3044 enabled.
3045 * configure: Regenerated.
3047 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3048 Richard Guenther <rguenther@suse.de>
3050 PR tree-optimization/27236
3051 * tree-inline.c (copy_body_r): Make sure to copy
3052 TREE_THIS_VOLATILE flag.
3054 2006-04-24 Richard Guenther <rguenther@suse.de>
3056 PR middle-end/26869
3057 * tree-complex.c (update_parameter_components): Don't handle
3058 unused parameters which have no default def.
3060 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3061 Richard Guenther <rguenther@suse.de>
3063 PR tree-optimization/27218
3064 * tree-inline.c (expand_call_inline): Strip useless type
3065 conversions for the return slot address.
3067 2006-04-24 Richard Guenther <rguenther@suse.de>
3069 * cfgloop.h (struct loops): Remove unused field array. Reorder
3070 state after num.
3071 (LOOP_PREFETCH): Remove.
3073 2006-04-24 Richard Guenther <rguenther@suse.de>
3075 PR tree-optimization/22525
3076 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3077 variable, adjust types of generated expressions.
3079 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3081 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3082 (tree-vect-patterns.o): Likewise.
3083 (jump.o): Likewise.
3084 (cselib.o): Likewise.
3085 (loop-doloop.o): Likewise.
3086 (regclass.o): Likewise.
3087 (reload1.o): Likewise.
3088 (explow.o): Replace target.h with $(TARGET_H).
3089 (ipa-prop.o): Likewise.
3090 (ipa-cp.o): Likewise.
3091 (ipa-inline.o): Likewise.
3092 (reorg.o): Likewise.
3093 (reg-stack.o): Likewise.
3095 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3097 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3099 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3101 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3103 * configure.ac: Completely disregard languages that are not
3104 enabled.
3105 * configure: Regenerated.
3107 PR c++/26534
3108 * c-common.h (c_build_bitfield_integer_type): Declare.
3109 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3110 * c-common.c (c_build_bitfield_integer_type): ... here.
3112 2006-04-23 Roger Sayle <roger@eyesopen.com>
3114 PR target/21283
3115 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3116 a SImode SUBREG of a floating point register after no_new_pseudos.
3118 2006-04-23 Roger Sayle <roger@eyesopen.com>
3120 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3121 identify potentially eliminable registers to additionally catch
3122 VIRTUAL_INCOMING_ARGS_REGNUM.
3123 (addsi3): Update the conditions on when to use addsi_small_int.
3125 2006-04-23 Roger Sayle <roger@eyesopen.com>
3127 PR target/16641
3128 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3129 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3130 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3132 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3134 * fold-const.c (range_predecessor): Use operand_equal_p
3135 as the predicate for equality.
3136 (range_successor): Likewise.
3138 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3140 Revert:
3141 * config/soft-fp/op-common.h: Fix a typo.
3143 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3145 PR libmudflap/26864
3146 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3147 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3149 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3151 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3152 Fix comment typos.
3153 * doc/tm.texi: Fix a typo.
3155 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3157 * dwarf2out.c (struct die_struct): Document that die_sib makes
3158 a circular linked list.
3159 (FOR_EACH_CHILD): New.
3160 (reverse_die_lists): Delete.
3161 (reverse_all_dies): Delete.
3162 (add_dwarf_attr): Correct documentation.
3163 (remove_child_with_prev): New.
3164 (remove_child_TAG): Update for change to die_struct, use
3165 remove_child_with_prev.
3166 (add_child_die): Update for change to die_struct.
3167 (splice_child_die): Use remove_child_with_prev and add_child_die.
3168 (print_die): Use FOR_EACH_CHILD.
3169 (die_checksum): Likewise.
3170 (assign_symbol_names): Likewise.
3171 (output_location_lists): Likewise.
3172 (build_abbrev_table): Likewise.
3173 (calc_die_sizes): Likewise.
3174 (mark_dies): Likewise.
3175 (unmark_dies): Likewise.
3176 (unmark_all_dies): Likewise.
3177 (output_die): Likewise.
3178 (prune_unused_types_mark): Likewise.
3179 (prune_unused_types_walk): Likewise.
3180 (same_die_p): Update for change to die_struct.
3181 (break_out_includes): Likewise.
3182 (prune_unused_types_prune): Likewise.
3183 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3184 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3185 it's already clear.
3186 (dwarf2out_finish): Don't call reverse_all_dies.
3188 2006-04-21 Eric Christopher <echristo@apple.com>
3190 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3191 in comments and function names.
3193 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3195 PR c/25875
3196 * c-typeck.c (digest_init): Robustify.
3198 * c-typeck.c (pop_init_level): Simplify.
3200 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3202 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3204 2006-04-21 Paul Brook <paul@codesourcery.com>
3206 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3207 hardware floating point.
3209 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3211 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3212 NON_FLOAT_REGS.
3214 2006-04-21 Nick Clifton <nickc@redhat.com>
3216 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3217 OPT_EXTRA_PARTS.
3219 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3221 PR target/27230
3222 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3223 C++ lang type in traceback table for Objective-C++.
3225 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3227 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3229 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3231 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3233 PR mudflap/26789
3234 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3235 were errors. Remove check for erroneous objects.
3237 2006-04-20 Jeff Law <law@redhat.com>
3239 PR tree-optimization/26854
3240 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3241 checking for zero or one use.
3242 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3243 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3244 * tree-ssa-reassoc.c (negate_value): Similarly.
3245 (reassociate_bb): Similarly.
3247 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3249 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3250 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3251 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3253 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3255 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3256 fp regs if the last fp arg doesn't fit in regs.
3258 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3260 PR target/27182
3261 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3262 that the last insn has the REG_INC note.
3264 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3265 Nathan Sidwell <nathan@codesourcery.com>
3267 PR c/26774
3268 * stor-layout.c (update_alignment_for_field): Do not align
3269 ERROR_MARK nodes.
3270 (place_union_field): Place union field at the start of the union.
3271 (place_field): Move ERROR_MARK check later, and use the current
3272 allocation position to maintain monotonicity.
3274 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3276 * dominance.c: Include timevar.h.
3277 (calculate_dominance_info): Use TV_DOMINANCE.
3278 * timevar.def (TV_DOMINANCE): New timevar.
3279 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3281 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3283 PR rtl-optimization/14261
3284 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3285 move would be an INSV insn.
3286 (noce_process_if_block): Don't optimize if the destination is a
3287 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3289 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3291 * config/s390/s390.md: Add comments with the instructions emitted
3292 by an insn pattern if macros are used.
3294 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3296 PR rtl-optimization/26026
3297 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3298 is a known power of two shifted left a variable amount.
3300 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3302 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3303 to hash table twice when the debug_str section has SECTION_MERGE.
3305 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3307 * config/soft-fp: New directory. From glibc.
3308 * config/soft-fp/t-softfp: New.
3309 * config/soft-fp/README: New.
3310 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3311 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3312 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3313 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3314 * config.gcc: Use rs6000/t-fprules-fpbit or
3315 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3316 rs6000/t-fprules.
3317 * config/rs6000/sfp-machine.h: New. Based on glibc.
3318 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3319 New.
3320 * config/rs6000/t-fprules: Remove fp-bit rules.
3321 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3322 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3323 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3324 (softfp_wrap_start, softfp_wrap_end): New.
3326 2006-04-18 DJ Delorie <dj@redhat.com>
3328 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3330 2006-04-18 Devang Patel <dpatel@apple.com>
3332 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3334 2006-04-18 Nick Clifton <nickc@redhat.com>
3336 * config/sh/t-symbian: Add rule to build sh-c.o
3337 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3338 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3339 (sh_symbian_encode_section_info): Likewise.
3341 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3343 * builtins.c (expand_builtin_strcmp): Cover label definition of
3344 do_libcall with HAVE_cmpstrnsi.
3346 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3348 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3349 instead of VARRAY.
3350 * function.h (temp_slot_p): New.
3351 (function): Change the type of x_used_temp_slots to
3352 VEC(temp_slot_p,gc) *.
3354 2006-04-18 Nick Clifton <nickc@redhat.com>
3356 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3357 flag_strength_reduce.
3359 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3361 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3363 PR target/27117
3365 Partial revert of revision 112637
3366 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3367 Dale Johannesen <dalej@apple.com>
3369 PR target/19653
3370 * regclass.c (struct reg_pref): Update documentation.
3371 (regclass): Set prefclass to NO_REGS if memory is the best option.
3372 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3374 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3376 PR tree-optimization/26821
3377 * tree-ssa-math-opts.c (get_constant_one): New.
3378 (insert_reciprocals): Use it.
3380 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3382 * dwarf2out.c (free_AT): Delete.
3383 (remove_AT): Update string ref counts.
3384 (remove_child_TAG): Don't call free_die.
3385 (free_die): Delete.
3386 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3387 or DW_TAG_GNU_EINCL.
3388 (prune_unused_types_walk_attribs): Reset string refcounts.
3389 (prune_unused_types_update_strings): New.
3390 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3391 call free_die. Do call prune_unused_types_update_strings.
3392 (prune_unused_types): Empty debug_str_hash.
3394 2006-04-17 Roger Sayle <roger@eyesopen.com>
3396 * expr.c (expand_assignment): Optimize away no-op moves where the
3397 source and destination are equal and have no side-effects.
3399 2006-04-17 Richard Guenther <rguenther@suse.de>
3401 PR target/26826
3402 * reload.c (push_reload): Guard calls to get_secondary_mem
3403 for memory subregs.
3405 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3407 * alias.c (reg_base_value, old_reg_base_value): Change the
3408 type to VEC(rtx,gc) *.
3409 (REG_BASE_VALUE, find_base_value, record_set,
3410 init_alias_analysis): Use VEC instead of VARRAY.
3412 * alias.c (alias_sets): Change the type to
3413 VEC(alias_set_entry,gc) *.
3414 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3415 VEC instead of VARRAY.
3416 (last_alias_set): Remove.
3418 * cgraph.h (cgraph_edge_p): New.
3419 Update the prototype of cgraph_function_versioning.
3420 * cgraphunit.c (cgraph_copy_node_for_versioning,
3421 cgraph_function_versioning): Use VEC instead of VARRAY.
3422 * ipa-cp.c (ipcp_insert_stage): Likewise.
3424 2006-04-16 Roger Sayle <roger@eyesopen.com>
3426 PR target/26961
3427 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3428 "A op B" or "A op C", we may need to convert A to the type of B and C.
3430 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3432 * target.h (struct gcc_target): Add mode_rep_extended.
3433 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3434 (init_num_sign_bit_copies_in_rep): Initialize it using
3435 mode_rep_extended.
3436 (truncate_to_mode): Use it.
3437 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3438 * targhooks.h (default_mode_rep_extended): Declare it.
3439 * targhooks.c (default_mode_rep_extended): Define it.
3440 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3441 default_mode_rep_extended.
3442 (TARGET_INITIALIZER): Include it.
3443 * doc/tm.texi (Misc): Document it.
3444 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3445 (mips_truncated_to_mode): New function.
3447 2006-04-16 Roger Sayle <roger@eyesopen.com>
3449 PR middle-end/25474
3450 * expr.c (compress_float_constant): Copy the narrow constant into
3451 a new pseudo before extending it to its final width.
3453 2006-04-16 Roger Sayle <roger@eyesopen.com>
3454 Andrew Pinski <pinskia@gcc.gnu.org>
3455 Dale Johannesen <dalej@apple.com>
3457 PR target/24076
3458 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3459 special case code to implement V8HImode and V16QImode with SSE2.
3461 2006-04-15 Roger Sayle <roger@eyesopen.com>
3463 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3464 trees are constructed with a suitable tree type.
3466 2006-04-15 Roger Sayle <roger@eyesopen.com>
3468 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3469 (integer_onep): Likewise.
3470 (integer_all_onesp): Likewise.
3471 (integer_pow2p): Likewise.
3472 (integer_nonzerop): Likewise.
3473 (real_zerop): Likewise.
3474 (real_onep): Likewise.
3475 (real_twop): Likewise.
3476 (real_minus_onep): Likewise.
3477 (int_size_in_bytes): Likewise.
3478 (host_integerp): Likewise.
3480 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3482 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3483 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3484 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3486 * tree-ssa-structalias.h (alias_info): Remove num_references.
3488 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3490 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3491 (output_bvb patterns): Likewise.
3492 * pa.c (output_bb): Use 'bb' insn for long branch case.
3493 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3494 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3495 1. Correct length operand for alternatives 1 and 2.
3496 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3497 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3499 2006-04-14 Roger Sayle <roger@eyesopen.com>
3501 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3502 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3503 were accidentally reverted by r112959.
3505 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3507 PR middle-end/26823
3508 * except.h (eh_region_outermost): New prototype.
3509 * except.c (eh_region_outermost): New function.
3510 * tree-cfg.c (find_outermost_region_in_block): Use it.
3512 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3514 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3515 of VARRAY.
3516 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3517 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3518 (init_reload, reload): Use VEC instead of VARRAY.
3519 * reload.h: Update the prototype for
3520 reg_equiv_memory_loc_varray.
3522 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3523 Eric Botcazou <ebotcazou@libertysurf.fr>
3525 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3526 register save area.
3528 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3530 PR middle-end/27134
3531 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3532 to expand fallback builtin function call.
3534 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3536 PR middle-end/27095
3537 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3538 and emit libcall here in case the builtin fails.
3539 (expand_builtin_strcmp): Always emit the libcall here on failure.
3541 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3543 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3544 * flow.c (reg_n_info): Change the type to
3545 VEC(reg_info_p,heap) *.
3546 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3547 instead of VARRAY.
3548 * regs.h (reg_info_p): New.
3549 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3550 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3551 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3552 instead of VARRAY.
3554 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3556 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3557 defaulting to 100.
3558 * params.h (MAX_SCHED_READY_INSNS): New macro.
3559 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3560 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3561 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3562 the ready list for 1 cycle during the first scheduling pass.
3563 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3565 2006-04-13 Richard Henderson <rth@redhat.com>
3567 PR libgomp/26651
3568 * gimple-low.c (lower_omp_directive): Remove dead code.
3569 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3570 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3571 * omp-low.c (struct omp_region): Move to tree-flow.h.
3572 (root_omp_region): Export.
3573 (omp_regions, lookup_omp_region): Remove.
3574 (determine_parallel_type): Update for struct omp_region changes.
3575 (dump_omp_region): Dump regions with block numbers.
3576 (new_omp_region): Take type and block instead of stmt; malloc
3577 instead of ggc.
3578 (free_omp_region_1, free_omp_regions): New.
3579 (expand_parallel_call): Take entry_stmt as argument; update for
3580 changes to omp_region.
3581 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3582 (remove_exit_barriers): New.
3583 (expand_omp_parallel): Update for struct omp_region changes.
3584 (expand_omp_synch): Likewise.
3585 (expand_omp): Likewise.
3586 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3587 (expand_omp_for_static_chunk): Likewise.
3588 (expand_omp_for): Likewise.
3589 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3590 (expand_omp_sections): Similarly, with GOMP_sections_end.
3591 (expand_omp_single): New.
3592 (build_omp_regions_1): Update for OMP_CONTINUE.
3593 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3594 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3595 OMP_SECTIONS_SECTIONS.
3596 (lower_omp_single_simple): Don't emit barrier here.
3597 (lower_omp_single_copy): Likewise.
3598 (lower_omp_single): Fix bindings, and lower to straightline now.
3599 (lower_omp_master, lower_omp_ordered): Likewise.
3600 (lower_omp_critical): Likewise.
3601 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3602 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3603 omp edges, free it afterward.
3604 (make_omp_sections_edges): Remove.
3605 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3606 (move_stmt_r): Handle OMP_CONTINUE.
3607 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3608 statement pointers to basic blocks. Add type member.
3609 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3610 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3611 * tree-inline.c (estimate_num_insns_1): Likewise.
3612 * tree-pretty-print.c (dump_generic_node): Likewise.
3613 * tree-ssa-operands.c (get_expr_operands): Likewise.
3614 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3615 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3616 (OMP_CONTINUE): New.
3617 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3618 (OMP_SECTIONS_SECTIONS): Remove.
3619 (OMP_SECTION_LAST): New.
3620 (OMP_RETURN_NOWAIT): New.
3622 2006-04-13 Roger Sayle <roger@eyesopen.com>
3624 * fold-const.c (native_encode_vector, native_interpret_real):
3625 Correct obvious mistakes in the previous check-in.
3627 2006-04-13 Roger Sayle <roger@eyesopen.com>
3629 * fold-const.c (native_encode_expr): New function to encode
3630 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3631 or VECTOR_CST into a specified buffer.
3632 (native_encode_int): New function.
3633 (native_encode_real): New function.
3634 (native_encode_complex): New function.
3635 (native_encode_vector): New function.
3636 (native_interpret_expr): Inverse of native_encode_expr to convert
3637 a target representation into an INTEGER_CST, REAL_CST etc...
3638 (native_interpret_int): New function.
3639 (native_interpret_real): New function.
3640 (native_interpret_complex): New function.
3641 (native_interpret_vector): New function.
3642 (fold_view_convert_expr): New function to constant fold/evaluate
3643 a VIEW_CONVERT_EXPR of a suitable constant expression.
3644 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3645 Change call of build1 to fold_build1 when constructing a
3646 VIEW_CONVERT_EXPR.
3648 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3649 Ulrich Weigand <uweigand@de.ibm.com>
3651 PR target/27006
3652 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3653 to be even.
3655 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3657 PR target/26459
3658 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3659 optimize to lo_sum for DFmode if !TARGET_FPRS.
3661 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3663 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3664 delete_alias_info, compute_flow_sensitive_aliasing,
3665 group_aliases): Use VEC instead of VARRAY.
3666 * tree-ssa-structalias.c (update_alias_info): Likewise.
3667 * tree-ssa-structalias.h (alias_info): Change the type of
3668 processed_ptrs to VEC(tree,heap) *.
3670 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3672 PR target/27060
3673 * config/sh/lib1funcs.h: New file, broken out of:
3674 * config/sh/lib1funcs.asm.
3675 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3676 New macros.
3677 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3678 * config/sh/lib1funcs-Os-4-200.asm: New file.
3679 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3680 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3681 (EXTRA_MULTILIB_PARTS): Include it.
3682 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3683 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3684 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3685 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3686 TARGET_SH2.
3688 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3690 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3691 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3692 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3693 VARRAY.
3694 * tree-ssa-live.h: Include vecprim.h.
3695 (tree_partition_associator_d): Change the type of
3696 first_partition to VEC(int,heap) *.
3697 (tpa_first_partition): Use VEC instead of VARRAY.
3699 * Makefile.in (GTFILES): Move functions.h after tree.h.
3700 * function.c (reset_block_changes, record_block_change,
3701 check_block_change, free_block_changes): Use VEC instead of
3702 VARRAY.
3703 * function.h (function): Change the type of
3704 ib_boundaries_block to VEC(tree,gc) *.
3705 * tree-inline.c (copy_cfg_body): Initialize
3706 ib_boundaries_block to NULL instead of (varray_type) 0.
3708 2006-04-12 Roger Sayle <roger@eyesopen.com>
3710 * expr.c (emit_group_store): Correct operand order in call to
3711 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3712 a SUBREG_BYTE of zero.
3714 2006-04-12 Richard Guenther <rguenther@suse.de>
3716 * profile.c (compute_branch_probabilities): Remove code
3717 encapsulated in !ir_type (), which are remanents of the
3718 removed RTL profiling code.
3719 * rtl-profile.c: Remove.
3721 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3723 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3724 magic NULL_RTX comment.
3725 (function_arg): Store entire fp arg to mem if any part should go
3726 on stack.
3727 (rs6000_arg_partial_bytes): Adjust for above change.
3729 2006-04-11 Roger Sayle <roger@eyesopen.com>
3731 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3732 if it hasn't been initialized by dwarf2out_init.
3734 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3736 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3737 symbolic constants in branch patterns.
3739 2006-04-11 Roger Sayle <roger@eyesopen.com>
3741 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3743 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3745 PR rtl-optimization/27073
3746 * gcse.c (try_replace_reg): Revert last change. Continue to search
3747 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3748 on the former.
3750 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3752 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3753 aggregate types other than record and union types.
3754 (function_arg): Likewise.
3755 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3756 small arrays.
3757 (function_value): In 64-bit mode, return objects that require it
3758 in FP registers.
3760 2006-04-11 Roger Sayle <roger@eyesopen.com>
3762 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3764 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3766 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3768 2006-04-03 Jeff Law <law@redhat.com>
3770 PR/27087
3771 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3772 alias information too.
3774 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3776 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3778 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3780 PR/21391
3781 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3782 (premark_used_types_helper): New.
3783 (premark_used_types): New.
3784 (gen_subprogram_die): Call premark_used_types.
3785 (prune_unused_types_walk): Do not prune perennial dies.
3786 * function.c (used_types_insert): New.
3787 * function.h (struct function): Add used_types_hash field.
3788 (used_types_insert): Add prototype.
3789 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3790 * c-parser.c (c_parser_cast_expression): Save casted types in used
3791 types hash table.
3793 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3795 PR target/26459
3796 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3797 rs6000_explicit_options.float_gprs.
3799 2006-04-10 Roger Sayle <roger@eyesopen.com>
3801 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3802 from ix86_expand_vector_init_low_nonzero. Take an additional
3803 one_var argument indicating which element is non-zero. Support
3804 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3805 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3806 with one_var instead of ix86_expand_vector_init_low_nonzero.
3808 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3810 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3811 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3812 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3813 build/genextract.o): Depend on vecprim.h.
3814 * cfglayout.c, df-problems.c, function.c, genextract.c,
3815 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3816 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3817 vecprim.h.
3818 * vecprim.h: New.
3820 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3822 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3823 Declare VECs of this type.
3824 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3825 (remove_children): Delete.
3826 (add_dwarf_attr): Use VEC routines.
3827 (add_AT_flag): Update for changes to add_dwarf_attr.
3828 (add_AT_int): Likewise.
3829 (add_AT_unsigned): Likewise.
3830 (add_AT_long_long): Likewise.
3831 (add_AT_vec): Likewise.
3832 (add_AT_string): Likewise.
3833 (add_AT_die_ref): Likewise.
3834 (add_AT_fde_ref): Likewise.
3835 (add_AT_loc): Likewise.
3836 (add_AT_loc_list): Likewise.
3837 (add_AT_addr): Likewise.
3838 (add_AT_lbl_id): Likewise.
3839 (add_AT_lineptr): Likewise.
3840 (add_AT_macptr): Likewise.
3841 (add_AT_offset): Likewise.
3842 (add_AT_range_list): Likewise.
3843 (get_AT): Use VEC_iterate.
3844 (remove_AT): Use VEC_ordered_remove.
3845 (free_die): Fold remove_children into here; have it use VEC_iterate.
3846 (print_die): Use VEC_iterate on attrs.
3847 (reverse_die_lists): Don't reverse attr lists.
3848 (die_checksum): Use VEC_iterate on attrs.
3849 (same_die_p): Likewise.
3850 (output_location_lists): Likewise.
3851 (build_abbrev_table): Likewise.
3852 (size_of_die): Likewise.
3853 (unmark_all_dies): Likewise.
3854 (output_abbrev_section): Likewise.
3855 (output_die): Likewise.
3856 (prune_unused_types_walk_attribs): Likewise.
3858 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3860 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3862 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3864 PR debug/27057
3865 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3867 2006-04-09 Roger Sayle <roger@eyesopen.com>
3869 * expr.c (store_constructor): Don't bother clearing target if
3870 we're about to assign a vector to it using vec_init_optab.
3872 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3874 * tree-ssa-alias.c (lhs_may_store_to): New function.
3875 (recalculate_used_alone): Handle LHS of calls.
3877 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3879 PR target/27034
3880 PR target/26508
3881 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3882 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3883 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3884 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3885 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3886 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3887 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3888 stubs. Add ".align 8" directives before all ".dword" directives.
3889 (GTHREAD_USE_WEAK): Revise comment.
3890 (TARGET_ATTRIBUTE_WEAK): Define.
3891 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3892 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3893 * stublib.c: New file.
3895 PR target/26743
3896 PR target/11254
3897 PR target/10274
3898 * pa.md (cbranch patterns): Revise arguments used in calls to
3899 output_cbranch, output_bb and output_bvd. Add long branch length
3900 attributes.
3901 (fbranch patterns): Handle long branches.
3902 (jump): Revise length check. Revise arguments for output_lbranch call.
3903 Add long branch length attributes.
3904 (decrement_and_branch_until_zero): Add long branch length attributes.
3905 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3906 Likewise. Revise arguments for output_parallel_addb and
3907 output_parallel_movb calls.
3908 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3909 output_parallel_movb and output_parallel_addb): Update prototypes.
3910 * pa.c (output_cbranch): Revise arguments. Correct handling of
3911 nullification in long branches.
3912 (output_lbranch): Add new argument to control extraction of delay
3913 instruction.
3914 (output_bb): Handle long branches.
3915 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3916 output_parallel_addb): Likewise.
3918 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3920 PR rtl-optimization/27073
3921 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3922 not REG_EQUIVs.
3924 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3926 * tree.h (tree_memory_tag): Add old_used_alone.
3927 (SMT_OLD_USED_ALONE): New macro.
3928 * tree-ssa-alias.c (recalculate_used_alone): Stop
3929 marking things for renaming unnecessarily.
3931 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3933 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3934 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3935 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3936 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3937 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3938 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3939 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3940 spelling convensions.
3941 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3942 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3943 typos. Follow spelling conventions.
3945 2006-04-07 DJ Delorie <dj@redhat.com>
3947 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3948 passed on the stack.
3949 (m32c_init_cumulative_args): When a function returns a structure,
3950 always pass the pointer to that return area on the stack.
3951 (m32c_function_arg_advance): Don't increment the parameter number
3952 if we're processing the returned structure pointer.
3953 (pushm_info): Reverse order of registers.
3955 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3957 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3958 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3959 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3960 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3961 build_int_cst_type.
3962 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3963 chrec_fold_multiply): Same.
3964 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3965 force_expr_to_var_cost): Same.
3966 * tree-mudflap.c (mf_xform_derefs_1): Same.
3967 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3969 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3971 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3972 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3973 insn.
3975 2006-04-07 Jan Hubicka <jh@suse.cz>
3977 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3979 2006-04-07 Richard Guenther <rguenther@suse.de>
3981 PR tree-optimization/26135
3982 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3983 loads for store copy-prop.
3984 (copy_prop_visit_stmt): Likewise.
3986 2006-04-05 Robert Millan <robertmh@gnu.org>
3988 * config/i386/linux.h: Add a comment to mark macros that are
3989 being overriden in config/k*bsd-gnu.h.
3990 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3991 DYNAMIC_LINKER.
3992 * config/knetbsd-gnu.h: Ditto.
3994 2006-04-06 Jan Hubicka <jh@suse.cz>
3996 PR profile/20815
3997 PR profile/26399
3998 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3999 after buffer.
4001 2006-04-06 Mike Stump <mrs@apple.com>
4003 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4004 for HAVE_nonlocal_goto to be consistent.
4005 (expand_builtin_nonlocal_goto): Likewise.
4006 (expand_builtin_strcmp): Use #ifdef instead of #if
4007 for HAVE_cmpstrnsi to be consistent.
4009 2006-04-05 DJ Delorie <dj@redhat.com>
4011 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4012 vs m32c.
4014 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4016 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4017 got-relative addressing for anything but SImode.
4019 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4020 even if the calling function doesn't modify them.
4022 2006-04-05 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/26919
4025 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4026 to cgraph_estimate_size_after_inlining.
4028 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4030 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4032 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4034 PR tree-optimization/26996
4035 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4036 VECTOR_TYPE variables.
4038 2006-04-05 Richard Guenther <rguenther@suse.de>
4040 PR tree-optimization/26763
4041 * fold-const.c (fold_comparison): Move folding of
4042 PTR + CST CMP PTR + CST ...
4043 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4045 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4047 * doc/install.texi (Prerequisites): Refine some wording on
4048 bootstrapping and ksh.
4049 Move the version numbers of DejaGnu here from the testing section
4050 and fix casing of names.
4051 Fix markup and clarify wording for autogen requirements.
4052 Refer to GCJ instead of just java.
4053 Refer to SVN instead of CVS.
4054 Describe diffutils as useful instead of necessary.
4055 (Downloading the source): Refer to SVN instead of CVS.
4056 Adjust a link to our web site accordingly.
4057 (Configuration): Fix casing of Bison.
4058 (Building): Refer to SVN instead of CVS.
4059 Fix a sentence on the use of Bison and remove duplicate (and
4060 incorrect) version number of Bison requirement.
4061 Remove one redundant list of packages needed for building.
4062 (Specific): Avoid reference to CVS.
4064 2006-04-04 Eric Christopher <echristo@apple.com>
4066 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4067 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4068 (rs6000_handle_struct_attribute): New.
4069 (rs6000_ms_bitfield_layout_p): Ditto.
4071 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4073 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4074 NULL for dso parameter to atexit_common.
4076 2006-04-04 Eric Christopher <echristo@apple.com>
4078 * config/i386/i386.c (machopic_output_stub): Output \t
4079 between instructions and operands.
4081 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4083 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4084 satisfies_constraint_[IL] to explicit tests on value.
4086 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4088 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4089 set_nb_iterations_in_loop): Use build_int_cst instead of
4090 build_int_cst_type.
4091 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4092 build_int_cst instead of convert.
4094 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4096 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4097 new value 2 for incoming.
4098 * function.c (expand_function_start): Call struct_value_rtx
4099 with incoming as 2.
4100 * config/sparc/sparc.md: Comment updated_return.
4101 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4102 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4103 struct return if sparc_std_struct_return and incoming is 2.
4104 (print_operand): Do not adjust return if
4105 sparc_std_struct_return.
4107 2006-04-04 Roger Sayle <roger@eyesopen.com>
4109 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4110 convert in the middle-end.
4111 * expr.c (store_expr, store_constructor, get_inner_reference,
4112 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4113 Likewise.
4114 * tree.c (build_range_type): Likewise.
4116 2006-04-04 Tom Tromey <tromey@redhat.com>
4118 * doc/install.texi (Prerequisites): Mention jar.
4120 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4122 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4123 subsection.
4125 2006-04-04 Matthias Klose <doko@debian.org>
4127 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4128 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4129 strings.
4131 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4133 * doc/extend.texi (Function Attributes): Rewrite visibility
4134 attribute documentation.
4135 * doc/invoke.texi (C++ Dialect Options): Rewrite
4136 -fvisibility-inlines-hidden documentation to describe something
4137 entirely different, although in practise compatible.
4138 (Code Gen Options): Warn about system headers in -fvisibility=
4139 documentation.
4141 * doc/extend.texi (Other Builtins): Document that
4142 __builtin_nan is a compile-time constant only when its argument
4143 is valid.
4145 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4147 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4148 trying to remove TRUNCATE check if all bits outside the new mode
4149 are identical to the sign bit.
4151 2006-04-03 Jeff Law <law@redhat.com>
4153 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4154 and operand scanning in some common cases.
4156 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4157 Dale Johannesen <dalej@apple.com>
4159 PR target/19653
4160 * regclass.c (struct reg_pref): Update documentation.
4161 (regclass): Set prefclass to NO_REGS if memory is the best option.
4162 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4163 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4164 into account. For non-registers, equate an empty preferred
4165 reload class to a `!' in the constraint; move the if clause to
4166 do so after those that reject the insn.
4167 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4168 return NO_REGS.
4169 (find_dummy_reload): Likewise.
4170 * doc/tm.texi (Register Classes): Document what it means
4171 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4172 * config/i386/i386.c (ix86_preferred_reload_class): Force
4173 using SSE registers (and return NO_REGS for floating-point
4174 constants) if math is done with SSE.
4175 (ix86_preferred_output_reload_class): New.
4176 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4177 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4178 * config/i386/i386.md: Remove # register preferences.
4180 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4182 PR bootstrap/26992
4183 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4184 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4185 the type of nb_iter.
4186 (instantiate_parameters_1): Convert the operands before calling
4187 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4188 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4190 2006-04-02 Roger Sayle <roger@eyesopen.com>
4192 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4193 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4194 instead of convert.
4195 * dojump.c (do_jump): Likewise.
4196 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4197 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4198 gimplify_boolean_expr): Likewise.
4199 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4200 * varasm.c (array_size_for_constructor): Likewise.
4201 * tree-object-size.c (compute_object_offset): Likewise.
4203 2006-04-02 Roger Sayle <roger@eyesopen.com>
4205 PR middle-end/26977
4206 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4207 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4209 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4211 PR tree-optimization/26939
4212 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4214 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4216 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4217 at_stmt. Convert the type of operands before calling
4218 build_polynomial_chrec.
4219 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4220 add_to_evolution_1.
4221 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4222 (instantiate_parameters_1): Convert the type of operands before calling
4223 build_polynomial_chrec.
4224 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4225 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4226 reset_evolution_in_loop): Insert asserts to check the types of the
4227 operands.
4228 (chrec_type): Moved...
4229 (eq_evolutions_p): Use operand_equal_p.
4230 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4231 the types of the operands.
4232 (chrec_type): ...here.
4233 * tree-data-ref.c (create_data_ref): Convert the operands before
4234 calling chrec_replace_initial_condition.
4235 (same_access_functions, analyze_subscript_affine_affine,
4236 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4237 (compute_subscript_distance, analyze_ziv_subscript,
4238 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4239 analyze_miv_subscript): Convert the operands before calling
4240 chrec_fold_minus or chrec_fold_plus.
4242 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4244 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4245 the dependence_relations vector.
4246 (compute_data_dependences_for_loop): Adjust call to
4247 compute_all_dependences.
4249 2006-04-01 Roger Sayle <roger@eyesopen.com>
4250 Richard Henderson <rth@redhat.com>
4252 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4253 gimple_boolify on the condition before calling gimplify_expr.
4255 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4257 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4258 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4259 the frame size. Update to use the new macros.
4260 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4261 * config/xtensa/ieee754-df.S: Likewise.
4263 2006-03-31 Richard Henderson <rth@redhat.com>
4265 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4266 (make_edges): ... here. Control fallthru creation with a local
4267 variable. Do not play with fake edges.
4268 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4269 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4270 a boolean.
4272 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4274 * dwarf2.h (DW64_CIE_ID): Define.
4275 * dwarf2out.c (DWARF_CIE_ID): Define.
4276 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4277 length header. Use DWARF_CIE_ID.
4278 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4279 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4281 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4283 * config/sh/linux-atomic.asm: New file.
4284 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4286 2006-03-31 DJ Delorie <dj@redhat.com>
4288 * config/m32c/cond.md: Set condition flags properly throughout.
4289 * config/m32c/minmax.md: Likewise.
4290 * config/m32c/prologue.md: Likewise.
4291 * config/m32c/bitops.md: Likewise.
4292 * config/m32c/muldiv.md: Likewise.
4293 * config/m32c/mov.md: Likewise.
4294 * config/m32c/addsub.md: Likewise.
4295 * config/m32c/m32c.md: Likewise.
4296 * config/m32c/jump.md: Likewise.
4297 * config/m32c/shift.md: Likewise.
4299 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4300 conditionally output the pattern for this.
4301 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4302 (m32c_compare_redundant): New.
4303 (m32c_output_compare): New.
4304 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4306 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4307 dest, not src. Allow other 4-byte modes.
4309 2006-03-30 Denis Chertykov <denisc@overta.ru>
4311 * doc/md.texi: Refer to avr/constraints.md instead of
4312 avr/avr.h.
4314 2006-03-30 Roger Sayle <roger@eyesopen.com>
4316 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4317 signed vs. unsigned comparison failures on some hosts.
4319 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4321 PR target/26459
4322 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4323 change to FLOAT_REGS.
4325 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4326 (rs6000_override_options): Use it.
4327 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4328 only for -mabi=spe/no-spe and -mabi=altivec.
4330 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4332 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4333 !Zdynamiclib.
4335 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4337 * Makefile.in: Rename docdir to gcc_docdir.
4339 2006-03-30 Roger Sayle <roger@eyesopen.com>
4341 PR target/17959
4342 * expr.c (emit_group_store): Optimize group stores into a pseudo
4343 register by using a paradoxical subreg to initialize the destination
4344 if the first or last member of the group specifies a "low part".
4346 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4348 PR target/26734
4349 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4350 * target.h (struct gcc_target.speculate_insn): Change type of the
4351 second parameter to 'int'.
4352 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4353 the second operand of the DEPS_LIST.
4354 (copy_DEPS_LIST_list): Update reference to the second operand of the
4355 DEPS_LIST.
4356 * rtl.h (alloc_DEPS_LIST): Update signature.
4357 * sched-int.h (ds_t): Change typedef to 'int'.
4358 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4360 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4362 * haifa-sched.c (try_ready): Change condition to restore
4363 non-speculative pattern of the instruction.
4364 (process_insn_depend_be_in_spec): Code to keep probability of the
4365 speculative dependence non-decreasing.
