| blob | bec254e2b3f6e511e40d036991ede79f79945f53 |
1 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3 PR other/27063
4 * configure.ac (for lang...): Simplify nesting of conditionals.
5 Test subdir_requires for non-enabled languages. Move processing
6 of lang_opt_files and lang_tree_fiels below that test.
7 * configure: Regenerate.
8 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
12 * doc/gcov.texi (Invoking Gcov): Add a missing word.
14 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
16 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
17 comment typos.
19 2006-06-29 Jason Merrill <jason@redhat.com>
21 PR c++/26905
22 PR c++/26612
23 PR c++/27000
24 PR c++/26984
25 PR c++/19134
26 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
27 * c-common.c (c_determine_visibility): Handle it here.
28 * c-decl.c (finish_decl): Call c_determine_visibility for
29 functions, too.
30 * flags.h (enum symbol_visibility): Sort from most to least visibility.
31 * tree.h: Likewise.
32 * varasm.c (default_assemble_visibility): Likewise.
33 * c-common.c (handle_visibility_attribute): Complain about trying
34 to give visibility to an already defined class, or trying to change
35 declared visibility. Always attach the attribute.
37 PR c++/26905
38 PR c++/21675
39 PR c++/17470
40 * attribs.c (decl_attributes): Ignore type-in-place attributes
41 once the type has been defined.
43 2006-06-29 Roger Sayle <roger@eyesopen.com>
45 PR middle-end/27428
46 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
47 to indicate the cpplib has issued an error message for us.
49 2006-06-29 Asher Langton <langton2@llnl.gov>
51 PR target/25765
52 * config/i386/i386.c (ix86_output_function_epilogue): Don't
53 insert a label at the end of an function under Mach-O.
55 2006-06-29 Eric Christopher <echristo@apple.com>
56 Evan Cheng <evan.cheng@apple.com>
58 * predicates.md (vector_all_ones_operand): New.
59 (nonimmediate_or_sse_const_operand): Ditto.
60 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
61 * config/i386/i386.c (standard_sse_constant_opcode): Define.
62 (standard_sse_mode_p): Ditto.
63 (standard_sse_constant_p): Add case for -1 vector.
64 (ix86_expand_vector_move): Try to use.
65 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
66 Call standard_sse_constant_opcode.
67 (*movv4sf_internal): Ditto.
68 (*movv2df_internal): Ditto.
70 2006-06-29 Roger Sayle <roger@eyesopen.com>
72 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
73 of XEXP to extract the operands of a MATCH_CODE rtx.
75 2006-06-28 Andrew Pinski <pinskia@gmail.com>
77 * tree.c (tree_size): Do not waste tail padding in
78 struct tree_string and make the size be the same as
79 build_string will generate.
81 2006-06-28 Jason Merrill <jason@redhat.com>
83 PR c++/27768
84 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
85 may_aliases already in the tag's annotations to the bitmap.
87 2006-06-28 Roger Sayle <roger@eyesopen.com>
89 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
91 2006-06-28 Roger Sayle <roger@eyesopen.com>
93 * genpreds.c (generate_switch_p): New function.
94 (add_mode_tests): Push the new mode test down inside an AND expr
95 if this allows the switch-suitable MATCH_CODE to be near the root.
96 (write_match_code_switch): New function to write a MATCH_CODE as
97 a switch statement.
98 (write_predicate_stmts): New function to write a predicate RTX
99 expression as a sequence of statements.
100 (write_one_predicate_function): Use write_predicate_stmts.
101 (write_tm_constrs_h): Likewise.
103 2006-06-26 Fred Fish <fnf@specifix.com>
105 * config/mips/t-sb1: New file.
106 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
107 tmake_file list.
109 2006-06-26 DJ Delorie <dj@redhat.com>
111 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
113 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
114 Jayant Sonar <jayants@kpitcummins.com>
115 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
117 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
118 (subsi3, subsi3_1, subsi3_2): New.
119 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
120 * config/m32c/mov.md (SI mov peephole): New.
121 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
122 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
124 2006-06-26 Olivier Hainque <hainque@adacore.com>
126 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
127 a CALL_EXPR target function declaration.
129 2006-06-26 Richard Guenther <rguenther@suse.de>
131 * tree.c (build_string): Do not waste tail padding in
132 struct tree_string.
134 2006-06-26 Richard Guenther <rguenther@suse.de>
136 * ggc-page.c (init_ggc): Add missing element to size_lookup
137 table.
139 Revert
140 2006-06-23 Richard Guenther <rguenther@suse.de>
142 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
143 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
144 alignment requests instead. Add verification code.
145 Add struct tree_function_decl and struct tree_binfo size to
146 extra_order_size_table. Add missing element to size_lookup
147 table.
149 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
151 PR middle-end/28151
152 * fold-const.c (const_binop): Be prepared for self returning zero.
153 Simplify code handling complex values.
155 2006-06-24 Olivier Hainque <hainque@adacore.com>
157 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
158 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
159 aggregate types.
161 2006-06-24 Olivier Hainque <hainque@adacore.com>
163 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
164 ARRAY_REF, so have the callback called for the low bound expression.
166 2006-06-23 Janis Johnson <janis187@us.ibm.com>
168 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
169 * c-typeck.c (c_common_type): Disallow operations on decimal float
170 types and other float types.
171 * convert.c (convert_to_real): Don't ignore conversions involving
172 decimal float types.
174 2006-06-23 Olivier Hainque <hainque@adacore.com>
176 * tree.c (max_int_size_in_bytes): New function, inspired from
177 code in function.c:assign_temp.
178 * tree.h (max_int_size_in_bytes): Declare.
179 * function.c (assign_temp): Use it.
180 * gimplify.c (create_tmp_var): Relax the assertions on the type
181 properties, not mandating constant size any more.
182 (force_constant_size): New static function.
183 (gimple_add_tmp_var): Use it, forcing variable size to a
184 constant upper bound if it is not constant on entry.
186 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
188 PR target/27789
189 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
190 for initialization and setting of one_only flag to ...
191 (i386_pe_encode_section_info): ...here.
192 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
193 Recheck that the symbol has not been defined.
195 2006-06-23 Richard Guenther <rguenther@suse.de>
197 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
198 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
199 alignment requests instead. Add verification code.
200 Add struct tree_function_decl and struct tree_binfo size to
201 extra_order_size_table. Add missing element to size_lookup
202 table.
204 2006-06-22 Roger Sayle <roger@eyesopen.com>
205 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
207 PR middle-end/28131
208 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
209 call to lang_hooks.types.type_for_mode returned NULL_TREE.
211 2006-06-23 Ben Elliston <bje@au.ibm.com>
213 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
214 negate dn -- manipulate it directly.
216 2006-06-22 Roger Sayle <roger@eyesopen.com>
217 Steven Bosscher <stevenb.gcc@gmail.com>
219 PR target/27531
220 * reload1.c (gen_reload): Call mark_jump_label on the new insns
221 generated by gen_move_insn to add REG_LABEL notes if necessary.
223 2006-06-22 Bob Wilson <bob.wilson@acm.org>
225 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
226 (leaf_entry): Remove use of MIN_ESA.
228 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
230 PR rtl-optimization/28121
231 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
232 the entry edge.
234 2006-06-21 DJ Delorie <dj@redhat.com>
236 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
237 (TN-16C-A156A/E).
238 (mulhisi3_r): Likewise.
240 2006-06-21 Richard Sandiford <richard@codesourcery.com>
242 PR middle-end/28034
243 * coverage.c (coverage_counter_alloc): Leave the index type
244 unspecified.
245 (coverage_counter_alloc): Use null arguments for operands 2 and 3
246 of the ARRAY_REF.
248 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
250 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
251 section from the "Options for Code Generation Conventions".
253 2006-06-21 Richard Henderson <rth@redhat.com>
255 PR target/26347
256 PR target/27082
257 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
258 symbols.
259 (global_symbolic_operand): Allow weak symbols, even if local_p.
261 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
263 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
264 (find_interesting_uses_address): Punt if above function returns true.
266 2006-06-21 Richard Guenther <rguenther@suse.de>
268 * configure: Regenerated.
270 2006-06-21 Joseph Myers <joseph@codesourcery.com>
272 * config/mips/mips.c (function_arg): Where one part of a
273 complex argument is in registers and the other part in the stack,
274 return a REG not a PARALLEL.
276 2006-06-21 Mark Mitchell <mark@codesourcery.com>
278 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
279 when cross-compiling. Do not substitute libstdcxx_incdir.
280 * configure: Regenerated.
282 2006-06-21 Jakub Jelinek <jakub@redhat.com>
284 * varasm.c (mergeable_string_section): Check for embedded NULs and
285 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
286 rather than TREE_STRING_LENGTH bytes.
288 2006-06-21 Richard Guenther <rguenther@suse.de>
290 * ggc-page.c (extra_order_size_table): Add var_ann_d,
291 tree_ssa_name, bitmap_element and phi_node with 4 arguments
292 sizes.
294 2006-06-21 Richrad Guenther <rguenther@suse.de>
296 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
297 Limit iteration over the dominators.
299 2006-06-20 Roger Sayle <roger@eyesopen.com>
301 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
302 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
304 2006-06-20 Richard Guenther <rguenther@suse.de>
305 Michael Matz <matz@suse.de>
307 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
308 function.
309 * alloc-pool.c (free_alloc_pool_if_empty): New function.
310 * et-forest.h (et_free_pools): Prototype new function.
311 * et-forest.c (et_free_tree_force): Free parent occurrence.
312 (et_free_pools): New function.
313 * dominance.c (free_dominance_info): Free et-forest alloc
314 pools.
316 2006-06-20 Roger Sayle <roger@eyesopen.com>
318 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
319 integer modes, attempt to directly construct an integer constant.
321 * fold-const.c (native_encode_vector): Determine the size of each
322 element from the vector type instead of the first vector element.
324 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
325 if all of its elements/components are constant.
326 (build_constructor_from_list): Likewise.
328 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
330 PR tree-optimization/27331
331 * tree-data-ref.c (free_data_ref): New function.
332 (create_data_ref): Fail if the data reference has unknown access
333 function.
334 (free_data_refs): Use free_data_ref.
336 2006-06-19 Andrew Pinski <pinskia@gmail.com>
338 PR middle-end/28075
339 * tree-inline.c (setup_one_parameter): Strip useless
340 type conversion before adding it to the IR.
341 (declare_return_variable): Likewise.
343 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
345 PR c/27149
346 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
348 2006-06-19 Mike Stump <mrs@apple.com>
350 * tree.c (variably_modified_type_p): VM arguments don't make the
351 type a VM type.
353 2006-06-19 Richard Guenther <rguenther@suse.de>
355 * tree-ssa-pre.c (try_combine_conversion): Strip useless
356 type conversions after folding.
358 2006-06-19 Richard Guenther <rguenther@suse.de>
360 * ggc-page.c (extra_order_size_tab): Add entries with
361 size of struct function and basic_block.
362 (size_lookup): Extend to cover sizes up to 511.
363 (ggc_alloc_stat): Adjust user.
364 (ggc_pch_count_object): Likewise.
365 (ggc_pch_alloc_object): Likewise.
366 (ggc_pch_write_object): Likewise.
368 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
370 * tree-ssa-loop-niter.c (implies_ge_p): New function.
371 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
372 correctly.
374 2006-06-19 Denis Chertykov <denisc@overta.ru>
376 * config/avr/libgcc.S : Correct my wrong previous commit.
378 2006-06-19 Roger Sayle <roger@eyesopen.com>
380 PR target/27861
381 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
382 have stripped a SUBREG from the shift count, so we may need to
383 convert_to_mode back to the type's mode before calling make_tree.
384 Use new_amount instead of amount to avoid expanding a tree twice.
386 2006-06-19 Richard Guenther <rguenther@suse.de>
388 PR middle-end/28045
389 * fold-const.c (operand_equal_p): Check if the argument types
390 have the same precision before stripping NOPs.
392 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
394 Fix PR tree-optimization/27341
395 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
396 statement we get.
397 * tree-complex.c (pass_lower_complex): Update SMT usage.
399 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
401 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
402 Add a new alternative to the constraint strings. Add move of
403 operand 1 to 3 to the splitter definition.
404 ("doloop_si_long"): Second contraint alternative removed.
406 2006-06-08 Anatoly Sokolov <aesok@post.ru>
408 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
409 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
410 __AVR_HAVE_LPMX__.
411 (AVR_HAVE_MOVW) Define.
412 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
413 (ASM_SPEC): Add avr25.
414 (LINK_SPEC): Add avr25.
415 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
416 (base_arch_s): Add new member 'have_movw_lpmx'.
417 (avr_arch_types): Init 'have_movw_lpmx'.
418 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
419 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
420 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
421 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
422 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
423 AVR_HAVE_MOVW.
424 (avr_file_start): Do not output '.arh' derective.
425 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
426 (__do_copy_data): Use __AVR_HAVE_LPMX__.
427 * config/avr/avr.md (mcu_enhanced): Delete.
428 (mcu_have_movw): Define.
429 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
430 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
431 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
432 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
433 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
434 attiny861 and at86rf401 devices.
436 2006-06-18 Jie Zhang <jie.zhang@analog.com>
438 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
439 of 4096.
441 2006-06-17 Karl Berry <karl@gnu.org>
443 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
444 doc/gccint.texi, doc/install.texi (@dircategory): Use
445 "Software development" instead of "Programming", following
446 the Free Software Directory.
448 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
450 * config/i386/i386.c (legitimate_tls_address)
451 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
452 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
453 (*tls_dynamic_gnu2_combine_64): Likewise.
455 2006-06-16 Richard Guenther <rguenther@suse.de>
457 PR middle-end/27116
458 * fold-const.c (negate_expr_p): Do not introduce undefined
459 overflow in negating INTEGER_CSTs.
460 (fold_negate_expr): Rename from negate_expr. Revert last
461 change for folding BIT_NOT_EXPR. Change semantics to
462 return NULL_TREE for non-simplified negations. Do not
463 strip type conversions and unify type handling.
464 (negate_expr): New function, wrap around fold_negate_expr
465 but ensure building a tree always. Strip type conversions
466 here, fold to result type.
467 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
469 2006-06-16 Roger Sayle <roger@eyesopen.com>
471 PR middle-end/27802
472 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
473 that (would) return their results in stack registers.
475 2006-06-16 Michael Matz <matz@suse.de>
476 Richard Guenther <rguenther@suse.de>
478 * fold-const.c (fold_truthop): Only return new tree node if
479 we canonicalized something.
481 2006-06-16 Richard Guenther <rguenther@suse.de>
483 * function.h (enum function_frequency): Move declaration
484 out of struct function.
485 (struct function): Move bool fields and the enum to the bitfield
486 section. Reorder elements to avoid padding. Remove unused
487 fields left over from the RTL inliner removal.
488 * function.c (free_after_compilation): Do not zero removed fields.
489 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
490 (ipa-type-escape.o): Likewise.
492 2006-06-16 Richard Guenther <rguenther@suse.de>
494 * cgraph.h (struct cgraph_local_info): Turn bool elements
495 into a bitfield.
496 (struct cgraph_node): Likewise.
497 (struct cgraph_varpool_node): Likewise.
499 2006-06-15 Richard Guenther <rguenther@suse.de>
501 * fold-const.c (fold_truth_not_expr): Rename from
502 invert_truthvalue. Give it fold_* semantics to avoid
503 generating garbage.
504 (invert_truthvalue): New function. Wrapper around
505 fold_truth_not_expr.
506 (optimize_minmax_comparison): Avoid creating garbage.
507 (fold_unary): Use fold_truth_not_expr for folding
508 TRUTH_NOT_EXPR.
509 (fold_ternary): Replace uses of invert_truthvalue with
510 fold_truth_not_expr where applicable.
511 * tree.h (fold_truth_not_expr): Prototype.
513 2006-06-16 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/27781
516 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
517 * ipa-pure-const.c (target.h): Include.
518 (analyze_function): Do not analyze functions that do not
519 bind locally.
521 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
523 PR middle-end/27793
524 * tree-dfa.c (referenced_vars_dup_list): Remove.
525 (find_referenced_vars): Remove assert.
526 (referenced_var_check_and_insert): Replace dup list with assert.
527 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
528 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
530 2006-06-15 Richard Guenther <rguenther@suse.de>
532 * tree-ssa-structalias.c (alias_get_name): Avoid creating
533 extra unused identifiers if not dumping.
534 (create_variable_info_for): Likewise.
536 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
538 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
539 (derive_constant_upper_bound): Derive more precise upper bound in
540 common cases. Return type changed to double_int.
541 (record_estimate): Reflect the changed return type of
542 derive_constant_upper_bound.
543 * double-int.c (double_int_zext, double_int_sext): Fix.
545 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
547 * configure.ac (CFLAGS): Get them from the toplevel or from the
548 configure invocation.
549 * configure: Regenerate.
550 * Makefile.in (CFLAGS): Substitute value provided by configure.
552 2006-06-14 Mark Mitchell <mark@codesourcery.com>
554 PR c++/26559
555 * c-common.h (c_finish_omp_atomic): Adjust declaration.
556 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
557 rather than calling add_stmt on it.
558 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
560 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
562 PR middle-end/27959
563 * reload1.c (reload): Remove registers returned by update_eliminables
564 from used_spill_regs.
566 2006-06-13 DJ Delorie <dj@redhat.com>
568 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
570 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
572 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
573 html__strip_dir, html__mkdir_p. Enhance install-html target.
574 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
575 * configure: Regenerate.
577 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
579 * fold-const.c (fold_cond_expr_with_comparison): Check for
580 Objective-C++ as language in deciding COND_EXPR transformation.
582 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
584 PR target/28014:
585 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
586 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
587 * config/sh/lib1funcs.h (SL, SL1): Define.
588 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
589 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
590 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
591 (OBJS_Os_4_200): New variable.
592 ($(T)libgcc-Os-4-200.a): Use it.
593 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
594 when dividing 1 and/or by 0.
596 2006-06-13 Roger Sayle <roger@eyesopen.com>
598 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
599 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
600 * configure: Regenerate.
602 2006-06-13 Jie Zhang <jie.zhang@analog.com>
604 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
605 for real instruction.
607 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
609 PR middle-end/26807
610 * haifa-sched.c (check_cfg): Handle special case.
612 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
614 PR debug/26754
615 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
616 Add debug_info parameter. Chain the vars to the BLOCK instead
617 of the BIND_EXPR if debug info are requested for them.
618 (pop_gimplify_context): Adjust for above change.
619 (gimple_add_tmp_var): Likewise.
620 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
621 Add bool parameter.
622 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
623 (convert_local_reference): Likewise.
624 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
625 (finalize_nesting_tree_1): Request that debug info be emitted
626 for debug_var_chain.
628 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
630 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
631 for PR target/27863.
633 2006-06-13 Richard Guenther <rguenther@suse.de>
635 PR middle-end/27536
636 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
638 2006-06-13 Richard Guenther <rguenther@suse.de>
640 PR tree-optimization/27830
641 * tree-inline.c (copy_body_r): For copying the operand
642 of an ADDR_EXPR make sure to fold &* afterwards.
644 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
646 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
647 lvalues in the fb_none case with side-effects.
649 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
651 * tree-flow.h: Remove the prototype for
652 compute_phi_arg_on_exit.
653 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
654 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
655 Remove.
657 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
659 * builtins.c (expand_builtin_return_addr): Only use
660 frame_pointer_rtx when count == 0 and we are expanding
661 __builtin_return_address.
663 2006-06-12 Fred Fish <fnf@specifix.com>
665 * config/mips/mips.c (mips_file_start): Create special section
666 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
668 2006-06-11 Eric Christopher <echristo@apple.com>
670 PR middle-end/27948
671 * stor-layout.c (place_field): Remove check for
672 remaining_in_alignment when aligning at the end of a run.
674 2006-06-11 Eric Christopher <echristo@apple.com>
676 PR 27542
677 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
678 pragma.
680 2006-06-11 Roger Sayle <roger@eyesopen.com>
682 PR target/27858
683 Revert incorrect fix for PR target/27158
684 2006-05-08 Roger Sayle <roger@eyesopen.com>
685 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
686 of a reg_equiv_constant if the result is a legitimate constant.
688 2006-06-11 Roger Sayle <roger@eyesopen.com>
690 PR target/27158
691 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
692 extract a CONST_VECTOR element and interpret it as an integer.
693 (vspltis_constant): Use const_vector_elt_as_int instead of the
694 macro CONST_VECTOR_ELT in order to handle FP vector modes.
695 * config/rs6000/predicates.md (easy_vector_const): Consider
696 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
698 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
700 PR middle-end/27942
701 * stor-layout.c (update_alignment_for_field): Don't add extra
702 alignment for packed non-bitfield fields in ms_bitfield_layout_p
703 code.
705 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
707 * config/mips/t-rtems: Add EL/EB multilib variants.
709 2006-06-09 Mike Stump <mrs@apple.com>
711 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
713 2006-06-09 David Daney <ddaney@avtrex.com>
715 * doc/install.texi: Add binutils version recommendation for mips-*-*.
717 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
719 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
721 2006-06-09 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/26998
724 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
725 of signed types, only TYPE_MIN_VALUE is special, but for both,
726 minimum and maximum value. Likewise VR_ANTI_RANGE is special
727 in this case, as is -fwrapv.
729 2006-06-08 Mike Stump <mrs@apple.com>
731 PR target/26427
732 * config/darwin.c (darwin_asm_output_anchor): Disable
733 -fsection-anchors on darwin for now.
734 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
735 * rs6000/rs6000.c (optimization_options): Likewise.
737 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
739 PR target/27421
740 * config/i386/i386.c (classify_argument): Skip fields with invalid
741 types in unions.
743 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
745 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
746 (cse_insn): Likewise for the stack_pointer_rtx.
748 2006-06-08 Roger Sayle <roger@eyesopen.com>
750 * tree-ssa-dom.c (record_conditions): Only record "unordered"
751 conditions from floating point comparisons.
753 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
755 PR middle-end/27733
756 * expmed.c (struct alg_hash_entry): Fix type of field T
757 to match synth_mult argument.
758 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
760 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
762 PR target/27863
763 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
764 block boundaries.
766 2006-06-08 Richard Guenther <rguenther@suse.de>
768 PR middle-end/27116
769 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
770 only, if overflow is defined and not trapping.
771 (negate_expr): Likewise.
773 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
775 PR tree-optimization/27872
776 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
777 flag on the new exit edge of the unrolled loop.
779 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
781 PR rtl-optimization/26449
782 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
784 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
786 PR middle-end/27793
787 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
788 referenced_variables with matching DECL_UID's.
789 (find_referenced_vars): Make sure duplicate list is empty to start.
790 (referenced_var_p): Remove.
791 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
792 Check if var is in the list, and add if needed. Update the duplicate
793 list if a different var is in the list with the same DECL_UID.
794 (add_referenced_var): Call routine to check and insert.
795 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
796 * tree-flow.h (referenced_vars_dup_list): External declaration.
798 2006-06-07 Fred Fish <fnf@specifix.com>
800 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
801 into single entry.
803 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
805 PR target/27390
806 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
807 the imaginary and real parts of a clobbered register.
808 Emit insn to set the imaginary part.
810 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
812 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
813 in lieu of unwind-dw2-fde.c.
815 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
817 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
819 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
821 PR target/27842
822 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
823 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
824 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
825 V4SImode temporaries and operations instead.
827 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
829 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
830 dp-bit.c.
832 2006-06-06 Mike Stump <mrs@apple.com>
834 * Makefile.in: Rename to htmldir to build_htmldir to avoid
835 installing during build.
837 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
839 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
840 value to 0.
841 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
842 * config/ia64/ia64.c (params.h): New header.
843 (ia64_optimization_options): New function to adjust parameters.
844 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
845 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
846 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
848 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
850 * stor-layout.c (debug_rli): Fix a typo in a debug message.
852 2006-06-05 Steve Ellcey <sje@cup.hp.com>
854 PR target/27051
855 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
857 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
858 Victor Kaplansky <victork@il.ibm.com>
860 PR tree-optimization/26360
861 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
862 stmts.
864 2006-06-04 Roger Sayle <roger@eyesopen.com>
865 Andrew Pinski <pinskia@physics.uc.edu>
867 PR middle-end/27382
868 * c-common.c (c_common_truthvalue_conversion): Explicitly check
869 for LABEL_DECL before calling DECL_WEAK.
871 PR c/27150
872 * c-typeck.c (build_binary_op): Likewise, explicitly check for
873 LABEL_DECL and PARM_DECL.
875 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
877 PR c/25161
878 PR c/27020
879 * c-decl.c (grokdeclarator): Disallow variably modified types at
880 file scope. Avoid marking shared array type of constant size as
881 VLA.
883 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
885 PR c++/27601
886 * c-common.c (fold_offsetof_1): Handle static members.
888 2006-06-04 Eric Christopher <echristo@apple.com>
890 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
891 (debug_rli): Output value for remaining_in_alignment.
892 (update_alignment_for_field): Unconditionalize
893 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
894 extra alignment code.
895 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
896 ms_bitfield_layout_p code. Rewrite handling of structure fields.
897 * tree.h (record_layout_info_s): Remove prev_packed.
898 * doc/extend.texi (ms_struct): Add documentation of format.
900 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
902 * tree.h: Declare folding_initializer.
903 * builtins.c (fold_builtin_constant_p): Give definite answer
904 if folding inside an initializer.
905 * fold-const.c: Define folding_initializer.
906 (START_FOLD_INIT): Save and then set folding_initializer.
907 (END_FOLD_INIT): Restore folding_initializer.
909 2006-06-04 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/27039
912 * fold-const.c (fold_comparison): Handle pointer comparison
913 again for all comparison codes. Compare offsets in signed
914 size type.
915 (fold_binary): Move code from here.
917 2006-06-03 Roger Sayle <roger@eyesopen.com>
919 PR target/26223
920 * config/i386/i386.c (construct_container): Split static issued_error
921 flag into issued_sse_arg_error, issued_sse_ret_error and
922 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
923 requires the use of x87 registers and the user explicitly
924 specified the -mno-80387 command line option.
926 2006-06-02 Geoffrey Keating <geoffk@apple.com>
928 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
929 HAVE_DECL_SIGALTSTACK.
930 (MC_FLD): New.
931 (segv_handler): Use MC_FLD.
932 * configure.ac: Check for a sigaltstack declaration.
933 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
934 * configure: Regenerate.
935 * config.in: Regenerate.
937 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
939 PR other/27850
940 * Makefile.in (stmp-fixinc): Fix typo.
942 2006-06-02 Roger Sayle <roger@eyesopen.com>
944 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
945 are type correct. Clean-up.
946 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
947 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
949 2006-06-01 DJ Delorie <dj@redhat.com>
951 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
952 shift, as we've disabled the "switch" insn that needs it.
954 2006-06-01 Per Bothner <bothner@bothner.com>
956 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
957 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
958 * c-ppoutput.c (cb_define): Don't increment line 0.
960 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
962 * doc/invoke.texi: Add cpu_type power6.
963 * config.gcc: Add cpu_type power6.
964 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
965 to power5+ with Altivec.
966 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
967 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
969 2006-05-30 Anatoly Sokolov <aesok@post.ru>
971 * config/avr/avr.h (SET_ASM_OP): Define.
973 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
975 * config/bfin/bfin.c: Fix comment typos.
977 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
979 PR 25453
980 * doc/install.texi: Document --enable-bootstrap and
981 --disable-bootstrap.
983 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
985 * doc/install.texi: Document that InfoZIP can replace jar.
987 2006-05-31 Roger Sayle <roger@eyesopen.com>
989 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
990 isn't available, directly generate the simpler x87 patterns without
991 the (use (const_int 0)).
992 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
993 implementation isn't available.
994 (*negdf2_1): Likewise.
995 (*negxf2_1): XF mode negation is always done using the x87.
996 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
998 2006-05-31 Roger Sayle <roger@eyesopen.com>
1000 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1001 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1002 cabs(z).
1003 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1005 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1007 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1008 * config/bfin/bfin.c (basic-block.h): Include.
1009 (struct machine_function): New.
1010 (bfin_init_machine_status): New.
1011 (override_options): Initialize init_machine_status.
1012 (bfin_hardware_loop): New.
1013 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1014 (DEF_VEC_P (loop_info)): New.
1015 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1016 (struct loop_info): New.
1017 (loop_info): New typedef.
1018 (struct loop_work): New.
1019 (loop_work): New typedef.
1020 (DEF_VEC_O (loop_work)): New.
1021 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1022 (bfin_dump_loops): New.
1023 (bfin_bb_in_loop): New.
1024 (bfin_scan_loop): New.
1025 (bfin_optimize_loop): New.
1026 (bfin_reorg_loops): New.
1027 (bfin_reorg): Use bfin_reorg_loops.
1028 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1029 loop registers.
1030 (I_REGNO_P): Simplify.
1031 (DP_REGNO_P, DPREG_P): New macros.
1032 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1033 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1034 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1035 Add LT_REGS, LC_REGS, LB_REGS.
1036 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1037 'l' for LB_REGS.
1038 (REGNO_REG_CLASS): Deal with loop registers.
1039 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1040 letters.
1041 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1042 New constants for loop registers.
1043 (UNSPEC_LSETUP_END): New.
1044 (seq_insns): New define_attr. Set it for appropriate insns.
1045 (movsi_insn): Add alternatives for move from/to
1046 loop count registers.
1047 (doloop_end): New define_expand.
1048 (loop_end): New define_insn.
1049 (define_split for bad doloop_end): New.
1050 (lsetup_with_autoinit): New define_insn.
1051 (lsetup_without_autoinit): New define_insn.
1052 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1053 * config/bfin/predicates.md (lc_register_operand): New.
1054 (lt_register_operand): New.
1055 (lb_register_operand): New.
1056 (nondp_register_operand): New.
1057 (nondp_reg_or_memory_operand): New.
1058 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1060 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1062 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1063 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1065 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1067 * Makefile.in (CATALOGS): Add po/ prefix.
1068 * configure: Regenerated.
1070 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1072 PR target/27829
1073 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1074 a shift operand before calling shift_op. Avoid redundant call of
1075 shift_op.
1077 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1078 DJ Delorie <dj@redhat.com>
1080 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1081 we're inserting is a singlt-bit constant.
1083 2006-05-30 Roger Sayle <roger@eyesopen.com>
1085 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1086 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1088 2006-05-30 Roger Sayle <roger@eyesopen.com>
1090 PR tree-optimization/23452
1091 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1092 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1093 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1094 complex values and with -ffast-math for FP complex values.
1096 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1098 * c-common.h: Remove the prototype for yyparse.
1099 * rtl.h: Remove the prototype for init_loop.
1101 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1103 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1104 calling recog.
1106 2006-05-30 Roger Sayle <roger@eyesopen.com>
1108 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1109 and rotate cases.
1110 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1111 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1113 2006-05-30 Dirk Mueller <dmueller@suse.de>
1115 PR c/27273
1116 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1117 for CONSTANT_CLASS_P expresisons.
1119 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1121 PR c/27718
1122 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1124 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1126 PR tree-optimization/27779
1127 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1128 initial_condition instead of CHREC_LEFT.
1130 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1132 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1133 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1134 Make prototypes ISO C90.
1136 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1137 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1139 * see.c (see_analyze_one_def): Correct check.
1140 (see_get_extension_data): Check if extension is parallel.
1141 (see_get_extension_reg): Likewise.
1143 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1145 PR target/27790
1146 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1147 into register for (code == GTU).
1149 2006-05-29 Roger Sayle <roger@eyesopen.com>
1151 PR tree-optimization/24964
1152 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1153 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1154 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1155 abs(x)*abs(x) as x*x for scalar floating point modes.
1157 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1159 PR middle-end/27745
1160 * lambda-code.c (perfect_nestify): Don't copy statements
1161 in the inner loop: move them to the inner loop header.
1163 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1165 PR 26237
1166 * c-tree.texi: Document OpenMP directives and clauses.
1168 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1170 * varasm.c (globalize_decl): Fix indentation.
1172 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1174 PR 26242
1175 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1176 pass_fre, pass_store_ccp, pass_copy_prop,
1177 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1178 pass_return_slot, pass_object_size, pass_lim,
1179 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1180 pass_loop_prefetch and pass_stdarg.
1182 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1184 * config/bfin/bfin.opt (mfdpic): New option.
1185 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1186 (EXTRA_MULTILIB_PARTS): Likewise.
1187 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1188 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1189 multilib.
1190 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1191 (CRT_CALL_STATIC_FUNCTION): New.
1192 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1193 -shared.
1194 (CRT_CALL_STATIC_FUNCTION): New.
1195 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1196 FD-PIC moves.
1197 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1198 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1199 (initialize_trampoline): Changed to handle FD-PIC code generation.
1200 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1201 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1202 (override_options): Disallow -mid-shared-library -mfdpic combination.
1203 Can't do unaligned ops if FD-PIC.
1204 Turn off flag_pic if trying to generate non-id-shared-library
1205 non-fdpic code, since it's not supported.
1206 (bfin_assemble_integer): New function.
1207 (TARGET_ASM_INTEGER): Define.
1208 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1209 __BFIN_FDPIC__.
1210 * config/bfin/crtn.s: Restore them.
1211 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1212 if TARGET_FDPIC.
1213 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1214 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1215 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1216 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1217 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1218 call-used.
1219 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1220 FDPIC_REGS and FDPIC_FPTR_REGS.
1221 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1222 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1223 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1224 (load_funcdescsi): New pattern.
1225 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1226 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1227 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1229 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1231 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1232 loop.c.
1234 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1236 * tree-flow.h: Remove the prototype for add_type_alias.
1237 * tree-ssa-alias.c (add_type_alias): Remove.
1239 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1241 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1242 config/fr30/fr30.md, config/i386/i386-interix.h,
1243 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1244 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1245 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1246 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1247 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1248 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1249 Follow spelling conventions.
1250 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1251 Follow spelling conventions.
1253 2006-05-27 Richard Guenther <rguenther@suse.de>
1255 PR middle-end/27773
1256 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1257 to produce a constant of value 1 of generic type.
1259 2006-05-27 Dirk Mueller <dmueller@suse.de>
1261 * cgraphunit.c (decide_is_function_needed): Fix wrong
1262 PR reference.
1264 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1266 PR rtl-optimization/27661
1267 * reload.c (find_reloads): When reloading a VOIDmode constant
1268 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1269 use Pmode as mode of the reload register.
1271 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1273 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1274 is enabled at -O and above.
1276 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1278 PR target/27571
1279 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1280 table data.
1282 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1284 PR c++/20103
1285 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1286 for anonymous variables explicitly declared by front ends.
1288 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1290 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1291 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1292 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1293 ref-all pointers, run a finalization pass for them.
1294 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1295 (finalize_ref_all_pointers): New function.
1296 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1297 regular pointer type to a ref-all pointer type.
1298 (get_tmt_for): Return the special memory tag for ref-all pointers.
1300 2006-05-25 Richard Guenther <rguenther@suse.de>
1302 PR middle-end/27743
1303 * fold-const.c (fold_binary): Do not look at the stripped
1304 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1306 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1308 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1309 for LT and GT if the computed range is effectively empty.
1311 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1313 PR target/27627
1314 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1315 mips_quad_format formats instead of ieee_single_format,
1316 ieee_double_format and ieee_quad_format formats, respectively.
1318 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1320 PR tree-optimization/27639
1321 PR tree-optimization/26719
1322 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1323 call to scev_probably_wraps_p.
1324 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1325 used_in_pointer_arithmetic_p, convert_step): Removed.
1326 (nowrap_type_p): New function.
1327 (scev_probably_wraps_p): Rewritten.
1328 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1329 chrec_convert if chrec_convert_aggressive might have been used.
1330 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1331 scev_direction): New functions.
1332 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1333 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1334 instead of convert_step.
1335 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1336 (convert_step): Declaration removed.
1337 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1339 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1341 * df-core.c: Added to header comments.
1342 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1343 df_ur_bb_info, df_urec_bb_info): Added comments.
1344 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1345 urec, ri problems): Fixed header comments.
1346 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1347 code from df_rd_transfer_function.
1349 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1351 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1352 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1353 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1355 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1357 * expr.c (undefined_operand_subword_p): New.
1358 (emit_move_multi_word): Do not generate move from undefined bits
1359 of a paradoxical subreg.
1361 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1363 PR rtl-optimization/27736
1364 * combine.c (replaced_rhs_value): New variable.
1365 (combine_instructions): Set it.
1366 (distribute_notes): When distributing a note in replaced_rhs_insn,
1367 check whether the value was used in replaced_rhs_value.
1369 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1371 PR c++/26757
1372 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1373 add_referenced_var instead of add_referenced_tmp_var.
1374 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1375 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1376 add_referenced_var.
1377 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1378 tree_optimize_tail_calls_1): Use add_referenced_var.
1379 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1380 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1381 Use add_referenced_var.
1382 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1383 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1384 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1385 Use add_referenced_var.
1386 * tree-dfa.c (struct walk_state): Remove.
1387 (find_referenced_vars): Remove walk state and vars_found hash table.
1388 (make_rename_temp): Use add_referenced_var.
1389 (find_vars_r): Pass less parameters to add_referenced_var.
1390 (referenced_var_p): New. Is var in referenced_var hash table.
1391 (referenced_var_insert): Assert var isn't already in hash table.
1392 (add_referenced_var): Don't need walk_state parameter. Add var if it
1393 isn't already in the hash table.
1394 (add_referenced_tmp_var): Remove.
1395 (find_new_referenced_vars_1): Use add_referenced_var.
1396 * tree-ssa-pre.c (create_expression_by_pieces,
1397 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1398 Use add_referenced_var.
1399 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1400 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1401 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1402 add_referenced_var.
1403 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1404 vect_create_data_ref_ptr, vect_create_destination_var,
1405 vect_init_vector, vect_build_loop_niters,
1406 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1407 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1408 Use add_referenced_var.
1409 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1410 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1411 (add_referenced_var): Add prototype.
1412 * tree-ssa-structalias.c (get_constraint_for,
1413 intra_create_variable_infos): Use add_referenced_var.
1415 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1417 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1418 big-endian paradoxical subregs.
1419 * var-tracking.c (struct micro_operation_def): Document that,
1420 for modify micro operations, insn is the subsequent instruction.
1421 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1422 (var_reg_set, var_mem_set): ... new functions.
1423 (add_stores): Record subsequent insn.
1424 (compute_bb_dataflow): Use new functions for MO_USE.
1425 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1426 notes after the insn, and modify notes before the insn known
1427 to be the subsequent one.
1428 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1430 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1432 PR target/27696
1433 * config/i386/i386.c (ix86_expand_builtin): Use
1434 gen_sse3_monitor64 for TARGET_64BIT.
1436 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1438 PR rtl-optimization/26375
1439 PR rtl-optimization/26855
1440 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1441 to gen set.
1442 (df_ru_bb_local_compute): Reversed statements and removed bogus
1443 comment explaining why they should be in wrong order.
1444 (df_ru_dump, df_rd_dump): Enhanced debug info.
1445 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1446 debug info.
1447 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1448 reaching uses and fixed space problem.
1450 2006-05-23 Jan Hubicka <jh@suse.cz>
1452 * cgraphunit.c (decide_is_function_needed): Also nested functions
1453 and functions declared inline can be optimized out at -O0.
1455 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1457 * doc/install.texi (Configuration): Remove reference to CrossGCC
1458 FAQ which was gone.
1459 (Building): Ditto.
1461 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1463 PR target/27266
1464 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1465 ix86_compare_emitted is non-NULL.
1467 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1469 PR c++/27451
1470 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1471 clobbers.
1473 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1475 PR rtl-optimization/25514
1476 * combine.c (replaced_rhs_insn): New variable.
1477 (combine_instructions): Set replaced_rhs_insn when trying to replace
1478 a SET_SRC with a REG_EQUAL note.
1479 (distribute_notes): Use replaced_rhs_insn when determining the live
1480 range of a REG_DEAD register.
1482 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1483 Anatoly Sokolov <aesok@post.ru>
1485 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1486 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1487 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1488 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1489 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1490 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1491 at90usb647, at90usb1286 and at90usb1287 devices.
1492 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1493 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1495 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1497 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1499 2006-05-22 Richard Guenther <rguenther@suse.de>
1501 Revert
1502 2006-01-31 Richard Guenther <rguenther@suse.de>
1503 Paolo Bonzini <bonzini@gnu.org>
1505 * doc/install.texi (--disable-libgcc-math): Document.
1507 2006-05-22 Richard Guenther <rguenther@suse.de>
1509 Revert
1510 2006-01-31 Richard Guenther <rguenther@suse.de>
1512 * doc/invoke.texi (-msselibm): Document.
1513 * target.h (expand_library_builtin): New target hook.
1514 * builtins.c (expand_builtin): Use expand_library_builtin.
1515 (default_expand_library_builtin): New function.
1516 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1517 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1518 (link_gcc_math_spec): Declare.
1519 (static_specs): Add link_gcc_math_spec.
1520 * expr.h (default_expand_library_builtin): Declare.
1521 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1522 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1523 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1524 * config/i386/i386.opt (msselibm): New target option.
1525 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1526 (ix86_init_sse_abi_builtins): New function.
1527 (ix86_expand_library_builtin): Likewise.
1528 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1529 (override_options): Handle error conditions wrt -msselibm.
1530 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1531 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1532 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1533 builtins.
1535 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1537 PR c/27420
1538 * c-common.c (self_promoting_args_p): Skip erroneous args.
1540 PR c/26818
1541 * c-decl.c (finish_struct): Skip erroneous fields.
1543 2006-05-22 Nick Clifton <nickc@redhat.com>
1545 * config/cris/cris.opt (march): Remove VarExists attribute.
1546 (max-stackframe=): Likewise.
1548 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1550 * doc/rtl.texi: Fix a typo.
1551 * see.c: Fix comment typos.
1553 * tree-ssa-structalias.h (alias_info): Remove num_references.
1555 2006-05-21 Mike Stump <mrs@apple.com>
1557 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1558 (BAD2): Add.
1559 (darwin_pragma_options): Use BAD instead.
1560 (darwin_pragma_unused): Likewise.
1561 (darwin_pragma_ms_struct): Likewise.
1563 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1565 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1567 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1569 PR rtl-optimization/27671
1570 * simplify-rtx.c (simplify_relational_operation_1): Fix
1571 simplifications of (eq/ne (xor x y) y) and
1572 (eq/ne (xor x y) x).
1574 PR tree-optimization/26622.
1575 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1576 on arg1.
1578 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1580 * tree-cfg.c: Prune whitespace.
1581 (debug_tree_cfg): Point to correct header containing the
1582 TDF_* defines.
1584 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1586 PR middle-end/25776
1587 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1589 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1591 PR middle-end/25776
1592 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1593 or sorry count is non zero.
1595 2006-05-20 Andreas Schwab <schwab@suse.de>
1597 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1599 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1600 Kenneth Zadeck <zadeck@naturalbridge.com>
1602 PR rtl-optimization/26855
1604 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1605 multiword refs.
1606 (df_scan_alloc): Added code to properly handle multiword hard
1607 registers and add all_blocks parameter.
1608 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1609 code to properly handle multiword hard registers.
1610 (df_rescan_blocks): Added code to remove deleted blocks from
1611 bitmap.
1612 (df_ref_create_structure, df_ref_record): Added code to properly
1613 handle subregs.
1614 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1615 and set DF_REF_PARTIAL.
1616 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1617 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1618 (df_scan_add_problem): Added flags parameter.
1619 (df_ref_create_structure): Changed switching structure.
1620 (df_bb_refs_record): Fixed case where duplicate artificial refs
1621 were created. Changed location of flags.
1622 (df_record_entry_block_defs): Added code to make stack pointer
1623 live in entry block. Refined cases where frame pointer is needed.
1624 Changed location of flags.
1625 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1626 (df_set_state): Removed function.
1627 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1628 df_insn_create_insn_record, df_insn_refs_delete,
1629 df_ref_create_structure): Formatting changes.
1630 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1631 df_delete_basic_block): New function.
1632 (df_init): Changed location of flags.
1633 (df_add_problem): Added flags parameter and the way flags are
1634 processed.
1635 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1636 debug_df_chain): Improved debugging output.
1637 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1638 (df_refs_chain_dump): Removed df parameter.
1639 (df_iterative_dataflow): Added consistency check.
1640 (df_prune_to_subcfg): Made public.
1641 (df_analyze_problem): Added blocks_to_init parameter and made
1642 public.
1643 (df_ref_record, df_bb_refs_record, df_mark_reg,
1644 df_record_exit_block_uses): Whitespace changes.
1645 (df_dump): Whitespace changes.
1646 * df.h: Some reordering to remove forward references.
1647 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1648 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1649 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1650 (dataflow.flags): New field.
1651 (df.flag): Deleted field.
1652 (df_alloc_function): Added additional bitmap parameter.
1653 (df_dependent_problem_function): New type.
1654 (df_problem.changeable_flags): New field.
1655 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1656 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1657 (df_mw_hardreg): New struct.
1658 (DF_INSN_UID_MWS): New macro.
1659 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1660 parameter.
1661 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1662 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1663 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1664 (df_set_state): Removed function.
1665 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1666 * df-problems.c (df_chain_dump): Removed df parameter.
1667 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1668 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1669 parameter.
1670 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1671 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1672 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1673 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1674 DF_REF_MUST_CLOBBER cases.
1675 (df_ru_bb_local_compute_process_def,
1676 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1677 df_lr_bb_local_compute, df_ur_bb_local_compute,
1678 df_chain_create_bb): Made subreg aware.
1679 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1680 df_lr_bb_local_compute, df_lr_bb_local_compute,
1681 df_chain_create_bb): Cleanup to use proper macros.
1682 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1683 code to fixup bitvectors.
1684 (df_ri_alloc): Cleared lifetime.
1685 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1686 df_create_unused_note): New function.
1687 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1688 REG_DEAD and REG_UNUSED notes as well as register information.
1689 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1690 df_chains_dump): Fixed crash if problem was never run.
1691 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1692 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1693 df_ri_add_problem): Processes flags in uniform manner.
1694 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1695 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1696 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1697 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1698 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1699 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1700 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1701 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1702 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1703 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1704 * see.c (see_initialize_data): Ditto.
1705 * final.c (rest_of_clean_state) Added regstack_completed.
1706 * rtl.h (regstack_completed): Ditto.
1707 * reg-stack.c (regstack_completed): Ditto.
1709 2006-05-19 Mike Stump <mrs@apple.com>
1711 * c-tree.h (default_conversion): Remove.
1712 * c-common.h (default_conversion): Add.
1714 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1716 * tree-vrp.c (valid_value_p): New function.
