| blob | 3afa2e05e74f11bf4c6d996bdd9be38c2a581b5c |
1 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8 comment typos.
10 2006-06-29 Jason Merrill <jason@redhat.com>
12 PR c++/26905
13 PR c++/26612
14 PR c++/27000
15 PR c++/26984
16 PR c++/19134
17 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
18 * c-common.c (c_determine_visibility): Handle it here.
19 * c-decl.c (finish_decl): Call c_determine_visibility for
20 functions, too.
21 * flags.h (enum symbol_visibility): Sort from most to least visibility.
22 * tree.h: Likewise.
23 * varasm.c (default_assemble_visibility): Likewise.
24 * c-common.c (handle_visibility_attribute): Complain about trying
25 to give visibility to an already defined class, or trying to change
26 declared visibility. Always attach the attribute.
28 PR c++/26905
29 PR c++/21675
30 PR c++/17470
31 * attribs.c (decl_attributes): Ignore type-in-place attributes
32 once the type has been defined.
34 2006-06-29 Roger Sayle <roger@eyesopen.com>
36 PR middle-end/27428
37 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
38 to indicate the cpplib has issued an error message for us.
40 2006-06-29 Asher Langton <langton2@llnl.gov>
42 PR target/25765
43 * config/i386/i386.c (ix86_output_function_epilogue): Don't
44 insert a label at the end of an function under Mach-O.
46 2006-06-29 Eric Christopher <echristo@apple.com>
47 Evan Cheng <evan.cheng@apple.com>
49 * predicates.md (vector_all_ones_operand): New.
50 (nonimmediate_or_sse_const_operand): Ditto.
51 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
52 * config/i386/i386.c (standard_sse_constant_opcode): Define.
53 (standard_sse_mode_p): Ditto.
54 (standard_sse_constant_p): Add case for -1 vector.
55 (ix86_expand_vector_move): Try to use.
56 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
57 Call standard_sse_constant_opcode.
58 (*movv4sf_internal): Ditto.
59 (*movv2df_internal): Ditto.
61 2006-06-29 Roger Sayle <roger@eyesopen.com>
63 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
64 of XEXP to extract the operands of a MATCH_CODE rtx.
66 2006-06-28 Andrew Pinski <pinskia@gmail.com>
68 * tree.c (tree_size): Do not waste tail padding in
69 struct tree_string and make the size be the same as
70 build_string will generate.
72 2006-06-28 Jason Merrill <jason@redhat.com>
74 PR c++/27768
75 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
76 may_aliases already in the tag's annotations to the bitmap.
78 2006-06-28 Roger Sayle <roger@eyesopen.com>
80 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
82 2006-06-28 Roger Sayle <roger@eyesopen.com>
84 * genpreds.c (generate_switch_p): New function.
85 (add_mode_tests): Push the new mode test down inside an AND expr
86 if this allows the switch-suitable MATCH_CODE to be near the root.
87 (write_match_code_switch): New function to write a MATCH_CODE as
88 a switch statement.
89 (write_predicate_stmts): New function to write a predicate RTX
90 expression as a sequence of statements.
91 (write_one_predicate_function): Use write_predicate_stmts.
92 (write_tm_constrs_h): Likewise.
94 2006-06-26 Fred Fish <fnf@specifix.com>
96 * config/mips/t-sb1: New file.
97 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
98 tmake_file list.
100 2006-06-26 DJ Delorie <dj@redhat.com>
102 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
104 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
105 Jayant Sonar <jayants@kpitcummins.com>
106 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
108 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
109 (subsi3, subsi3_1, subsi3_2): New.
110 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
111 * config/m32c/mov.md (SI mov peephole): New.
112 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
113 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
115 2006-06-26 Olivier Hainque <hainque@adacore.com>
117 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
118 a CALL_EXPR target function declaration.
120 2006-06-26 Richard Guenther <rguenther@suse.de>
122 * tree.c (build_string): Do not waste tail padding in
123 struct tree_string.
125 2006-06-26 Richard Guenther <rguenther@suse.de>
127 * ggc-page.c (init_ggc): Add missing element to size_lookup
128 table.
130 Revert
131 2006-06-23 Richard Guenther <rguenther@suse.de>
133 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
134 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
135 alignment requests instead. Add verification code.
136 Add struct tree_function_decl and struct tree_binfo size to
137 extra_order_size_table. Add missing element to size_lookup
138 table.
140 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
142 PR middle-end/28151
143 * fold-const.c (const_binop): Be prepared for self returning zero.
144 Simplify code handling complex values.
146 2006-06-24 Olivier Hainque <hainque@adacore.com>
148 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
149 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
150 aggregate types.
152 2006-06-24 Olivier Hainque <hainque@adacore.com>
154 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
155 ARRAY_REF, so have the callback called for the low bound expression.
157 2006-06-23 Janis Johnson <janis187@us.ibm.com>
159 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
160 * c-typeck.c (c_common_type): Disallow operations on decimal float
161 types and other float types.
162 * convert.c (convert_to_real): Don't ignore conversions involving
163 decimal float types.
165 2006-06-23 Olivier Hainque <hainque@adacore.com>
167 * tree.c (max_int_size_in_bytes): New function, inspired from
168 code in function.c:assign_temp.
169 * tree.h (max_int_size_in_bytes): Declare.