4367 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4369 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4370 (single_move_for_movmem): ... this. Also change all uses.
4371 (bfin_expand_strmov): Renamed to...
4372 (bfin_expand_movmem): ... this. Also change all uses.
4373 * config/bfin/bfin.md (movstrsi): Renamed to...
4374 (movstrsi): ...this.
4376 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4378 PR tree-optimization/26830
4380 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4381 (copy_prop_visit_stmt): Remove write-only variable ann.
4382 (init_copy_prop): Check variable loop depth here. Do not simulate
4383 memory-tag and virtual operand PHIs except for store copy prop.
4385 2006-03-30 Richard Guenther <rguenther@suse.de>
4387 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4388 variants with double arguments.
4390 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4392 * genpreds.c (write_tm_constrs_h): Delete variable p.
4393 * genconditions.c (write_header): Add tm-constrs.h to included
4394 headers.
4395 * genpeep.c (main): Add toplev.h to included headers.
4396 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4397 (build/genpeep.o): Add toplev.h dependency.
4398 * config/rs6000/constraints.md: Add "W" constraint.
4400 2006-03-29 Roger Sayle <roger@eyesopen.com>
4402 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4403 sizes by correctly testing whether the size fits a host integer.
4404 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4405 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4406 SImode range for the default sizetype and bitsizetype.
4408 2006-03-29 Roger Sayle <roger@eyesopen.com>
4410 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4411 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4412 quickly if the argument is already of the correct type.
4413 Call fold_build1 instead of build1. Tidy up blank lines.
4415 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4417 * genemit.c (main): Add tm-constrs.h to included headers.
4418 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4419 * genpeep.c (main): Add tm-constrs.h to included headers.
4420 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4421 (write_tm_constrs_h): this and write complete file.
4422 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4423 (write_insn_preds_c): Add tm-constrs.h to included headers.
4424 (gen_constrs): New variable.
4425 (parse_option): Parse "-c".
4426 (main): Invoke write_tm_constrs_h.
4427 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4428 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4429 (object_out_file): Add tm-constrs.h dependency.
4430 (insn-emit.o): Same.
4431 (insn-output.o): Same.
4432 (insn-peep.o): Same.
4433 (insn-preds.o): Same.
4434 (insn-recog.o): Same.
4435 (tm-constsr.h): New target.
4436 (s-constrs-h): New target.
4438 * config/rs6000/constraints.md: New file.
4439 * config/rs6000/rs6000.c: Include tm-constrs.h.
4440 (num_insn_constant_wide): Convert to satisfies_constraint.
4441 (rs6000_rtx_costs): Convert to satisfies_constraint.
4442 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4443 (CONST_OK_FOR_LETTER_P): Delete.
4444 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4445 (EXTRA_CONSTRAINT): Delete.
4446 (EXTRA_MEMORY_CONSTRAINT): Delete.
4447 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4448 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4449 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4450 satisfies_constraint.
4452 * config/i386/i386.c: Include tm-constrs.h.
4454 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4456 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4457 * tree-data-ref.c (find_data_references_in_loop,
4458 compute_data_dependences_for_loop): Use pointers to VEC.
4459 (analyze_all_data_dependences): Adjust calls.
4460 * tree-data-ref.h (find_data_references_in_loop,
4461 compute_data_dependences_for_loop): Adjust declarations.
4462 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4463 compute_data_dependences_for_loop.
4465 2006-03-29 Paul Brook <paul@codesourcery.com>
4467 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4468 (movdf_vfp): Ditto.
4470 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4472 PR tree-optimization/26859
4473 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4474 division by zero.
4475 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4476 for the step after fold_convert.
4478 2006-03-29 Paul Brook <paul@codesourcery.com>
4480 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4481 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4483 2006-03-29 Paul Brook <paul@codesourcery.com>
4485 PR middle-end/23623
4486 * targhooks.c (default_narrow_bitfield): New fuction.
4487 * targhooks.h (default_narrow_bitfield): add prototype.
4488 * target.h (gcc_target): Add narrow_volatile_bitfield.
4489 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4490 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4491 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4492 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4494 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4496 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4497 tmake_file.
4498 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4499 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4500 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4501 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4502 (s390_function_arg_float): Allow SDmode and DDmode values to be
4503 passed in floating point registers.
4504 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4505 check with SCALAR_FLOAT_MODE_P.
4506 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4508 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4510 PR tree-optimization/25985
4511 * tree-ssa-loop-niter.c (number_of_iterations_le,
4512 number_of_iterations_ne): Make comments more precise.
4513 (number_of_iterations_cond): Add only_exit argument. Use the
4514 fact that signed variables do not overflow only when only_exit
4515 is true.
4516 (loop_only_exit_p): New.
4517 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4518 number_of_iterations_cond.
4520 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4522 PR tree-optimization/26643
4523 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4524 bit_field_refs.
4526 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4528 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4529 (divsi3_i4_int): Likewise.
4531 2006-03-28 Roger Sayle <roger@eyesopen.com>
4533 * expr.c (emit_group_store): Only create a new pseudo reg if the
4534 quantity it needs to hold isn't already a suitable pseudo.
4536 2006-03-28 Jeff Law <law@redhat.com>
4538 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4539 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4541 2006-03-28 Roger Sayle <roger@eyesopen.com>
4543 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4544 the equivalent ~X & Y, and the symmetry related transformations.
4545 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4546 ~X & Y, and symmetry related transforms.
4548 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4550 Revert my 2006-03-27 patches.
4552 2006-03-28 Roger Sayle <roger@eyesopen.com>
4554 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4555 ~(T1)X, when T1 and T2 are integer types of the same precision
4556 and (T2)X isn't an extension.
4558 2006-03-28 Jeff Law <law@redhat.com>
4560 PR tree-optimization/26796
4561 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4562 need EH edge cleanups rather than purging them immediately.
4563 (eliminate_degenerate_phis): Handle queued EH cleanups.
4565 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4567 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4568 from parent_var.
4570 2006-03-27 Roger Sayle <roger@eyesopen.com>
4572 PR middle-end/22524
4573 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4574 cast BIT_NOT_EXPR operand to the correct type.
4576 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4578 * tree-loop-linear.c: Don't include varray.h.
4579 (gather_interchange_stats, try_interchange_loops,
4580 linear_transform_loops): Use VEC instead of VARRAY.
4581 * lambda-mat.c: Don't include varray.h.
4582 * tree-chrec.c: Same.
4583 * lambda-trans.c: Same.
4584 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4585 VEC instead of VARRAY.
4586 * tree-vectorizer.h: Idem.
4587 * tree-data-ref.c (dump_data_references,
4588 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4589 initialize_data_dependence_relation, finalize_ddr_dependent,
4590 compute_all_dependences, find_data_references_in_loop,
4591 compute_data_dependences_for_loop, analyze_all_data_dependences,
4592 free_dependence_relation, free_dependence_relations,
4593 free_data_refs): Idem.
4594 * tree-data-ref.h (data_reference_p, subscript_p): New.
4595 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4596 VEC instead of VARRAY.
4597 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4598 (find_data_references_in_loop, compute_data_dependences_for_loop,
4599 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4600 dump_data_dependence_relations, free_dependence_relations,
4601 free_data_refs): Adjust declaration.
4602 (lambda_transform_legal_p): Move declaration here...
4603 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4604 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4605 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4606 vect_analyze_data_refs): Use VEC instead of VARRAY.
4607 * lambda.h (lambda_transform_legal_p): ...from here.
4608 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4609 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4610 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4611 tree-chrec.o): Don't depend on VARRAY_H.
4613 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4615 * rtl.def (Copyright): Update date.
4616 (DEPS_LIST): Change type of the second operand to 'int'.
4617 * target.h (Copyright): Update date.
4618 (struct gcc_target.speculate_insn): Change type of the second parameter
4619 to 'int'.
4620 * lists.c (Copyright): Update date.
4621 (alloc_DEPS_LIST): Change signature. Update reference to the second
4622 operand of the DEPS_LIST.
4623 (copy_DEPS_LIST_list): Update reference to the second operand of the
4624 DEPS_LIST.
4625 * rtl.h (Copyright): Update date.
4626 (alloc_DEPS_LIST): Update signature.
4627 * sched-int.h (Copyright): Update date.
4628 (ds_t): Change typedef to 'int'.
4629 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4631 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4633 * haifa-sched.c (Copyright): Update date.
4634 (try_ready): Change condition to restore non-speculative pattern
4635 of the instruction.
4636 (process_insn_depend_be_in_spec): Code to keep probability of the
4637 speculative dependence non-decreasing.
4639 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4641 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4642 shut up the compiler.
4644 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4646 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4647 to use lib prefix for target.
4648 ($(T)libic_invalidate_array_4-200.a): Likewise.
4649 ($(T)libic_invalidate_array_4a.a): Likewise.
4651 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4652 J"orn Rennecke <joern.rennecke@st.com>
4654 * superh.opt: New file.
4655 * sh.c (boardtype, osruntime): Remove.
4656 * superh.h (SUBTARGET_OPTIONS): Remove.
4657 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4659 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4660 arguments with ^ and/or [].
4662 * config.gcc (sh-*-*): Add quoting to account for quirk of
4663 Solaris /bin/sh.
4664 Replace == with = in enable_incomplete_targets test.
4666 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4667 with MASK_LITTLE_ENDIAN.
4669 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4670 * config/sh/sh.opt: Added to some comments.
4671 * config/sh/superh.h: Removed some chaff.
4673 * config/sh/sh.opt: Add m4-[1234]00* options.
4674 * config/sh/sh.c (sh_handle_option): Likewise.
4675 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4676 (ic_invalidate_array_4-100.o): New rule.
4677 ($(T)libic_invalidate_array_4-100.a): Likewise.
4678 (ic_invalidate_array_4-200.o): Likewise.
4679 ($(T)libic_invalidate_array_4-200.a): Likewise.
4680 (ic_invalidate_array_4a.o): Likewise.
4681 ($(T)libic_invalidate_array_4a.a): Likewise.
4682 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4683 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4684 m4-200*, and m4a*.
4685 * config/sh/crt1.asm: Merged in profiling code.
4686 * config/sh/superh.h (STARTFILE_SPEC): Override.
4687 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4688 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4689 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4691 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4692 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4693 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4695 * sh.opt (mpretend-cmove): New option.
4696 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4697 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4698 (movsicc): Add TARGET_PRETEND_CMOVE code.
4700 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4702 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4703 s390_class_max_nregs): New function prototypes.
4704 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4705 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4706 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4707 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4709 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4711 * dwarf2out.c (add_location_or_const_value_attribute): Call
4712 tree_add_const_value_attribute if nothing else works.
4713 (reference_to_unused): New.
4714 (rtl_for_decl_init): Use reference_to_unused to decide whether
4715 to output an initializer.
4717 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4719 PR target/26459
4720 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4721 peephole removing spe frob_di_df_2.
4723 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4725 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4726 (subscript_dependence_tester_1): Declared.
4727 (print_dir_vectors, print_dist_vectors): New.
4728 (debug_data_dependence_relation): New.
4729 (dump_data_dependence_relation): Print more details.
4730 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4731 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4732 (save_dist_v, save_dir_v, add_outer_distances,
4733 build_classic_dist_vector_1): New.
4734 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4735 Don't test for lambda_vector_lexico_pos.
4736 (same_access_functions, add_multivariate_self_dist,
4737 add_other_self_distances, dir_from_dist): New.
4738 (build_classic_dir_vector): Replace implementation almost identical to
4739 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4740 dir_from_dist.
4741 (subscript_dependence_tester_1): New.
4742 (subscript_dependence_tester): Handle the lexicographically negative
4743 distance vectors by recomputing the dependence relation.
4744 (compute_affine_dependence): Remove parameter loop_nest_depth.
4745 (compute_self_dependence): Don't call compute_subscript_distance.
4746 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4747 Add a parameter for the loop_nest.
4748 (find_loop_nest_1, find_loop_nest): New.
4749 (compute_data_dependences_for_loop): Compute the loop nest, and give
4750 up if the nest is not well formed.
4751 * tree-data-ref.h (loop_p): New.
4752 (struct data_dependence_relation): Replace size_vect field with
4753 loop_nest, a vec of loops.
4754 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4755 (DDR_LOOP_NEST): New.
4756 (print_dir_vectors, print_dist_vectors,
4757 debug_data_dependence_relation): Declared.
4758 (index_in_loop_nest): New.
4759 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4760 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4761 distance.
4763 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4765 * simplify-rtx.c (simplify_relational_operation): Call
4766 simplify_relational_operation_1 even if mode is VOIDmode.
4768 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4770 PR tree-optimization/26804
4771 * tree.h (DECL_CALL_CLOBBERED): New macro.
4772 (tree_decl_common): Add call_clobbered_flag.
4773 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4774 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4775 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4776 (mark_non_addressable): Ditto.
4777 * tree-ssa.c (verify_call_clobbered): New function.
4778 (verify_alias_info): Use it.
4779 * tree-pass.h (pass_reset_cc_flags): New prototype.
4780 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4781 (reset_cc_flags): New function.
4782 * passes.c (init_optimization_passes): Call reset_cc_flags after
4783 initializing referenced_vars.
4785 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4786 Roger Sayle <roger@eyesopen.com>
4788 PR middle-end/26717
4789 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4790 to 1.0 for non-real operands. Implement A / A optimization for
4791 complex operands.
4793 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4795 * config/i386/i386.c (size_cost): Correct the comment for
4796 cost of storing fp registers.
4797 (i386_cost): Likewise.
4798 (i486_cost): Likewise.
4799 (pentium_cost): Likewise.
4800 (pentiumpro_cost): Likewise.
4801 (k6_cost): Likewise.
4802 (athlon_cost): Likewise.
4803 (k8_cost): Likewise.
4804 (pentium4_cost): Likewise.
4805 (nocona_cost): Likewise.
4806 (generic64_cost): Likewise.
4807 (generic32_cost): Likewise.
4809 2006-03-24 Denis Chertykov <denisc@overta.ru>
4811 * config/avr/avr-protos.h (extra_constraint): Delete.
4812 (extra_constraint_Q): New declaration.
4813 * config/avr/constraints.md: New file.
4814 * config/avr/avr.md: Include it.
4815 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4816 (TMP_REGNO, ZERO_REGNO): Likewise.
4817 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4818 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4819 (extra_constraint): Delete.
4820 (extra_constraint_Q): Test for memory constraint 'Q'.
4821 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4822 (REG_CLASS_FROM_LETTER): Delete.
4823 (CONST_OK_FOR_LETTER_P): Delete.
4824 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4825 (EXTRA_CONSTRAINT): Delete.
4826 (TMP_REGNO): Delete.
4827 (ZERO_REGNO): Delete.
4829 2006-03-24 Jeff Law <law@redhat.com>
4831 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4832 directly. Call mark_new_vars_to_rename slightly earlier.
4834 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4836 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4837 (is_cxx): Likewise.
4838 (gen_compile_unit_die): Use new language types for Objective-C and
4839 Objective-C++.
4840 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4841 DW_LANG_C_plus_plus.
4843 PR 26793
4844 * config/t-darwin (crt3.o): Work around bug 26840.
4845 * config/darwin-crt3.c: Rewrite.
4846 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4848 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4850 * doc/invoke.texi: Document -femit-class-debug-always
4851 * common.opt: Add -femit-class-debug-always.
4853 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4855 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4856 index and base register.
4857 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4858 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4859 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4860 REGNO_OK_FOR_INDEX_P.
4861 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4862 ADDR_REGNO_P.
4863 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4864 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4865 REG_OK_FOR_BASE_P): Definitions removed.
4867 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4869 PR middle-end/26611
4870 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4871 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4872 set yet or weren't marked as local yet.
4874 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4876 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4877 the compiler.
4879 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4881 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4882 (rs6000_legitimate_small_data_p): Delete.
4883 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4884 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4885 and make static. Add forward declaration. Update uses.
4886 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4887 of offsettable_memref_p.
4888 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4889 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4891 2006-03-24 Jeff Law <law@redhat.com>
4893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4894 around bug in immediate-use iterator.
4896 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4898 PR target/26607
4899 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4900 or __LITTLE_ENDIAN__.
4902 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4904 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4905 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4906 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4907 * config/sh/sh.opt (mdiv=): Amend description.
4908 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4909 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4910 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4911 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4912 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4913 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4914 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4915 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4916 TARGET_DIVIDE_CALL_FP.
4918 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4920 * haifa-sched.c (choose_ready): Fix type of the local variable.
4921 Move local variables. Add comment.
4922 (check_reg_live): Change signature. Make callable from debugger.
4923 * sched-int.h (check_reg_live): Update signature.
4924 * sched-ebb.c (check_reg_live): Update parameters.
4925 * sched-rgn.c (check_reg_live): Ditto.
4926 (region_head_or_leaf_p): Check pointer before dereferencing.
4927 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4928 before reload on optimization levels below 1.
4930 2006-03-23 Richard Henderson <rth@redhat.com>
4932 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4933 tls symbols.
4935 PR target/26347
4936 * config/alpha/predicates.md (local_symbolic_operand): Reject
4937 weak symbols.
4939 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4941 PR tree-opt/26795
4942 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4943 expressions which have overflowed constants.
4945 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4947 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4949 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4951 * cfgloopmanip.c (create_loop_notes): Removed.
4952 * final.c (final_scan_insn): Do not handle loop notes.
4953 * jump.c (squeeze_notes): Ditto.
4954 * cfglayout.c (skip_insns_after_block,
4955 duplicate_insn_chain): Ditto.
4956 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4957 create_loop_notes.
4958 * cfgloop.h (create_loop_notes): Declaration removed.
4960 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4962 * varasm.c (output_constant_pool): Restore fnname and fndecl
4963 arguments.
4964 (assemble_start_function): Adjust call accordingly.
4965 (assemble_end_function): Likewise.
4967 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4969 PR mudflap/26789
4970 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4972 PR mudflap/26790
4973 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4975 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4977 PR driver/22600
4978 * system.h (ICE_EXIT_CODE): New macro.
4979 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4980 (diagnostic_action_after_output): Likewise.
4981 * gcc.c (fatal_ice): New function.
4982 (execute): Use it instead of fatal.
4983 (fancy_abort): Likewise.
4984 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4986 2006-03-22 Jeff Law <law@redhat.com>
4988 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4989 iv_analyze_result returning false.
4991 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4993 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4995 2006-03-22 Richard Henderson <rth@redhat.com>
4997 PR middle-end/26084
4998 * except.c (duplicate_eh_regions_0): New.
4999 (duplicate_eh_region_1): Duplicate the children of the node as
5000 well as the node itself. Link them up properly.
5001 (duplicate_eh_region_2): Merge into ...
5002 (duplicate_eh_regions): ... here. Take copy_region argument, and
5003 copy only a sub-tree if asked. Simplify copying and fixup.
5004 (eh_region_outer_p): New.
5005 * except.h (duplicate_eh_regions): Update decl.
5006 (eh_region_outer_p): Declare.
5007 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5008 (lower_omp_master): Likewise.
5009 (lower_omp_ordered): Likewise.
5010 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5011 (move_stmt_r): Use it to remap labels. Handle recursion vs
5012 remap_decls_p properly.
5013 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5014 (find_outermost_region_in_block): New.
5015 (new_label_mapper): New.
5016 (move_sese_region_to_fn): Copy eh information to the new function
5017 properly.
5018 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5019 argument.
5020 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5021 number.
5023 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5025 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5026 into shared libraries.
5028 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5030 * doc/md.texi: Refer to i386/constraints.md instead of
5031 i386/predicates.md.
5032 * config/i386/constraints.md: New file, extracted from...
5033 * config/i386/predicates.md: ...here.
5034 * config/i386/i386.md: Include constraints.md.
5036 2006-03-21 Jason Merrill <jason@redhat.com>
5038 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5040 PR middle-end/20297
5041 * expr.c (init_block_move_fn): Force default visibility.
5042 (init_block_clear_fn): Likewise.
5043 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5044 * targhooks.c (default_external_stack_protect_fail): Likewise.
5046 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5048 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5049 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5050 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5051 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5052 (loadgp): Use mips_current_loadgp_style.
5053 (loadgp_noshared): New pattern.
5054 (sibcall_internal): Use MIPS_CALL.
5055 (sibcall_value_internal): Likewise.
5056 (sibcall_value_multiple_internal): Likewise.
5057 (call_internal): Likewise.
5058 (call_value_internal): Likewise.
5059 (call_value_multiple_internal): Likewise.
5060 (call_split): Use MIPS_CALL and add an 'S' constraint.
5061 (call_value_split): Likewise.
5062 (call_value_multiple_split): Likewise.
5063 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5064 (-mshared): New option.
5065 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5066 (mips_current_loadgp_style): Declare.
5067 * config/mips/mips.c (mips_classify_symbol): Avoid using
5068 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5069 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5070 TARGET_ABSOLUTE_ABICALLS.
5071 (override_options): Adjust comments. Improve the warning that is
5072 issued when -mabicalls and -G are used together.
5073 (mips_file_start): Remove comment.
5074 (mips_current_loadgp_style): New function.
5075 (mips_gnu_local_gp): New variable.
5076 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5077 LOADGP_ABSOLUTE.
5078 (mips_output_function_prologue): Use mips_current_laodgp_style.
5079 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5080 the cprestore instruction.
5081 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5082 live for TARGET_ABSOLUTE_ABICALLS.
5083 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5084 (ASM_SPEC): Pass down -mshared and -mno-shared.
5085 (MIPS_CALL): New macro.
5086 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5087 definition.
5088 * doc/invoke.texi (-mabicalls): Update documentation.
5089 (-mshared): Document.
5091 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5093 * config/ia64/unwind-hpux.c: New file.
5094 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5096 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5098 PR libgomp/26384
5099 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5101 2006-03-21 Jeff Law <law@redhat.com>
5103 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5104 type conversions of a VR_VARYING source to a wider type.
5106 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5108 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5109 tm_file on Solaris 10 and later.
5110 (sparc64-*-solaris2*): Likewise.
5111 (sparc-*-solaris2*): Likewise.
5112 * config/sol26.h: Rename to config/sol2-6.h.
5113 * config/sol2-10.h: New file.
5115 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5117 PR tree-opt/26781
5118 * tree-ssa-pre.c (create_component_ref_by_pieces):
5119 Handle STRING_CST.
5121 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5123 PR c++/26690
5124 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5125 return it immediately.
5127 2006-03-21 Michael Matz <matz@suse.de>
5129 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5130 New members.
5131 (remove_arc, add_arc): Update num_out_arcs member.
5132 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5133 of out arcs.
5134 (cache_presence): New function.
5135 (compare_states_for_equiv): New function.
5136 (state_is_differed): Don't take number of outargs, adjust callers.
5137 Use new invariant for speeding up.
5138 (init_equiv_class): Create initial classes based on sorted
5139 input.
5140 (partition_equiv_class): Don't track out_arcs_num.
5141 (evaluate_equiv_classes): Call cache_presence on all states and
5142 sort them.
5144 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5146 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5147 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5148 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5149 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5150 callers changed.
5151 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5152 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5153 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5154 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5155 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5156 macros.
5157 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5158 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5159 (REGNO_REG_CLASS): ARGP is in PREGS.
5160 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5161 IREGS.
5162 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5163 to deal with those addresses.
5164 * addresses.h: New file.
5165 * caller-save.c: Include "addresses.h".
5166 (init_caller_save): Use new base_reg_class function.
5167 * rtl-factoring.c: Include "addresses.h".
5168 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5169 * recog.c: Include "addresses.h".
5170 (preprocess_constraints): Use new base_reg_class function.
5171 * regrename.c: Include "addresses.h".
5172 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5173 functions. Keep track of a new var INDEX_CODE to compute valid
5174 classes.
5175 (replace_oldest_value_addr): Likewise.
5176 (replace_oldest_value_mem): Use base_reg_class.
5177 * reload.c: Include "addresses.h".
5178 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5179 (find_reloads): Use new base_reg_class function.
5180 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5181 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5182 all callers and prototype changed.
5183 * reload1.c: Include "addresses.h".
5184 (maybe_fix_stack_asms): Use base_reg_class.
5185 * regclass.c: Include "addresses.h".
5186 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5187 (init_reg_autoinc): Use new base_reg_class function.
5188 (record_reg_classes): Likewise.
5189 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5190 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5191 Use new args to compute necessary class.
5193 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5194 regrename.o, rtl-factoring.o): Update dependencies.
5195 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5196 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5197 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5198 REG_OK_FOR_INDEX_P): Delete documentation.
5200 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5202 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5203 from V7 to V9 for Solaris 7 and above.
5205 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5207 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5208 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5209 argument pointers may not alias any other storage.
5210 * common.opt: Define option -fargument-noalias-anything.
5211 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5212 alias semantics is specified by flag_argument_noalias > 2.
5214 2006-03-20 Jeff Law <law@redhat.com>
5216 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5217 (pass_phi_only_cprop): Declare.
5218 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5219 with phi_only_cprop
5220 * tree-ssa-dom.c (degenerate_phi_result): New function.
5221 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5222 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5223 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5224 (eliminate_degenerate_phis): Likewise.
5225 (pass_phi_only_cprop): New pass descriptor.
5226 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5227 support code. Callers updated.
5228 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5229 (store_copy_prop): Likewise.
5230 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5232 2006-03-20 Jason Merrill <jason@redhat.com>
5234 PR c++/21764
5235 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5236 (push_visibility, pop_visibility): Likewise.
5237 * c-pragma.h: Declare them.
5239 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5241 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5243 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5244 parameter and use get_ebb_head_tail.
5245 (sh_md_init_global): Adjust uses of find_regmode_weight.
5247 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5249 * function.h (struct function) <x_tail_recursion_reentry>:
5250 Rename to x_stack_check_probe_note.
5251 (tail_recursion_reentry): Rename to stack_check_probe_note.
5252 * function.c: Replace tail_recursion_reentry with
5253 stack_check_probe_note everywhere.
5254 (expand_function_start): Only emit a note for
5255 stack_check_probe_note with -fstack-protect.
5256 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5258 * emit-rtl.c (remove_unnecessary_notes): Remove.
5259 (pass_remove_unnecessary_notes): Remove.
5260 * rtl.h (remove_unnecessary_notes): Remove prototype.
5261 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5262 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5263 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5265 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5267 PR tree-opt/26629
5268 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5269 (valid_in_set): Handle ARRAY_REF.
5270 Change "if min_variant or VH" to asserts.
5271 (create_component_ref_by_pieces): Handle ARRAY_REF.
5272 (create_expression_by_pieces): Likewise.
5273 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5275 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5277 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5278 is operand of switch, not str[0].
5280 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5282 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5283 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5285 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5287 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5288 end of insn_extra_address_constraint declaration.
5290 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5292 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5293 (no-sum-in-toc): Same.
5294 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5295 variables.
5296 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5297 NO_FP_IN_TOC for -fPIC instead of mask.
5299 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5300 (BOOT_LDFLAGS): Delete.
5301 (LDFLAGS): Delete.
5302 * config/rs6000/t-aix52: Same.
5304 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5305 (stmsi[345678]_power): New.
5307 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5309 * config/ia64/ia64.opt: Add empty line to end of file.
5311 2006-03-17 Richard Guenther <rguenther@suse.de>
5313 PR middle-end/26721
5314 * builtins.c (get_pointer_alignment): For component style references
5315 adjust alignment to the component type alignment. Make sure
5316 to adjust alignment for component access of constants.
5318 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5320 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5321 unconditional jump.
5323 2006-03-17 Paul Brook <paul@codesourcery.com>
5325 * doc/install.texi: Docuemnt --with-mode.
5326 * config.gcc: Add --with-mode for arm*-*-*.
5327 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5329 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5331 * sh.c (max_labelno_before_reorg): New variable.
5332 (sh_reorg): Initialize it.
5333 (find_barrier): Check max_labelno_before_reorg before using
5334 label_to_alignment. Take length of explicit alignment insns
5335 into account. When seeing a UNSPECV_CONST_END, return it.
5337 * sh.c (fixup_mova): Set mode of affected label to QImode.
5338 (untangle_mova): New function.
5339 (find_barrier): Use it. Check mode of label before decrementing
5340 num_mova.
5341 (sh_reorg): Likewise.
5342 Set mode of all insns back to VOIDmode.
5344 * sh.c (MOVA_LABELREF): New macro.
5345 (mova_p, fixup_mova, sh_reorg): Use it.
5346 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5347 ADDR_DIFF_VEC matches mova.
5349 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5351 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5352 with ATTRIBUTE_UNUSED.
5354 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5356 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5357 pointer, instead of assuming it is possible to derive the
5358 correct args size from a call insn.
5360 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5362 * rtl.h (CONST_INT_P): Define.
5363 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5364 instead of GET_CODE(x) == CONST_INT.
5365 (vax_rtx_costs): Likewise.
5366 (vax_output_int_move): Likewise.
5367 (vax_output_int_add): Likewise.
5368 (legitimate_constant_address_p): Likewise.
5369 (index_term_p): Likewise.
5370 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5371 * config/vax/vax.md (and<mode>3): Likewise.
5372 (ashrsi3): Likewise.
5373 (extv): Likewise.
5374 (movstricthi): Likewise.
5375 (movstrictqi): Likewise.
5376 (rotrsi3): Likewise.
5377 (five unnamed insns): Likewise.
5379 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5381 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5382 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5383 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5384 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5385 Pass to ASM_OUTPUT_DWARF_OFFSET.
5386 * dwarf2out.c (debug_frame_section): New.
5387 (output_call_frame_info): Use debug_frame_section. Pass it to
5388 dw2_asm_output_offset.
5389 (output_die): Pass appropriate section to dw2_asm_output_offset.
5390 (output_compilation_unit_header): Likewise.
5391 (output_pubnames): Likewise.
5392 (output_aranges): Likewise.
5393 (enum dw_val_class): Break dw_val_class_lbl_offset into
5394 dw_val_class_lineptr and dw_val_class_macptr.
5395 (add_AT_lbl_offset): Delete.
5396 (add_AT_lineptr): New.
5397 (add_AT_macptr): New.
5398 (AT_lbl): Expect a lineptr or macptr.
5399 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5400 (attr_checksum): Likewise.
5401 (same_dw_val_p): Likewise.
5402 (size_of_die): Likewise.
5403 (value_format): Likewise.
5404 (output_die): Likewise.
5405 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5406 add_AT_lbl_offset.
5407 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5408 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5409 * config/darwin-protos.h (darwin_file_start): New.
5410 (darwin_asm_output_dwarf_offset): New.
5411 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5412 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5413 darwin_file_start.
5414 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5415 if not EH section; simplify.
5416 (darwin_file_start): New.
5417 (darwin_asm_output_dwarf_offset): New.
5418 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5419 mark as 'debug'.
5420 (DEBUG_INFO_SECTION): Likewise.
5421 (DEBUG_ABBREV_SECTION): Likewise.
5422 (DEBUG_ARANGES_SECTION): Likewise.
5423 (DEBUG_MACINFO_SECTION): Likewise.
5424 (DEBUG_LINE_SECTION): Likewise.
5425 (DEBUG_LOC_SECTION): Likewise.
5426 (DEBUG_PUBNAMES_SECTION): Likewise.
5427 (DEBUG_STR_SECTION): Likewise.
5428 (DEBUG_RANGES_SECTION): Likewise.
5429 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5430 (ASM_OUTPUT_DWARF_OFFSET): New.
5432 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5434 * config.gcc (tm_defines): Always add to previous value rather
5435 than replacing it.
5437 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5439 * config/mips/predicates.md (splittable_const_int_operand): New,
5440 split from move_operand.
5441 (splittable_symbolic_operand): New.
5442 (move_operand): Add commentary. Use splittable_const_int_operand.
5443 Inline mips_atomic_symbolic_constant_p.
5444 * config/mips/mips.md: Add combine splitters for handling moves
5445 of splittable_const_int_operands and splittable_symbolic_operands.
5446 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5447 (mips_split_symbol): Declare.
5448 (mips_move_integer): Declare.
5449 * config/mips/mips.c (mips_split_p): Make global.
5450 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5451 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5452 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5453 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5454 (mips_offset_within_object_p): Handle block symbols.
5455 (mips_atomic_symbolic_constant_p): Delete.
5456 (mips_cannot_force_const_mem): Return false for constants that
5457 mips_legitimize_move can handle.
5458 (mips_use_blocks_for_constant_p): New function.
5459 (mips_split_symbol): Make global.
5460 (mips_move_integer): Likewise. Add a temporary register argument.
5461 (mips_legitimize_const_move): Use splittable_const_int_operand and
5462 splittable_symbolic_operand.
5463 (mips_use_anchors_for_symbol_p): New function.
5464 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5465 (mips_split_p): Declare.
5467 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5469 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5470 (mips*-*-linux*): Likewise.
5472 2006-03-16 Roger Sayle <roger@eyesopen.com>
5473 Daniel Speyer <dspeyer@wam.umd.edu>
5475 PR middle-end/18259
5476 * tree-dump.c (dump_real): New function.
5477 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5478 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5479 (tree-dump.o): Add $(REAL_H) to the dependencies.
5481 2006-03-16 Roger Sayle <roger@eyesopen.com>
5483 PR middle-end/21781
5484 * real.c (real_from_string): If the mantissa is zero, don't bother
5485 parsing the exponent as the result should always be zero.
5487 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5489 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5491 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5493 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5494 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5495 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5496 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5497 ia64_sched_finish_global): New static functions to implement
5498 hooks from gcc_target.sched.
5499 (spec_check_no, max_uid, pending_data_specs): New static variables.
5500 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5501 ia64_spec_check_src_p): New static functions.
5502 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5503 (TARGET_SCHED_ADJUST_COST): Removed.
5504 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5505 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5506 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5507 TARGET_SCHED_GEN_CHECK,
5508 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5509 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5510 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5511 Fixed to handle speculation checks.
5512 (rtx_needs_barrier): Fixed to handle speculative loads and
5513 their checks.
5514 (ia64_variable_issue): Added code to count speculative loads and their
5515 checks.
5516 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5517 speculative loads.
5518 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5519 New enumerations.
5520 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5521 New constants.
5522 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5523 (ia64_reorg): Reset stops_p to NULL after it is freed.
5524 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5525 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5526 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5527 chk_a.
5528 (data_speculative, control_speculative, check_load): New attributes.
5529 (mov<mode>_advanced, mov<mode>_speculative,
5530 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5531 zero_extend<mode>di2_speculative,
5532 zero_extend<mode>di2_speculative_advanced): New patterns for
5533 data and control speculative loads.
5534 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5535 check loads.
5536 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5537 New pattern for data and control speculation checks.
5538 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5539 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5540 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5541 Auxiliary definitions for the patterns.
5542 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5543 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5544 constraints.
5545 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5546 for speculation.
5547 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5548 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5549 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5550 New resource constraints.
5551 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5552 for speculation.
5553 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5554 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5555 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5556 msched-in-control-spec, msched-ldc, msched-control-ldc,
5557 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5558 msched-prefer-non-control-spec-insns,
5559 msched-count-spec-in-critical-path): New flags to tune speculative
5560 scheduling.
5561 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5562 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5563 msched-in-control-spec, msched-ldc, msched-control-ldc,
5564 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5565 msched-prefer-non-control-spec-insns,
5566 msched-count-spec-in-critical-path): Document new flags.
5568 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5570 * target.h (struct spec_info_def): New opaque declaration.
5571 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5572 speculate_insn, needs_block_p, gen_check,
5573 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5574 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5575 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5576 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5577 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5578 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5579 gcc_target.sched.
5580 (TARGET_SCHED): Use new macros.
5581 * rtl.h (copy_DEPS_LIST_list): New prototype.
5582 * sched-int.h (struct sched_info): Change signature of new_ready field,
5583 adjust all initializations. New fields: add_remove_insn,
5584 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5585 region_head_or_leaf_p.
5586 (struct spec_info_def): New structure declaration.
5587 (spec_info_t): New typedef.
5588 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5589 recovery_block, orig_pat.
5590 (glat_start, glat_end): New variables declaraions.
5591 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5592 New access macros.
5593 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5594 DETACH_LIFE_INFO, USE_GLAT.
5595 (enum SPEC_SCHED_FLAGS): New enumeration.
5596 (NOTE_NOTE_BB_P): New macro.
5597 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5598 attach_life_info, debug_spec_status, check_reg_live): New functions.
5599 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5600 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5601 sched-ebb.c
5602 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5603 * ddg.c (get_block_head_tail): Adjust all uses.
5604 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5605 (sms_sched_info): Initialize new fields.
5606 (contributes_to_priority): Removed.
5607 * haifa-sched.c (params.h): New include.
5608 (get_block_head_tail): Adjust all uses.
5609 (ISSUE_POINTS): New macro.
5610 (glat_start, glat_end): New global variables.
5611 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5612 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5613 old_last_basic_block, before_recovery, current_sched_info_var,
5614 rgn_n_insns, luid): New static variables.