1717 (adjust_range_with_scev): Fail if the value of bound is not
1718 simple.
1720 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1722 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1723 (mips_fallback_frame_state): Use syscall numbers to determine
1724 the appropriate li instruction for the current ABI. Only use
1725 __NR_sigreturn for o32.
1727 2006-05-19 Nicolas Setton <setton@adacore.com>
1729 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1730 * langhooks.c (lhd_dwarf_name): New function.
1731 * langhooks-def.h (lhd_dwarf_name): Declare.
1732 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1733 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1734 * ada/misc.c (gnat_dwarf_name): New function.
1735 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1737 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1739 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1740 libgcc2.h.
1741 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1742 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1743 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1744 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1745 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1746 determine the size of Wtype, etc.
1747 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1748 (swfloatfuncs): New variable.
1749 (dwfloatfuncs): Likewise.
1750 (lib2funcs): Remove floating-point conversion functions from
1751 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1752 the set of conversion routines needed. Allow entries to specify
1753 an object name, filename and word size. Update users accordingly.
1754 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1755 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1757 Revert:
1759 2006-02-08 Roger Sayle <roger@eyesopen.com>
1761 PR target/22209
1762 * config/fixtfdi.c: New libgcc source file.
1763 * config/fixunstfdi.c: New source file.
1764 * config/floatditf.c: New source file.
1765 * config/floatunditf.c: New souce file.
1766 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1767 files above instead of config/mips/_tilib.c.
1768 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1770 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1772 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1773 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1775 2006-05-18 Mike Stump <mrs@apple.com>
1777 Fix up vla, vm and [*] sematics.
1779 PR c/18740
1780 PR c/7948
1781 PR c/25802
1782 PR c/27673
1783 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1784 (c_vla_unspec_p): Add.
1785 (c_vla_type_p): Add.
1786 * c-decl.c (struct c_scope): Add had_vla_unspec.
1787 (build_array_declarator): Add support for [*].
1788 (grokdeclarator): Likewise.
1789 (grokparms): Likewise.
1790 (get_parm_info): Likewise.
1791 * c-objc-common.c (c_vla_unspec_p): Likewise.
1792 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1793 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1794 typeof when argument is a variably modified type not inside sizeof or alignof.
1795 (c_parser_direct_declarator_inner): Propagate errors.
1796 (c_parser_sizeof_expression): Add support for [*].
1797 (c_parser_parms_declarator): Initialize had_vla_unspec.
1798 (c_parser_parms_list_declarator): Likewise.
1799 * c-typeck.c (c_vla_type_p): Add.
1800 (composite_type): Add support for vla compositing.
1801 (comptypes_internal): Add support for vla compatibility.
1802 (c_expr_sizeof_expr): Evaluate vla arguments.
1803 * tree.c (variably_modified_type_p): Update comment for [*].
1805 2006-05-18 Michael Matz <matz@suse.de>
1807 PR target/27599
1808 * config.host: Make assignments to host_xmake_file cumulative.
1809 * config.host (*-darwin*): Test $host, not $target.
1811 2006-05-12 Stuart Hastings <stuart@apple.com>
1813 * config/i386/i386.opt (-mstackrealign): New flag.
1814 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1815 (ix86_handle_cconv_attribute): Emit error when
1816 force_align_arg_pointer attribute collides with too many regparms.
1817 (ix86_function_regparm): Limit regparms when used with
1818 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1819 Support stack-realigning prologue in non-main functions. Emit
1820 warning for nested functions under -mstackrealign, emit error for
1821 nested functions with force_align_arg_pointer attribute.
1822 * doc/extend.texi (force_align_arg_pointer): Document it.
1823 * doc/invoke.texi (-mstackrealign): Document it.
1825 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1827 PR rtl-optimization/27477
1828 * combine.c (try_combine): Don't split a parallel consisting
1829 of two sets into two individual sets if both sets reference
1830 cc0.
1832 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1834 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1835 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1837 * doc/options.texi (VarExists): Updated.
1839 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1841 * unwind-dw2.c: Add declarations for uw_update_context and
1842 uw_frame_state_for.
1843 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1844 detected, advance frame state and context once to skip over stub.
1846 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1848 PR middle-end/20256
1849 PR middle-end/26435
1850 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1851 Call rewrite_into_loop_closed_ssa only when something changed.
1852 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1853 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1854 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1855 Test for perfect_nest_p here. Fix formating.
1856 (replace_uses_equiv_to_x_with_y): Fix formating.
1857 (stmt_uses_op): Removed.
1858 (can_convert_to_perfect_nest): Removed loopivs parameter.
1859 Complete the test by checking the scalar dependences.
1860 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1861 Fix formating.
1863 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1865 PR bootstrap/22541
1866 From Dan Kegel <dank@kegel.com>:
1867 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1869 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1871 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1872 if the element type is variably modified without recursing.
1874 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1876 PR middle-end/27332
1877 * tree-loop-linear.c (try_interchange_loops): Test for
1878 no data dependences.
1880 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1882 PR tree-optimization/27548
1883 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1884 range of ssa names that appear on abnormal edges.
1885 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1886 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1888 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1890 PR middle-end/27620
1891 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1893 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1895 PR middle-end/27415
1896 * tree.h (OMP_PARALLEL_COMBINED): Define.
1897 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1898 (new_omp_context): Add is_combined_parallel argument.
1899 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1900 new_omp_context caller.
1901 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1902 Adjust gimplify_scan_omp_clauses callers.
1903 (omp_is_private): Issue errors if iteration variable is firstprivate
1904 or reduction in the current context.
1905 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1906 on combined parallel workshare constructs.
1908 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1910 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1911 (gcc-options.o): New rule.
1913 * optc-gen.awk: Protect variables for gcc-options.o with
1914 #ifdef GCC_DRIVER/#endif.
1916 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1918 Fix PR tree-optimization/27373
1919 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1920 (forward_propagate_addr_expr): Update call.
1922 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1924 * doc/options.texi: Move the Negative option.
1926 2006-05-16 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/22303
1929 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1930 from STRING_CSTs.
1931 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1932 ccp_fold did not simplify the statement.
1934 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1936 PR driver/26885
1937 * Makefile.in (GCC_OBJS): New.
1938 (OBJS-common): Add opts-common.o.
1939 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1940 (cpp$(exeext)): Likewise.
1941 (gcc.o): Also depend on opts.h.
1942 (opts-common.o): New.
1944 * common.opt (gcoff): Add Negative(gdwarf-2).
1945 (gdwarf-2): Add Negative(gstabs).
1946 (gstabs): Add Negative(gstabs+).
1947 (gstabs+): Add Negative(gvms).
1948 (gvms): Add Negative(gxcoff).
1949 (gxcoff): Add Negative(gxcoff+).
1950 (gxcoff+): Add Negative(gcoff).
1951 * config/i386/i386.opt (m32): Add Negative(m64).
1952 (m64): Add Negative(m32).
1954 * doc/options.texi: Document the Negative option.
1956 * gcc.c: Include "opts.h".
1957 (main): Call prune_options after expandargv.
1959 * optc-gen.awk: Generate common declarations for all flag
1960 variables in options.c. Output the neg_index field.
1962 * opts.c (find_opt): Moved to ...
1963 * opts-common.c: Here. New file.
1965 * opts.h (cl_option): Add a neg_index field.
1966 (find_opt): New.
1967 (prune_options): Likewise.
1969 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1971 PR middle-end/27573
1972 * omp-low.c (expand_omp_parallel): Don't assert
1973 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1974 instead search for it.
1976 PR c/27499
1977 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1978 is signed.
1980 2006-05-16 Andreas Schwab <schwab@suse.de>
1982 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1983 defmac.
1985 2006-05-15 Roger Sayle <roger@eyesopen.com>
1987 PR target/26600
1988 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1989 integer constants other than zero are only legitimate on TARGET_64BIT.
1990 <CONST_VECTOR> Only zero vectors are legitimate.
1991 (ix86_cannot_force_const_mem): Integral and vector constants can
1992 always be put in the constant pool.
1994 2006-05-16 DJ Delorie <dj@redhat.com>
1996 * crtstuff.c (__dso_handle): Set section from
1997 TARGET_LBIGCC_SDATA_SECTION if defined.
1998 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1999 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2001 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2003 PR target/27599
2004 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2005 host_xmake_file.
2007 2006-05-16 Ben Elliston <bje@au.ibm.com>
2009 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2011 2006-05-15 Per Bothner <per@bothner.com>
2013 * tree.c: (last_annotated_node): Use source_locus typedef.
2014 This permits bootstrapping with --enable-mapped-location.
2016 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2018 PR tree-optimization/26830
2019 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2020 (info_for_ssa_name, current_info_for_ssa_name_age,
2021 blocks_to_update): New variables.
2022 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2023 (clear_ssa_name_info, initialize_flags_in_bb,
2024 mark_block_for_update): New functions.
2025 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2026 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2027 prepare_def_site_for): Use mark_block_for_update.
2028 (mark_def_interesting): Assert that the processed block is marked in
2029 blocks_to_update. Do not take blocks argument.
2030 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2031 argument.
2032 (rewrite_update_init_block, rewrite_update_stmt): Only process
2033 blocks with statements to rewrite.
2034 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2035 (update_ssa): Initialize and free blocks_to_update. Do not
2036 clear flags on statements. Do not use blocks bitmap.
2037 * tree.h (SSA_NAME_AUX): Removed.
2038 (struct tree_ssa_name): Removed aux field.
2039 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2041 2006-05-15 Richard Guenther <rguenther@suse.de>
2043 PR tree-optimization/27603
2044 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2045 Do computations in original type.
2047 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2049 * see.c: Code style changes such as redundant paranthesis,
2050 redundant intialization of local variables etc.
2051 (see_main): Declared now as static.
2052 * doc/invoke.texi: Update that -fsee is not enabled by
2053 default at -O3.
2055 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2057 * omp-low.c (check_omp_nesting_restrictions): New function.
2058 (scan_omp_1): Call it.
2060 PR middle-end/27416
2061 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2062 construct, return *VAR.
2064 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2066 PR rtl-optimization/27406
2067 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2068 edges.
2070 2006-05-14 Roger Sayle <roger@eyesopen.com>
2072 PR rtl-optimization/27538
2073 * combine.c (expand_compound_operation): Call gen_lowpart
2074 before calling simplify_shift_const.
2076 2006-05-14 Roger Sayle <roger@eyesopen.com>
2078 PR rtl-optimization/22563
2079 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2080 a fixed width bitfield, always force the intermediates into psuedos.
2082 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2084 PR 27501
2085 * mkconfig.sh: Use operator = instead of == for test.
2087 2006-05-13 Nick Clifton <nickc@redhat.com>
2089 * dwarf2out.c (dbx_reg_number): Check return value from
2090 LEAF_REG_REMAP and only use it if it is valid.
2091 (multiple_reg_loc_descriptor): Likewise.
2093 2006-05-13 Richard Guenther <rguenther@suse.de>
2095 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2096 host_xmake_file.
2098 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2100 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2101 information attached to non-INSNs such as NOTEs.
2102 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2104 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2106 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2107 On contraint.
2108 * config/s390/s390.md: Adjust comment describing On constraint.
2110 2006-05-11 Jan Hubicka <jh@suse.cz>
2112 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2113 to be output at -O0.
2115 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2117 PR middle-end/27384
2118 * fold-const.c (size_binop): Move sanity check for arguments to
2119 the beginning of the function.
2121 PR middle-end/27488
2122 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2123 expression.
2125 2006-05-11 Richard Guenther <rguenther@suse.de>
2127 PR middle-end/27529
2128 * fold-const.c (fold_unary): Handle intermediate conversion
2129 to a pointer type like intermediate conversion to an integer
2130 type in folding of (T1)(T2)var to var.
2131 Match the code to the comment in the final conversion for
2132 (T1)(T2)var to (T1)var regarding to type precision. Rather
2133 than disallow T1 being of pointer type, assert that both T1
2134 and var are of pointer type or not. Make sure not to fall
2135 over the frontends lazyness wrt array to pointer decay though.
2137 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2139 * arm.c (arm_struct_value_rtx): Delete.
2140 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2141 (arm_init_cumulative_args): Always initialize nregs to zero.
2143 2006-05-10 Richard Guenther <rguenther@suse.de>
2145 PR tree-optimization/27532
2146 * tree-object-size.c (plus_expr_object_size): Fix typo.
2148 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2150 PR target/24949
2151 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2152 ashrdi_const, ashrdi3): Use a scratch register.
2154 2006-05-10 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/27302
2157 * fold-const.c (operand_equal_p): For two comparisons,
2158 try comparison of one comparison code swapped if that yields
2159 the same code.
2161 2006-05-10 Ben Elliston <bje@au.ibm.com>
2163 * tree-pretty-print.c (pretty_print_string): No need to handle
2164 '\0' as a special character.
2166 * tree.h: Include "hashtab.h".
2167 (iterative_hash_expr): Use hashval_t in its prototype.
2168 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2170 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2172 PR bootstrap/26872
2173 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2174 (hppa*64*-*-hpux11*): Ditto.
2175 (hppa[12]*-*-hpux11*): Ditto.
2177 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2179 PR target/26545
2180 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2182 2006-05-09 Michael Matz <matz@suse.de>
2184 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2185 host_extra_gcc_objs and host_xmake_file.
2186 (<*-*-linux*>): Don't overwrite host_xmake_file.
2187 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2188 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2189 (host_detect_local_cpu): Declare.
2190 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2191 * config/i386/i386.c (override_options): Handle -mtune=native
2192 as -mtune=generic.
2193 * config/i386/x-i386: New file.
2194 * config/i386/driver-i386.c: New file.
2195 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2196 cpu-type "native".
2198 2006-05-09 Dirk Mueller <dmueller@suse.de>
2199 Richard Guenther <rguenther@suse.de>
2201 PR middle-end/27498
2202 * fold-const.c (fold_read_from_constant_string): Relax check
2203 for matching types to matching modes.
2205 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2207 PR rtl-optimization/27335
2208 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2209 loops.
2211 2006-05-08 Chao-ying Fu <fu@mips.com>
2212 Richard Sandiford <richard@codesourcery.com>
2214 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2215 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2216 * config/mips/mips.md (UNSPEC_SCC): New constant.
2217 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2218 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2219 (mips_emit_compare): Use it.
2220 (mips_expand_vcondv2sf): New function.
2222 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2224 Fix PR tree-optimization/27093
2225 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2226 renaming when they become not-used_alone.
2228 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2230 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2231 relocation and relocation stubs.
2233 2006-05-08 Eric Christopher <echristo@apple.com>
2235 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2236 section for ppc.
2238 2006-05-08 Jan Hubicka <jh@suse.cz>
2240 PR middle-end/24561
2241 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2242 unused static functions are needed.
2244 2006-05-08 Roger Sayle <roger@eyesopen.com>
2246 PR target/27158
2247 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2248 of a reg_equiv_constant if the result is a legitimate constant.
2250 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2252 PR target/27277
2253 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2254 standard 80387 constants, raise the cost to prevent
2255 compress_float_constant() to generate load from memory.
2257 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2259 * config/arm/constraints.md (c): Fix a typo.
2261 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2262 typos.
2264 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2266 PR target/24879
2267 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2268 inline function.
2269 (_mm_mwait): Likewise.
2271 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2272 "mwait".
2273 (sse3_monitor): Make it 32bit only.
2274 (sse3_monitor64): New. 64bit monitor.
2276 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2278 PR target/27421
2279 * config/i386/i386.c (classify_argument): Skip fields with invalid
2280 types.
2282 2006-05-07 Richard Guenther <rguenther@suse.de>
2284 PR tree-optimization/27409
2285 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2286 Do not try to find zero-sized subvars.
2288 2006-05-07 Richard Guenther <rguenther@suse.de>
2290 PR tree-optimization/27136
2291 * tree-ssa-loop-niter.c (get_val_for): Correct function
2292 comment, assert requirements.
2293 (loop_niter_by_eval): Stop processing if the iterated
2294 value did not simplify.
2296 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2298 * opts.c (flag_see): remove its setting at -O3.
2300 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2302 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2303 * arm/constraints.md: New file.
2304 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2305 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2306 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2307 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2308 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2309 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2310 * arm.md: Include constraints.md.
2311 (thumb_movsi_insn): Use satisfies_constraint_J.
2312 (movhi, movqi): Use satisfies_constraint_I.
2314 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2316 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2317 for atmeg a645 device.
2319 2006-05-06 Richard Guenther <rguenther@suse.de>
2321 PR tree-optimization/27151
2322 * tree-vect-transform.c (vectorizable_condition): Punt on
2323 values that have a different type than the condition.
2325 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2327 PR/21391
2328 * c-parser.c (c_parser_cast_expression): Only insert casts into
2329 hash table if pointer.
2330 * function.c (used_types_insert_helper): Rename from
2331 used_types_insert.
2332 (used_types_insert): Call used_types_insert_helper.
2333 * function.h (used_types_insert): Accept only one argument.
2335 2006-05-05 David Edelsohn <edesohn@gnu.org>
2337 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2338 scratch with output modifier.
2340 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2342 PR target/26481
2343 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2344 with output modifier.
2346 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2348 PR target/26765
2349 * config/mips/mips.c (mips_symbolic_address_p): Return true
2350 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2351 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2353 2006-05-04 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/14287
2356 PR tree-optimization/14844
2357 PR tree-optimization/19792
2358 PR tree-optimization/21608
2359 PR tree-optimization/27090
2360 * tree-ssa-pre.c (try_combine_conversion): New function.
2361 (compute_avail): After constructing the value-handle
2362 expression, use try_combine_conversion to combine NOP_EXPRs
2363 with previous value-handle expressions and use the result if it
2364 is available.
2366 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2368 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2370 2006-05-04 Jan Hubicka <jh@suse.cz>
2372 PR middle-end/25962
2373 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2375 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2377 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2378 that this only matches CONST_INTs. All users changed to VOIDmode
2379 operands.
2381 * config/bfin/bfin.c: Include "optabs.h".
2382 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2383 to do more work.
2384 (enum bfin_builtins): Add a number of fractional and vector builtins.
2385 (bfin_init_builtins): Likewise.
2386 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2387 (safe_vector_operand, bfin_expand_binop_builtin,
2388 bfin_expand_unop_builtin): New functions.
2389 (bfin_expand_builtin): Handle the new builtins.
2390 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2391 __ADSPBLACKFIN__.
2393 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2395 * see.c: New file.
2396 * Makefile.in (OBJS-common): Add see.o.
2397 (see.o): Add dependencies.
2398 * common.opt (fsee): New flag for the see optimization was added.
2399 * opts.c (flag_see): Initialized.
2400 * passes.c (init_optimization_passes, pass_see): New pass.
2401 * rtl.h (see_main): Declaration as extern.
2402 * timevar.def (TV_SEE): New.
2403 * tree-pass.h (pass_see): Declaration as extern.
2404 * invoke.texi (-fsee): Document.
2405 * recog.c (validate_simplify_insn): New function.
2406 * recog.h (validate_simplify_insn): Declaration as extern.
2407 * df-problems.c (df_chain_dump): Check for NULL.
2409 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2410 Daniel Berlin <dberlin@dberlin.org>
2412 * cfgrtl.c (insert_insn_bb_end_new): New function.
2413 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2415 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2417 * df.h (struct web_entry): Moved from web.c.
2418 (union_defs): Declaration as extern.
2419 (unionfind_root): Likewise.
2420 (unionfind_union): Likewise.
2421 * web.c (struct web_entry): Moved to df.h.
2422 (unionfind_root): Remove static declaration.
2423 (unionfind_union): Likewise.
2424 (union_defs): Likewise and generalize to use callback function.
2425 (web_main): Update arguments for union_defs function call.
2427 2006-05-04 Richard Guenther <rguenther@suse.de>
2429 PR tree-optimization/26447
2430 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2431 produce SSA_NAME copies before the store stmt to avoid
2432 breaking exception handling.
2434 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2436 PR middle-end/27388
2437 * gimplify.c (omp_is_private): If var is shared in some outer context,
2438 return false instead of true. Stop searching on parallel context
2439 boundary.
2441 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2443 PR java/8260
2444 * coverage.c: Use get_gcov_unsigned_t() instead of
2445 unsigned_type_node all over.
2447 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2449 PR tree-optimization/27381
2450 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2451 maintain the same immediate_use links.
2452 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2453 node rather than segfaulting.
2455 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2457 PR fortran/27395
2458 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2459 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2460 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2462 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2464 Fix PR tree-optimization/26626
2465 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2466 always.
2467 * tree-ssa-operands.c (access_can_touch_variable): Allow
2468 typecasting through union pointers.
2470 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2472 PR c++/26943
2473 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2474 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2475 to find if var will be a global variable even in the nested context.
2476 (omp_copy_decl): Only check for global variable at the end, it might
2477 be overridden in outer contexts.
2478 (scan_sharing_clauses): For global variables don't create a field.
2479 (lower_rec_input_clauses): Do nothing for global shared variables.
2480 Emit a barrier at the end of ILIST if there were any decls in both
2481 firstprivate and lastprivate clauses.
2482 (lower_send_clauses): Do nothing for global variables except for
2483 COPYIN.
2485 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2487 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2488 of the correct signedness is returned.
2490 2006-05-02 Jeff Law <law@redhat.com>
2492 PR tree-optimization/27364
2493 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2494 multiply expressions.
2496 2006-05-02 Tom Tromey <tromey@redhat.com>
2498 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2500 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2502 PR target/27387
2503 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2504 -mthumb -fPIC are used.
2506 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2507 Joshua Kinard <kumba@gentoo.org>
2509 PR target/25871
2510 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2511 with 64-bit pointers.
2513 2006-05-02 Paul Brook <paul@codesourcery.com>
2515 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2516 and pool overlap.
2517 (create_fix_barrier): Check that a suitable barrier location is
2518 found.
2519 (arm_reorg): Include ftmp->address in allowable range of addresses.
2521 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2523 PR ada/27366
2524 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2525 on Cygwin.
2527 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2529 PR middle-end/27337
2530 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2531 around RESULT_DECL for result passed by reference.
2532 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2533 * omp-low.c (use_pointer_for_field): Don't look at
2534 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2535 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2536 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2537 time or var for passing by reference for
2538 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2539 TREE_ADDRESSABLE variables when passing by reference.
2541 * omp-low.c (dump_omp_region): Fix output formatting.
2543 PR middle-end/27328
2544 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2545 (expand_omp_parallel): Likewise.
2546 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2548 PR middle-end/27325
2549 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2550 on statement list containing also constructors and destructors.
2551 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2553 PR middle-end/27310
2554 * except.c (duplicate_eh_regions): Fix clearing of
2555 cfun->eh->region_array entries.
2557 2006-05-01 DJ Delorie <dj@redhat.com>
2559 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2560 build!=host.
2561 (gcc_cv_objdump): Likewise.
2562 * configure: Regenerated.
2564 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2566 PR target/27374
2567 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2568 templates for case 3 and 4.
2570 2006-05-01 DJ Delorie <dj@redhat.com>
2572 * vec.c: Include bconfig.h when appropriate.
2573 * Makefile.in (build/vec.o): Adjust dependencies.
2574 * mkconfig.sh: Make sure config.h isn't used for build machine
2575 compiles.
2577 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2579 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2580 variables.
2581 (mark_phi_for_rewrite): New function.
2582 (insert_phi_nodes_for, mark_use_interesting): Call
2583 mark_phi_for_rewrite.
2584 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2585 (update_ssa): Initialize and free phis_to_rewrite.
2587 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2589 PR rtl-optimization/27291
2590 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2591 folded to a constant.
2593 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2595 PR tree-optimization/27283
2596 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2597 not whole # of iteration descriptions.
2598 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2599 uses abnormal ssa name.
2600 (niter_for_single_dom_exit): Ditto.
2601 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2602 return just the number of iterations.
2604 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2606 PR tree-optimization/27144
2607 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2608 (record_estimate): Only record constant upper bound.
2609 (infer_loop_bounds_from_undefined): Call
2610 compute_estimated_nb_iterations just once.
2611 (proved_non_wrapping_p): Renamed to ...
2612 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2613 (convert_step_widening, scev_probably_wraps_p): Call
2614 n_of_executions_at_most instead of proved_non_wrapping_p.
2615 (substitute_in_loop_info): Do not replace values in bounds.
2616 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2617 comments.
2619 2006-05-01 Richard Henderson <rth@redhat.com>
2621 PR c/27358
2622 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2623 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2624 CPP_PRAGMA.
2626 2006-05-01 Roger Sayle <roger@eyesopen.com>
2628 * c-typeck.c (parser_build_binary_op): Don't call the function
2629 unsigned_conversion_warning to spot operand/result type overflow.
2630 (build_binary_op): Instead, call convert_and_check instead of
2631 convert to report the problem when the operands are promoted.
2632 * c-common.c (unsigned_conversion_warning): Make static.
2633 * c-common.h (unsigned_conversion_warning): Delete prototype.
2635 2006-05-01 Richard Guenther <rguenther@suse.de>
2637 PR tree-optimization/26726
2638 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2639 problem ...
2640 (find_interesting_uses_address): ... we work around here
2641 by folding INDIRECT_REFs in the substituted base.
2643 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2645 * omp-low.c (dump_omp_region): Add newlines.
2647 2006-04-30 Roger Sayle <roger@eyesopen.com>
2649 * common.opt (Woverflow): New command line option.
2650 * c-common.c (constant_expression_warning): Check warn_overflow.
2651 (overflow_waring): Pass OPT_Woverflow to warning.
2652 (unsigned_conversion_warning): Likewise.
2653 (convert_and_check): Likewise.
2654 * doc/invoke.texi: Document new command line option.
2656 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2658 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2659 TARGET_NO_FP_IN_TOC for section anchors.
2660 (optimization_options): Enable section anchors for all
2661 non-"Objective" languages.
2663 2006-04-28 Eric Christopher <echristo@apple.com>
2665 * config/darwin-c.c (darwin_ms_struct): Move this
2666 (darwin_set_default_type_attributes): and this...
2667 * config/darwin.c: ... here.
2668 * config/darwin.h (darwin_ms_struct): Declare.
2670 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2674 2006-04-28 Roger Sayle <roger@eyesopen.com>
2676 PR c/25309
2677 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2678 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2679 an unsigned HOST_WIDE_INT.
2680 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2681 array index.
2682 (really_start_incremental_init): No need to call convert because
2683 bitsize_zero_node is already of type bitsizetype.
2684 (push_init_level): Extract the value of constructor_index as an
2685 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2686 (process_init_element): Likewise.
2688 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2690 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2691 value before passing to make_relative_prefix.
2693 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2695 PR middle-end/27260
2696 * builtins.c (expand_builtin_memset): Expand val in original mode.
2698 2006-04-27 Eric Christopher <echristo@apple.com>
2700 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2701 with #ifndef/#endif.
2702 * config/darwin-c.c (darwin_ms_struct): New.
2703 (darwin_pragma_ms_struct): Ditto.
2704 (darwin_set_default_type_attributes): Ditto.
2705 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2706 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2707 Register ms_struct pragma.
2708 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2709 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2710 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2711 darwin_set_default_type_attributes if TARGET_MACHO.
2713 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2715 PR tree-optimization/26854
2716 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2717 * doc/tree-ssa.texi: Update immuse iterator documentation.
2718 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2719 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2720 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2721 first_safe_imm_use, next_safe_imm_use): Remove.
2722 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2723 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2724 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2725 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2726 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2727 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2728 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2729 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2730 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2731 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2732 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2733 (perfect_nestify): Use new iterator.
2734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2735 iterator.
2736 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2737 (next_imm_name): New field in struct immediate_use_iterator_d.
2738 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2739 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2740 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2741 * tree-cfg.c (replace_uses_by): Use new iterator.
2742 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2743 * tree-ssa-operands.c (correct_use_link): Remove.
2744 (finalize_ssa_use_ops): No longer call correct_use_link.
2746 2006-04-27 Stuart Hastings <stuart@apple.com>
2748 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2749 * config/t-darwin (crt3.o): Use it.
2750 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2751 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2752 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2753 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2754 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2755 support.
2757 2006-04-27 Roger Sayle <roger@eyesopen.com>
2759 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2760 size, force the intermediate into a new pseudo rather instead of
2761 performing both a bitwise AND and a bitwise IOR in memory.
2763 2006-04-27 Richard Guenther <rguenther@suse.de>
2765 PR rtl-optimization/26685
2766 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2767 this one "max-flow-memory-locations".
2769 2006-04-27 Richard Guenther <rguenther@suse.de>
2771 PR tree-optimization/25148
2772 * tree-vrp.c (compare_values): Remove code dealing with
2773 comparisons against type min/max value. Honour overflow
2774 and negative constants in code dealing with comparisons
2775 of plus and minus expressions.
2776 (value_inside_range): Use fold_binary with LE_EXPR and
2777 GE_EXPR rather than compare_values.
2779 2006-04-27 Dirk Mueller <dmueller@suse.de>
2781 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2782 prototype for SSE.
2784 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2786 * basic-block.h (safe_insert_insn_on_edge): Removed.
2787 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2789 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2790 Paolo Bonzini <bonzini@gnu.org>
2792 PR middle-end/27282
2793 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2794 (simplify_and_const_int): Same.
2796 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2798 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2800 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2802 PR c/26171
2803 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2804 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2805 cgraph_global_info_ready.
2807 PR middle-end/26913
2808 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2810 PR c/25996
2811 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2812 either decl or init is error_mark_node.
2814 PR middle-end/25989
2815 * tree-flow.h (struct omp_region): Add sched_kind.
2816 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2817 instead of extracting omp for data.
2818 (expand_omp_for): Save extracted sched_kind.
2820 2006-04-25 Roger Sayle <roger@eyesopen.com>
2822 * expmed.c (store_bit_field): Also check whether the bitsize is
2823 valid for the machine's "insv" instruction before moving the
2824 target into a pseudo for use with the insv.
2825 * config/i386/predicates.md (const8_operand): New predicate.
2826 * config/i386/i386.md (extv, extzv, insv): Use the new
2827 const8_operand predicate where appropriate.
2829 2006-04-25 DJ Delorie <dj@redhat.com>
2831 * doc/install.texi (Specific): Clarify that this is not a list of
2832 supported hosts or targets.
2834 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2836 PR rtl-optimization/26725
2837 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2838 block's BB_DIRTY flag.
2840 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2842 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2843 are no branches.
2845 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2846 to print an integer.
2848 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2850 * varasm.c (align_variable): New function.
2851 (get_block_for_decl): Apply align_variable to DECL before
2852 calculating section information.
2853 (assemble_variable): Split out alignment computation.
2855 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2857 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2858 machines.
2860 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2862 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2863 MODE_PARTIAL_INT mode.
2864 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2865 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2866 for CONST_INTs.
2867 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2868 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2869 V2PDImode.
2870 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2871 New predicates.
2872 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2873 New constants.
2874 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2875 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2876 MACFLAG_IH): Likewise.
2877 (movstricthi_1): Renamed from "*movstricthi".
2878 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2879 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2880 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2881 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2882 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2883 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2884 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2885 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2886 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2887 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2888 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2889 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2890 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2891 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2892 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2894 * doc/rtl.texi (ss_ashift): Improve wording.
2896 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2898 * dwarf2out.c (verify_marks_clear): New.
2899 (prune_unused_types): Call verify_marks_clear initially, not
2900 prune_unmark_dies.
2902 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2904 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2905 * doc/rtl.texi: Document them.
2906 * simplify-rtx.c (simplify_unary_operation,
2907 simplify_binary_operation_1): Don't abort when we see them.
2909 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2911 Revert:
2912 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2913 * configure.ac: Completely disregard languages that are not
2914 enabled.
2915 * configure: Regenerated.
2917 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2918 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/27236
2921 * tree-inline.c (copy_body_r): Make sure to copy
2922 TREE_THIS_VOLATILE flag.
2924 2006-04-24 Richard Guenther <rguenther@suse.de>
2926 PR middle-end/26869
2927 * tree-complex.c (update_parameter_components): Don't handle
2928 unused parameters which have no default def.
2930 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2931 Richard Guenther <rguenther@suse.de>
2933 PR tree-optimization/27218
2934 * tree-inline.c (expand_call_inline): Strip useless type
2935 conversions for the return slot address.
2937 2006-04-24 Richard Guenther <rguenther@suse.de>
2939 * cfgloop.h (struct loops): Remove unused field array. Reorder
2940 state after num.
2941 (LOOP_PREFETCH): Remove.
2943 2006-04-24 Richard Guenther <rguenther@suse.de>
2945 PR tree-optimization/22525
2946 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2947 variable, adjust types of generated expressions.
2949 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2951 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2952 (tree-vect-patterns.o): Likewise.
2953 (jump.o): Likewise.
2954 (cselib.o): Likewise.
2955 (loop-doloop.o): Likewise.
2956 (regclass.o): Likewise.
2957 (reload1.o): Likewise.
2958 (explow.o): Replace target.h with $(TARGET_H).
2959 (ipa-prop.o): Likewise.
2960 (ipa-cp.o): Likewise.
2961 (ipa-inline.o): Likewise.
2962 (reorg.o): Likewise.
2963 (reg-stack.o): Likewise.
2965 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2967 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2969 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2971 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2973 * configure.ac: Completely disregard languages that are not
2974 enabled.
2975 * configure: Regenerated.
2977 PR c++/26534
2978 * c-common.h (c_build_bitfield_integer_type): Declare.
2979 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2980 * c-common.c (c_build_bitfield_integer_type): ... here.
2982 2006-04-23 Roger Sayle <roger@eyesopen.com>
2984 PR target/21283
2985 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2986 a SImode SUBREG of a floating point register after no_new_pseudos.
2988 2006-04-23 Roger Sayle <roger@eyesopen.com>
2990 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2991 identify potentially eliminable registers to additionally catch
2992 VIRTUAL_INCOMING_ARGS_REGNUM.
2993 (addsi3): Update the conditions on when to use addsi_small_int.
2995 2006-04-23 Roger Sayle <roger@eyesopen.com>
2997 PR target/16641
2998 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2999 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3000 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3002 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3004 * fold-const.c (range_predecessor): Use operand_equal_p
3005 as the predicate for equality.
3006 (range_successor): Likewise.
3008 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3010 Revert:
3011 * config/soft-fp/op-common.h: Fix a typo.
3013 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3015 PR libmudflap/26864
3016 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3017 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3019 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3021 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3022 Fix comment typos.
3023 * doc/tm.texi: Fix a typo.
3025 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3027 * dwarf2out.c (struct die_struct): Document that die_sib makes
3028 a circular linked list.
3029 (FOR_EACH_CHILD): New.
3030 (reverse_die_lists): Delete.
3031 (reverse_all_dies): Delete.
3032 (add_dwarf_attr): Correct documentation.
3033 (remove_child_with_prev): New.
3034 (remove_child_TAG): Update for change to die_struct, use
3035 remove_child_with_prev.
3036 (add_child_die): Update for change to die_struct.
3037 (splice_child_die): Use remove_child_with_prev and add_child_die.
3038 (print_die): Use FOR_EACH_CHILD.
3039 (die_checksum): Likewise.
3040 (assign_symbol_names): Likewise.
3041 (output_location_lists): Likewise.
3042 (build_abbrev_table): Likewise.
3043 (calc_die_sizes): Likewise.
3044 (mark_dies): Likewise.
3045 (unmark_dies): Likewise.
3046 (unmark_all_dies): Likewise.
3047 (output_die): Likewise.
3048 (prune_unused_types_mark): Likewise.
3049 (prune_unused_types_walk): Likewise.
3050 (same_die_p): Update for change to die_struct.
3051 (break_out_includes): Likewise.
3052 (prune_unused_types_prune): Likewise.
3053 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3054 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3055 it's already clear.
3056 (dwarf2out_finish): Don't call reverse_all_dies.
3058 2006-04-21 Eric Christopher <echristo@apple.com>
3060 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3061 in comments and function names.
3063 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3065 PR c/25875
3066 * c-typeck.c (digest_init): Robustify.
3068 * c-typeck.c (pop_init_level): Simplify.
3070 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3072 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3074 2006-04-21 Paul Brook <paul@codesourcery.com>
3076 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3077 hardware floating point.
3079 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3081 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3082 NON_FLOAT_REGS.
3084 2006-04-21 Nick Clifton <nickc@redhat.com>
3086 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3087 OPT_EXTRA_PARTS.
3089 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3091 PR target/27230
3092 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3093 C++ lang type in traceback table for Objective-C++.
3095 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3097 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3099 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3101 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3103 PR mudflap/26789
3104 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3105 were errors. Remove check for erroneous objects.
3107 2006-04-20 Jeff Law <law@redhat.com>
3109 PR tree-optimization/26854
3110 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3111 checking for zero or one use.
3112 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3113 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3114 * tree-ssa-reassoc.c (negate_value): Similarly.
3115 (reassociate_bb): Similarly.
3117 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3119 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3120 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3121 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3123 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3125 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3126 fp regs if the last fp arg doesn't fit in regs.
3128 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3130 PR target/27182
3131 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3132 that the last insn has the REG_INC note.
3134 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3135 Nathan Sidwell <nathan@codesourcery.com>
3137 PR c/26774
3138 * stor-layout.c (update_alignment_for_field): Do not align
3139 ERROR_MARK nodes.
3140 (place_union_field): Place union field at the start of the union.
3141 (place_field): Move ERROR_MARK check later, and use the current
3142 allocation position to maintain monotonicity.
3144 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3146 * dominance.c: Include timevar.h.
3147 (calculate_dominance_info): Use TV_DOMINANCE.
3148 * timevar.def (TV_DOMINANCE): New timevar.
3149 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3151 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3153 PR rtl-optimization/14261
3154 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3155 move would be an INSV insn.
3156 (noce_process_if_block): Don't optimize if the destination is a
3157 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3159 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3161 * config/s390/s390.md: Add comments with the instructions emitted
3162 by an insn pattern if macros are used.
3164 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3166 PR rtl-optimization/26026
3167 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3168 is a known power of two shifted left a variable amount.
3170 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3172 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3173 to hash table twice when the debug_str section has SECTION_MERGE.
3175 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3177 * config/soft-fp: New directory. From glibc.
3178 * config/soft-fp/t-softfp: New.
3179 * config/soft-fp/README: New.
3180 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3181 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3182 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3183 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3184 * config.gcc: Use rs6000/t-fprules-fpbit or
3185 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3186 rs6000/t-fprules.
3187 * config/rs6000/sfp-machine.h: New. Based on glibc.
3188 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3189 New.
3190 * config/rs6000/t-fprules: Remove fp-bit rules.
3191 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3192 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3193 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3194 (softfp_wrap_start, softfp_wrap_end): New.
3196 2006-04-18 DJ Delorie <dj@redhat.com>
3198 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3200 2006-04-18 Devang Patel <dpatel@apple.com>
3202 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3204 2006-04-18 Nick Clifton <nickc@redhat.com>
3206 * config/sh/t-symbian: Add rule to build sh-c.o
3207 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3208 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3209 (sh_symbian_encode_section_info): Likewise.
3211 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3213 * builtins.c (expand_builtin_strcmp): Cover label definition of
3214 do_libcall with HAVE_cmpstrnsi.
3216 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3218 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3219 instead of VARRAY.
3220 * function.h (temp_slot_p): New.
3221 (function): Change the type of x_used_temp_slots to
3222 VEC(temp_slot_p,gc) *.
3224 2006-04-18 Nick Clifton <nickc@redhat.com>
3226 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3227 flag_strength_reduce.
3229 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3231 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3233 PR target/27117
3235 Partial revert of revision 112637
3236 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3237 Dale Johannesen <dalej@apple.com>
3239 PR target/19653
3240 * regclass.c (struct reg_pref): Update documentation.
3241 (regclass): Set prefclass to NO_REGS if memory is the best option.
3242 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3246 PR tree-optimization/26821
3247 * tree-ssa-math-opts.c (get_constant_one): New.
3248 (insert_reciprocals): Use it.
3250 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3252 * dwarf2out.c (free_AT): Delete.
3253 (remove_AT): Update string ref counts.
3254 (remove_child_TAG): Don't call free_die.
3255 (free_die): Delete.
3256 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3257 or DW_TAG_GNU_EINCL.
3258 (prune_unused_types_walk_attribs): Reset string refcounts.
3259 (prune_unused_types_update_strings): New.
3260 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3261 call free_die. Do call prune_unused_types_update_strings.
3262 (prune_unused_types): Empty debug_str_hash.
3264 2006-04-17 Roger Sayle <roger@eyesopen.com>
3266 * expr.c (expand_assignment): Optimize away no-op moves where the
3267 source and destination are equal and have no side-effects.
3269 2006-04-17 Richard Guenther <rguenther@suse.de>
3271 PR target/26826
3272 * reload.c (push_reload): Guard calls to get_secondary_mem
3273 for memory subregs.
3275 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3277 * alias.c (reg_base_value, old_reg_base_value): Change the
3278 type to VEC(rtx,gc) *.
3279 (REG_BASE_VALUE, find_base_value, record_set,
3280 init_alias_analysis): Use VEC instead of VARRAY.
3282 * alias.c (alias_sets): Change the type to
3283 VEC(alias_set_entry,gc) *.
3284 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3285 VEC instead of VARRAY.
3286 (last_alias_set): Remove.
3288 * cgraph.h (cgraph_edge_p): New.
3289 Update the prototype of cgraph_function_versioning.
3290 * cgraphunit.c (cgraph_copy_node_for_versioning,
3291 cgraph_function_versioning): Use VEC instead of VARRAY.
3292 * ipa-cp.c (ipcp_insert_stage): Likewise.
3294 2006-04-16 Roger Sayle <roger@eyesopen.com>
3296 PR target/26961
3297 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3298 "A op B" or "A op C", we may need to convert A to the type of B and C.
3300 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3302 * target.h (struct gcc_target): Add mode_rep_extended.
3303 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3304 (init_num_sign_bit_copies_in_rep): Initialize it using
3305 mode_rep_extended.
3306 (truncate_to_mode): Use it.
3307 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3308 * targhooks.h (default_mode_rep_extended): Declare it.
3309 * targhooks.c (default_mode_rep_extended): Define it.
3310 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3311 default_mode_rep_extended.
3312 (TARGET_INITIALIZER): Include it.
3313 * doc/tm.texi (Misc): Document it.
3314 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3315 (mips_truncated_to_mode): New function.
3317 2006-04-16 Roger Sayle <roger@eyesopen.com>
3319 PR middle-end/25474
3320 * expr.c (compress_float_constant): Copy the narrow constant into
3321 a new pseudo before extending it to its final width.
3323 2006-04-16 Roger Sayle <roger@eyesopen.com>
3324 Andrew Pinski <pinskia@gcc.gnu.org>
3325 Dale Johannesen <dalej@apple.com>
3327 PR target/24076
3328 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3329 special case code to implement V8HImode and V16QImode with SSE2.
3331 2006-04-15 Roger Sayle <roger@eyesopen.com>
3333 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3334 trees are constructed with a suitable tree type.
3336 2006-04-15 Roger Sayle <roger@eyesopen.com>
3338 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3339 (integer_onep): Likewise.
3340 (integer_all_onesp): Likewise.
3341 (integer_pow2p): Likewise.
3342 (integer_nonzerop): Likewise.
3343 (real_zerop): Likewise.
3344 (real_onep): Likewise.
3345 (real_twop): Likewise.
3346 (real_minus_onep): Likewise.
3347 (int_size_in_bytes): Likewise.
3348 (host_integerp): Likewise.
3350 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3352 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3353 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3354 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3356 * tree-ssa-structalias.h (alias_info): Remove num_references.
3358 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3360 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3361 (output_bvb patterns): Likewise.
3362 * pa.c (output_bb): Use 'bb' insn for long branch case.
3363 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3364 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3365 1. Correct length operand for alternatives 1 and 2.
3366 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3367 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3369 2006-04-14 Roger Sayle <roger@eyesopen.com>
3371 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3372 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3373 were accidentally reverted by r112959.
3375 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3377 PR middle-end/26823
3378 * except.h (eh_region_outermost): New prototype.
3379 * except.c (eh_region_outermost): New function.
3380 * tree-cfg.c (find_outermost_region_in_block): Use it.
3382 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3384 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3385 of VARRAY.
3386 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3387 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3388 (init_reload, reload): Use VEC instead of VARRAY.
3389 * reload.h: Update the prototype for
3390 reg_equiv_memory_loc_varray.
3392 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3393 Eric Botcazou <ebotcazou@libertysurf.fr>
3395 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3396 register save area.
3398 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3400 PR middle-end/27134
3401 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3402 to expand fallback builtin function call.
3404 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3406 PR middle-end/27095
3407 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3408 and emit libcall here in case the builtin fails.
3409 (expand_builtin_strcmp): Always emit the libcall here on failure.
3411 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3413 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3414 * flow.c (reg_n_info): Change the type to
3415 VEC(reg_info_p,heap) *.
3416 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3417 instead of VARRAY.
3418 * regs.h (reg_info_p): New.
3419 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3420 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3421 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3422 instead of VARRAY.
3424 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3426 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3427 defaulting to 100.
3428 * params.h (MAX_SCHED_READY_INSNS): New macro.
3429 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3430 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3431 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3432 the ready list for 1 cycle during the first scheduling pass.
3433 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3435 2006-04-13 Richard Henderson <rth@redhat.com>
3437 PR libgomp/26651
3438 * gimple-low.c (lower_omp_directive): Remove dead code.
3439 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3440 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3441 * omp-low.c (struct omp_region): Move to tree-flow.h.
3442 (root_omp_region): Export.
3443 (omp_regions, lookup_omp_region): Remove.
3444 (determine_parallel_type): Update for struct omp_region changes.
3445 (dump_omp_region): Dump regions with block numbers.
3446 (new_omp_region): Take type and block instead of stmt; malloc
3447 instead of ggc.
3448 (free_omp_region_1, free_omp_regions): New.
3449 (expand_parallel_call): Take entry_stmt as argument; update for
3450 changes to omp_region.
3451 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3452 (remove_exit_barriers): New.
3453 (expand_omp_parallel): Update for struct omp_region changes.
3454 (expand_omp_synch): Likewise.
3455 (expand_omp): Likewise.
3456 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3457 (expand_omp_for_static_chunk): Likewise.
3458 (expand_omp_for): Likewise.
3459 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3460 (expand_omp_sections): Similarly, with GOMP_sections_end.
3461 (expand_omp_single): New.
3462 (build_omp_regions_1): Update for OMP_CONTINUE.
3463 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3464 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3465 OMP_SECTIONS_SECTIONS.
3466 (lower_omp_single_simple): Don't emit barrier here.
3467 (lower_omp_single_copy): Likewise.