5615 (insn_cost1): New function. Move logic from insn_cost to here.
5616 (find_insn_reg_weight1): New function. Move logic from
5617 find_insn_reg_weight to here.
5618 (reemit_notes, move_insn, max_issue): Change signature.
5619 (move_insn1): Removed.
5620 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5621 extend_bb): New static functions to support extension of scheduler's
5622 data structures.
5623 (generate_recovery_code, process_insn_depend_be_in_spec,
5624 begin_speculative_block, add_to_speculative_block,
5625 init_before_recovery, create_recovery_block, create_check_block_twin,
5626 fix_recovery_deps): New static functions to support
5627 generation of recovery code.
5628 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5629 restore_bb_notes, move_block_after_check, move_succs): New static
5630 functions to support ebb scheduling.
5631 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5632 functions to support handling of register live information.
5633 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5634 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5635 add_jump_dependencies): New static functions.
5636 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5637 consistancy checking.
5638 (debug_spec_status): New function to call from debugger.
5639 (priority): Added code to handle speculation checks.
5640 (rank_for_schedule): Added code to distinguish speculative instructions.
5641 (schedule_insn): Added code to handle speculation checks.
5642 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5643 Fixed to handle ebbs.
5644 (move_insn): Added code to handle ebb scheduling.
5645 (max_issue): Added code to use ISSUE_POINTS of instructions.
5646 (choose_ready): Added code to choose between speculative and
5647 non-speculative instructions.
5648 (schedule_block): Added code to handle ebb scheduling and scheduling of
5649 speculative instructions.
5650 (sched_init): Initialize new variables.
5651 (sched_finish): Free new variables. Print statistics.
5652 (try_ready): Added code to handle speculative instructions.
5653 * lists.c (copy_DEPS_LIST_list): New function.
5654 * sched-deps.c (extend_dependency_caches): New function. Move logic
5655 from create_dependency_caches to here.
5656 (get_dep_weak, ds_merge): Make global.
5657 * genattr.c (main): Code to output prototype for
5658 dfa_clear_single_insn_cache.
5659 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5660 (output_dfa_clean_insn_cache_func): Code to output
5661 dfa_clear_single_insn_cache function.
5662 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5663 n_insns.
5664 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5665 Removed.
5666 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5667 New static variables.
5668 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5669 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5670 struct sched_info.
5671 (ebb_sched_info): Initialize new fields.
5672 (get_block_head_tail): Adjust all uses.
5673 (compute_jump_reg_dependencies): Fixed to use glat_start.
5674 (schedule_ebb): Code to remove unreachable last block.
5675 (schedule_ebbs): Added code to update register live information.
5676 * sched-rgn.c (region_sched_info): Initialize new fields.
5677 (get_block_head_tail): Adjust all uses.
5678 (last_was_jump): Removed. Adjust users.
5679 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5680 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5681 Implement new hooks.
5682 (check_dead_notes1): New static function.
5683 (struct region): New fields: dont_calc_deps, has_real_ebb.
5684 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5685 (BB_TO_BLOCK): Fixed to handle EBBs.
5686 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5687 (ebb_head): New static variable.
5688 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5689 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5690 new fields.
5691 (compute_dom_prob_ps): New assertion.
5692 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5693 global_live_at_start.
5694 (init_ready_list): New assertions.
5695 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5696 (new_ready): Add support for BEGIN_CONTROL speculation.
5697 (schedule_insns): Fixed code that updates register live information
5698 to handle EBBs.
5699 (schedule_region): Fixed to handle EBBs.
5700 (init_regions): Use extend_regions and check_dead_notes1.
5701 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5702 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5703 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5704 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5705 TARGET_SCHED_GEN_CHECK,
5706 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5707 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5708 * doc/invoke.texi (max-sched-insn-conflict-delay,
5709 sched-spec-prob-cutoff): Document.
5711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5713 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5714 inter_tick, queue_index.
5715 (struct sched_info): Change signature of init_ready_list field.
5716 Adjust all initializations.
5717 (RESOLVED_DEPS): New access macro.
5718 (ready_add): Remove prototype.
5719 (try_ready): Add prototype.
5720 * sched-rgn.c (init_ready_list): Use try_ready.
5721 (schedule_region): Initialize
5722 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5723 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5724 (init_ready_list): Use try_ready.
5725 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5726 * lists.c (remove_list_elem): Remove `static'.
5727 (remove_free_INSN_LIST_elem): New function.
5728 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5729 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5730 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5731 New constants.
5732 (readyp): New variable.
5733 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5734 change_queue_index, resolve_dep): New static functions.
5735 (try_ready): New function. Adjust callers in sched-rgn.c and
5736 sched-ebb.c to use it instead of ready_add.
5737 (clock_var): Move at the begining of file.
5738 (rank_for_schedule): Fix typo.
5739 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5740 (ready_lastpos): Enforce assertion.
5741 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5742 update all callers.
5743 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5744 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5745 (queue_to_ready): Use free_INSN_LIST_list.
5746 (early_queue_to_ready): Fix typo.
5747 (schedule_block): Init readyp. Move init_ready_list call after the
5748 initialization of clock_var. Fix error in rejecting insn by
5749 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5750 that previously corrected INSN_TICKs. Add code for handling
5751 QUEUE_INDEX.
5752 (set_priorities): Fix typo.
5753 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5754 Clarify comment and code that keeps current_sched_info->next_tail
5755 non-null.
5757 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5759 * sched-rgn.c (extend_rgns): New static function.
5760 (find_rgns): Use it.
5761 (gather_region_statistics, print_region_statistics): New static
5762 functions.
5763 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5764 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5766 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5767 Andrey Belevantsev <abel@ispras.ru>
5769 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5770 * lists.c (unused_deps_list): New variable.
5771 (free_list): Add assertions to verify the proper distinguishing
5772 between INSN_LISTs and DEPS_LISTs.
5773 (find_list_elem, remove_list_elem, remove_list_node): New static
5774 functions.
5775 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5776 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5777 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5778 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5779 an INSN_LIST.
5780 (free_INSN_LIST_node): Likewise.
5781 * modulo-sched.c (current_sched_info): Initialize flags field.
5782 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5783 * rtl.def (DEPS_LIST): Define.
5784 * rtl.h: Declare new functions from lists.c.
5785 * sched-deps.c (spec_dependency_cache): New static variable.
5786 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5787 (add_dependence): Change return type to void. Move the logic to ...
5788 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5789 (delete_all_dependences): Add comment about forward_dependency_cache.
5790 Handle spec_dependency_cache. Handle DEPS_LISTs.
5791 (fixup_sched_groups): Clarify the change of priority of output
5792 and anti dependencies.
5793 (sched_analyze_2): Adjust add_dependence calls to create data
5794 speculative dependence.
5795 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5796 Adjust all callers. Handle DEPS_LISTS.
5797 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5798 presence of speculation.
5799 (init_dependency_caches, free_dependency_caches):
5800 Handle spec_dependency_cache.
5801 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5802 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5803 New static functions.
5804 (add_or_update_back_dep, add_or_update_back_forw_dep,
5805 add_back_forw_dep, delete_back_forw_dep): New functions.
5806 * sched-int.h (ds_t, dw_t): New typedefs.
5807 (struct sched_info): Add new field flags.
5808 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5809 Prototype new sched-deps.c functions.
5810 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5811 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5812 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5813 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5814 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5815 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5816 New constants.
5817 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5818 New enums.
5819 * sched-rgn.c (current_sched_info): Initialize flags field.
5820 (schedule_insns): Initialize current_sched_info before the sched_init
5821 call.
5822 * sched-ebb.c (current_sched_info): Initialize flags field.
5823 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5824 Call add_or_update_back_dep instead of add_dependence.
5825 Create control speculative dependencies.
5826 (schedule_insns): Initialize current_sched_info before the sched_init
5827 call.
5829 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5831 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5832 fs->signal_frame.
5833 (sh_fallback_frame_state): Likewise.
5835 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5837 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5838 Do switch on default_use_cxa_atexit.
5839 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5840 * config/darwin-crt3.o: New.
5841 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5842 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5843 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5844 OS version.
5845 * config/rs6000/t-darwin: Move crt2.o building to here.
5846 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5847 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5848 of __cxa_atexit.
5850 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5852 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5853 from '! xxx' to '!xxx' for coding-style conformance.
5854 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5855 (EXTRA_CONSTRAINT): Likewise.
5856 * config/vax/vax.md (four unnamed insns): Likewise.
5858 2006-03-15 Paul Brook <paul@codesourcery.com>
5860 * config/arm/arm.c (minipool_pad): New.
5861 (add_minipool_forward_ref): Include pool alignment padding in address
5862 calculation.
5863 (push_minipool_fix): Set minipool_pad.
5864 (minipool_pad): Ditto.
5866 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5868 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5869 instead of GET_CODE() == MEM and REG_P() instead of
5870 GET_CODE() == REG.
5871 (print_operand_address): Likewise.
5872 (vax_address_cost): Likewise.
5873 (vax_rtx_costs): Likewise.
5874 (vax_notice_update_cc): Likewise.
5875 (vax_output_int_add): Likewise.
5876 (INDEX_REGISTER_P): Likewise.
5877 (BASE_REGISTER_P): Likewise.
5878 (nonindexed_address_p): Likewise.
5879 (vax_mode_dependent_address_p): Likewise.
5880 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5881 (PRINT_OPERAND): Likewise.
5882 * config/vax/vax.md (ashlsi3): Likewise.
5883 (ashlsi3): Likewise.
5884 (some more unnamed insns): Likewise.
5886 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5888 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5889 iterator-style macro.
5890 (mark_control_dependent_edges_necessary): Update the use of
5891 EXECUTE_IF_CONTROL_DEPENDENT.
5893 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5895 * config/sh/predicates.md (cache_address_operand): Special.
5896 (ua_address_operand): Likewise.
5898 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5900 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5901 loop notes.
5902 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5904 2006-03-15 Andreas Schwab <schwab@suse.de>
5906 * gensupport.c (identify_predicable_attribute): Don't free p_false
5907 when it is still in use.
5909 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5911 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5912 the default setting here.
5914 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5916 * tree-pass.h (pass_cfg): Remove.
5917 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5918 * passes.c (pass_cfg): Don't run it.
5920 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5922 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5923 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5924 VEC(char,heap) *.
5925 (stack_regs_mentioned): Update the uses of
5926 stack_regs_mentioned_data. Don't access the array beyond its
5927 end.
5928 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5929 Don't include gt-reg-stack.h.
5931 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5932 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5934 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5936 PR middle-end/26684
5937 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5938 STACK_REGS.
5940 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5942 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5944 2006-03-14 Richard Guenther <rguenther@suse.de>
5946 PR tree-optimization/26672
5947 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5948 SSA form.
5950 2006-03-14 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/26667
5953 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5954 node for the callees. Always allow inlining if it will shrink
5955 the function size.
5957 2006-03-14 Richard Guenther <rguenther@suse.de>
5959 PR middle-end/26659
5960 * builtins.c (get_pointer_alignment): Prefer alignment
5961 information from decls over that from types.
5963 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5965 PR target/26657
5966 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5968 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5970 * config/rs6000/rs6000.opt (mdlmzb): New option.
5971 (msched-prolog, msched-epilog): Use Var not Mask.
5972 * doc/invoke.texi (-mdlmzb): Document.
5973 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5974 MASK_SCHED_PROLOG.
5975 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5976 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5978 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5980 PR rtl-optimization/25739
5981 * bt-load.c (augment_live_range): Free tos pointer.
5983 * gensupport.c (identify_predicable_attribute): Free
5984 p_false pointer.
5985 * gcov.c (create_file_names): Free name pointer.
5987 2006-03-13 Roger Sayle <roger@eyesopen.com>
5989 PR middle-end/26557
5990 * stmt.c (emit_case_nodes): Handle the case where the index is a
5991 CONST_INT, where the comparison mode is specified by the index type.
5993 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5995 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5996 is defined.
5998 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6000 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6001 (*branch_fp_inverted): Likewise.
6003 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6005 PR middle-end/25989
6006 * omp-low.c (expand_omp_for_generic): Mark istart0
6007 and iend0 as addressable.
6009 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6011 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6013 2006-03-13 Jeff Law <law@redhat.com>
6015 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6016 virtual operands are interesting.
6017 (vrp_visit_stmt): Corresponding changes.
6019 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6021 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6022 of RETS.
6023 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6024 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6025 * config/bfin/crti.S: Use it instead of __PIC__.
6026 * config/bfin/crtn.S: Likewise.
6028 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6029 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6030 not if flag_pic.
6031 Lose 'G' modifier for call operand.
6032 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6033 recognize 'G' modifier.
6035 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6037 PR middle-end/18859
6038 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6039 * stmt.c (expand_case): Likewise.
6041 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6043 PR rtl-optimization/26254
6044 * loop-invariant.c (seq_insns_valid_p): New function.
6045 (move_invariant_reg): Only emit new code if it is valid.
6047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6049 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6050 Removed.
6051 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6052 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6053 (commit_one_edge_insertion): Do not look for loop notes.
6055 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6057 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6058 flag_test_coverage out of loop.
6060 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6062 * final.c (shorten_branches): Remove outdated comment, and turn
6063 the if branch that guards it to continue.
6065 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6067 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6068 * cfgloop.h (struct loop): Remove unused fields.
6070 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6072 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6073 (-dL, -fdump-rtl-loop2): Update the dump file names
6075 * doc/invoke.texi: Update dump file names.
6077 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6079 * predict.c (estimate_probability): Remove.
6080 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6081 * basic-block.h (estimate_probability): Remove prototype.
6082 * passes.c (finish_optimization_passes): Dump branch prediction or
6083 profiling heuristics to the .profile tree dump.
6084 (init_optimization_passes): Unqueue pass_branch_prob.
6086 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6088 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6090 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6091 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6093 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6095 * function.h (frame_offset_overflow): Declare.
6096 * function.c (frame_offset_overflow): New function.
6097 (assign_stack_local_1): Call it to detect that the offset overflows.
6098 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6100 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6102 * config/sh/sh.c: Include alloc-pool.h.
6103 (label_ref_list_pool): New alloc pool.
6104 (label_ref_list_t): New type for lists of labels.
6105 (struct pool_node): Make wend a label_ref_list_t.
6106 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6107 references.
6108 (dump_table): Likewise.
6109 (sh_reorg): Set up the alloc pool before using add_constant and
6110 dump_table, and destroy it when finishing.
6112 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6114 * config/mips/mips.c: Remove redundant comment.
6116 2006-03-10 Jason Merrill <jason@redhat.com>
6118 PR c/26004
6119 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6120 the target was declared 'register'.
6122 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6124 * genpreds.c (write_insn_constraint_len): Change definition of
6125 insn_constraint_len to return size_t to match the declaration.
6127 2006-03-10 DJ Delorie <dj@redhat.com>
6129 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6130 start at zero.
6131 (m32c_expand_insv): Fix test for an AND mask.
6133 2006-03-10 Richard Guenther <rguenther@suse.de>
6135 PR middle-end/26565
6136 * builtins.c (get_pointer_alignment): Handle component
6137 references for field alignment.
6139 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6141 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6142 when building with libgloss.
6143 (sh*elf): Implement --without-fp option.
6144 (sh64-superh-linux*): Don't multilib.
6146 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6148 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6150 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6152 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6153 Set it when one of the replacement functions returned true.
6154 Return TODO_cleanup_cfg if cfgchanged is true.
6155 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6157 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6159 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6160 instead of gen_lowpart.
6162 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6164 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6165 interface.
6166 (mips_output_order_conditional_branch): Declare.
6167 * config/mips/mips.h (MIPS_BRANCH): New macro.
6168 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6169 for the comparison. Use gen_condjump.
6170 (mips_output_conditional_branch): Rework interface to take the
6171 asm templates for a direct branch and the inverse of a direct branch.
6172 (mips_output_order_conditional_branch): New function.
6173 (mips_builtin_branch_and_move): New function.
6174 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6175 branch condition. Use gen_single_cc as the condition for
6176 __builtin_mips_upper_* or __builtin_mips_lower_*.
6177 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6178 Use VOIDmode for the branch condition.
6179 * config/mips/predicates.md (order_operator): New predicate.
6180 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6181 (branch_fp): Rename to...
6182 (*branch_fp): ...this. Remove mode from comparison operator.
6183 Use new mips_output_conditional_branch interface.
6184 (branch_fp_inverted): Rename to...
6185 (*branch_fp_inverted): ...this and update as for *branch_fp.
6186 (*branch_zero<mode>): Rename to...
6187 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6188 Use mips_output_order_conditional_branch. Only accept ordered
6189 comparisons.
6190 (*branch_zero<mode>_inverted): Rename to...
6191 (*branch_order<mode>_inverted): ...this and update as for
6192 *branch_order<mode>.
6193 (*branch_equality<mode>): Accept zero as the second operand to
6194 the equality operator. Use the new mips_output_conditional_branch
6195 interface.
6196 (*branch_equality<mode>_inverted): Likewise.
6197 (condjump): New expander.
6198 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6199 operator.
6200 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6201 (bc1any2t, bc1any2f): Likewise.
6202 (single_cc): New expander.
6203 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6205 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6207 * doc/md.texi: Update documentation of MIPS constraints.
6208 * config/mips/constraints.md: New file.
6209 * config/mips/mips.md: Include it.
6210 * config/mips/mips.c (mips_char_to_class): Delete.
6211 (override_options): Don't initialize mips_char_to_class.
6212 * config/mips/mips.h (mips_char_to_class): Delete.
6213 (REG_CLASS_FROM_LETTER): Delete.
6214 (CONST_OK_FOR_LETTER_P): Delete.
6215 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6216 (EXTRA_CONSTRAINT_Y): Delete.
6217 (EXTRA_CONSTRAINT_STR): Delete.
6218 (CONSTRAINT_LEN): Delete.
6219 (EXTRA_MEMORY_CONSTRAINT): Delete.
6221 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6223 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6224 original fn's eh regions.
6226 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6228 * fold-const.c (build_range_check): Make sure to use a valid type to
6229 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6230 transformation.
6232 (range_predecessor): New static function.
6233 (range_successor): Likewise.
6234 (merge_ranges): Use them to compute predecessors and successors of
6235 range bounds.
6237 2006-03-09 Roger Sayle <roger@eyesopen.com>
6239 PR middle-end/26561
6240 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6241 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6243 2006-03-08 DJ Delorie <dj@redhat.com>
6245 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6246 (addpsi3): Expand to include memory operands. Remove
6247 reload-specific splits.
6248 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6249 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6250 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6251 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6252 (shift1_qi, shift1_hi, insv): New.
6253 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6254 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6255 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6256 cond_to_int): New.
6257 * config/m32c/m32c-protos.h: Update as needed.
6258 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6259 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6260 Fail for unrecognized R* constraints.
6261 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6262 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6263 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6264 Add Sp constraint.
6265 (m32c_init_libfuncs): New.
6266 (m32c_legitimate_address_p): Add debug wrapper.
6267 (m32c_rtx_costs): New.
6268 (m32c_address_cost): New.
6269 (conversions): Add 'B' prefix.
6270 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6271 operands, or word regnames for QI operands. 'B' prints bit
6272 position.
6273 (m32c_expand_setmemhi): New.
6274 (m32c_expand_movmemhi): New.
6275 (m32c_expand_movstr): New.
6276 (m32c_expand_cmpstr): New.
6277 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6278 (m32c_expand_neg_mulpsi3): Handle non-ints.
6279 (m32c_cmp_flg_0): New.
6280 (m32c_expand_movcc): New.
6281 (m32c_expand_insv): New.
6282 (m32c_scc_pattern): New.
6283 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6284 a0/a1 out of SIregs.
6285 (STORE_FLAG_VALUE): New.
6286 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6287 code macros.
6288 (no_insn): New.
6289 * config/m32c/mov.md: Make constraints more liberal.
6290 (zero_extendqihi2): Optimize r0/r1 case.
6291 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6292 * config/m32c/predicates.md (m32c_any_operand): New.
6293 (m32c_nonimmediate_operand): New.
6294 (m32c_hl_operand): New.
6295 (m32c_r3_operand): New.
6296 (ap_operand): New.
6297 (ma_operand): New.
6298 (memsym_operand): New.
6299 (memimmed_operand): New.
6300 (a_qi_operand): New.
6301 (m32c_eqne_operator): New.
6302 (m32c_1bit8_operand): New.
6303 (m32c_1bit16_operand): New.
6304 (m32c_1mask8_operand): New.
6305 (m32c_1mask16_operand): New.
6306 * config/m32c/blkmov.md: New file.
6307 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6309 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6311 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6312 unsigned to fix signed/unsigned comparison issue in
6313 DWARF2_FRAME_REG_OUT.
6314 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6315 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6317 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6318 of ptr into the ENABLE_CHECKING section.
6320 2006-03-08 Jeff Law <law@redhat.com>
6322 * tree-vrp.c (infer_value_range): Only count pointer uses
6323 and dereferences if -fdelete-null-pointer-checks is enabled.
6325 * tree-vrp.c (find_assert_locations): Infer value ranges for
6326 single use pointers, but do not create ASSERT_EXPRs for them.
6327 When a non-null range is inferred for a pointer, backwards
6328 propagate that range to other equivalent pointers through the
6329 use-def chain.
6331 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6333 PR bootstrap/26500
6334 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6335 language hook targets.
6336 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6337 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6338 if language hook targets were missing.
6340 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6342 * tree-ssa-opfinalize.h: Removed.
6343 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6344 dependency.
6345 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6346 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6347 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6348 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6349 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6350 finalize_ssa_v_must_def_ops): New.
6352 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6354 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6355 block as parameter.
6357 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6359 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6361 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6362 addresses with offsets; reorganize.
6364 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6365 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6366 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6368 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6370 PR target/26588
6371 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6373 2006-03-08 Ben Elliston <bje@au.ibm.com>
6375 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6377 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6379 PR gomp/26238
6380 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6381 expansion.
6383 2006-03-07 Richard Guenther <rguenther@suse.de>
6385 PR tree-optimization/26587
6386 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6388 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6390 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6392 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6394 * hooks.c (hook_bool_mode_rtx_true): New function.
6395 * hooks.h (hook_bool_mode_rtx_true): Declare.
6396 * toplev.c (compile_file): Call output_shared_constant_pool.
6397 * varasm.c (shared_constant_pool): New variable.
6398 (assemble_start_function, assemble_end_function): Remove arguments
6399 from call to output_constant_pool.
6400 (create_constant_pool): New function, split out from...
6401 (init_varasm_status): ...here.
6402 (force_const_mem): Choose between the shared and per-function constant
6403 pools. Set current_function_uses_const_pool when reusing old entries
6404 as well as when creating new ones.
6405 (mark_constant): Ignore data argument.
6406 (mark_constants): Remove pool argument.
6407 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6408 to decide whether the function uses a constant pool.
6409 (output_constant_pool_contents): New function, split out from...
6410 (output_constant_pool): ...here.
6411 (output_shared_constant_pool): New function.
6412 (init_varasm_once): Initialize shared_constant_pool.
6413 * output.h (output_constant_pool): Delete.
6414 (output_shared_constant_pool): Declare.
6415 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6416 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6418 2006-03-06 Nick Clifton <nickc@redhat.com>
6420 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6421 flag_strength_reduce.
6423 2006-03-06 Ben Elliston <bje@au.ibm.com>
6425 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6426 x86_64-*-linux* configurations.
6428 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6429 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6431 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6433 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6434 Remove.
6435 * basic-block.h: Remove the extern for
6436 rediscover_loops_after_threading.
6438 * cfgloop.c (cancel_loop): Make it static.
6439 * cfgloop.h: Remove the prototype for cancel_loop.
6441 * flow.c (recompute_reg_usage): Make it static.
6442 * rtl.h: Remove the prototype for recompute_reg_usage.
6444 * function.c (use_return_register): Make it static.
6445 * function.h: Remove the prototype.
6447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6449 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6450 Remove.
6451 * recog.h: Remove the prototype for
6452 validate_change_maybe_volatile.
6454 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6456 * rtlanal.c (replace_reg): Remove.
6457 * rtl.h: Remove the prototype for replace_reg.
6459 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6461 * regclass.c (reg_scan_update): Remove.
6462 (reg_scan_mark_refs): Remove the last argument.
6463 * rtl.h: Remove the prototype for reg_scan_update.
6465 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6467 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6468 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6469 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6470 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6471 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6472 loop-invariant.c, omp-low.c, opts.c, passes.c,
6473 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6474 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6475 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6476 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6477 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6478 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6480 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6482 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6483 * dwarf2out.h: Remove the prototype for
6484 dwarf2out_add_library_unit_info.
6486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6488 * tree.c (add_var_to_bind_expr): Remove.
6489 * tree.h: Remove the prototype for add_var_to_bind_expr.
6491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6493 * regclass.c (n_non_fixed_regs): Remove.
6494 (init_reg_sets_1, globalize_reg): Remove all uses of
6495 n_non_fixed_regs.
6496 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6498 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6500 * rtlanal.c (insns_safe_to_move_p): Remove.
6501 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6503 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6505 * expmed.c (expand_mult_add): Remove.
6506 * expr.h: Remove the prototype for expand_mult_add.
6508 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6510 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6511 and REG_SAVED_VAL_EXP constants.
6512 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6513 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6514 Handle regs stored by value.
6515 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6516 (execute_cfa_program): Handle DW_CFA_val_offset,
6517 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6518 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6519 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6520 (uw_install_context_1): Handle target regs stored by value.
6522 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6524 * tree-sra.c (tree_sra): Return todoflags;
6525 (generate_one_element): Set TODO_update_smt_usage if needed.
6526 (pass_sra): Remove TODO_update_smt_usage.
6527 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6528 parameter.
6529 (tree_ssa_forward_propagate_single_use_vars): Return
6530 TODO_update_smt_usage if we need to update SMT usage.
6531 (pass_forwprop): Remove TODO_update_smt_usage.
6533 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6535 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6536 (correct_use_link): Remove reference to get_stmt_operands.
6537 (update_stmt_operands): Likewise.
6538 (get_modify_expr_operands): New function factored out of
6539 parse_ssa_operands and get_expr_operands.
6540 Try to create V_MUST_DEFs for LHS by default.
6541 (get_expr_operands) <case MODIFY_EXPR>: Call
6542 get_modify_expr_operands.
6543 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6544 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6545 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6546 get_modify_expr_operands.
6548 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6550 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6551 * tree-flow.h: Remove the prototype for
6552 referenced_var_lookup_if_exists.
6554 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6556 PR rtl-optimization/26345
6557 PR target/19061
6558 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6560 2006-03-03 Roger Sayle <roger@eyesopen.com>
6562 PR tree-optimization/26524
6563 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6564 fold_convert to create a constant of the appropriate type.
6566 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6568 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6569 SYMBOL_REF_IN_BLOCK_P.
6570 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6571 of SYMBOL_FLAG_IN_BLOCK.
6572 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6573 instead of SYMBOL_REF_IN_BLOCK_P.
6574 * explow.c (use_anchored_address): Likewise.
6575 * rtl.c (rtx_size): Likewise.
6576 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6577 instead of SYMBOL_FLAG_IN_BLOCK.
6578 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6579 SYMBOL_REF_IN_BLOCK_P.
6580 (assemble_variable): Likewise.
6581 (output_constant_def_contents): Likewise.
6582 (output_constant_pool): Likewise.
6583 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6584 instead of SYMBOL_FLAG_IN_BLOCK.
6585 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6586 SYMBOL_REF_IN_BLOCK_P.
6587 (SYMBOL_REF_BLOCK): Likewise.
6588 (SYMBOL_REF_OFFSET): Likewise.
6589 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6590 SYMBOL_REF_IN_BLOCK_P.
6591 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6592 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6593 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6594 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6596 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6598 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6600 2006-03-02 Roger Sayle <roger@eyesopen.com>
6602 * simplify-rtx.c (simplify_unary_operation): When simplifying
6603 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6604 that we perform the right shift in the appropriate mode, and
6605 then extend or truncate the result to requested mode.
6607 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6609 * gengtype.c (main): Handle double_int type.
6610 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6611 * double-int.c: New file.
6612 * double-int.h: New file.
6613 * system.h: Include doubleint.h.
6614 * Makefile.in (SYSTEM_H): Include double-int.h.
6615 (double-int.o): Add.
6617 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6619 PR bootstrap/26478
6620 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6621 copying over it.
6623 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6625 * tree-vrp.c (remove_range_assertions): Do not update statements
6626 unnecessarily.
6628 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6630 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6631 cleanup.
6632 * gcse.c (rest_of_handle_gcse): Ditto.
6633 * except.c (gate_handle_eh): Ditto.
6634 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6635 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6637 2006-03-02 Eric Christopher <echristo@apple.com>
6639 * config/i386/i386.c (machopic_output_stub): Add indirection to
6640 jump.
6642 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6644 * loop.c: Removed.
6646 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6648 Sun Niagara specific optimizations.
6649 * config.gcc: Recognize niagara as target.
6650 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6651 (TARGET_CPU_niagara): Define.
6652 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6653 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6654 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6655 (ASM_CPU_SPEC): Likewise.
6656 (PROCESSOR_NIAGARA): New enum entry.
6657 (REGISTER_MOVE_COST): Handle Niagara.
6658 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6659 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6660 (sparc_override_options): Recognize "niagara", set appropriate
6661 default MASK_* values for it, and align functions to 32-bytes
6662 by default just like ULTRASPARC/ULTRASPARC3.
6663 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6664 (sparc64_initialize_trampoline): Likewise.
6665 (sparc_use_sched_lookahead): Use zero for niagara.
6666 (sparc_issue_rate): Use one for niagara.
6667 * config/sparc/niagara.md: New file.
6668 * config/sparc/sparc.md: Include it.
6669 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6670 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6671 when default cpu is niagara.
6672 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6673 (ASM_CPU_SPEC): Likewise.
6674 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6675 when default cpu is niagara.
6676 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6677 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6678 just like v9/ultrasparc/ultrasparc3.
6679 * doc/invoke.texi: Add documentation for "niagara" and improve
6680 existing documentation for ultrasparc variants.
6682 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6684 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6686 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6688 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6689 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6690 and say that only one is needed.
6691 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6692 * target.h (have_switchable_bss_sections): New hook.
6693 * explow.c (use_anchored_address): Check that the symbol is in a block.
6694 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6695 (bss_noswitch_section): New variables.
6696 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6697 (get_noswitch_section): New function.
6698 (get_block_for_section): Allow SECT to be null.
6699 (unlikely_text_section_p): Use SECTION_STYLE.
6700 (bss_initializer_p): New function.
6701 (get_variable_section): Move earlier in file. Take a new argument,
6702 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6703 Return one of the new *_sections in such cases.
6704 (get_block_for_decl): New function, extracting some logic from
6705 use_blocks_for_decl_p.
6706 (change_symbol_section): Remove in favor of...
6707 (change_symbol_block): ...this new function.
6708 (use_blocks_for_decl_p): Remove checks now performed by
6709 get_block_for_decl.
6710 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6711 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6712 (emit_local, emit_bss, emit_common): ...these new functions.
6713 Return true if the alignment was honored.
6714 (emit_tls_common): New function.
6715 (asm_emit_uninitialised): Delete.
6716 (assemble_variable_noswitch): New function, split out from...
6717 (assemble_variable): ...here. Don't make decisions about common
6718 variables here. Globalize all public decls that go into non-common
6719 sections. Check whether SYMBOL_REF_BLOCK is null.
6720 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6721 (output_constant_pool): Likewise.
6722 (init_varasm_once): Initialize the new section variables.
6723 (have_global_bss_p): New function.
6724 (categorize_decl_for_section): Use bss_initializer_p.
6725 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6726 (place_block_symbol): Assert that the symbol must be in a block.
6727 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6728 (TARGET_INITIALIZER): Include it.
6729 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6730 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6731 (SECTION_MACH_DEP): Bump by two.
6732 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6733 (unnamed_section): Mention SECTION_UNNAMED in comment.
6734 (named_section): Likewise SECTION_NAMED.
6735 (noswitch_section_callback): New type.
6736 (noswitch_section): New structure.
6737 (section): Add a noswitch_section alternative.
6738 (SECTION_STYLE): New macro.
6739 (tls_comm_section, comm_section, lcomm_section): Declare.
6740 (bss_noswitch_section, have_global_bss_p): Declare.
6741 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6742 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6743 Override.
6744 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6745 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6746 Override.
6748 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6750 * tree-vrp.c (execute_vrp): Return value.
6751 * regrename.c (rest_of_handle_regrename): Ditto.
6752 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6753 * tree-complex.c (tree_lower_complex): Ditto.
6754 (tree_lower_complex_O0): Ditto.
6755 * tracer.c (rest_of_handle_tracer): Ditto.
6756 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6757 * postreload.c (rest_of_handle_postreload): Ditto.
6758 * tree-tailcall.c (execute_tail_recursion): Ditto.
6759 (execute_tail_calls): Ditto.
6760 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6761 * tree.h (init_function_for_compilation): Ditto.
6762 * ipa-cp.c (ipcp_driver): Ditto.
6763 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6764 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6765 * final.c (compute_alignments): Ditto.
6766 (rest_of_handle_final): Ditto.
6767 (rest_of_handle_shorten_branches): Ditto.
6768 (rest_of_clean_state): Ditto.
6769 * omp-low.c (execute_expand_omp): Ditto.
6770 (execute_lower_omp): Ditto.
6771 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6772 * ipa-reference.c (static_execute): Ditto.
6773 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6774 * reorg.c (rest_of_handle_delay_slots): Ditto.
6775 (rest_of_handle_machine_reorg): Ditto.
6776 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6777 * flow.c (recompute_reg_usage): Ditto.
6778 (rest_of_handle_remove_death_notes): Ditto.
6779 (rest_of_handle_life): Ditto.
6780 (rest_of_handle_flow2): Ditto.
6781 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6782 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6783 (do_ssa_store_ccp): Ditto.
6784 (execute_fold_all_builtins): Ditto.
6785 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6786 * modulo-sched.c (rest_of_handle_sms): Ditto.
6787 * ipa-pure-const.c (static_execute): Ditto.
6788 * cse.c (rest_of_handle_cse): Ditto.
6789 (rest_of_handle_cse2): Ditto.
6790 * web.c (rest_of_handle_web): Ditto.
6791 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6792 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6793 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6794 * tree-nrv.c (tree_nrv): Ditto.
6795 (execute_return_slot_opt): Ditto.
6796 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6797 (create_structure_vars): Ditto.
6798 * loop-init.c (rtl_loop_init): Ditto.
6799 (rtl_loop_done): Ditto.
6800 (rtl_move_loop_invariants): Ditto.
6801 (rtl_unswitch): Ditto.
6802 (rtl_unroll_and_peel_loops): Ditto.
6803 (rtl_doloop): Ditto.
6804 * gimple-low.c (lower_function_body): Ditto.
6805 (mark_used_blocks): Ditto.
6806 * tree-ssa-sink.c (execute_sink_code): Ditto.
6807 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6808 (cgraph_early_inlining): Ditto.
6809 * global.c (rest_of_handle_global_alloc): Ditto.
6810 * jump.c (cleanup_barriers): Ditto.
6811 (purge_line_number_notes): Ditto.
6812 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6813 (rest_of_handle_if_after_reload): Ditto.
6814 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6815 (tree_ssa_loop_im): Ditto.
6816 (tree_ssa_loop_unswitch): Ditto.
6817 (tree_vectorize): Ditto.
6818 (tree_linear_transform): Ditto.
6819 (tree_ssa_loop_ivcanon): Ditto.
6820 (tree_ssa_empty_loop): Ditto.
6821 (tree_ssa_loop_bounds): Ditto.
6822 (tree_complete_unroll): Ditto.
6823 (tree_ssa_loop_prefetch): Ditto.
6824 (tree_ssa_loop_ivopts): Ditto.
6825 (tree_ssa_loop_done): Ditto.
6826 * predict.c (tree_estimate_probability): Ditto.
6827 * recog.c (split_all_insns_noflow): Ditto.
6828 (rest_of_handle_peephole2): Ditto.
6829 (rest_of_handle_split_all_insns): Ditto.
6830 * tree-eh.c (lower_eh_constructs): Ditto.
6831 * regmove.c (rest_of_handle_regmove): Ditto.
6832 (rest_of_handle_stack_adjustments): Ditto.
6833 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6834 * function.c (instantiate_virtual_regs): Ditto.
6835 (init_function_for_compilation): Ditto.
6836 (rest_of_handle_check_leaf_regs): Ditto.
6837 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6838 (rest_of_handle_gcse): Ditto.
6839 * ipa-type-escape.c (type_escape_execute): Ditto.
6840 * alias.c (rest_of_handle_cfg): Ditto.
6841 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6842 * profile.c (rest_of_handle_branch_prob): Ditto.
6843 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6844 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6845 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6846 * tree-dfa.c (find_referenced_vars): Ditto.
6847 * except.c (set_nothrow_function_flags): Ditto.
6848 (convert_to_eh_region_ranges): Ditto.
6849 (rest_of_handle_eh): Ditto.
6850 * emit-rtl.c (unshare_all_rtl): Ditto.
6851 (remove_unnecessary_notes): Ditto.
6852 * except.h (set_nothrow_function_flags): Ditto.
6853 (convert_to_eh_region_ranges): Ditto.
6854 * cfgexpand.c (tree_expand_cfg): Ditto.
6855 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6856 * tree-ssa-pre.c (do_pre): Ditto.
6857 (execute_fre): Ditto.
6858 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6859 (rest_of_handle_jump2): Ditto.
6860 * tree-sra.c (tree_sra): Ditto.
6861 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6862 (execute_mudflap_function_decls): Ditto.
6863 * tree-ssa-copy.c (do_copy_prop): Ditto.
6864 (do_store_copy_prop): Ditto.
6865 * ipa-prop.h (ipcp_driver): Ditto.
6866 * cfglayout.c (insn_locators_initialize): Ditto.
6867 * tree-ssa-forwprop.c
6868 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6869 * cfglayout.h (insn_locators_initialize): Ditto.
6870 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6871 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6872 (execute_late_warn_uninitialized): Ditto.
6873 * rtl.h (cleanup_barriers): Ditto.
6874 (split_all_insns_noflow): Ditto.
6875 (purge_line_number_notes): Ditto.
6876 (unshare_all_rtl): Ditto.
6877 (remove_unnecessary_notes): Ditto.
6878 (recompute_reg_usage): Ditto.
6879 (variable_tracking_main): Ditto.
6880 * integrate.c (emit_initial_value_sets): Ditto.
6881 * integrate.h (emit_initial_value_sets): Ditto.
6882 * tree-optimize.c (execute_free_datastructures): Ditto
6883 (execute_free_cfg_annotations): Ditto.
6884 (execute_fixup_cfg): Ditto.
6885 (execute_cleanup_cfg_pre_ipa): Ditto.
6886 (execute_cleanup_cfg_post_optimizing): Ditto.
6887 (execute_init_datastructures): Ditto.
6888 * tree-object-size.c (compute_object_sizes): Ditto.
6889 * combine.c (rest_of_handle_combine): Ditto.
6890 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6891 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6892 (rest_of_handle_reorder_blocks): Ditto.
6893 (rest_of_handle_partition_blocks): Ditto.
6894 * var-tracking.c (variable_tracking_main): Ditto.
6895 * tree-profile.c (tree_profiling): Ditto.
6896 * tree-vect-generic.c (expand_vector_operations): Ditto.
6897 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6898 * sched-rgn.c (rest_of_handle_sched): Ditto.
6899 (rest_of_handle_sched2): Ditto.
6900 * basic-block.h (free_bb_insn): Ditto.
6901 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6902 * tree-cfg.c (execute_build_cfg): Ditto.
6903 (remove_useless_stmts): Ditto.
6904 (split_critical_edges): Ditto.
6905 (execute_warn_function_return): Ditto.
6906 (execute_warn_function_noreturn): Ditto.
6907 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6908 * cfgrtl.c (free_bb_for_insn): Ditto.
6909 * passes.c (execute_one_pass): Run additional
6910 todos returned by execute function.
6911 * tree-pass.h (struct tree_opt_pass): Make execute
6912 return a value.
6914 2006-03-02 Richard Guenther <rguenther@suse.de>
6916 * tree-ssa-alias.c (find_used_portions): Consider taking
6917 the address as making the variable not write-only.
6919 2006-03-02 Nick Clifton <nickc@redhat.com>
6921 * config.gcc (default_use_cxa_atexit): Extend the description of
6922 this configure variable. Set its default value to "yes" for
6923 Linux, NetBSD and ELF targets on the assumption that they will
6924 use C libraries with the __cxa_atexit function.
6926 2006-03-02 Ben Elliston <bje@au.ibm.com>
6928 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6929 parameter as unused to suppress a build warning.
6931 2006-03-02 Ben Elliston <bje@au.ibm.com>
6933 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6934 config/dfp-bit.c.
6936 2006-03-01 Roger Sayle <roger@eyesopen.com>
6938 PR other/26489
6939 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6940 declared name, the weak reference name, and the typeof name.
6941 (__gthrw): Avoid expanding the declared name suffix.
6942 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6944 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6946 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6947 from DWARF 3.
6948 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6949 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6950 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6951 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6952 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6953 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6954 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6955 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6956 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6957 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6958 (DW_END_default, DW_END_big, DW_END_little): New.
6959 (DW_END_lo_user, DW_END_hi_user): Define.
6960 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6961 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6962 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6963 DW_LANG_D): New.
6965 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6967 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6968 Update all users.
6969 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6970 Update all users.
6971 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6972 Update all users.
6973 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6974 Update all users.
6975 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6976 to 'symbol_mem_tag'.
6977 Update all users.
6978 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6979 rename.
6981 2006-03-01 Roger Sayle <roger@eyesopen.com>
6983 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6985 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6987 PR target/25761
6988 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6989 MACHO_DYNAMIC_NO_PIC_P.
6990 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6992 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6994 PR target/26389
6995 * config/darwin-protos.h (darwin_asm_output_anchor):
6996 Declare.
6997 * config/darwin-sections.def (cstring_section):
6998 Add SECTION_MERGE to the flags.
6999 (literal4_section): Likewise.
7000 (literal8_section): Likewise.
7001 (objc_selector_refs_section): Likewise.
7002 (objc_cls_refs_section): Likewise.
7003 * config/darwin.c (darwin_asm_output_anchor): New
7004 function.
7005 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7007 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7009 Fix PR tree-optimization/26443
7010 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7011 to todo and PROP_tmt_usage to properties_destroyed.
7012 * tree-ssa-ccp.c (pass_ccp): Ditto.
7013 (pass_store_ccp): Ditto.
7014 * tree-ssa-dom.c (pass_dominator): Ditto.
7016 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7018 * tree-ssa-operands.c: Cleanup whitespace.
7019 (get_asm_expr_operands): Move before first invocation.
7020 (get_indirect_ref_operands): Likewise.
7021 (get_tmr_operands): Likewise.
7022 (get_call_expr_operands): Likewise.
7023 (append_def): Likewise.
7024 (append_use): Likewise.
7025 (append_v_may_def): Likewise.
7026 (append_v_must_def): Likewise.
7027 (add_call_clobber_ops): Likewise.
7028 (add_call_read_ops): Likewise.
7029 (add_stmt_operand): Likewise.
7030 (add_virtual_operand): Likewise.
7031 (build_ssa_operands): Likewise.
7033 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7035 PR middle-end/26022
7036 Revert:
7037 PR middle-end/24437
7038 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7039 with a call expr to ...
7040 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7042 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7044 * tree-vrp.c (extract_range_from_assert): Remove special
7045 handling for types with super-types.
7047 2006-03-01 Ben Elliston <bje@au.ibm.com>
7049 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7050 and powerpc64-*-linux* configurations.
7051 * config/t-dfprules: New file.
7053 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7054 Compile dfp-bit.c from the source directory using -DWIDTH and
7055 $DFP_CFLAGS to control the compilation of that file, rather than
7056 generating width-specific versions in the build directory.
7057 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7058 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7060 2006-02-28 Zack Weinberg <zackw@panix.com>
7062 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7063 continues to work.
7065 2006-02-28 Eric Christopher <echristo@apple.com>
7067 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7068 Set up IN_LIBGCC definition of TARGET_64BIT.
7069 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7071 2006-02-28 Roger Sayle <roger@eyesopen.com>
7073 PR middle-end/14752
7074 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7075 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7076 cases via the construction of "expr != 0".
7078 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7080 * alias.c (alias_invariant, alias_invariant_size): Remove.
7081 (record_base_value): Remove.
7082 (memrefs_conflict_p): Don't look at alias_invariant.
7083 (end_alias_analysis): Don't free it.
7084 * alias.h (record_base_value): Remove prototype.
7086 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7087 Adam Nemet <anemet@caviumnetworks.com>
7089 * rtl.h (truncated_to_mode): Declare it.
7090 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7091 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7092 (RTL_HOOKS_INITIALIZER): Include it.
7093 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7094 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7095 reg_truncated_to_mode.
7096 * rtlanal.c (truncated_to_mode): Define it.
7097 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7099 2006-02-28 Jeff Law <law@redhat.com>
7101 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7102 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7103 the range allowed by TYPE_PRECISION.
7105 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7107 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7109 PR tree-optimization/26419
7110 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7111 values of n.
7113 2006-02-27 Zack Weinberg <zackw@panix.com>
7115 * doc/md.texi: Fix typo in previous change.
7117 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7119 * df.c: Remove.
7121 2006-02-27 Zack Weinberg <zackw@panix.com>
7123 * rtl.def (define_constraint, define_register_constraint)
7124 (define_memory_constraint, define_address_constraint): New MD forms.
7125 * gensupport.c (process_rtx): Put define_constraint etc on the
7126 predicate queue.
7127 * genpreds.c (process_define_predicate): Adjust comment. Validate
7128 the name, and call validate_exp to validate the expression.
7129 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7130 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7131 all callers changed.
7132 (validate_exp, needs_variable, struct constraint_data)
7133 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7134 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7135 (const_dbl_constraints, constraint_max_namelen)
7136 (have_register_constraints, have_memory_constraints)
7137 (have_address_constraints, have_address_constraints)
7138 (have_extra_constraints, have_const_int_constraints)
7139 (have_const_dbl_constraints, mangle, add_constraint)
7140 (process_define_constraint, process_define_register_constraint)
7141 (write_enum_constraint_num, write_lookup_constraint)
7142 (write_insn_constraint_len, write_regclass_for_constraint)
7143 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7144 (write_insn_extra_memory_constraint)
7145 (write_insn_extra_address_constraint)
7146 (write_satisfies_constraint_fns): New.
7147 (write_tm_preds_h): If we have new-style constraint definitions,
7148 prototype the functions generated from them, and define the
7149 old constraint interface (still used by generic code) in terms of
7150 those functions.
7151 (write_insn_preds_c): If we have new-style constraint definitions,
7152 generate all relevant functions from those definitions.
7153 (main): Handle define_constraint etc.
7154 * genoutput.c (struct constraint_data, indep_constraints)
7155 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7156 (mdep_constraint_len): New data structures and functions, defined
7157 #ifdef USE_MD_CONSTRAINTS.
7158 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7159 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7160 use new logic to validate operand constraints against constraint
7161 definitions.
7162 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7163 defined.
7164 * defaults.h: If none of the old-style constraint macros are
7165 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7166 old-style macros; and poison REG_CLASS_FROM_LETTER,
7167 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7168 EXTRA_CONSTRAINT.
7169 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7170 * doc/md.texi: Document new constraint-definition mechanism and the
7171 C interface it provides. Remove references to old mechanism
7172 elsewhere in the document.
7173 (Machine Constraints): Use pathnames relative to gcc directory,
7174 i.e. config/ARCH/FILE. Change i386 section to refer to
7175 config/i386/predicates.md; update that section to match docstrings.
7176 * doc/tm.texi: Move all documentation of the old constraint-
7177 definition macros to their own section, clearly mark as obsolete.
7179 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7180 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7181 definitions.
7182 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7183 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7184 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7185 constraint strings.
7186 (splits and peepholes): Use satisfies_constraint_*.
7187 * config/i386/i386.c (memory_address_length)
7188 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7190 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7192 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7193 scalar operation to be put back into the loop.
7195 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7197 PR other/26208
7198 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7199 (extract_cie_info): Handle S flag in augmentation string.
7200 (execute_cfa_program): If context->signal_frame, execute also
7201 fs->pc == context->ra instructions.
7202 (uw_frame_state_for): If context->signal_frame, don't subtract one
7203 from context->ra to find FDE.
7204 (uw_update_context_1): Set context->signal_frame to
7205 fs->signal_frame.
7206 (_Unwind_GetIPInfo): New function.
7207 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7208 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7209 of _Unwind_GetIP.
7210 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7211 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7212 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7213 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7214 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7215 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7216 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7217 x86_64_fallback_frame_state): Set fs->signal_frame.
7218 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7219 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7220 (frob_update_context): Likewise. Workaround missing S flag in
7221 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7222 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7223 Remove the psw_addr + 1 hack.
7225 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7227 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7228 with aggregates here.
7229 (find_func_aliases): Remove code for &<aggregate> from here.
7231 2006-02-26 Roger Sayle <roger@eyesopen.com>
7233 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7234 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7235 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7236 as (X & C) ne/eq 0.
7238 2006-02-26 Roger Sayle <roger@eyesopen.com>
7240 PR middle-end/19983
7241 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7243 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7245 * opts.c (decode_options): Do not handle flag_strength_reduce.
7246 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7247 and OPT_fstrength_reduce.
7248 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7249 flag_prefetch_loop_arrays for being nonzero.
7250 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7251 no-ops.
7252 (fprefetch-loop-arrays-rtl): Removed.
7253 (flag_prefetch_loop_arrays): Do not specify the value.
7255 * doc/passes.texi: Update documentation of loop optimizer
7256 passes.
7257 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7258 -frerun-loop-opt): Remove.
7260 2006-02-26 Richard Guenther <rguenther@suse.de>
7262 PR tree-optimization/26421
7263 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7264 in function calls that are ADDR_EXPRs as using the whole structure.
7266 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7268 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7269 * tree-pass.h (pass_loop_optimize): Remove.
7270 * passes.c (pass_loop_optimize): Never run it.
7271 * toplev.c (backend_init): Don't call init_loop.
7272 * opts.c (flag_loop_optimize_set): Remove.
7273 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7274 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7275 the old RTL loop optimizer when profiling enabled.
7276 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7277 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7278 pre-headers for the sake of the old RTL loop optimizer.
7279 * Makefile.in: Remove all references to loop.o.
7281 * doc/invoke.texi: Remove all references to -floop-optimize
7282 and -frerun-loop-opt.
7284 2006-02-26 Zack Weinberg <zackw@panix.com>
7286 * doc/md.texi (Machine Constraints): Refer to all files with paths
7287 relative to gcc directory (i.e. config/CPU/file). Add missing
7288 @table @code ... @end table to M32C subsection.
7290 2006-02-26 Roger Sayle <roger@eyesopen.com>
7292 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7293 (X & 1) == 0.
7294 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7296 2006-02-26 Roger Sayle <roger@eyesopen.com>
7297 James A. Morrison <phython@gcc.gnu.org>
7299 PR middle-end/21137
7300 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7301 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7302 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7303 signedness of the shift operation.
7305 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7307 PR tree-optimization/26359
7308 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7310 2006-02-25 Roger Sayle <roger@eyesopen.com>
7312 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7313 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7314 as X == 0, and some symmetry related transformations.
7315 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7317 2006-02-25 Roger Sayle <roger@eyesopen.com>
7319 PR middle-end/23673
7320 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7321 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7322 symmetry related transformations. Fold (X^C1) == C2 as
7323 X == (C1^C2).
7325 2006-02-25 Juergen Weigert <jw@suse.de>
7326 Richard Guenther <rguenther@suse.de>
7328 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7330 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7332 * combine.c (gen_lowpart_or_truncate): Call
7333 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7335 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7337 * doc/invoke.texi: Move -fopenmp description to "Options for
7338 Code Generation".
7339 Remove reference to -lgomp.
7341 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7343 * doc/install.texi: Require GNU tar version 1.14.
7345 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7347 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7348 * doc/invoke.texi (C++ Dialect Options): Document
7349 -fno-use-cxa-get-exception-ptr.
7350 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7351 * configure: Regenerate.
7352 * c.opt (fuse-cxa-get-exception-ptr): New.
7353 * c-opts.c (c_common_handle_option): Handle
7354 OPT_fuse_cxa_get_exception_ptr.
7355 * c-common.c (flag_use_cxa_atexit): Update documentation.
7356 (flag_use_cxa_get_exception_ptr): New.
7357 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7358 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7359 documentation.
7360 (C_COMMON_OVERRIDE_OPTIONS): New.
7362 2006-02-24 Roger Sayle <roger@eyesopen.com>
7364 PR middle-end/24952
7365 * combine.c (try_combine): Explicitly check whether GET_CODE is
7366 a SET or a CLOBBER, instead on checking that it isn't a USE.
7368 2006-02-24 Roger Sayle <roger@eyesopen.com>
7370 * fold-const.c (fold_comparison): New subroutine of fold_binary
7371 containing transformations common to both the equality and
7372 ordering relational operators, factored out of fold_binary.
7373 (fold_binary): Separate out the equality operators (EQ_EXPR
7374 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7375 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7376 transformations common to both.
7377 (fold_div_compare): Fix latent bugs in the previously unreachable
7378 LT_EXPR and GE_EXPR cases.
7380 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7382 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7383 decl libname for clog to __clog on AIX.
7385 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7387 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7389 PR target/26453
7390 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7391 output traceback table for thunks. Localise rs6000_stack_info call.
7393 2006-02-23 Roger Sayle <roger@eyesopen.com>
7394 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7396 * gthr-posix.h (__gthrw): Fix typo in comment.
7398 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7400 * doc/cpp.texi (Character sets): Document that we do support
7401 input files to be in any character set.
7403 2006-02-23 Jeff Law <law@redhat.com>
7405 * tree.h (PHI_ARG_NONZERO): Remove.
7406 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7407 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7408 node to the new node.
7410 PR tree-optimization/26425
7411 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7412 min/max, then assume its varying.
7414 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7416 PR rtl-optimization/26316
7417 * rtlanal.c (enum may_trap_p_flags): New.
7418 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7419 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7420 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7421 (may_trap_after_code_motion_p): New function.
7422 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7423 (find_invariant_insn): Use may_trap_after_code_motion_p.
7424 * rtl.h (may_trap_after_code_motion_p): Declare.
7426 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7428 * emit-rtl.c (immed_double_const): Cleanup.
7430 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7432 Fix PR tree-optimization/26376
7433 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7434 remove assert.
7436 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7438 PR middle-end/26412
7439 * gimplify.c (omp_add_variable): Guard variable size decl test with
7440 DECL_SIZE (decl) check.
7442 2006-02-23 Richard Guenther <rguenther@suse.de>
7444 PR middle-end/26439
7445 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7446 like aggregate types.
7448 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7450 * configure.ac: Add --with{,out}-long-double-128 configure option.
7451 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7452 * configure: Rebuilt.
7453 * config.in: Rebuilt.
7454 * doc/install.texi (Options specification): Document
7455 --with-long-double-128.
7457 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7458 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7459 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7460 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7462 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7464 * config/s390/s390.c (override_options): Handle
7465 TARGET_DEFAULT_LONG_DOUBLE_128.
7467 * config/alpha/alpha.c (override_options): Handle
7468 TARGET_DEFAULT_LONG_DOUBLE_128.
7470 * config/sparc/sparc.c (sparc_override_options): Handle
7471 TARGET_DEFAULT_LONG_DOUBLE_128.
7473 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7475 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7476 (real-install-headers-tar, real-install-headers-cpio)
7477 (real-install-headers-cp): New targets.
7479 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7481 * tree.h (variable_section): Delete.
7482 * varasm.c (variable_section): Delete.
7484 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7486 * install.texi: Add notes on install.texi2html.
7487 (Building in parallel): Do not use footnotes.
7489 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7491 PR libgomp/26234
7492 * doc/install.texi (Configuration): Document --disable-libgomp.
7494 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7496 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7498 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7500 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7501 (vec_extractv2df_0_sse): New.
7503 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7505 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7506 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7507 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7508 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7509 to the result of the expression.
7510 (def_cfa_1): Adjust.
7511 (frame_pointer_cfa_offset): Rename to...
7512 (frame_pointer_fb_offset): ... this. Adjust all uses.
7513 (convert_cfa_to_loc_list): Rename to...
7514 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7515 Pass it on to build_cfa_loc.
7516 (compute_frame_pointer_to_cfa_displacement): Rename to...
7517 (compute_frame_pointer_to_fb_displacement): ... this. New
7518 offset parameter. Use it in computation.
7519 (gen_subprogram_die): Compute cfa_fb_offset with the new
7520 macro, and use it to compute the fb loc list and the
7521 displacement.
7523 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7525 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7526 replaced with register_operand.
7527 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7528 non-DREG is expensive.
7529 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7530 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7531 involving memory.
7533 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7535 * doc/install.texi2html: Use set -e.
7537 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7539 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7540 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7541 * doc/invoke.texi (-fshared-data): Delete.
7542 * common.opt (fshared-data): Delete.
7543 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7544 (assemble_static_space): Remove #if 0 code.
7545 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7546 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7547 * config/cris/cris.h: Remove FIXME.
7549 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7551 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7552 hooks.
7554 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7556 PR middle-end/26379
7557 * combine.c (simplify_shift_const_1): Disable nested shifts
7558 optimization for vector shifts.
7560 2006-02-20 Roger Sayle <roger@eyesopen.com>
7562 PR tree-optimization/26361
7563 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7564 of unsigned integer types.
7566 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7568 * tree-chrec.c (eq_evolutions_p): New.
7569 * tree-chrec.h (eq_evolutions_p): Declared.
7570 * tree-data-ref.c: Fix formatting.
7571 (datadep_stats, dependence_stats): New.
7572 (gcd): Moved...
7573 (print_direction_vector): New.
7574 (dump_data_dependence_relation): Use print_direction_vector.
7575 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7576 (compute_subscript_distance): Static.
7577 (initialize_data_dependence_relation): Static. Get the number
7578 of loops surrounding the references from the callers, and initialize
7579 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7580 base_object_differ_p analyzers.
7581 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7582 compute_overlap_steps_for_affine_1_2,
7583 analyze_subscript_affine_affine): Count the classified dependences.
7584 Print a message when a test failed.
7585 (can_use_analyze_subscript_affine_affine): New.
7586 (analyze_siv_subscript): Compute the data dependences on symbolic
7587 scevs that verify can_use_analyze_subscript_affine_affine.
7588 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7589 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7590 Handle symbolic scevs.
7591 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7592 analyzed.
7593 (subscript_dependence_tester): Moved...
7594 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7595 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7596 DDR_SIZE_VECT instead of getting it in parameter.
7597 (subscript_dependence_tester): ... here. Take as a parameter
7598 loop_nest_depth. Call build_classic_dist_vector and
7599 build_classic_dir_vector.
7600 (compute_affine_dependence): Update subscript_dependence_tester
7601 parameters. Update datadep_stats counters. Call
7602 compute_subscript_distance.
7603 (compute_self_dependence): Save the dist and dir vectors. Call
7604 compute_subscript_distance.
7605 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7606 (compute_all_dependences): Reorder parameters as they were before
7607 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7608 compute_subscript_distance. Update the use of
7609 compute_affine_dependence and initialize_data_dependence_relation.
7610 (find_data_references_in_loop): Handle COMPONENT_REF.
7611 (compute_data_dependences_for_loop): Initialize dependence_stats.
7612 Don't call build_classic_dist_vector and build_classic_dir_vector.
7613 Update the parameters of initialize_data_dependence_relation and
7614 compute_all_dependences. Print the statistics from datadep_stats.
7615 (analyze_all_data_dependences): Static. Not used until the pass for
7616 checking the data dependences is contributed.
7617 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7618 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7619 (initialize_data_dependence_relation, compute_affine_dependence,
7620 analyze_all_data_dependences, compute_subscript_distance): Removed.
7621 (print_direction_vector): New.
7622 * lambda.h (gcd): ... here.
7623 (lambda_vector_gcd): Moved here from gcd_vector.
7624 * lambda-code.c (gcd, gcd_vector): Removed.
7625 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7626 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7628 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7630 * ipa-type-escape.c: Tidy some comments and white space.
7631 * tree-ssa-operands.c: Likewise.
7633 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7635 PR tree-opt/25879
7636 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7637 (dump_decl_name): Do not walk the decl tree chains.
7638 * tree-pass.h (TDF_CHAIN): Remove.
7640 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7642 * Makefile.in (C): Remove
7643 (PROTO): Remove
7644 (.PHONY): Remove C and PROTO
7646 2006-02-20 Roger Sayle <roger@eyesopen.com>
7648 PR middle-end/26236
7649 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7650 deprecated CHAR_TYPE tree code.
7652 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7654 * configure.ac (target_list): Add install-info, dvi, html.
7655 * configure: Regenerate.
7657 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7658 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7659 treelang/Make-lang.in: Do not use double-colon rules.
7661 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7663 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7664 (TMT_USED_ALONE): New macro.
7665 * tree-pass.h (PROP_tmt_usage): New property.
7666 (TODO_update_tmt_usage): New todo.
7667 * tree-ssa-alias.c (updating_used_alone): New variable.
7668 (recalculate_used_alone): New function.
7669 (compute_may_aliases): Set updating_used_alone, call
7670 recalculate_used_alone.
7671 * tree-sra.c (pass_sra): Note that this pass destroys
7672 PROP_tmt_usage, and add TODO_update_tmt_usage.
7673 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7674 * tree-flow.h (updating_used_alone): Prototype.
7675 (recalculate_used_alone): Ditto.
7676 * passes.c (execute_todo): Add code to set updating_used_alone,
7677 and call recalculate.
7678 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7679 for clobber if used alone, and add assert to verify used_alone
7680 status.
7682 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7684 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7685 for non tls symbols added.
7686 (legitimize_address): Do nothing for PLUS expressions if one of the
7687 addends is a tls symbol reference.
7689 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7691 PR bootstrap/25476
7693 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7695 * Makefile.in (BOOTSTRAPPING): New.
7696 (quickstrap): New definition if BOOTSTRAPPING=yes.
7698 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7699 * configure.ac: Substitute all_selected_languages with the languages
7700 that were configured. For all the other variables except
7701 lang_specs_files, include all the languages in the tree.
7702 * configure: Regenerate.
7704 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7705 if there is one. Run the commands to run fixincludes in the same
7706 subshell.
7708 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7709 * doc/install.texi: Document exact conventions for searching target tools.
7710 Document --with-build-time-tools. Document toplevel bootstrap. Document
7711 something more about building an Ada cross-compiler. Don't list GNU Make
7712 requirements which affect all platforms.
7714 2006-02-19 Roger Sayle <roger@eyesopen.com>
7716 PR middle-end/19543
7717 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7718 only equivalent if the have both the same mode and precision.
7720 2006-02-20 Ben Elliston <bje@au.ibm.com>
7722 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7724 2006-02-19 Roger Sayle <roger@eyesopen.com>
7725 Steven Bosscher <stevenb.gcc@gmail.com>
7727 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7728 constant pool references to identify stack mode constants.
7729 * rtlanal.c (constant_pool_constant_p): New predicate to check
7730 whether operand is a floating point constant in the pool.
7731 * rtl.h (constant_pool_constant_p): Prototype here.
7732 * loop.c (scan_loop): Avoid hoisting constants from the constant
7733 pool on STACK_REGS targets.
7734 (load_mems): Likewise.
7735 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7736 loads into x87 registers expensive in terms of register pressure.
7738 2006-02-19 Roger Sayle <roger@eyesopen.com>
7740 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7741 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7743 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7745 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7746 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7748 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7750 * doc/invoke.texi: Document -fipa-pta.
7751 * common.opt: Add ipa-pta option.
7752 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7753 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7754 (do_ds_constraint): Ditto.
7755 (get_constraint_for): Only add to referenced_vars if
7756 referenced_vars exists.
7757 (insert_into_field_list): Rewrite to do this unsorted.
7758 (insert_into_field_list_sorted): Rename old insert_into_field_list
7759 to this.
7760 (create_function_info_for): Use insert_into_field_list_sorted.
7761 (create_variable_info_for): Rewrite so it uses unsorted version,
7762 since the field list is sorted.
7763 (intra_create_variable_infos): Only add to referenced_vars if
7764 referenced_vars exists.
7765 (ipa_pta_execute): Init heapvars, and delete when done.
7766 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7768 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7770 * doc/install.texi: Add missing `@samp'.
7772 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7774 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7775 Use the arguments.
7777 2006-02-18 Mark Wielaard <mark@klomp.org>
7779 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7780 who added new 4.1 features, bug fixes and integration support.
7782 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7784 PR target/26350
7785 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7786 MEM for ABI_V4 pic.
7788 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7790 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7791 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7792 (copy_insn_1): Likewise. Don't copy each field individually.
7793 Reindent.
7794 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7795 of RTX_SIZE.
7796 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7797 * rtl.c (rtx_size): Rename variable to...
7798 (rtx_code_size): ...this.
7799 (rtx_size): New function.
7800 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7801 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7802 Reindent.
7803 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7804 * rtl.h (rtx_code_size): New variable.
7805 (rtx_size): Change from a variable to a function.
7806 (RTX_SIZE): Rename to...
7807 (RTX_CODE_SIZE): ...this.
7809 PR target/9703
7810 PR tree-optimization/17106
7811 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7812 (Anchored Addresses): New section.
7813 * doc/invoke.texi (-fsection-anchors): Document.
7814 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7815 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7816 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7817 * hooks.c (hook_bool_mode_rtx_false): New function.
7818 * hooks.h (hook_bool_mode_rtx_false): Declare.
7819 * gengtype.c (create_optional_field): New function.
7820 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7821 SYMBOL_REF_IN_BLOCK_P is true.
7822 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7823 (min_anchor_offset, max_anchor_offset): Likewise.
7824 (use_anchors_for_symbol_p): New hook.
7825 * toplev.c (compile_file): Call output_object_blocks.
7826 (target_supports_section_anchors_p): New function.
7827 (process_options): Check that -fsection-anchors is only used on
7828 targets that support it and when -funit-at-a-time is in effect.
7829 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7830 if the decl doesn't have one.
7831 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7832 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7833 of force_const_mem through use_anchored_address.
7834 (expand_expr_constant): New function.
7835 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7836 calling expand_expr for INDIRECT_REF.
7837 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7838 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7839 * expr.h (use_anchored_address): Declare.
7840 * loop-unroll.c: Don't declare rtx vectors here.
7841 * explow.c: Include output.h.
7842 (validize_mem): Call use_anchored_address.
7843 (use_anchored_address): New function.
7844 * common.opt (-fsection-anchors): New switch.
7845 * varasm.c (object_block_htab, anchor_labelno): New variables.
7846 (hash_section, object_block_entry_eq, object_block_entry_hash)
7847 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7848 (use_blocks_for_decl_p, change_symbol_section): New functions.
7849 (get_variable_section): New function, split out from assemble_variable.
7850 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7851 use_blocks_for_decl_p say so. Use change_symbol_section if the
7852 symbol has already been created.
7853 (assemble_variable_contents): New function, split out from...
7854 (assemble_variable): ...here. Don't output any code for
7855 block symbols; just pass them to place_block_symbol.
7856 Use get_variable_section and assemble_variable_contents.
7857 (get_constant_alignment, get_constant_section, get_constant_size): New
7858 functions, split from output_constant_def_contents.
7859 (build_constant_desc): Create a block symbol if use_object_blocks_p
7860 says so. Or into SYMBOL_REF_FLAGS.
7861 (assemble_constant_contents): New function, split from...
7862 (output_constant_def_contents): ...here. Don't output any code
7863 for block symbols; just pass them to place_section_symbol.
7864 Use get_constant_section and get_constant_alignment.
7865 (force_const_mem): Create a block symbol if use_object_blocks_p and
7866 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7867 (output_constant_pool_1): Add an explicit alignment argument.
7868 Don't switch sections here.
7869 (output_constant_pool): Adjust call to output_constant_pool_1.
7870 Switch sections here instead. Don't output anything for block symbols;
7871 just pass them to place_block_symbol.
7872 (init_varasm_once): Initialize object_block_htab.
7873 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7874 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7875 (place_block_symbol, get_section_anchor, output_object_block)
7876 (output_object_block_htab, output_object_blocks): New functions.
7877 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7878 (TARGET_ASM_OUT): Include it.
7879 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7880 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7881 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7882 (TARGET_INITIALIZER): Include them.
7883 * rtl.c (rtl_check_failed_block_symbol): New function.
7884 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7885 (block_symbol, object_block): New structures.
7886 (rtx_def): Add a block_symbol field to the union.
7887 (BLOCK_SYMBOL_CHECK): New macro.
7888 (rtl_check_failed_block_symbol): Declare.
7889 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7890 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7891 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7892 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7893 * output.h (output_section_symbols): Declare.
7894 (object_block): Name structure.
7895 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7896 (default_use_anchors_for_symbol_p): Declare.
7897 * Makefile.in (RTL_BASE_H): Add vec.h.
7898 (explow.o): Depend on output.h.
7899 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7900 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7901 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7902 (rs6000_use_blocks_for_constant_p): New function.
7904 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7906 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7908 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7910 PR tree-opt/25680
7911 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7912 IMAGPART_EXPR.
7914 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7916 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7917 is_aliased.
7918 Update all users.
7920 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7922 PR middle-end/26334
7923 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7924 instead of DECL_REGISTER.
7926 2006-02-18 Olivier Hainque <hainque@adacore.com>
7928 PR ada/13408
7929 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7931 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7933 PR target/24837
7934 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7935 * opth-gen.awk: Handle Var and InverseMask together.
7936 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7937 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7938 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7939 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7940 used together.
7941 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7942 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7943 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7944 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7945 LINUX_DYNAMIC_LINKER): Define.
7946 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7947 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7948 TARGET_GLIBC.
7949 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7950 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7951 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7953 (TARGET_C99_FUNCTIONS): Don't define.
7954 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7955 GLIBC_DYNAMIC_LINKER.
7956 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7957 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7958 GLIBC_DYNAMIC_LINKER64): Define.
7959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7960 LINUX_DYNAMIC_LINKER64.
7961 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7963 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7965 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7967 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7968 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7969 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7971 and LINUX_DYNAMIC_LINKER32.
7972 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7973 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7974 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7976 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7977 TARGET_GLIBC.
7978 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7979 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7980 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7981 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7982 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7983 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7984 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7985 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7986 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7987 LINUX_DYNAMIC_LINKER): Define.
7988 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7989 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7990 GLIBC_DYNAMIC_LINKER64): Define.
7991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7992 LINUX_DYNAMIC_LINKER64.
7993 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7994 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7995 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7996 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7997 LINUX_DYNAMIC_LINKER): Define.
7998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7999 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8000 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8001 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8002 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8003 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8004 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8005 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8006 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8007 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8008 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8009 * doc/invoke.texi (-muclibc): Remove caveat about supported
8010 targets.
8012 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8014 * doc/cpp.texi (__TIMESTAMP__): Document.
8016 2006-02-17 Roger Sayle <roger@eyesopen.com>
8018 PR middle-end/25600
8019 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8020 C is one less than the width of X (and related transformations).
8021 * simplify-rtx.c (simplify_unary_operation_1): Transform
8022 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8023 depending on STORE_FLAG_VALUE, were C is one less then the
8024 width of X.
8026 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8028 Fix PR tree-optimization/26341
8029 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8030 about NAME_MEMORY_TAG's.
8032 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8034 PR target/26255
8035 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8036 with hardware float support, and software float support. Add fcpy
8037 alternative to hardware patterns. Add alternatives to copy between
8038 general and floating-point registers to the 32-bit pattern.
8039 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8040 secondary reload to load a QI or HI mode constant into a floating
8041 point register.
8042 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8043 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8045 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8047 PR target/26272
8048 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8049 pc to the pattern.
8050 (load_macho_picbase_di): Likewise.
8052 2006-02-16 Jeff Law <law@redhat.com>
8054 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8055 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8056 (ssa_name_nonzero_p): Likewise.
8057 (get_value_range): Return NULL if VRP is not running.
8058 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8059 VRP routines do not discover a range.
8060 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8061 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8062 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8063 (tree_expr_nonnegative_p): Similarly.
8064 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8065 (restore_nonzero_vars_to_original_value): Remove.
8066 (unsafe_associative_fp_binop): Remove.
8067 (tree_ssa_dominator_optimize): Remove initialization and
8068 finalization of nonzero_vars and nonzero_vars_stack.
8069 (dom_opt_initialize_block): No longer push marker on
8070 nonzero_vars_stack.
8071 (dom_opt_finalize_block): No longer call
8072 restore_nonzero_vars_to_original_value.
8073 (record_equivalences_from_phis): No longer look for
8074 nonzero PHI arguments.
8075 (cprop_into_successor_phis): No longer propagate nonzero
8076 property into PHI arguments. Lose unused argument. Caller
8077 updated.
8078 (record_equivalences_from_stmt): No longer record nonzero
8079 values for SSA_NAMEs.
8080 (lookup_avail_expr): No longer use nonzero_vars.
8082 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8083 for sizetype when sizetype is unsigned.
8085 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8087 PR rtl-optimization/25603
8088 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8089 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8090 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8091 with new meaning of SETS.
8093 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8095 PR target/20353
8096 PR target/24578
8097 PR target/24837
8098 * config/linux.opt: New file.
8099 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8100 LINUX_DYNAMIC_LINKER): Define.
8101 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8102 * config.gcc (*-*-linux*): Define extra_options.