3468 (lower_omp_single): Fix bindings, and lower to straightline now.
3469 (lower_omp_master, lower_omp_ordered): Likewise.
3470 (lower_omp_critical): Likewise.
3471 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3472 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3473 omp edges, free it afterward.
3474 (make_omp_sections_edges): Remove.
3475 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3476 (move_stmt_r): Handle OMP_CONTINUE.
3477 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3478 statement pointers to basic blocks. Add type member.
3479 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3480 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3481 * tree-inline.c (estimate_num_insns_1): Likewise.
3482 * tree-pretty-print.c (dump_generic_node): Likewise.
3483 * tree-ssa-operands.c (get_expr_operands): Likewise.
3484 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3485 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3486 (OMP_CONTINUE): New.
3487 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3488 (OMP_SECTIONS_SECTIONS): Remove.
3489 (OMP_SECTION_LAST): New.
3490 (OMP_RETURN_NOWAIT): New.
3492 2006-04-13 Roger Sayle <roger@eyesopen.com>
3494 * fold-const.c (native_encode_vector, native_interpret_real):
3495 Correct obvious mistakes in the previous check-in.
3497 2006-04-13 Roger Sayle <roger@eyesopen.com>
3499 * fold-const.c (native_encode_expr): New function to encode
3500 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3501 or VECTOR_CST into a specified buffer.
3502 (native_encode_int): New function.
3503 (native_encode_real): New function.
3504 (native_encode_complex): New function.
3505 (native_encode_vector): New function.
3506 (native_interpret_expr): Inverse of native_encode_expr to convert
3507 a target representation into an INTEGER_CST, REAL_CST etc...
3508 (native_interpret_int): New function.
3509 (native_interpret_real): New function.
3510 (native_interpret_complex): New function.
3511 (native_interpret_vector): New function.
3512 (fold_view_convert_expr): New function to constant fold/evaluate
3513 a VIEW_CONVERT_EXPR of a suitable constant expression.
3514 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3515 Change call of build1 to fold_build1 when constructing a
3516 VIEW_CONVERT_EXPR.
3518 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3519 Ulrich Weigand <uweigand@de.ibm.com>
3521 PR target/27006
3522 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3523 to be even.
3525 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3527 PR target/26459
3528 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3529 optimize to lo_sum for DFmode if !TARGET_FPRS.
3531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3533 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3534 delete_alias_info, compute_flow_sensitive_aliasing,
3535 group_aliases): Use VEC instead of VARRAY.
3536 * tree-ssa-structalias.c (update_alias_info): Likewise.
3537 * tree-ssa-structalias.h (alias_info): Change the type of
3538 processed_ptrs to VEC(tree,heap) *.
3540 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3542 PR target/27060
3543 * config/sh/lib1funcs.h: New file, broken out of:
3544 * config/sh/lib1funcs.asm.
3545 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3546 New macros.
3547 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3548 * config/sh/lib1funcs-Os-4-200.asm: New file.
3549 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3550 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3551 (EXTRA_MULTILIB_PARTS): Include it.
3552 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3553 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3554 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3555 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3556 TARGET_SH2.
3558 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3560 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3561 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3562 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3563 VARRAY.
3564 * tree-ssa-live.h: Include vecprim.h.
3565 (tree_partition_associator_d): Change the type of
3566 first_partition to VEC(int,heap) *.
3567 (tpa_first_partition): Use VEC instead of VARRAY.
3569 * Makefile.in (GTFILES): Move functions.h after tree.h.
3570 * function.c (reset_block_changes, record_block_change,
3571 check_block_change, free_block_changes): Use VEC instead of
3572 VARRAY.
3573 * function.h (function): Change the type of
3574 ib_boundaries_block to VEC(tree,gc) *.
3575 * tree-inline.c (copy_cfg_body): Initialize
3576 ib_boundaries_block to NULL instead of (varray_type) 0.
3578 2006-04-12 Roger Sayle <roger@eyesopen.com>
3580 * expr.c (emit_group_store): Correct operand order in call to
3581 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3582 a SUBREG_BYTE of zero.
3584 2006-04-12 Richard Guenther <rguenther@suse.de>
3586 * profile.c (compute_branch_probabilities): Remove code
3587 encapsulated in !ir_type (), which are remanents of the
3588 removed RTL profiling code.
3589 * rtl-profile.c: Remove.
3591 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3593 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3594 magic NULL_RTX comment.
3595 (function_arg): Store entire fp arg to mem if any part should go
3596 on stack.
3597 (rs6000_arg_partial_bytes): Adjust for above change.
3599 2006-04-11 Roger Sayle <roger@eyesopen.com>
3601 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3602 if it hasn't been initialized by dwarf2out_init.
3604 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3606 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3607 symbolic constants in branch patterns.
3609 2006-04-11 Roger Sayle <roger@eyesopen.com>
3611 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3613 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3615 PR rtl-optimization/27073
3616 * gcse.c (try_replace_reg): Revert last change. Continue to search
3617 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3618 on the former.
3620 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3622 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3623 aggregate types other than record and union types.
3624 (function_arg): Likewise.
3625 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3626 small arrays.
3627 (function_value): In 64-bit mode, return objects that require it
3628 in FP registers.
3630 2006-04-11 Roger Sayle <roger@eyesopen.com>
3632 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3634 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3636 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3638 2006-04-03 Jeff Law <law@redhat.com>
3640 PR/27087
3641 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3642 alias information too.
3644 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3646 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3648 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3650 PR/21391
3651 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3652 (premark_used_types_helper): New.
3653 (premark_used_types): New.
3654 (gen_subprogram_die): Call premark_used_types.
3655 (prune_unused_types_walk): Do not prune perennial dies.
3656 * function.c (used_types_insert): New.
3657 * function.h (struct function): Add used_types_hash field.
3658 (used_types_insert): Add prototype.
3659 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3660 * c-parser.c (c_parser_cast_expression): Save casted types in used
3661 types hash table.
3663 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3665 PR target/26459
3666 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3667 rs6000_explicit_options.float_gprs.
3669 2006-04-10 Roger Sayle <roger@eyesopen.com>
3671 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3672 from ix86_expand_vector_init_low_nonzero. Take an additional
3673 one_var argument indicating which element is non-zero. Support
3674 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3675 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3676 with one_var instead of ix86_expand_vector_init_low_nonzero.
3678 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3680 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3681 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3682 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3683 build/genextract.o): Depend on vecprim.h.
3684 * cfglayout.c, df-problems.c, function.c, genextract.c,
3685 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3686 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3687 vecprim.h.
3688 * vecprim.h: New.
3690 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3692 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3693 Declare VECs of this type.
3694 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3695 (remove_children): Delete.
3696 (add_dwarf_attr): Use VEC routines.
3697 (add_AT_flag): Update for changes to add_dwarf_attr.
3698 (add_AT_int): Likewise.
3699 (add_AT_unsigned): Likewise.
3700 (add_AT_long_long): Likewise.
3701 (add_AT_vec): Likewise.
3702 (add_AT_string): Likewise.
3703 (add_AT_die_ref): Likewise.
3704 (add_AT_fde_ref): Likewise.
3705 (add_AT_loc): Likewise.
3706 (add_AT_loc_list): Likewise.
3707 (add_AT_addr): Likewise.
3708 (add_AT_lbl_id): Likewise.
3709 (add_AT_lineptr): Likewise.
3710 (add_AT_macptr): Likewise.
3711 (add_AT_offset): Likewise.
3712 (add_AT_range_list): Likewise.
3713 (get_AT): Use VEC_iterate.
3714 (remove_AT): Use VEC_ordered_remove.
3715 (free_die): Fold remove_children into here; have it use VEC_iterate.
3716 (print_die): Use VEC_iterate on attrs.
3717 (reverse_die_lists): Don't reverse attr lists.
3718 (die_checksum): Use VEC_iterate on attrs.
3719 (same_die_p): Likewise.
3720 (output_location_lists): Likewise.
3721 (build_abbrev_table): Likewise.
3722 (size_of_die): Likewise.
3723 (unmark_all_dies): Likewise.
3724 (output_abbrev_section): Likewise.
3725 (output_die): Likewise.
3726 (prune_unused_types_walk_attribs): Likewise.
3728 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3730 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3732 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3734 PR debug/27057
3735 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3737 2006-04-09 Roger Sayle <roger@eyesopen.com>
3739 * expr.c (store_constructor): Don't bother clearing target if
3740 we're about to assign a vector to it using vec_init_optab.
3742 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3744 * tree-ssa-alias.c (lhs_may_store_to): New function.
3745 (recalculate_used_alone): Handle LHS of calls.
3747 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3749 PR target/27034
3750 PR target/26508
3751 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3752 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3753 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3754 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3755 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3756 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3757 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3758 stubs. Add ".align 8" directives before all ".dword" directives.
3759 (GTHREAD_USE_WEAK): Revise comment.
3760 (TARGET_ATTRIBUTE_WEAK): Define.
3761 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3762 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3763 * stublib.c: New file.
3765 PR target/26743
3766 PR target/11254
3767 PR target/10274
3768 * pa.md (cbranch patterns): Revise arguments used in calls to
3769 output_cbranch, output_bb and output_bvd. Add long branch length
3770 attributes.
3771 (fbranch patterns): Handle long branches.
3772 (jump): Revise length check. Revise arguments for output_lbranch call.
3773 Add long branch length attributes.
3774 (decrement_and_branch_until_zero): Add long branch length attributes.
3775 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3776 Likewise. Revise arguments for output_parallel_addb and
3777 output_parallel_movb calls.
3778 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3779 output_parallel_movb and output_parallel_addb): Update prototypes.
3780 * pa.c (output_cbranch): Revise arguments. Correct handling of
3781 nullification in long branches.
3782 (output_lbranch): Add new argument to control extraction of delay
3783 instruction.
3784 (output_bb): Handle long branches.
3785 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3786 output_parallel_addb): Likewise.
3788 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3790 PR rtl-optimization/27073
3791 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3792 not REG_EQUIVs.
3794 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3796 * tree.h (tree_memory_tag): Add old_used_alone.
3797 (SMT_OLD_USED_ALONE): New macro.
3798 * tree-ssa-alias.c (recalculate_used_alone): Stop
3799 marking things for renaming unnecessarily.
3801 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3803 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3804 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3805 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3806 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3807 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3808 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3809 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3810 spelling convensions.
3811 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3812 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3813 typos. Follow spelling conventions.
3815 2006-04-07 DJ Delorie <dj@redhat.com>
3817 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3818 passed on the stack.
3819 (m32c_init_cumulative_args): When a function returns a structure,
3820 always pass the pointer to that return area on the stack.
3821 (m32c_function_arg_advance): Don't increment the parameter number
3822 if we're processing the returned structure pointer.
3823 (pushm_info): Reverse order of registers.
3825 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3827 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3828 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3829 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3830 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3831 build_int_cst_type.
3832 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3833 chrec_fold_multiply): Same.
3834 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3835 force_expr_to_var_cost): Same.
3836 * tree-mudflap.c (mf_xform_derefs_1): Same.
3837 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3839 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3841 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3842 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3843 insn.
3845 2006-04-07 Jan Hubicka <jh@suse.cz>
3847 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3849 2006-04-07 Richard Guenther <rguenther@suse.de>
3851 PR tree-optimization/26135
3852 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3853 loads for store copy-prop.
3854 (copy_prop_visit_stmt): Likewise.
3856 2006-04-05 Robert Millan <robertmh@gnu.org>
3858 * config/i386/linux.h: Add a comment to mark macros that are
3859 being overriden in config/k*bsd-gnu.h.
3860 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3861 DYNAMIC_LINKER.
3862 * config/knetbsd-gnu.h: Ditto.
3864 2006-04-06 Jan Hubicka <jh@suse.cz>
3866 PR profile/20815
3867 PR profile/26399
3868 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3869 after buffer.
3871 2006-04-06 Mike Stump <mrs@apple.com>
3873 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3874 for HAVE_nonlocal_goto to be consistent.
3875 (expand_builtin_nonlocal_goto): Likewise.
3876 (expand_builtin_strcmp): Use #ifdef instead of #if
3877 for HAVE_cmpstrnsi to be consistent.
3879 2006-04-05 DJ Delorie <dj@redhat.com>
3881 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3882 vs m32c.
3884 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3886 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3887 got-relative addressing for anything but SImode.
3889 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3890 even if the calling function doesn't modify them.
3892 2006-04-05 Richard Guenther <rguenther@suse.de>
3894 PR tree-optimization/26919
3895 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3896 to cgraph_estimate_size_after_inlining.
3898 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3900 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3902 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3904 PR tree-optimization/26996
3905 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3906 VECTOR_TYPE variables.
3908 2006-04-05 Richard Guenther <rguenther@suse.de>
3910 PR tree-optimization/26763
3911 * fold-const.c (fold_comparison): Move folding of
3912 PTR + CST CMP PTR + CST ...
3913 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3915 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3917 * doc/install.texi (Prerequisites): Refine some wording on
3918 bootstrapping and ksh.
3919 Move the version numbers of DejaGnu here from the testing section
3920 and fix casing of names.
3921 Fix markup and clarify wording for autogen requirements.
3922 Refer to GCJ instead of just java.
3923 Refer to SVN instead of CVS.
3924 Describe diffutils as useful instead of necessary.
3925 (Downloading the source): Refer to SVN instead of CVS.
3926 Adjust a link to our web site accordingly.
3927 (Configuration): Fix casing of Bison.
3928 (Building): Refer to SVN instead of CVS.
3929 Fix a sentence on the use of Bison and remove duplicate (and
3930 incorrect) version number of Bison requirement.
3931 Remove one redundant list of packages needed for building.
3932 (Specific): Avoid reference to CVS.
3934 2006-04-04 Eric Christopher <echristo@apple.com>
3936 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3937 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3938 (rs6000_handle_struct_attribute): New.
3939 (rs6000_ms_bitfield_layout_p): Ditto.
3941 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3943 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3944 NULL for dso parameter to atexit_common.
3946 2006-04-04 Eric Christopher <echristo@apple.com>
3948 * config/i386/i386.c (machopic_output_stub): Output \t
3949 between instructions and operands.
3951 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3953 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3954 satisfies_constraint_[IL] to explicit tests on value.
3956 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3958 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3959 set_nb_iterations_in_loop): Use build_int_cst instead of
3960 build_int_cst_type.
3961 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3962 build_int_cst instead of convert.
3964 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3966 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3967 new value 2 for incoming.
3968 * function.c (expand_function_start): Call struct_value_rtx
3969 with incoming as 2.
3970 * config/sparc/sparc.md: Comment updated_return.
3971 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3972 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3973 struct return if sparc_std_struct_return and incoming is 2.
3974 (print_operand): Do not adjust return if
3975 sparc_std_struct_return.
3977 2006-04-04 Roger Sayle <roger@eyesopen.com>
3979 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3980 convert in the middle-end.
3981 * expr.c (store_expr, store_constructor, get_inner_reference,
3982 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3983 Likewise.
3984 * tree.c (build_range_type): Likewise.
3986 2006-04-04 Tom Tromey <tromey@redhat.com>
3988 * doc/install.texi (Prerequisites): Mention jar.
3990 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3992 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3993 subsection.
3995 2006-04-04 Matthias Klose <doko@debian.org>
3997 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3998 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3999 strings.
4001 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4003 * doc/extend.texi (Function Attributes): Rewrite visibility
4004 attribute documentation.
4005 * doc/invoke.texi (C++ Dialect Options): Rewrite
4006 -fvisibility-inlines-hidden documentation to describe something
4007 entirely different, although in practise compatible.
4008 (Code Gen Options): Warn about system headers in -fvisibility=
4009 documentation.
4011 * doc/extend.texi (Other Builtins): Document that
4012 __builtin_nan is a compile-time constant only when its argument
4013 is valid.
4015 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4017 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4018 trying to remove TRUNCATE check if all bits outside the new mode
4019 are identical to the sign bit.
4021 2006-04-03 Jeff Law <law@redhat.com>
4023 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4024 and operand scanning in some common cases.
4026 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4027 Dale Johannesen <dalej@apple.com>
4029 PR target/19653
4030 * regclass.c (struct reg_pref): Update documentation.
4031 (regclass): Set prefclass to NO_REGS if memory is the best option.
4032 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4033 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4034 into account. For non-registers, equate an empty preferred
4035 reload class to a `!' in the constraint; move the if clause to
4036 do so after those that reject the insn.
4037 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4038 return NO_REGS.
4039 (find_dummy_reload): Likewise.
4040 * doc/tm.texi (Register Classes): Document what it means
4041 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4042 * config/i386/i386.c (ix86_preferred_reload_class): Force
4043 using SSE registers (and return NO_REGS for floating-point
4044 constants) if math is done with SSE.
4045 (ix86_preferred_output_reload_class): New.
4046 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4047 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4048 * config/i386/i386.md: Remove # register preferences.
4050 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4052 PR bootstrap/26992
4053 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4054 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4055 the type of nb_iter.
4056 (instantiate_parameters_1): Convert the operands before calling
4057 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4058 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4060 2006-04-02 Roger Sayle <roger@eyesopen.com>
4062 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4063 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4064 instead of convert.
4065 * dojump.c (do_jump): Likewise.
4066 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4067 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4068 gimplify_boolean_expr): Likewise.
4069 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4070 * varasm.c (array_size_for_constructor): Likewise.
4071 * tree-object-size.c (compute_object_offset): Likewise.
4073 2006-04-02 Roger Sayle <roger@eyesopen.com>
4075 PR middle-end/26977
4076 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4077 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4079 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4081 PR tree-optimization/26939
4082 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4084 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4086 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4087 at_stmt. Convert the type of operands before calling
4088 build_polynomial_chrec.
4089 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4090 add_to_evolution_1.
4091 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4092 (instantiate_parameters_1): Convert the type of operands before calling
4093 build_polynomial_chrec.
4094 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4095 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4096 reset_evolution_in_loop): Insert asserts to check the types of the
4097 operands.
4098 (chrec_type): Moved...
4099 (eq_evolutions_p): Use operand_equal_p.
4100 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4101 the types of the operands.
4102 (chrec_type): ...here.
4103 * tree-data-ref.c (create_data_ref): Convert the operands before
4104 calling chrec_replace_initial_condition.
4105 (same_access_functions, analyze_subscript_affine_affine,
4106 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4107 (compute_subscript_distance, analyze_ziv_subscript,
4108 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4109 analyze_miv_subscript): Convert the operands before calling
4110 chrec_fold_minus or chrec_fold_plus.
4112 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4114 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4115 the dependence_relations vector.
4116 (compute_data_dependences_for_loop): Adjust call to
4117 compute_all_dependences.
4119 2006-04-01 Roger Sayle <roger@eyesopen.com>
4120 Richard Henderson <rth@redhat.com>
4122 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4123 gimple_boolify on the condition before calling gimplify_expr.
4125 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4127 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4128 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4129 the frame size. Update to use the new macros.
4130 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4131 * config/xtensa/ieee754-df.S: Likewise.
4133 2006-03-31 Richard Henderson <rth@redhat.com>
4135 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4136 (make_edges): ... here. Control fallthru creation with a local
4137 variable. Do not play with fake edges.
4138 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4139 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4140 a boolean.
4142 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4144 * dwarf2.h (DW64_CIE_ID): Define.
4145 * dwarf2out.c (DWARF_CIE_ID): Define.
4146 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4147 length header. Use DWARF_CIE_ID.
4148 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4149 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4151 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4153 * config/sh/linux-atomic.asm: New file.
4154 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4156 2006-03-31 DJ Delorie <dj@redhat.com>
4158 * config/m32c/cond.md: Set condition flags properly throughout.
4159 * config/m32c/minmax.md: Likewise.
4160 * config/m32c/prologue.md: Likewise.
4161 * config/m32c/bitops.md: Likewise.
4162 * config/m32c/muldiv.md: Likewise.
4163 * config/m32c/mov.md: Likewise.
4164 * config/m32c/addsub.md: Likewise.
4165 * config/m32c/m32c.md: Likewise.
4166 * config/m32c/jump.md: Likewise.
4167 * config/m32c/shift.md: Likewise.
4169 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4170 conditionally output the pattern for this.
4171 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4172 (m32c_compare_redundant): New.
4173 (m32c_output_compare): New.
4174 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4176 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4177 dest, not src. Allow other 4-byte modes.
4179 2006-03-30 Denis Chertykov <denisc@overta.ru>
4181 * doc/md.texi: Refer to avr/constraints.md instead of
4182 avr/avr.h.
4184 2006-03-30 Roger Sayle <roger@eyesopen.com>
4186 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4187 signed vs. unsigned comparison failures on some hosts.
4189 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4191 PR target/26459
4192 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4193 change to FLOAT_REGS.
4195 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4196 (rs6000_override_options): Use it.
4197 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4198 only for -mabi=spe/no-spe and -mabi=altivec.
4200 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4202 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4203 !Zdynamiclib.
4205 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4207 * Makefile.in: Rename docdir to gcc_docdir.
4209 2006-03-30 Roger Sayle <roger@eyesopen.com>
4211 PR target/17959
4212 * expr.c (emit_group_store): Optimize group stores into a pseudo
4213 register by using a paradoxical subreg to initialize the destination
4214 if the first or last member of the group specifies a "low part".
4216 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4218 PR target/26734
4219 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4220 * target.h (struct gcc_target.speculate_insn): Change type of the
4221 second parameter to 'int'.
4222 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4223 the second operand of the DEPS_LIST.
4224 (copy_DEPS_LIST_list): Update reference to the second operand of the
4225 DEPS_LIST.
4226 * rtl.h (alloc_DEPS_LIST): Update signature.
4227 * sched-int.h (ds_t): Change typedef to 'int'.
4228 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4230 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4232 * haifa-sched.c (try_ready): Change condition to restore
4233 non-speculative pattern of the instruction.
4234 (process_insn_depend_be_in_spec): Code to keep probability of the
4235 speculative dependence non-decreasing.
4237 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4239 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4240 (single_move_for_movmem): ... this. Also change all uses.
4241 (bfin_expand_strmov): Renamed to...
4242 (bfin_expand_movmem): ... this. Also change all uses.
4243 * config/bfin/bfin.md (movstrsi): Renamed to...
4244 (movstrsi): ...this.
4246 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4248 PR tree-optimization/26830
4250 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4251 (copy_prop_visit_stmt): Remove write-only variable ann.
4252 (init_copy_prop): Check variable loop depth here. Do not simulate
4253 memory-tag and virtual operand PHIs except for store copy prop.
4255 2006-03-30 Richard Guenther <rguenther@suse.de>
4257 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4258 variants with double arguments.
4260 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4262 * genpreds.c (write_tm_constrs_h): Delete variable p.
4263 * genconditions.c (write_header): Add tm-constrs.h to included
4264 headers.
4265 * genpeep.c (main): Add toplev.h to included headers.
4266 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4267 (build/genpeep.o): Add toplev.h dependency.
4268 * config/rs6000/constraints.md: Add "W" constraint.
4270 2006-03-29 Roger Sayle <roger@eyesopen.com>
4272 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4273 sizes by correctly testing whether the size fits a host integer.
4274 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4275 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4276 SImode range for the default sizetype and bitsizetype.
4278 2006-03-29 Roger Sayle <roger@eyesopen.com>
4280 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4281 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4282 quickly if the argument is already of the correct type.
4283 Call fold_build1 instead of build1. Tidy up blank lines.
4285 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4287 * genemit.c (main): Add tm-constrs.h to included headers.
4288 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4289 * genpeep.c (main): Add tm-constrs.h to included headers.
4290 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4291 (write_tm_constrs_h): this and write complete file.
4292 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4293 (write_insn_preds_c): Add tm-constrs.h to included headers.
4294 (gen_constrs): New variable.
4295 (parse_option): Parse "-c".
4296 (main): Invoke write_tm_constrs_h.
4297 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4298 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4299 (object_out_file): Add tm-constrs.h dependency.
4300 (insn-emit.o): Same.
4301 (insn-output.o): Same.
4302 (insn-peep.o): Same.
4303 (insn-preds.o): Same.
4304 (insn-recog.o): Same.
4305 (tm-constsr.h): New target.
4306 (s-constrs-h): New target.
4308 * config/rs6000/constraints.md: New file.
4309 * config/rs6000/rs6000.c: Include tm-constrs.h.
4310 (num_insn_constant_wide): Convert to satisfies_constraint.
4311 (rs6000_rtx_costs): Convert to satisfies_constraint.
4312 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4313 (CONST_OK_FOR_LETTER_P): Delete.
4314 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4315 (EXTRA_CONSTRAINT): Delete.
4316 (EXTRA_MEMORY_CONSTRAINT): Delete.
4317 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4318 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4319 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4320 satisfies_constraint.
4322 * config/i386/i386.c: Include tm-constrs.h.
4324 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4326 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4327 * tree-data-ref.c (find_data_references_in_loop,
4328 compute_data_dependences_for_loop): Use pointers to VEC.
4329 (analyze_all_data_dependences): Adjust calls.
4330 * tree-data-ref.h (find_data_references_in_loop,
4331 compute_data_dependences_for_loop): Adjust declarations.
4332 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4333 compute_data_dependences_for_loop.
4335 2006-03-29 Paul Brook <paul@codesourcery.com>
4337 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4338 (movdf_vfp): Ditto.
4340 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4342 PR tree-optimization/26859
4343 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4344 division by zero.
4345 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4346 for the step after fold_convert.
4348 2006-03-29 Paul Brook <paul@codesourcery.com>
4350 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4351 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4353 2006-03-29 Paul Brook <paul@codesourcery.com>
4355 PR middle-end/23623
4356 * targhooks.c (default_narrow_bitfield): New fuction.
4357 * targhooks.h (default_narrow_bitfield): add prototype.
4358 * target.h (gcc_target): Add narrow_volatile_bitfield.
4359 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4360 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4361 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4362 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4364 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4366 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4367 tmake_file.
4368 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4369 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4370 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4371 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4372 (s390_function_arg_float): Allow SDmode and DDmode values to be
4373 passed in floating point registers.
4374 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4375 check with SCALAR_FLOAT_MODE_P.
4376 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4378 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4380 PR tree-optimization/25985
4381 * tree-ssa-loop-niter.c (number_of_iterations_le,
4382 number_of_iterations_ne): Make comments more precise.
4383 (number_of_iterations_cond): Add only_exit argument. Use the
4384 fact that signed variables do not overflow only when only_exit
4385 is true.
4386 (loop_only_exit_p): New.
4387 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4388 number_of_iterations_cond.
4390 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4392 PR tree-optimization/26643
4393 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4394 bit_field_refs.
4396 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4398 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4399 (divsi3_i4_int): Likewise.
4401 2006-03-28 Roger Sayle <roger@eyesopen.com>
4403 * expr.c (emit_group_store): Only create a new pseudo reg if the
4404 quantity it needs to hold isn't already a suitable pseudo.
4406 2006-03-28 Jeff Law <law@redhat.com>
4408 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4409 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4411 2006-03-28 Roger Sayle <roger@eyesopen.com>
4413 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4414 the equivalent ~X & Y, and the symmetry related transformations.
4415 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4416 ~X & Y, and symmetry related transforms.
4418 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4420 Revert my 2006-03-27 patches.
4422 2006-03-28 Roger Sayle <roger@eyesopen.com>
4424 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4425 ~(T1)X, when T1 and T2 are integer types of the same precision
4426 and (T2)X isn't an extension.
4428 2006-03-28 Jeff Law <law@redhat.com>
4430 PR tree-optimization/26796
4431 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4432 need EH edge cleanups rather than purging them immediately.
4433 (eliminate_degenerate_phis): Handle queued EH cleanups.
4435 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4437 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4438 from parent_var.
4440 2006-03-27 Roger Sayle <roger@eyesopen.com>
4442 PR middle-end/22524
4443 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4444 cast BIT_NOT_EXPR operand to the correct type.
4446 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4448 * tree-loop-linear.c: Don't include varray.h.
4449 (gather_interchange_stats, try_interchange_loops,
4450 linear_transform_loops): Use VEC instead of VARRAY.
4451 * lambda-mat.c: Don't include varray.h.
4452 * tree-chrec.c: Same.
4453 * lambda-trans.c: Same.
4454 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4455 VEC instead of VARRAY.
4456 * tree-vectorizer.h: Idem.
4457 * tree-data-ref.c (dump_data_references,
4458 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4459 initialize_data_dependence_relation, finalize_ddr_dependent,
4460 compute_all_dependences, find_data_references_in_loop,
4461 compute_data_dependences_for_loop, analyze_all_data_dependences,
4462 free_dependence_relation, free_dependence_relations,
4463 free_data_refs): Idem.
4464 * tree-data-ref.h (data_reference_p, subscript_p): New.
4465 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4466 VEC instead of VARRAY.
4467 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4468 (find_data_references_in_loop, compute_data_dependences_for_loop,
4469 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4470 dump_data_dependence_relations, free_dependence_relations,
4471 free_data_refs): Adjust declaration.
4472 (lambda_transform_legal_p): Move declaration here...
4473 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4474 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4475 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4476 vect_analyze_data_refs): Use VEC instead of VARRAY.
4477 * lambda.h (lambda_transform_legal_p): ...from here.
4478 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4479 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4480 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4481 tree-chrec.o): Don't depend on VARRAY_H.
4483 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4485 * rtl.def (Copyright): Update date.
4486 (DEPS_LIST): Change type of the second operand to 'int'.
4487 * target.h (Copyright): Update date.
4488 (struct gcc_target.speculate_insn): Change type of the second parameter
4489 to 'int'.
4490 * lists.c (Copyright): Update date.
4491 (alloc_DEPS_LIST): Change signature. Update reference to the second
4492 operand of the DEPS_LIST.
4493 (copy_DEPS_LIST_list): Update reference to the second operand of the
4494 DEPS_LIST.
4495 * rtl.h (Copyright): Update date.
4496 (alloc_DEPS_LIST): Update signature.
4497 * sched-int.h (Copyright): Update date.
4498 (ds_t): Change typedef to 'int'.
4499 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4501 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4503 * haifa-sched.c (Copyright): Update date.
4504 (try_ready): Change condition to restore non-speculative pattern
4505 of the instruction.
4506 (process_insn_depend_be_in_spec): Code to keep probability of the
4507 speculative dependence non-decreasing.
4509 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4511 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4512 shut up the compiler.
4514 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4516 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4517 to use lib prefix for target.
4518 ($(T)libic_invalidate_array_4-200.a): Likewise.
4519 ($(T)libic_invalidate_array_4a.a): Likewise.
4521 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4522 J"orn Rennecke <joern.rennecke@st.com>
4524 * superh.opt: New file.
4525 * sh.c (boardtype, osruntime): Remove.
4526 * superh.h (SUBTARGET_OPTIONS): Remove.
4527 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4529 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4530 arguments with ^ and/or [].
4532 * config.gcc (sh-*-*): Add quoting to account for quirk of
4533 Solaris /bin/sh.
4534 Replace == with = in enable_incomplete_targets test.
4536 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4537 with MASK_LITTLE_ENDIAN.
4539 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4540 * config/sh/sh.opt: Added to some comments.
4541 * config/sh/superh.h: Removed some chaff.
4543 * config/sh/sh.opt: Add m4-[1234]00* options.
4544 * config/sh/sh.c (sh_handle_option): Likewise.
4545 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4546 (ic_invalidate_array_4-100.o): New rule.
4547 ($(T)libic_invalidate_array_4-100.a): Likewise.
4548 (ic_invalidate_array_4-200.o): Likewise.
4549 ($(T)libic_invalidate_array_4-200.a): Likewise.
4550 (ic_invalidate_array_4a.o): Likewise.
4551 ($(T)libic_invalidate_array_4a.a): Likewise.
4552 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4553 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4554 m4-200*, and m4a*.
4555 * config/sh/crt1.asm: Merged in profiling code.
4556 * config/sh/superh.h (STARTFILE_SPEC): Override.
4557 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4558 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4559 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4561 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4562 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4563 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4565 * sh.opt (mpretend-cmove): New option.
4566 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4567 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4568 (movsicc): Add TARGET_PRETEND_CMOVE code.
4570 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4572 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4573 s390_class_max_nregs): New function prototypes.
4574 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4575 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4576 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4577 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4579 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4581 * dwarf2out.c (add_location_or_const_value_attribute): Call
4582 tree_add_const_value_attribute if nothing else works.
4583 (reference_to_unused): New.
4584 (rtl_for_decl_init): Use reference_to_unused to decide whether
4585 to output an initializer.
4587 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4589 PR target/26459
4590 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4591 peephole removing spe frob_di_df_2.
4593 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4595 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4596 (subscript_dependence_tester_1): Declared.
4597 (print_dir_vectors, print_dist_vectors): New.
4598 (debug_data_dependence_relation): New.
4599 (dump_data_dependence_relation): Print more details.
4600 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4601 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4602 (save_dist_v, save_dir_v, add_outer_distances,
4603 build_classic_dist_vector_1): New.
4604 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4605 Don't test for lambda_vector_lexico_pos.
4606 (same_access_functions, add_multivariate_self_dist,
4607 add_other_self_distances, dir_from_dist): New.
4608 (build_classic_dir_vector): Replace implementation almost identical to
4609 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4610 dir_from_dist.
4611 (subscript_dependence_tester_1): New.
4612 (subscript_dependence_tester): Handle the lexicographically negative
4613 distance vectors by recomputing the dependence relation.
4614 (compute_affine_dependence): Remove parameter loop_nest_depth.
4615 (compute_self_dependence): Don't call compute_subscript_distance.
4616 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4617 Add a parameter for the loop_nest.
4618 (find_loop_nest_1, find_loop_nest): New.
4619 (compute_data_dependences_for_loop): Compute the loop nest, and give
4620 up if the nest is not well formed.
4621 * tree-data-ref.h (loop_p): New.
4622 (struct data_dependence_relation): Replace size_vect field with
4623 loop_nest, a vec of loops.
4624 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4625 (DDR_LOOP_NEST): New.
4626 (print_dir_vectors, print_dist_vectors,
4627 debug_data_dependence_relation): Declared.
4628 (index_in_loop_nest): New.
4629 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4630 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4631 distance.
4633 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4635 * simplify-rtx.c (simplify_relational_operation): Call
4636 simplify_relational_operation_1 even if mode is VOIDmode.
4638 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4640 PR tree-optimization/26804
4641 * tree.h (DECL_CALL_CLOBBERED): New macro.
4642 (tree_decl_common): Add call_clobbered_flag.
4643 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4644 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4645 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4646 (mark_non_addressable): Ditto.
4647 * tree-ssa.c (verify_call_clobbered): New function.
4648 (verify_alias_info): Use it.
4649 * tree-pass.h (pass_reset_cc_flags): New prototype.
4650 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4651 (reset_cc_flags): New function.
4652 * passes.c (init_optimization_passes): Call reset_cc_flags after
4653 initializing referenced_vars.
4655 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4656 Roger Sayle <roger@eyesopen.com>
4658 PR middle-end/26717
4659 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4660 to 1.0 for non-real operands. Implement A / A optimization for
4661 complex operands.
4663 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4665 * config/i386/i386.c (size_cost): Correct the comment for
4666 cost of storing fp registers.
4667 (i386_cost): Likewise.
4668 (i486_cost): Likewise.
4669 (pentium_cost): Likewise.
4670 (pentiumpro_cost): Likewise.
4671 (k6_cost): Likewise.
4672 (athlon_cost): Likewise.
4673 (k8_cost): Likewise.
4674 (pentium4_cost): Likewise.
4675 (nocona_cost): Likewise.
4676 (generic64_cost): Likewise.
4677 (generic32_cost): Likewise.
4679 2006-03-24 Denis Chertykov <denisc@overta.ru>
4681 * config/avr/avr-protos.h (extra_constraint): Delete.
4682 (extra_constraint_Q): New declaration.
4683 * config/avr/constraints.md: New file.
4684 * config/avr/avr.md: Include it.
4685 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4686 (TMP_REGNO, ZERO_REGNO): Likewise.
4687 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4688 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4689 (extra_constraint): Delete.
4690 (extra_constraint_Q): Test for memory constraint 'Q'.
4691 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4692 (REG_CLASS_FROM_LETTER): Delete.
4693 (CONST_OK_FOR_LETTER_P): Delete.
4694 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4695 (EXTRA_CONSTRAINT): Delete.
4696 (TMP_REGNO): Delete.
4697 (ZERO_REGNO): Delete.
4699 2006-03-24 Jeff Law <law@redhat.com>
4701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4702 directly. Call mark_new_vars_to_rename slightly earlier.
4704 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4706 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4707 (is_cxx): Likewise.
4708 (gen_compile_unit_die): Use new language types for Objective-C and
4709 Objective-C++.
4710 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4711 DW_LANG_C_plus_plus.
4713 PR 26793
4714 * config/t-darwin (crt3.o): Work around bug 26840.
4715 * config/darwin-crt3.c: Rewrite.
4716 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4718 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4720 * doc/invoke.texi: Document -femit-class-debug-always
4721 * common.opt: Add -femit-class-debug-always.
4723 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4725 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4726 index and base register.
4727 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4728 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4729 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4730 REGNO_OK_FOR_INDEX_P.
4731 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4732 ADDR_REGNO_P.
4733 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4734 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4735 REG_OK_FOR_BASE_P): Definitions removed.
4737 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4739 PR middle-end/26611
4740 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4741 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4742 set yet or weren't marked as local yet.
4744 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4746 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4747 the compiler.
4749 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4751 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4752 (rs6000_legitimate_small_data_p): Delete.
4753 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4754 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4755 and make static. Add forward declaration. Update uses.
4756 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4757 of offsettable_memref_p.
4758 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4759 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4761 2006-03-24 Jeff Law <law@redhat.com>
4763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4764 around bug in immediate-use iterator.
4766 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4768 PR target/26607
4769 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4770 or __LITTLE_ENDIAN__.
4772 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4774 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4775 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4776 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4777 * config/sh/sh.opt (mdiv=): Amend description.
4778 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4779 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4780 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4781 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4782 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4783 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4784 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4785 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4786 TARGET_DIVIDE_CALL_FP.
4788 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4790 * haifa-sched.c (choose_ready): Fix type of the local variable.
4791 Move local variables. Add comment.
4792 (check_reg_live): Change signature. Make callable from debugger.
4793 * sched-int.h (check_reg_live): Update signature.
4794 * sched-ebb.c (check_reg_live): Update parameters.
4795 * sched-rgn.c (check_reg_live): Ditto.
4796 (region_head_or_leaf_p): Check pointer before dereferencing.
4797 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4798 before reload on optimization levels below 1.
4800 2006-03-23 Richard Henderson <rth@redhat.com>
4802 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4803 tls symbols.
4805 PR target/26347
4806 * config/alpha/predicates.md (local_symbolic_operand): Reject
4807 weak symbols.
4809 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4811 PR tree-opt/26795
4812 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4813 expressions which have overflowed constants.
4815 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4817 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4819 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4821 * cfgloopmanip.c (create_loop_notes): Removed.
4822 * final.c (final_scan_insn): Do not handle loop notes.
4823 * jump.c (squeeze_notes): Ditto.
4824 * cfglayout.c (skip_insns_after_block,
4825 duplicate_insn_chain): Ditto.
4826 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4827 create_loop_notes.
4828 * cfgloop.h (create_loop_notes): Declaration removed.
4830 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4832 * varasm.c (output_constant_pool): Restore fnname and fndecl
4833 arguments.
4834 (assemble_start_function): Adjust call accordingly.
4835 (assemble_end_function): Likewise.
4837 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4839 PR mudflap/26789
4840 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4842 PR mudflap/26790
4843 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4845 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4847 PR driver/22600
4848 * system.h (ICE_EXIT_CODE): New macro.
4849 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4850 (diagnostic_action_after_output): Likewise.
4851 * gcc.c (fatal_ice): New function.
4852 (execute): Use it instead of fatal.
4853 (fancy_abort): Likewise.
4854 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4856 2006-03-22 Jeff Law <law@redhat.com>
4858 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4859 iv_analyze_result returning false.
4861 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4863 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4865 2006-03-22 Richard Henderson <rth@redhat.com>
4867 PR middle-end/26084
4868 * except.c (duplicate_eh_regions_0): New.
4869 (duplicate_eh_region_1): Duplicate the children of the node as
4870 well as the node itself. Link them up properly.
4871 (duplicate_eh_region_2): Merge into ...
4872 (duplicate_eh_regions): ... here. Take copy_region argument, and
4873 copy only a sub-tree if asked. Simplify copying and fixup.
4874 (eh_region_outer_p): New.
4875 * except.h (duplicate_eh_regions): Update decl.
4876 (eh_region_outer_p): Declare.
4877 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4878 (lower_omp_master): Likewise.
4879 (lower_omp_ordered): Likewise.
4880 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4881 (move_stmt_r): Use it to remap labels. Handle recursion vs
4882 remap_decls_p properly.
4883 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4884 (find_outermost_region_in_block): New.
4885 (new_label_mapper): New.
4886 (move_sese_region_to_fn): Copy eh information to the new function
4887 properly.
4888 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4889 argument.
4890 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4891 number.
4893 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4895 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4896 into shared libraries.
4898 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4900 * doc/md.texi: Refer to i386/constraints.md instead of
4901 i386/predicates.md.
4902 * config/i386/constraints.md: New file, extracted from...
4903 * config/i386/predicates.md: ...here.
4904 * config/i386/i386.md: Include constraints.md.
4906 2006-03-21 Jason Merrill <jason@redhat.com>
4908 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4910 PR middle-end/20297
4911 * expr.c (init_block_move_fn): Force default visibility.
4912 (init_block_clear_fn): Likewise.
4913 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4914 * targhooks.c (default_external_stack_protect_fail): Likewise.
4916 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4918 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4919 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4920 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4921 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4922 (loadgp): Use mips_current_loadgp_style.
4923 (loadgp_noshared): New pattern.
4924 (sibcall_internal): Use MIPS_CALL.
4925 (sibcall_value_internal): Likewise.
4926 (sibcall_value_multiple_internal): Likewise.
4927 (call_internal): Likewise.
4928 (call_value_internal): Likewise.
4929 (call_value_multiple_internal): Likewise.
4930 (call_split): Use MIPS_CALL and add an 'S' constraint.
4931 (call_value_split): Likewise.
4932 (call_value_multiple_split): Likewise.
4933 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4934 (-mshared): New option.
4935 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4936 (mips_current_loadgp_style): Declare.
4937 * config/mips/mips.c (mips_classify_symbol): Avoid using
4938 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4939 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4940 TARGET_ABSOLUTE_ABICALLS.
4941 (override_options): Adjust comments. Improve the warning that is
4942 issued when -mabicalls and -G are used together.
4943 (mips_file_start): Remove comment.
4944 (mips_current_loadgp_style): New function.
4945 (mips_gnu_local_gp): New variable.
4946 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4947 LOADGP_ABSOLUTE.
4948 (mips_output_function_prologue): Use mips_current_laodgp_style.
4949 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4950 the cprestore instruction.
4951 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4952 live for TARGET_ABSOLUTE_ABICALLS.
4953 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4954 (ASM_SPEC): Pass down -mshared and -mno-shared.
4955 (MIPS_CALL): New macro.
4956 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4957 definition.
4958 * doc/invoke.texi (-mabicalls): Update documentation.
4959 (-mshared): Document.
4961 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4963 * config/ia64/unwind-hpux.c: New file.
4964 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4966 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4968 PR libgomp/26384
4969 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4971 2006-03-21 Jeff Law <law@redhat.com>
4973 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4974 type conversions of a VR_VARYING source to a wider type.
4976 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4978 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4979 tm_file on Solaris 10 and later.
4980 (sparc64-*-solaris2*): Likewise.
4981 (sparc-*-solaris2*): Likewise.
4982 * config/sol26.h: Rename to config/sol2-6.h.
4983 * config/sol2-10.h: New file.
4985 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4987 PR tree-opt/26781
4988 * tree-ssa-pre.c (create_component_ref_by_pieces):
4989 Handle STRING_CST.
4991 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4993 PR c++/26690
4994 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4995 return it immediately.
4997 2006-03-21 Michael Matz <matz@suse.de>
4999 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5000 New members.
5001 (remove_arc, add_arc): Update num_out_arcs member.
5002 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5003 of out arcs.
5004 (cache_presence): New function.
5005 (compare_states_for_equiv): New function.
5006 (state_is_differed): Don't take number of outargs, adjust callers.
5007 Use new invariant for speeding up.
5008 (init_equiv_class): Create initial classes based on sorted
5009 input.
5010 (partition_equiv_class): Don't track out_arcs_num.
5011 (evaluate_equiv_classes): Call cache_presence on all states and
5012 sort them.
5014 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5016 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5017 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5018 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5019 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5020 callers changed.
5021 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5022 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5023 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5024 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5025 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5026 macros.
5027 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5028 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5029 (REGNO_REG_CLASS): ARGP is in PREGS.
5030 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5031 IREGS.
5032 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5033 to deal with those addresses.
5034 * addresses.h: New file.
5035 * caller-save.c: Include "addresses.h".
5036 (init_caller_save): Use new base_reg_class function.
5037 * rtl-factoring.c: Include "addresses.h".
5038 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5039 * recog.c: Include "addresses.h".
5040 (preprocess_constraints): Use new base_reg_class function.
5041 * regrename.c: Include "addresses.h".
5042 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5043 functions. Keep track of a new var INDEX_CODE to compute valid
5044 classes.
5045 (replace_oldest_value_addr): Likewise.
5046 (replace_oldest_value_mem): Use base_reg_class.
5047 * reload.c: Include "addresses.h".
5048 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5049 (find_reloads): Use new base_reg_class function.
5050 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5051 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5052 all callers and prototype changed.
5053 * reload1.c: Include "addresses.h".
5054 (maybe_fix_stack_asms): Use base_reg_class.
5055 * regclass.c: Include "addresses.h".
5056 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5057 (init_reg_autoinc): Use new base_reg_class function.
5058 (record_reg_classes): Likewise.
5059 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5060 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5061 Use new args to compute necessary class.
5063 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5064 regrename.o, rtl-factoring.o): Update dependencies.
5065 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5066 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5067 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5068 REG_OK_FOR_INDEX_P): Delete documentation.
5070 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5072 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5073 from V7 to V9 for Solaris 7 and above.
5075 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5077 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5078 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5079 argument pointers may not alias any other storage.
5080 * common.opt: Define option -fargument-noalias-anything.
5081 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5082 alias semantics is specified by flag_argument_noalias > 2.
5084 2006-03-20 Jeff Law <law@redhat.com>
5086 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5087 (pass_phi_only_cprop): Declare.
5088 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5089 with phi_only_cprop
5090 * tree-ssa-dom.c (degenerate_phi_result): New function.