8103 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8104 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8105 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8106 GLIBC_DYNAMIC_LINKER.
8107 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8108 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8109 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8111 * doc/invoke.texi (GNU/Linux Options): New section.
8113 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8115 * config/sparc/sparc.md (setjmp): Rewrite.
8116 (setjmp_32): Delete.
8117 (setjmp_64): Likewise.
8119 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8121 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8122 previous change.
8124 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8126 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8127 read-write uses.
8129 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8131 PR rtl-optimization/26296
8132 * Makefile.in (loop-invariant.c): Add except.h dependency.
8133 * loop-invariant.c: Include except.h.
8134 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8136 2005-02-16 Paul Brook <paul@codesourcery.com>
8138 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8139 for reloads.
8141 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8143 PR rtl-optimization/25636
8144 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8145 when deciding whether an insn is an initializing insn.
8147 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8149 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8150 (tree_code_size): Ditto.
8151 * tree.h (struct tree_memory_tag): Remove parent_var.
8152 (struct tree_struct_field_tag): New.
8153 (SFT_OFFSET): New.
8154 (SFT_SIZE): New.
8155 (union tree_node): Add sft member.
8156 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8157 specially here.
8158 (create_sft): Add size and offset argument, set SFT_OFFSET and
8159 SFT_SIZE.
8160 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8161 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8162 * tree-flow-inline.h (get_subvar_at): Update for
8163 SFT_OFFSET/SFT_SIZE.
8164 (var_can_have_subvars): Ditto.
8165 (overlap_subvar): Ditto.
8166 * print-tree.c (print_node): Print out interesting things for
8167 SFT's.
8168 * tree-flow.h (struct subvar): Remove offset and size members.
8169 * tree-ssa-operands.c (get_expr_operands): Update for
8170 get_indirect_ref_operands changes.
8171 (get_indirect_ref_operands): Call add_virtual_operand instead of
8172 add_stmt_operand. Only recurse on base var if requested.
8173 (access_can_touch_variable): New function.
8174 (add_stmt_operand): Split virtual operand handling into ...
8175 (add_virtual_operand): Here. Add offset, size, and for_clobber
8176 arguments. Prune alias sets.
8177 (add_call_clobber_ops): Call add_virtual_operand.
8179 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8181 PR middle-end/26300
8182 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8184 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8185 than TREE_CODE as index into omp_clause_num_ops array.
8187 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8189 PR rtl-optimization/26184
8190 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8191 uses_of_defs.
8192 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8193 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8194 must_precede, must_follow and tobe_scheduled.
8196 PR other/26147
8197 * opts.c (common_handle_option): Free new_option pointer.
8198 * df-core.c (df_analyze): Free postorder pointer.
8200 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8202 * Makefile.in: Fix the examples about the use of stamps
8204 2006-02-15 Michael Matz <matz@suse.de>
8206 PR middle-end/22275
8208 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8209 influenced by maximum_field_alignment or DECL_PACKED.
8210 (update_alignment_for_field): Ditto.
8211 (place_field): Ditto.
8212 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8213 this behaviour.
8215 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8217 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8218 (debug_flow_info): Pass it.
8219 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8220 * bb-reorder.c (reorder_basic_blocks): Likewise.
8221 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8222 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8223 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8224 * gcse.c (gcse_main, bypass_jumps): Likewise.
8225 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8226 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8227 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8228 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8229 * rtl.h (dump_flow_info): Adjust prototype.
8230 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8231 * var-tracking.c (variable_tracking_main): Likewise.
8232 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8233 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8234 options.
8236 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8238 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8239 construction.
8241 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8243 PR tree-optimization/26209
8244 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8245 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8246 eh edges.
8247 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8249 2006-02-14 Roger Sayle <roger@eyesopen.com>
8251 PR middle-end/23670
8252 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8253 (X,Y) and the corresponding symmetry related transformations.
8254 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8255 (X,Y) and its symmetry related transformations.
8257 2006-02-14 Roger Sayle <roger@eyesopen.com>
8259 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8260 and GEU.
8262 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8264 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8266 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8268 PR bootstrap/26053
8269 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8270 support COMDAT group.
8271 * configure: Regenerate.
8273 2006-02-14 Roger Sayle <roger@eyesopen.com>
8275 PR middle-end/26279
8276 PR middle-end/26280
8277 PR middle-end/26283
8278 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8280 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8282 Fix PR tree-optimization/26260
8284 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8285 param.
8286 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8287 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8288 * tree-ssa-structalias.c (create_variable_info_for): Use
8289 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8291 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8293 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8294 Document.
8295 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8296 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8297 of the ending condition.
8298 * tree-ssa-loop-manip.c: Include params.h.
8299 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8300 tree_unroll_loop): New functions.
8301 * tree-pass.h (pass_loop_prefetch): Declare.
8302 * loop.c (rest_of_handle_loop_optimize): Test for
8303 -fprefetch-loop-arrays-rtl.
8304 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8305 * timevar.def (TV_TREE_PREFETCH): New timevar.
8306 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8307 pass_loop_prefetch): New.
8308 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8309 (cleanup_tree_cfg_loop): Call scev_reset.
8310 * common.opt (fprefetch-loop-arrays-rtl): Add.
8311 * tree-ssa-loop-prefetch.c: New file.
8312 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8313 (new_temp_expr_table): Initialize expr_vars.
8314 (free_temp_expr_table): Cleanup expr_vars.
8315 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8316 expressions from being merged into one.
8317 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8318 (struct tree_niter_desc): Add control, bound and cmp fields.
8319 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8320 Declare.
8321 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8322 (tree-cfgcleanup.o): Add SCEV_H dependency.
8323 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8324 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8326 2006-02-14 Richard Guenther <rguenther@suse.de>
8328 PR tree-optimization/26258
8329 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8330 in PHI argument processing.
8332 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8334 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8335 new expression in the requested machine mode.
8337 2006-02-13 Roger Sayle <roger@eyesopen.com>
8339 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8340 directly, instead let do_compare_rtx_and_jump handle this for us.
8341 * expr.c (expand_expr_real_1): Likewise.
8342 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8343 before do_jump_by_parts_greater.
8344 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8345 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8347 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8349 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8351 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8353 PR rtl-optimization/26235
8354 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8355 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8356 format.
8358 2006-02-13 Jeff Law <law@redhat.com>
8360 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8361 TRUTH_XOR_EPR.
8363 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8365 PR middle-end/26092
8366 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8367 twice if decl is a builtin. When trying again, call get_callee_fndecl
8368 first to verify it is still a builtin.
8370 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8372 * dwarf2out.c (base_type_die): Don't add AT_name here.
8373 (subrange_type_die): Don't add AT_name here.
8374 (modified_type_die): Rearrange code flow. Do add AT_name here.
8376 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8378 PR rtl-optimization/26247
8379 PR rtl-optimization/26248
8380 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8382 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8384 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8385 * config/fixtfdi.c: Likewise.
8386 * config/fixunstfdi.c: Likewise.
8387 * config/floatditf.c: Likewise.
8389 2006-02-13 Roger Sayle <roger@eyesopen.com>
8391 PR middle-end/24427
8392 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8393 into (X,C2) if C1 is a subset of the bits of C2. Transform
8394 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8395 (X&(C1&~C2))|C2.
8396 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8398 2006-02-13 Josh Conner <jconner@apple.com>
8400 PR target/25376
8401 * varasm.c (function_section): Check for section name before
8402 calling select_section on targets that define
8403 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8404 unlikely_text_section instead of hot_function_section if
8405 first_function_block_is_cold.
8407 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8409 PR middle-end/25335
8410 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8412 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR rtl-optimization/26222
8415 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8416 after tree->rtl expansion.
8417 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8418 before passing it to emit_move_insn.
8420 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8422 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8423 default.
8424 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8425 Clarify documentation.
8426 * c-common.h (warn_write_strings): Remove.
8427 * c-common.c (warn_write_strings): Likewise.
8428 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8429 default for C++.
8431 2006-02-12 Roger Sayle <roger@eyesopen.com>
8433 PR middle-end/25724
8434 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8435 (do_jump_parts_zero_rtx): New function renamed from
8436 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8437 (do_jump_parts_equality_rtx): New function split out from
8438 do_jump_parts_equality. Old implementation renamed as above.
8439 Call do_jump_parts_zero_rtx if either operand is zero.
8440 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8441 do all of the heavy lifting.
8442 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8443 calling either do_jump_by_parts_greater_rtx or
8444 do_jump_by_parts_equality_rtx.
8445 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8446 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8447 moved to do_compare_rtx_and_jump, call it directly.
8448 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8449 mode argument. Call do_compare_rtx_and_jump.
8450 (emit_case_nodes): Update calls to do_jump_if_equal.
8452 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8454 PR rtl-optimization/26225
8455 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8457 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8459 PR rtl-optimization/26232
8460 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8462 2006-02-11 Jason Merrill <jason@redhat.com>
8464 PR tree-opt/24365
8465 * tree-inline.c (declare_return_variable): Just don't use the
8466 modify target if it's a gimple complex reg and the return slot
8467 isn't.
8469 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8471 * doc/contrib.texi: Update my entry.
8473 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8475 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8477 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8479 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8480 expensive.
8482 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8484 * doc/invoke.texi (-floop-optimize2): Removed.
8485 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8486 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8487 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8488 * common.opt (floop-optimize2): Removed.
8489 (fmove-loop-invariants): Enabled by default.
8491 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8493 * tree-if-conv.c (combine_blocks): Free the result of
8494 get_loop_exit_edges.
8496 2006-02-10 Jeff Law <law@redhat.com>
8498 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8500 PR tree-optimization/26213
8501 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8502 loop trying to follow SSA_NAME_VALUE chains.
8504 2006-02-10 Richard Guenther <rguenther@suse.de>
8506 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8507 deal with structures that end in implicitly variable sized arrays.
8509 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8511 PR rtl-optimization/24762
8512 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8513 eh edges.
8515 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8517 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8518 (struct ivopts_data): Add regs_used field.
8519 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8520 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8521 instead of loop_data->regs_used;
8522 (free_loop_data): Do not free aux fields for loops.
8523 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8524 and tree_ssa_iv_optimize_finalize.
8526 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8528 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8530 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8532 PR target/26141
8533 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8534 computing the effective result type.
8536 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8538 PR inline-asm/16194
8539 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8540 (tree_overlaps_hard_reg_set): Declare.
8541 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8542 type and signature to match function type expected by walk_tree.
8543 (tree_overlaps_hard_reg_set): New function.
8544 (decl_conflicts_with_clobbers_p): Rename to:
8545 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8546 Use tree_overlaps_hard_reg_set. Changed caller.
8547 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8548 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8549 * cris.c (cris_md_asm_clobbers): Likewise.
8551 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8553 * reload1.c (emit_input_reload_insns): Delete code that tries to
8554 inherit using find_equiv_reg.
8556 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8558 * c-common.h (flag_const_strings): Don't declare.
8559 * c-common.c (flag_const_strings): Remove.
8560 * c.opt (fconst_strings): Remove.
8561 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8562 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8563 (c_common_init_options): Don't set flag_const_strings.
8564 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8566 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8568 * arm.md (tlobits_cbranch): New pattern.
8569 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8570 testing a single bit.
8572 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8574 PR tree-opt/26179
8575 * tree-ssa-pre.c (create_component_ref_by_pieces):
8576 Handle RETURN_DECL like VAR_DECL.
8578 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8580 PR middle-end/26134
8581 * fold-const.c (fold_indirect_ref_1): Fold
8582 "*(foo *)&complexfoo" to "__real__ complexfoo"
8583 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8585 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8587 * tree-flow-inline.h (var_can_have_subvars):
8588 Volatile variables should not have subvariables.
8590 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8592 PR 26180
8593 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8594 multiplying unsigned values.
8595 Tidy comments.
8597 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8599 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8601 2006-02-08 Jason Merrill <jason@redhat.com>
8603 PR c++/25979
8604 * tree.def: Elaborate on difference from MODIFY_EXPR.
8605 * doc/c-tree.texi (INIT_EXPR): Likewise.
8606 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8607 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8608 (gimplify_target_expr): Likewise.
8609 (gimplify_cond_expr): Remove target handling.
8610 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8611 (gimplify_expr): Clobber it here.
8612 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8613 Do return slot optimization if we have an INIT_EXPR.
8615 PR tree-opt/24365
8616 * tree-inline.c (declare_return_variable): Also clear
8617 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8619 PR c++/16405
8620 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8622 PR middle-end/22439
8623 * gimplify.c (gimplify_one_sizepos): Fix typo.
8625 2006-02-08 Jeff Law <law@redhat.com>
8627 PR tree-optimization/21417
8628 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8629 across a backedge if the control statement at the end of the
8630 block is data dependent on other statements in the same block.
8631 (record_temporary_equivalences_from_stmts): Remove over-conservative
8632 test for threading across backedges.
8634 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8635 control statement, handle all three special cases in the same
8636 manner as they all have the same desired solution. No longer
8637 special case edge flag updating when the post dominator is
8638 the exit block.
8640 2006-02-08 Roger Sayle <roger@eyesopen.com>
8642 * tree.def (CHAR_TYPE): Remove.
8643 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8644 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8645 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8646 (gen_string_type_die): Delete unreachable function.
8648 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8649 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8650 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8651 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8652 * builtins.c (type_to_class): Likewise.
8653 * fold-const.c (fold_convert, build_range_check,
8654 merge_ranges): Likewise.
8655 * expr.c (count_type_elements): Likewise.
8656 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8657 * stor-layout.c (layout_type): Likewise.
8658 * ipa-type-escape.c (type_to_consider): Likewise.
8659 * gimplify.c (omp_firstprivatize_type_sizes,
8660 gimplify_type_sizes): Likewise.
8661 * explow.c (promote_mode): Likewise.
8662 * tree-sra.c (is_sra_scalar_type): Likewise.
8663 * varasm.c (output_constant): Likewise.
8664 * tree-inline.c (remap_type_1): Likewise.
8665 * convert.c (convert_to_pointer, convert_to_real,
8666 convert_to_integer, convert_to_complex): Likewise.
8668 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8670 * df-scan.c (df_def_record_1): A set destination may
8671 be a parallel regardless of mode.
8673 2006-02-08 Roger Sayle <roger@eyesopen.com>
8675 PR target/22209
8676 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8677 * config/mips/_tilib.c: Remove.
8678 * config/fixtfdi.c: New libgcc source file.
8679 * config/fixunstfdi.c: New source file.
8680 * config/floatditf.c: New source file.
8681 * config/floatunditf.c: New souce file.
8682 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8683 files above instead of config/mips/_tilib.c.
8684 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8686 2006-02-08 Jeff Law <law@redhat.com>
8688 PR tree-optimization/26169
8689 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8690 threading jumps.
8692 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8694 * df.h (DF_REG_SIZE): Return the length of the initialized
8695 part of the array.
8697 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8699 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8700 __muldf3): Return a correctly signed zero.
8702 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8704 * passes.c (register_one_dump_file): Accept the current properties
8705 instead of pass number. Adjust call to dump_register. Remove
8706 duplicated code.
8707 (register_dump_files): Now a wrapper around...
8708 (register_dump_files_1): ... this one. Do not modify the pass
8709 structure.
8710 (next_pass_1): Cosmetic fix.
8711 (execute_todo): Keep second parameter only. Use curr_properties
8712 instead of fetching it from the pass structure. Check and set
8713 last_verified.
8714 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8715 instead of fetching it from the pass structure. Fix calls to
8716 execute_todo. Update curr_properties and initialize .vcg RTL dump
8717 after running the pass. Reset last_verified.
8718 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8719 at the beginning.
8720 (FIRST_AUTO_NUMBERED_DUMP): New.
8721 (dump_register): Remove "num" parameter, assign it within the
8722 function.
8723 (get_dump_file_name): Modify template for dumps.
8724 * tree-dump.h (dump_register): Adjust prototype.
8725 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8726 (PROP_trees): Add PROP_gimple_lomp.
8727 (TODO_set_props): New.
8728 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8729 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8730 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8732 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8734 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8735 (sparc64-*-linux*): Likewise.
8736 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8737 * config/sparc/t-linux: New file.
8738 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8739 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8740 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8741 -m32 -mlong-double-128.
8743 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8744 * config/alpha/t-linux: New file.
8745 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8747 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8748 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8749 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8750 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8751 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8752 (CPP_ARCH32_SPEC): Remove.
8754 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8756 PR tree-optimization/26145
8757 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8758 bbs pointer.
8760 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8762 PR target/26109
8763 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8764 >= 240000 when generating code for SOM runtime.
8765 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8766 to $$dyncall when generating code for SOM runtime..
8768 2006-02-07 Dirk Mueller <dmueller@suse.com>
8770 PR c++/18150
8771 * doc/invoke.texi (-Wsequence-point): Update documentation
8772 that -Wsequence-point is implemented for C++ as well.
8774 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8776 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8777 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8778 (LIB_SPEC): Likewise.
8779 * doc/invoke.texi (SPARC options): Document -pthread.
8781 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8783 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8784 PIC addresses.
8786 2006-02-07 Roger Sayle <roger@eyesopen.com>
8788 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8789 Correct comment describing BOOLEAN_TYPE.
8791 2006-02-07 Dirk Mueller <dmueller@suse.com>
8793 * c.opt: C++ frontend supports -Wdiv-by-zero.
8794 * c-opts.c (c_common_handle_option): Remove dead case.
8796 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8798 * configure.ac (TLS assembler check): Do not enable TLS by
8799 default on SPARC/Solaris before version 10.
8800 * configure: Regenerate.
8802 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8804 * doc/invoke.texi (xl-compat): Document conversion and support
8805 routine names.
8807 2006-02-07 Jeff Law <law@redhat.com>
8809 * tree-vrp.c (find_conditional_asserts): Update comments.
8810 (simplify_stmt_for_jump_threading): New.
8811 (identify_jump_threads, finalize_jump_threads): New.
8812 (vrp_finalize): Call identify_jump_threads.
8813 (execute_vrp): Call finalize_jump_threads.
8814 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8815 (vrp_element, vrp_data, vrp_element_p): Remove.
8816 (vrp_hash_elt, vrp_variables_stack): Remove.
8817 (vrp_hash, vrp_eq, record_range): Remove.
8818 (simplify_cond_and_lookup_avail_expr): Remove.
8819 (extract_range_from_cond): Remove.
8820 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8821 (simplify_stmt_for_jump_threading): New.
8822 (dom_thread_across_edge): New wrapper.
8823 (tree_ssa_dominator_optimize): No longer initialize or
8824 finalize any of the VRP datastructures. Remove iteration
8825 step and simplify as a result of removal of iteration step.
8826 (pass_dominator): Perform a cfg cleanup after DOM.
8827 (dom_opt_finalize_block): Use the new common routines
8828 for threading jumps. Simplify stack management slightly.
8829 No longer need to unwind VRP state.
8830 (record_equivalences_from_incoming_edge): No longer record
8831 VRP information.
8832 (eliminate_redundant_computations): No longer call
8833 simplify_cond_and_lookup_avail_expr.
8834 * tree-flow.h (potentially_threadable_block): Prototype.
8835 (thread_across_edge): Likewise.
8836 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8837 (tree-ssa-threadedge.o): Add dependencies.
8838 * tree-ssa-threadedge.c: New file.
8839 * passes.c (init_optimization_passes): Merge PHIs before
8840 calling VRP. Run VRP again late in the SSA optimization pipeline.
8842 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8844 * df-core.c (df_set_blocks): Do not dereference function pointers.
8845 (df_finish1): Likewise.
8846 (df_hybrid_search_forward): Likewise.
8847 (df_hybrid_search_backward): Likewise.
8848 (df_iterative_dataflow): Likewise.
8849 (df_analyze_problem): Likewise.
8850 (df_compact_blocks): Likewise.
8851 (df_dump): Likewise.
8852 * df-scan.c (df_rescan_blocks): Likewise.
8853 (df_record_entry_block_defs): Likewise.
8855 * genconditions.c (write_conditions): Guard the definition of
8856 'insn_conditions' with the check on GCC version.
8857 (write_writer): Guard the traversal 'insn_conditions' with
8858 the check on GCC version.
8860 2006-02-07 Richard Guenther <rguenther@suse.de>
8862 PR c++/26140
8863 Revert
8864 2006-01-30 Richard Guenther <rguenther@suse.de>
8865 PR c++/23372
8866 * gimplify.c (gimplify_target_expr): Handle easy cases
8867 without creating a temporary.
8869 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8871 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8872 use of float in probability computations. Use edge probabilities
8873 in place of statically computed probabilities.
8874 (min_spec_prob): New static variable.
8875 (schedule_insns): Initialize it.
8876 (GET_SRC_PROB): Removed.
8877 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8879 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8881 PR debug/24444
8882 * config/ia64/unwind-ia64.c: Revert last change.
8883 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8884 (INCOMING_FRAME_SP_OFFSET): Define.
8886 2006-02-06 Roger Sayle <roger@eyesopen.com>
8888 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8890 2006-02-07 Ben Elliston <bje@au.ibm.com>
8892 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8893 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8894 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8895 (ix86_return_in_memory): Handle TDmode.
8896 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8897 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8899 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8901 * reorg.c (dbr_schedule): Use dump_file instead of file.
8903 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8905 PR target/25917
8906 * config/ia64/predicates.md (extr_len_operand): New predicate.
8907 * config/ia64/ia64.md (extv): Tighten constraints.
8908 (extzv): Ditto.
8909 (*tbit_and_2): Ditto.
8910 (*tbit_and_3): Ditto.
8911 (*tbit_or_2): Ditto.
8912 (*tbit_or_3): Ditto.
8913 (*bit_zero): Ditto.
8914 (*bit_one): Ditto.
8916 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8918 PR target/23359
8919 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8921 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8923 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8924 loop_optimizer_init and loop_optimizer_finalize
8925 * tree-ssa-sink.c (execute_sink_code): Ditto.
8926 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8927 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8928 tree_ssa_loop_done): Ditto.
8929 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8930 * sched-ebb.c: Include output.h.
8931 (schedule_ebbs): Do not use dump argument.
8932 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8933 * loop.c (loop_dump_stream): Removed.
8934 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8935 argument.
8936 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8937 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8938 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8939 loop_iterations, strength_reduce, record_biv, record_giv,
8940 final_giv_value, check_final_value, check_ext_dependent_givs,
8941 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8942 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8943 dump_file instead of loop_dump_stream.
8944 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8945 argument dump_file.
8946 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8947 dump argument.
8948 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8949 * haifa-sched.c: Include output.h
8950 (schedule_insns, sched_init): Do not use dump argument.
8951 * mode-switching.c (optimize_mode_switching): Ditto.
8952 * modulo-sched.c (stats_file): Removed.
8953 (print_node_sched_params): Do not call argument dump_file.
8954 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8955 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8956 of stats_file.
8957 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8958 use dump argument.
8959 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8960 rtl_loop_init, rtl_loop_done): Ditto.
8961 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8962 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8963 Ditto.
8964 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8965 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8966 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8967 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8968 * emit-rtl.c (renumber_insns): Ditto.
8969 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8970 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8971 * regclass.c (regclass): Ditto.
8972 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8973 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8974 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8975 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8976 Ditto.
8977 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8978 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8979 to regclass.
8980 * gcse.c (gcse_file, debug_stderr): Removed.
8981 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8982 rest_of_handle_gcse): Do not use dump argument.
8983 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8984 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8985 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8986 compute_code_hoist_vbeinout, compute_code_hoist_data,
8987 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8988 compute_store_table, build_store_vectors, insert_insn_start_bb,
8989 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8990 store_motion): Use dump_file instead of gcse_file.
8991 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8992 * profile.c (profile_dump_file): Removed.
8993 (branch_prob): Use dump_file instead of profile_dump_file.
8994 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8995 dump_file.
8996 * tree-ssa-copy.c (dump_copy_of): Ditto.
8997 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8998 dump file to life_analysis.
8999 * bt-load.c (branch_target_load_optimize): Ditto.
9000 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9001 renumber_insns.
9002 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9003 regclass, dbr_schedule): Declaration changed.
9004 * sched-int.h (sched_init): Declaration changed.
9005 * tree-profile.c (tree_profile_dump_file): Removed.
9006 (tree_profile_hooks): Removed profile_dump_file hook.
9007 * rtl-profile (rtl_profile_dump_file): Removed.
9008 (rtl_profile_hooks): emoved profile_dump_file hook.
9009 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9010 changed.
9011 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9012 * tree-cfg.c (build_tree_cfg): Ditto.
9013 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9014 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9015 Declaration changed.
9016 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9017 life_analysis and schedule_insns.
9018 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9019 life_analysis.
9020 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9021 dbr_schedule.
9022 * config/mips/mips.c (mips_reorg): Ditto.
9023 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9024 schedule_ebbs.
9026 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9028 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9029 (s390_mangle_fundamental_type): New.
9030 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9031 Define.
9033 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9034 (alpha_mangle_fundamental_type): New.
9035 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9036 Define.
9038 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9039 Define.
9040 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9041 Define.
9042 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9043 (sparc_mangle_fundamental_type): New.
9045 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9047 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9048 (s390x-*-linux*): Likewise.
9049 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9050 * config/s390/t-linux: New file.
9052 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9054 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9055 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9057 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9059 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9060 (ANTIC_SAFE_LOADS): New macro.
9061 (find_or_generate_expression): Add prototype.
9062 (set_contains_value): Allow null set for sake of not always having
9063 to allocate ANTIC_SAFE_LOADS.
9064 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9065 Allow COMPONENT_REF too.
9066 (valid_in_set): Allow COMPONENT_REF.
9067 Check ANTIC_SAFE_LOADS too.
9068 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9069 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9070 rename.
9071 (can_PRE_operation): Add COMPONENT_REF.
9072 (create_component_ref_by_pieces): New function.
9073 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9074 (insert_aux): Move AGGREGATE_TYPE_P check here.
9075 (compute_avail): Set bb local stmt uids.
9076 (pass_pre): Use TODO_update_ssa_only_virtuals.
9078 2006-02-06 Ben Elliston <bje@au.ibm.com>
9080 * configure.ac: Unconditionally disable decimal float by default.
9081 * configure: Regenerate.
9083 2006-02-06 Ben Elliston <bje@au.ibm.com>
9085 * read-rtl.c (read_name): Terminate reading on EOF.
9087 2006-02-06 Ben Elliston <bje@au.ibm.com>
9089 * dfp.c (decimal_real_arithmetic): Change second argument type
9090 from int to enum tree_code. Do not always return true, but now
9091 return result of any call to decimal_do helper functions.
9092 * dfp.h (decimal_real_arithmetic): Update prototype.
9094 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9096 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9098 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9100 PR tree-opt/25251
9101 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9102 forced labels.
9104 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9106 * tree-vrp.c (cfg_loops): Removed.
9107 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9108 Use current_loops instead of cfg_loops. Pass flags to
9109 loop_optimizer_init.
9110 * cfgloopmanip.c (fix_loop_structure): Update only available
9111 information.
9112 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9113 loop_optimizer_init.
9114 * modulo-sched.c (build_loops_structure): Removed.
9115 (sms_schedule): Use loop_optimizer_init.
9116 * loop-init.c (loop_optimizer_init): Use flags to determine
9117 which properties of loops to prepare.
9118 (rtl_loop_init): Pass flags to loop_optimizer_init.
9119 * tree-ssa-sink.c (execute_sink_code): Ditto.
9120 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9121 * tree-ssa-pre.c (init_pre): Ditto.
9122 * cfgloop.h (LOOPS_NORMAL): New.
9123 (loop_optimizer_init): Declaration changed.
9125 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9127 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9128 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9129 pa/t-pa.
9130 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9131 pa/t-pa.
9132 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9133 pa/x-ada.
9134 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9135 * pa/t-pa64: Delete quadlib.c rule.
9136 * pa/x-ada: Revert last change.
9137 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9139 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9141 PR rtl-optimization/26087
9142 * rtlanal.c (canonicalize_condition): Do not cross basic block
9143 boundaries.
9145 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9147 PR debug/24444
9148 * config/ia64/ia64.c: Include debug.h.
9149 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9150 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9151 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9152 (process_epilogue, process_set, process_for_unwind_directive):
9153 Output unwind info only if requested. Add CFA info if requested.
9154 Add new arguments as needed. Adjust callers.
9155 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9156 incorrect default.
9157 (DWARF2_FRAME_INFO): Define to zero.
9158 * config/ia64/unwind-ia64.c: Remove code that compensated for
9159 the CFA offset error fixed above.
9160 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9161 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9162 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9163 -funwind-tables and -fexceptions to enable frame info.
9164 (dwarf2out_frame_init): Define initial CFA even if
9165 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9166 DWARF2_UNWIND_INFO is nonzero, not just defined.
9167 (dwarf2out_frame_finish): Output non-EH call frame info only
9168 if DWARF2_FRAME_INFO is nonzero.
9169 (convert_cfa_to_loc_list,
9170 compute_frame_pointer_to_cfa_displacement): Define even if
9171 unwind info is not supported.
9172 (gen_subprogram_die): Use the above unconditionally. Remove
9173 legacy alternate code.
9174 * toplev.c (compile_file): Compile in call to
9175 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9176 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9178 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9179 Jakub Jelinek <jakub@redhat.com>
9181 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9182 IBM extended float format long double as "g" on powerpc*-linux.
9184 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9186 PR target/25926
9187 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9188 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9190 2006-02-03 Jason Merrill <jason@redhat.com>
9192 PR c++/25979
9193 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9195 PR middle-end/25977
9196 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9197 on the return slot if it's an NRV.
9199 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9201 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9202 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9203 rewrite_use): Do not handle USE_OUTER.
9204 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9205 add_iv_outer_candidates, may_replace_final_value,
9206 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9207 (find_interesting_uses_op): Functionality of
9208 find_interesting_uses_outer_or_nonlin moved here.
9209 (find_interesting_uses_outside): Use find_interesting_uses_op.
9211 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9213 PR target/25960
9214 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9216 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9217 Ulrich Weigand <uweigand@de.ibm.com>
9219 PR target/25864
9220 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9221 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9222 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9223 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9224 and dxr fields.
9225 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9226 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9227 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9228 Define secondary reloads for TFmode moves.
9229 (constant_modes): Add TFmode.
9230 (NR_C_MODES): Set to 8.
9231 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9232 builtin define.
9233 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9234 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9235 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9236 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9237 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9238 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9239 (FPR mode macro): Add TFmode.
9240 (DSF mode macro): New.
9241 (<de>, <dee> mode attributes): Removed.
9242 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9243 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9244 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9245 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9246 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9247 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9248 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9249 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9250 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9251 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9252 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9253 "*negabs<mode>2", "sqrt<mode>2"):
9254 Changed <de> to <xde>. R constraint replaced by <Rf>.
9255 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9256 <Rf>.
9257 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9258 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9259 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9260 splitters.
9261 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9262 "extenddftf2", "extendsftf2"): New expanders.
9263 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9264 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9265 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9266 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9267 New options.
9268 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9269 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9270 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9271 __floatditf): Add a GCC_4.1.0 symbol version tag.
9272 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9273 the new options.
9275 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9277 PR target/25377
9278 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9279 Use targetm.binds_local_p instead of TREE_PUBLIC.
9281 2006-02-02 Roger Sayle <roger@eyesopen.com>
9283 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9284 on INTEGER_TYPEs to indicate that it denotes a character type.
9285 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9286 signed_char_type_node, unsigned_char_type_node and char_type_node.
9287 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9288 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9289 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9291 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9292 Daniel Berlin <dberlin@dberlin.org>
9294 * tree-tailcall.c (arg_needs_copy_p): New function.
9295 (eliminate_tail_call): Use arg_needs_copy_p.
9296 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9297 (add_virtual_phis): New function.
9299 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9301 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9302 #ignore instead of #scratch for %g7 .register directive.
9304 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9306 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9307 object files.
9309 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9311 * flow.c (calculate_global_regs_live): Assert that there aren't any
9312 EDGE_FAKE edges.
9314 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9316 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9317 what its name says.
9318 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9319 bsi_after_labels iterator.
9320 * tree-if-conv.c (find_phi_replacement_condition,
9321 replace_phi_with_cond_modify_expr): Likewise.
9322 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9323 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9325 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9327 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9329 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9331 PR 25990
9332 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9333 array after growing it.
9335 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9337 PR middle-end/24901
9338 * fold-const.c (fold_checksum_tree): Change type of buf.
9340 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9342 * reload.c (push_secondary_reload): Initialize t_icode.
9344 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9346 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9347 -msoft-float -mlong-double-128 only issue a warning, but don't
9348 swich to DFmode long double.
9350 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9352 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9353 has a constant equivalent, iterate over equivalents for arg0,
9354 calling simplify_relational_operation and if there's a result
9355 cheaper than X, apply fold_rtx and return the result.
9357 2006-02-01 Jan Hubicka <jh@suse.cz>
9359 * opts.c (no_unit_at_a_time_default): New global variable.
9360 (decode_options): Use it.
9361 * opts.h (no_unit_at_a_time_default): Declare.
9363 2006-02-01 Paul Brook <paul@codesourcery.com>
9365 * function.c (assign_parm_setup_reg): Use function argument promotion
9366 rules.
9367 * expr.c (expand_expr_real_1): Use function argument promotion rules
9368 for PARM_DECLs.
9370 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9372 * gcc.c (process_command): Change j to 'unsigned int'.
9374 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9376 PR middle-end/26001
9377 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9378 Use the corrected index for the character
9379 out of the string constant.
9381 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9383 * mode-switching.c (optimize_mode_switching): Fix size
9384 allocated for bb_info[n_entities].
9386 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9388 * gcc.c (main): Correct type that is allocated for
9389 explicit_link_files.
9391 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9393 * config/s390/s390.c (init_alignment_context): Set
9394 ALIAS_SET_MEMORY_BARRIER on the MEM.
9395 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9397 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9399 PR middle-end/25933
9400 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9401 dom_bbs pointer.
9402 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9403 call to tpa_init.
9405 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9407 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9408 * regrename.c: Ditto.
9409 * tree-ssa-loop-im.c: Ditto.
9410 * tree-dump.c: Ditto.
9411 * tree-complex.c: Ditto.
9412 * genrecog.c: Ditto.
9413 * tree-ssa-threadupdate.c: Ditto.
9414 * tracer.c: Ditto.
9415 * java/class.c: Ditto.
9416 * java/jcf-parse.c: Ditto.
9417 * java/resource.c: Ditto.
9418 * java/except.c: Ditto.
9419 * java/jvspec.c: Ditto.
9420 * java/jcf-write.c: Ditto.
9421 * java/jcf-path.c: Ditto.
9422 * java/gjavah.c: Ditto.
9423 * java/zextract.c: Ditto.
9424 * java/jcf-io.c: Ditto.
9425 * java/jcf.h: Ditto.
9426 * java/buffer.c: Ditto.
9427 * java/lang.c: Ditto.
9428 * java/parse-scan.y: Ditto.
9429 * java/lex.c: Ditto.
9430 * java/lex.h: Ditto.
9431 * cfgloopmanip.c: Ditto.
9432 * postreload-gcse.c: Ditto.
9433 * tree-ssa-loop-manip.c: Ditto.
9434 * postreload.c: Ditto.
9435 * tree-ssa-loop-ch.c: Ditto.
9436 * loop.c: Ditto.
9437 * ipa-cp.c: Ditto.
9438 * cppspec.c: Ditto.
9439 * diagnostic.c: Ditto.
9440 * final.c: Ditto.
9441 * genoutput.c: Ditto.
9442 * gcc.c: Ditto.
9443 * cfghooks.c: Ditto.
9444 * cfgloopanal.c: Ditto.
9445 * objc/objc-act.c: Ditto.
9446 * gcov.c: Ditto.
9447 * genextract.c: Ditto.
9448 * genautomata.c: Ditto.
9449 * pretty-print.c: Ditto.
9450 * genemit.c: Ditto.
9451 * cgraphunit.c: Ditto.
9452 * flow.c: Ditto.
9453 * df-scan.c: Ditto.
9454 * haifa-sched.c: Ditto.
9455 * dominance.c: Ditto.
9456 * dbxout.c: Ditto.
9457 * tree-ssa-loop-ivopts.c: Ditto.
9458 * df-core.c: Ditto.
9459 * mode-switching.c: Ditto.
9460 * modulo-sched.c: Ditto.
9461 * graph.c: Ditto.
9462 * ipa-pure-const.c: Ditto.
9463 * cse.c: Ditto.
9464 * fix-header.c: Ditto.
9465 * web.c: Ditto.
9466 * tree-stdarg.c: Ditto.
9467 * ipa-utils.c: Ditto.
9468 * loop-init.c: Ditto.
9469 * ipa-inline.c: Ditto.
9470 * cfganal.c: Ditto.
9471 * global.c: Ditto.
9472 * alloc-pool.c: Ditto.
9473 * dwarf2out.c: Ditto.
9474 * opts.c: Ditto.
9475 * genattrtab.c: Ditto.
9476 * tree-ssa-loop-ivcanon.c: Ditto.
9477 * predict.c: Ditto.
9478 * timevar.c: Ditto.
9479 * lcm.c: Ditto.
9480 * fortran/gfortranspec.c: Ditto.
9481 * regmove.c: Ditto.
9482 * local-alloc.c: Ditto.
9483 * langhooks.c: Ditto.
9484 * function.c: Ditto.
9485 * tree-vectorizer.c: Ditto.
9486 * gcse.c: Ditto.
9487 * ipa-type-escape.c: Ditto.
9488 * alias.c: Ditto.
9489 * tree-if-conv.c: Ditto.
9490 * profile.c: Ditto.
9491 * ipa.c: Ditto.
9492 * tree-data-ref.c: Ditto.
9493 * loop-unroll.c: Ditto.
9494 * treelang/treetree.c: Ditto.
9495 * calls.c: Ditto.
9496 * bt-load.c: Ditto.
9497 * ggc-common.c: Ditto.
9498 * except.c: Ditto.
9499 * coverage.c: Ditto.
9500 * cselib.c: Ditto.
9501 * tree-cfgcleanup.c: Ditto.
9502 * tree-ssa-pre.c: Ditto.
9503 * cfgcleanup.c: Ditto.
9504 * loop-invariant.c: Ditto.
9505 * loop-iv.c: Ditto.
9506 * ipa-prop.c: Ditto.
9507 * print-tree.c: Ditto.
9508 * conflict.c: Ditto.
9509 * ggc-page.c: Ditto.
9510 * sched-deps.c: Ditto.
9511 * regclass.c: Ditto.
9512 * tree-object-size.c: Ditto.
9513 * combine.c: Ditto.
9514 * bb-reorder.c: Ditto.
9515 * resource.c: Ditto.
9516 * var-tracking.c: Ditto.
9517 * cfgloop.c: Ditto.
9518 * df-problems.c: Ditto.
9519 * reg-stack.c: Ditto.
9520 * tlink.c: Ditto.
9521 * gccspec.c: Ditto.
9522 * sched-rgn.c: Ditto.
9523 * tree-ssa-structalias.c: Ditto.
9524 * tree-ssa-reassoc.c: Ditto.
9525 * config/darwin-c.c: Ditto.
9526 * config/darwin.c: Ditto.
9527 * config/arm/arm.c: Ditto.
9528 * cfgrtl.c: Ditto.
9529 * collect2.c: Ditto.
9530 * reload1.c: Ditto.
9532 2006-01-31 Nicolas Pitre <nico@cam.org>
9534 * arm.md (smaxsi3): Make aware of smax_m1.
9535 (smax_m1): New.
9537 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9539 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9541 2006-01-31 Richard Guenther <rguenther@suse.de>
9543 * doc/invoke.texi (-msselibm): Document.
9544 * target.h (expand_library_builtin): New target hook.
9545 * builtins.c (expand_builtin): Use expand_library_builtin.
9546 (default_expand_library_builtin): New function.
9547 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9548 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9549 (link_gcc_math_spec): Declare.
9550 (static_specs): Add link_gcc_math_spec.
9551 * expr.h (default_expand_library_builtin): Declare.
9552 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9553 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9554 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9555 * config/i386/i386.opt (msselibm): New target option.
9556 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9557 (ix86_init_sse_abi_builtins): New function.
9558 (ix86_expand_library_builtin): Likewise.
9559 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9560 (override_options): Handle error conditions wrt -msselibm.
9561 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9562 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9563 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9564 builtins.
9566 2006-01-31 Richard Guenther <rguenther@suse.de>
9567 Paolo Bonzini <bonzini@gnu.org>
9569 * doc/install.texi (--disable-libgcc-math): Document.
9571 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9573 * expr.h (expand_normal): new inline function.
9574 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9575 * dojump.c: use it.
9576 * dwarf2out.c: use it.
9577 * expr.c: use it.
9578 * calls.c: use it.
9579 * expmed.c: use it.
9580 * except.c: use it.
9581 * config/sparc/sparc.c: use it.
9582 * config/i386/i386.c: use it.
9583 * config/rs6000/rs6000.c: use it.
9584 * config/arm/arm.c: use it.
9585 * config/mips/mips.c: use it.
9586 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9588 2006-01-30 Roger Sayle <roger@eyesopen.com>
9590 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9591 argv to the appropriate type.
9593 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9595 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9596 unreachable code.
9598 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9600 PR target/26018
9601 * config/s390/s390.c (struct machine_function): New flag
9602 decomposed_literal_pool_addresses_ok_p.
9603 (s390_reorg): Set it before final stage of literal pool transforms.
9604 (s390_decompose_address): Only accept displacements of the form
9605 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9607 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9609 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9610 the comparison routine return.
9612 2006-01-30 Michael Matz <matz@suse.de>
9614 * global.c (find_reg): Only evict for global regs.
9615 Take n_refs into account and dump more info.
9617 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9619 PR target/14798:
9620 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9621 (pragma_trap, pragma_nosave_low_regs): Likewise.
9622 (current_function_anonymous_args): Likewise.
9623 (sh_deferred_function_attributes): New variable.
9624 (sh_deferred_function_attributes_tail): Likewise.
9625 (print_operand): For '@', look up trap_exit attribute.
9626 (calc_live_regs): Look up trapa_handler attribute. For trapa
9627 handlers, save/restore fpscr, but don't do any other
9628 interrupt-specific saves.
9629 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9630 Fix check for partially saved registers to check for SHmedia.
9631 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9632 (sh_output_function_epilogue): Don't clear any of the removed
9633 variables.
9634 (sh_insert_attributes): Don't check pragma_interrupt.
9635 Insert deferred attributes. Check that interrupt attribute is
9636 present for other attributes that require its presence.
9637 (sh_attribute_table): Add new attributes trapa_handler and
9638 nosave_low_regs.
9639 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9640 Don't check for pragma_interrupt. Don't store argument.
9641 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9642 (sh_deferred_function_attributes): Declare.
9643 (sh_deferred_function_attributes_tail): Likewise.
9644 * sh.md (sp_switch_1): Add operand. Change generator caller.
9645 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9646 (*return_i): Don't use when trap_exit attribute is in effect.
9647 (*return_trapa): New insn pattern.
9648 * sh-c.c: New file.
9649 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9650 setting c_target_objs and cxx_target_objs.
9651 * t-sh: Add rule for sh-c.o.
9653 2006-01-30 Richard Guenther <rguenther@suse.de>
9655 PR c++/23372
9656 * gimplify.c (gimplify_target_expr): Handle easy cases
9657 without creating a temporary.
9659 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9661 * vec.h (safe_grow): Remove duplicated line.
9663 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9665 PR 25874
9666 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9667 (expand_omp): ... here.
9668 (expand_omp_parallel): Only remove barriers for combined
9669 parallel+workshare constructs.
9671 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9673 Revert
9675 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9676 * tree.c (build_qualified_type): Chain the new type to the original
9677 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9678 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9679 (build_pointer_type_for_mode): Only return unqualified types.
9680 (build_reference_type_for_mode): Likewise.
9682 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9684 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9685 * Makefile.in (CXX_COMPAT_WARN): Define.
9686 * configure: Regenerate.
9688 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9690 PR tree-opt/25911
9691 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9692 to an if check.
9694 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9696 * toplev.c: Fix thinko.
9698 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9699 Marcin Dalecki <martin@dalecki.de>
9701 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9702 (push_srcloc): Use XNEW.
9703 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9705 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9707 * df-core.c (df_set_blocks): Deleted all variable.
9709 2006-01-28 Ian Lance Taylor <ian@airs.com>
9711 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9712 cgraph_output_pending_asms.
9714 2006-01-28 Zack Weinberg <zackw@panix.com>
9716 * c.opt: Add -W(no-)overlength-strings.
9717 * doc/invoke.texi: Document it.
9718 * c-opts.c (c_common_handle_option): -pedantic implies
9719 -Woverlength-strings, if not explicitly disabled already.
9720 (c_common_post_options): -Woverlength-strings defaults to off, and
9721 is always off for C++.
9722 * c-common.c (fix_string_type): Issue warning about strings longer
9723 than is portable only if warn_overlength_strings. Rearrange code
9724 a little for clarity.
9725 * configure.in: Check for -Wno-overlength-strings as well before
9726 enabling -pedantic in stage 1.
9727 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9728 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9730 * genconditions.c (write_header, write_one_condition)
9731 (write_conditions, write_writer): Consolidate very long strings
9732 that were broken up to fit in C89 portable limit. Don't use
9733 printf when fputs will do.
9735 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9737 * combine.c (simplify_comparison <AND>): Check
9738 TRULY_NOOP_TRUNCATION before start using a subreg.
9740 * config/mips/mips.md (*branch_zero<mode>,
9741 *branch_zero<mode>_inverted, *branch_equality<mode>,
9742 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9743 Remove mode check from comparisons.
9745 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9747 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9749 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9751 * expmed.c (const_mult_add_overflow_p): Remove.
9752 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9754 * recog.c (validate_replace_rtx_subexp): Remove.
9755 * recog.h: Remove the prototype for
9756 validate_replace_rtx_subexp.
9758 * integrate.h: Remove the prototype for
9759 copy_decl_for_inlining.
9760 * rtl.h: Remove the prototype for mark_constant_function.
9761 * tree-vectorizer.h: Remove the prototype for
9762 vect_strip_conversion.
9764 * modulo-sched.c (create_partial_schedule,
9765 free_partial_schedule, reset_partial_schedule): Make them
9766 static.
9768 * hooks.c (hook_bool_rtx_int_false): Remove.
9769 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9771 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9773 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9774 and -mlong-double-128 are incompatible.
9775 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9776 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9777 (TARGET_LIBGCC2_CFLAGS): Define.
9778 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9779 (TARGET_LIBGCC2_CFLAGS): Same.
9780 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9782 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9784 PR c/19606.
9785 * c-typeck.c (build_binary_op): Perform implicit casts of
9786 operands before shortening them.
9788 * cfgloopmanip.c (split_loop_bb): Remove.
9789 * cfgloop.h: Remove the prototype for split_loop_bb.
9791 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9792 * cfgloop.h: Remove the prototype for
9793 flow_loop_outside_edge_p.
9795 * emit-rtl.c (init_virtual_regs): Make it static.
9796 * function.h: Remove the prototype for init_virtual_regs.
9798 * recog.c (peephole2_optimize): Make it static.
9799 * recog.h: Remove the prototype for peephole2_optimize.
9801 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9803 * df-scan.c (df_record_entry_block_defs): Check if
9804 INCOMING_RETURN_ADDR_RTX is defined.
9806 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9807 Kenneth Zadeck <zadeck@naturalbridge.com>
9809 PR rtl-optimization/24762
9810 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9811 * targhooks.c (hook_void_bitmap): New hook prototype.
9812 * targhoohs.h (hook_void_bitmap): Ditto.
9813 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9814 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9815 * target.h (live_on_entry): New function pointer.
9816 * df-scan.c (df_all_hard_regs): Removed.
9817 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9818 (df_scan_free_internal): Added df->entry_block_defs.
9819 (df_scan_alloc): Ditto.
9820 (df_scan_dump): Ditto.
9821 (df_uses_record): Plumbed flag field properly thru calls.
9822 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9823 This part fixes PR24762.
9824 (df_bb_refs_record): Added code to make the frame and arg
9825 pointers live in EH blocks.
9826 (df_refs_record): Added call to df_record_entry_block_defs.
9827 (df_record_entry_block_defs): New function.
9828 * df-core.c: Added comments to describe new artifical defs.
9829 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9830 (entry_block_defs): New field in struct df.
9831 (df_all_hard_regs): Deleted.
9832 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9833 * df-problems.c (df_ru_bb_local_compute_process_def):
9834 Added code to handle artifical defs in the entry to a function.
9835 (df_ru_bb_local_compute): Ditto.
9836 (df_rd_bb_local_compute_process_def): Ditto.
9837 (df_rd_bb_local_compute): Ditto.
9838 (df_lr_bb_local_compute): Ditto.
9839 (df_ur_bb_local_compute): Ditto.
9840 (df_urec_bb_local_compute): Ditto.
9841 (df_chain_create_bb): Ditto.
9842 (df_ur_local_finalize): Removed entry.
9843 (df_urec_init): Ditto.
9844 (df_urec_local_finalize): Ditto.
9845 (df_ri_bb_compute): Added detection of last use of pseudos.
9846 * Makefile.in (df-scan.o): Updated dependencies.
9847 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9848 * config/mips/mips.c (mips_set_live_on_entry): Added.
9849 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9850 for target hook.
9851 * dce.c (marked_insn_p): Added code to handle artifical defs.
9853 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9855 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9856 intrinsic.
9857 (_mm_cvtsi128_si64): Likewise.
9858 (_mm_cvtsd_si64): Likewise.
9859 (_mm_cvttsd_si64): Likewise.
9860 (_mm_cvtsi64_sd): Likewise.
9861 (_mm_cvtsi64_si128): Likewise.
9862 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9863 (_mm_cvtsi64_m64): Likewise.
9864 (_m_to_int64): Likewise.
9865 (_mm_cvtm64_si64): Likewise.
9866 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9867 (_mm_cvttss_si64): Likewise.
9868 (_mm_cvtsi64_ss): Likewise.
9869 (_mm_cvtss_f32): Likewise.
9871 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9873 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9874 for pragma redefine_extname.
9876 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9878 PR target/25864
9879 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9880 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9881 -mno-minimal-toc to previous content.
9882 (bispecs): Remove goal.
9883 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9884 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9885 compatibility aliases on powerpc-*-*gnu*.
9886 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9887 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9888 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9889 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9890 (ldblspecs): New goal.
9891 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9892 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9893 _df_to_tf.
9894 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9895 L_sf_to_tf or L_df_to_tf is defined.
9897 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9898 Alan Modra <amodra@bigpond.net.au>
9900 PR target/25864
9901 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9902 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9903 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9904 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9905 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9906 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9907 (rs6000_override_options): Initialize rs6000_ieeequad.
9908 Initialize TFmode format to ibm_extended_format if not
9909 TARGET_IEEEQUAD.
9910 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9911 ieeelongdouble.
9912 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9913 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9914 (function_arg_advance): IBM long double passed in two FPRs, not
9915 split.
9916 (function_arg): IBM long double passed in FPRs.
9917 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9918 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9919 Only multireg GPR aligned.
9920 (rs6000_init_libfuncs): Enable IBM long double functions if not
9921 IEEEQUAD.
9922 (rs6000_generate_compare): Use IBM long double compare if not
9923 TARGET_IEEEQUAD.
9924 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9925 (TARGET_IEEEQUAD): Define.
9926 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9927 not TARGET_IEEEQUAD.
9928 * config/rs6000/rs6000.md: Enable TFmode patterns if
9929 !TARGET_IEEEQUAD.
9930 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9931 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9932 and -mlong-double-128 are incompatible.
9933 * doc/invoke.texi (-mabi): Collect options together. Add
9934 ibmlongdouble and ieeelongdouble.
9936 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9938 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9939 opaque type.
9940 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9941 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9942 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9943 * rtl.h (rtunion_def): Remove rt_ptr.
9944 (X0PTR): Delete.
9945 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9946 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9947 * config/i386/winnt.c (i386_pe_mark_dllexport)
9948 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9950 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9952 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9954 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9956 PR other/24829
9957 PR target/24831
9958 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9959 pthread_key_delete. From John David Anglin. gthrw-ify
9960 pthread_getunique_np only if it it's not a macro. Delete
9961 UNUSED macro.
9962 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9963 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9964 __gthread_objc_condition_signal, __gthread_key_delete): Add
9965 "__attribute__ ((__unused__))" to unused arguments.
9966 (__gthread_recursive_mutex_init_function): Add missing return.
9967 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9968 gthr-posix95.h: Use macro-based approach for name redirection
9969 on targets missing weakref.
9971 2006-01-26 Zack Weinberg <zackw@panix.com>
9973 * genconditions.c (write_header): In generated code, #ifdef out
9974 all includes and fake declarations, except includes of bconfig.h
9975 and system.h, unless GCC_VERSION >= 3001. Do not include
9976 gensupport.h in any case.
9977 (write_conditions): Generate a definition of struct c_test. Add
9978 a comment to the generated #endif.
9979 (write_one_condition): Escape backslashes in string too.
9980 (write_writer): Generated code must escape backslashes and quote
9981 marks (but not newlines) in the strings it writes.
9982 * Makefile.in (build/gencondmd.o): Update dependencies.
9984 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9986 PR target/25961
9987 * Makefile.in (insn-automata.o): Add header file dependencies.
9988 * genautomata.c: Add includes.
9990 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9992 PR target/25961
9993 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9995 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9997 * configure.ac: Expect target tools paths to be passed from the toplevel
9998 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9999 AS_SET_VAR_IF.
10000 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10002 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10004 PR c/25892
10005 * c.opt (Wpointer-sign): Init to -1.
10006 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10007 OPT_pedantic, to 0 otherwise.
10008 * doc/invoke.texi: Update.
10010 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10012 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10013 constants provided by 80387 instructions in the destination mode.
10015 2006-01-26 Richard Guenther <rguenther@suse.de>
10016 Andrew Pinski <pinskia@physics.uc.edu>
10018 PR tree-opt/21470
10019 partial PR tree-opt/17064
10020 * tree-ssa-structalias.c (intra_create_variable_infos):
10021 Create heap variables for incoming parameters if
10022 flag_argument_noalias > 1.
10023 (find_what_p_points_to): Look through default defs of
10024 parameter decls.
10026 2006-01-26 Jeff Law <law@redhat.com>
10028 PR ada/25900
10029 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10030 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10031 within the VR_RANGE, use the VR_RANGE as the result, not the
10032 VR_ANTI_RANGE.
10033 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10034 bounds for the type.
10036 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10038 * tree-ssa-alias.c (maybe_create_global_var): Change
10039 subvar walking to an assertion that we don't have subvar'd variables.
10041 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10043 PR C/25861
10044 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10045 Use a new variable, inner. PARM_DECLs are always non-weak.
10047 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10049 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10050 --disable-checking.
10052 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10054 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10056 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10058 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10059 (smax_insn, smin_insn, smax_0, smin_0): New.
10061 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10063 PR target/25947
10064 * config/cris/cris.c (cris_order_for_addsi3): New function.
10065 * config/cris/cris-protos.h: Prototype it.
10066 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10067 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10068 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10069 (split for "op.S1 [rx=rx+i],ry (swapped)")
10070 (split for "op(s|u).S1 [rx=rx+i],ry")
10071 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10072 Apply cris_order_for_addsi3 when generating addsi3 insns.
10074 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10076 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10077 (TREE_BLOCK): Add call to EXPR_CHECK.
10079 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10081 PR 25886
10082 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10083 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10084 (dump_omp_clauses): ... here.
10085 (dump_generic_node): Handle OMP_CLAUSE.
10086 * tree.c (omp_clause_num_ops): New.
10087 (omp_clause_code_name): New.
10088 (tree_code_size): Handle OMP_CLAUSE.
10089 (tree_size): Likewise.
10090 (make_node): Document handling of OMP_CLAUSE.
10091 (tree_node_structure): Handle OMP_CLAUSE.
10092 (omp_clause_check_failed): New.
10093 (omp_clause_range_check_failed): New.
10094 (omp_clause_operand_check_failed): New.
10095 (build_omp_clause): New.
10096 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10097 * tree.h (enum omp_clause_code): Declare.
10098 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10099 (OMP_CLAUSE_RANGE_CHECK): Define.
10100 (OMP_CLAUSE_ELT_CHECK): Define.
10101 (omp_clause_check_failed): Declare.
10102 (omp_clause_operand_check_failed): Declare.
10103 (omp_clause_range_check_failed): Declare.
10104 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10105 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10106 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10107 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10108 (OMP_CLAUSE_IF_EXPR): Likewise.
10109 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10110 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10111 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10112 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10113 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10114 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10115 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10116 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10117 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10118 (OMP_CLAUSE_CODE): Define.
10119 (OMP_CLAUSE_SET_CODE): Define.
10120 (OMP_CLAUSE_CODE): Define.
10121 (OMP_CLAUSE_OPERAND): Define.
10122 (struct tree_omp_clause): Declare.
10123 (union tree_node): Add field 'omp_clause'.
10124 * treestruct.def (TS_OMP_CLAUSE): Define.
10125 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10126 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10127 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10128 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10129 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10130 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10131 (OMP_CLAUSE): Define.
10132 * print-tree.c (print_node): Handle OMP_CLAUSE.
10133 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10134 * c-typeck.c: Likewise.
10135 * gimplify.c: Likewise.
10136 * c-omp.c: Likewise.
10137 * tree-nested.c: Likewise.
10138 * tree-inline.c: Likewise.
10139 * c-parser.c: Likewise.
10140 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10141 clauses.
10143 2006-01-25 Roger Sayle <roger@eyesopen.com>
10145 PR rtl-optimization/25703
10146 * combine.c (try_combine): Handle zero_extract and strict_low_part
10147 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10149 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10151 * global.c: Fix comment typos.
10153 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10155 PR target/25758
10156 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10157 Use output_addr_const instead of assemble_name.
10159 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10161 * Makefile.in (sched-vis.o): Update dependencies.
10162 * haifa-sched.c (sched_finish): Clear current_sched_info.
10163 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10164 (dump_flow_info): Call it.
10165 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10166 a slim RTL dump.
10167 * basic-block.h (dump_bb_info): Declare.
10168 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10169 option, and apply options only for dump files whose TDF_RTL,
10170 TDF_TREE, or TDF_IPA bits match.
10171 * rtl.h: Declare new functions exported from sched-vis.c.
10172 * sched-vis.c: Enable also if scheduling is not used.
10173 (print_value): Print the mode of registers if not inside scheduling.
10174 (print_insn): Make it work outside the scheduler. Beautify the output
10175 a bit.
10176 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10178 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10180 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10181 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10182 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10183 depending on the value of CONSTANT_POOL_ADDRESS_P.
10184 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10185 SYMBOL_REF_DECL.
10186 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10187 rather than SYMBOL_REF_DECL.
10188 (rtx_constant_pool): Remove const_rtx_sym_htab.
10189 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10190 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10191 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10192 Remove handling of const_rtx_sym_htab.
10193 (find_pool_constant): Delete.
10194 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10195 rather than find_pool_constant.
10196 (get_pool_constant_for_function): Delete.
10197 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10198 find_pool_constant.
10199 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10200 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10201 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10202 (SYMBOL_REF_CONSTANT): New macro.
10203 (get_pool_constant_for_function): Delete.
10204 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10205 rather than SYMBOL_REF_DECL.
10206 (i386_pe_mark_dllimport): Likewise.
10207 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10208 rather than SYMBOL_REF_DECL.
10209 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10210 (machopic_indirect_call_target): Likewise.
10212 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10214 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10216 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10218 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10220 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10222 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10224 2006-01-24 David Daney <ddaney@avtrex.com>
10226 PR java/25816
10227 * configure.ac (enable_tls): New enable option.
10228 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10229 * configure: Regenerate.
10230 * doc/install.texi (--enable-tls): Document new option.
10231 (--disable-tls): Ditto.
10233 2006-01-24 Richard Henderson <rth@redehat.com>
10235 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10236 * alias.c (true_dependence): Respect it.
10237 (canon_true_dependence, write_dependence_p): Likewise.
10238 * builtins.c (get_builtin_sync_mem): Set it.
10240 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10242 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10243 efficient way.
10245 2006-01-24 DJ Delorie <dj@redhat.com>
10247 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10248 for storing constants in single-bit bitfields.
10250 2006-01-25 Ben Elliston <bje@au.ibm.com>
10252 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10254 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10256 PR tree-opt/25860
10257 * tree-ssa-pre.c (phi_translate): Return NULL
10258 for AGGREGATE_TYPE's.
10260 2006-01-24 Zack Weinberg <zackw@panix.com>
10262 * genautomata.c (process_state_for_insn_equiv_partition):
10263 Use xcalloc for insn_arcs_array.
10264 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10265 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10267 2006-01-24 Richard Henderson <rth@redhat.com>
10269 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10270 update all callers.
10272 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10274 PR rtl-optimization/25890
10275 PR rtl-optimization/25905
10276 * combine.c (expand_compound_operation, expand_field_assignment):
10277 Fail if the bitfield's final position is out of bounds.
10279 2006-01-24 Ian Lance Taylor <ian@airs.com>
10281 PR middle-end/25930
10282 * cgraphunit.c (cgraph_output_in_order): Don't clear
10283 cgraph_asm_nodes until after asm strings have been output.
10285 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10287 * fix-header.c (read_scan_file): Add new parameter imultilib when
10288 calling register_include_chains.
10290 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10292 * omp-low.c: Update documentation.
10294 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10295 Daniel Berlin <dberlin@dberlin.org>
10297 PR tree-opt/25315
10298 PR tree-opt/25857
10299 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10300 return from the function.
10302 2006-01-22 Zack Weinberg <zackw@panix.com>
10304 * rtl.def (match_code): Add second argument.
10305 * genpreds.c (write_extract_subexp): New function.
10306 (write_match_code): Add path argument. Use write_extract_subexp.
10307 (write_predicate_expr): Pass path to write_match_code.
10308 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10309 not perform a mode test.
10310 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10311 a subexpression does not constrain the top-level code set.
10312 * read-rtl.c (read_rtx_variadic): New function.
10313 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10314 * doc/md.texi: Document new notation.
10315 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10316 (cmpsi_operand): ... here, using new notation.
10318 2006-01-22 Zack Weinberg <zackw@panix.com>
10320 * varray.c: Remove GENERATOR_FILE #ifdefs.
10322 2006-01-22 Zack Weinberg <zackw@panix.com>
10324 * genautomata.c (output_reserved_units_table): Emit nothing if
10325 description->query_units_num is zero. Remove extra blank line.
10326 (output_cpu_unit_reservation_p): Short circuit
10327 if description->query_units_num is zero.
10329 2006-01-22 Zack Weinberg <zackw@panix.com>
10331 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10332 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10333 nor any of the random handful of variables that used to be necessary
10334 when this program was linked with rtlanal.o. Prune set of forward
10335 function declarations.
10336 (struct attr_desc): Remove static_p field.
10337 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10338 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10339 (attr_string): Do not read the character one past the length of
10340 the string.
10341 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10342 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10343 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10344 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10345 (make_automaton_attrs): New.
10346 (main): Do not call into genautomata. Call local gen_bypass
10347 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10348 Remove special case for insn_alts.
10349 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10350 varray.h (leftover from previous change). Prune set of forward
10351 function declarations. Remove state_alts fields from all
10352 structures. Remove state_alts_table from struct automaton.
10353 Make everything except main static. Do not maintain num_dfa_decls.
10354 Do not maintain state_alts fields of various structures.
10355 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10356 (add_arc): Remove state_alts argument. All callers updated.
10357 (output_reserved_units_table): Emit #ifdef here...
10358 (output_tables): ...not here. Don't generate state_alts tables.
10359 (expand_automata): Don't generate attributes.
10360 (write_automata): Don't generate state_alts functions.
10361 (main): New function.
10362 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10363 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10364 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10365 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10366 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10367 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10368 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10369 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10370 Delete.
10371 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10372 * genattrtab.h: Delete file.
10373 * Makefile.in (OBJS-common): Add insn-automata.o.
10374 (insn-automata.o): New rule.
10375 (simple_generated_c): Add insn-automata.c.
10376 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10377 (genprogmd): Add automata.
10378 (build/genattrtab): Needs no extra objects nor libraries.
10379 (build/genautomata): Needs build/vec.o and -lm.
10381 2006-01-22 Zack Weinberg <zackw@panix.com>
10383 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10384 (output_dfa_max_issue_rate, locked_states_num): Delete.
10385 (struct automaton): Add locked_states field.
10386 (output_dead_lock_vect): Save number of locked states in
10387 automaton->locked_states. If it is zero, don't print anything.
10388 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10389 (output_internal_dead_lock_func): Only test the dead_lock_vect
10390 for automata that have locked states.
10391 (output_statistics): Always print the number of locked states for
10392 each automaton. Calculate total number of locked states here.
10393 (write_automata): Don't call output_dfa_max_issue_rate.
10394 * genattrtab.c: Define length_unit_log as a const variable.
10395 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10396 max_insn_queue_index const.
10397 * final.c (length_unit_log): Declare const.
10398 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10400 2006-01-22 Zack Weinberg <zackw@panix.com>
10402 * genautomata.c: Include vec.h, not varray.h.
10403 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10404 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10405 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10406 VEC_* macros operating on appropriately typed vectors, or to
10407 malloced arrays when the size is known in advance. Const-ify
10408 many char* variables and function arguments. No functional changes.
10409 * Makefile.in (build/varray.o): Delete rule.
10410 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10411 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10413 2006-01-22 Zack Weinberg <zackw@panix.com>
10415 * gensupport.c: Define get_insn_name and record_insn_name here.
10416 (read_md_rtx): Call record_insn_name as appropriate.
10417 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10418 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10419 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10420 record_insn_name.
10421 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10422 (BUILD_VARRAY): Delete.
10423 (genprognormal): Rename genprogmd. Fold in all programs from
10424 genprognoprint; also attrtab.
10425 (build/genattrtab): Just mention genautomata.o and varray.o.
10426 Reorganize a bit, add comments to make the categories clearer.
10428 2006-01-22 Zack Weinberg <zackw@panix.com>
10430 * genconditions.c (condition_table, add_condition): Delete.
10431 (write_conditions): Don't emit n_insn_conditions nor
10432 insn_elision_unavailable. Issue the gcc version #ifdef here,
10433 inside the table, with no #else clause ...
10434 (write_header): ...not here.
10435 (write_writer): New function.
10436 (main): Don't initialize condition_table. Use add_c_test.
10437 Call write_writer.
10438 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10439 files on the command line.
10440 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10441 Return -1 if there is no entry in the table, don't abort.
10442 (add_c_test, traverse_c_tests): New functions.
10443 * gensupport.h (insn_elision_unavailable, insn_conditions)
10444 (n_insn_conditions): Delete declarations.
10445 (add_c_test, traverse_c_tests): Declare.
10446 * read-rtl.c: Include gensupport.h.
10447 (read_conditions): New function.
10448 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10449 (read_rtx_1): If we get EOF when we were looking for an initial
10450 open paren, return 0. Call read_conditions when appropriate.
10451 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10452 dummy-conditions.o. Eliminate references to insn-conditions.o,
10453 or change them to build/gencondmd.o, as appropriate. Remove
10454 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10455 from $(simple_generated_c). For all files remaining in those
10456 two lists, add insn-conditions.md to the generator command line.
10457 Give insn-constants.h/s-constants their own rules. Add rules
10458 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10459 (build/read-rtl.o): Depend on gensupport.h.
10460 (genprognormal): Include preds.
10461 (genprogearly): Rename genprognoprint; only difference is now that
10462 they don't link with $(BUILD_PRINT).
10463 * dummy-conditions.c: Delete.
10465 2006-01-22 Zack Weinberg <zackw@panix.com>
10467 * genextract.c: Don't include insn-config.h. Do include vec.h.
10468 Declare vectors of int, char, and locstr.
10469 (locstr): New typedef.
10470 (struct extraction): Make all array fields into bare pointers.
10471 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10472 (insn_code_number): Delete.
10473 (accum_extract): New struct.
10474 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10475 (gen_insn): Take insn_code_number as an argument. Use an
10476 accum_extract structure instead of loading data directly into
10477 a struct extraction, and having to know how big it might get.
10478 (walk_rtx): Operate entirely on an accum_extract structure.
10479 (print_path): Avoid unnecessary use of printf.
10480 (print_header): New function, split out of main. Distinguish
10481 more carefully between an unrecognizable insn and an insn that
10482 has the code number of a define_expand.
10483 (main): Pass insn_code_number to gen_insn. Call print_header
10484 only after parsing. Avoid unnecessary use of printf.
10485 * Makefile.in (build/vec.o): New rule.
10486 (build/genextract): Depend on build/vec.o.
10487 (build/genextract.o): Don't depend on insn-config.h.
10489 2006-01-22 Zack Weinberg <zackw@panix.com>
10491 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10492 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10493 practical. Eliminate per-generator-program link rules.
10495 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10497 PR middle-end/24437
10498 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10499 with a call expr to ...
10500 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10502 2006-01-23 Richard Guenther <rguenther@suse.de>
10504 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10505 before make_edge with conditional EDGE_TRUE_VALUE.
10507 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10508 Jan Hubicka <jh@suse.cz>
10509 Richard Guenther <rguenther@suse.de>
10511 PR rtl-optimization/25654
10512 * cfgexpand.c (aggregate_contains_union_type): New function.
10513 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10514 for structure variables that contain a union type.
10516 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10518 * gengtype.c (new_structure): Return the structure.
10519 (create_option): Add an extra "next" argument.
10520 (create_field): New function.
10521 (adjust_field_rtx_def): Use create_option and create_field.
10522 Remove a now-unnecessary call to find_structure.
10523 (adjust_field_tree_def): Likewise.
10524 (note_yacc_type): Remove an unnecessary call to find_structure.
10525 * gengtype.h (new_structure): Return the structure.
10526 (create_option): Add an extra argument.
10527 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10528 (option): Adjust calls to create_option.
10530 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10532 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10534 2006-01-22 Paul Brook <paul@codesourcery.com>
10535 Peter Barada <peter@the-baradas.com>
10537 * config/m68k/m68k.md: Add Coldfire FPU support.
10538 Define FP mode macro and associated attributes.
10539 Use it for float mode patterns.
10540 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10541 (LIBCALL_VALUE): Use m68k_libcall_value.
10542 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10543 (m68k_function_value): Ditto.
10544 (emit_move_sequence): Ditto.
10545 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10546 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10547 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10548 (MULTILIB_EXCEPTIONS): Ditto.
10549 * config/m68k/m68k.opt: Add mcfv4e.
10550 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10551 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10552 (m68k_output_function_prologue): Save ColdFire FPU registers.
10553 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10554 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10555 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10556 ColdFire FPU registers.
10557 (m68k_libcall_value, m68k_function_value): New functions.
10558 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10559 (LIBCALL_VALUE): Use m68k_libcall_value.
10560 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10561 (MASK_COLDFIRE): Add MASK_CFV4E.
10562 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10563 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10564 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10565 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10566 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10567 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10568 * doc/invoke.tex: Document -mcfv4e on m68k.
10570 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10572 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10573 URL.
10575 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10577 PR c++/16190
10578 * c-opts.c (c_common_handle_option): Don't include
10579 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10580 * doc/invoke.texi (C++ Dialect Options): Document that
10581 -Wnon-virtual-dtor is no longer included in -Wall.
10583 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10585 * gcov.c (print_version), gcov-dump.c (print_version),
10586 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10587 dates.
10589 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10591 * df-scan.c (problem_SCAN): Added NULL reset function.
10592 (df_scan_reset_blocks): Added code to call reset block function
10593 (df_bb_refs_delete) Fixed comment.
10594 (df_insn_refs_delete): Made tolerant of deleting non existent info
10595 for dataflow problems that need to be reset.
10596 * df-core.c (df_set_blocks): Ditto.
10597 * df.h (struct df_problem): Added reset_fun.
10598 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10599 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10600 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10601 functions to clear out all references to def-use or use-def chains.
10603 2006-01-21 Ben Elliston <bje@au.ibm.com>
10605 * varasm.c (assemble_real): Initialise data array.
10607 2006-01-20 Paul Brook <paul@codesourcery.com>
10609 Merge from csl-arm-branch.
10610 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10611 * config/arm/arm.md (movdi): Force operands[1] to a register
10612 if we have a non-register source.
10613 (*arm_movdi, *movdf_soft_insn): Require that one of the
10614 operands be a register.
10615 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10616 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10618 2006-01-20 DJ Delorie <dj@redhat.com>
10620 * varasm.c (initializer_constant_valid_p): Allow pointers
10621 initialized from integer constants of lesser precision.
10622 (output_constant): Allow non-int-sized pointer modes to be
10623 initialized from integer constants.
10625 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10627 PR libstdc++/25524
10628 * cppdefault.h (struct default_include): Add multilib flag.
10629 * cppdefault.c (cpp_include_defaults): Set it.
10630 * c.opt (-imultilib): New option.
10631 * c-opts.c (imultilib): New.
10632 (c_common_handle_option): Handle -imultilib.
10633 (c_common_post_options): Likewise.
10634 * c-incpath.c (add_standard_paths, register_include_chains):
10635 Likewise.
10636 * c-incpath.h (register_include_chains): Add extra parameter.
10637 * gcc.c (do_spec_1): Generate -imultilib option.
10638 (The Specs Language): Update %I description.
10639 (process_command): Update copyright notice.
10640 * doc/cppopts.texi (-imultilib): Document.
10641 * doc/invoke.texi (-imultilib): Include in option summary.