5091 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5092 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5093 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5094 (eliminate_degenerate_phis): Likewise.
5095 (pass_phi_only_cprop): New pass descriptor.
5096 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5097 support code. Callers updated.
5098 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5099 (store_copy_prop): Likewise.
5100 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5102 2006-03-20 Jason Merrill <jason@redhat.com>
5104 PR c++/21764
5105 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5106 (push_visibility, pop_visibility): Likewise.
5107 * c-pragma.h: Declare them.
5109 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5111 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5113 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5114 parameter and use get_ebb_head_tail.
5115 (sh_md_init_global): Adjust uses of find_regmode_weight.
5117 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5119 * function.h (struct function) <x_tail_recursion_reentry>:
5120 Rename to x_stack_check_probe_note.
5121 (tail_recursion_reentry): Rename to stack_check_probe_note.
5122 * function.c: Replace tail_recursion_reentry with
5123 stack_check_probe_note everywhere.
5124 (expand_function_start): Only emit a note for
5125 stack_check_probe_note with -fstack-protect.
5126 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5128 * emit-rtl.c (remove_unnecessary_notes): Remove.
5129 (pass_remove_unnecessary_notes): Remove.
5130 * rtl.h (remove_unnecessary_notes): Remove prototype.
5131 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5132 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5133 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5135 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5137 PR tree-opt/26629
5138 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5139 (valid_in_set): Handle ARRAY_REF.
5140 Change "if min_variant or VH" to asserts.
5141 (create_component_ref_by_pieces): Handle ARRAY_REF.
5142 (create_expression_by_pieces): Likewise.
5143 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5145 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5147 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5148 is operand of switch, not str[0].
5150 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5152 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5153 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5155 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5157 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5158 end of insn_extra_address_constraint declaration.
5160 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5162 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5163 (no-sum-in-toc): Same.
5164 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5165 variables.
5166 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5167 NO_FP_IN_TOC for -fPIC instead of mask.
5169 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5170 (BOOT_LDFLAGS): Delete.
5171 (LDFLAGS): Delete.
5172 * config/rs6000/t-aix52: Same.
5174 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5175 (stmsi[345678]_power): New.
5177 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5179 * config/ia64/ia64.opt: Add empty line to end of file.
5181 2006-03-17 Richard Guenther <rguenther@suse.de>
5183 PR middle-end/26721
5184 * builtins.c (get_pointer_alignment): For component style references
5185 adjust alignment to the component type alignment. Make sure
5186 to adjust alignment for component access of constants.
5188 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5190 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5191 unconditional jump.
5193 2006-03-17 Paul Brook <paul@codesourcery.com>
5195 * doc/install.texi: Docuemnt --with-mode.
5196 * config.gcc: Add --with-mode for arm*-*-*.
5197 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5199 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5201 * sh.c (max_labelno_before_reorg): New variable.
5202 (sh_reorg): Initialize it.
5203 (find_barrier): Check max_labelno_before_reorg before using
5204 label_to_alignment. Take length of explicit alignment insns
5205 into account. When seeing a UNSPECV_CONST_END, return it.
5207 * sh.c (fixup_mova): Set mode of affected label to QImode.
5208 (untangle_mova): New function.
5209 (find_barrier): Use it. Check mode of label before decrementing
5210 num_mova.
5211 (sh_reorg): Likewise.
5212 Set mode of all insns back to VOIDmode.
5214 * sh.c (MOVA_LABELREF): New macro.
5215 (mova_p, fixup_mova, sh_reorg): Use it.
5216 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5217 ADDR_DIFF_VEC matches mova.
5219 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5221 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5222 with ATTRIBUTE_UNUSED.
5224 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5226 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5227 pointer, instead of assuming it is possible to derive the
5228 correct args size from a call insn.
5230 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5232 * rtl.h (CONST_INT_P): Define.
5233 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5234 instead of GET_CODE(x) == CONST_INT.
5235 (vax_rtx_costs): Likewise.
5236 (vax_output_int_move): Likewise.
5237 (vax_output_int_add): Likewise.
5238 (legitimate_constant_address_p): Likewise.
5239 (index_term_p): Likewise.
5240 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5241 * config/vax/vax.md (and<mode>3): Likewise.
5242 (ashrsi3): Likewise.
5243 (extv): Likewise.
5244 (movstricthi): Likewise.
5245 (movstrictqi): Likewise.
5246 (rotrsi3): Likewise.
5247 (five unnamed insns): Likewise.
5249 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5251 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5252 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5253 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5254 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5255 Pass to ASM_OUTPUT_DWARF_OFFSET.
5256 * dwarf2out.c (debug_frame_section): New.
5257 (output_call_frame_info): Use debug_frame_section. Pass it to
5258 dw2_asm_output_offset.
5259 (output_die): Pass appropriate section to dw2_asm_output_offset.
5260 (output_compilation_unit_header): Likewise.
5261 (output_pubnames): Likewise.
5262 (output_aranges): Likewise.
5263 (enum dw_val_class): Break dw_val_class_lbl_offset into
5264 dw_val_class_lineptr and dw_val_class_macptr.
5265 (add_AT_lbl_offset): Delete.
5266 (add_AT_lineptr): New.
5267 (add_AT_macptr): New.
5268 (AT_lbl): Expect a lineptr or macptr.
5269 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5270 (attr_checksum): Likewise.
5271 (same_dw_val_p): Likewise.
5272 (size_of_die): Likewise.
5273 (value_format): Likewise.
5274 (output_die): Likewise.
5275 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5276 add_AT_lbl_offset.
5277 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5278 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5279 * config/darwin-protos.h (darwin_file_start): New.
5280 (darwin_asm_output_dwarf_offset): New.
5281 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5282 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5283 darwin_file_start.
5284 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5285 if not EH section; simplify.
5286 (darwin_file_start): New.
5287 (darwin_asm_output_dwarf_offset): New.
5288 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5289 mark as 'debug'.
5290 (DEBUG_INFO_SECTION): Likewise.
5291 (DEBUG_ABBREV_SECTION): Likewise.
5292 (DEBUG_ARANGES_SECTION): Likewise.
5293 (DEBUG_MACINFO_SECTION): Likewise.
5294 (DEBUG_LINE_SECTION): Likewise.
5295 (DEBUG_LOC_SECTION): Likewise.
5296 (DEBUG_PUBNAMES_SECTION): Likewise.
5297 (DEBUG_STR_SECTION): Likewise.
5298 (DEBUG_RANGES_SECTION): Likewise.
5299 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5300 (ASM_OUTPUT_DWARF_OFFSET): New.
5302 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5304 * config.gcc (tm_defines): Always add to previous value rather
5305 than replacing it.
5307 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5309 * config/mips/predicates.md (splittable_const_int_operand): New,
5310 split from move_operand.
5311 (splittable_symbolic_operand): New.
5312 (move_operand): Add commentary. Use splittable_const_int_operand.
5313 Inline mips_atomic_symbolic_constant_p.
5314 * config/mips/mips.md: Add combine splitters for handling moves
5315 of splittable_const_int_operands and splittable_symbolic_operands.
5316 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5317 (mips_split_symbol): Declare.
5318 (mips_move_integer): Declare.
5319 * config/mips/mips.c (mips_split_p): Make global.
5320 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5321 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5322 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5323 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5324 (mips_offset_within_object_p): Handle block symbols.
5325 (mips_atomic_symbolic_constant_p): Delete.
5326 (mips_cannot_force_const_mem): Return false for constants that
5327 mips_legitimize_move can handle.
5328 (mips_use_blocks_for_constant_p): New function.
5329 (mips_split_symbol): Make global.
5330 (mips_move_integer): Likewise. Add a temporary register argument.
5331 (mips_legitimize_const_move): Use splittable_const_int_operand and
5332 splittable_symbolic_operand.
5333 (mips_use_anchors_for_symbol_p): New function.
5334 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5335 (mips_split_p): Declare.
5337 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5339 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5340 (mips*-*-linux*): Likewise.
5342 2006-03-16 Roger Sayle <roger@eyesopen.com>
5343 Daniel Speyer <dspeyer@wam.umd.edu>
5345 PR middle-end/18259
5346 * tree-dump.c (dump_real): New function.
5347 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5348 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5349 (tree-dump.o): Add $(REAL_H) to the dependencies.
5351 2006-03-16 Roger Sayle <roger@eyesopen.com>
5353 PR middle-end/21781
5354 * real.c (real_from_string): If the mantissa is zero, don't bother
5355 parsing the exponent as the result should always be zero.
5357 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5359 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5361 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5363 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5364 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5365 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5366 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5367 ia64_sched_finish_global): New static functions to implement
5368 hooks from gcc_target.sched.
5369 (spec_check_no, max_uid, pending_data_specs): New static variables.
5370 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5371 ia64_spec_check_src_p): New static functions.
5372 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5373 (TARGET_SCHED_ADJUST_COST): Removed.
5374 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5375 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5376 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5377 TARGET_SCHED_GEN_CHECK,
5378 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5379 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5380 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5381 Fixed to handle speculation checks.
5382 (rtx_needs_barrier): Fixed to handle speculative loads and
5383 their checks.
5384 (ia64_variable_issue): Added code to count speculative loads and their
5385 checks.
5386 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5387 speculative loads.
5388 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5389 New enumerations.
5390 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5391 New constants.
5392 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5393 (ia64_reorg): Reset stops_p to NULL after it is freed.
5394 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5395 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5396 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5397 chk_a.
5398 (data_speculative, control_speculative, check_load): New attributes.
5399 (mov<mode>_advanced, mov<mode>_speculative,
5400 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5401 zero_extend<mode>di2_speculative,
5402 zero_extend<mode>di2_speculative_advanced): New patterns for
5403 data and control speculative loads.
5404 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5405 check loads.
5406 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5407 New pattern for data and control speculation checks.
5408 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5409 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5410 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5411 Auxiliary definitions for the patterns.
5412 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5413 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5414 constraints.
5415 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5416 for speculation.
5417 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5418 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5419 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5420 New resource constraints.
5421 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5422 for speculation.
5423 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5424 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5425 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5426 msched-in-control-spec, msched-ldc, msched-control-ldc,
5427 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5428 msched-prefer-non-control-spec-insns,
5429 msched-count-spec-in-critical-path): New flags to tune speculative
5430 scheduling.
5431 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5432 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5433 msched-in-control-spec, msched-ldc, msched-control-ldc,
5434 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5435 msched-prefer-non-control-spec-insns,
5436 msched-count-spec-in-critical-path): Document new flags.
5438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5440 * target.h (struct spec_info_def): New opaque declaration.
5441 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5442 speculate_insn, needs_block_p, gen_check,
5443 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5444 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5445 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5446 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5447 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5448 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5449 gcc_target.sched.
5450 (TARGET_SCHED): Use new macros.
5451 * rtl.h (copy_DEPS_LIST_list): New prototype.
5452 * sched-int.h (struct sched_info): Change signature of new_ready field,
5453 adjust all initializations. New fields: add_remove_insn,
5454 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5455 region_head_or_leaf_p.
5456 (struct spec_info_def): New structure declaration.
5457 (spec_info_t): New typedef.
5458 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5459 recovery_block, orig_pat.
5460 (glat_start, glat_end): New variables declaraions.
5461 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5462 New access macros.
5463 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5464 DETACH_LIFE_INFO, USE_GLAT.
5465 (enum SPEC_SCHED_FLAGS): New enumeration.
5466 (NOTE_NOTE_BB_P): New macro.
5467 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5468 attach_life_info, debug_spec_status, check_reg_live): New functions.
5469 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5470 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5471 sched-ebb.c
5472 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5473 * ddg.c (get_block_head_tail): Adjust all uses.
5474 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5475 (sms_sched_info): Initialize new fields.
5476 (contributes_to_priority): Removed.
5477 * haifa-sched.c (params.h): New include.
5478 (get_block_head_tail): Adjust all uses.
5479 (ISSUE_POINTS): New macro.
5480 (glat_start, glat_end): New global variables.
5481 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5482 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5483 old_last_basic_block, before_recovery, current_sched_info_var,
5484 rgn_n_insns, luid): New static variables.
5485 (insn_cost1): New function. Move logic from insn_cost to here.
5486 (find_insn_reg_weight1): New function. Move logic from
5487 find_insn_reg_weight to here.
5488 (reemit_notes, move_insn, max_issue): Change signature.
5489 (move_insn1): Removed.
5490 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5491 extend_bb): New static functions to support extension of scheduler's
5492 data structures.
5493 (generate_recovery_code, process_insn_depend_be_in_spec,
5494 begin_speculative_block, add_to_speculative_block,
5495 init_before_recovery, create_recovery_block, create_check_block_twin,
5496 fix_recovery_deps): New static functions to support
5497 generation of recovery code.
5498 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5499 restore_bb_notes, move_block_after_check, move_succs): New static
5500 functions to support ebb scheduling.
5501 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5502 functions to support handling of register live information.
5503 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5504 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5505 add_jump_dependencies): New static functions.
5506 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5507 consistancy checking.
5508 (debug_spec_status): New function to call from debugger.
5509 (priority): Added code to handle speculation checks.
5510 (rank_for_schedule): Added code to distinguish speculative instructions.
5511 (schedule_insn): Added code to handle speculation checks.
5512 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5513 Fixed to handle ebbs.
5514 (move_insn): Added code to handle ebb scheduling.
5515 (max_issue): Added code to use ISSUE_POINTS of instructions.
5516 (choose_ready): Added code to choose between speculative and
5517 non-speculative instructions.
5518 (schedule_block): Added code to handle ebb scheduling and scheduling of
5519 speculative instructions.
5520 (sched_init): Initialize new variables.
5521 (sched_finish): Free new variables. Print statistics.
5522 (try_ready): Added code to handle speculative instructions.
5523 * lists.c (copy_DEPS_LIST_list): New function.
5524 * sched-deps.c (extend_dependency_caches): New function. Move logic
5525 from create_dependency_caches to here.
5526 (get_dep_weak, ds_merge): Make global.
5527 * genattr.c (main): Code to output prototype for
5528 dfa_clear_single_insn_cache.
5529 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5530 (output_dfa_clean_insn_cache_func): Code to output
5531 dfa_clear_single_insn_cache function.
5532 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5533 n_insns.
5534 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5535 Removed.
5536 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5537 New static variables.
5538 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5539 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5540 struct sched_info.
5541 (ebb_sched_info): Initialize new fields.
5542 (get_block_head_tail): Adjust all uses.
5543 (compute_jump_reg_dependencies): Fixed to use glat_start.
5544 (schedule_ebb): Code to remove unreachable last block.
5545 (schedule_ebbs): Added code to update register live information.
5546 * sched-rgn.c (region_sched_info): Initialize new fields.
5547 (get_block_head_tail): Adjust all uses.
5548 (last_was_jump): Removed. Adjust users.
5549 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5550 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5551 Implement new hooks.
5552 (check_dead_notes1): New static function.
5553 (struct region): New fields: dont_calc_deps, has_real_ebb.
5554 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5555 (BB_TO_BLOCK): Fixed to handle EBBs.
5556 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5557 (ebb_head): New static variable.
5558 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5559 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5560 new fields.
5561 (compute_dom_prob_ps): New assertion.
5562 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5563 global_live_at_start.
5564 (init_ready_list): New assertions.
5565 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5566 (new_ready): Add support for BEGIN_CONTROL speculation.
5567 (schedule_insns): Fixed code that updates register live information
5568 to handle EBBs.
5569 (schedule_region): Fixed to handle EBBs.
5570 (init_regions): Use extend_regions and check_dead_notes1.
5571 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5572 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5573 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5574 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5575 TARGET_SCHED_GEN_CHECK,
5576 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5577 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5578 * doc/invoke.texi (max-sched-insn-conflict-delay,
5579 sched-spec-prob-cutoff): Document.
5581 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5583 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5584 inter_tick, queue_index.
5585 (struct sched_info): Change signature of init_ready_list field.
5586 Adjust all initializations.
5587 (RESOLVED_DEPS): New access macro.
5588 (ready_add): Remove prototype.
5589 (try_ready): Add prototype.
5590 * sched-rgn.c (init_ready_list): Use try_ready.
5591 (schedule_region): Initialize
5592 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5593 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5594 (init_ready_list): Use try_ready.
5595 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5596 * lists.c (remove_list_elem): Remove `static'.
5597 (remove_free_INSN_LIST_elem): New function.
5598 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5599 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5600 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5601 New constants.
5602 (readyp): New variable.
5603 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5604 change_queue_index, resolve_dep): New static functions.
5605 (try_ready): New function. Adjust callers in sched-rgn.c and
5606 sched-ebb.c to use it instead of ready_add.
5607 (clock_var): Move at the begining of file.
5608 (rank_for_schedule): Fix typo.
5609 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5610 (ready_lastpos): Enforce assertion.
5611 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5612 update all callers.
5613 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5614 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5615 (queue_to_ready): Use free_INSN_LIST_list.
5616 (early_queue_to_ready): Fix typo.
5617 (schedule_block): Init readyp. Move init_ready_list call after the
5618 initialization of clock_var. Fix error in rejecting insn by
5619 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5620 that previously corrected INSN_TICKs. Add code for handling
5621 QUEUE_INDEX.
5622 (set_priorities): Fix typo.
5623 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5624 Clarify comment and code that keeps current_sched_info->next_tail
5625 non-null.
5627 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5629 * sched-rgn.c (extend_rgns): New static function.
5630 (find_rgns): Use it.
5631 (gather_region_statistics, print_region_statistics): New static
5632 functions.
5633 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5634 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5636 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5637 Andrey Belevantsev <abel@ispras.ru>
5639 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5640 * lists.c (unused_deps_list): New variable.
5641 (free_list): Add assertions to verify the proper distinguishing
5642 between INSN_LISTs and DEPS_LISTs.
5643 (find_list_elem, remove_list_elem, remove_list_node): New static
5644 functions.
5645 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5646 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5647 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5648 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5649 an INSN_LIST.
5650 (free_INSN_LIST_node): Likewise.
5651 * modulo-sched.c (current_sched_info): Initialize flags field.
5652 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5653 * rtl.def (DEPS_LIST): Define.
5654 * rtl.h: Declare new functions from lists.c.
5655 * sched-deps.c (spec_dependency_cache): New static variable.
5656 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5657 (add_dependence): Change return type to void. Move the logic to ...
5658 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5659 (delete_all_dependences): Add comment about forward_dependency_cache.
5660 Handle spec_dependency_cache. Handle DEPS_LISTs.
5661 (fixup_sched_groups): Clarify the change of priority of output
5662 and anti dependencies.
5663 (sched_analyze_2): Adjust add_dependence calls to create data
5664 speculative dependence.
5665 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5666 Adjust all callers. Handle DEPS_LISTS.
5667 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5668 presence of speculation.
5669 (init_dependency_caches, free_dependency_caches):
5670 Handle spec_dependency_cache.
5671 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5672 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5673 New static functions.
5674 (add_or_update_back_dep, add_or_update_back_forw_dep,
5675 add_back_forw_dep, delete_back_forw_dep): New functions.
5676 * sched-int.h (ds_t, dw_t): New typedefs.
5677 (struct sched_info): Add new field flags.
5678 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5679 Prototype new sched-deps.c functions.
5680 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5681 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5682 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5683 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5684 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5685 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5686 New constants.
5687 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5688 New enums.
5689 * sched-rgn.c (current_sched_info): Initialize flags field.
5690 (schedule_insns): Initialize current_sched_info before the sched_init
5691 call.
5692 * sched-ebb.c (current_sched_info): Initialize flags field.
5693 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5694 Call add_or_update_back_dep instead of add_dependence.
5695 Create control speculative dependencies.
5696 (schedule_insns): Initialize current_sched_info before the sched_init
5697 call.
5699 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5701 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5702 fs->signal_frame.
5703 (sh_fallback_frame_state): Likewise.
5705 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5707 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5708 Do switch on default_use_cxa_atexit.
5709 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5710 * config/darwin-crt3.o: New.
5711 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5712 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5713 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5714 OS version.
5715 * config/rs6000/t-darwin: Move crt2.o building to here.
5716 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5717 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5718 of __cxa_atexit.
5720 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5722 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5723 from '! xxx' to '!xxx' for coding-style conformance.
5724 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5725 (EXTRA_CONSTRAINT): Likewise.
5726 * config/vax/vax.md (four unnamed insns): Likewise.
5728 2006-03-15 Paul Brook <paul@codesourcery.com>
5730 * config/arm/arm.c (minipool_pad): New.
5731 (add_minipool_forward_ref): Include pool alignment padding in address
5732 calculation.
5733 (push_minipool_fix): Set minipool_pad.
5734 (minipool_pad): Ditto.
5736 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5738 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5739 instead of GET_CODE() == MEM and REG_P() instead of
5740 GET_CODE() == REG.
5741 (print_operand_address): Likewise.
5742 (vax_address_cost): Likewise.
5743 (vax_rtx_costs): Likewise.
5744 (vax_notice_update_cc): Likewise.
5745 (vax_output_int_add): Likewise.
5746 (INDEX_REGISTER_P): Likewise.
5747 (BASE_REGISTER_P): Likewise.
5748 (nonindexed_address_p): Likewise.
5749 (vax_mode_dependent_address_p): Likewise.
5750 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5751 (PRINT_OPERAND): Likewise.
5752 * config/vax/vax.md (ashlsi3): Likewise.
5753 (ashlsi3): Likewise.
5754 (some more unnamed insns): Likewise.
5756 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5758 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5759 iterator-style macro.
5760 (mark_control_dependent_edges_necessary): Update the use of
5761 EXECUTE_IF_CONTROL_DEPENDENT.
5763 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5765 * config/sh/predicates.md (cache_address_operand): Special.
5766 (ua_address_operand): Likewise.
5768 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5770 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5771 loop notes.
5772 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5774 2006-03-15 Andreas Schwab <schwab@suse.de>
5776 * gensupport.c (identify_predicable_attribute): Don't free p_false
5777 when it is still in use.
5779 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5781 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5782 the default setting here.
5784 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5786 * tree-pass.h (pass_cfg): Remove.
5787 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5788 * passes.c (pass_cfg): Don't run it.
5790 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5792 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5793 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5794 VEC(char,heap) *.
5795 (stack_regs_mentioned): Update the uses of
5796 stack_regs_mentioned_data. Don't access the array beyond its
5797 end.
5798 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5799 Don't include gt-reg-stack.h.
5801 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5802 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5804 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5806 PR middle-end/26684
5807 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5808 STACK_REGS.
5810 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5812 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5814 2006-03-14 Richard Guenther <rguenther@suse.de>
5816 PR tree-optimization/26672
5817 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5818 SSA form.
5820 2006-03-14 Richard Guenther <rguenther@suse.de>
5822 PR tree-optimization/26667
5823 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5824 node for the callees. Always allow inlining if it will shrink
5825 the function size.
5827 2006-03-14 Richard Guenther <rguenther@suse.de>
5829 PR middle-end/26659
5830 * builtins.c (get_pointer_alignment): Prefer alignment
5831 information from decls over that from types.
5833 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5835 PR target/26657
5836 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5838 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5840 * config/rs6000/rs6000.opt (mdlmzb): New option.
5841 (msched-prolog, msched-epilog): Use Var not Mask.
5842 * doc/invoke.texi (-mdlmzb): Document.
5843 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5844 MASK_SCHED_PROLOG.
5845 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5846 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5848 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5850 PR rtl-optimization/25739
5851 * bt-load.c (augment_live_range): Free tos pointer.
5853 * gensupport.c (identify_predicable_attribute): Free
5854 p_false pointer.
5855 * gcov.c (create_file_names): Free name pointer.
5857 2006-03-13 Roger Sayle <roger@eyesopen.com>
5859 PR middle-end/26557
5860 * stmt.c (emit_case_nodes): Handle the case where the index is a
5861 CONST_INT, where the comparison mode is specified by the index type.
5863 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5865 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5866 is defined.
5868 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5870 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5871 (*branch_fp_inverted): Likewise.
5873 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5875 PR middle-end/25989
5876 * omp-low.c (expand_omp_for_generic): Mark istart0
5877 and iend0 as addressable.
5879 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5881 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5883 2006-03-13 Jeff Law <law@redhat.com>
5885 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5886 virtual operands are interesting.
5887 (vrp_visit_stmt): Corresponding changes.
5889 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5891 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5892 of RETS.
5893 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5894 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5895 * config/bfin/crti.S: Use it instead of __PIC__.
5896 * config/bfin/crtn.S: Likewise.
5898 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5899 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5900 not if flag_pic.
5901 Lose 'G' modifier for call operand.
5902 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5903 recognize 'G' modifier.
5905 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5907 PR middle-end/18859
5908 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5909 * stmt.c (expand_case): Likewise.
5911 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5913 PR rtl-optimization/26254
5914 * loop-invariant.c (seq_insns_valid_p): New function.
5915 (move_invariant_reg): Only emit new code if it is valid.
5917 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5919 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5920 Removed.
5921 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5922 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5923 (commit_one_edge_insertion): Do not look for loop notes.
5925 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5927 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5928 flag_test_coverage out of loop.
5930 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5932 * final.c (shorten_branches): Remove outdated comment, and turn
5933 the if branch that guards it to continue.
5935 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5937 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5938 * cfgloop.h (struct loop): Remove unused fields.
5940 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5942 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5943 (-dL, -fdump-rtl-loop2): Update the dump file names
5945 * doc/invoke.texi: Update dump file names.
5947 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5949 * predict.c (estimate_probability): Remove.
5950 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5951 * basic-block.h (estimate_probability): Remove prototype.
5952 * passes.c (finish_optimization_passes): Dump branch prediction or
5953 profiling heuristics to the .profile tree dump.
5954 (init_optimization_passes): Unqueue pass_branch_prob.
5956 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5958 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5960 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5961 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5963 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5965 * function.h (frame_offset_overflow): Declare.
5966 * function.c (frame_offset_overflow): New function.
5967 (assign_stack_local_1): Call it to detect that the offset overflows.
5968 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5970 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5972 * config/sh/sh.c: Include alloc-pool.h.
5973 (label_ref_list_pool): New alloc pool.
5974 (label_ref_list_t): New type for lists of labels.
5975 (struct pool_node): Make wend a label_ref_list_t.
5976 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5977 references.
5978 (dump_table): Likewise.
5979 (sh_reorg): Set up the alloc pool before using add_constant and
5980 dump_table, and destroy it when finishing.
5982 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5984 * config/mips/mips.c: Remove redundant comment.
5986 2006-03-10 Jason Merrill <jason@redhat.com>
5988 PR c/26004
5989 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5990 the target was declared 'register'.
5992 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5994 * genpreds.c (write_insn_constraint_len): Change definition of
5995 insn_constraint_len to return size_t to match the declaration.
5997 2006-03-10 DJ Delorie <dj@redhat.com>
5999 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6000 start at zero.
6001 (m32c_expand_insv): Fix test for an AND mask.
6003 2006-03-10 Richard Guenther <rguenther@suse.de>
6005 PR middle-end/26565
6006 * builtins.c (get_pointer_alignment): Handle component
6007 references for field alignment.
6009 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6011 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6012 when building with libgloss.
6013 (sh*elf): Implement --without-fp option.
6014 (sh64-superh-linux*): Don't multilib.
6016 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6018 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6020 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6022 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6023 Set it when one of the replacement functions returned true.
6024 Return TODO_cleanup_cfg if cfgchanged is true.
6025 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6027 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6029 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6030 instead of gen_lowpart.
6032 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6034 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6035 interface.
6036 (mips_output_order_conditional_branch): Declare.
6037 * config/mips/mips.h (MIPS_BRANCH): New macro.
6038 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6039 for the comparison. Use gen_condjump.
6040 (mips_output_conditional_branch): Rework interface to take the
6041 asm templates for a direct branch and the inverse of a direct branch.
6042 (mips_output_order_conditional_branch): New function.
6043 (mips_builtin_branch_and_move): New function.
6044 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6045 branch condition. Use gen_single_cc as the condition for
6046 __builtin_mips_upper_* or __builtin_mips_lower_*.
6047 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6048 Use VOIDmode for the branch condition.
6049 * config/mips/predicates.md (order_operator): New predicate.
6050 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6051 (branch_fp): Rename to...
6052 (*branch_fp): ...this. Remove mode from comparison operator.
6053 Use new mips_output_conditional_branch interface.
6054 (branch_fp_inverted): Rename to...
6055 (*branch_fp_inverted): ...this and update as for *branch_fp.
6056 (*branch_zero<mode>): Rename to...
6057 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6058 Use mips_output_order_conditional_branch. Only accept ordered
6059 comparisons.
6060 (*branch_zero<mode>_inverted): Rename to...
6061 (*branch_order<mode>_inverted): ...this and update as for
6062 *branch_order<mode>.
6063 (*branch_equality<mode>): Accept zero as the second operand to
6064 the equality operator. Use the new mips_output_conditional_branch
6065 interface.
6066 (*branch_equality<mode>_inverted): Likewise.
6067 (condjump): New expander.
6068 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6069 operator.
6070 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6071 (bc1any2t, bc1any2f): Likewise.
6072 (single_cc): New expander.
6073 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6075 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6077 * doc/md.texi: Update documentation of MIPS constraints.
6078 * config/mips/constraints.md: New file.
6079 * config/mips/mips.md: Include it.
6080 * config/mips/mips.c (mips_char_to_class): Delete.
6081 (override_options): Don't initialize mips_char_to_class.
6082 * config/mips/mips.h (mips_char_to_class): Delete.
6083 (REG_CLASS_FROM_LETTER): Delete.
6084 (CONST_OK_FOR_LETTER_P): Delete.
6085 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6086 (EXTRA_CONSTRAINT_Y): Delete.
6087 (EXTRA_CONSTRAINT_STR): Delete.
6088 (CONSTRAINT_LEN): Delete.
6089 (EXTRA_MEMORY_CONSTRAINT): Delete.
6091 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6093 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6094 original fn's eh regions.
6096 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6098 * fold-const.c (build_range_check): Make sure to use a valid type to
6099 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6100 transformation.
6102 (range_predecessor): New static function.
6103 (range_successor): Likewise.
6104 (merge_ranges): Use them to compute predecessors and successors of
6105 range bounds.
6107 2006-03-09 Roger Sayle <roger@eyesopen.com>
6109 PR middle-end/26561
6110 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6111 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6113 2006-03-08 DJ Delorie <dj@redhat.com>
6115 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6116 (addpsi3): Expand to include memory operands. Remove
6117 reload-specific splits.
6118 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6119 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6120 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6121 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6122 (shift1_qi, shift1_hi, insv): New.
6123 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6124 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6125 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6126 cond_to_int): New.
6127 * config/m32c/m32c-protos.h: Update as needed.
6128 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6129 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6130 Fail for unrecognized R* constraints.
6131 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6132 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6133 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6134 Add Sp constraint.
6135 (m32c_init_libfuncs): New.
6136 (m32c_legitimate_address_p): Add debug wrapper.
6137 (m32c_rtx_costs): New.
6138 (m32c_address_cost): New.
6139 (conversions): Add 'B' prefix.
6140 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6141 operands, or word regnames for QI operands. 'B' prints bit
6142 position.
6143 (m32c_expand_setmemhi): New.
6144 (m32c_expand_movmemhi): New.
6145 (m32c_expand_movstr): New.
6146 (m32c_expand_cmpstr): New.
6147 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6148 (m32c_expand_neg_mulpsi3): Handle non-ints.
6149 (m32c_cmp_flg_0): New.
6150 (m32c_expand_movcc): New.
6151 (m32c_expand_insv): New.
6152 (m32c_scc_pattern): New.
6153 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6154 a0/a1 out of SIregs.
6155 (STORE_FLAG_VALUE): New.
6156 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6157 code macros.
6158 (no_insn): New.
6159 * config/m32c/mov.md: Make constraints more liberal.
6160 (zero_extendqihi2): Optimize r0/r1 case.
6161 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6162 * config/m32c/predicates.md (m32c_any_operand): New.
6163 (m32c_nonimmediate_operand): New.
6164 (m32c_hl_operand): New.
6165 (m32c_r3_operand): New.
6166 (ap_operand): New.
6167 (ma_operand): New.
6168 (memsym_operand): New.
6169 (memimmed_operand): New.
6170 (a_qi_operand): New.
6171 (m32c_eqne_operator): New.
6172 (m32c_1bit8_operand): New.
6173 (m32c_1bit16_operand): New.
6174 (m32c_1mask8_operand): New.
6175 (m32c_1mask16_operand): New.
6176 * config/m32c/blkmov.md: New file.
6177 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6179 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6181 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6182 unsigned to fix signed/unsigned comparison issue in
6183 DWARF2_FRAME_REG_OUT.
6184 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6185 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6187 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6188 of ptr into the ENABLE_CHECKING section.
6190 2006-03-08 Jeff Law <law@redhat.com>
6192 * tree-vrp.c (infer_value_range): Only count pointer uses
6193 and dereferences if -fdelete-null-pointer-checks is enabled.
6195 * tree-vrp.c (find_assert_locations): Infer value ranges for
6196 single use pointers, but do not create ASSERT_EXPRs for them.
6197 When a non-null range is inferred for a pointer, backwards
6198 propagate that range to other equivalent pointers through the
6199 use-def chain.
6201 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6203 PR bootstrap/26500
6204 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6205 language hook targets.
6206 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6207 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6208 if language hook targets were missing.
6210 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6212 * tree-ssa-opfinalize.h: Removed.
6213 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6214 dependency.
6215 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6216 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6217 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6218 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6219 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6220 finalize_ssa_v_must_def_ops): New.
6222 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6224 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6225 block as parameter.
6227 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6229 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6231 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6232 addresses with offsets; reorganize.
6234 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6235 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6236 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6238 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6240 PR target/26588
6241 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6243 2006-03-08 Ben Elliston <bje@au.ibm.com>
6245 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6247 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6249 PR gomp/26238
6250 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6251 expansion.
6253 2006-03-07 Richard Guenther <rguenther@suse.de>
6255 PR tree-optimization/26587
6256 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6258 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6260 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6262 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6264 * hooks.c (hook_bool_mode_rtx_true): New function.
6265 * hooks.h (hook_bool_mode_rtx_true): Declare.
6266 * toplev.c (compile_file): Call output_shared_constant_pool.
6267 * varasm.c (shared_constant_pool): New variable.
6268 (assemble_start_function, assemble_end_function): Remove arguments
6269 from call to output_constant_pool.
6270 (create_constant_pool): New function, split out from...
6271 (init_varasm_status): ...here.
6272 (force_const_mem): Choose between the shared and per-function constant
6273 pools. Set current_function_uses_const_pool when reusing old entries
6274 as well as when creating new ones.
6275 (mark_constant): Ignore data argument.
6276 (mark_constants): Remove pool argument.
6277 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6278 to decide whether the function uses a constant pool.
6279 (output_constant_pool_contents): New function, split out from...
6280 (output_constant_pool): ...here.
6281 (output_shared_constant_pool): New function.
6282 (init_varasm_once): Initialize shared_constant_pool.
6283 * output.h (output_constant_pool): Delete.
6284 (output_shared_constant_pool): Declare.
6285 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6286 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6288 2006-03-06 Nick Clifton <nickc@redhat.com>
6290 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6291 flag_strength_reduce.
6293 2006-03-06 Ben Elliston <bje@au.ibm.com>
6295 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6296 x86_64-*-linux* configurations.
6298 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6299 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6301 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6303 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6304 Remove.
6305 * basic-block.h: Remove the extern for
6306 rediscover_loops_after_threading.
6308 * cfgloop.c (cancel_loop): Make it static.
6309 * cfgloop.h: Remove the prototype for cancel_loop.
6311 * flow.c (recompute_reg_usage): Make it static.
6312 * rtl.h: Remove the prototype for recompute_reg_usage.
6314 * function.c (use_return_register): Make it static.
6315 * function.h: Remove the prototype.
6317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6319 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6320 Remove.
6321 * recog.h: Remove the prototype for
6322 validate_change_maybe_volatile.
6324 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6326 * rtlanal.c (replace_reg): Remove.
6327 * rtl.h: Remove the prototype for replace_reg.
6329 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6331 * regclass.c (reg_scan_update): Remove.
6332 (reg_scan_mark_refs): Remove the last argument.
6333 * rtl.h: Remove the prototype for reg_scan_update.
6335 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6337 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6338 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6339 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6340 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6341 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6342 loop-invariant.c, omp-low.c, opts.c, passes.c,
6343 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6344 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6345 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6346 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6347 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6348 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6350 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6352 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6353 * dwarf2out.h: Remove the prototype for
6354 dwarf2out_add_library_unit_info.
6356 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6358 * tree.c (add_var_to_bind_expr): Remove.
6359 * tree.h: Remove the prototype for add_var_to_bind_expr.
6361 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6363 * regclass.c (n_non_fixed_regs): Remove.
6364 (init_reg_sets_1, globalize_reg): Remove all uses of
6365 n_non_fixed_regs.
6366 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6368 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6370 * rtlanal.c (insns_safe_to_move_p): Remove.
6371 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6373 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6375 * expmed.c (expand_mult_add): Remove.
6376 * expr.h: Remove the prototype for expand_mult_add.
6378 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6380 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6381 and REG_SAVED_VAL_EXP constants.
6382 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6383 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6384 Handle regs stored by value.
6385 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6386 (execute_cfa_program): Handle DW_CFA_val_offset,
6387 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6388 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6389 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6390 (uw_install_context_1): Handle target regs stored by value.
6392 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6394 * tree-sra.c (tree_sra): Return todoflags;
6395 (generate_one_element): Set TODO_update_smt_usage if needed.
6396 (pass_sra): Remove TODO_update_smt_usage.
6397 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6398 parameter.
6399 (tree_ssa_forward_propagate_single_use_vars): Return
6400 TODO_update_smt_usage if we need to update SMT usage.
6401 (pass_forwprop): Remove TODO_update_smt_usage.
6403 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6405 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6406 (correct_use_link): Remove reference to get_stmt_operands.
6407 (update_stmt_operands): Likewise.
6408 (get_modify_expr_operands): New function factored out of
6409 parse_ssa_operands and get_expr_operands.
6410 Try to create V_MUST_DEFs for LHS by default.
6411 (get_expr_operands) <case MODIFY_EXPR>: Call
6412 get_modify_expr_operands.
6413 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6414 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6415 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6416 get_modify_expr_operands.
6418 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6420 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6421 * tree-flow.h: Remove the prototype for
6422 referenced_var_lookup_if_exists.
6424 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6426 PR rtl-optimization/26345
6427 PR target/19061
6428 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6430 2006-03-03 Roger Sayle <roger@eyesopen.com>
6432 PR tree-optimization/26524
6433 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6434 fold_convert to create a constant of the appropriate type.
6436 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6438 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6439 SYMBOL_REF_IN_BLOCK_P.
6440 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6441 of SYMBOL_FLAG_IN_BLOCK.
6442 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6443 instead of SYMBOL_REF_IN_BLOCK_P.
6444 * explow.c (use_anchored_address): Likewise.
6445 * rtl.c (rtx_size): Likewise.
6446 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6447 instead of SYMBOL_FLAG_IN_BLOCK.
6448 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6449 SYMBOL_REF_IN_BLOCK_P.
6450 (assemble_variable): Likewise.
6451 (output_constant_def_contents): Likewise.
6452 (output_constant_pool): Likewise.
6453 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6454 instead of SYMBOL_FLAG_IN_BLOCK.
6455 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6456 SYMBOL_REF_IN_BLOCK_P.
6457 (SYMBOL_REF_BLOCK): Likewise.
6458 (SYMBOL_REF_OFFSET): Likewise.
6459 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6460 SYMBOL_REF_IN_BLOCK_P.
6461 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6462 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6463 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6464 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6466 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6468 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6470 2006-03-02 Roger Sayle <roger@eyesopen.com>
6472 * simplify-rtx.c (simplify_unary_operation): When simplifying
6473 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6474 that we perform the right shift in the appropriate mode, and
6475 then extend or truncate the result to requested mode.
6477 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6479 * gengtype.c (main): Handle double_int type.
6480 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6481 * double-int.c: New file.
6482 * double-int.h: New file.
6483 * system.h: Include doubleint.h.
6484 * Makefile.in (SYSTEM_H): Include double-int.h.
6485 (double-int.o): Add.
6487 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6489 PR bootstrap/26478
6490 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6491 copying over it.
6493 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6495 * tree-vrp.c (remove_range_assertions): Do not update statements
6496 unnecessarily.
6498 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6500 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6501 cleanup.
6502 * gcse.c (rest_of_handle_gcse): Ditto.
6503 * except.c (gate_handle_eh): Ditto.
6504 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6505 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6507 2006-03-02 Eric Christopher <echristo@apple.com>
6509 * config/i386/i386.c (machopic_output_stub): Add indirection to
6510 jump.
6512 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6514 * loop.c: Removed.
6516 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6518 Sun Niagara specific optimizations.
6519 * config.gcc: Recognize niagara as target.
6520 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6521 (TARGET_CPU_niagara): Define.
6522 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6523 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6524 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6525 (ASM_CPU_SPEC): Likewise.
6526 (PROCESSOR_NIAGARA): New enum entry.
6527 (REGISTER_MOVE_COST): Handle Niagara.
6528 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6529 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6530 (sparc_override_options): Recognize "niagara", set appropriate
6531 default MASK_* values for it, and align functions to 32-bytes
6532 by default just like ULTRASPARC/ULTRASPARC3.
6533 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6534 (sparc64_initialize_trampoline): Likewise.
6535 (sparc_use_sched_lookahead): Use zero for niagara.
6536 (sparc_issue_rate): Use one for niagara.
6537 * config/sparc/niagara.md: New file.
6538 * config/sparc/sparc.md: Include it.
6539 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6540 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6541 when default cpu is niagara.
6542 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6543 (ASM_CPU_SPEC): Likewise.
6544 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6545 when default cpu is niagara.
6546 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6547 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6548 just like v9/ultrasparc/ultrasparc3.
6549 * doc/invoke.texi: Add documentation for "niagara" and improve
6550 existing documentation for ultrasparc variants.
6552 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6554 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6556 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6558 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6559 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6560 and say that only one is needed.
6561 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6562 * target.h (have_switchable_bss_sections): New hook.
6563 * explow.c (use_anchored_address): Check that the symbol is in a block.
6564 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6565 (bss_noswitch_section): New variables.
6566 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6567 (get_noswitch_section): New function.
6568 (get_block_for_section): Allow SECT to be null.
6569 (unlikely_text_section_p): Use SECTION_STYLE.
6570 (bss_initializer_p): New function.
6571 (get_variable_section): Move earlier in file. Take a new argument,
6572 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6573 Return one of the new *_sections in such cases.
6574 (get_block_for_decl): New function, extracting some logic from
6575 use_blocks_for_decl_p.
6576 (change_symbol_section): Remove in favor of...
6577 (change_symbol_block): ...this new function.
6578 (use_blocks_for_decl_p): Remove checks now performed by
6579 get_block_for_decl.
6580 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6581 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6582 (emit_local, emit_bss, emit_common): ...these new functions.
6583 Return true if the alignment was honored.
6584 (emit_tls_common): New function.
6585 (asm_emit_uninitialised): Delete.
6586 (assemble_variable_noswitch): New function, split out from...
6587 (assemble_variable): ...here. Don't make decisions about common
6588 variables here. Globalize all public decls that go into non-common
6589 sections. Check whether SYMBOL_REF_BLOCK is null.
6590 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6591 (output_constant_pool): Likewise.
6592 (init_varasm_once): Initialize the new section variables.
6593 (have_global_bss_p): New function.
6594 (categorize_decl_for_section): Use bss_initializer_p.
6595 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6596 (place_block_symbol): Assert that the symbol must be in a block.
6597 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6598 (TARGET_INITIALIZER): Include it.
6599 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6600 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6601 (SECTION_MACH_DEP): Bump by two.
6602 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6603 (unnamed_section): Mention SECTION_UNNAMED in comment.
6604 (named_section): Likewise SECTION_NAMED.
6605 (noswitch_section_callback): New type.
6606 (noswitch_section): New structure.
6607 (section): Add a noswitch_section alternative.
6608 (SECTION_STYLE): New macro.
6609 (tls_comm_section, comm_section, lcomm_section): Declare.
6610 (bss_noswitch_section, have_global_bss_p): Declare.
6611 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6612 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6613 Override.
6614 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6615 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6616 Override.
6618 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6620 * tree-vrp.c (execute_vrp): Return value.
6621 * regrename.c (rest_of_handle_regrename): Ditto.
6622 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6623 * tree-complex.c (tree_lower_complex): Ditto.
6624 (tree_lower_complex_O0): Ditto.
6625 * tracer.c (rest_of_handle_tracer): Ditto.
6626 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6627 * postreload.c (rest_of_handle_postreload): Ditto.
6628 * tree-tailcall.c (execute_tail_recursion): Ditto.
6629 (execute_tail_calls): Ditto.
6630 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6631 * tree.h (init_function_for_compilation): Ditto.
6632 * ipa-cp.c (ipcp_driver): Ditto.
6633 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6634 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6635 * final.c (compute_alignments): Ditto.
6636 (rest_of_handle_final): Ditto.
6637 (rest_of_handle_shorten_branches): Ditto.
6638 (rest_of_clean_state): Ditto.
6639 * omp-low.c (execute_expand_omp): Ditto.
6640 (execute_lower_omp): Ditto.
6641 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6642 * ipa-reference.c (static_execute): Ditto.
6643 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6644 * reorg.c (rest_of_handle_delay_slots): Ditto.
6645 (rest_of_handle_machine_reorg): Ditto.
6646 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6647 * flow.c (recompute_reg_usage): Ditto.
6648 (rest_of_handle_remove_death_notes): Ditto.
6649 (rest_of_handle_life): Ditto.
6650 (rest_of_handle_flow2): Ditto.
6651 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6652 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6653 (do_ssa_store_ccp): Ditto.
6654 (execute_fold_all_builtins): Ditto.
6655 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6656 * modulo-sched.c (rest_of_handle_sms): Ditto.
6657 * ipa-pure-const.c (static_execute): Ditto.
6658 * cse.c (rest_of_handle_cse): Ditto.
6659 (rest_of_handle_cse2): Ditto.
6660 * web.c (rest_of_handle_web): Ditto.
6661 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6662 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6663 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6664 * tree-nrv.c (tree_nrv): Ditto.
6665 (execute_return_slot_opt): Ditto.
6666 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6667 (create_structure_vars): Ditto.
6668 * loop-init.c (rtl_loop_init): Ditto.
6669 (rtl_loop_done): Ditto.
6670 (rtl_move_loop_invariants): Ditto.
6671 (rtl_unswitch): Ditto.
6672 (rtl_unroll_and_peel_loops): Ditto.
6673 (rtl_doloop): Ditto.
6674 * gimple-low.c (lower_function_body): Ditto.
6675 (mark_used_blocks): Ditto.
6676 * tree-ssa-sink.c (execute_sink_code): Ditto.
6677 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6678 (cgraph_early_inlining): Ditto.
6679 * global.c (rest_of_handle_global_alloc): Ditto.
6680 * jump.c (cleanup_barriers): Ditto.
6681 (purge_line_number_notes): Ditto.
6682 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6683 (rest_of_handle_if_after_reload): Ditto.
6684 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6685 (tree_ssa_loop_im): Ditto.
6686 (tree_ssa_loop_unswitch): Ditto.
6687 (tree_vectorize): Ditto.
6688 (tree_linear_transform): Ditto.
6689 (tree_ssa_loop_ivcanon): Ditto.
6690 (tree_ssa_empty_loop): Ditto.
6691 (tree_ssa_loop_bounds): Ditto.
6692 (tree_complete_unroll): Ditto.
6693 (tree_ssa_loop_prefetch): Ditto.
6694 (tree_ssa_loop_ivopts): Ditto.
6695 (tree_ssa_loop_done): Ditto.
6696 * predict.c (tree_estimate_probability): Ditto.
6697 * recog.c (split_all_insns_noflow): Ditto.
6698 (rest_of_handle_peephole2): Ditto.
6699 (rest_of_handle_split_all_insns): Ditto.
6700 * tree-eh.c (lower_eh_constructs): Ditto.
6701 * regmove.c (rest_of_handle_regmove): Ditto.
6702 (rest_of_handle_stack_adjustments): Ditto.
6703 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6704 * function.c (instantiate_virtual_regs): Ditto.
6705 (init_function_for_compilation): Ditto.
6706 (rest_of_handle_check_leaf_regs): Ditto.
6707 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6708 (rest_of_handle_gcse): Ditto.
6709 * ipa-type-escape.c (type_escape_execute): Ditto.
6710 * alias.c (rest_of_handle_cfg): Ditto.
6711 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6712 * profile.c (rest_of_handle_branch_prob): Ditto.
6713 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6714 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6715 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6716 * tree-dfa.c (find_referenced_vars): Ditto.
6717 * except.c (set_nothrow_function_flags): Ditto.
6718 (convert_to_eh_region_ranges): Ditto.
6719 (rest_of_handle_eh): Ditto.
6720 * emit-rtl.c (unshare_all_rtl): Ditto.
6721 (remove_unnecessary_notes): Ditto.
6722 * except.h (set_nothrow_function_flags): Ditto.
6723 (convert_to_eh_region_ranges): Ditto.
6724 * cfgexpand.c (tree_expand_cfg): Ditto.
6725 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6726 * tree-ssa-pre.c (do_pre): Ditto.
6727 (execute_fre): Ditto.
6728 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6729 (rest_of_handle_jump2): Ditto.
6730 * tree-sra.c (tree_sra): Ditto.
6731 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6732 (execute_mudflap_function_decls): Ditto.
6733 * tree-ssa-copy.c (do_copy_prop): Ditto.
6734 (do_store_copy_prop): Ditto.
6735 * ipa-prop.h (ipcp_driver): Ditto.
6736 * cfglayout.c (insn_locators_initialize): Ditto.
6737 * tree-ssa-forwprop.c
6738 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6739 * cfglayout.h (insn_locators_initialize): Ditto.
6740 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6741 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6742 (execute_late_warn_uninitialized): Ditto.
6743 * rtl.h (cleanup_barriers): Ditto.
6744 (split_all_insns_noflow): Ditto.
6745 (purge_line_number_notes): Ditto.
6746 (unshare_all_rtl): Ditto.
6747 (remove_unnecessary_notes): Ditto.
6748 (recompute_reg_usage): Ditto.
6749 (variable_tracking_main): Ditto.
6750 * integrate.c (emit_initial_value_sets): Ditto.
6751 * integrate.h (emit_initial_value_sets): Ditto.
6752 * tree-optimize.c (execute_free_datastructures): Ditto
6753 (execute_free_cfg_annotations): Ditto.
6754 (execute_fixup_cfg): Ditto.
6755 (execute_cleanup_cfg_pre_ipa): Ditto.
6756 (execute_cleanup_cfg_post_optimizing): Ditto.
6757 (execute_init_datastructures): Ditto.
6758 * tree-object-size.c (compute_object_sizes): Ditto.
6759 * combine.c (rest_of_handle_combine): Ditto.
6760 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6761 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6762 (rest_of_handle_reorder_blocks): Ditto.
6763 (rest_of_handle_partition_blocks): Ditto.
6764 * var-tracking.c (variable_tracking_main): Ditto.
6765 * tree-profile.c (tree_profiling): Ditto.
6766 * tree-vect-generic.c (expand_vector_operations): Ditto.
6767 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6768 * sched-rgn.c (rest_of_handle_sched): Ditto.
6769 (rest_of_handle_sched2): Ditto.
6770 * basic-block.h (free_bb_insn): Ditto.
6771 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6772 * tree-cfg.c (execute_build_cfg): Ditto.
6773 (remove_useless_stmts): Ditto.
6774 (split_critical_edges): Ditto.
6775 (execute_warn_function_return): Ditto.
6776 (execute_warn_function_noreturn): Ditto.
6777 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6778 * cfgrtl.c (free_bb_for_insn): Ditto.
6779 * passes.c (execute_one_pass): Run additional
6780 todos returned by execute function.
6781 * tree-pass.h (struct tree_opt_pass): Make execute
6782 return a value.
6784 2006-03-02 Richard Guenther <rguenther@suse.de>
6786 * tree-ssa-alias.c (find_used_portions): Consider taking
6787 the address as making the variable not write-only.
6789 2006-03-02 Nick Clifton <nickc@redhat.com>
6791 * config.gcc (default_use_cxa_atexit): Extend the description of
6792 this configure variable. Set its default value to "yes" for
6793 Linux, NetBSD and ELF targets on the assumption that they will
6794 use C libraries with the __cxa_atexit function.
6796 2006-03-02 Ben Elliston <bje@au.ibm.com>
6798 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6799 parameter as unused to suppress a build warning.
6801 2006-03-02 Ben Elliston <bje@au.ibm.com>
6803 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6804 config/dfp-bit.c.
6806 2006-03-01 Roger Sayle <roger@eyesopen.com>
6808 PR other/26489
6809 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6810 declared name, the weak reference name, and the typeof name.
6811 (__gthrw): Avoid expanding the declared name suffix.
6812 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6814 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6816 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6817 from DWARF 3.
6818 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6819 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6820 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6821 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6822 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6823 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6824 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6825 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6826 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6827 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6828 (DW_END_default, DW_END_big, DW_END_little): New.
6829 (DW_END_lo_user, DW_END_hi_user): Define.
6830 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6831 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6832 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6833 DW_LANG_D): New.
6835 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6837 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6838 Update all users.
6839 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6840 Update all users.
6841 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6842 Update all users.
6843 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6844 Update all users.
6845 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6846 to 'symbol_mem_tag'.
6847 Update all users.
6848 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6849 rename.
6851 2006-03-01 Roger Sayle <roger@eyesopen.com>
6853 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6855 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6857 PR target/25761
6858 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6859 MACHO_DYNAMIC_NO_PIC_P.
6860 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6862 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6864 PR target/26389
6865 * config/darwin-protos.h (darwin_asm_output_anchor):
6866 Declare.
6867 * config/darwin-sections.def (cstring_section):
6868 Add SECTION_MERGE to the flags.
6869 (literal4_section): Likewise.
6870 (literal8_section): Likewise.
6871 (objc_selector_refs_section): Likewise.
6872 (objc_cls_refs_section): Likewise.
6873 * config/darwin.c (darwin_asm_output_anchor): New
6874 function.
6875 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6877 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6879 Fix PR tree-optimization/26443
6880 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6881 to todo and PROP_tmt_usage to properties_destroyed.
6882 * tree-ssa-ccp.c (pass_ccp): Ditto.
6883 (pass_store_ccp): Ditto.
6884 * tree-ssa-dom.c (pass_dominator): Ditto.
6886 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6888 * tree-ssa-operands.c: Cleanup whitespace.
6889 (get_asm_expr_operands): Move before first invocation.
6890 (get_indirect_ref_operands): Likewise.
6891 (get_tmr_operands): Likewise.
6892 (get_call_expr_operands): Likewise.
6893 (append_def): Likewise.
6894 (append_use): Likewise.
6895 (append_v_may_def): Likewise.
6896 (append_v_must_def): Likewise.
6897 (add_call_clobber_ops): Likewise.
6898 (add_call_read_ops): Likewise.
6899 (add_stmt_operand): Likewise.
6900 (add_virtual_operand): Likewise.
6901 (build_ssa_operands): Likewise.
6903 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6905 PR middle-end/26022
6906 Revert:
6907 PR middle-end/24437
6908 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6909 with a call expr to ...
6910 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6912 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6914 * tree-vrp.c (extract_range_from_assert): Remove special
6915 handling for types with super-types.
6917 2006-03-01 Ben Elliston <bje@au.ibm.com>
6919 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6920 and powerpc64-*-linux* configurations.
6921 * config/t-dfprules: New file.
6923 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6924 Compile dfp-bit.c from the source directory using -DWIDTH and
6925 $DFP_CFLAGS to control the compilation of that file, rather than
6926 generating width-specific versions in the build directory.
6927 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6928 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6930 2006-02-28 Zack Weinberg <zackw@panix.com>
6932 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6933 continues to work.
6935 2006-02-28 Eric Christopher <echristo@apple.com>
6937 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6938 Set up IN_LIBGCC definition of TARGET_64BIT.
6939 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6941 2006-02-28 Roger Sayle <roger@eyesopen.com>
6943 PR middle-end/14752
6944 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6945 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6946 cases via the construction of "expr != 0".
6948 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6950 * alias.c (alias_invariant, alias_invariant_size): Remove.
6951 (record_base_value): Remove.
6952 (memrefs_conflict_p): Don't look at alias_invariant.
6953 (end_alias_analysis): Don't free it.
6954 * alias.h (record_base_value): Remove prototype.
6956 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6957 Adam Nemet <anemet@caviumnetworks.com>
6959 * rtl.h (truncated_to_mode): Declare it.
6960 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6961 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6962 (RTL_HOOKS_INITIALIZER): Include it.
6963 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6964 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6965 reg_truncated_to_mode.
6966 * rtlanal.c (truncated_to_mode): Define it.
6967 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6969 2006-02-28 Jeff Law <law@redhat.com>
6971 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6972 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6973 the range allowed by TYPE_PRECISION.
6975 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6977 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6979 PR tree-optimization/26419
6980 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6981 values of n.
6983 2006-02-27 Zack Weinberg <zackw@panix.com>
6985 * doc/md.texi: Fix typo in previous change.
6987 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6989 * df.c: Remove.
6991 2006-02-27 Zack Weinberg <zackw@panix.com>
6993 * rtl.def (define_constraint, define_register_constraint)
6994 (define_memory_constraint, define_address_constraint): New MD forms.
6995 * gensupport.c (process_rtx): Put define_constraint etc on the
6996 predicate queue.
6997 * genpreds.c (process_define_predicate): Adjust comment. Validate
6998 the name, and call validate_exp to validate the expression.
6999 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7000 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7001 all callers changed.
7002 (validate_exp, needs_variable, struct constraint_data)
7003 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7004 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7005 (const_dbl_constraints, constraint_max_namelen)
7006 (have_register_constraints, have_memory_constraints)
7007 (have_address_constraints, have_address_constraints)
7008 (have_extra_constraints, have_const_int_constraints)
7009 (have_const_dbl_constraints, mangle, add_constraint)
7010 (process_define_constraint, process_define_register_constraint)
7011 (write_enum_constraint_num, write_lookup_constraint)
7012 (write_insn_constraint_len, write_regclass_for_constraint)
7013 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7014 (write_insn_extra_memory_constraint)
7015 (write_insn_extra_address_constraint)
7016 (write_satisfies_constraint_fns): New.
7017 (write_tm_preds_h): If we have new-style constraint definitions,
7018 prototype the functions generated from them, and define the
7019 old constraint interface (still used by generic code) in terms of
7020 those functions.
7021 (write_insn_preds_c): If we have new-style constraint definitions,
7022 generate all relevant functions from those definitions.
7023 (main): Handle define_constraint etc.
7024 * genoutput.c (struct constraint_data, indep_constraints)
7025 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7026 (mdep_constraint_len): New data structures and functions, defined
7027 #ifdef USE_MD_CONSTRAINTS.
7028 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7029 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7030 use new logic to validate operand constraints against constraint
7031 definitions.
7032 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7033 defined.
7034 * defaults.h: If none of the old-style constraint macros are
7035 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7036 old-style macros; and poison REG_CLASS_FROM_LETTER,
7037 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7038 EXTRA_CONSTRAINT.
7039 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7040 * doc/md.texi: Document new constraint-definition mechanism and the
7041 C interface it provides. Remove references to old mechanism
7042 elsewhere in the document.
7043 (Machine Constraints): Use pathnames relative to gcc directory,
7044 i.e. config/ARCH/FILE. Change i386 section to refer to
7045 config/i386/predicates.md; update that section to match docstrings.
7046 * doc/tm.texi: Move all documentation of the old constraint-
7047 definition macros to their own section, clearly mark as obsolete.
7049 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7050 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7051 definitions.
7052 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7053 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7054 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7055 constraint strings.
7056 (splits and peepholes): Use satisfies_constraint_*.
7057 * config/i386/i386.c (memory_address_length)
7058 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7060 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7062 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7063 scalar operation to be put back into the loop.
7065 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7067 PR other/26208
7068 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7069 (extract_cie_info): Handle S flag in augmentation string.
7070 (execute_cfa_program): If context->signal_frame, execute also
7071 fs->pc == context->ra instructions.
7072 (uw_frame_state_for): If context->signal_frame, don't subtract one
7073 from context->ra to find FDE.
7074 (uw_update_context_1): Set context->signal_frame to
7075 fs->signal_frame.
7076 (_Unwind_GetIPInfo): New function.
7077 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7078 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7079 of _Unwind_GetIP.
7080 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7081 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7082 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7083 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7084 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7085 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7086 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7087 x86_64_fallback_frame_state): Set fs->signal_frame.
7088 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7089 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7090 (frob_update_context): Likewise. Workaround missing S flag in
7091 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7092 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7093 Remove the psw_addr + 1 hack.
7095 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7097 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7098 with aggregates here.
7099 (find_func_aliases): Remove code for &<aggregate> from here.
7101 2006-02-26 Roger Sayle <roger@eyesopen.com>
7103 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7104 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7105 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7106 as (X & C) ne/eq 0.
7108 2006-02-26 Roger Sayle <roger@eyesopen.com>
7110 PR middle-end/19983
7111 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7113 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7115 * opts.c (decode_options): Do not handle flag_strength_reduce.
7116 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7117 and OPT_fstrength_reduce.
7118 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7119 flag_prefetch_loop_arrays for being nonzero.
7120 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7121 no-ops.
7122 (fprefetch-loop-arrays-rtl): Removed.
7123 (flag_prefetch_loop_arrays): Do not specify the value.
7125 * doc/passes.texi: Update documentation of loop optimizer
7126 passes.
7127 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7128 -frerun-loop-opt): Remove.
7130 2006-02-26 Richard Guenther <rguenther@suse.de>
7132 PR tree-optimization/26421
7133 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7134 in function calls that are ADDR_EXPRs as using the whole structure.
7136 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7138 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7139 * tree-pass.h (pass_loop_optimize): Remove.
7140 * passes.c (pass_loop_optimize): Never run it.
7141 * toplev.c (backend_init): Don't call init_loop.
7142 * opts.c (flag_loop_optimize_set): Remove.
7143 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7144 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7145 the old RTL loop optimizer when profiling enabled.
7146 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7147 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7148 pre-headers for the sake of the old RTL loop optimizer.
7149 * Makefile.in: Remove all references to loop.o.
7151 * doc/invoke.texi: Remove all references to -floop-optimize
7152 and -frerun-loop-opt.
7154 2006-02-26 Zack Weinberg <zackw@panix.com>
7156 * doc/md.texi (Machine Constraints): Refer to all files with paths
7157 relative to gcc directory (i.e. config/CPU/file). Add missing
7158 @table @code ... @end table to M32C subsection.
7160 2006-02-26 Roger Sayle <roger@eyesopen.com>
7162 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7163 (X & 1) == 0.
7164 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7166 2006-02-26 Roger Sayle <roger@eyesopen.com>
7167 James A. Morrison <phython@gcc.gnu.org>
7169 PR middle-end/21137
7170 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7171 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7172 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7173 signedness of the shift operation.
7175 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7177 PR tree-optimization/26359
7178 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7180 2006-02-25 Roger Sayle <roger@eyesopen.com>
7182 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7183 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7184 as X == 0, and some symmetry related transformations.
7185 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7187 2006-02-25 Roger Sayle <roger@eyesopen.com>
7189 PR middle-end/23673
7190 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7191 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7192 symmetry related transformations. Fold (X^C1) == C2 as
7193 X == (C1^C2).
7195 2006-02-25 Juergen Weigert <jw@suse.de>
7196 Richard Guenther <rguenther@suse.de>
7198 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7200 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7202 * combine.c (gen_lowpart_or_truncate): Call
7203 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7205 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7207 * doc/invoke.texi: Move -fopenmp description to "Options for
7208 Code Generation".
7209 Remove reference to -lgomp.
7211 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7213 * doc/install.texi: Require GNU tar version 1.14.
7215 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7217 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7218 * doc/invoke.texi (C++ Dialect Options): Document
7219 -fno-use-cxa-get-exception-ptr.
7220 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7221 * configure: Regenerate.
7222 * c.opt (fuse-cxa-get-exception-ptr): New.
7223 * c-opts.c (c_common_handle_option): Handle
7224 OPT_fuse_cxa_get_exception_ptr.
7225 * c-common.c (flag_use_cxa_atexit): Update documentation.
7226 (flag_use_cxa_get_exception_ptr): New.
7227 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7228 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7229 documentation.
7230 (C_COMMON_OVERRIDE_OPTIONS): New.
7232 2006-02-24 Roger Sayle <roger@eyesopen.com>
7234 PR middle-end/24952
7235 * combine.c (try_combine): Explicitly check whether GET_CODE is
7236 a SET or a CLOBBER, instead on checking that it isn't a USE.
7238 2006-02-24 Roger Sayle <roger@eyesopen.com>
7240 * fold-const.c (fold_comparison): New subroutine of fold_binary
7241 containing transformations common to both the equality and
7242 ordering relational operators, factored out of fold_binary.
7243 (fold_binary): Separate out the equality operators (EQ_EXPR
7244 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7245 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7246 transformations common to both.
7247 (fold_div_compare): Fix latent bugs in the previously unreachable
7248 LT_EXPR and GE_EXPR cases.
7250 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7252 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7253 decl libname for clog to __clog on AIX.
7255 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7257 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7259 PR target/26453
7260 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7261 output traceback table for thunks. Localise rs6000_stack_info call.
7263 2006-02-23 Roger Sayle <roger@eyesopen.com>
7264 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7266 * gthr-posix.h (__gthrw): Fix typo in comment.
7268 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7270 * doc/cpp.texi (Character sets): Document that we do support
7271 input files to be in any character set.
7273 2006-02-23 Jeff Law <law@redhat.com>
7275 * tree.h (PHI_ARG_NONZERO): Remove.
7276 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7277 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7278 node to the new node.
7280 PR tree-optimization/26425
7281 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7282 min/max, then assume its varying.
7284 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7286 PR rtl-optimization/26316
7287 * rtlanal.c (enum may_trap_p_flags): New.
7288 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7289 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7290 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7291 (may_trap_after_code_motion_p): New function.
7292 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7293 (find_invariant_insn): Use may_trap_after_code_motion_p.
7294 * rtl.h (may_trap_after_code_motion_p): Declare.
7296 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7298 * emit-rtl.c (immed_double_const): Cleanup.
7300 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7302 Fix PR tree-optimization/26376
7303 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7304 remove assert.
7306 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7308 PR middle-end/26412
7309 * gimplify.c (omp_add_variable): Guard variable size decl test with
7310 DECL_SIZE (decl) check.
7312 2006-02-23 Richard Guenther <rguenther@suse.de>
7314 PR middle-end/26439
7315 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7316 like aggregate types.
7318 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7320 * configure.ac: Add --with{,out}-long-double-128 configure option.
7321 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7322 * configure: Rebuilt.
7323 * config.in: Rebuilt.
7324 * doc/install.texi (Options specification): Document
7325 --with-long-double-128.
7327 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7328 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7329 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7330 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7332 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7334 * config/s390/s390.c (override_options): Handle
7335 TARGET_DEFAULT_LONG_DOUBLE_128.
7337 * config/alpha/alpha.c (override_options): Handle
7338 TARGET_DEFAULT_LONG_DOUBLE_128.
7340 * config/sparc/sparc.c (sparc_override_options): Handle
7341 TARGET_DEFAULT_LONG_DOUBLE_128.
7343 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7345 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7346 (real-install-headers-tar, real-install-headers-cpio)
7347 (real-install-headers-cp): New targets.
7349 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7351 * tree.h (variable_section): Delete.
7352 * varasm.c (variable_section): Delete.
7354 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7356 * install.texi: Add notes on install.texi2html.
7357 (Building in parallel): Do not use footnotes.
7359 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7361 PR libgomp/26234
7362 * doc/install.texi (Configuration): Document --disable-libgomp.
7364 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7366 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7368 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7370 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7371 (vec_extractv2df_0_sse): New.
7373 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7375 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7376 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7377 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7378 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7379 to the result of the expression.
7380 (def_cfa_1): Adjust.
7381 (frame_pointer_cfa_offset): Rename to...
7382 (frame_pointer_fb_offset): ... this. Adjust all uses.
7383 (convert_cfa_to_loc_list): Rename to...
7384 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7385 Pass it on to build_cfa_loc.
7386 (compute_frame_pointer_to_cfa_displacement): Rename to...
7387 (compute_frame_pointer_to_fb_displacement): ... this. New
7388 offset parameter. Use it in computation.
7389 (gen_subprogram_die): Compute cfa_fb_offset with the new
7390 macro, and use it to compute the fb loc list and the
7391 displacement.
7393 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7395 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7396 replaced with register_operand.
7397 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7398 non-DREG is expensive.
7399 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7400 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7401 involving memory.
7403 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7405 * doc/install.texi2html: Use set -e.
7407 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7409 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7410 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7411 * doc/invoke.texi (-fshared-data): Delete.
7412 * common.opt (fshared-data): Delete.
7413 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7414 (assemble_static_space): Remove #if 0 code.
7415 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7416 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7417 * config/cris/cris.h: Remove FIXME.
7419 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7421 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7422 hooks.
7424 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7426 PR middle-end/26379
7427 * combine.c (simplify_shift_const_1): Disable nested shifts
7428 optimization for vector shifts.
7430 2006-02-20 Roger Sayle <roger@eyesopen.com>
7432 PR tree-optimization/26361
7433 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7434 of unsigned integer types.
7436 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7438 * tree-chrec.c (eq_evolutions_p): New.
7439 * tree-chrec.h (eq_evolutions_p): Declared.
7440 * tree-data-ref.c: Fix formatting.
7441 (datadep_stats, dependence_stats): New.
7442 (gcd): Moved...
7443 (print_direction_vector): New.
7444 (dump_data_dependence_relation): Use print_direction_vector.
7445 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7446 (compute_subscript_distance): Static.
7447 (initialize_data_dependence_relation): Static. Get the number
7448 of loops surrounding the references from the callers, and initialize
7449 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7450 base_object_differ_p analyzers.
7451 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7452 compute_overlap_steps_for_affine_1_2,
7453 analyze_subscript_affine_affine): Count the classified dependences.
7454 Print a message when a test failed.
7455 (can_use_analyze_subscript_affine_affine): New.
7456 (analyze_siv_subscript): Compute the data dependences on symbolic
7457 scevs that verify can_use_analyze_subscript_affine_affine.
7458 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7459 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7460 Handle symbolic scevs.
7461 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7462 analyzed.
7463 (subscript_dependence_tester): Moved...
7464 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7465 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7466 DDR_SIZE_VECT instead of getting it in parameter.
7467 (subscript_dependence_tester): ... here. Take as a parameter
7468 loop_nest_depth. Call build_classic_dist_vector and
7469 build_classic_dir_vector.
7470 (compute_affine_dependence): Update subscript_dependence_tester
7471 parameters. Update datadep_stats counters. Call
7472 compute_subscript_distance.
7473 (compute_self_dependence): Save the dist and dir vectors. Call
7474 compute_subscript_distance.
7475 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7476 (compute_all_dependences): Reorder parameters as they were before
7477 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7478 compute_subscript_distance. Update the use of
7479 compute_affine_dependence and initialize_data_dependence_relation.
7480 (find_data_references_in_loop): Handle COMPONENT_REF.
7481 (compute_data_dependences_for_loop): Initialize dependence_stats.
7482 Don't call build_classic_dist_vector and build_classic_dir_vector.
7483 Update the parameters of initialize_data_dependence_relation and
7484 compute_all_dependences. Print the statistics from datadep_stats.
7485 (analyze_all_data_dependences): Static. Not used until the pass for
7486 checking the data dependences is contributed.
7487 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7488 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7489 (initialize_data_dependence_relation, compute_affine_dependence,
7490 analyze_all_data_dependences, compute_subscript_distance): Removed.
7491 (print_direction_vector): New.
7492 * lambda.h (gcd): ... here.
7493 (lambda_vector_gcd): Moved here from gcd_vector.
7494 * lambda-code.c (gcd, gcd_vector): Removed.
7495 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7496 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7498 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7500 * ipa-type-escape.c: Tidy some comments and white space.
7501 * tree-ssa-operands.c: Likewise.
7503 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7505 PR tree-opt/25879
7506 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7507 (dump_decl_name): Do not walk the decl tree chains.
7508 * tree-pass.h (TDF_CHAIN): Remove.
7510 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7512 * Makefile.in (C): Remove
7513 (PROTO): Remove
7514 (.PHONY): Remove C and PROTO
7516 2006-02-20 Roger Sayle <roger@eyesopen.com>
7518 PR middle-end/26236
7519 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7520 deprecated CHAR_TYPE tree code.
7522 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7524 * configure.ac (target_list): Add install-info, dvi, html.
7525 * configure: Regenerate.
7527 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7528 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7529 treelang/Make-lang.in: Do not use double-colon rules.
7531 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7533 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7534 (TMT_USED_ALONE): New macro.
7535 * tree-pass.h (PROP_tmt_usage): New property.
7536 (TODO_update_tmt_usage): New todo.
7537 * tree-ssa-alias.c (updating_used_alone): New variable.
7538 (recalculate_used_alone): New function.
7539 (compute_may_aliases): Set updating_used_alone, call
7540 recalculate_used_alone.
7541 * tree-sra.c (pass_sra): Note that this pass destroys
7542 PROP_tmt_usage, and add TODO_update_tmt_usage.
7543 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7544 * tree-flow.h (updating_used_alone): Prototype.
7545 (recalculate_used_alone): Ditto.
7546 * passes.c (execute_todo): Add code to set updating_used_alone,
7547 and call recalculate.
7548 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7549 for clobber if used alone, and add assert to verify used_alone
7550 status.
7552 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7554 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7555 for non tls symbols added.
7556 (legitimize_address): Do nothing for PLUS expressions if one of the
7557 addends is a tls symbol reference.
7559 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7561 PR bootstrap/25476
7563 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7565 * Makefile.in (BOOTSTRAPPING): New.
7566 (quickstrap): New definition if BOOTSTRAPPING=yes.
7568 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7569 * configure.ac: Substitute all_selected_languages with the languages
7570 that were configured. For all the other variables except
7571 lang_specs_files, include all the languages in the tree.
7572 * configure: Regenerate.
7574 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7575 if there is one. Run the commands to run fixincludes in the same
7576 subshell.
7578 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7579 * doc/install.texi: Document exact conventions for searching target tools.
7580 Document --with-build-time-tools. Document toplevel bootstrap. Document
7581 something more about building an Ada cross-compiler. Don't list GNU Make
7582 requirements which affect all platforms.
7584 2006-02-19 Roger Sayle <roger@eyesopen.com>
7586 PR middle-end/19543
7587 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7588 only equivalent if the have both the same mode and precision.
7590 2006-02-20 Ben Elliston <bje@au.ibm.com>
7592 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7594 2006-02-19 Roger Sayle <roger@eyesopen.com>
7595 Steven Bosscher <stevenb.gcc@gmail.com>
7597 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7598 constant pool references to identify stack mode constants.
7599 * rtlanal.c (constant_pool_constant_p): New predicate to check
7600 whether operand is a floating point constant in the pool.
7601 * rtl.h (constant_pool_constant_p): Prototype here.
7602 * loop.c (scan_loop): Avoid hoisting constants from the constant
7603 pool on STACK_REGS targets.
7604 (load_mems): Likewise.
7605 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7606 loads into x87 registers expensive in terms of register pressure.
7608 2006-02-19 Roger Sayle <roger@eyesopen.com>
7610 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7611 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7613 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7615 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7616 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7618 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7620 * doc/invoke.texi: Document -fipa-pta.
7621 * common.opt: Add ipa-pta option.
7622 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7623 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7624 (do_ds_constraint): Ditto.
7625 (get_constraint_for): Only add to referenced_vars if
7626 referenced_vars exists.
7627 (insert_into_field_list): Rewrite to do this unsorted.
7628 (insert_into_field_list_sorted): Rename old insert_into_field_list
7629 to this.
7630 (create_function_info_for): Use insert_into_field_list_sorted.
7631 (create_variable_info_for): Rewrite so it uses unsorted version,
7632 since the field list is sorted.
7633 (intra_create_variable_infos): Only add to referenced_vars if
7634 referenced_vars exists.
7635 (ipa_pta_execute): Init heapvars, and delete when done.
7636 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7638 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7640 * doc/install.texi: Add missing `@samp'.
7642 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7644 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7645 Use the arguments.
7647 2006-02-18 Mark Wielaard <mark@klomp.org>
7649 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7650 who added new 4.1 features, bug fixes and integration support.
7652 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7654 PR target/26350
7655 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7656 MEM for ABI_V4 pic.
7658 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7660 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7661 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7662 (copy_insn_1): Likewise. Don't copy each field individually.
7663 Reindent.
7664 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7665 of RTX_SIZE.
7666 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7667 * rtl.c (rtx_size): Rename variable to...
7668 (rtx_code_size): ...this.
7669 (rtx_size): New function.
7670 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7671 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7672 Reindent.
7673 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7674 * rtl.h (rtx_code_size): New variable.
7675 (rtx_size): Change from a variable to a function.
7676 (RTX_SIZE): Rename to...
7677 (RTX_CODE_SIZE): ...this.
7679 PR target/9703
7680 PR tree-optimization/17106
7681 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7682 (Anchored Addresses): New section.
7683 * doc/invoke.texi (-fsection-anchors): Document.
7684 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7685 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7686 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7687 * hooks.c (hook_bool_mode_rtx_false): New function.
7688 * hooks.h (hook_bool_mode_rtx_false): Declare.
7689 * gengtype.c (create_optional_field): New function.
7690 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7691 SYMBOL_REF_IN_BLOCK_P is true.
7692 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7693 (min_anchor_offset, max_anchor_offset): Likewise.
7694 (use_anchors_for_symbol_p): New hook.
7695 * toplev.c (compile_file): Call output_object_blocks.
7696 (target_supports_section_anchors_p): New function.
7697 (process_options): Check that -fsection-anchors is only used on
7698 targets that support it and when -funit-at-a-time is in effect.
7699 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7700 if the decl doesn't have one.
7701 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7702 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7703 of force_const_mem through use_anchored_address.
7704 (expand_expr_constant): New function.
7705 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7706 calling expand_expr for INDIRECT_REF.
7707 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7708 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7709 * expr.h (use_anchored_address): Declare.
7710 * loop-unroll.c: Don't declare rtx vectors here.
7711 * explow.c: Include output.h.
7712 (validize_mem): Call use_anchored_address.
7713 (use_anchored_address): New function.
7714 * common.opt (-fsection-anchors): New switch.
7715 * varasm.c (object_block_htab, anchor_labelno): New variables.
7716 (hash_section, object_block_entry_eq, object_block_entry_hash)
7717 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7718 (use_blocks_for_decl_p, change_symbol_section): New functions.
7719 (get_variable_section): New function, split out from assemble_variable.
7720 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7721 use_blocks_for_decl_p say so. Use change_symbol_section if the
7722 symbol has already been created.
7723 (assemble_variable_contents): New function, split out from...
7724 (assemble_variable): ...here. Don't output any code for
7725 block symbols; just pass them to place_block_symbol.
7726 Use get_variable_section and assemble_variable_contents.
7727 (get_constant_alignment, get_constant_section, get_constant_size): New
7728 functions, split from output_constant_def_contents.
7729 (build_constant_desc): Create a block symbol if use_object_blocks_p
7730 says so. Or into SYMBOL_REF_FLAGS.
7731 (assemble_constant_contents): New function, split from...
7732 (output_constant_def_contents): ...here. Don't output any code
7733 for block symbols; just pass them to place_section_symbol.
7734 Use get_constant_section and get_constant_alignment.
7735 (force_const_mem): Create a block symbol if use_object_blocks_p and
7736 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7737 (output_constant_pool_1): Add an explicit alignment argument.
7738 Don't switch sections here.
7739 (output_constant_pool): Adjust call to output_constant_pool_1.
7740 Switch sections here instead. Don't output anything for block symbols;
7741 just pass them to place_block_symbol.
7742 (init_varasm_once): Initialize object_block_htab.
7743 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7744 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7745 (place_block_symbol, get_section_anchor, output_object_block)
7746 (output_object_block_htab, output_object_blocks): New functions.
7747 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7748 (TARGET_ASM_OUT): Include it.
7749 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7750 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7751 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7752 (TARGET_INITIALIZER): Include them.
7753 * rtl.c (rtl_check_failed_block_symbol): New function.
7754 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7755 (block_symbol, object_block): New structures.
7756 (rtx_def): Add a block_symbol field to the union.
7757 (BLOCK_SYMBOL_CHECK): New macro.
7758 (rtl_check_failed_block_symbol): Declare.
7759 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7760 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7761 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7762 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7763 * output.h (output_section_symbols): Declare.
7764 (object_block): Name structure.
7765 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7766 (default_use_anchors_for_symbol_p): Declare.
7767 * Makefile.in (RTL_BASE_H): Add vec.h.
7768 (explow.o): Depend on output.h.
7769 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7770 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7771 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7772 (rs6000_use_blocks_for_constant_p): New function.
7774 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7776 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7778 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7780 PR tree-opt/25680
7781 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7782 IMAGPART_EXPR.
7784 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7786 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7787 is_aliased.
7788 Update all users.
7790 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7792 PR middle-end/26334
7793 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7794 instead of DECL_REGISTER.
7796 2006-02-18 Olivier Hainque <hainque@adacore.com>
7798 PR ada/13408
7799 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7801 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7803 PR target/24837
7804 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7805 * opth-gen.awk: Handle Var and InverseMask together.
7806 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7807 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7808 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7809 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7810 used together.
7811 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7812 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7813 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7814 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7815 LINUX_DYNAMIC_LINKER): Define.
7816 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7817 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7818 TARGET_GLIBC.
7819 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7820 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7821 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7823 (TARGET_C99_FUNCTIONS): Don't define.
7824 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7825 GLIBC_DYNAMIC_LINKER.
7826 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7827 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7828 GLIBC_DYNAMIC_LINKER64): Define.
7829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7830 LINUX_DYNAMIC_LINKER64.
7831 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7833 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7835 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7837 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7838 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7839 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7840 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7841 and LINUX_DYNAMIC_LINKER32.
7842 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7844 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7846 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7847 TARGET_GLIBC.
7848 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7849 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7850 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7851 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7852 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7853 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7854 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7855 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7856 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7857 LINUX_DYNAMIC_LINKER): Define.
7858 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7859 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7860 GLIBC_DYNAMIC_LINKER64): Define.
7861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7862 LINUX_DYNAMIC_LINKER64.
7863 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7864 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7865 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7866 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7867 LINUX_DYNAMIC_LINKER): Define.
7868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7869 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7870 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7871 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7872 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7873 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7874 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7875 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7876 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7877 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7879 * doc/invoke.texi (-muclibc): Remove caveat about supported
7880 targets.
7882 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7884 * doc/cpp.texi (__TIMESTAMP__): Document.
7886 2006-02-17 Roger Sayle <roger@eyesopen.com>
7888 PR middle-end/25600
7889 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7890 C is one less than the width of X (and related transformations).
7891 * simplify-rtx.c (simplify_unary_operation_1): Transform
7892 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7893 depending on STORE_FLAG_VALUE, were C is one less then the
7894 width of X.
7896 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7898 Fix PR tree-optimization/26341
7899 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7900 about NAME_MEMORY_TAG's.
7902 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7904 PR target/26255
7905 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7906 with hardware float support, and software float support. Add fcpy
7907 alternative to hardware patterns. Add alternatives to copy between
7908 general and floating-point registers to the 32-bit pattern.
7909 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7910 secondary reload to load a QI or HI mode constant into a floating
7911 point register.
7912 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7913 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7915 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7917 PR target/26272
7918 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7919 pc to the pattern.
7920 (load_macho_picbase_di): Likewise.
7922 2006-02-16 Jeff Law <law@redhat.com>
7924 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7925 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7926 (ssa_name_nonzero_p): Likewise.
7927 (get_value_range): Return NULL if VRP is not running.
7928 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7929 VRP routines do not discover a range.
7930 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7931 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7932 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7933 (tree_expr_nonnegative_p): Similarly.
7934 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7935 (restore_nonzero_vars_to_original_value): Remove.
7936 (unsafe_associative_fp_binop): Remove.
7937 (tree_ssa_dominator_optimize): Remove initialization and
7938 finalization of nonzero_vars and nonzero_vars_stack.
7939 (dom_opt_initialize_block): No longer push marker on
7940 nonzero_vars_stack.
7941 (dom_opt_finalize_block): No longer call
7942 restore_nonzero_vars_to_original_value.
7943 (record_equivalences_from_phis): No longer look for
7944 nonzero PHI arguments.
7945 (cprop_into_successor_phis): No longer propagate nonzero
7946 property into PHI arguments. Lose unused argument. Caller
7947 updated.
7948 (record_equivalences_from_stmt): No longer record nonzero
7949 values for SSA_NAMEs.
7950 (lookup_avail_expr): No longer use nonzero_vars.
7952 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7953 for sizetype when sizetype is unsigned.
7955 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7957 PR rtl-optimization/25603
7958 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7959 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7960 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7961 with new meaning of SETS.
7963 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7965 PR target/20353
7966 PR target/24578
7967 PR target/24837
7968 * config/linux.opt: New file.
7969 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7970 LINUX_DYNAMIC_LINKER): Define.
7971 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7972 * config.gcc (*-*-linux*): Define extra_options.
7973 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7974 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7975 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7976 GLIBC_DYNAMIC_LINKER.
7977 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7978 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7979 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7981 * doc/invoke.texi (GNU/Linux Options): New section.
7983 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7985 * config/sparc/sparc.md (setjmp): Rewrite.
7986 (setjmp_32): Delete.
7987 (setjmp_64): Likewise.
7989 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7991 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7992 previous change.
7994 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7996 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7997 read-write uses.
7999 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8001 PR rtl-optimization/26296
8002 * Makefile.in (loop-invariant.c): Add except.h dependency.
8003 * loop-invariant.c: Include except.h.
8004 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8006 2005-02-16 Paul Brook <paul@codesourcery.com>
8008 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8009 for reloads.
8011 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8013 PR rtl-optimization/25636
8014 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8015 when deciding whether an insn is an initializing insn.
8017 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8019 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8020 (tree_code_size): Ditto.
8021 * tree.h (struct tree_memory_tag): Remove parent_var.
8022 (struct tree_struct_field_tag): New.
8023 (SFT_OFFSET): New.
8024 (SFT_SIZE): New.
8025 (union tree_node): Add sft member.
8026 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8027 specially here.
8028 (create_sft): Add size and offset argument, set SFT_OFFSET and
8029 SFT_SIZE.
8030 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8031 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8032 * tree-flow-inline.h (get_subvar_at): Update for
8033 SFT_OFFSET/SFT_SIZE.
8034 (var_can_have_subvars): Ditto.
8035 (overlap_subvar): Ditto.
8036 * print-tree.c (print_node): Print out interesting things for
8037 SFT's.
8038 * tree-flow.h (struct subvar): Remove offset and size members.
8039 * tree-ssa-operands.c (get_expr_operands): Update for
8040 get_indirect_ref_operands changes.
8041 (get_indirect_ref_operands): Call add_virtual_operand instead of
8042 add_stmt_operand. Only recurse on base var if requested.
8043 (access_can_touch_variable): New function.
8044 (add_stmt_operand): Split virtual operand handling into ...
8045 (add_virtual_operand): Here. Add offset, size, and for_clobber
8046 arguments. Prune alias sets.
8047 (add_call_clobber_ops): Call add_virtual_operand.
8049 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8051 PR middle-end/26300
8052 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8054 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8055 than TREE_CODE as index into omp_clause_num_ops array.
8057 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8059 PR rtl-optimization/26184
8060 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8061 uses_of_defs.
8062 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8063 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8064 must_precede, must_follow and tobe_scheduled.
8066 PR other/26147
8067 * opts.c (common_handle_option): Free new_option pointer.
8068 * df-core.c (df_analyze): Free postorder pointer.
8070 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8072 * Makefile.in: Fix the examples about the use of stamps
8074 2006-02-15 Michael Matz <matz@suse.de>
8076 PR middle-end/22275
8078 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8079 influenced by maximum_field_alignment or DECL_PACKED.
8080 (update_alignment_for_field): Ditto.
8081 (place_field): Ditto.
8082 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8083 this behaviour.
8085 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8087 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8088 (debug_flow_info): Pass it.
8089 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8090 * bb-reorder.c (reorder_basic_blocks): Likewise.
8091 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8092 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8093 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8094 * gcse.c (gcse_main, bypass_jumps): Likewise.
8095 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8096 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8097 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8098 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8099 * rtl.h (dump_flow_info): Adjust prototype.
8100 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8101 * var-tracking.c (variable_tracking_main): Likewise.
8102 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8103 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8104 options.
8106 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8108 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8109 construction.
8111 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8113 PR tree-optimization/26209
8114 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8115 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8116 eh edges.
8117 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8119 2006-02-14 Roger Sayle <roger@eyesopen.com>
8121 PR middle-end/23670
8122 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8123 (X,Y) and the corresponding symmetry related transformations.
8124 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8125 (X,Y) and its symmetry related transformations.
8127 2006-02-14 Roger Sayle <roger@eyesopen.com>
8129 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8130 and GEU.
8132 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8134 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8136 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8138 PR bootstrap/26053
8139 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8140 support COMDAT group.
8141 * configure: Regenerate.
8143 2006-02-14 Roger Sayle <roger@eyesopen.com>
8145 PR middle-end/26279
8146 PR middle-end/26280
8147 PR middle-end/26283
8148 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8150 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8152 Fix PR tree-optimization/26260
8154 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8155 param.
8156 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8157 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8158 * tree-ssa-structalias.c (create_variable_info_for): Use
8159 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8161 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8163 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8164 Document.
8165 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8166 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8167 of the ending condition.
8168 * tree-ssa-loop-manip.c: Include params.h.
8169 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8170 tree_unroll_loop): New functions.
8171 * tree-pass.h (pass_loop_prefetch): Declare.
8172 * loop.c (rest_of_handle_loop_optimize): Test for
8173 -fprefetch-loop-arrays-rtl.
8174 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8175 * timevar.def (TV_TREE_PREFETCH): New timevar.
8176 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8177 pass_loop_prefetch): New.
8178 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8179 (cleanup_tree_cfg_loop): Call scev_reset.
8180 * common.opt (fprefetch-loop-arrays-rtl): Add.
8181 * tree-ssa-loop-prefetch.c: New file.
8182 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8183 (new_temp_expr_table): Initialize expr_vars.
8184 (free_temp_expr_table): Cleanup expr_vars.
8185 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8186 expressions from being merged into one.
8187 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8188 (struct tree_niter_desc): Add control, bound and cmp fields.
8189 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8190 Declare.
8191 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8192 (tree-cfgcleanup.o): Add SCEV_H dependency.
8193 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8194 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8196 2006-02-14 Richard Guenther <rguenther@suse.de>
8198 PR tree-optimization/26258
8199 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8200 in PHI argument processing.
8202 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8204 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8205 new expression in the requested machine mode.
8207 2006-02-13 Roger Sayle <roger@eyesopen.com>
8209 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8210 directly, instead let do_compare_rtx_and_jump handle this for us.
8211 * expr.c (expand_expr_real_1): Likewise.
8212 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8213 before do_jump_by_parts_greater.
8214 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8215 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8217 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8219 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8221 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8223 PR rtl-optimization/26235
8224 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8225 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8226 format.
8228 2006-02-13 Jeff Law <law@redhat.com>
8230 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8231 TRUTH_XOR_EPR.
8233 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8235 PR middle-end/26092
8236 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8237 twice if decl is a builtin. When trying again, call get_callee_fndecl
8238 first to verify it is still a builtin.
8240 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8242 * dwarf2out.c (base_type_die): Don't add AT_name here.
8243 (subrange_type_die): Don't add AT_name here.
8244 (modified_type_die): Rearrange code flow. Do add AT_name here.
8246 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8248 PR rtl-optimization/26247
8249 PR rtl-optimization/26248
8250 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8252 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8254 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8255 * config/fixtfdi.c: Likewise.
8256 * config/fixunstfdi.c: Likewise.
8257 * config/floatditf.c: Likewise.
8259 2006-02-13 Roger Sayle <roger@eyesopen.com>
8261 PR middle-end/24427
8262 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8263 into (X,C2) if C1 is a subset of the bits of C2. Transform
8264 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8265 (X&(C1&~C2))|C2.
8266 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8268 2006-02-13 Josh Conner <jconner@apple.com>
8270 PR target/25376
8271 * varasm.c (function_section): Check for section name before
8272 calling select_section on targets that define
8273 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8274 unlikely_text_section instead of hot_function_section if
8275 first_function_block_is_cold.
8277 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8279 PR middle-end/25335
8280 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8282 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8284 PR rtl-optimization/26222
8285 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8286 after tree->rtl expansion.