10642 (%I): Update specs documentation.
10644 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10646 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10648 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10650 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10651 label numbers.
10653 2006-01-20 Richard Guenther <rguenther@suse.de>
10654 Steven Bosscher <stevenb.gcc@gmail.com>
10656 PR rtl-optimization/24626
10657 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10658 EDGE_TRUE_VALUE if in RTL mode.
10660 Revert
10661 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10662 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10664 2006-01-20 Dirk Mueller <dmueller@suse.com>
10666 PR c++/5520
10667 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10668 instead of a special NOP marker.
10669 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10670 NOP marker handling.
10671 * c-common.h (empty_body_warning): Add forward declaration.
10672 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10673 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10675 2006-01-20 Paul Brook <paul@codesourcery.com>
10677 * Makefile.in (lang_checks): Keep going if mkdir fails.
10679 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10681 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10682 be able to clean out basic block when not necessary.
10683 (df_scan_free): Fixed to properly delete information if df is
10684 unused before calling df_finish.
10685 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10686 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10687 or comment typos.
10688 (df_bb_refs_delete): New function.
10689 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10690 * df-core.c (df_set_blocks): Added code to properly clean out
10691 unused blocks if they are not part of the blocks to consider.
10692 Added additional null check.
10693 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10694 be able to clean out basic block when not necessary
10695 * df.h (df_free_bb_function): Ditto.
10696 (df_bb_refs_delete): New function.
10697 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10698 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10699 basic block parameter to be able to clean out basic block when not
10700 necessary.
10701 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10702 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10703 Fixed to properly delete information if df is unused before
10704 calling df_finish.
10706 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10708 PR rtl-optimization/25799
10709 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10710 Corrected confluence operator to remove bits from op2 before oring
10711 with op1 rather than removing bits from op1.
10712 (df_ru_transfer_function): Corrected test on wrong bitmap which
10713 caused infinite loop. Both of these problems were introduced in
10714 the dataflow rewrite.
10716 2006-01-19 DJ Delorie <dj@redhat.com>
10718 * reload1.c (find_reload_regs): Note the details of reload
10719 failures in the dump file.
10720 (spill_failure): Likewise.
10722 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10724 * loop-iv.c: Include df.h and hashtab.h.
10725 (enum iv_grd_result): New enum.
10726 (DF_REF_IV, DF_REF_IV_SET): New macros.
10727 (struct biv_entry): New.
10728 (df, bivs): New global variables.
10729 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10730 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10731 Removed.
10732 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10733 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10734 analyzed_for_bivness_p, record_biv): New functions.
10735 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10736 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10737 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10738 UD chains.
10739 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10740 analysed.
10741 (iv_number_of_iterations): Use new interface to iv analysis.
10742 * loop-unroll.c: Do not include varray.h.
10743 (analyze_iv_to_split_insn): Use new interface to iv
10744 analysis.
10745 * loop-unswitch.c (may_unswitch_on): Ditto.
10746 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10747 allocated.
10748 (df_bb_modify): Realloc tables to the new index.
10749 (df_find_use): New function.
10750 * df.h (df_find_use): Declare.
10751 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10752 outmode.
10753 * cfgloop.h (struct rtx_iv): Remove analysed field.
10754 (iv_get_reaching_def): Removed.
10755 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10756 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10757 (loop-iv.o): Add df.h and hashtab.h dependency.
10758 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10760 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10762 PR target/25668
10763 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10764 Double TFmode.
10765 (__floatundisf, __floatundidf): Likewise.
10766 * libgcc2.h (IS_IBM_EXTENDED): Define.
10768 2006-01-19 DJ Delorie <dj@redhat.com>
10770 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10772 2006-01-19 Paul Brook <paul@codesourcery.com>
10774 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10775 as nothrow when unwinding tables are disabled.
10777 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10779 PR testsuite/25171
10780 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10781 of bit-field" when in system header.
10783 2006-01-19 DJ Delorie <dj@redhat.com>
10785 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10786 the 16 bit shift limit of the m16c.
10788 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10790 PR target/22099
10791 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10792 * config/i386/i386.c (output_set_got): Output the label if we have one
10793 for the TARGET_DEEP_BRANCH_PREDICTION case.
10795 2006-01-19 Jan Hubicka <jh@suse.cz>
10796 H.J. Lu <hongjiu.lu@intel.com>
10797 Evandro Menezes <evandro.menezes@amd.com>
10799 * invoke.texi (generic): Document
10800 (i686) Update.
10801 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10802 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10803 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10804 (x86_use_incdec, x86_pad_returns): New variables
10805 (TARGET_CPU_DEFAULT_generic): New constant
10806 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10807 (enum processor_type): Add generic32 and generic64.
10808 * i386.md (cpu attribute): Add generic32/generic64
10809 (movhi splitter): Behave sanely when both partial_reg_dependency and
10810 partial_reg_stall are set.
10811 (K8 splitters): Enable for generic as well.
10812 * predicates.md (incdec_operand): Use TARGET_INCDEC
10813 (aligned_operand): Avoid memory mismatch stalls.
10814 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10815 * ppro.md: Enable for generic32
10816 * i386.c (generic64_cost, generic32_cost): New.
10817 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10818 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10819 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10820 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10821 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10822 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10823 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10824 x86_accumulate_outgoing_args, x86_prologue_using_move,
10825 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10826 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10827 Enable for generic.
10828 (x86_use_incdec, x86_pad_returns): New.
10829 (override_options): Add generic32 and generic64, translate "generic"
10830 to generic32/generic64 and "i686" to "generic32", refuse
10831 "generic32"/"generic64" as arch target.
10832 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10833 (ix86_reorg): Honor PAD_RETURNS.
10835 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10837 * tree-pretty-print.c (dump_generic_node): Handle
10838 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10839 * cgraph.c (cgraph_expand_queue): Rename from
10840 cgraph_analyze_queue. Update all users.
10841 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10842 cgraph_expand_queue.
10843 (cgraph_expand_all_functions): Likewise.
10844 (cgraph_finalize_pending_functions): Remove. Update callers.
10846 * tree.h (OMP_DIRECTIVE_P): Define.
10847 (OMP_PARALLEL_FN): Define.
10848 (OMP_PARALLEL_DATA_ARG): Define.
10849 (OMP_SECTIONS_SECTIONS): Define.
10850 * tree-pass.h (pass_expand_omp): Declare.
10851 * omp-low.c (struct omp_region): Declare.
10852 (struct omp_context): Remove fields 'parallel_type',
10853 'parallel_start_ix' and 'parallel_start_additional_args'.
10854 Update all users.
10855 (struct omp_for_data): Rename from struct expand_omp_for_data.
10856 (omp_regions): New static variable.
10857 (root_omp_region): New static variable.
10858 (find_omp_clause): Make static.
10859 (is_in_combined_parallel_ctx): Remove.
10860 (is_combined_parallel): New.
10861 (extract_omp_for_data): Move earlier in the file.
10862 (workshare_safe_to_combine_p): New.
10863 (get_ws_args_for): New.
10864 (determine_parallel_type): Move earlier in the file.
10865 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10866 child function.
10867 (omp_copy_decl): Likewise.
10868 (create_omp_child_function): Likewise.
10869 (lookup_omp_region): New.
10870 (dump_omp_region): New.
10871 (debug_omp_region): New.
10872 (debug_all_omp_regions): New.
10873 (new_omp_region): New.
10874 (scan_omp_parallel): If parallel_nesting_level > 1, the
10875 directive is nested within another parallel directive.
10876 Set OMP_PARALLEL_FN.
10877 (scan_omp_for): Do not try to handle combined parallel+for
10878 cases.
10879 Remove FIXME comment.
10880 (scan_omp_nested): Remove.
10881 (scan_omp_1): Do not call scan_omp_nested when
10882 parallel_nesting_level is > 1.
10883 Do not change the DECL_CONTEXT of local variables found.
10884 (lookup_decl_in_outer_ctx): New.
10885 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10886 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10887 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10888 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10889 If CTX is nested, lookup VAR in the outer context when
10890 building copy assignment.
10891 (lower_send_clauses): Rename from expand_send_clauses.
10892 If CTX is nested, lookup VAR in the outer context when
10893 building copy assignments.
10894 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10895 If CTX is nested, lookup VAR in the outer context when
10896 building copy assignments.
10897 (expand_parallel_call): Rename from build_parallel_call.
10898 Handle combined parallel+workshare cases.
10899 Re-implement to emit code into the CFG.
10900 (list2chain): New.
10901 (expand_omp_parallel): Re-implement to emit code into the CFG.
10902 Call move_sese_region_to_fn to outline the sub-graph
10903 containing the parallel region.
10904 (expand_omp_for_1): Remove.
10905 (expand_omp_for_generic): Re-implement to emit code into the
10906 CFG.
10907 (expand_omp_for_static_nochunk): Likewise.
10908 (expand_omp_for_static_chunk): Likewise.
10909 (expand_omp_for): Likewise.
10910 (expand_omp_sections): Likewise.
10911 (remove_exit_barriers): New.
10912 (expand_omp_synch): New.
10913 (expand_omp): New.
10914 (build_omp_regions_1): New.
10915 (build_omp_regions): New.
10916 (execute_expand_omp): New.
10917 (gate_expand_omp): New.
10918 (pass_expand_omp): Define.
10919 (lower_omp_sections): Rename from expand_omp_sections.
10920 Set OMP_SECTIONS_SECTIONS.
10921 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10922 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10923 (lower_omp_single): Rename from expand_omp_simple.
10924 (lower_omp_master): Rename from expand_omp_master.
10925 (lower_omp_ordered): Rename from expand_omp_ordered.
10926 (lower_omp_critical): Rename from expand_omp_critical.
10927 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10928 (lower_omp_for): Re-implement.
10929 (lower_omp_parallel): Re-implement.
10930 (lower_regimplify): Rename from expand_regimplify.
10931 (lower_omp_1): Rename from expand_omp_1.
10932 If there are syntax errors in the program, replace every
10933 OpenMP directive with NOP.
10934 Call lower_omp_* instead of expand_omp_*.
10935 (lower_omp): Rename from expand_omp.
10937 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10938 * tree-gimple.h (enum omp_parallel_type): Remove.
10939 (gimple_boolify): Declare extern.
10940 (find_omp_clause, determine_parallel_type): Remove.
10942 * gimple-low.c (lower_omp_directive): New.
10943 (lower_stmt): Call it.
10944 (record_vars_into): Move from ...
10945 (record_vars): ... here.
10946 Call record_vars_into with current_function_decl.
10948 * gimplify.c (struct gimplify_ctx): Remove fields
10949 combined_pre_p and combined_ctxp. Update users.
10950 (get_formal_tmp_var): Add documentation.
10951 (gimple_boolify): Make extern.
10952 (gimplify_expr_in_ctx): Remove. Update callers.
10953 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10954 will always be a BIND_EXPR.
10955 (gimplify_expr): Handle OMP_RETURN_EXPR.
10956 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10957 (OMP_PARALLEL): Add 3 operands.
10958 (OMP_SECTIONS): Add 1 operand.
10959 (OMP_RETURN_EXPR): Define.
10961 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10962 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10963 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10964 creating a circular free list.
10965 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10967 * tree-flow.h (move_sese_region_to_fn): Declare.
10968 (record_vars_into): Declare.
10969 * tree-cfg.c (make_omp_sections_edges): New.
10970 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10971 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10972 OMP_SECTIONS and OMP_SECTION.
10973 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10974 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10975 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10976 (gather_blocks_in_sese_region): New.
10977 (struct move_stmt_d): Declare.
10978 (move_stmt_r): New.
10979 (move_block_to_fn): New.
10980 (move_sese_region_to_fn): New.
10982 * passes.c (init_optimization_passes): Schedule
10983 pass_expand_omp after pass_init_datastructures.
10985 * tree-ssa-operands.c (get_expr_operands): Handle
10986 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10987 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10989 2006-01-19 Jeff Law <law@redhat.com>
10991 * tree-vrp.c (extract_range_from_assert): Refine the result range
10992 if the variable referenced by the ASSERT_EXPR has a range and
10993 either the tentative result range or the previous range is a
10994 VR_ANTI_RANGE.
10996 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10998 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11000 2006-01-19 Jan Hubicka <jh@suse.cz>
11002 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11004 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11006 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11007 (expand_compound_operation, expand_field_assignment): Fail if the
11008 bit lengths of an extract operation are out of range.
11009 (make_extraction): Compute wanted_inner_mode based on the position
11010 and length of the extraction. Make it extraction_mode for non-constant
11011 positions, and do not modify offset in that case. When generating a
11012 new MEM, use a mode that can hold the extraction while keeping correct
11013 alignment. Remove code that supported MEMs wrapped by USEs.
11014 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11016 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11018 * config/s390/s390.md ("Y", "y"): New mode attribute.
11019 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11020 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11021 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11022 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11023 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11024 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11025 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11026 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11027 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11028 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11029 "addsi3", "subsi3"): Insn patterns removed.
11030 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11031 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11032 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11033 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11034 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11035 "*sub<mode>3_cconly2"): New insn patterns.
11036 ("addsi3", "subsi3"): New expanders.
11038 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11040 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11041 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11042 existing STMT_VINFO_VECTYPE if available.
11043 (vect_mark_relevant): Add special handling for stmts that are
11044 marked as STMT_VINFO_IN_PATTERN_P.
11045 (vect_analyze_loop): Call vect_pattern_recog.
11046 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11047 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11048 stmt_info.
11049 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11050 (vect_recog_func_ptr): New function-pointer type.
11051 * tree-vect-patterns.c: New file.
11052 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11053 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11054 (vect_pattern_recog_1): New functions.
11055 (vect_pattern_recog_funcs): New array of function pointers.
11057 * tree-vectorizer.h (ternary_op): New enum value.
11058 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11059 declaration. Revised documentation. Removed redundant dump prints.
11060 Removed redundant argument. Added support for reduction patterns.
11061 (vectorizable_reduction): Added support for reduction patterns.
11062 (vect_transform_stmt): Added support for patterns.
11064 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11065 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11066 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11067 (expand_widen_pattern_expr): New function.
11068 (init_optabs): Initialize new optabs udot_prod_optab,
11069 sdot_prod_optab.
11070 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11071 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11072 (expand_widen_pattern_expr): New function declaration.
11073 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11074 tree-codes.
11075 * tree-inline.c (estimate_num_insns_1): Added cases for new
11076 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11077 * tree-pretty-print.c (dump_generic_node): Likewise.
11078 (op_prio): Likewise.
11079 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11080 * tree-ssa-operands.c (get_expr_operands): Added case for
11081 DOT_PROD_EXPR.
11082 * tree-vect-patterns.c (widened_name_p): New function.
11083 (vect_recog_dot_prod_pattern): Added function implementation.
11084 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11085 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11086 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11087 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11089 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11090 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11091 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11092 (init_optabs): Initialize new optabs widen_ssum_optab,
11093 widen_usum_optab.
11094 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11095 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11096 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11097 use instead of type of def.
11098 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11099 function implementation.
11100 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11101 widen_ssumv8hi): New.
11103 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11104 patterns.
11106 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11108 PR c/25805
11109 * c-decl.c (add_flexible_array_elts_to_size): New function.
11110 (finish_decl): Use it.
11112 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11114 * diagnostic.h: Include options.h.
11115 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11116 dependancies for diagnostic.h.
11117 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11119 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11121 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11122 (ssa_ro_call_cache_valid): Ditto.
11123 * tree-ssa-alias.c (sort_tags_by_id): New function.
11124 (init_transitive_clobber_worklist): Ditto.
11125 (add_to_worklist): Ditto.
11126 (mark_aliases_call_clobbered): Ditto.
11127 (compute_tag_properties): Ditto.
11128 (set_initial_properties): Ditto.
11129 (compute_call_clobbered): Ditto.
11130 (compute_may_aliases): Call compute_call_clobbered and grouping.
11131 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11132 (compute_flow_insensitive_aliasing): Grouping now happens in our
11133 caller.
11134 (setup_pointers_and_addressables): Remove clobbering related code.
11135 (add_may_alias): Ditto.
11136 (replace_may_alias): Ditto.
11137 (get_nmt_for): Ditto.
11138 (create_global_var):
11139 (is_escape_site): Return an escape_type enumeration.
11140 * tree-flow-inline.h (is_call_clobbered): Global var does not
11141 imply call clobbered.
11142 (mark_call_clobbered): Take a reason for marking this. Remove
11143 marking of globalness, and cache invalidation.
11144 (clear_call_clobbered): Remove cache invalidation code.
11145 * tree-dfa.c (dump_variable): If details is on, dump the reason
11146 for escaping.
11147 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11148 variable.
11149 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11150 (struct var_ann_d): Ditto.
11151 (enum escape_type): New.
11152 (mark_call_clobbered): Adjust prototype.
11153 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11154 are never call clobbered.
11155 Record reasons for escaping.
11156 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11157 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11158 (ssa_ro_call_cache_valid): Ditto.
11159 (clobbered_v_may_defs): Ditto.
11160 (clobbered_vuses): Ditto.
11161 (ro_call_vuses): Ditto.
11162 (clobber_stats): New.
11163 (init_ssa_operands): Zero out clobber stats.
11164 (fini_ssa_operands): Print out clobber stats.
11165 (get_call_expr_operands): Pass callee fndecl to
11166 add_call_read_ops).
11167 (add_call_clobber_ops): Remove use of cache.
11168 Add use of PURE_CONST information.
11169 (add_call_read_ops): Remove use of cache.
11170 Add use of static not_read information.
11172 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11174 Introduce TLS descriptors for i386 and x86_64.
11175 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11176 (TARGET_ANY_GNU_TLS): New macro.
11177 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11178 (struct machine_function): Add tls_descriptor_call_expanded_p.
11179 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11180 (ix86_current_function_calls_tls_descriptor): Likewise.
11181 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11182 (override_options): Introduce gnu2 tls dialect.
11183 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11184 not leaves.
11185 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11186 Likewise.
11187 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11188 (ix86_init_machine_status): Initialize new field.
11189 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11190 (ix86_tls_module_base): New.
11191 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11192 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11193 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11194 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11195 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11196 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11197 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11198 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11199 * config/i386/predicates.md (tls_modbase_operand): New.
11200 (tp_or_register_operand): New.
11202 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11204 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11205 (look_for_address_of): Ditto.
11206 (ipa_init): Walk the function decls.
11207 (static_execute): Don't set readonly on FUNCTION_DECL's.
11209 2006-01-18 Roger Sayle <roger@eyesopen.com>
11211 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11212 for shifts where the source and destination registers are different.
11214 2006-01-18 Paul Brook <paul@codesourcery.com>
11216 Merge from csl-arm-branch.
11217 2005-03-14 Julian Brown <julian@codesourcery.com>
11218 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11219 (aeabi_llsl): Likewise.
11220 (ashrdi3): Likewise.
11221 (aeabi_lasr): Likewise.
11222 (lshrdi3): Likewise.
11223 (aeabi_llsr): Likewise.
11224 2005-03-10 Julian Brown <julian@codesourcery.com>
11225 * config.gcc: Disable shared libgcc for SymbianOS.
11226 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11228 2006-01-18 DJ Delorie <dj@redhat.com>
11230 * c-pragma.c (handle_pragma_diagnostic): New.
11231 (init_pragma): Register it.
11232 * doc/extend.texi: Document it.
11234 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11235 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11236 (diagnostic_context): Add classify_diagnostic[].
11237 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11238 as errors if they're overridden to DK_WARNING.
11239 (diagnostic_initialize): Initialize classify_diagnostic[].
11240 (diagnostic_set_kind_override): New.
11241 (diagnostic_report_diagnostic): Check for kind changes.
11242 * opts.c (common_handle_option): Take lang_mask. Update callers.
11243 Handle OPT_Werror_.
11244 * common.opt (Werror=): New.
11245 * doc/invoke.texi: Document -Werror=*
11247 2006-01-18 Jeff Law <law@redhat.com>
11249 * tree-vrp.c (test_for_singularity): Correct test for new
11250 min limit. Use operand_equal_p rather than pointer equality
11251 for testing if new min/max values are equal.
11253 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11254 using range information until after propagation and folding.
11256 2006-01-18 Richard Henderson <rth@redhat.com>
11257 Aldy Hernandez <aldyh@redhat.com>
11258 Jakub Jelinek <jakub@redhat.com>
11259 Diego Novillo <dnovillo@redhat.com>
11261 * omp-low.c: New file.
11262 * c-omp.c: New file.
11264 2006-01-18 Richard Henderson <rth@redhat.com>
11265 Jakub Jelinek <jakub@redhat.com>
11266 Diego Novillo <dnovillo@redhat.com>
11268 * doc/invoke.texi: Document -fopenmp.
11269 * tree-dump.h (debug_function): Declare.
11270 * hooks.c (hook_bool_tree_bool_false): New function.
11271 (hook_tree_tree_null): Remove.
11272 (hook_tree_tree_tree_null): New.
11273 * hooks.h: Update to match.
11274 * tree-pretty-print.c (debug_tree_chain): New.
11275 (print_generic_expr): Handle TDF_CHAIN.
11276 (dump_generic_node): Handle BLOCK.
11277 Do not abort with incomplete SWITCH_EXPRs.
11278 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11279 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11280 print space after directive name.
11281 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11282 Handle OMP_MASTER and OMP_ORDERED.
11283 Handle printing of OMP_BODY just in one place, goto
11284 dump_omp_body in the rest of OMP_* nodes that have
11285 OMP_BODY.
11286 Don't handle clause nodes here. Update omp statements to
11287 use dump_omp_clauses.
11288 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11289 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11290 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11291 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11292 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11293 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11294 Adjust output for GOMP_PARALLEL.
11295 (dump_omp_clauses): New.
11296 (print_declaration): Dump DECL_VALUE_EXPR.
11297 (op_symbol_1): Split out of op_symbol.
11298 (dumping_stmts): Remove. Update all users.
11299 * cgraph.c (cgraph_analyze_queue): New.
11300 (cgraph_add_new_function): New.
11301 * cgraph.h (cgraph_analyze_queue): Declare.
11302 (cgraph_add_new_function): Declare.
11303 (cgraph_lower_function): Remove.
11304 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11305 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11306 and TYPE_P nodes in its default clause.
11307 (empty_body_p): New.
11308 (tree_range_check_failed): New.
11309 (build5_stat): New.
11310 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11311 OMP_CLAUSE_REDUCTION_MERGE,
11312 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11313 OMP_CLAUSE_PRIVATE_DEBUG,
11314 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11315 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11316 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11317 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11318 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11319 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11320 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11321 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11322 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11323 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11324 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11325 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11326 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11327 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11328 (TREE_RANGE_CHECK): New.
11329 (empty_body_p): Declare.
11330 (enum omp_clause_default_kind): New.
11331 (build_string_literal): Declare.
11332 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11333 (build5_stat, build5): Declare.
11334 * tree-pass.h (TDF_CHAIN): Define.
11335 * tree-pass.h (PROP_gimple_lomp): Define.
11336 (pass_lower_omp): Declare.
11337 * diagnostic.h (debug_tree_chain): Declare.
11338 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11339 mode_for_size.
11340 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11341 * builtins.c (build_string_literal): Make extern.
11342 * gcc.c (include_spec_function): New.
11343 (static_spec_functions): Add it.
11344 (main): Move load of libgomp.spec ...
11345 (LINK_COMMAND_SPEC): ... here.
11346 (link_gomp_spec): New.
11347 (static_specs): Include it.
11348 (LINK_COMMAND_SPEC): Add link_gomp.
11349 (GOMP_SELF_SPECS): New.
11350 (driver_self_specs): Include it.
11351 (switch_matches): Don't mark inline.
11352 (main): Load libgomp.spec.
11353 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11354 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11355 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11356 * tree-gimple.h (enum omp_parallel): Declare.
11357 (determine_parallel_type): Declare.
11358 (omp_firstprivatize_variable): Declare.
11359 (omp_reduction_init): Declare.
11360 (diagnose_omp_structured_block_errors): Declare.
11361 (struct walk_stmt_info): Add want_return_expr.
11362 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11363 (find_omp_clause): Declare.
11364 (insert_field_into_struct): Declare.
11365 (struct walk_stmt_info): Move from tree-nested.c
11366 (walk_stmts): Declare.
11367 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11368 to 200505.
11369 * cgraphunit.c (cgraph_lower_function): Make static.
11370 (cgraph_finalize_pending_functions): New.
11371 (cgraph_finalize_function): Call it.
11372 (cgraph_finalize_compilation_unit): Likewise.
11373 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11374 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11375 (BT_FN_UINT_UINT): New.
11376 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11377 DEF_FUNCTION_TYPE_VAR_4): Document.
11378 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11379 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11380 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11381 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11382 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11383 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11384 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11385 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11386 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11387 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11388 into separate files.
11389 (DEF_GOMP_BUILTIN): New.
11390 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11391 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11392 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11393 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11394 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11395 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11396 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11397 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11398 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11399 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11400 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11401 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11402 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11403 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11404 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11405 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11406 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11407 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11408 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11409 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11410 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11411 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11412 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11413 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11414 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11415 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11416 * sync-builtins.def: New file, moved from builtins.def.
11417 * omp-builtins.def: New file, moved from builtins.def.
11418 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11419 * gimple-low.c (lower_function_body): Clear data.
11420 (lower_stmt): Do not handle COMPOUND_EXPR.
11421 Remove call to print_node_brief.
11422 * c-tree.h (c_finish_omp_clauses): New prototype.
11423 (C_DECL_THREADPRIVATE_P): Define.
11424 (lookup_name_no_remap, c_omp_remap_private): Remove
11425 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11426 (check_for_loop_decls): Update decl.
11427 (lookup_name_no_remap, c_omp_remap_private): Declare.
11428 (build_indirect_ref, build_modify_expr, pushdecl,
11429 pushdecl_top_level): Move to c-common.h.
11430 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11431 before the switch, but just in the 2 places that need it.
11432 * c-decl.c (diagnose_mismatched_decls): Do not check for
11433 mismatched thread-local attributes when OLDDECL is marked
11434 threadprivate and NEWDECL has no thread-local attributes.
11435 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11436 (c_gimple_diagnostics_recursively): Rename from
11437 c_warn_unused_result_recursively. Invoke
11438 diagnose_omp_structured_block_errors.
11439 (check_for_loop_decls): Return a singular decl found.
11440 * langhooks.c (lhd_omp_predetermined_sharing): Return
11441 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11442 (lhd_omp_firstprivatize_type_sizes): New.
11443 (lhd_omp_assignment): New.
11444 (lhd_omp_predetermined_sharing): New.
11445 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11446 (struct lang_hooks_for_types): Add
11447 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11448 omp_predetermined_sharing, omp_disregard_value_expr,
11449 omp_private_debug_clause, omp_clause_default_ctor,
11450 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11451 (c_finish_omp_clauses): New.
11452 (c_finish_bc_stmt): Diagnose break within omp for.
11453 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11454 (build_unary_op): Return error_mark after reporting
11455 a readonly_error.
11456 (build_modify_expr): Likewise.
11457 * gimplify.c: Include optabs.h and pointer-set.h.
11458 (enum gimplify_omp_var_data): Declare.
11459 (struct gimplify_omp_ctx): Declare.
11460 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11461 and combined_ctxp.
11462 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11463 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11464 (splay_tree_compare_decl_uid): New.
11465 (new_omp_context): New.
11466 (delete_omp_context): New.
11467 (gimple_add_tmp_var): Call omp_add_variable.
11468 (gimplify_bind_expr): Likewise.
11469 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11470 true, disregard DECL_VALUE_EXPR on the decl if any.
11471 (gimplify_expr_in_ctx): New.
11472 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11473 omp_add_variable, omp_notice_variable, omp_is_private
11474 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11475 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11476 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11477 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11478 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11479 gimplify_omp_atomic): New.
11480 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11481 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11482 OMP_CRITICAL and OMP_ATOMIC.
11483 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11484 * c-pragma.h (enum pragma_kind): Add
11485 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11486 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11487 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11488 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11489 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11490 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11491 PRAGMA_OMP_THREADPRIVATE.
11492 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11493 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11494 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11495 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11496 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11497 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11498 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11499 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11500 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11501 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11502 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11503 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11504 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11505 OpenMP directives.
11506 (struct nesting_info): Add field_map,
11507 suppress_expansion, debug_var_chain.
11508 (create_nesting_tree): Initialize them.
11509 (lookup_field_for_decl): Use field_map.
11510 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11511 (convert_local_omp_clauses): New.
11512 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11513 (walk_body): Split out of walk_function.
11514 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11515 (convert_nonlocal_reference): Handle omp statements.
11516 (convert_local_reference): Likewise.
11517 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11518 (unnest_nesting_tree): New.
11519 (lower_nested_functions): Call it.
11520 (insert_field_into_struct): Make extern.
11521 (struct walk_stmt_info): Move to tree-gimple.h.
11522 (walk_stmts): Make extern.
11523 * omp-builtins.def: New file.
11524 * tree-iterator.c (expr_only): Clarify comment.
11525 * c-common.h (pushdecl_top_level, pushdecl,
11526 build_modify_expr, build_indirect_ref,
11527 c_finish_omp_master, c_finish_omp_critical,
11528 c_finish_omp_ordered, c_finish_omp_barrier,
11529 c_finish_omp_atomic, c_finish_omp_flush,
11530 c_finish_omp_for, c_split_parallel_clauses,
11531 omp_clause_default_kind, c_omp_sharing_predetermined,
11532 c_omp_remap_decl): Declare.
11533 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11534 (OBJS-common): Add omp-low.o.
11535 (c-omp.o, omp-low.o): Add.
11536 (gimplify.o): Add dependency on $(OPTABS_H).
11537 (GTFILES): Add omp-low.c.
11538 (gt-stringpool.h): Add.
11539 * tree-cfg.c (set_bb_for_stmt): Do not update the
11540 block-to-labels map if we are currently expanding to RTL.
11541 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11542 checks.
11543 Handle IDENTIFIER_NODE.
11544 (tree_verify_flow_info): Do not ICE when emitting error
11545 messages about invalid labels.
11546 (dump_function_to_file): Reset CFUN before emitting the body
11547 of the function.
11548 (debug_function): New.
11549 * passes.c (init_optimization_passes): Schedule
11550 pass_lower_omp.
11551 * langhooks-def.h (lhd_omp_predetermined_sharing,
11552 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11553 Declare.
11554 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11555 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11556 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11557 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11558 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11559 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11560 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11561 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11562 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11563 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11564 (LANG_HOOK_DECLS): Use them.
11566 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11567 Richard Henderson <rth@redhat.com>
11568 Jakub Jelinek <jakub@redhat.com>
11569 Diego Novillo <dnovillo@redhat.com>
11571 * c-parser.c (pragma_omp_clause): Define.
11572 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11573 (c_parser_compound_statement): Likewise.
11574 (c_parser_statement): Likewise.
11575 (c_parser_pragma): Handle omp pragmas.
11576 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11577 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11578 (c_parser_omp_clause_name, check_no_duplicate_clause,
11579 c_parser_omp_variable_list,
11580 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11581 c_parser_omp_clause_copyprivate,
11582 c_parser_omp_clause_default,
11583 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11584 c_parser_omp_clause_lastprivate,
11585 c_parser_omp_clause_nowait,
11586 c_parser_omp_clause_num_threads,
11587 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11588 c_parser_omp_clause_reduction,
11589 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11590 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11591 c_parser_omp_atomic, c_parser_omp_barrier,
11592 c_parser_omp_critical, c_parser_omp_flush,
11593 c_parser_omp_for_loop, c_parser_omp_for,
11594 c_parser_omp_master, c_parser_omp_ordered,
11595 c_parser_omp_sections_scope, c_parser_omp_sections,
11596 c_parser_omp_parallel, c_parser_omp_single,
11597 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11598 * c-pragma.c (init_pragma): Do omp pragma registration here.
11599 * c.opt (fopenmp): New flag.
11601 2006-01-18 Eric Christopher <echristo@apple.com>
11603 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11604 * config/darwin.h (GOMP_SELF_SPECS): Define.
11606 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11608 * rtl.h: Remove the prototype for reg_alloc.
11610 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11612 PR target/25731
11613 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11614 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11615 sjlj and dwarf2 exception handling.
11616 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11617 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11618 * pa/pa.c (function_value): Treat complex and vector types as
11619 aggregates.
11620 (function_arg): Likewise. Only pass scalar floats in the floating
11621 point argument registers.
11622 * pa/t-slibgcc-dwarf-ver: New file.
11623 * pa/t-slibgcc-sjlj-ver: New file.
11624 * pa/t-slibgcc-elf-ver: Delete file.
11626 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11628 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11629 unlikely_test_section_p test.
11631 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11633 * mode-switching.c (optimize_mode_switching): Make it static.
11634 * basic-block.h: Remove the prototype for
11635 optimize_mode_switching.
11637 * modulo-sched.c (sms_schedule): Make it static.
11638 * rtl.h: Remove the prototype for sms_schedule.
11640 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11641 * rtl.h: Remove the prototype for gcse_after_reload_main.
11643 * reg-stack.c (reg_to_stack): Make it static.
11644 * rtl.h: Remove the prototype for reg_to_stack.
11646 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11647 Make them static.
11648 * rtl.h: Remove the prototypes for regrename_optimize and
11649 copyprop_hardreg_forward.
11651 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11653 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11654 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11655 Test against the appropriate null constant for the mode.
11656 If 'fixup_overlap' is true, swap the operands if they overlap.
11657 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11658 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11659 alpha_split_tmode_pair and adjust for above change.
11660 * config/alpha/alpha.md (movtf_internal): Adjust call to
11661 alpha_split_tfmode_pair and rely on it to swap the operands.
11662 (movti_internal): New insn and post-reload splitter.
11663 (movti): New expander.
11665 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11667 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11668 operands.
11670 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11672 * rtlanal.c (global_reg_mentioned_p_1,
11673 global_reg_mentioned_p): Remove.
11674 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11676 * flow.c (initialize_uninitialized_subregs): Make it static.
11677 * rtl.h: Remove the prototype for
11678 initialize_uninitialized_subregs.
11680 * function.c (instantiate_virtual_regs): Make it static.
11681 * function.h: Remove the prototype for
11682 instantiate_virtual_regs.
11684 * regmove.c (regmove_optimize, combine_stack_adjustments):
11685 Make them static.
11686 * rtl.h: Remove the prototypes for regmove_optimize and
11687 combine_stack_adjustments.
11689 2006-01-17 Roger Sayle <roger@eyesopen.com>
11691 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11692 (size_cost): Encode costs in bytes so that a reg-reg addition is
11693 equivalent to COSTS_N_INSNS(1).
11694 (override_options): Use the size_cost.branch_cost as the default
11695 ix86_branch_cost when optimizing for size.
11697 2006-01-18 Ben Elliston <bje@au.ibm.com>
11699 * Makefile.in (D32PBIT_FUNCS): New.
11700 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11701 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11702 D64PBIT_FUNCS and D128PBIT_FUNCS.
11703 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11704 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11705 D128PBIT are set.
11706 (decnumber_dep): Define.
11707 * doc/libgcc.texi (Decimal float library routines): New node.
11708 * config/dfp-bit.h, config/dfp-bit.c: New files.
11710 2006-01-18 Ben Elliston <bje@au.ibm.com>
11712 * expr.c (emit_move_change_mode): Always adjust addresses, not
11713 just during reload. Copy replacements only during reload.
11714 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11715 emit_move_via_integer.
11717 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11719 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11720 instead of $(srcdir) and ${srcdir}.
11722 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11724 PR target/592
11725 PR middle-end/11135
11726 * arm.h (struct machine_function): Add pic_reg.
11727 * arm.c (arm_pic_register): Make unsigned.
11728 (arm_override_options): Only set arm_pic_register if
11729 TARGET_SINGLE_PIC_BASE.
11730 (use_return_insn): Only test for a pic register if it is fixed.
11731 (arm_compute_save_reg0_reg12_mask): Likewise.
11732 (thumb_compute_save_reg_mask): Likewise.
11733 (legitimate_pic_operand): Factor out some known invariants.
11734 (legitimize_pic_address): If we don't have a fixed pic register,
11735 then set up a pseudo in the function entry sequence. Handle the
11736 pic base being in a pseudo.
11737 (arm_load_pic_register): Handle the pic register being in a pseudo.
11738 (arm_expand_prologue): Only set up the pic register if it is fixed.
11739 (thumb_expand_prologue): Likewise.
11740 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11741 (pic_load_addr_based_insn): Likewise.
11742 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11743 fixed.
11745 2006-01-18 Ben Elliston <bje@au.ibm.com>
11747 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11748 decimal float modes for all floating point registers.
11750 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11751 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11753 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11755 PR c/25682
11756 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11757 even when the pointer is not NULL.
11759 2006-01-16 Ian Lance Taylor <ian@airs.com>
11761 * common.opt (ftoplevel-reorder): New option.
11762 * cgraph.c (cgraph_asm_nodes): New global variable.