8287 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8288 before passing it to emit_move_insn.
8290 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8292 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8293 default.
8294 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8295 Clarify documentation.
8296 * c-common.h (warn_write_strings): Remove.
8297 * c-common.c (warn_write_strings): Likewise.
8298 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8299 default for C++.
8301 2006-02-12 Roger Sayle <roger@eyesopen.com>
8303 PR middle-end/25724
8304 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8305 (do_jump_parts_zero_rtx): New function renamed from
8306 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8307 (do_jump_parts_equality_rtx): New function split out from
8308 do_jump_parts_equality. Old implementation renamed as above.
8309 Call do_jump_parts_zero_rtx if either operand is zero.
8310 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8311 do all of the heavy lifting.
8312 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8313 calling either do_jump_by_parts_greater_rtx or
8314 do_jump_by_parts_equality_rtx.
8315 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8316 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8317 moved to do_compare_rtx_and_jump, call it directly.
8318 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8319 mode argument. Call do_compare_rtx_and_jump.
8320 (emit_case_nodes): Update calls to do_jump_if_equal.
8322 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8324 PR rtl-optimization/26225
8325 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8327 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8329 PR rtl-optimization/26232
8330 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8332 2006-02-11 Jason Merrill <jason@redhat.com>
8334 PR tree-opt/24365
8335 * tree-inline.c (declare_return_variable): Just don't use the
8336 modify target if it's a gimple complex reg and the return slot
8337 isn't.
8339 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8341 * doc/contrib.texi: Update my entry.
8343 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8345 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8347 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8349 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8350 expensive.
8352 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8354 * doc/invoke.texi (-floop-optimize2): Removed.
8355 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8356 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8357 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8358 * common.opt (floop-optimize2): Removed.
8359 (fmove-loop-invariants): Enabled by default.
8361 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8363 * tree-if-conv.c (combine_blocks): Free the result of
8364 get_loop_exit_edges.
8366 2006-02-10 Jeff Law <law@redhat.com>
8368 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8370 PR tree-optimization/26213
8371 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8372 loop trying to follow SSA_NAME_VALUE chains.
8374 2006-02-10 Richard Guenther <rguenther@suse.de>
8376 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8377 deal with structures that end in implicitly variable sized arrays.
8379 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8381 PR rtl-optimization/24762
8382 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8383 eh edges.
8385 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8387 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8388 (struct ivopts_data): Add regs_used field.
8389 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8390 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8391 instead of loop_data->regs_used;
8392 (free_loop_data): Do not free aux fields for loops.
8393 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8394 and tree_ssa_iv_optimize_finalize.
8396 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8398 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8400 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8402 PR target/26141
8403 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8404 computing the effective result type.
8406 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8408 PR inline-asm/16194
8409 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8410 (tree_overlaps_hard_reg_set): Declare.
8411 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8412 type and signature to match function type expected by walk_tree.
8413 (tree_overlaps_hard_reg_set): New function.
8414 (decl_conflicts_with_clobbers_p): Rename to:
8415 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8416 Use tree_overlaps_hard_reg_set. Changed caller.
8417 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8418 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8419 * cris.c (cris_md_asm_clobbers): Likewise.
8421 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8423 * reload1.c (emit_input_reload_insns): Delete code that tries to
8424 inherit using find_equiv_reg.
8426 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8428 * c-common.h (flag_const_strings): Don't declare.
8429 * c-common.c (flag_const_strings): Remove.
8430 * c.opt (fconst_strings): Remove.
8431 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8432 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8433 (c_common_init_options): Don't set flag_const_strings.
8434 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8436 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8438 * arm.md (tlobits_cbranch): New pattern.
8439 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8440 testing a single bit.
8442 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8444 PR tree-opt/26179
8445 * tree-ssa-pre.c (create_component_ref_by_pieces):
8446 Handle RETURN_DECL like VAR_DECL.
8448 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8450 PR middle-end/26134
8451 * fold-const.c (fold_indirect_ref_1): Fold
8452 "*(foo *)&complexfoo" to "__real__ complexfoo"
8453 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8457 * tree-flow-inline.h (var_can_have_subvars):
8458 Volatile variables should not have subvariables.
8460 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8462 PR 26180
8463 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8464 multiplying unsigned values.
8465 Tidy comments.
8467 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8469 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8471 2006-02-08 Jason Merrill <jason@redhat.com>
8473 PR c++/25979
8474 * tree.def: Elaborate on difference from MODIFY_EXPR.
8475 * doc/c-tree.texi (INIT_EXPR): Likewise.
8476 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8477 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8478 (gimplify_target_expr): Likewise.
8479 (gimplify_cond_expr): Remove target handling.
8480 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8481 (gimplify_expr): Clobber it here.
8482 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8483 Do return slot optimization if we have an INIT_EXPR.
8485 PR tree-opt/24365
8486 * tree-inline.c (declare_return_variable): Also clear
8487 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8489 PR c++/16405
8490 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8492 PR middle-end/22439
8493 * gimplify.c (gimplify_one_sizepos): Fix typo.
8495 2006-02-08 Jeff Law <law@redhat.com>
8497 PR tree-optimization/21417
8498 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8499 across a backedge if the control statement at the end of the
8500 block is data dependent on other statements in the same block.
8501 (record_temporary_equivalences_from_stmts): Remove over-conservative
8502 test for threading across backedges.
8504 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8505 control statement, handle all three special cases in the same
8506 manner as they all have the same desired solution. No longer
8507 special case edge flag updating when the post dominator is
8508 the exit block.
8510 2006-02-08 Roger Sayle <roger@eyesopen.com>
8512 * tree.def (CHAR_TYPE): Remove.
8513 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8514 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8515 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8516 (gen_string_type_die): Delete unreachable function.
8518 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8519 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8520 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8521 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8522 * builtins.c (type_to_class): Likewise.
8523 * fold-const.c (fold_convert, build_range_check,
8524 merge_ranges): Likewise.
8525 * expr.c (count_type_elements): Likewise.
8526 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8527 * stor-layout.c (layout_type): Likewise.
8528 * ipa-type-escape.c (type_to_consider): Likewise.
8529 * gimplify.c (omp_firstprivatize_type_sizes,
8530 gimplify_type_sizes): Likewise.
8531 * explow.c (promote_mode): Likewise.
8532 * tree-sra.c (is_sra_scalar_type): Likewise.
8533 * varasm.c (output_constant): Likewise.
8534 * tree-inline.c (remap_type_1): Likewise.
8535 * convert.c (convert_to_pointer, convert_to_real,
8536 convert_to_integer, convert_to_complex): Likewise.
8538 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8540 * df-scan.c (df_def_record_1): A set destination may
8541 be a parallel regardless of mode.
8543 2006-02-08 Roger Sayle <roger@eyesopen.com>
8545 PR target/22209
8546 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8547 * config/mips/_tilib.c: Remove.
8548 * config/fixtfdi.c: New libgcc source file.
8549 * config/fixunstfdi.c: New source file.
8550 * config/floatditf.c: New source file.
8551 * config/floatunditf.c: New souce file.
8552 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8553 files above instead of config/mips/_tilib.c.
8554 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8556 2006-02-08 Jeff Law <law@redhat.com>
8558 PR tree-optimization/26169
8559 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8560 threading jumps.
8562 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8564 * df.h (DF_REG_SIZE): Return the length of the initialized
8565 part of the array.
8567 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8569 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8570 __muldf3): Return a correctly signed zero.
8572 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8574 * passes.c (register_one_dump_file): Accept the current properties
8575 instead of pass number. Adjust call to dump_register. Remove
8576 duplicated code.
8577 (register_dump_files): Now a wrapper around...
8578 (register_dump_files_1): ... this one. Do not modify the pass
8579 structure.
8580 (next_pass_1): Cosmetic fix.
8581 (execute_todo): Keep second parameter only. Use curr_properties
8582 instead of fetching it from the pass structure. Check and set
8583 last_verified.
8584 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8585 instead of fetching it from the pass structure. Fix calls to
8586 execute_todo. Update curr_properties and initialize .vcg RTL dump
8587 after running the pass. Reset last_verified.
8588 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8589 at the beginning.
8590 (FIRST_AUTO_NUMBERED_DUMP): New.
8591 (dump_register): Remove "num" parameter, assign it within the
8592 function.
8593 (get_dump_file_name): Modify template for dumps.
8594 * tree-dump.h (dump_register): Adjust prototype.
8595 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8596 (PROP_trees): Add PROP_gimple_lomp.
8597 (TODO_set_props): New.
8598 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8599 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8600 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8602 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8604 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8605 (sparc64-*-linux*): Likewise.
8606 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8607 * config/sparc/t-linux: New file.
8608 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8609 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8610 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8611 -m32 -mlong-double-128.
8613 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8614 * config/alpha/t-linux: New file.
8615 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8617 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8618 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8619 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8620 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8621 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8622 (CPP_ARCH32_SPEC): Remove.
8624 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8626 PR tree-optimization/26145
8627 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8628 bbs pointer.
8630 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8632 PR target/26109
8633 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8634 >= 240000 when generating code for SOM runtime.
8635 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8636 to $$dyncall when generating code for SOM runtime..
8638 2006-02-07 Dirk Mueller <dmueller@suse.com>
8640 PR c++/18150
8641 * doc/invoke.texi (-Wsequence-point): Update documentation
8642 that -Wsequence-point is implemented for C++ as well.
8644 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8646 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8647 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8648 (LIB_SPEC): Likewise.
8649 * doc/invoke.texi (SPARC options): Document -pthread.
8651 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8653 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8654 PIC addresses.
8656 2006-02-07 Roger Sayle <roger@eyesopen.com>
8658 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8659 Correct comment describing BOOLEAN_TYPE.
8661 2006-02-07 Dirk Mueller <dmueller@suse.com>
8663 * c.opt: C++ frontend supports -Wdiv-by-zero.
8664 * c-opts.c (c_common_handle_option): Remove dead case.
8666 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8668 * configure.ac (TLS assembler check): Do not enable TLS by
8669 default on SPARC/Solaris before version 10.
8670 * configure: Regenerate.
8672 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8674 * doc/invoke.texi (xl-compat): Document conversion and support
8675 routine names.
8677 2006-02-07 Jeff Law <law@redhat.com>
8679 * tree-vrp.c (find_conditional_asserts): Update comments.
8680 (simplify_stmt_for_jump_threading): New.
8681 (identify_jump_threads, finalize_jump_threads): New.
8682 (vrp_finalize): Call identify_jump_threads.
8683 (execute_vrp): Call finalize_jump_threads.
8684 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8685 (vrp_element, vrp_data, vrp_element_p): Remove.
8686 (vrp_hash_elt, vrp_variables_stack): Remove.
8687 (vrp_hash, vrp_eq, record_range): Remove.
8688 (simplify_cond_and_lookup_avail_expr): Remove.
8689 (extract_range_from_cond): Remove.
8690 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8691 (simplify_stmt_for_jump_threading): New.
8692 (dom_thread_across_edge): New wrapper.
8693 (tree_ssa_dominator_optimize): No longer initialize or
8694 finalize any of the VRP datastructures. Remove iteration
8695 step and simplify as a result of removal of iteration step.
8696 (pass_dominator): Perform a cfg cleanup after DOM.
8697 (dom_opt_finalize_block): Use the new common routines
8698 for threading jumps. Simplify stack management slightly.
8699 No longer need to unwind VRP state.
8700 (record_equivalences_from_incoming_edge): No longer record
8701 VRP information.
8702 (eliminate_redundant_computations): No longer call
8703 simplify_cond_and_lookup_avail_expr.
8704 * tree-flow.h (potentially_threadable_block): Prototype.
8705 (thread_across_edge): Likewise.
8706 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8707 (tree-ssa-threadedge.o): Add dependencies.
8708 * tree-ssa-threadedge.c: New file.
8709 * passes.c (init_optimization_passes): Merge PHIs before
8710 calling VRP. Run VRP again late in the SSA optimization pipeline.
8712 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8714 * df-core.c (df_set_blocks): Do not dereference function pointers.
8715 (df_finish1): Likewise.
8716 (df_hybrid_search_forward): Likewise.
8717 (df_hybrid_search_backward): Likewise.
8718 (df_iterative_dataflow): Likewise.
8719 (df_analyze_problem): Likewise.
8720 (df_compact_blocks): Likewise.
8721 (df_dump): Likewise.
8722 * df-scan.c (df_rescan_blocks): Likewise.
8723 (df_record_entry_block_defs): Likewise.
8725 * genconditions.c (write_conditions): Guard the definition of
8726 'insn_conditions' with the check on GCC version.
8727 (write_writer): Guard the traversal 'insn_conditions' with
8728 the check on GCC version.
8730 2006-02-07 Richard Guenther <rguenther@suse.de>
8732 PR c++/26140
8733 Revert
8734 2006-01-30 Richard Guenther <rguenther@suse.de>
8735 PR c++/23372
8736 * gimplify.c (gimplify_target_expr): Handle easy cases
8737 without creating a temporary.
8739 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8741 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8742 use of float in probability computations. Use edge probabilities
8743 in place of statically computed probabilities.
8744 (min_spec_prob): New static variable.
8745 (schedule_insns): Initialize it.
8746 (GET_SRC_PROB): Removed.
8747 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8749 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8751 PR debug/24444
8752 * config/ia64/unwind-ia64.c: Revert last change.
8753 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8754 (INCOMING_FRAME_SP_OFFSET): Define.
8756 2006-02-06 Roger Sayle <roger@eyesopen.com>
8758 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8760 2006-02-07 Ben Elliston <bje@au.ibm.com>
8762 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8763 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8764 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8765 (ix86_return_in_memory): Handle TDmode.
8766 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8767 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8769 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8771 * reorg.c (dbr_schedule): Use dump_file instead of file.
8773 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8775 PR target/25917
8776 * config/ia64/predicates.md (extr_len_operand): New predicate.
8777 * config/ia64/ia64.md (extv): Tighten constraints.
8778 (extzv): Ditto.
8779 (*tbit_and_2): Ditto.
8780 (*tbit_and_3): Ditto.
8781 (*tbit_or_2): Ditto.
8782 (*tbit_or_3): Ditto.
8783 (*bit_zero): Ditto.
8784 (*bit_one): Ditto.
8786 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8788 PR target/23359
8789 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8791 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8793 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8794 loop_optimizer_init and loop_optimizer_finalize
8795 * tree-ssa-sink.c (execute_sink_code): Ditto.
8796 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8797 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8798 tree_ssa_loop_done): Ditto.
8799 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8800 * sched-ebb.c: Include output.h.
8801 (schedule_ebbs): Do not use dump argument.
8802 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8803 * loop.c (loop_dump_stream): Removed.
8804 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8805 argument.
8806 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8807 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8808 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8809 loop_iterations, strength_reduce, record_biv, record_giv,
8810 final_giv_value, check_final_value, check_ext_dependent_givs,
8811 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8812 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8813 dump_file instead of loop_dump_stream.
8814 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8815 argument dump_file.
8816 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8817 dump argument.
8818 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8819 * haifa-sched.c: Include output.h
8820 (schedule_insns, sched_init): Do not use dump argument.
8821 * mode-switching.c (optimize_mode_switching): Ditto.
8822 * modulo-sched.c (stats_file): Removed.
8823 (print_node_sched_params): Do not call argument dump_file.
8824 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8825 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8826 of stats_file.
8827 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8828 use dump argument.
8829 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8830 rtl_loop_init, rtl_loop_done): Ditto.
8831 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8832 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8833 Ditto.
8834 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8835 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8836 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8837 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8838 * emit-rtl.c (renumber_insns): Ditto.
8839 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8840 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8841 * regclass.c (regclass): Ditto.
8842 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8843 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8844 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8845 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8846 Ditto.
8847 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8848 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8849 to regclass.
8850 * gcse.c (gcse_file, debug_stderr): Removed.
8851 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8852 rest_of_handle_gcse): Do not use dump argument.
8853 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8854 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8855 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8856 compute_code_hoist_vbeinout, compute_code_hoist_data,
8857 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8858 compute_store_table, build_store_vectors, insert_insn_start_bb,
8859 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8860 store_motion): Use dump_file instead of gcse_file.
8861 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8862 * profile.c (profile_dump_file): Removed.
8863 (branch_prob): Use dump_file instead of profile_dump_file.
8864 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8865 dump_file.
8866 * tree-ssa-copy.c (dump_copy_of): Ditto.
8867 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8868 dump file to life_analysis.
8869 * bt-load.c (branch_target_load_optimize): Ditto.
8870 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8871 renumber_insns.
8872 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8873 regclass, dbr_schedule): Declaration changed.
8874 * sched-int.h (sched_init): Declaration changed.
8875 * tree-profile.c (tree_profile_dump_file): Removed.
8876 (tree_profile_hooks): Removed profile_dump_file hook.
8877 * rtl-profile (rtl_profile_dump_file): Removed.
8878 (rtl_profile_hooks): emoved profile_dump_file hook.
8879 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8880 changed.
8881 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8882 * tree-cfg.c (build_tree_cfg): Ditto.
8883 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8884 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8885 Declaration changed.
8886 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8887 life_analysis and schedule_insns.
8888 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8889 life_analysis.
8890 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8891 dbr_schedule.
8892 * config/mips/mips.c (mips_reorg): Ditto.
8893 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8894 schedule_ebbs.
8896 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8898 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8899 (s390_mangle_fundamental_type): New.
8900 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8901 Define.
8903 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8904 (alpha_mangle_fundamental_type): New.
8905 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8906 Define.
8908 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8909 Define.
8910 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8911 Define.
8912 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8913 (sparc_mangle_fundamental_type): New.
8915 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8917 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8918 (s390x-*-linux*): Likewise.
8919 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8920 * config/s390/t-linux: New file.
8922 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8924 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8925 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8927 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8929 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8930 (ANTIC_SAFE_LOADS): New macro.
8931 (find_or_generate_expression): Add prototype.
8932 (set_contains_value): Allow null set for sake of not always having
8933 to allocate ANTIC_SAFE_LOADS.
8934 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8935 Allow COMPONENT_REF too.
8936 (valid_in_set): Allow COMPONENT_REF.
8937 Check ANTIC_SAFE_LOADS too.
8938 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8939 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8940 rename.
8941 (can_PRE_operation): Add COMPONENT_REF.
8942 (create_component_ref_by_pieces): New function.
8943 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8944 (insert_aux): Move AGGREGATE_TYPE_P check here.
8945 (compute_avail): Set bb local stmt uids.
8946 (pass_pre): Use TODO_update_ssa_only_virtuals.
8948 2006-02-06 Ben Elliston <bje@au.ibm.com>
8950 * configure.ac: Unconditionally disable decimal float by default.
8951 * configure: Regenerate.
8953 2006-02-06 Ben Elliston <bje@au.ibm.com>
8955 * read-rtl.c (read_name): Terminate reading on EOF.
8957 2006-02-06 Ben Elliston <bje@au.ibm.com>
8959 * dfp.c (decimal_real_arithmetic): Change second argument type
8960 from int to enum tree_code. Do not always return true, but now
8961 return result of any call to decimal_do helper functions.
8962 * dfp.h (decimal_real_arithmetic): Update prototype.
8964 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8966 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8968 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8970 PR tree-opt/25251
8971 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8972 forced labels.
8974 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8976 * tree-vrp.c (cfg_loops): Removed.
8977 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8978 Use current_loops instead of cfg_loops. Pass flags to
8979 loop_optimizer_init.
8980 * cfgloopmanip.c (fix_loop_structure): Update only available
8981 information.
8982 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8983 loop_optimizer_init.
8984 * modulo-sched.c (build_loops_structure): Removed.
8985 (sms_schedule): Use loop_optimizer_init.
8986 * loop-init.c (loop_optimizer_init): Use flags to determine
8987 which properties of loops to prepare.
8988 (rtl_loop_init): Pass flags to loop_optimizer_init.
8989 * tree-ssa-sink.c (execute_sink_code): Ditto.
8990 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8991 * tree-ssa-pre.c (init_pre): Ditto.
8992 * cfgloop.h (LOOPS_NORMAL): New.
8993 (loop_optimizer_init): Declaration changed.
8995 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8997 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8998 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8999 pa/t-pa.
9000 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9001 pa/t-pa.
9002 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9003 pa/x-ada.
9004 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9005 * pa/t-pa64: Delete quadlib.c rule.
9006 * pa/x-ada: Revert last change.
9007 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9009 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9011 PR rtl-optimization/26087
9012 * rtlanal.c (canonicalize_condition): Do not cross basic block
9013 boundaries.
9015 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9017 PR debug/24444
9018 * config/ia64/ia64.c: Include debug.h.
9019 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9020 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9021 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9022 (process_epilogue, process_set, process_for_unwind_directive):
9023 Output unwind info only if requested. Add CFA info if requested.
9024 Add new arguments as needed. Adjust callers.
9025 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9026 incorrect default.
9027 (DWARF2_FRAME_INFO): Define to zero.
9028 * config/ia64/unwind-ia64.c: Remove code that compensated for
9029 the CFA offset error fixed above.
9030 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9031 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9032 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9033 -funwind-tables and -fexceptions to enable frame info.
9034 (dwarf2out_frame_init): Define initial CFA even if
9035 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9036 DWARF2_UNWIND_INFO is nonzero, not just defined.
9037 (dwarf2out_frame_finish): Output non-EH call frame info only
9038 if DWARF2_FRAME_INFO is nonzero.
9039 (convert_cfa_to_loc_list,
9040 compute_frame_pointer_to_cfa_displacement): Define even if
9041 unwind info is not supported.
9042 (gen_subprogram_die): Use the above unconditionally. Remove
9043 legacy alternate code.
9044 * toplev.c (compile_file): Compile in call to
9045 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9046 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9048 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9049 Jakub Jelinek <jakub@redhat.com>
9051 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9052 IBM extended float format long double as "g" on powerpc*-linux.
9054 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9056 PR target/25926
9057 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9058 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9060 2006-02-03 Jason Merrill <jason@redhat.com>
9062 PR c++/25979
9063 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9065 PR middle-end/25977
9066 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9067 on the return slot if it's an NRV.
9069 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9071 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9072 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9073 rewrite_use): Do not handle USE_OUTER.
9074 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9075 add_iv_outer_candidates, may_replace_final_value,
9076 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9077 (find_interesting_uses_op): Functionality of
9078 find_interesting_uses_outer_or_nonlin moved here.
9079 (find_interesting_uses_outside): Use find_interesting_uses_op.
9081 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9083 PR target/25960
9084 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9086 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9087 Ulrich Weigand <uweigand@de.ibm.com>
9089 PR target/25864
9090 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9091 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9092 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9093 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9094 and dxr fields.
9095 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9096 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9097 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9098 Define secondary reloads for TFmode moves.
9099 (constant_modes): Add TFmode.
9100 (NR_C_MODES): Set to 8.
9101 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9102 builtin define.
9103 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9104 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9105 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9106 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9107 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9108 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9109 (FPR mode macro): Add TFmode.
9110 (DSF mode macro): New.
9111 (<de>, <dee> mode attributes): Removed.
9112 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9113 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9114 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9115 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9116 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9117 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9118 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9119 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9120 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9121 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9122 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9123 "*negabs<mode>2", "sqrt<mode>2"):
9124 Changed <de> to <xde>. R constraint replaced by <Rf>.
9125 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9126 <Rf>.
9127 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9128 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9129 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9130 splitters.
9131 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9132 "extenddftf2", "extendsftf2"): New expanders.
9133 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9134 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9135 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9136 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9137 New options.
9138 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9139 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9140 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9141 __floatditf): Add a GCC_4.1.0 symbol version tag.
9142 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9143 the new options.
9145 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9147 PR target/25377
9148 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9149 Use targetm.binds_local_p instead of TREE_PUBLIC.
9151 2006-02-02 Roger Sayle <roger@eyesopen.com>
9153 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9154 on INTEGER_TYPEs to indicate that it denotes a character type.
9155 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9156 signed_char_type_node, unsigned_char_type_node and char_type_node.
9157 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9158 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9159 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9161 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9162 Daniel Berlin <dberlin@dberlin.org>
9164 * tree-tailcall.c (arg_needs_copy_p): New function.
9165 (eliminate_tail_call): Use arg_needs_copy_p.
9166 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9167 (add_virtual_phis): New function.
9169 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9171 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9172 #ignore instead of #scratch for %g7 .register directive.
9174 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9176 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9177 object files.
9179 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9181 * flow.c (calculate_global_regs_live): Assert that there aren't any
9182 EDGE_FAKE edges.
9184 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9186 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9187 what its name says.
9188 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9189 bsi_after_labels iterator.
9190 * tree-if-conv.c (find_phi_replacement_condition,
9191 replace_phi_with_cond_modify_expr): Likewise.
9192 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9193 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9195 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9197 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9199 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9201 PR 25990
9202 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9203 array after growing it.
9205 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9207 PR middle-end/24901
9208 * fold-const.c (fold_checksum_tree): Change type of buf.
9210 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9212 * reload.c (push_secondary_reload): Initialize t_icode.
9214 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9216 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9217 -msoft-float -mlong-double-128 only issue a warning, but don't
9218 swich to DFmode long double.
9220 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9222 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9223 has a constant equivalent, iterate over equivalents for arg0,
9224 calling simplify_relational_operation and if there's a result
9225 cheaper than X, apply fold_rtx and return the result.
9227 2006-02-01 Jan Hubicka <jh@suse.cz>
9229 * opts.c (no_unit_at_a_time_default): New global variable.
9230 (decode_options): Use it.
9231 * opts.h (no_unit_at_a_time_default): Declare.
9233 2006-02-01 Paul Brook <paul@codesourcery.com>
9235 * function.c (assign_parm_setup_reg): Use function argument promotion
9236 rules.
9237 * expr.c (expand_expr_real_1): Use function argument promotion rules
9238 for PARM_DECLs.
9240 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9242 * gcc.c (process_command): Change j to 'unsigned int'.
9244 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9246 PR middle-end/26001
9247 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9248 Use the corrected index for the character
9249 out of the string constant.
9251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9253 * mode-switching.c (optimize_mode_switching): Fix size
9254 allocated for bb_info[n_entities].
9256 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9258 * gcc.c (main): Correct type that is allocated for
9259 explicit_link_files.
9261 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9263 * config/s390/s390.c (init_alignment_context): Set
9264 ALIAS_SET_MEMORY_BARRIER on the MEM.
9265 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9267 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9269 PR middle-end/25933
9270 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9271 dom_bbs pointer.
9272 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9273 call to tpa_init.
9275 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9277 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9278 * regrename.c: Ditto.
9279 * tree-ssa-loop-im.c: Ditto.
9280 * tree-dump.c: Ditto.
9281 * tree-complex.c: Ditto.
9282 * genrecog.c: Ditto.
9283 * tree-ssa-threadupdate.c: Ditto.
9284 * tracer.c: Ditto.
9285 * java/class.c: Ditto.
9286 * java/jcf-parse.c: Ditto.
9287 * java/resource.c: Ditto.
9288 * java/except.c: Ditto.
9289 * java/jvspec.c: Ditto.
9290 * java/jcf-write.c: Ditto.
9291 * java/jcf-path.c: Ditto.
9292 * java/gjavah.c: Ditto.
9293 * java/zextract.c: Ditto.
9294 * java/jcf-io.c: Ditto.
9295 * java/jcf.h: Ditto.
9296 * java/buffer.c: Ditto.
9297 * java/lang.c: Ditto.
9298 * java/parse-scan.y: Ditto.
9299 * java/lex.c: Ditto.
9300 * java/lex.h: Ditto.
9301 * cfgloopmanip.c: Ditto.
9302 * postreload-gcse.c: Ditto.
9303 * tree-ssa-loop-manip.c: Ditto.
9304 * postreload.c: Ditto.
9305 * tree-ssa-loop-ch.c: Ditto.
9306 * loop.c: Ditto.
9307 * ipa-cp.c: Ditto.
9308 * cppspec.c: Ditto.
9309 * diagnostic.c: Ditto.
9310 * final.c: Ditto.
9311 * genoutput.c: Ditto.
9312 * gcc.c: Ditto.
9313 * cfghooks.c: Ditto.
9314 * cfgloopanal.c: Ditto.
9315 * objc/objc-act.c: Ditto.
9316 * gcov.c: Ditto.
9317 * genextract.c: Ditto.
9318 * genautomata.c: Ditto.
9319 * pretty-print.c: Ditto.
9320 * genemit.c: Ditto.
9321 * cgraphunit.c: Ditto.
9322 * flow.c: Ditto.
9323 * df-scan.c: Ditto.
9324 * haifa-sched.c: Ditto.
9325 * dominance.c: Ditto.
9326 * dbxout.c: Ditto.
9327 * tree-ssa-loop-ivopts.c: Ditto.
9328 * df-core.c: Ditto.
9329 * mode-switching.c: Ditto.
9330 * modulo-sched.c: Ditto.
9331 * graph.c: Ditto.
9332 * ipa-pure-const.c: Ditto.
9333 * cse.c: Ditto.
9334 * fix-header.c: Ditto.
9335 * web.c: Ditto.
9336 * tree-stdarg.c: Ditto.
9337 * ipa-utils.c: Ditto.
9338 * loop-init.c: Ditto.
9339 * ipa-inline.c: Ditto.
9340 * cfganal.c: Ditto.
9341 * global.c: Ditto.
9342 * alloc-pool.c: Ditto.
9343 * dwarf2out.c: Ditto.
9344 * opts.c: Ditto.
9345 * genattrtab.c: Ditto.
9346 * tree-ssa-loop-ivcanon.c: Ditto.
9347 * predict.c: Ditto.
9348 * timevar.c: Ditto.
9349 * lcm.c: Ditto.
9350 * fortran/gfortranspec.c: Ditto.
9351 * regmove.c: Ditto.
9352 * local-alloc.c: Ditto.
9353 * langhooks.c: Ditto.
9354 * function.c: Ditto.
9355 * tree-vectorizer.c: Ditto.
9356 * gcse.c: Ditto.
9357 * ipa-type-escape.c: Ditto.
9358 * alias.c: Ditto.
9359 * tree-if-conv.c: Ditto.
9360 * profile.c: Ditto.
9361 * ipa.c: Ditto.
9362 * tree-data-ref.c: Ditto.
9363 * loop-unroll.c: Ditto.
9364 * treelang/treetree.c: Ditto.
9365 * calls.c: Ditto.
9366 * bt-load.c: Ditto.
9367 * ggc-common.c: Ditto.
9368 * except.c: Ditto.
9369 * coverage.c: Ditto.
9370 * cselib.c: Ditto.
9371 * tree-cfgcleanup.c: Ditto.
9372 * tree-ssa-pre.c: Ditto.
9373 * cfgcleanup.c: Ditto.
9374 * loop-invariant.c: Ditto.
9375 * loop-iv.c: Ditto.
9376 * ipa-prop.c: Ditto.
9377 * print-tree.c: Ditto.
9378 * conflict.c: Ditto.
9379 * ggc-page.c: Ditto.
9380 * sched-deps.c: Ditto.
9381 * regclass.c: Ditto.
9382 * tree-object-size.c: Ditto.
9383 * combine.c: Ditto.
9384 * bb-reorder.c: Ditto.
9385 * resource.c: Ditto.
9386 * var-tracking.c: Ditto.
9387 * cfgloop.c: Ditto.
9388 * df-problems.c: Ditto.
9389 * reg-stack.c: Ditto.
9390 * tlink.c: Ditto.
9391 * gccspec.c: Ditto.
9392 * sched-rgn.c: Ditto.
9393 * tree-ssa-structalias.c: Ditto.
9394 * tree-ssa-reassoc.c: Ditto.
9395 * config/darwin-c.c: Ditto.
9396 * config/darwin.c: Ditto.
9397 * config/arm/arm.c: Ditto.
9398 * cfgrtl.c: Ditto.
9399 * collect2.c: Ditto.
9400 * reload1.c: Ditto.
9402 2006-01-31 Nicolas Pitre <nico@cam.org>
9404 * arm.md (smaxsi3): Make aware of smax_m1.
9405 (smax_m1): New.
9407 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9409 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9411 2006-01-31 Richard Guenther <rguenther@suse.de>
9413 * doc/invoke.texi (-msselibm): Document.
9414 * target.h (expand_library_builtin): New target hook.
9415 * builtins.c (expand_builtin): Use expand_library_builtin.
9416 (default_expand_library_builtin): New function.
9417 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9418 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9419 (link_gcc_math_spec): Declare.
9420 (static_specs): Add link_gcc_math_spec.
9421 * expr.h (default_expand_library_builtin): Declare.
9422 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9423 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9424 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9425 * config/i386/i386.opt (msselibm): New target option.
9426 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9427 (ix86_init_sse_abi_builtins): New function.
9428 (ix86_expand_library_builtin): Likewise.
9429 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9430 (override_options): Handle error conditions wrt -msselibm.
9431 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9432 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9433 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9434 builtins.
9436 2006-01-31 Richard Guenther <rguenther@suse.de>
9437 Paolo Bonzini <bonzini@gnu.org>
9439 * doc/install.texi (--disable-libgcc-math): Document.
9441 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9443 * expr.h (expand_normal): new inline function.
9444 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9445 * dojump.c: use it.
9446 * dwarf2out.c: use it.
9447 * expr.c: use it.
9448 * calls.c: use it.
9449 * expmed.c: use it.
9450 * except.c: use it.
9451 * config/sparc/sparc.c: use it.
9452 * config/i386/i386.c: use it.
9453 * config/rs6000/rs6000.c: use it.
9454 * config/arm/arm.c: use it.
9455 * config/mips/mips.c: use it.
9456 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9458 2006-01-30 Roger Sayle <roger@eyesopen.com>
9460 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9461 argv to the appropriate type.
9463 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9465 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9466 unreachable code.
9468 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9470 PR target/26018
9471 * config/s390/s390.c (struct machine_function): New flag
9472 decomposed_literal_pool_addresses_ok_p.
9473 (s390_reorg): Set it before final stage of literal pool transforms.
9474 (s390_decompose_address): Only accept displacements of the form
9475 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9477 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9479 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9480 the comparison routine return.
9482 2006-01-30 Michael Matz <matz@suse.de>
9484 * global.c (find_reg): Only evict for global regs.
9485 Take n_refs into account and dump more info.
9487 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9489 PR target/14798:
9490 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9491 (pragma_trap, pragma_nosave_low_regs): Likewise.
9492 (current_function_anonymous_args): Likewise.
9493 (sh_deferred_function_attributes): New variable.
9494 (sh_deferred_function_attributes_tail): Likewise.
9495 (print_operand): For '@', look up trap_exit attribute.
9496 (calc_live_regs): Look up trapa_handler attribute. For trapa
9497 handlers, save/restore fpscr, but don't do any other
9498 interrupt-specific saves.
9499 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9500 Fix check for partially saved registers to check for SHmedia.
9501 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9502 (sh_output_function_epilogue): Don't clear any of the removed
9503 variables.
9504 (sh_insert_attributes): Don't check pragma_interrupt.
9505 Insert deferred attributes. Check that interrupt attribute is
9506 present for other attributes that require its presence.
9507 (sh_attribute_table): Add new attributes trapa_handler and
9508 nosave_low_regs.
9509 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9510 Don't check for pragma_interrupt. Don't store argument.
9511 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9512 (sh_deferred_function_attributes): Declare.
9513 (sh_deferred_function_attributes_tail): Likewise.
9514 * sh.md (sp_switch_1): Add operand. Change generator caller.
9515 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9516 (*return_i): Don't use when trap_exit attribute is in effect.
9517 (*return_trapa): New insn pattern.
9518 * sh-c.c: New file.
9519 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9520 setting c_target_objs and cxx_target_objs.
9521 * t-sh: Add rule for sh-c.o.
9523 2006-01-30 Richard Guenther <rguenther@suse.de>
9525 PR c++/23372
9526 * gimplify.c (gimplify_target_expr): Handle easy cases
9527 without creating a temporary.
9529 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9531 * vec.h (safe_grow): Remove duplicated line.
9533 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9535 PR 25874
9536 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9537 (expand_omp): ... here.
9538 (expand_omp_parallel): Only remove barriers for combined
9539 parallel+workshare constructs.
9541 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9543 Revert
9545 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9546 * tree.c (build_qualified_type): Chain the new type to the original
9547 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9548 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9549 (build_pointer_type_for_mode): Only return unqualified types.
9550 (build_reference_type_for_mode): Likewise.
9552 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9554 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9555 * Makefile.in (CXX_COMPAT_WARN): Define.
9556 * configure: Regenerate.
9558 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9560 PR tree-opt/25911
9561 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9562 to an if check.
9564 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9566 * toplev.c: Fix thinko.
9568 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9569 Marcin Dalecki <martin@dalecki.de>
9571 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9572 (push_srcloc): Use XNEW.
9573 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9575 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9577 * df-core.c (df_set_blocks): Deleted all variable.
9579 2006-01-28 Ian Lance Taylor <ian@airs.com>
9581 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9582 cgraph_output_pending_asms.
9584 2006-01-28 Zack Weinberg <zackw@panix.com>
9586 * c.opt: Add -W(no-)overlength-strings.
9587 * doc/invoke.texi: Document it.
9588 * c-opts.c (c_common_handle_option): -pedantic implies
9589 -Woverlength-strings, if not explicitly disabled already.
9590 (c_common_post_options): -Woverlength-strings defaults to off, and
9591 is always off for C++.
9592 * c-common.c (fix_string_type): Issue warning about strings longer
9593 than is portable only if warn_overlength_strings. Rearrange code
9594 a little for clarity.
9595 * configure.in: Check for -Wno-overlength-strings as well before
9596 enabling -pedantic in stage 1.
9597 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9598 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9600 * genconditions.c (write_header, write_one_condition)
9601 (write_conditions, write_writer): Consolidate very long strings
9602 that were broken up to fit in C89 portable limit. Don't use
9603 printf when fputs will do.
9605 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9607 * combine.c (simplify_comparison <AND>): Check
9608 TRULY_NOOP_TRUNCATION before start using a subreg.
9610 * config/mips/mips.md (*branch_zero<mode>,
9611 *branch_zero<mode>_inverted, *branch_equality<mode>,
9612 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9613 Remove mode check from comparisons.
9615 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9617 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9619 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9621 * expmed.c (const_mult_add_overflow_p): Remove.
9622 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9624 * recog.c (validate_replace_rtx_subexp): Remove.
9625 * recog.h: Remove the prototype for
9626 validate_replace_rtx_subexp.
9628 * integrate.h: Remove the prototype for
9629 copy_decl_for_inlining.
9630 * rtl.h: Remove the prototype for mark_constant_function.
9631 * tree-vectorizer.h: Remove the prototype for
9632 vect_strip_conversion.
9634 * modulo-sched.c (create_partial_schedule,
9635 free_partial_schedule, reset_partial_schedule): Make them
9636 static.
9638 * hooks.c (hook_bool_rtx_int_false): Remove.
9639 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9641 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9643 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9644 and -mlong-double-128 are incompatible.
9645 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9646 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9647 (TARGET_LIBGCC2_CFLAGS): Define.
9648 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9649 (TARGET_LIBGCC2_CFLAGS): Same.
9650 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9652 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9654 PR c/19606.
9655 * c-typeck.c (build_binary_op): Perform implicit casts of
9656 operands before shortening them.
9658 * cfgloopmanip.c (split_loop_bb): Remove.
9659 * cfgloop.h: Remove the prototype for split_loop_bb.
9661 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9662 * cfgloop.h: Remove the prototype for
9663 flow_loop_outside_edge_p.
9665 * emit-rtl.c (init_virtual_regs): Make it static.
9666 * function.h: Remove the prototype for init_virtual_regs.
9668 * recog.c (peephole2_optimize): Make it static.
9669 * recog.h: Remove the prototype for peephole2_optimize.
9671 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9673 * df-scan.c (df_record_entry_block_defs): Check if
9674 INCOMING_RETURN_ADDR_RTX is defined.
9676 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9677 Kenneth Zadeck <zadeck@naturalbridge.com>
9679 PR rtl-optimization/24762
9680 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9681 * targhooks.c (hook_void_bitmap): New hook prototype.
9682 * targhoohs.h (hook_void_bitmap): Ditto.
9683 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9684 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9685 * target.h (live_on_entry): New function pointer.
9686 * df-scan.c (df_all_hard_regs): Removed.
9687 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9688 (df_scan_free_internal): Added df->entry_block_defs.
9689 (df_scan_alloc): Ditto.
9690 (df_scan_dump): Ditto.
9691 (df_uses_record): Plumbed flag field properly thru calls.
9692 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9693 This part fixes PR24762.
9694 (df_bb_refs_record): Added code to make the frame and arg
9695 pointers live in EH blocks.
9696 (df_refs_record): Added call to df_record_entry_block_defs.
9697 (df_record_entry_block_defs): New function.
9698 * df-core.c: Added comments to describe new artifical defs.
9699 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9700 (entry_block_defs): New field in struct df.
9701 (df_all_hard_regs): Deleted.
9702 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9703 * df-problems.c (df_ru_bb_local_compute_process_def):
9704 Added code to handle artifical defs in the entry to a function.
9705 (df_ru_bb_local_compute): Ditto.
9706 (df_rd_bb_local_compute_process_def): Ditto.
9707 (df_rd_bb_local_compute): Ditto.
9708 (df_lr_bb_local_compute): Ditto.
9709 (df_ur_bb_local_compute): Ditto.
9710 (df_urec_bb_local_compute): Ditto.
9711 (df_chain_create_bb): Ditto.
9712 (df_ur_local_finalize): Removed entry.
9713 (df_urec_init): Ditto.
9714 (df_urec_local_finalize): Ditto.
9715 (df_ri_bb_compute): Added detection of last use of pseudos.
9716 * Makefile.in (df-scan.o): Updated dependencies.
9717 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9718 * config/mips/mips.c (mips_set_live_on_entry): Added.
9719 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9720 for target hook.
9721 * dce.c (marked_insn_p): Added code to handle artifical defs.
9723 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9725 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9726 intrinsic.
9727 (_mm_cvtsi128_si64): Likewise.
9728 (_mm_cvtsd_si64): Likewise.
9729 (_mm_cvttsd_si64): Likewise.
9730 (_mm_cvtsi64_sd): Likewise.
9731 (_mm_cvtsi64_si128): Likewise.
9732 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9733 (_mm_cvtsi64_m64): Likewise.
9734 (_m_to_int64): Likewise.
9735 (_mm_cvtm64_si64): Likewise.
9736 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9737 (_mm_cvttss_si64): Likewise.
9738 (_mm_cvtsi64_ss): Likewise.
9739 (_mm_cvtss_f32): Likewise.
9741 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9743 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9744 for pragma redefine_extname.
9746 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9748 PR target/25864
9749 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9750 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9751 -mno-minimal-toc to previous content.
9752 (bispecs): Remove goal.
9753 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9754 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9755 compatibility aliases on powerpc-*-*gnu*.
9756 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9757 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9758 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9759 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9760 (ldblspecs): New goal.
9761 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9762 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9763 _df_to_tf.
9764 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9765 L_sf_to_tf or L_df_to_tf is defined.
9767 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9768 Alan Modra <amodra@bigpond.net.au>
9770 PR target/25864
9771 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9772 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9773 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9774 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9775 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9776 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9777 (rs6000_override_options): Initialize rs6000_ieeequad.
9778 Initialize TFmode format to ibm_extended_format if not
9779 TARGET_IEEEQUAD.
9780 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9781 ieeelongdouble.
9782 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9783 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9784 (function_arg_advance): IBM long double passed in two FPRs, not
9785 split.
9786 (function_arg): IBM long double passed in FPRs.
9787 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9788 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9789 Only multireg GPR aligned.
9790 (rs6000_init_libfuncs): Enable IBM long double functions if not
9791 IEEEQUAD.
9792 (rs6000_generate_compare): Use IBM long double compare if not
9793 TARGET_IEEEQUAD.
9794 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9795 (TARGET_IEEEQUAD): Define.
9796 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9797 not TARGET_IEEEQUAD.
9798 * config/rs6000/rs6000.md: Enable TFmode patterns if
9799 !TARGET_IEEEQUAD.
9800 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9801 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9802 and -mlong-double-128 are incompatible.
9803 * doc/invoke.texi (-mabi): Collect options together. Add
9804 ibmlongdouble and ieeelongdouble.
9806 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9808 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9809 opaque type.
9810 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9811 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9812 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9813 * rtl.h (rtunion_def): Remove rt_ptr.
9814 (X0PTR): Delete.
9815 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9816 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9817 * config/i386/winnt.c (i386_pe_mark_dllexport)
9818 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9820 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9822 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9824 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9826 PR other/24829
9827 PR target/24831
9828 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9829 pthread_key_delete. From John David Anglin. gthrw-ify
9830 pthread_getunique_np only if it it's not a macro. Delete
9831 UNUSED macro.
9832 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9833 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9834 __gthread_objc_condition_signal, __gthread_key_delete): Add
9835 "__attribute__ ((__unused__))" to unused arguments.
9836 (__gthread_recursive_mutex_init_function): Add missing return.
9837 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9838 gthr-posix95.h: Use macro-based approach for name redirection
9839 on targets missing weakref.
9841 2006-01-26 Zack Weinberg <zackw@panix.com>
9843 * genconditions.c (write_header): In generated code, #ifdef out
9844 all includes and fake declarations, except includes of bconfig.h
9845 and system.h, unless GCC_VERSION >= 3001. Do not include
9846 gensupport.h in any case.
9847 (write_conditions): Generate a definition of struct c_test. Add
9848 a comment to the generated #endif.
9849 (write_one_condition): Escape backslashes in string too.
9850 (write_writer): Generated code must escape backslashes and quote
9851 marks (but not newlines) in the strings it writes.
9852 * Makefile.in (build/gencondmd.o): Update dependencies.
9854 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9856 PR target/25961
9857 * Makefile.in (insn-automata.o): Add header file dependencies.
9858 * genautomata.c: Add includes.
9860 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9862 PR target/25961
9863 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9865 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9867 * configure.ac: Expect target tools paths to be passed from the toplevel
9868 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9869 AS_SET_VAR_IF.
9870 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9872 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9874 PR c/25892
9875 * c.opt (Wpointer-sign): Init to -1.
9876 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9877 OPT_pedantic, to 0 otherwise.
9878 * doc/invoke.texi: Update.
9880 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9882 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9883 constants provided by 80387 instructions in the destination mode.
9885 2006-01-26 Richard Guenther <rguenther@suse.de>
9886 Andrew Pinski <pinskia@physics.uc.edu>
9888 PR tree-opt/21470
9889 partial PR tree-opt/17064
9890 * tree-ssa-structalias.c (intra_create_variable_infos):
9891 Create heap variables for incoming parameters if
9892 flag_argument_noalias > 1.