11763 (cgraph_asm_last_node): New static variable.
11764 (cgraph_order): New global variable.
11765 (cgraph_create_node): Set new order field.
11766 (cgraph_varpool_node): Likewise.
11767 (decide_is_variable_needed): Return true if not
11768 flag_toplevel_reorder.
11769 (cgraph_add_asm_node): New function.
11770 * cgraph.h (struct cgraph_node): Add order field.
11771 (struct cgraph_varpool_node): Add order field.
11772 (struct cgraph_asm_node): Define.
11773 (cgraph_asm_nodes, cgraph_order): Declare.
11774 (cgraph_add_asm_node): Declare.
11775 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11776 function.
11777 (cgraph_varpool_assemble_pending_decls): Call it.
11778 (cgraph_output_pending_asms): New static function.
11779 (cgraph_finalize_compilation_unit): Call it.
11780 (struct cgraph_order_sort): Define.
11781 (cgraph_output_in_order): New static function.
11782 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11783 !flag_toplevel_reorder case.
11784 * c-parser.c: Include "cgraph.h".
11785 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11786 assemble_asm.
11787 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11788 than -fno-unit-at-a-time.
11789 * doc/invoke.texi (Option Summary): Mention
11790 -fno-toplevel-reorder.
11791 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11792 -funit-at-a-time documentation.
11794 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11795 Kazu Hirata <kazu@codesourcery.com>
11797 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11799 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11801 * Makefile.in (FUNCTION_H): New. Use it instead of
11802 function.h throughout the file.
11803 * function.h: Include tree.h.
11805 2006-01-17 Ben Elliston <bje@au.ibm.com>
11807 * recog.c: Separate some functions with whitespace.
11809 2006-01-16 Richard Henderson <rth@redhat.com>
11811 Merge from gomp branch:
11812 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11813 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11814 and rename from struct inline_data. Rename callee* to dst*;
11815 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11816 transform_new_cfg, transform_return_to_modify, and
11817 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11818 update_clones_p.
11819 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11820 (copy_decl_for_dup): Remove.
11821 * tree-inline.c (struct inline_data): Move to header.
11822 (insert_decl_map): Export.
11823 (remap_decl): Update for member name changes. Use copy_decl hook.
11824 Allow for replacement to be a non-decl. Remove dead code.
11825 (remap_type_1): Check for existing mapping.
11826 (remap_type): Export.
11827 (remap_decls): Update for member name changes.
11828 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11829 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11830 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11831 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11832 (tree_function_versioning, build_duplicate_type): Likewise.
11833 (copy_body_r): Likewise. Export.
11834 (copy_decl_for_dup): Split into ...
11835 (copy_decl_for_dup_finish, copy_decl_to_var,
11836 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11837 (replace_ref_tree, inlining_p): Remove.
11839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11841 * ifcvt.c (if_convert): Make it static.
11842 * rtl.h: Remove the prototype for if_convert.
11844 * local-alloc.c (local_alloc): Make it static.
11845 * rtl.h: Remove the prototype for local_alloc.
11847 * loop.c (loop_optimize): Make it static.
11848 * cfgloop.h: Remove the prototype for loop_optimize.
11849 * rtl.h: Likewise.
11851 2006-01-16 DJ Delorie <dj@redhat.com>
11853 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11854 mems.
11856 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11858 * pa.md: Disparage copies between general and floating-point registers
11859 in 32-bit move patterns.
11861 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11863 PR testsuite/25741
11864 * Makefile.in (check-%): Depend on site.exp instead of
11865 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11866 directories.
11868 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11870 * global.c (global_alloc): Make it static.
11871 * rtl.h: Remove the prototype for global_alloc.
11873 2006-01-16 Richard Guenther <rguenther@suse.de>
11875 * tree-ssa-alias.c (struct used_part): Add write_only field.
11876 (get_or_create_used_part_for): Initialize it to true.
11877 (create_overlap_variables_for): Don't create structure variables
11878 for structures that only are written to.
11879 (find_used_portions): Handle MODIFY_EXPR to track whether a
11880 structure is only written to.
11882 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11884 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11885 static.
11886 * basic-block.h: Remove the prototype for
11887 partition_hot_cold_basic_blocks.
11889 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11891 * cppspec.c (lang_specific_spec_functions): Remove.
11892 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11893 * gcc.h (lang_specific_spec_functions): Remove.
11894 * gccspec.c (lang_specific_spec_functions): Remove.
11896 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11898 * combine.c (record_value_for_reg): Invalidate registers
11899 if INSN is null.
11900 (record_dead_and_set_regs_1): Likewise, by passing them to
11901 record_value_for_reg.
11902 (record_dead_and_set_regs): Invalidate stores made by a
11903 call. We do not combine across a call, but we still
11904 relied on equivalences.
11906 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11908 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11909 vrp_int_const_binop returning non-constant nodes.
11911 2006-01-16 Paul Brook <paul@codesourcery.com>
11913 * config/m68k/m68k.c (output_move_const_into_data_reg):
11914 Output correct mnemonic for mvz and mvs.
11916 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11918 * rtl-factoring.c: Add sequence abstraction algorithm.
11919 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11920 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11921 ABNORMAL edges.
11922 (block_has_preserve_label): New function.
11923 * common.opt: Register new pass.
11924 * Makefile.in: Ditto.
11925 * passes.c: Ditto.
11926 * timevar.def: Ditto.
11927 * tree-pass.h: Ditto.
11928 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11929 * rtl.h (make_jump_insn_raw): Add forward decl.
11930 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11932 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11933 Roger Sayle <roger@eyesopen.com>
11935 * fold-const.c (fold_minmax): New static function.
11936 (fold_binary) <MIN_EXPR>: Call it.
11937 <MAX_EXPR>: Likewise.
11938 * stor-layout.c (place_field): Use DECL_SIZE consistently
11939 in the computation of the new record size.
11941 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11943 * cse.c (cse_condition_code_reg): Make it static.
11944 * rtl.h: Remove the prototype for cse_condition_code_reg.
11946 * combine.c (combine_instructions): Make it static.
11947 * rtl.h: Remove the prototype for combine_instructions.
11949 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11951 PR target/25168
11952 * tree.c (get_file_function_name_long): Concatenate the first global
11953 object name with a string derived from the input filename of the object
11954 for type "F".
11956 2006-01-16 Ben Elliston <bje@au.ibm.com>
11958 * config/i386/winnt-stubs.c: Update FSF address.
11959 * config/xtensa/ieee754-df.S: Ditto.
11960 * config/xtensa/ieee754-sf.S: Ditto.
11962 2006-01-14 Ian Lance Taylor <ian@airs.com>
11964 * ifcvt.c (noce_init_if_info): New static function, broken out of
11965 noce_process_if_block.
11966 (noce_process_if_block): Call noce_init_if_info.
11967 (check_cond_move_block): New static function.
11968 (cond_move_process_if_block): New static function.
11969 (process_if_block): Call cond_move_process_if_block.
11971 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11973 * cselib.c (hash_table): Rename to cselib_hash_table.
11974 (cselib_clear_table, discard_useless_values,
11975 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11976 cselib_init, cselib_finish): Adjust uses of hash_table.
11978 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11980 PR tree-optimization/25485
11981 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11982 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11983 is known to be false and true, respectively.
11985 2006-01-14 Richard Guenther <rguenther@suse.de>
11987 PR tree-optimization/22548
11988 PR tree-optimization/22555
11989 PR tree-optimization/22501
11990 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11991 * params.def (salias-max-array-elements): New parameter.
11992 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11993 * doc/invoke.texi (salias-max-array-elements): Document.
11994 * tree-flow-inline.h (var_can_have_subvars): We also handle
11995 arrays now.
11996 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11997 COMPONENT_REF.
11998 * tree-ssa-structalias.c (params.h): Include.
11999 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12000 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12001 (get_constraint_for): For ADDR_EXPR operating on something
12002 containing an ARRAY_REF, add all subvars to the solution.
12003 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12004 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12005 for creating MUST_DEFs.
12006 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12008 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12010 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12011 functions.
12012 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12013 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12014 number_of_iterations_le): New functions.
12015 (number_of_iterations_special): Removed.
12016 (number_of_iterations_exit): Do not use number_of_iterations_special.
12017 * tree.c (unsigned_type_for): Always return integer type.
12019 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12020 Richard Guenther <rguenther@suse.de>
12022 PR rtl-optimization/24257
12023 * gcse.c (find_moveable_store): Only consider a store movable
12024 when the SET_SRC of the insn can be assigned to a register.
12026 2006-01-14 Ian Lance Taylor <ian@airs.com>
12028 * tree.c (tree_not_class_check_failed): New function.
12029 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12030 (tree_not_class_check_failed): Declare.
12032 2006-01-13 Ian Lance Taylor <ian@airs.com>
12034 * reload1.c (do_output_reload): Add assertion rejecting a
12035 CALL_INSN.
12037 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12039 * combine.c (struct reg_stat): Add new fields truncation_label and
12040 truncated_to_mode.
12041 (record_value_for_reg): Reset truncated_to_mode.
12042 (record_truncated_value): New function.
12043 (check_promoted_subreg): Call it. Rename to check_conversions.
12044 (combine_instructions): Rename check_promoted_subreg to
12045 check_conversions.
12046 (reg_truncated_to_mode): New function.
12047 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12048 (gen_lowpart_or_truncate): New function.
12049 (force_to_mode): Use it instead of gen_lowpart.
12051 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12053 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12054 VAR is a tag, not its type tag.
12056 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12058 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12059 alternatives to match style of other entries.
12060 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12062 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12064 PR tree-optimization/25771
12065 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12066 SSA_NAMES.
12068 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12070 PR tree-opt/24365
12071 * tree-inline.c (declare_return_variable): If the return variable
12072 was marked as a non gimple complex, set the return slot variable
12073 to be a non gimple comple variable.
12075 2006-01-13 Richard Guenther <rguenther@suse.de>
12077 * builtins.c (expand_builtin_sincos): New function.
12078 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12079 do not set errno.
12080 (expand_builtin): Expand sincos using expand_builtin_sincos.
12082 2006-01-12 DJ Delorie <dj@redhat.com>
12084 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12085 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12086 so that constant shifts can be split.
12087 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12088 (m32c_valid_pointer_mode): Make static.
12089 (shift_gen_func_for): New.
12090 (m32c_prepare_shift): Use it. Split large const shifts into
12091 multiple shifts.
12092 * config/m32c/predicates.md (shiftcount_operand): Allow more
12093 general operands.
12094 (longshiftcount_operand): New.
12095 * doc/md.texi (Machine Constraints): Document In6.
12097 2006-01-13 Ben Elliston <bje@au.ibm.com>
12099 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12100 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12101 documentation.
12103 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12105 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12106 to try to avoid clobbering pieces of structures when we know
12107 something about the whole structure.
12108 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12110 2006-01-13 Ben Elliston <bje@au.ibm.com>
12112 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12113 return in memory, as this is no limitation is no longer present.
12115 2006-01-12 DJ Delorie <dj@redhat.com>
12117 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12118 mova with fb, and for fb+0 -> An.
12120 * config/m32c/mov.md (peephole2): Fix enabling logic.
12122 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12123 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12124 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12125 FINI_ARRAY_SECTION_ASM_OP): Define.
12127 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12128 variable.
12129 (m32c_legitimize_reload_address): New logic to reload FB to An.
12130 (m32c_output_reg_push): Add newline.
12131 (m32c_output_reg_pop): Likewise.
12133 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12135 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12137 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12139 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12141 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12143 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12144 match_code.
12146 2006-01-11 Ben Elliston <bje@au.ibm.com>
12148 * rtlanal.c (find_reg_note): Assert insn is not null.
12150 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12152 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12153 ifdef.
12155 2006-01-11 Jeff Law <law@redhat.com>
12157 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12158 hold edge pairs.
12159 (mark_threaded_blocks, register_jump_thread): New functions.
12160 (thread_through_all_blocks): Remove unwanted argument. No
12161 longer rely on e->aux to communicate thread target info.
12162 Call mark_threaded_blocks. Release the threaded_blocks
12163 bitmap and threaded_edges vector when complete.
12164 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12165 (threaded_blocks): Remove.
12166 (tree_ssa_dominator_optimize): Remove initialization and
12167 finalization of threaded_blocks. Simplify call to
12168 thread_through_all_blocks.
12169 (thread_across_edge): Call register_jump_thread rather than
12170 storing thread information into e->aux.
12171 (free_all_edge_infos): Simplify now that e->aux is no longer
12172 used to communicate with thread_through_all_blocks.
12173 * tree-flow.h (thread_through_all_blocks): Update prototype.
12174 (register_jump_thread): Prototype.
12176 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12178 * df-core.c (df_compact_blocks, df_bb_replace): Use
12179 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12181 2006-01-11 Richard Guenther <rguenther@suse.de>
12183 PR tree-optimization/25734
12184 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12185 stop propagation after successful propagation to the LHS.
12187 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12189 * basic-block.h (control_flow_graph): Change the type of
12190 x_basic_block_info to VEC(basic_block,gc) *.
12191 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12192 basic_block_info.
12193 (SET_BASIC_BLOCK): New.
12194 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12195 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12196 * cfgbuild.c (find_basic_blocks): Likewise.
12197 * cfglayout.c (fixup_reorder_chain): Likewise.
12198 * cfgrtl.c (create_basic_block_structure,
12199 rtl_create_basic_block): Likewise.
12200 * ifcvt.c (find_if_case_1): Likewise.
12201 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12202 Likewise.
12204 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12206 * Makefile.in: Removed rotted odf.c entry.
12208 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12210 PR target/25706
12211 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12212 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12213 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12214 output pattern modifier, not %e.
12215 * config/cris/cris.c (cris_op_str): Update comment about pattern
12216 modifier.
12217 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12218 before falling through into...
12219 <case 'E'>: Redefined from old 'e' case.
12221 2006-01-11 Jan Hubicka <jh@suse.cz>
12223 PR target/25042
12224 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12226 2006-01-11 Jan Hubicka <jh@suse.cz>
12228 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12229 * i386.c (x86_decompose_lea): Kill.
12230 (ix86_rtx_costs): Kill.
12232 2006-01-11 Jan Hubicka <jh@suse.cz>
12234 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12235 * cgraph.h (cgraph_node): Add inline_decl.
12236 (cgraph_insert_node_to_hashtable): Declare.
12237 (save_inline_function_body): Declare.
12238 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12239 clones.
12240 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12241 (cgraph_function_versioning): Update call of tree_function_versioning.
12242 (save_inline_function_body): New function.
12243 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12244 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12245 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12246 (cgraph_default_inline_p): Likewise.
12247 (cgraph_decide_inlining_incrementally): Likewise.
12248 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12249 (copy_bb): Kill saving; do updating of clones.
12250 (copy_cfg_body): Kill saving.
12251 (initialize_inlined-parameters): Likewise.
12252 (expand_call_inline): Likewise.
12253 (save_body): Kill.
12254 (tree_function_versioning): New parameter "update_clones".
12255 (inlining_p): Kill saving.
12256 * tree-inline.h (tree_function_versioning): Update prototype.
12257 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12258 saving.
12260 2006-01-11 Ian Lance Taylor <ian@airs.com>
12262 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12263 Allow undoing set of machine mode.
12264 (do_SUBST): Use enums instead of is_int.
12265 (do_SUBST_MODE): New function.
12266 (SUBST_MODE): New macro.
12267 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12268 reg and trying to replace reg_regno_rtx with a new register.
12269 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12270 (simplify_set): Use SUBST_MODE.
12271 (distribute_notes): Remove code that tried to update reg notes
12272 for regno_reg_rtx changes.
12274 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12276 PR tree-optimization/23109
12277 PR tree-optimization/23948
12278 PR tree-optimization/24123
12280 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12281 * tree-cfg.c (single_noncomplex_succ): New.
12282 * tree-flow.h (single_noncomplex_succ): Declare it.
12283 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12284 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12285 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12286 insert_bb, register_division_in, insert_reciprocals,
12287 replace_reciprocal, free_bb): New.
12288 (execute_cse_reciprocals_1): Rewritten.
12289 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12290 Do not commit any edge insertion. Always compute dominators and
12291 create the allocation pool.
12292 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12293 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12294 * targhooks.c (default_min_divistions_for_recip_mul): New.
12295 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12296 * passes.c (init_optimization_passes): Run recip after tree loop
12297 optimizations.
12298 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12300 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12301 Kenneth Zadeck <zadeck@naturalbridge.com>
12303 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12304 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12305 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12306 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12307 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12308 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12309 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12310 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12311 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12312 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12313 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12314 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12315 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12316 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12317 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12318 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12319 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12320 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12321 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12322 DF_SCAN_POST_ALLOC): New macros.
12323 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12324 df_free_bb_function, df_local_compute_function, df_init_function,
12325 df_dataflow_function, df_confluence_function_0,
12326 df_confluence_function_n, df_transfer_function,
12327 df_finalizer_function, df_free_function, df_dump_problem_function,
12328 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12329 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12330 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12331 df_urec_bb_info, ) New types.
12332 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12333 variables.
12334 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12335 df_analyze_simple_change_some_blocks,
12336 df_analyze_simple_change_one_block, df_compact_blocks,
12337 df_bb_replace, df_bb_regno_last_use_find,
12338 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12339 df_insn_regno_def_p, df_find_def, df_find_use,
12340 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12341 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12342 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12343 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12344 debug_df_chain, df_get_dependent_problem, df_chain_create,
12345 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12346 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12347 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12348 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12349 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12350 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12351 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12352 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12353 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12354 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12355 df_reorganize_refs, df_set_state, df_hard_reg_init,
12356 df_read_modify_subreg_p) New public functions.
12357 * df-core.c: The core dataflow solver and glue routines for rtl
12358 dataflow.
12359 (df_init, df_add_problem, df_set_blocks, df_finish,
12360 df_hybrid_search_forward, df_hybrid_search_backward,
12361 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12362 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12363 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12364 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12365 df_reg_defined, df_find_use, df_reg_used, df_dump,
12366 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12367 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12368 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12369 debug_df_useno, reset_df_after_reload): New functions.
12370 * df-scan.c: The scanning fuctions, once in df.c, completely
12371 rewritten so that they now fully model the functionality of
12372 register usage at the backend.
12373 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12374 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12375 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12376 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12377 df_get_artificial_defs, df_get_artificial_uses,
12378 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12379 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12380 df_refs_delete, df_reorganize_refs, df_set_state,
12381 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12382 df_def_record_1, df_defs_record, df_uses_record,
12383 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12384 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12385 df_record_exit_block_uses, df_hard_reg_init): New functions.
12387 * df-problems.c: Seven concrete dataflow problems that use the
12388 scanning in df-scan.c and are solved by the engine in df-core.c.
12389 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12390 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12391 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12392 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12393 df_ru_free_bb_info, df_ru_alloc,
12394 df_ru_bb_local_compute_process_def,
12395 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12396 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12397 df_ru_transfer_function, df_ru_free, df_ru_dump,
12398 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12399 df_rd_free_bb_info, df_rd_alloc,
12400 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12401 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12402 df_rd_transfer_function, df_rd_free, df_rd_dump,
12403 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12404 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12405 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12406 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12407 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12408 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12409 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12410 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12411 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12412 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12413 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12414 df_urec_mark_reg_use_for_earlyclobber,
12415 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12416 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12417 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12418 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12419 df_chain_create_bb_process_use, df_chain_create_bb,
12420 df_chain_finalize, df_chain_free, df_chains_dump,
12421 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12422 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12423 df_reg_lifetime): New functions.
12424 * df.c: Deleted file.
12425 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12426 consistent with new df api.
12427 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12428 rest_of_handle_sms): Ditto.
12429 * web.c (unionfind_union, union_defs, entry_register, web_main):
12430 Ditto.
12431 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12432 invariant_expr_equal_p, find_defs, check_dependencies,
12433 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12434 free_inv_motion_data, move_loop_invariants): Ditto.
12435 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12436 Update dependencies.
12437 (odf.c): Added defective entry that was deleted later in day.
12438 * sched-deps.c (sched_analyze_1): Ditto.
12440 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12442 * tree-ssa-operands.c (get_expr_operands): Record addressable
12443 variables directly. Do not call add_stmt_operands for CONST_DECLs
12444 and ARRAY_DECLs.
12445 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12446 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12448 2006-01-11 Ben Elliston <bje@au.ibm.com>
12450 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12451 function returns true in the positive case.
12453 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12455 PR target/20754
12456 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12457 for SI, DI, SF and DF modes. Add alternatives to copy between
12458 general and floating point registers to the 32-bit patterns.
12459 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12460 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12461 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12462 generating 64-bit code.
12463 * config/pa/pa.c (output_move_double): Handle copies between general
12464 and floating registers.
12466 2006-01-10 Stuart Hastings <stuart@apple.com>
12468 * config/i386/i386.md (set_got): Update.
12469 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12470 (builtin_setjmp_receiver): Mach-O support.
12471 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12472 (GOT_SYMBOL_NAME): Define.
12473 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12474 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12475 * config/i386/i386.c (override_options): Revise for Darwin.
12476 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12477 support. (darwin_x86_file_end): New. (output_set_got): Add label
12478 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12479 * config/i386/i386-protos.h (output_set_got): Likewise.
12480 * config/darwin.c (machopic_legitimize_pic_address): Update
12481 regs_ever_live[].
12483 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12485 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12486 when MODE isn't BLKmode.
12488 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12490 PR rtl-optimization/25367
12491 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12493 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12495 PR target/25718
12496 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12497 for a negative bound.
12499 2006-01-10 Richard Guenther <rguenther@suse.de>
12501 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12502 Never override with anything constraint.
12504 2006-01-10 Jan Beulich <jbeulich@novell.com>
12506 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12507 256 bits when optimize_size.
12509 2006-01-10 Jan Beulich <jbeulich@novell.com>
12511 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12512 MASK_ALIGN_DOUBLE.
12513 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12514 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12515 arguments.
12517 2006-01-10 Ben Elliston <bje@au.ibm.com>
12519 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12520 float modes.
12521 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12522 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12523 (USE_FP_FOR_ARG): Reject decimal float modes.
12524 (function_arg_advance): Likewise.
12525 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12526 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12527 point types in AltiVec vectors.
12528 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12529 (rs6000_libcall_value): Likewise.
12531 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12533 * config/xtensa/ieee754-df.S: New file.
12534 * config/xtensa/ieee754-sf.S: New file.
12535 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12536 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12537 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12539 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12541 * config/sh/predicates.md (binary_float_operator,
12542 binary_logical_operator, commutative_float_operator,
12543 equality_comparison_operator, greater_comparison_operator,
12544 less_comparison_operator, logical_operator,
12545 noncommutative_float_operator, shift_operator,
12546 symbol_ref_operand, unary_float_operator): Remove redundant
12547 conditionals.
12549 2006-01-09 Jeff Law <law@redhat.com>
12551 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12552 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12553 now unused arguments. Callers updated.
12554 (eliminate_redundant_computations): Remove now unused arguments,
12555 callers updated.
12556 (local_fold): Remove, no longer used.
12557 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12558 and moved to...
12559 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12560 (simplify_cond): New function.
12561 (forward_propagate_into_cond): Call simplify_cond.
12563 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12565 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12566 (*vec_extractv2di_1_sse): New.
12568 2006-01-09 Ben Elliston <bje@au.ibm.com>
12570 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12572 2006-01-08 Richard Guenther <rguenther@suse.de>
12574 * tree-ssa-structalias.c (get_constraint_for): Remove
12575 anyoffset argument.
12576 (get_constraint_for_component_ref): Likewise.
12577 (do_deref): Likewise.
12578 (get_constraint_for): Likewise.
12579 (do_structure_copy): Likewise.
12580 (handle_ptr_arith): Likewise.
12581 (find_func_aliases): Likewise. Remove unused need_anyoffset
12582 variable.
12584 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12585 Kaz Kojima <kkojima@gcc.gnu.org>
12587 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12588 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12589 (EXTRA_CONSTRAINT_C16): Remove.
12590 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12591 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12592 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12593 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12594 constants of SHmedia. Handle nested constant expressions of
12595 SHmedia correctly.
12596 (andcosts): Fix the costs for SHmedia constants.
12597 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12598 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12599 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12600 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12601 (movv4hi_i, movv2si_i): Likewise.
12602 (movsi_const): Adjust the second operand of ior so to match with
12603 the Csu constraint.
12604 (movdi_const, movdi_const_32bit): Likewise.
12605 (movdi_const_16bit+1): Don't sign-extend LOW.
12606 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12607 step.
12608 (*double_shori): Fix the split condition. Use GEN_INT instead
12609 of get_int_mode calls. Mask lower 16-bit of the argument of
12610 the last GEN_INT.
12611 (sym2GOTPLT): Remove.
12612 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12613 gen_rtx_UNSPEC.
12614 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12615 instead of EXTRA_CONSTRAINT_C16.
12617 2006-01-07 Ian Lance Taylor <ian@airs.com>
12618 David Edelsohn <edelsohn@gnu.org>
12620 PR rtl-optimization/25662
12621 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12622 for constant operands instead of simplify_gen_binary.
12623 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12624 after trying simplify_binary_operation
12626 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12628 * tree.c (iterative_hash_expr): Hash decls based on UID.
12630 2006-01-06 Eric Christopher <echristo@apple.com>
12632 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12633 (TARGET_UNWIND_EMIT): Fix spelling.
12634 * target.h (gcc_target): Add except_table_label.
12635 * except.c (output_function_exception_table): Use.
12636 * varasm.c (default_emit_except_table_label): New.
12637 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12638 define.
12639 (asm_out): Add here.
12640 * output.h (default_emit_except_table_label): Prototype.
12641 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12642 * config/darwin.c (darwin_emit_except_table_label): Define.
12643 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12645 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12647 PR tree-optimization/18527
12648 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12649 number_of_iterations_special, number_of_iterations_exit):
12650 Move base and step of an iv to a single structure. Add
12651 no_overflow flag, and use it in # of iterations analysis.
12652 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12653 folded_casts argument.
12654 (simple_iv): Pass base and step in a structure. Set no_overflow
12655 flag.
12656 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12657 Evaluate expensiveness of computing # of iterations instead of
12658 the final expression.
12659 * tree-scalar-evolution.h (affine_iv): New structure.
12660 (simple_iv): Declaration changed.
12661 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12662 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12663 find_givs_in_stmt): Changed due to simple_iv change.
12665 2006-01-06 Jeff Law <law@redhat.com>
12667 PR ada/24994
12668 * tree-cfg.c (bsi_replace): Rename final argument from
12669 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12670 change (stmt -> orig_stmt).
12671 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12672 (bsi_remove): Add new argument. Remove EH information
12673 if requested.
12674 (verify_eh_throw_table_statements): New function.
12675 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12676 updated.
12677 * tree-optimize.c (execute_free_cfg_annotations): Verify
12678 the EH throw statement table after removing annotations.
12679 * except.h (verify_eh_throw_table_statements): Prototype.
12680 * tree-flow.h (bsi_remove): Update prototype.
12681 * tree-vrp.c (remove_range_assertions): Add new argument to
12682 bsi_remove call.
12683 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12684 * tree-complex.c (expand_complex_div_wide): Likewise.
12685 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12686 * tree-tailcall.c (eliminate_tailcall): Likewise.
12687 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12688 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12689 * tree-nrv.c (tree_nrv): Likewise.
12690 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12691 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12692 (combine_blocks): Likewise.
12693 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12694 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12695 (cleanup_control_flow): Likewise.
12696 (remove_forwarder_block): Likewise.
12697 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12698 * tree-sra.c (sra_replace): Likewise.
12699 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12700 (forward_propagate_single_use_vars): Likewise.
12701 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12702 * tree-inline.c (expand_call_inline): Likewise.
12703 * tree-vect-transform.c (vect_transform_loop): Likewise.
12704 * tree-outof-ssa.c (rewrite_trees): Likewise.
12705 * tree-cfg.c (make_goto_expr_edges): Likewise.
12706 (cleanup_dead_labels): Likewise.
12707 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12708 (bsi_move_before, bsi_move_after): Likewise.
12709 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12710 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12712 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12714 PR tree-opt/25528
12715 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12716 and IMAGPART_EXPR.
12717 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12718 on non gimple variables. Also add checks at the top for decls and
12719 mtags.
12720 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12721 complex types.
12722 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12723 and IMAGPART_EXPR for creating MUST_DEFs.
12724 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12725 and NAME_MEMORY_TAG separately from the DECLs.
12727 2006-01-06 Richard Guenther <rguenther@suse.de>
12729 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12730 annotation, if necessary.
12731 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12732 redundant calls to update_stmt.
12733 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12734 Likewise.
12736 2006-01-05 Richard Henderson <rth@redhat.com>
12738 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12740 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12742 * c-typeck.c: Update copyright date.
12744 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12746 * c-typeck.c (build_c_cast): Always warn when casting
12747 from a pointer to an integer of different size, even if
12748 the node was constant.
12750 2006-01-05 Richard Guenther <rguenther@suse.de>
12752 PR tree-optimization/22555
12753 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12754 if one structure field is an array.
12755 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12756 operands even if we found a subvar, but ignore VOPs in this
12757 case.
12758 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12759 for renaming.
12760 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12762 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12764 PR middle-end/24998
12765 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12767 2006-01-05 Richard Guenther <rguenther@suse.de>
12768 Diego Novillo <dnovillo@redhat.com>
12770 * tree-pass.h (TODO_remove_unused_locals): Define.
12771 * gimple-low.c (expand_var_p, remove_useless_vars,
12772 pass_remove_useless_vars): Remove. Update all users.
12773 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12774 (remove_unused_locals): New function.
12775 * tree-flow.h (remove_unused_locals): Declare.
12776 * passes.c (execute_todo): Call remove_unused_locals if
12777 TODO_remove_unused_locals is set.
12778 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12779 * tree-ssa-dce.c (pass_dce): Likewise.
12780 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12782 2006-01-05 Richard Guenther <rguenther@suse.de>
12784 * tree-flow.h (struct fieldoff): Decompose field to
12785 type, size and decl.
12786 * tree-ssa-alias.c (create_sft): Take type as parameter.
12787 (create_overlap_variables_for): Store type, size and decl
12788 in the fieldoff structure.
12789 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12790 of struct fieldoff.
12791 (push_fields_onto_fieldstack): Likewise.
12792 (create_variable_info_for): Likewise. Use offset for the
12793 SFT name if the decl is not available.
12795 2006-01-04 Paul Brook <paul@codesourcery.com>
12797 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12799 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12801 * lambda-code.c (can_put_in_inner_loop): Relax
12802 restrictions.
12803 (can_put_after_inner_loop): New function.
12804 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12805 (perfect_nestify): Change to make copies and modify uses.
12807 2006-01-04 Richard Henderson <rth@redhat.com>
12809 Merge from gomp branch:
12810 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12811 via integer constant.
12812 (pragma_lex): Remove.
12813 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12814 rather than parsing it.
12815 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12816 handle_pragma_extern_prefix): Add %< %> quotes.
12817 (registered_pragmas): New.
12818 (c_register_pragma_1): New.
12819 (c_register_pragma): Use it.
12820 (c_register_pragma_with_expansion): Likewise.
12821 (c_invoke_pragma_handler): New.
12822 (init_pragma): Use cpp_register_deferred_pragma directly for
12823 pch_preprocess.
12824 * c-pragma.h (enum pragma_kind): New.
12825 (pragma_handler): New.
12826 (c_invoke_pragma_handler): Declare.
12827 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12828 CPP_PRAGMA_EOL.
12829 * c-common.h (c_common_pch_pragma): Update decl.
12830 * Makefile.in (c-parser.o): Update dependencies.
12831 (GTFILES): Add c-pragma.h.
12832 * c-parser.c (struct c_token): Add pragma_kind.
12833 (struct c_parser): Add in_pragma.
12834 (c_lex_one_token): Always initialize keyword and pragma_kind.
12835 Extract data for CPP_PRAGMA.
12836 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12837 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12838 Don't allow CPP_PRAGMA_EOL if in_pragma.
12839 (c_parser_consume_pragma): New.
12840 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12841 (c_parser_skip_to_end_of_parameter): Likewise.
12842 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12843 (c_parser_skip_to_pragma_eol): New.
12844 (c_parser_external_declaration): Handle CPP_PRAGMA.
12845 (c_parser_compound_statement_nostart): Likewise.
12846 (c_parser_statement_after_labels): Likewise.
12847 (c_parser_pragma): New.
12848 (pragma_lex): Likewise.
12849 (c_parser_pragma_pch_preprocess): New.
12850 (c_parser_new): Merge into ...
12851 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12853 2006-01-04 Jeff Law <law@redhat.com>
12855 PR ada/24994
12856 * tree-cfg.c (bsi_replace): Remove the original statement
12857 from the EH throw statement table.
12859 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12861 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12862 make the prototype extern "C" and add throw ().
12864 PR target/25554
12865 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12866 and pos non-negative and pos + len <= 32.
12867 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12868 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12869 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12871 PR c/25559
12872 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12873 as well as sizes not multiple of component size.
12875 PR debug/25562
12876 * function.c (instantiate_expr): New function.
12877 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12878 walk its DECL_VALUE_EXPR with instantiate_expr.
12880 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12881 DW_OP_deref{,_size} if address isn't going to be added.
12883 2006-01-04 Ben Elliston <bje@au.ibm.com>
12885 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12886 * config/fp-bit.c: Likewise.
12888 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12890 * dominance.c: Add comment about why we use DFS numbering
12891 of dominance tree.
12893 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12894 Richard Henderson <rth@redhat.com>
12896 Merge from gomp-branch:
12897 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12898 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12900 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12902 PR rtl-optimization/25578
12903 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12904 pass a parameter to simplify_shift_const if changing ASHIFTRT
12905 to LSHIFTRT.
12907 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12909 * builtins.c (get_builtin_sync_mem): New function.
12910 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12911 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12912 Call get_builtin_sync_mem to generate mem rtx.
12914 2006-01-03 Richard Guenther <rguenther@suse.de>
12916 PR c/25183
12917 * stmt.c (add_case_node): Make sure to clear overflow flags
12918 from ranges.
12920 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12922 Merge from gomp-branch.
12923 * config/sparc/sync.md: New file.
12924 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12925 UNSPECV_LDSTUB): New constants.
12926 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12927 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12928 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12929 prototype.
12931 2006-01-03 Roger Sayle <roger@eyesopen.com>
12933 * combine.c (reg_subword_p): New predicate to test whether the
12934 destination of a set refers to a subword/piece of a register.
12935 (try_combine): Generalize the code to merge the setting of a
12936 pseudo to a constant followed by a set of a subword of that
12937 register to a constant.
12939 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12941 * basic-block.h (control_flow_graph): Change the type of
12942 x_label_to_block_map to VEC(basic_block,gc) *.
12943 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12944 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12946 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12947 VEC(basic_block,heap) *.
12948 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12949 ssa_prop_fini): Adjust the uses of cfg_blocks.
12951 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12953 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12954 COMPONENT_REFs.
12955 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12956 hashing trees instead of a pointer hash.
12957 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12958 compare for MEM_EXPR.
12960 PR rtl-optimization/25130
12961 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12962 when comparing MEMs for GCSE
12964 2006-01-03 Ben Elliston <bje@au.ibm.com>
12966 * targhooks.h (default_decimal_float_supported_p): Declare.
12967 * targhooks.c (default_decimal_float_supported_p): Define.
12968 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12969 `default_decimal_float_supported_p'.
12970 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12972 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12974 * combine.c (apply_distributive_law <SUBREG>): Check
12975 TRULY_NOOP_TRUNCATION.
12977 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12979 * dwarf2out.c (have_switched_text_section): Delete.
12980 (have_multiple_function_sections): New.
12981 (have_location_lists): Make 'bool'.
12982 (add_AT_loc_list): Use 'true' not '1'.
12983 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12984 (output_loc_list): Use have_multiple_function_sections.
12985 (output_ranges): Likewise.
12986 (dwarf2out_begin_function): Set have_multiple_function_sections if
12987 necessary.
12988 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12989 Check function_section rather than DECL_SECTION_NAME.
12990 (dwarf2out_finish): Use have_multiple_function_sections.
12991 Don't clear have_location_lists.
12993 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12994 Jan Hubicka <jh@suse.cz>
12996 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12997 case of conditional jump jumping to the next instruction.
12998 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12999 cases of conditional jump jumping to the next instruction.
13001 2006-01-02 Jan Hubicka <jh@suse.cz>
13003 * i386.c (*_cost): Add COSTS_N_INSNS.
13004 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13006 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13008 PR target/25259
13009 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13011 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13013 * config/arm/arm.c (all_fpus): Fix comment typo.
13014 * config/darwin.c: Likewise.
13015 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13016 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13017 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13019 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13021 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13022 (rs6000_split_compare_and_swapqhi): New.
13023 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13024 (sync_compare_and_swapqhi_internal): New.
13025 * config/rs6000/rs6000-protos.h: Declare.