9893 (find_what_p_points_to): Look through default defs of
9894 parameter decls.
9896 2006-01-26 Jeff Law <law@redhat.com>
9898 PR ada/25900
9899 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9900 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9901 within the VR_RANGE, use the VR_RANGE as the result, not the
9902 VR_ANTI_RANGE.
9903 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9904 bounds for the type.
9906 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9908 * tree-ssa-alias.c (maybe_create_global_var): Change
9909 subvar walking to an assertion that we don't have subvar'd variables.
9911 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9913 PR C/25861
9914 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9915 Use a new variable, inner. PARM_DECLs are always non-weak.
9917 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9919 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9920 --disable-checking.
9922 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9924 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9926 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9928 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9929 (smax_insn, smin_insn, smax_0, smin_0): New.
9931 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9933 PR target/25947
9934 * config/cris/cris.c (cris_order_for_addsi3): New function.
9935 * config/cris/cris-protos.h: Prototype it.
9936 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9937 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9938 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9939 (split for "op.S1 [rx=rx+i],ry (swapped)")
9940 (split for "op(s|u).S1 [rx=rx+i],ry")
9941 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9942 Apply cris_order_for_addsi3 when generating addsi3 insns.
9944 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9946 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9947 (TREE_BLOCK): Add call to EXPR_CHECK.
9949 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9951 PR 25886
9952 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9953 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9954 (dump_omp_clauses): ... here.
9955 (dump_generic_node): Handle OMP_CLAUSE.
9956 * tree.c (omp_clause_num_ops): New.
9957 (omp_clause_code_name): New.
9958 (tree_code_size): Handle OMP_CLAUSE.
9959 (tree_size): Likewise.
9960 (make_node): Document handling of OMP_CLAUSE.
9961 (tree_node_structure): Handle OMP_CLAUSE.
9962 (omp_clause_check_failed): New.
9963 (omp_clause_range_check_failed): New.
9964 (omp_clause_operand_check_failed): New.
9965 (build_omp_clause): New.
9966 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9967 * tree.h (enum omp_clause_code): Declare.
9968 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9969 (OMP_CLAUSE_RANGE_CHECK): Define.
9970 (OMP_CLAUSE_ELT_CHECK): Define.
9971 (omp_clause_check_failed): Declare.
9972 (omp_clause_operand_check_failed): Declare.
9973 (omp_clause_range_check_failed): Declare.
9974 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9975 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9976 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9977 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9978 (OMP_CLAUSE_IF_EXPR): Likewise.
9979 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9980 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9981 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9982 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9983 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9984 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9985 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9986 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9987 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9988 (OMP_CLAUSE_CODE): Define.
9989 (OMP_CLAUSE_SET_CODE): Define.
9990 (OMP_CLAUSE_CODE): Define.
9991 (OMP_CLAUSE_OPERAND): Define.
9992 (struct tree_omp_clause): Declare.
9993 (union tree_node): Add field 'omp_clause'.
9994 * treestruct.def (TS_OMP_CLAUSE): Define.
9995 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9996 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9997 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9998 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9999 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10000 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10001 (OMP_CLAUSE): Define.
10002 * print-tree.c (print_node): Handle OMP_CLAUSE.
10003 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10004 * c-typeck.c: Likewise.
10005 * gimplify.c: Likewise.
10006 * c-omp.c: Likewise.
10007 * tree-nested.c: Likewise.
10008 * tree-inline.c: Likewise.
10009 * c-parser.c: Likewise.
10010 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10011 clauses.
10013 2006-01-25 Roger Sayle <roger@eyesopen.com>
10015 PR rtl-optimization/25703
10016 * combine.c (try_combine): Handle zero_extract and strict_low_part
10017 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10019 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10021 * global.c: Fix comment typos.
10023 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10025 PR target/25758
10026 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10027 Use output_addr_const instead of assemble_name.
10029 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10031 * Makefile.in (sched-vis.o): Update dependencies.
10032 * haifa-sched.c (sched_finish): Clear current_sched_info.
10033 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10034 (dump_flow_info): Call it.
10035 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10036 a slim RTL dump.
10037 * basic-block.h (dump_bb_info): Declare.
10038 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10039 option, and apply options only for dump files whose TDF_RTL,
10040 TDF_TREE, or TDF_IPA bits match.
10041 * rtl.h: Declare new functions exported from sched-vis.c.
10042 * sched-vis.c: Enable also if scheduling is not used.
10043 (print_value): Print the mode of registers if not inside scheduling.
10044 (print_insn): Make it work outside the scheduler. Beautify the output
10045 a bit.
10046 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10048 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10050 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10051 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10052 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10053 depending on the value of CONSTANT_POOL_ADDRESS_P.
10054 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10055 SYMBOL_REF_DECL.
10056 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10057 rather than SYMBOL_REF_DECL.
10058 (rtx_constant_pool): Remove const_rtx_sym_htab.
10059 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10060 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10061 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10062 Remove handling of const_rtx_sym_htab.
10063 (find_pool_constant): Delete.
10064 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10065 rather than find_pool_constant.
10066 (get_pool_constant_for_function): Delete.
10067 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10068 find_pool_constant.
10069 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10070 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10071 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10072 (SYMBOL_REF_CONSTANT): New macro.
10073 (get_pool_constant_for_function): Delete.
10074 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10075 rather than SYMBOL_REF_DECL.
10076 (i386_pe_mark_dllimport): Likewise.
10077 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10078 rather than SYMBOL_REF_DECL.
10079 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10080 (machopic_indirect_call_target): Likewise.
10082 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10084 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10086 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10088 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10090 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10092 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10094 2006-01-24 David Daney <ddaney@avtrex.com>
10096 PR java/25816
10097 * configure.ac (enable_tls): New enable option.
10098 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10099 * configure: Regenerate.
10100 * doc/install.texi (--enable-tls): Document new option.
10101 (--disable-tls): Ditto.
10103 2006-01-24 Richard Henderson <rth@redehat.com>
10105 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10106 * alias.c (true_dependence): Respect it.
10107 (canon_true_dependence, write_dependence_p): Likewise.
10108 * builtins.c (get_builtin_sync_mem): Set it.
10110 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10112 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10113 efficient way.
10115 2006-01-24 DJ Delorie <dj@redhat.com>
10117 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10118 for storing constants in single-bit bitfields.
10120 2006-01-25 Ben Elliston <bje@au.ibm.com>
10122 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10124 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10126 PR tree-opt/25860
10127 * tree-ssa-pre.c (phi_translate): Return NULL
10128 for AGGREGATE_TYPE's.
10130 2006-01-24 Zack Weinberg <zackw@panix.com>
10132 * genautomata.c (process_state_for_insn_equiv_partition):
10133 Use xcalloc for insn_arcs_array.
10134 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10135 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10137 2006-01-24 Richard Henderson <rth@redhat.com>
10139 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10140 update all callers.
10142 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10144 PR rtl-optimization/25890
10145 PR rtl-optimization/25905
10146 * combine.c (expand_compound_operation, expand_field_assignment):
10147 Fail if the bitfield's final position is out of bounds.
10149 2006-01-24 Ian Lance Taylor <ian@airs.com>
10151 PR middle-end/25930
10152 * cgraphunit.c (cgraph_output_in_order): Don't clear
10153 cgraph_asm_nodes until after asm strings have been output.
10155 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10157 * fix-header.c (read_scan_file): Add new parameter imultilib when
10158 calling register_include_chains.
10160 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10162 * omp-low.c: Update documentation.
10164 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10165 Daniel Berlin <dberlin@dberlin.org>
10167 PR tree-opt/25315
10168 PR tree-opt/25857
10169 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10170 return from the function.
10172 2006-01-22 Zack Weinberg <zackw@panix.com>
10174 * rtl.def (match_code): Add second argument.
10175 * genpreds.c (write_extract_subexp): New function.
10176 (write_match_code): Add path argument. Use write_extract_subexp.
10177 (write_predicate_expr): Pass path to write_match_code.
10178 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10179 not perform a mode test.
10180 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10181 a subexpression does not constrain the top-level code set.
10182 * read-rtl.c (read_rtx_variadic): New function.
10183 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10184 * doc/md.texi: Document new notation.
10185 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10186 (cmpsi_operand): ... here, using new notation.
10188 2006-01-22 Zack Weinberg <zackw@panix.com>
10190 * varray.c: Remove GENERATOR_FILE #ifdefs.
10192 2006-01-22 Zack Weinberg <zackw@panix.com>
10194 * genautomata.c (output_reserved_units_table): Emit nothing if
10195 description->query_units_num is zero. Remove extra blank line.
10196 (output_cpu_unit_reservation_p): Short circuit
10197 if description->query_units_num is zero.
10199 2006-01-22 Zack Weinberg <zackw@panix.com>
10201 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10202 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10203 nor any of the random handful of variables that used to be necessary
10204 when this program was linked with rtlanal.o. Prune set of forward
10205 function declarations.
10206 (struct attr_desc): Remove static_p field.
10207 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10208 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10209 (attr_string): Do not read the character one past the length of
10210 the string.
10211 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10212 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10213 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10214 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10215 (make_automaton_attrs): New.
10216 (main): Do not call into genautomata. Call local gen_bypass
10217 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10218 Remove special case for insn_alts.
10219 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10220 varray.h (leftover from previous change). Prune set of forward
10221 function declarations. Remove state_alts fields from all
10222 structures. Remove state_alts_table from struct automaton.
10223 Make everything except main static. Do not maintain num_dfa_decls.
10224 Do not maintain state_alts fields of various structures.
10225 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10226 (add_arc): Remove state_alts argument. All callers updated.
10227 (output_reserved_units_table): Emit #ifdef here...
10228 (output_tables): ...not here. Don't generate state_alts tables.
10229 (expand_automata): Don't generate attributes.
10230 (write_automata): Don't generate state_alts functions.
10231 (main): New function.
10232 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10233 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10234 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10235 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10236 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10237 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10238 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10239 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10240 Delete.
10241 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10242 * genattrtab.h: Delete file.
10243 * Makefile.in (OBJS-common): Add insn-automata.o.
10244 (insn-automata.o): New rule.
10245 (simple_generated_c): Add insn-automata.c.
10246 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10247 (genprogmd): Add automata.
10248 (build/genattrtab): Needs no extra objects nor libraries.
10249 (build/genautomata): Needs build/vec.o and -lm.
10251 2006-01-22 Zack Weinberg <zackw@panix.com>
10253 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10254 (output_dfa_max_issue_rate, locked_states_num): Delete.
10255 (struct automaton): Add locked_states field.
10256 (output_dead_lock_vect): Save number of locked states in
10257 automaton->locked_states. If it is zero, don't print anything.
10258 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10259 (output_internal_dead_lock_func): Only test the dead_lock_vect
10260 for automata that have locked states.
10261 (output_statistics): Always print the number of locked states for
10262 each automaton. Calculate total number of locked states here.
10263 (write_automata): Don't call output_dfa_max_issue_rate.
10264 * genattrtab.c: Define length_unit_log as a const variable.
10265 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10266 max_insn_queue_index const.
10267 * final.c (length_unit_log): Declare const.
10268 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10270 2006-01-22 Zack Weinberg <zackw@panix.com>
10272 * genautomata.c: Include vec.h, not varray.h.
10273 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10274 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10275 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10276 VEC_* macros operating on appropriately typed vectors, or to
10277 malloced arrays when the size is known in advance. Const-ify
10278 many char* variables and function arguments. No functional changes.
10279 * Makefile.in (build/varray.o): Delete rule.
10280 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10281 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10283 2006-01-22 Zack Weinberg <zackw@panix.com>
10285 * gensupport.c: Define get_insn_name and record_insn_name here.
10286 (read_md_rtx): Call record_insn_name as appropriate.
10287 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10288 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10289 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10290 record_insn_name.
10291 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10292 (BUILD_VARRAY): Delete.
10293 (genprognormal): Rename genprogmd. Fold in all programs from
10294 genprognoprint; also attrtab.
10295 (build/genattrtab): Just mention genautomata.o and varray.o.
10296 Reorganize a bit, add comments to make the categories clearer.
10298 2006-01-22 Zack Weinberg <zackw@panix.com>
10300 * genconditions.c (condition_table, add_condition): Delete.
10301 (write_conditions): Don't emit n_insn_conditions nor
10302 insn_elision_unavailable. Issue the gcc version #ifdef here,
10303 inside the table, with no #else clause ...
10304 (write_header): ...not here.
10305 (write_writer): New function.
10306 (main): Don't initialize condition_table. Use add_c_test.
10307 Call write_writer.
10308 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10309 files on the command line.
10310 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10311 Return -1 if there is no entry in the table, don't abort.
10312 (add_c_test, traverse_c_tests): New functions.
10313 * gensupport.h (insn_elision_unavailable, insn_conditions)
10314 (n_insn_conditions): Delete declarations.
10315 (add_c_test, traverse_c_tests): Declare.
10316 * read-rtl.c: Include gensupport.h.
10317 (read_conditions): New function.
10318 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10319 (read_rtx_1): If we get EOF when we were looking for an initial
10320 open paren, return 0. Call read_conditions when appropriate.
10321 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10322 dummy-conditions.o. Eliminate references to insn-conditions.o,
10323 or change them to build/gencondmd.o, as appropriate. Remove
10324 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10325 from $(simple_generated_c). For all files remaining in those
10326 two lists, add insn-conditions.md to the generator command line.
10327 Give insn-constants.h/s-constants their own rules. Add rules
10328 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10329 (build/read-rtl.o): Depend on gensupport.h.
10330 (genprognormal): Include preds.
10331 (genprogearly): Rename genprognoprint; only difference is now that
10332 they don't link with $(BUILD_PRINT).
10333 * dummy-conditions.c: Delete.
10335 2006-01-22 Zack Weinberg <zackw@panix.com>
10337 * genextract.c: Don't include insn-config.h. Do include vec.h.
10338 Declare vectors of int, char, and locstr.
10339 (locstr): New typedef.
10340 (struct extraction): Make all array fields into bare pointers.
10341 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10342 (insn_code_number): Delete.
10343 (accum_extract): New struct.
10344 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10345 (gen_insn): Take insn_code_number as an argument. Use an
10346 accum_extract structure instead of loading data directly into
10347 a struct extraction, and having to know how big it might get.
10348 (walk_rtx): Operate entirely on an accum_extract structure.
10349 (print_path): Avoid unnecessary use of printf.
10350 (print_header): New function, split out of main. Distinguish
10351 more carefully between an unrecognizable insn and an insn that
10352 has the code number of a define_expand.
10353 (main): Pass insn_code_number to gen_insn. Call print_header
10354 only after parsing. Avoid unnecessary use of printf.
10355 * Makefile.in (build/vec.o): New rule.
10356 (build/genextract): Depend on build/vec.o.
10357 (build/genextract.o): Don't depend on insn-config.h.
10359 2006-01-22 Zack Weinberg <zackw@panix.com>
10361 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10362 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10363 practical. Eliminate per-generator-program link rules.
10365 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10367 PR middle-end/24437
10368 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10369 with a call expr to ...
10370 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10372 2006-01-23 Richard Guenther <rguenther@suse.de>
10374 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10375 before make_edge with conditional EDGE_TRUE_VALUE.
10377 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10378 Jan Hubicka <jh@suse.cz>
10379 Richard Guenther <rguenther@suse.de>
10381 PR rtl-optimization/25654
10382 * cfgexpand.c (aggregate_contains_union_type): New function.
10383 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10384 for structure variables that contain a union type.
10386 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10388 * gengtype.c (new_structure): Return the structure.
10389 (create_option): Add an extra "next" argument.
10390 (create_field): New function.
10391 (adjust_field_rtx_def): Use create_option and create_field.
10392 Remove a now-unnecessary call to find_structure.
10393 (adjust_field_tree_def): Likewise.
10394 (note_yacc_type): Remove an unnecessary call to find_structure.
10395 * gengtype.h (new_structure): Return the structure.
10396 (create_option): Add an extra argument.
10397 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10398 (option): Adjust calls to create_option.
10400 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10402 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10404 2006-01-22 Paul Brook <paul@codesourcery.com>
10405 Peter Barada <peter@the-baradas.com>
10407 * config/m68k/m68k.md: Add Coldfire FPU support.
10408 Define FP mode macro and associated attributes.
10409 Use it for float mode patterns.
10410 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10411 (LIBCALL_VALUE): Use m68k_libcall_value.
10412 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10413 (m68k_function_value): Ditto.
10414 (emit_move_sequence): Ditto.
10415 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10416 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10417 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10418 (MULTILIB_EXCEPTIONS): Ditto.
10419 * config/m68k/m68k.opt: Add mcfv4e.
10420 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10421 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10422 (m68k_output_function_prologue): Save ColdFire FPU registers.
10423 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10424 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10425 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10426 ColdFire FPU registers.
10427 (m68k_libcall_value, m68k_function_value): New functions.
10428 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10429 (LIBCALL_VALUE): Use m68k_libcall_value.
10430 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10431 (MASK_COLDFIRE): Add MASK_CFV4E.
10432 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10433 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10434 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10435 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10436 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10437 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10438 * doc/invoke.tex: Document -mcfv4e on m68k.
10440 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10442 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10443 URL.
10445 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10447 PR c++/16190
10448 * c-opts.c (c_common_handle_option): Don't include
10449 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10450 * doc/invoke.texi (C++ Dialect Options): Document that
10451 -Wnon-virtual-dtor is no longer included in -Wall.
10453 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10455 * gcov.c (print_version), gcov-dump.c (print_version),
10456 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10457 dates.
10459 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10461 * df-scan.c (problem_SCAN): Added NULL reset function.
10462 (df_scan_reset_blocks): Added code to call reset block function
10463 (df_bb_refs_delete) Fixed comment.
10464 (df_insn_refs_delete): Made tolerant of deleting non existent info
10465 for dataflow problems that need to be reset.
10466 * df-core.c (df_set_blocks): Ditto.
10467 * df.h (struct df_problem): Added reset_fun.
10468 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10469 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10470 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10471 functions to clear out all references to def-use or use-def chains.
10473 2006-01-21 Ben Elliston <bje@au.ibm.com>
10475 * varasm.c (assemble_real): Initialise data array.
10477 2006-01-20 Paul Brook <paul@codesourcery.com>
10479 Merge from csl-arm-branch.
10480 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10481 * config/arm/arm.md (movdi): Force operands[1] to a register
10482 if we have a non-register source.
10483 (*arm_movdi, *movdf_soft_insn): Require that one of the
10484 operands be a register.
10485 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10486 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10488 2006-01-20 DJ Delorie <dj@redhat.com>
10490 * varasm.c (initializer_constant_valid_p): Allow pointers
10491 initialized from integer constants of lesser precision.
10492 (output_constant): Allow non-int-sized pointer modes to be
10493 initialized from integer constants.
10495 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10497 PR libstdc++/25524
10498 * cppdefault.h (struct default_include): Add multilib flag.
10499 * cppdefault.c (cpp_include_defaults): Set it.
10500 * c.opt (-imultilib): New option.
10501 * c-opts.c (imultilib): New.
10502 (c_common_handle_option): Handle -imultilib.
10503 (c_common_post_options): Likewise.
10504 * c-incpath.c (add_standard_paths, register_include_chains):
10505 Likewise.
10506 * c-incpath.h (register_include_chains): Add extra parameter.
10507 * gcc.c (do_spec_1): Generate -imultilib option.
10508 (The Specs Language): Update %I description.
10509 (process_command): Update copyright notice.
10510 * doc/cppopts.texi (-imultilib): Document.
10511 * doc/invoke.texi (-imultilib): Include in option summary.
10512 (%I): Update specs documentation.
10514 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10516 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10518 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10520 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10521 label numbers.
10523 2006-01-20 Richard Guenther <rguenther@suse.de>
10524 Steven Bosscher <stevenb.gcc@gmail.com>
10526 PR rtl-optimization/24626
10527 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10528 EDGE_TRUE_VALUE if in RTL mode.
10530 Revert
10531 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10532 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10534 2006-01-20 Dirk Mueller <dmueller@suse.com>
10536 PR c++/5520
10537 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10538 instead of a special NOP marker.
10539 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10540 NOP marker handling.
10541 * c-common.h (empty_body_warning): Add forward declaration.
10542 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10543 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10545 2006-01-20 Paul Brook <paul@codesourcery.com>
10547 * Makefile.in (lang_checks): Keep going if mkdir fails.
10549 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10551 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10552 be able to clean out basic block when not necessary.
10553 (df_scan_free): Fixed to properly delete information if df is
10554 unused before calling df_finish.
10555 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10556 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10557 or comment typos.
10558 (df_bb_refs_delete): New function.
10559 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10560 * df-core.c (df_set_blocks): Added code to properly clean out
10561 unused blocks if they are not part of the blocks to consider.
10562 Added additional null check.
10563 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10564 be able to clean out basic block when not necessary
10565 * df.h (df_free_bb_function): Ditto.
10566 (df_bb_refs_delete): New function.
10567 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10568 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10569 basic block parameter to be able to clean out basic block when not
10570 necessary.
10571 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10572 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10573 Fixed to properly delete information if df is unused before
10574 calling df_finish.
10576 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10578 PR rtl-optimization/25799
10579 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10580 Corrected confluence operator to remove bits from op2 before oring
10581 with op1 rather than removing bits from op1.
10582 (df_ru_transfer_function): Corrected test on wrong bitmap which
10583 caused infinite loop. Both of these problems were introduced in
10584 the dataflow rewrite.
10586 2006-01-19 DJ Delorie <dj@redhat.com>
10588 * reload1.c (find_reload_regs): Note the details of reload
10589 failures in the dump file.
10590 (spill_failure): Likewise.
10592 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10594 * loop-iv.c: Include df.h and hashtab.h.
10595 (enum iv_grd_result): New enum.
10596 (DF_REF_IV, DF_REF_IV_SET): New macros.
10597 (struct biv_entry): New.
10598 (df, bivs): New global variables.
10599 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10600 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10601 Removed.
10602 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10603 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10604 analyzed_for_bivness_p, record_biv): New functions.
10605 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10606 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10607 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10608 UD chains.
10609 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10610 analysed.
10611 (iv_number_of_iterations): Use new interface to iv analysis.
10612 * loop-unroll.c: Do not include varray.h.
10613 (analyze_iv_to_split_insn): Use new interface to iv
10614 analysis.
10615 * loop-unswitch.c (may_unswitch_on): Ditto.
10616 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10617 allocated.
10618 (df_bb_modify): Realloc tables to the new index.
10619 (df_find_use): New function.
10620 * df.h (df_find_use): Declare.
10621 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10622 outmode.
10623 * cfgloop.h (struct rtx_iv): Remove analysed field.
10624 (iv_get_reaching_def): Removed.
10625 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10626 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10627 (loop-iv.o): Add df.h and hashtab.h dependency.
10628 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10630 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10632 PR target/25668
10633 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10634 Double TFmode.
10635 (__floatundisf, __floatundidf): Likewise.
10636 * libgcc2.h (IS_IBM_EXTENDED): Define.
10638 2006-01-19 DJ Delorie <dj@redhat.com>
10640 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10642 2006-01-19 Paul Brook <paul@codesourcery.com>
10644 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10645 as nothrow when unwinding tables are disabled.
10647 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10649 PR testsuite/25171
10650 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10651 of bit-field" when in system header.
10653 2006-01-19 DJ Delorie <dj@redhat.com>
10655 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10656 the 16 bit shift limit of the m16c.
10658 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10660 PR target/22099
10661 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10662 * config/i386/i386.c (output_set_got): Output the label if we have one
10663 for the TARGET_DEEP_BRANCH_PREDICTION case.
10665 2006-01-19 Jan Hubicka <jh@suse.cz>
10666 H.J. Lu <hongjiu.lu@intel.com>
10667 Evandro Menezes <evandro.menezes@amd.com>
10669 * invoke.texi (generic): Document
10670 (i686) Update.
10671 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10672 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10673 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10674 (x86_use_incdec, x86_pad_returns): New variables
10675 (TARGET_CPU_DEFAULT_generic): New constant
10676 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10677 (enum processor_type): Add generic32 and generic64.
10678 * i386.md (cpu attribute): Add generic32/generic64
10679 (movhi splitter): Behave sanely when both partial_reg_dependency and
10680 partial_reg_stall are set.
10681 (K8 splitters): Enable for generic as well.
10682 * predicates.md (incdec_operand): Use TARGET_INCDEC
10683 (aligned_operand): Avoid memory mismatch stalls.
10684 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10685 * ppro.md: Enable for generic32
10686 * i386.c (generic64_cost, generic32_cost): New.
10687 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10688 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10689 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10690 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10691 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10692 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10693 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10694 x86_accumulate_outgoing_args, x86_prologue_using_move,
10695 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10696 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10697 Enable for generic.
10698 (x86_use_incdec, x86_pad_returns): New.
10699 (override_options): Add generic32 and generic64, translate "generic"
10700 to generic32/generic64 and "i686" to "generic32", refuse
10701 "generic32"/"generic64" as arch target.
10702 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10703 (ix86_reorg): Honor PAD_RETURNS.
10705 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10707 * tree-pretty-print.c (dump_generic_node): Handle
10708 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10709 * cgraph.c (cgraph_expand_queue): Rename from
10710 cgraph_analyze_queue. Update all users.
10711 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10712 cgraph_expand_queue.
10713 (cgraph_expand_all_functions): Likewise.
10714 (cgraph_finalize_pending_functions): Remove. Update callers.
10716 * tree.h (OMP_DIRECTIVE_P): Define.
10717 (OMP_PARALLEL_FN): Define.
10718 (OMP_PARALLEL_DATA_ARG): Define.
10719 (OMP_SECTIONS_SECTIONS): Define.
10720 * tree-pass.h (pass_expand_omp): Declare.
10721 * omp-low.c (struct omp_region): Declare.
10722 (struct omp_context): Remove fields 'parallel_type',
10723 'parallel_start_ix' and 'parallel_start_additional_args'.
10724 Update all users.
10725 (struct omp_for_data): Rename from struct expand_omp_for_data.
10726 (omp_regions): New static variable.
10727 (root_omp_region): New static variable.
10728 (find_omp_clause): Make static.
10729 (is_in_combined_parallel_ctx): Remove.
10730 (is_combined_parallel): New.
10731 (extract_omp_for_data): Move earlier in the file.
10732 (workshare_safe_to_combine_p): New.
10733 (get_ws_args_for): New.
10734 (determine_parallel_type): Move earlier in the file.
10735 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10736 child function.
10737 (omp_copy_decl): Likewise.
10738 (create_omp_child_function): Likewise.
10739 (lookup_omp_region): New.
10740 (dump_omp_region): New.
10741 (debug_omp_region): New.
10742 (debug_all_omp_regions): New.
10743 (new_omp_region): New.
10744 (scan_omp_parallel): If parallel_nesting_level > 1, the
10745 directive is nested within another parallel directive.
10746 Set OMP_PARALLEL_FN.
10747 (scan_omp_for): Do not try to handle combined parallel+for
10748 cases.
10749 Remove FIXME comment.
10750 (scan_omp_nested): Remove.
10751 (scan_omp_1): Do not call scan_omp_nested when
10752 parallel_nesting_level is > 1.
10753 Do not change the DECL_CONTEXT of local variables found.
10754 (lookup_decl_in_outer_ctx): New.
10755 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10756 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10757 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10758 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10759 If CTX is nested, lookup VAR in the outer context when
10760 building copy assignment.
10761 (lower_send_clauses): Rename from expand_send_clauses.
10762 If CTX is nested, lookup VAR in the outer context when
10763 building copy assignments.
10764 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10765 If CTX is nested, lookup VAR in the outer context when
10766 building copy assignments.
10767 (expand_parallel_call): Rename from build_parallel_call.
10768 Handle combined parallel+workshare cases.
10769 Re-implement to emit code into the CFG.
10770 (list2chain): New.
10771 (expand_omp_parallel): Re-implement to emit code into the CFG.
10772 Call move_sese_region_to_fn to outline the sub-graph
10773 containing the parallel region.
10774 (expand_omp_for_1): Remove.
10775 (expand_omp_for_generic): Re-implement to emit code into the
10776 CFG.
10777 (expand_omp_for_static_nochunk): Likewise.
10778 (expand_omp_for_static_chunk): Likewise.
10779 (expand_omp_for): Likewise.
10780 (expand_omp_sections): Likewise.
10781 (remove_exit_barriers): New.
10782 (expand_omp_synch): New.
10783 (expand_omp): New.
10784 (build_omp_regions_1): New.
10785 (build_omp_regions): New.
10786 (execute_expand_omp): New.
10787 (gate_expand_omp): New.
10788 (pass_expand_omp): Define.
10789 (lower_omp_sections): Rename from expand_omp_sections.
10790 Set OMP_SECTIONS_SECTIONS.
10791 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10792 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10793 (lower_omp_single): Rename from expand_omp_simple.
10794 (lower_omp_master): Rename from expand_omp_master.
10795 (lower_omp_ordered): Rename from expand_omp_ordered.
10796 (lower_omp_critical): Rename from expand_omp_critical.
10797 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10798 (lower_omp_for): Re-implement.
10799 (lower_omp_parallel): Re-implement.
10800 (lower_regimplify): Rename from expand_regimplify.
10801 (lower_omp_1): Rename from expand_omp_1.
10802 If there are syntax errors in the program, replace every
10803 OpenMP directive with NOP.
10804 Call lower_omp_* instead of expand_omp_*.
10805 (lower_omp): Rename from expand_omp.
10807 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10808 * tree-gimple.h (enum omp_parallel_type): Remove.
10809 (gimple_boolify): Declare extern.
10810 (find_omp_clause, determine_parallel_type): Remove.
10812 * gimple-low.c (lower_omp_directive): New.
10813 (lower_stmt): Call it.
10814 (record_vars_into): Move from ...
10815 (record_vars): ... here.
10816 Call record_vars_into with current_function_decl.
10818 * gimplify.c (struct gimplify_ctx): Remove fields
10819 combined_pre_p and combined_ctxp. Update users.
10820 (get_formal_tmp_var): Add documentation.
10821 (gimple_boolify): Make extern.
10822 (gimplify_expr_in_ctx): Remove. Update callers.
10823 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10824 will always be a BIND_EXPR.
10825 (gimplify_expr): Handle OMP_RETURN_EXPR.
10826 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10827 (OMP_PARALLEL): Add 3 operands.
10828 (OMP_SECTIONS): Add 1 operand.
10829 (OMP_RETURN_EXPR): Define.
10831 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10832 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10833 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10834 creating a circular free list.
10835 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10837 * tree-flow.h (move_sese_region_to_fn): Declare.
10838 (record_vars_into): Declare.
10839 * tree-cfg.c (make_omp_sections_edges): New.
10840 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10841 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10842 OMP_SECTIONS and OMP_SECTION.
10843 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10844 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10845 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10846 (gather_blocks_in_sese_region): New.
10847 (struct move_stmt_d): Declare.
10848 (move_stmt_r): New.
10849 (move_block_to_fn): New.
10850 (move_sese_region_to_fn): New.
10852 * passes.c (init_optimization_passes): Schedule
10853 pass_expand_omp after pass_init_datastructures.
10855 * tree-ssa-operands.c (get_expr_operands): Handle
10856 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10857 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10859 2006-01-19 Jeff Law <law@redhat.com>
10861 * tree-vrp.c (extract_range_from_assert): Refine the result range
10862 if the variable referenced by the ASSERT_EXPR has a range and
10863 either the tentative result range or the previous range is a
10864 VR_ANTI_RANGE.
10866 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10868 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10870 2006-01-19 Jan Hubicka <jh@suse.cz>
10872 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10874 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10876 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10877 (expand_compound_operation, expand_field_assignment): Fail if the
10878 bit lengths of an extract operation are out of range.
10879 (make_extraction): Compute wanted_inner_mode based on the position
10880 and length of the extraction. Make it extraction_mode for non-constant
10881 positions, and do not modify offset in that case. When generating a
10882 new MEM, use a mode that can hold the extraction while keeping correct
10883 alignment. Remove code that supported MEMs wrapped by USEs.
10884 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10886 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10888 * config/s390/s390.md ("Y", "y"): New mode attribute.
10889 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10890 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10891 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10892 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10893 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10894 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10895 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10896 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10897 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10898 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10899 "addsi3", "subsi3"): Insn patterns removed.
10900 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10901 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10902 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10903 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10904 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10905 "*sub<mode>3_cconly2"): New insn patterns.
10906 ("addsi3", "subsi3"): New expanders.
10908 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10910 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10911 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10912 existing STMT_VINFO_VECTYPE if available.
10913 (vect_mark_relevant): Add special handling for stmts that are
10914 marked as STMT_VINFO_IN_PATTERN_P.
10915 (vect_analyze_loop): Call vect_pattern_recog.
10916 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10917 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10918 stmt_info.
10919 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10920 (vect_recog_func_ptr): New function-pointer type.
10921 * tree-vect-patterns.c: New file.
10922 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10923 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10924 (vect_pattern_recog_1): New functions.
10925 (vect_pattern_recog_funcs): New array of function pointers.
10927 * tree-vectorizer.h (ternary_op): New enum value.
10928 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10929 declaration. Revised documentation. Removed redundant dump prints.
10930 Removed redundant argument. Added support for reduction patterns.
10931 (vectorizable_reduction): Added support for reduction patterns.
10932 (vect_transform_stmt): Added support for patterns.
10934 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10935 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10936 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10937 (expand_widen_pattern_expr): New function.
10938 (init_optabs): Initialize new optabs udot_prod_optab,
10939 sdot_prod_optab.
10940 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10941 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10942 (expand_widen_pattern_expr): New function declaration.
10943 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10944 tree-codes.
10945 * tree-inline.c (estimate_num_insns_1): Added cases for new
10946 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10947 * tree-pretty-print.c (dump_generic_node): Likewise.
10948 (op_prio): Likewise.
10949 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10950 * tree-ssa-operands.c (get_expr_operands): Added case for
10951 DOT_PROD_EXPR.
10952 * tree-vect-patterns.c (widened_name_p): New function.
10953 (vect_recog_dot_prod_pattern): Added function implementation.
10954 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10955 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10956 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10957 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10959 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10960 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10961 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10962 (init_optabs): Initialize new optabs widen_ssum_optab,
10963 widen_usum_optab.
10964 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10965 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10966 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10967 use instead of type of def.
10968 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10969 function implementation.
10970 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10971 widen_ssumv8hi): New.
10973 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10974 patterns.
10976 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10978 PR c/25805
10979 * c-decl.c (add_flexible_array_elts_to_size): New function.
10980 (finish_decl): Use it.
10982 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10984 * diagnostic.h: Include options.h.
10985 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10986 dependancies for diagnostic.h.
10987 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10989 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10991 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10992 (ssa_ro_call_cache_valid): Ditto.
10993 * tree-ssa-alias.c (sort_tags_by_id): New function.
10994 (init_transitive_clobber_worklist): Ditto.
10995 (add_to_worklist): Ditto.
10996 (mark_aliases_call_clobbered): Ditto.
10997 (compute_tag_properties): Ditto.
10998 (set_initial_properties): Ditto.
10999 (compute_call_clobbered): Ditto.
11000 (compute_may_aliases): Call compute_call_clobbered and grouping.
11001 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11002 (compute_flow_insensitive_aliasing): Grouping now happens in our
11003 caller.
11004 (setup_pointers_and_addressables): Remove clobbering related code.
11005 (add_may_alias): Ditto.
11006 (replace_may_alias): Ditto.
11007 (get_nmt_for): Ditto.
11008 (create_global_var):
11009 (is_escape_site): Return an escape_type enumeration.
11010 * tree-flow-inline.h (is_call_clobbered): Global var does not
11011 imply call clobbered.
11012 (mark_call_clobbered): Take a reason for marking this. Remove
11013 marking of globalness, and cache invalidation.
11014 (clear_call_clobbered): Remove cache invalidation code.
11015 * tree-dfa.c (dump_variable): If details is on, dump the reason
11016 for escaping.
11017 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11018 variable.
11019 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11020 (struct var_ann_d): Ditto.
11021 (enum escape_type): New.
11022 (mark_call_clobbered): Adjust prototype.
11023 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11024 are never call clobbered.
11025 Record reasons for escaping.
11026 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11027 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11028 (ssa_ro_call_cache_valid): Ditto.
11029 (clobbered_v_may_defs): Ditto.
11030 (clobbered_vuses): Ditto.
11031 (ro_call_vuses): Ditto.
11032 (clobber_stats): New.
11033 (init_ssa_operands): Zero out clobber stats.
11034 (fini_ssa_operands): Print out clobber stats.
11035 (get_call_expr_operands): Pass callee fndecl to
11036 add_call_read_ops).
11037 (add_call_clobber_ops): Remove use of cache.
11038 Add use of PURE_CONST information.
11039 (add_call_read_ops): Remove use of cache.
11040 Add use of static not_read information.
11042 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11044 Introduce TLS descriptors for i386 and x86_64.
11045 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11046 (TARGET_ANY_GNU_TLS): New macro.
11047 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11048 (struct machine_function): Add tls_descriptor_call_expanded_p.
11049 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11050 (ix86_current_function_calls_tls_descriptor): Likewise.
11051 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11052 (override_options): Introduce gnu2 tls dialect.
11053 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11054 not leaves.
11055 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11056 Likewise.
11057 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11058 (ix86_init_machine_status): Initialize new field.
11059 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11060 (ix86_tls_module_base): New.
11061 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11062 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11063 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11064 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11065 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11066 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11067 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11068 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11069 * config/i386/predicates.md (tls_modbase_operand): New.
11070 (tp_or_register_operand): New.
11072 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11074 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11075 (look_for_address_of): Ditto.
11076 (ipa_init): Walk the function decls.
11077 (static_execute): Don't set readonly on FUNCTION_DECL's.
11079 2006-01-18 Roger Sayle <roger@eyesopen.com>
11081 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11082 for shifts where the source and destination registers are different.
11084 2006-01-18 Paul Brook <paul@codesourcery.com>
11086 Merge from csl-arm-branch.
11087 2005-03-14 Julian Brown <julian@codesourcery.com>
11088 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11089 (aeabi_llsl): Likewise.
11090 (ashrdi3): Likewise.
11091 (aeabi_lasr): Likewise.
11092 (lshrdi3): Likewise.
11093 (aeabi_llsr): Likewise.
11094 2005-03-10 Julian Brown <julian@codesourcery.com>
11095 * config.gcc: Disable shared libgcc for SymbianOS.
11096 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11098 2006-01-18 DJ Delorie <dj@redhat.com>
11100 * c-pragma.c (handle_pragma_diagnostic): New.
11101 (init_pragma): Register it.
11102 * doc/extend.texi: Document it.
11104 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11105 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11106 (diagnostic_context): Add classify_diagnostic[].
11107 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11108 as errors if they're overridden to DK_WARNING.
11109 (diagnostic_initialize): Initialize classify_diagnostic[].
11110 (diagnostic_set_kind_override): New.
11111 (diagnostic_report_diagnostic): Check for kind changes.
11112 * opts.c (common_handle_option): Take lang_mask. Update callers.
11113 Handle OPT_Werror_.
11114 * common.opt (Werror=): New.
11115 * doc/invoke.texi: Document -Werror=*
11117 2006-01-18 Jeff Law <law@redhat.com>
11119 * tree-vrp.c (test_for_singularity): Correct test for new
11120 min limit. Use operand_equal_p rather than pointer equality
11121 for testing if new min/max values are equal.
11123 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11124 using range information until after propagation and folding.
11126 2006-01-18 Richard Henderson <rth@redhat.com>
11127 Aldy Hernandez <aldyh@redhat.com>
11128 Jakub Jelinek <jakub@redhat.com>
11129 Diego Novillo <dnovillo@redhat.com>
11131 * omp-low.c: New file.
11132 * c-omp.c: New file.
11134 2006-01-18 Richard Henderson <rth@redhat.com>
11135 Jakub Jelinek <jakub@redhat.com>
11136 Diego Novillo <dnovillo@redhat.com>
11138 * doc/invoke.texi: Document -fopenmp.
11139 * tree-dump.h (debug_function): Declare.
11140 * hooks.c (hook_bool_tree_bool_false): New function.
11141 (hook_tree_tree_null): Remove.
11142 (hook_tree_tree_tree_null): New.
11143 * hooks.h: Update to match.
11144 * tree-pretty-print.c (debug_tree_chain): New.
11145 (print_generic_expr): Handle TDF_CHAIN.
11146 (dump_generic_node): Handle BLOCK.
11147 Do not abort with incomplete SWITCH_EXPRs.
11148 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11149 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11150 print space after directive name.
11151 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11152 Handle OMP_MASTER and OMP_ORDERED.
11153 Handle printing of OMP_BODY just in one place, goto
11154 dump_omp_body in the rest of OMP_* nodes that have
11155 OMP_BODY.
11156 Don't handle clause nodes here. Update omp statements to
11157 use dump_omp_clauses.
11158 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11159 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11160 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11161 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11162 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11163 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11164 Adjust output for GOMP_PARALLEL.
11165 (dump_omp_clauses): New.
11166 (print_declaration): Dump DECL_VALUE_EXPR.
11167 (op_symbol_1): Split out of op_symbol.
11168 (dumping_stmts): Remove. Update all users.
11169 * cgraph.c (cgraph_analyze_queue): New.
11170 (cgraph_add_new_function): New.
11171 * cgraph.h (cgraph_analyze_queue): Declare.
11172 (cgraph_add_new_function): Declare.
11173 (cgraph_lower_function): Remove.
11174 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11175 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11176 and TYPE_P nodes in its default clause.
11177 (empty_body_p): New.
11178 (tree_range_check_failed): New.
11179 (build5_stat): New.
11180 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11181 OMP_CLAUSE_REDUCTION_MERGE,
11182 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11183 OMP_CLAUSE_PRIVATE_DEBUG,
11184 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11185 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11186 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11187 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11188 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11189 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11190 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11191 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11192 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11193 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11194 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11195 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11196 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11197 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11198 (TREE_RANGE_CHECK): New.
11199 (empty_body_p): Declare.
11200 (enum omp_clause_default_kind): New.
11201 (build_string_literal): Declare.
11202 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11203 (build5_stat, build5): Declare.
11204 * tree-pass.h (TDF_CHAIN): Define.
11205 * tree-pass.h (PROP_gimple_lomp): Define.
11206 (pass_lower_omp): Declare.
11207 * diagnostic.h (debug_tree_chain): Declare.
11208 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11209 mode_for_size.
11210 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11211 * builtins.c (build_string_literal): Make extern.
11212 * gcc.c (include_spec_function): New.
11213 (static_spec_functions): Add it.
11214 (main): Move load of libgomp.spec ...
11215 (LINK_COMMAND_SPEC): ... here.
11216 (link_gomp_spec): New.
11217 (static_specs): Include it.
11218 (LINK_COMMAND_SPEC): Add link_gomp.
11219 (GOMP_SELF_SPECS): New.
11220 (driver_self_specs): Include it.
11221 (switch_matches): Don't mark inline.
11222 (main): Load libgomp.spec.
11223 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11224 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11225 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11226 * tree-gimple.h (enum omp_parallel): Declare.
11227 (determine_parallel_type): Declare.
11228 (omp_firstprivatize_variable): Declare.
11229 (omp_reduction_init): Declare.
11230 (diagnose_omp_structured_block_errors): Declare.
11231 (struct walk_stmt_info): Add want_return_expr.
11232 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11233 (find_omp_clause): Declare.
11234 (insert_field_into_struct): Declare.
11235 (struct walk_stmt_info): Move from tree-nested.c
11236 (walk_stmts): Declare.
11237 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11238 to 200505.
11239 * cgraphunit.c (cgraph_lower_function): Make static.
11240 (cgraph_finalize_pending_functions): New.
11241 (cgraph_finalize_function): Call it.
11242 (cgraph_finalize_compilation_unit): Likewise.
11243 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11244 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11245 (BT_FN_UINT_UINT): New.
11246 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11247 DEF_FUNCTION_TYPE_VAR_4): Document.
11248 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11249 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11250 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11251 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11252 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11253 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11254 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11255 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11256 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11257 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11258 into separate files.
11259 (DEF_GOMP_BUILTIN): New.
11260 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11261 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11262 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11263 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11264 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11265 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11266 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11267 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11268 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11269 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11270 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11271 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11272 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11273 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11274 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11275 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11276 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11277 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11278 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11279 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11280 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11281 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11282 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11283 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11284 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11285 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11286 * sync-builtins.def: New file, moved from builtins.def.
11287 * omp-builtins.def: New file, moved from builtins.def.
11288 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11289 * gimple-low.c (lower_function_body): Clear data.
11290 (lower_stmt): Do not handle COMPOUND_EXPR.
11291 Remove call to print_node_brief.
11292 * c-tree.h (c_finish_omp_clauses): New prototype.
11293 (C_DECL_THREADPRIVATE_P): Define.
11294 (lookup_name_no_remap, c_omp_remap_private): Remove
11295 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11296 (check_for_loop_decls): Update decl.
11297 (lookup_name_no_remap, c_omp_remap_private): Declare.
11298 (build_indirect_ref, build_modify_expr, pushdecl,
11299 pushdecl_top_level): Move to c-common.h.
11300 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11301 before the switch, but just in the 2 places that need it.
11302 * c-decl.c (diagnose_mismatched_decls): Do not check for
11303 mismatched thread-local attributes when OLDDECL is marked
11304 threadprivate and NEWDECL has no thread-local attributes.
11305 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11306 (c_gimple_diagnostics_recursively): Rename from
11307 c_warn_unused_result_recursively. Invoke
11308 diagnose_omp_structured_block_errors.
11309 (check_for_loop_decls): Return a singular decl found.
11310 * langhooks.c (lhd_omp_predetermined_sharing): Return
11311 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11312 (lhd_omp_firstprivatize_type_sizes): New.
11313 (lhd_omp_assignment): New.
11314 (lhd_omp_predetermined_sharing): New.
11315 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11316 (struct lang_hooks_for_types): Add
11317 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11318 omp_predetermined_sharing, omp_disregard_value_expr,
11319 omp_private_debug_clause, omp_clause_default_ctor,
11320 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11321 (c_finish_omp_clauses): New.
11322 (c_finish_bc_stmt): Diagnose break within omp for.
11323 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11324 (build_unary_op): Return error_mark after reporting
11325 a readonly_error.
11326 (build_modify_expr): Likewise.
11327 * gimplify.c: Include optabs.h and pointer-set.h.
11328 (enum gimplify_omp_var_data): Declare.
11329 (struct gimplify_omp_ctx): Declare.
11330 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11331 and combined_ctxp.
11332 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11333 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11334 (splay_tree_compare_decl_uid): New.
11335 (new_omp_context): New.
11336 (delete_omp_context): New.
11337 (gimple_add_tmp_var): Call omp_add_variable.
11338 (gimplify_bind_expr): Likewise.
11339 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11340 true, disregard DECL_VALUE_EXPR on the decl if any.
11341 (gimplify_expr_in_ctx): New.
11342 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11343 omp_add_variable, omp_notice_variable, omp_is_private
11344 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11345 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11346 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11347 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11348 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11349 gimplify_omp_atomic): New.
11350 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11351 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11352 OMP_CRITICAL and OMP_ATOMIC.
11353 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11354 * c-pragma.h (enum pragma_kind): Add
11355 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11356 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11357 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11358 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11359 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11360 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11361 PRAGMA_OMP_THREADPRIVATE.
11362 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11363 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11364 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11365 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11366 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11367 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11368 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11369 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11370 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11371 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11372 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11373 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11374 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11375 OpenMP directives.
11376 (struct nesting_info): Add field_map,
11377 suppress_expansion, debug_var_chain.
11378 (create_nesting_tree): Initialize them.
11379 (lookup_field_for_decl): Use field_map.
11380 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11381 (convert_local_omp_clauses): New.
11382 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11383 (walk_body): Split out of walk_function.
11384 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11385 (convert_nonlocal_reference): Handle omp statements.
11386 (convert_local_reference): Likewise.
11387 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11388 (unnest_nesting_tree): New.
11389 (lower_nested_functions): Call it.
11390 (insert_field_into_struct): Make extern.
11391 (struct walk_stmt_info): Move to tree-gimple.h.
11392 (walk_stmts): Make extern.
11393 * omp-builtins.def: New file.
11394 * tree-iterator.c (expr_only): Clarify comment.
11395 * c-common.h (pushdecl_top_level, pushdecl,
11396 build_modify_expr, build_indirect_ref,
11397 c_finish_omp_master, c_finish_omp_critical,
11398 c_finish_omp_ordered, c_finish_omp_barrier,
11399 c_finish_omp_atomic, c_finish_omp_flush,
11400 c_finish_omp_for, c_split_parallel_clauses,
11401 omp_clause_default_kind, c_omp_sharing_predetermined,
11402 c_omp_remap_decl): Declare.
11403 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11404 (OBJS-common): Add omp-low.o.
11405 (c-omp.o, omp-low.o): Add.
11406 (gimplify.o): Add dependency on $(OPTABS_H).
11407 (GTFILES): Add omp-low.c.
11408 (gt-stringpool.h): Add.
11409 * tree-cfg.c (set_bb_for_stmt): Do not update the
11410 block-to-labels map if we are currently expanding to RTL.
11411 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11412 checks.
11413 Handle IDENTIFIER_NODE.
11414 (tree_verify_flow_info): Do not ICE when emitting error
11415 messages about invalid labels.
11416 (dump_function_to_file): Reset CFUN before emitting the body
11417 of the function.
11418 (debug_function): New.
11419 * passes.c (init_optimization_passes): Schedule
11420 pass_lower_omp.
11421 * langhooks-def.h (lhd_omp_predetermined_sharing,
11422 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11423 Declare.
11424 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11425 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11426 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11427 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11428 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11429 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11430 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11431 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11432 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11433 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11434 (LANG_HOOK_DECLS): Use them.
11436 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11437 Richard Henderson <rth@redhat.com>
11438 Jakub Jelinek <jakub@redhat.com>
11439 Diego Novillo <dnovillo@redhat.com>
11441 * c-parser.c (pragma_omp_clause): Define.
11442 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11443 (c_parser_compound_statement): Likewise.
11444 (c_parser_statement): Likewise.
11445 (c_parser_pragma): Handle omp pragmas.
11446 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11447 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11448 (c_parser_omp_clause_name, check_no_duplicate_clause,
11449 c_parser_omp_variable_list,
11450 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11451 c_parser_omp_clause_copyprivate,
11452 c_parser_omp_clause_default,
11453 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11454 c_parser_omp_clause_lastprivate,
11455 c_parser_omp_clause_nowait,
11456 c_parser_omp_clause_num_threads,
11457 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11458 c_parser_omp_clause_reduction,
11459 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11460 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11461 c_parser_omp_atomic, c_parser_omp_barrier,
11462 c_parser_omp_critical, c_parser_omp_flush,
11463 c_parser_omp_for_loop, c_parser_omp_for,
11464 c_parser_omp_master, c_parser_omp_ordered,
11465 c_parser_omp_sections_scope, c_parser_omp_sections,
11466 c_parser_omp_parallel, c_parser_omp_single,
11467 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11468 * c-pragma.c (init_pragma): Do omp pragma registration here.
11469 * c.opt (fopenmp): New flag.
11471 2006-01-18 Eric Christopher <echristo@apple.com>
11473 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11474 * config/darwin.h (GOMP_SELF_SPECS): Define.
11476 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11478 * rtl.h: Remove the prototype for reg_alloc.
11480 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11482 PR target/25731
11483 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11484 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11485 sjlj and dwarf2 exception handling.
11486 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11487 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11488 * pa/pa.c (function_value): Treat complex and vector types as
11489 aggregates.
11490 (function_arg): Likewise. Only pass scalar floats in the floating
11491 point argument registers.
11492 * pa/t-slibgcc-dwarf-ver: New file.
11493 * pa/t-slibgcc-sjlj-ver: New file.
11494 * pa/t-slibgcc-elf-ver: Delete file.
11496 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11498 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11499 unlikely_test_section_p test.
11501 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11503 * mode-switching.c (optimize_mode_switching): Make it static.
11504 * basic-block.h: Remove the prototype for
11505 optimize_mode_switching.
11507 * modulo-sched.c (sms_schedule): Make it static.
11508 * rtl.h: Remove the prototype for sms_schedule.
11510 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11511 * rtl.h: Remove the prototype for gcse_after_reload_main.
11513 * reg-stack.c (reg_to_stack): Make it static.
11514 * rtl.h: Remove the prototype for reg_to_stack.
11516 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11517 Make them static.
11518 * rtl.h: Remove the prototypes for regrename_optimize and
11519 copyprop_hardreg_forward.
11521 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11523 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11524 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11525 Test against the appropriate null constant for the mode.
11526 If 'fixup_overlap' is true, swap the operands if they overlap.
11527 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11528 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11529 alpha_split_tmode_pair and adjust for above change.
11530 * config/alpha/alpha.md (movtf_internal): Adjust call to
11531 alpha_split_tfmode_pair and rely on it to swap the operands.
11532 (movti_internal): New insn and post-reload splitter.
11533 (movti): New expander.
11535 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11537 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11538 operands.
11540 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11542 * rtlanal.c (global_reg_mentioned_p_1,
11543 global_reg_mentioned_p): Remove.
11544 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11546 * flow.c (initialize_uninitialized_subregs): Make it static.
11547 * rtl.h: Remove the prototype for
11548 initialize_uninitialized_subregs.
11550 * function.c (instantiate_virtual_regs): Make it static.
11551 * function.h: Remove the prototype for
11552 instantiate_virtual_regs.
11554 * regmove.c (regmove_optimize, combine_stack_adjustments):
11555 Make them static.
11556 * rtl.h: Remove the prototypes for regmove_optimize and
11557 combine_stack_adjustments.
11559 2006-01-17 Roger Sayle <roger@eyesopen.com>
11561 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11562 (size_cost): Encode costs in bytes so that a reg-reg addition is
11563 equivalent to COSTS_N_INSNS(1).
11564 (override_options): Use the size_cost.branch_cost as the default
11565 ix86_branch_cost when optimizing for size.
11567 2006-01-18 Ben Elliston <bje@au.ibm.com>
11569 * Makefile.in (D32PBIT_FUNCS): New.
11570 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11571 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11572 D64PBIT_FUNCS and D128PBIT_FUNCS.
11573 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11574 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11575 D128PBIT are set.
11576 (decnumber_dep): Define.
11577 * doc/libgcc.texi (Decimal float library routines): New node.
11578 * config/dfp-bit.h, config/dfp-bit.c: New files.
11580 2006-01-18 Ben Elliston <bje@au.ibm.com>
11582 * expr.c (emit_move_change_mode): Always adjust addresses, not
11583 just during reload. Copy replacements only during reload.
11584 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11585 emit_move_via_integer.
11587 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11589 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11590 instead of $(srcdir) and ${srcdir}.
11592 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11594 PR target/592
11595 PR middle-end/11135
11596 * arm.h (struct machine_function): Add pic_reg.
11597 * arm.c (arm_pic_register): Make unsigned.
11598 (arm_override_options): Only set arm_pic_register if
11599 TARGET_SINGLE_PIC_BASE.
11600 (use_return_insn): Only test for a pic register if it is fixed.
11601 (arm_compute_save_reg0_reg12_mask): Likewise.
11602 (thumb_compute_save_reg_mask): Likewise.
11603 (legitimate_pic_operand): Factor out some known invariants.
11604 (legitimize_pic_address): If we don't have a fixed pic register,
11605 then set up a pseudo in the function entry sequence. Handle the
11606 pic base being in a pseudo.
11607 (arm_load_pic_register): Handle the pic register being in a pseudo.
11608 (arm_expand_prologue): Only set up the pic register if it is fixed.
11609 (thumb_expand_prologue): Likewise.
11610 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11611 (pic_load_addr_based_insn): Likewise.
11612 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11613 fixed.
11615 2006-01-18 Ben Elliston <bje@au.ibm.com>
11617 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11618 decimal float modes for all floating point registers.
11620 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11621 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11623 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11625 PR c/25682
11626 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11627 even when the pointer is not NULL.
11629 2006-01-16 Ian Lance Taylor <ian@airs.com>
11631 * common.opt (ftoplevel-reorder): New option.
11632 * cgraph.c (cgraph_asm_nodes): New global variable.
11633 (cgraph_asm_last_node): New static variable.
11634 (cgraph_order): New global variable.
11635 (cgraph_create_node): Set new order field.
11636 (cgraph_varpool_node): Likewise.
11637 (decide_is_variable_needed): Return true if not
11638 flag_toplevel_reorder.
11639 (cgraph_add_asm_node): New function.
11640 * cgraph.h (struct cgraph_node): Add order field.
11641 (struct cgraph_varpool_node): Add order field.
11642 (struct cgraph_asm_node): Define.
11643 (cgraph_asm_nodes, cgraph_order): Declare.
11644 (cgraph_add_asm_node): Declare.
11645 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11646 function.
11647 (cgraph_varpool_assemble_pending_decls): Call it.
11648 (cgraph_output_pending_asms): New static function.
11649 (cgraph_finalize_compilation_unit): Call it.
11650 (struct cgraph_order_sort): Define.
11651 (cgraph_output_in_order): New static function.
11652 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11653 !flag_toplevel_reorder case.
11654 * c-parser.c: Include "cgraph.h".
11655 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11656 assemble_asm.
11657 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11658 than -fno-unit-at-a-time.
11659 * doc/invoke.texi (Option Summary): Mention
11660 -fno-toplevel-reorder.
11661 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11662 -funit-at-a-time documentation.
11664 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11665 Kazu Hirata <kazu@codesourcery.com>
11667 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11669 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11671 * Makefile.in (FUNCTION_H): New. Use it instead of
11672 function.h throughout the file.
11673 * function.h: Include tree.h.
11675 2006-01-17 Ben Elliston <bje@au.ibm.com>
11677 * recog.c: Separate some functions with whitespace.
11679 2006-01-16 Richard Henderson <rth@redhat.com>
11681 Merge from gomp branch:
11682 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11683 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11684 and rename from struct inline_data. Rename callee* to dst*;
11685 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11686 transform_new_cfg, transform_return_to_modify, and
11687 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11688 update_clones_p.
11689 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11690 (copy_decl_for_dup): Remove.
11691 * tree-inline.c (struct inline_data): Move to header.
11692 (insert_decl_map): Export.
11693 (remap_decl): Update for member name changes. Use copy_decl hook.
11694 Allow for replacement to be a non-decl. Remove dead code.
11695 (remap_type_1): Check for existing mapping.
11696 (remap_type): Export.
11697 (remap_decls): Update for member name changes.
11698 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11699 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11700 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11701 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11702 (tree_function_versioning, build_duplicate_type): Likewise.
11703 (copy_body_r): Likewise. Export.
11704 (copy_decl_for_dup): Split into ...
11705 (copy_decl_for_dup_finish, copy_decl_to_var,
11706 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11707 (replace_ref_tree, inlining_p): Remove.
11709 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11711 * ifcvt.c (if_convert): Make it static.
11712 * rtl.h: Remove the prototype for if_convert.
11714 * local-alloc.c (local_alloc): Make it static.
11715 * rtl.h: Remove the prototype for local_alloc.
11717 * loop.c (loop_optimize): Make it static.
11718 * cfgloop.h: Remove the prototype for loop_optimize.
11719 * rtl.h: Likewise.
11721 2006-01-16 DJ Delorie <dj@redhat.com>
11723 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11724 mems.
11726 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11728 * pa.md: Disparage copies between general and floating-point registers
11729 in 32-bit move patterns.
11731 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11733 PR testsuite/25741
11734 * Makefile.in (check-%): Depend on site.exp instead of
11735 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11736 directories.
11738 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11740 * global.c (global_alloc): Make it static.
11741 * rtl.h: Remove the prototype for global_alloc.
11743 2006-01-16 Richard Guenther <rguenther@suse.de>
11745 * tree-ssa-alias.c (struct used_part): Add write_only field.
11746 (get_or_create_used_part_for): Initialize it to true.
11747 (create_overlap_variables_for): Don't create structure variables
11748 for structures that only are written to.
11749 (find_used_portions): Handle MODIFY_EXPR to track whether a
11750 structure is only written to.
11752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11754 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11755 static.
11756 * basic-block.h: Remove the prototype for
11757 partition_hot_cold_basic_blocks.
11759 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11761 * cppspec.c (lang_specific_spec_functions): Remove.
11762 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11763 * gcc.h (lang_specific_spec_functions): Remove.
11764 * gccspec.c (lang_specific_spec_functions): Remove.
11766 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11768 * combine.c (record_value_for_reg): Invalidate registers
11769 if INSN is null.
11770 (record_dead_and_set_regs_1): Likewise, by passing them to
11771 record_value_for_reg.
11772 (record_dead_and_set_regs): Invalidate stores made by a
11773 call. We do not combine across a call, but we still
11774 relied on equivalences.
11776 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11778 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11779 vrp_int_const_binop returning non-constant nodes.
11781 2006-01-16 Paul Brook <paul@codesourcery.com>
11783 * config/m68k/m68k.c (output_move_const_into_data_reg):
11784 Output correct mnemonic for mvz and mvs.
11786 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11788 * rtl-factoring.c: Add sequence abstraction algorithm.
11789 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11790 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11791 ABNORMAL edges.
11792 (block_has_preserve_label): New function.
11793 * common.opt: Register new pass.
11794 * Makefile.in: Ditto.
11795 * passes.c: Ditto.
11796 * timevar.def: Ditto.
11797 * tree-pass.h: Ditto.
11798 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11799 * rtl.h (make_jump_insn_raw): Add forward decl.
11800 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11802 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11803 Roger Sayle <roger@eyesopen.com>
11805 * fold-const.c (fold_minmax): New static function.
11806 (fold_binary) <MIN_EXPR>: Call it.
11807 <MAX_EXPR>: Likewise.
11808 * stor-layout.c (place_field): Use DECL_SIZE consistently
11809 in the computation of the new record size.
11811 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11813 * cse.c (cse_condition_code_reg): Make it static.
11814 * rtl.h: Remove the prototype for cse_condition_code_reg.
11816 * combine.c (combine_instructions): Make it static.
11817 * rtl.h: Remove the prototype for combine_instructions.
11819 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11821 PR target/25168
11822 * tree.c (get_file_function_name_long): Concatenate the first global
11823 object name with a string derived from the input filename of the object
11824 for type "F".
11826 2006-01-16 Ben Elliston <bje@au.ibm.com>
11828 * config/i386/winnt-stubs.c: Update FSF address.
11829 * config/xtensa/ieee754-df.S: Ditto.
11830 * config/xtensa/ieee754-sf.S: Ditto.
11832 2006-01-14 Ian Lance Taylor <ian@airs.com>
11834 * ifcvt.c (noce_init_if_info): New static function, broken out of
11835 noce_process_if_block.
11836 (noce_process_if_block): Call noce_init_if_info.
11837 (check_cond_move_block): New static function.
11838 (cond_move_process_if_block): New static function.
11839 (process_if_block): Call cond_move_process_if_block.
11841 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11843 * cselib.c (hash_table): Rename to cselib_hash_table.
11844 (cselib_clear_table, discard_useless_values,
11845 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11846 cselib_init, cselib_finish): Adjust uses of hash_table.
11848 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11850 PR tree-optimization/25485
11851 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11852 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11853 is known to be false and true, respectively.
11855 2006-01-14 Richard Guenther <rguenther@suse.de>
11857 PR tree-optimization/22548
11858 PR tree-optimization/22555
11859 PR tree-optimization/22501
11860 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11861 * params.def (salias-max-array-elements): New parameter.
11862 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11863 * doc/invoke.texi (salias-max-array-elements): Document.
11864 * tree-flow-inline.h (var_can_have_subvars): We also handle
11865 arrays now.
11866 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11867 COMPONENT_REF.
11868 * tree-ssa-structalias.c (params.h): Include.
11869 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11870 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11871 (get_constraint_for): For ADDR_EXPR operating on something
11872 containing an ARRAY_REF, add all subvars to the solution.
11873 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11874 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11875 for creating MUST_DEFs.
11876 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11878 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11880 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11881 functions.
11882 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11883 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11884 number_of_iterations_le): New functions.
11885 (number_of_iterations_special): Removed.
11886 (number_of_iterations_exit): Do not use number_of_iterations_special.
11887 * tree.c (unsigned_type_for): Always return integer type.
11889 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11890 Richard Guenther <rguenther@suse.de>
11892 PR rtl-optimization/24257
11893 * gcse.c (find_moveable_store): Only consider a store movable
11894 when the SET_SRC of the insn can be assigned to a register.
11896 2006-01-14 Ian Lance Taylor <ian@airs.com>
11898 * tree.c (tree_not_class_check_failed): New function.
11899 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11900 (tree_not_class_check_failed): Declare.
11902 2006-01-13 Ian Lance Taylor <ian@airs.com>
11904 * reload1.c (do_output_reload): Add assertion rejecting a
11905 CALL_INSN.
11907 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11909 * combine.c (struct reg_stat): Add new fields truncation_label and
11910 truncated_to_mode.
11911 (record_value_for_reg): Reset truncated_to_mode.
11912 (record_truncated_value): New function.
11913 (check_promoted_subreg): Call it. Rename to check_conversions.
11914 (combine_instructions): Rename check_promoted_subreg to
11915 check_conversions.
11916 (reg_truncated_to_mode): New function.
11917 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11918 (gen_lowpart_or_truncate): New function.
11919 (force_to_mode): Use it instead of gen_lowpart.
11921 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11923 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11924 VAR is a tag, not its type tag.
11926 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11928 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11929 alternatives to match style of other entries.
11930 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11932 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11934 PR tree-optimization/25771
11935 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11936 SSA_NAMES.
11938 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11940 PR tree-opt/24365
11941 * tree-inline.c (declare_return_variable): If the return variable
11942 was marked as a non gimple complex, set the return slot variable
11943 to be a non gimple comple variable.
11945 2006-01-13 Richard Guenther <rguenther@suse.de>
11947 * builtins.c (expand_builtin_sincos): New function.
11948 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11949 do not set errno.
11950 (expand_builtin): Expand sincos using expand_builtin_sincos.
11952 2006-01-12 DJ Delorie <dj@redhat.com>
11954 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11955 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11956 so that constant shifts can be split.
11957 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11958 (m32c_valid_pointer_mode): Make static.
11959 (shift_gen_func_for): New.
11960 (m32c_prepare_shift): Use it. Split large const shifts into
11961 multiple shifts.
11962 * config/m32c/predicates.md (shiftcount_operand): Allow more
11963 general operands.
11964 (longshiftcount_operand): New.
11965 * doc/md.texi (Machine Constraints): Document In6.
11967 2006-01-13 Ben Elliston <bje@au.ibm.com>
11969 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11970 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11971 documentation.
11973 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11975 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11976 to try to avoid clobbering pieces of structures when we know
11977 something about the whole structure.
11978 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11980 2006-01-13 Ben Elliston <bje@au.ibm.com>
11982 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11983 return in memory, as this is no limitation is no longer present.
11985 2006-01-12 DJ Delorie <dj@redhat.com>
11987 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11988 mova with fb, and for fb+0 -> An.
11990 * config/m32c/mov.md (peephole2): Fix enabling logic.
11992 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11993 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11994 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11995 FINI_ARRAY_SECTION_ASM_OP): Define.
11997 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11998 variable.
11999 (m32c_legitimize_reload_address): New logic to reload FB to An.
12000 (m32c_output_reg_push): Add newline.
12001 (m32c_output_reg_pop): Likewise.
12003 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12005 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12007 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12009 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12011 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12013 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12014 match_code.
12016 2006-01-11 Ben Elliston <bje@au.ibm.com>
12018 * rtlanal.c (find_reg_note): Assert insn is not null.
12020 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12022 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12023 ifdef.
12025 2006-01-11 Jeff Law <law@redhat.com>
12027 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12028 hold edge pairs.
12029 (mark_threaded_blocks, register_jump_thread): New functions.
12030 (thread_through_all_blocks): Remove unwanted argument. No
12031 longer rely on e->aux to communicate thread target info.
12032 Call mark_threaded_blocks. Release the threaded_blocks
12033 bitmap and threaded_edges vector when complete.
12034 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12035 (threaded_blocks): Remove.
12036 (tree_ssa_dominator_optimize): Remove initialization and
12037 finalization of threaded_blocks. Simplify call to
12038 thread_through_all_blocks.
12039 (thread_across_edge): Call register_jump_thread rather than
12040 storing thread information into e->aux.
12041 (free_all_edge_infos): Simplify now that e->aux is no longer
12042 used to communicate with thread_through_all_blocks.
12043 * tree-flow.h (thread_through_all_blocks): Update prototype.
12044 (register_jump_thread): Prototype.
12046 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12048 * df-core.c (df_compact_blocks, df_bb_replace): Use
12049 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12051 2006-01-11 Richard Guenther <rguenther@suse.de>
12053 PR tree-optimization/25734
12054 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12055 stop propagation after successful propagation to the LHS.
12057 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12059 * basic-block.h (control_flow_graph): Change the type of
12060 x_basic_block_info to VEC(basic_block,gc) *.
12061 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12062 basic_block_info.
12063 (SET_BASIC_BLOCK): New.
12064 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12065 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12066 * cfgbuild.c (find_basic_blocks): Likewise.
12067 * cfglayout.c (fixup_reorder_chain): Likewise.
12068 * cfgrtl.c (create_basic_block_structure,
12069 rtl_create_basic_block): Likewise.
12070 * ifcvt.c (find_if_case_1): Likewise.
12071 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12072 Likewise.
12074 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12076 * Makefile.in: Removed rotted odf.c entry.
12078 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12080 PR target/25706
12081 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12082 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12083 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12084 output pattern modifier, not %e.
12085 * config/cris/cris.c (cris_op_str): Update comment about pattern
12086 modifier.
12087 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12088 before falling through into...
12089 <case 'E'>: Redefined from old 'e' case.
12091 2006-01-11 Jan Hubicka <jh@suse.cz>
12093 PR target/25042
12094 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12096 2006-01-11 Jan Hubicka <jh@suse.cz>
12098 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12099 * i386.c (x86_decompose_lea): Kill.
12100 (ix86_rtx_costs): Kill.
12102 2006-01-11 Jan Hubicka <jh@suse.cz>
12104 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12105 * cgraph.h (cgraph_node): Add inline_decl.
12106 (cgraph_insert_node_to_hashtable): Declare.
12107 (save_inline_function_body): Declare.
12108 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12109 clones.
12110 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12111 (cgraph_function_versioning): Update call of tree_function_versioning.
12112 (save_inline_function_body): New function.
12113 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12114 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12115 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12116 (cgraph_default_inline_p): Likewise.
12117 (cgraph_decide_inlining_incrementally): Likewise.
12118 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12119 (copy_bb): Kill saving; do updating of clones.
12120 (copy_cfg_body): Kill saving.
12121 (initialize_inlined-parameters): Likewise.
12122 (expand_call_inline): Likewise.
12123 (save_body): Kill.
12124 (tree_function_versioning): New parameter "update_clones".
12125 (inlining_p): Kill saving.
12126 * tree-inline.h (tree_function_versioning): Update prototype.
12127 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12128 saving.
12130 2006-01-11 Ian Lance Taylor <ian@airs.com>
12132 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12133 Allow undoing set of machine mode.
12134 (do_SUBST): Use enums instead of is_int.
12135 (do_SUBST_MODE): New function.
12136 (SUBST_MODE): New macro.
12137 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12138 reg and trying to replace reg_regno_rtx with a new register.
12139 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12140 (simplify_set): Use SUBST_MODE.
12141 (distribute_notes): Remove code that tried to update reg notes
12142 for regno_reg_rtx changes.
12144 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12146 PR tree-optimization/23109
12147 PR tree-optimization/23948
12148 PR tree-optimization/24123
12150 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12151 * tree-cfg.c (single_noncomplex_succ): New.
12152 * tree-flow.h (single_noncomplex_succ): Declare it.
12153 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12154 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12155 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12156 insert_bb, register_division_in, insert_reciprocals,
12157 replace_reciprocal, free_bb): New.
12158 (execute_cse_reciprocals_1): Rewritten.
12159 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12160 Do not commit any edge insertion. Always compute dominators and
12161 create the allocation pool.
12162 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12163 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12164 * targhooks.c (default_min_divistions_for_recip_mul): New.
12165 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12166 * passes.c (init_optimization_passes): Run recip after tree loop
12167 optimizations.
12168 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12170 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12171 Kenneth Zadeck <zadeck@naturalbridge.com>
12173 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12174 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12175 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12176 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12177 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12178 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12179 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12180 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12181 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12182 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12183 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12184 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12185 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12186 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12187 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12188 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12189 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12190 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12191 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12192 DF_SCAN_POST_ALLOC): New macros.
12193 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12194 df_free_bb_function, df_local_compute_function, df_init_function,
12195 df_dataflow_function, df_confluence_function_0,
12196 df_confluence_function_n, df_transfer_function,
12197 df_finalizer_function, df_free_function, df_dump_problem_function,
12198 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12199 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12200 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12201 df_urec_bb_info, ) New types.
12202 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12203 variables.
12204 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12205 df_analyze_simple_change_some_blocks,
12206 df_analyze_simple_change_one_block, df_compact_blocks,
12207 df_bb_replace, df_bb_regno_last_use_find,
12208 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12209 df_insn_regno_def_p, df_find_def, df_find_use,
12210 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12211 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12212 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12213 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12214 debug_df_chain, df_get_dependent_problem, df_chain_create,
12215 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12216 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12217 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12218 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12219 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12220 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12221 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12222 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12223 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12224 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12225 df_reorganize_refs, df_set_state, df_hard_reg_init,
12226 df_read_modify_subreg_p) New public functions.
12227 * df-core.c: The core dataflow solver and glue routines for rtl
12228 dataflow.
12229 (df_init, df_add_problem, df_set_blocks, df_finish,
12230 df_hybrid_search_forward, df_hybrid_search_backward,
12231 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12232 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12233 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12234 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12235 df_reg_defined, df_find_use, df_reg_used, df_dump,
12236 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12237 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12238 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12239 debug_df_useno, reset_df_after_reload): New functions.
12240 * df-scan.c: The scanning fuctions, once in df.c, completely
12241 rewritten so that they now fully model the functionality of
12242 register usage at the backend.
12243 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12244 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12245 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12246 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12247 df_get_artificial_defs, df_get_artificial_uses,
12248 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12249 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12250 df_refs_delete, df_reorganize_refs, df_set_state,
12251 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12252 df_def_record_1, df_defs_record, df_uses_record,
12253 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12254 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12255 df_record_exit_block_uses, df_hard_reg_init): New functions.
12257 * df-problems.c: Seven concrete dataflow problems that use the
12258 scanning in df-scan.c and are solved by the engine in df-core.c.
12259 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12260 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12261 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12262 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12263 df_ru_free_bb_info, df_ru_alloc,
12264 df_ru_bb_local_compute_process_def,
12265 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12266 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12267 df_ru_transfer_function, df_ru_free, df_ru_dump,
12268 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12269 df_rd_free_bb_info, df_rd_alloc,
12270 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12271 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12272 df_rd_transfer_function, df_rd_free, df_rd_dump,
12273 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12274 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12275 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12276 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12277 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12278 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12279 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12280 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12281 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12282 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12283 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12284 df_urec_mark_reg_use_for_earlyclobber,
12285 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12286 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12287 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12288 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12289 df_chain_create_bb_process_use, df_chain_create_bb,
12290 df_chain_finalize, df_chain_free, df_chains_dump,
12291 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12292 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12293 df_reg_lifetime): New functions.
12294 * df.c: Deleted file.
12295 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12296 consistent with new df api.
12297 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12298 rest_of_handle_sms): Ditto.
12299 * web.c (unionfind_union, union_defs, entry_register, web_main):
12300 Ditto.
12301 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12302 invariant_expr_equal_p, find_defs, check_dependencies,
12303 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12304 free_inv_motion_data, move_loop_invariants): Ditto.
12305 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12306 Update dependencies.
12307 (odf.c): Added defective entry that was deleted later in day.
12308 * sched-deps.c (sched_analyze_1): Ditto.
12310 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12312 * tree-ssa-operands.c (get_expr_operands): Record addressable
12313 variables directly. Do not call add_stmt_operands for CONST_DECLs
12314 and ARRAY_DECLs.
12315 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12316 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12318 2006-01-11 Ben Elliston <bje@au.ibm.com>
12320 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12321 function returns true in the positive case.
12323 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12325 PR target/20754
12326 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12327 for SI, DI, SF and DF modes. Add alternatives to copy between
12328 general and floating point registers to the 32-bit patterns.
12329 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12330 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12331 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12332 generating 64-bit code.
12333 * config/pa/pa.c (output_move_double): Handle copies between general
12334 and floating registers.
12336 2006-01-10 Stuart Hastings <stuart@apple.com>
12338 * config/i386/i386.md (set_got): Update.
12339 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12340 (builtin_setjmp_receiver): Mach-O support.
12341 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12342 (GOT_SYMBOL_NAME): Define.
12343 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12344 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12345 * config/i386/i386.c (override_options): Revise for Darwin.
12346 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12347 support. (darwin_x86_file_end): New. (output_set_got): Add label
12348 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12349 * config/i386/i386-protos.h (output_set_got): Likewise.
12350 * config/darwin.c (machopic_legitimize_pic_address): Update
12351 regs_ever_live[].
12353 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12355 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12356 when MODE isn't BLKmode.
12358 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12360 PR rtl-optimization/25367
12361 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12363 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12365 PR target/25718
12366 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12367 for a negative bound.
12369 2006-01-10 Richard Guenther <rguenther@suse.de>
12371 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12372 Never override with anything constraint.
12374 2006-01-10 Jan Beulich <jbeulich@novell.com>
12376 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12377 256 bits when optimize_size.
12379 2006-01-10 Jan Beulich <jbeulich@novell.com>
12381 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12382 MASK_ALIGN_DOUBLE.
12383 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12384 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12385 arguments.
12387 2006-01-10 Ben Elliston <bje@au.ibm.com>
12389 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12390 float modes.
12391 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12393 (USE_FP_FOR_ARG): Reject decimal float modes.
12394 (function_arg_advance): Likewise.
12395 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12396 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12397 point types in AltiVec vectors.
12398 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12399 (rs6000_libcall_value): Likewise.
12401 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12403 * config/xtensa/ieee754-df.S: New file.
12404 * config/xtensa/ieee754-sf.S: New file.
12405 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12406 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12407 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12409 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12411 * config/sh/predicates.md (binary_float_operator,
12412 binary_logical_operator, commutative_float_operator,
12413 equality_comparison_operator, greater_comparison_operator,
12414 less_comparison_operator, logical_operator,
12415 noncommutative_float_operator, shift_operator,
12416 symbol_ref_operand, unary_float_operator): Remove redundant
12417 conditionals.
12419 2006-01-09 Jeff Law <law@redhat.com>
12421 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12422 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12423 now unused arguments. Callers updated.
12424 (eliminate_redundant_computations): Remove now unused arguments,
12425 callers updated.
12426 (local_fold): Remove, no longer used.
12427 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12428 and moved to...
12429 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12430 (simplify_cond): New function.
12431 (forward_propagate_into_cond): Call simplify_cond.
12433 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12435 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12436 (*vec_extractv2di_1_sse): New.
12438 2006-01-09 Ben Elliston <bje@au.ibm.com>
12440 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12442 2006-01-08 Richard Guenther <rguenther@suse.de>
12444 * tree-ssa-structalias.c (get_constraint_for): Remove
12445 anyoffset argument.
12446 (get_constraint_for_component_ref): Likewise.
12447 (do_deref): Likewise.
12448 (get_constraint_for): Likewise.
12449 (do_structure_copy): Likewise.
12450 (handle_ptr_arith): Likewise.
12451 (find_func_aliases): Likewise. Remove unused need_anyoffset
12452 variable.
12454 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12455 Kaz Kojima <kkojima@gcc.gnu.org>
12457 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12458 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12459 (EXTRA_CONSTRAINT_C16): Remove.
12460 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12461 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12462 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12463 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12464 constants of SHmedia. Handle nested constant expressions of
12465 SHmedia correctly.
12466 (andcosts): Fix the costs for SHmedia constants.
12467 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12468 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12469 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12470 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12471 (movv4hi_i, movv2si_i): Likewise.
12472 (movsi_const): Adjust the second operand of ior so to match with
12473 the Csu constraint.
12474 (movdi_const, movdi_const_32bit): Likewise.
12475 (movdi_const_16bit+1): Don't sign-extend LOW.
12476 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12477 step.
12478 (*double_shori): Fix the split condition. Use GEN_INT instead
12479 of get_int_mode calls. Mask lower 16-bit of the argument of
12480 the last GEN_INT.
12481 (sym2GOTPLT): Remove.
12482 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12483 gen_rtx_UNSPEC.
12484 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12485 instead of EXTRA_CONSTRAINT_C16.
12487 2006-01-07 Ian Lance Taylor <ian@airs.com>
12488 David Edelsohn <edelsohn@gnu.org>
12490 PR rtl-optimization/25662
12491 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12492 for constant operands instead of simplify_gen_binary.
12493 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12494 after trying simplify_binary_operation
12496 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12498 * tree.c (iterative_hash_expr): Hash decls based on UID.
12500 2006-01-06 Eric Christopher <echristo@apple.com>
12502 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12503 (TARGET_UNWIND_EMIT): Fix spelling.
12504 * target.h (gcc_target): Add except_table_label.
12505 * except.c (output_function_exception_table): Use.
12506 * varasm.c (default_emit_except_table_label): New.
12507 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12508 define.
12509 (asm_out): Add here.
12510 * output.h (default_emit_except_table_label): Prototype.
12511 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12512 * config/darwin.c (darwin_emit_except_table_label): Define.
12513 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12515 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12517 PR tree-optimization/18527
12518 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12519 number_of_iterations_special, number_of_iterations_exit):
12520 Move base and step of an iv to a single structure. Add
12521 no_overflow flag, and use it in # of iterations analysis.
12522 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12523 folded_casts argument.
12524 (simple_iv): Pass base and step in a structure. Set no_overflow
12525 flag.
12526 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12527 Evaluate expensiveness of computing # of iterations instead of
12528 the final expression.
12529 * tree-scalar-evolution.h (affine_iv): New structure.
12530 (simple_iv): Declaration changed.
12531 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12532 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12533 find_givs_in_stmt): Changed due to simple_iv change.
12535 2006-01-06 Jeff Law <law@redhat.com>
12537 PR ada/24994
12538 * tree-cfg.c (bsi_replace): Rename final argument from
12539 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12540 change (stmt -> orig_stmt).
12541 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12542 (bsi_remove): Add new argument. Remove EH information
12543 if requested.
12544 (verify_eh_throw_table_statements): New function.
12545 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12546 updated.
12547 * tree-optimize.c (execute_free_cfg_annotations): Verify
12548 the EH throw statement table after removing annotations.
12549 * except.h (verify_eh_throw_table_statements): Prototype.
12550 * tree-flow.h (bsi_remove): Update prototype.
12551 * tree-vrp.c (remove_range_assertions): Add new argument to
12552 bsi_remove call.
12553 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12554 * tree-complex.c (expand_complex_div_wide): Likewise.
12555 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12556 * tree-tailcall.c (eliminate_tailcall): Likewise.
12557 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12558 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12559 * tree-nrv.c (tree_nrv): Likewise.
12560 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12561 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12562 (combine_blocks): Likewise.
12563 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12564 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12565 (cleanup_control_flow): Likewise.
12566 (remove_forwarder_block): Likewise.
12567 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12568 * tree-sra.c (sra_replace): Likewise.
12569 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12570 (forward_propagate_single_use_vars): Likewise.
12571 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12572 * tree-inline.c (expand_call_inline): Likewise.
12573 * tree-vect-transform.c (vect_transform_loop): Likewise.
12574 * tree-outof-ssa.c (rewrite_trees): Likewise.
12575 * tree-cfg.c (make_goto_expr_edges): Likewise.
12576 (cleanup_dead_labels): Likewise.
12577 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12578 (bsi_move_before, bsi_move_after): Likewise.
12579 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12580 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12582 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12584 PR tree-opt/25528
12585 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12586 and IMAGPART_EXPR.
12587 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12588 on non gimple variables. Also add checks at the top for decls and
12589 mtags.
12590 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12591 complex types.
12592 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12593 and IMAGPART_EXPR for creating MUST_DEFs.
12594 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12595 and NAME_MEMORY_TAG separately from the DECLs.
12597 2006-01-06 Richard Guenther <rguenther@suse.de>
12599 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12600 annotation, if necessary.
12601 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12602 redundant calls to update_stmt.
12603 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12604 Likewise.
12606 2006-01-05 Richard Henderson <rth@redhat.com>
12608 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12610 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12612 * c-typeck.c: Update copyright date.
12614 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12616 * c-typeck.c (build_c_cast): Always warn when casting
12617 from a pointer to an integer of different size, even if
12618 the node was constant.
12620 2006-01-05 Richard Guenther <rguenther@suse.de>
12622 PR tree-optimization/22555
12623 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12624 if one structure field is an array.
12625 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12626 operands even if we found a subvar, but ignore VOPs in this
12627 case.
12628 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12629 for renaming.
12630 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12632 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12634 PR middle-end/24998
12635 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12637 2006-01-05 Richard Guenther <rguenther@suse.de>
12638 Diego Novillo <dnovillo@redhat.com>
12640 * tree-pass.h (TODO_remove_unused_locals): Define.
12641 * gimple-low.c (expand_var_p, remove_useless_vars,
12642 pass_remove_useless_vars): Remove. Update all users.
12643 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12644 (remove_unused_locals): New function.
12645 * tree-flow.h (remove_unused_locals): Declare.
12646 * passes.c (execute_todo): Call remove_unused_locals if
12647 TODO_remove_unused_locals is set.
12648 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12649 * tree-ssa-dce.c (pass_dce): Likewise.
12650 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12652 2006-01-05 Richard Guenther <rguenther@suse.de>
12654 * tree-flow.h (struct fieldoff): Decompose field to
12655 type, size and decl.
12656 * tree-ssa-alias.c (create_sft): Take type as parameter.
12657 (create_overlap_variables_for): Store type, size and decl
12658 in the fieldoff structure.
12659 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12660 of struct fieldoff.
12661 (push_fields_onto_fieldstack): Likewise.
12662 (create_variable_info_for): Likewise. Use offset for the
12663 SFT name if the decl is not available.
12665 2006-01-04 Paul Brook <paul@codesourcery.com>
12667 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12669 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12671 * lambda-code.c (can_put_in_inner_loop): Relax
12672 restrictions.
12673 (can_put_after_inner_loop): New function.
12674 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12675 (perfect_nestify): Change to make copies and modify uses.
12677 2006-01-04 Richard Henderson <rth@redhat.com>
12679 Merge from gomp branch:
12680 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12681 via integer constant.
12682 (pragma_lex): Remove.
12683 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12684 rather than parsing it.
12685 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12686 handle_pragma_extern_prefix): Add %< %> quotes.
12687 (registered_pragmas): New.
12688 (c_register_pragma_1): New.
12689 (c_register_pragma): Use it.
12690 (c_register_pragma_with_expansion): Likewise.
12691 (c_invoke_pragma_handler): New.
12692 (init_pragma): Use cpp_register_deferred_pragma directly for
12693 pch_preprocess.
12694 * c-pragma.h (enum pragma_kind): New.
12695 (pragma_handler): New.
12696 (c_invoke_pragma_handler): Declare.
12697 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12698 CPP_PRAGMA_EOL.
12699 * c-common.h (c_common_pch_pragma): Update decl.
12700 * Makefile.in (c-parser.o): Update dependencies.
12701 (GTFILES): Add c-pragma.h.
12702 * c-parser.c (struct c_token): Add pragma_kind.
12703 (struct c_parser): Add in_pragma.
12704 (c_lex_one_token): Always initialize keyword and pragma_kind.
12705 Extract data for CPP_PRAGMA.
12706 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12707 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12708 Don't allow CPP_PRAGMA_EOL if in_pragma.
12709 (c_parser_consume_pragma): New.
12710 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12711 (c_parser_skip_to_end_of_parameter): Likewise.
12712 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12713 (c_parser_skip_to_pragma_eol): New.
12714 (c_parser_external_declaration): Handle CPP_PRAGMA.
12715 (c_parser_compound_statement_nostart): Likewise.
12716 (c_parser_statement_after_labels): Likewise.
12717 (c_parser_pragma): New.
12718 (pragma_lex): Likewise.
12719 (c_parser_pragma_pch_preprocess): New.
12720 (c_parser_new): Merge into ...
12721 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12723 2006-01-04 Jeff Law <law@redhat.com>
12725 PR ada/24994
12726 * tree-cfg.c (bsi_replace): Remove the original statement
12727 from the EH throw statement table.
12729 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12731 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12732 make the prototype extern "C" and add throw ().
12734 PR target/25554
12735 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12736 and pos non-negative and pos + len <= 32.
12737 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12738 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12739 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12741 PR c/25559
12742 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12743 as well as sizes not multiple of component size.
12745 PR debug/25562
12746 * function.c (instantiate_expr): New function.
12747 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12748 walk its DECL_VALUE_EXPR with instantiate_expr.
12750 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12751 DW_OP_deref{,_size} if address isn't going to be added.
12753 2006-01-04 Ben Elliston <bje@au.ibm.com>
12755 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12756 * config/fp-bit.c: Likewise.
12758 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12760 * dominance.c: Add comment about why we use DFS numbering
12761 of dominance tree.
12763 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12764 Richard Henderson <rth@redhat.com>
12766 Merge from gomp-branch:
12767 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12768 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12770 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12772 PR rtl-optimization/25578
12773 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12774 pass a parameter to simplify_shift_const if changing ASHIFTRT
12775 to LSHIFTRT.
12777 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12779 * builtins.c (get_builtin_sync_mem): New function.
12780 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12781 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12782 Call get_builtin_sync_mem to generate mem rtx.
12784 2006-01-03 Richard Guenther <rguenther@suse.de>
12786 PR c/25183
12787 * stmt.c (add_case_node): Make sure to clear overflow flags
12788 from ranges.
12790 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12792 Merge from gomp-branch.
12793 * config/sparc/sync.md: New file.
12794 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12795 UNSPECV_LDSTUB): New constants.
12796 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12797 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12798 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12799 prototype.
12801 2006-01-03 Roger Sayle <roger@eyesopen.com>
12803 * combine.c (reg_subword_p): New predicate to test whether the
12804 destination of a set refers to a subword/piece of a register.
12805 (try_combine): Generalize the code to merge the setting of a
12806 pseudo to a constant followed by a set of a subword of that
12807 register to a constant.
12809 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12811 * basic-block.h (control_flow_graph): Change the type of
12812 x_label_to_block_map to VEC(basic_block,gc) *.
12813 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12814 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12816 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12817 VEC(basic_block,heap) *.
12818 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12819 ssa_prop_fini): Adjust the uses of cfg_blocks.
12821 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12823 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12824 COMPONENT_REFs.
12825 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12826 hashing trees instead of a pointer hash.
12827 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12828 compare for MEM_EXPR.
12830 PR rtl-optimization/25130
12831 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12832 when comparing MEMs for GCSE
12834 2006-01-03 Ben Elliston <bje@au.ibm.com>
12836 * targhooks.h (default_decimal_float_supported_p): Declare.
12837 * targhooks.c (default_decimal_float_supported_p): Define.
12838 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12839 `default_decimal_float_supported_p'.
12840 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12842 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12844 * combine.c (apply_distributive_law <SUBREG>): Check
12845 TRULY_NOOP_TRUNCATION.
12847 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12849 * dwarf2out.c (have_switched_text_section): Delete.
12850 (have_multiple_function_sections): New.
12851 (have_location_lists): Make 'bool'.
12852 (add_AT_loc_list): Use 'true' not '1'.
12853 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12854 (output_loc_list): Use have_multiple_function_sections.
12855 (output_ranges): Likewise.
12856 (dwarf2out_begin_function): Set have_multiple_function_sections if
12857 necessary.
12858 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12859 Check function_section rather than DECL_SECTION_NAME.
12860 (dwarf2out_finish): Use have_multiple_function_sections.
12861 Don't clear have_location_lists.
12863 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12864 Jan Hubicka <jh@suse.cz>
12866 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12867 case of conditional jump jumping to the next instruction.
12868 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12869 cases of conditional jump jumping to the next instruction.
12871 2006-01-02 Jan Hubicka <jh@suse.cz>
12873 * i386.c (*_cost): Add COSTS_N_INSNS.
12874 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12876 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12878 PR target/25259
12879 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12881 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12883 * config/arm/arm.c (all_fpus): Fix comment typo.
12884 * config/darwin.c: Likewise.
12885 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12886 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12887 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12889 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12891 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12892 (rs6000_split_compare_and_swapqhi): New.
12893 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12894 (sync_compare_and_swapqhi_internal): New.
12895 * config/rs6000/rs6000-protos.h: Declare.