170 * function.c (assign_temp): Use it.
171 * gimplify.c (create_tmp_var): Relax the assertions on the type
172 properties, not mandating constant size any more.
173 (force_constant_size): New static function.
174 (gimple_add_tmp_var): Use it, forcing variable size to a
175 constant upper bound if it is not constant on entry.
177 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
179 PR target/27789
180 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
181 for initialization and setting of one_only flag to ...
182 (i386_pe_encode_section_info): ...here.
183 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
184 Recheck that the symbol has not been defined.
186 2006-06-23 Richard Guenther <rguenther@suse.de>
188 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
189 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
190 alignment requests instead. Add verification code.
191 Add struct tree_function_decl and struct tree_binfo size to
192 extra_order_size_table. Add missing element to size_lookup
193 table.
195 2006-06-22 Roger Sayle <roger@eyesopen.com>
196 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
198 PR middle-end/28131
199 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
200 call to lang_hooks.types.type_for_mode returned NULL_TREE.
202 2006-06-23 Ben Elliston <bje@au.ibm.com>
204 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
205 negate dn -- manipulate it directly.
207 2006-06-22 Roger Sayle <roger@eyesopen.com>
208 Steven Bosscher <stevenb.gcc@gmail.com>
210 PR target/27531
211 * reload1.c (gen_reload): Call mark_jump_label on the new insns
212 generated by gen_move_insn to add REG_LABEL notes if necessary.
214 2006-06-22 Bob Wilson <bob.wilson@acm.org>
216 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
217 (leaf_entry): Remove use of MIN_ESA.
219 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
221 PR rtl-optimization/28121
222 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
223 the entry edge.
225 2006-06-21 DJ Delorie <dj@redhat.com>
227 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
228 (TN-16C-A156A/E).
229 (mulhisi3_r): Likewise.
231 2006-06-21 Richard Sandiford <richard@codesourcery.com>
233 PR middle-end/28034
234 * coverage.c (coverage_counter_alloc): Leave the index type
235 unspecified.
236 (coverage_counter_alloc): Use null arguments for operands 2 and 3
237 of the ARRAY_REF.
239 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
241 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
242 section from the "Options for Code Generation Conventions".
244 2006-06-21 Richard Henderson <rth@redhat.com>
246 PR target/26347
247 PR target/27082
248 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
249 symbols.
250 (global_symbolic_operand): Allow weak symbols, even if local_p.
252 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
254 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
255 (find_interesting_uses_address): Punt if above function returns true.
257 2006-06-21 Richard Guenther <rguenther@suse.de>
259 * configure: Regenerated.
261 2006-06-21 Joseph Myers <joseph@codesourcery.com>
263 * config/mips/mips.c (function_arg): Where one part of a
264 complex argument is in registers and the other part in the stack,
265 return a REG not a PARALLEL.
267 2006-06-21 Mark Mitchell <mark@codesourcery.com>
269 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
270 when cross-compiling. Do not substitute libstdcxx_incdir.
271 * configure: Regenerated.
273 2006-06-21 Jakub Jelinek <jakub@redhat.com>
275 * varasm.c (mergeable_string_section): Check for embedded NULs and
276 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
277 rather than TREE_STRING_LENGTH bytes.
279 2006-06-21 Richard Guenther <rguenther@suse.de>
281 * ggc-page.c (extra_order_size_table): Add var_ann_d,
282 tree_ssa_name, bitmap_element and phi_node with 4 arguments
283 sizes.
285 2006-06-21 Richrad Guenther <rguenther@suse.de>
287 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
288 Limit iteration over the dominators.
290 2006-06-20 Roger Sayle <roger@eyesopen.com>
292 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
293 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
295 2006-06-20 Richard Guenther <rguenther@suse.de>
296 Michael Matz <matz@suse.de>
298 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
299 function.
300 * alloc-pool.c (free_alloc_pool_if_empty): New function.
301 * et-forest.h (et_free_pools): Prototype new function.
302 * et-forest.c (et_free_tree_force): Free parent occurrence.
303 (et_free_pools): New function.
304 * dominance.c (free_dominance_info): Free et-forest alloc
305 pools.
307 2006-06-20 Roger Sayle <roger@eyesopen.com>
309 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
310 integer modes, attempt to directly construct an integer constant.
312 * fold-const.c (native_encode_vector): Determine the size of each
313 element from the vector type instead of the first vector element.
315 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
316 if all of its elements/components are constant.
317 (build_constructor_from_list): Likewise.
319 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
321 PR tree-optimization/27331
322 * tree-data-ref.c (free_data_ref): New function.
323 (create_data_ref): Fail if the data reference has unknown access
324 function.
325 (free_data_refs): Use free_data_ref.
327 2006-06-19 Andrew Pinski <pinskia@gmail.com>
329 PR middle-end/28075
330 * tree-inline.c (setup_one_parameter): Strip useless
331 type conversion before adding it to the IR.
332 (declare_return_variable): Likewise.
334 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
336 PR c/27149
337 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
339 2006-06-19 Mike Stump <mrs@apple.com>
341 * tree.c (variably_modified_type_p): VM arguments don't make the
342 type a VM type.
344 2006-06-19 Richard Guenther <rguenther@suse.de>
346 * tree-ssa-pre.c (try_combine_conversion): Strip useless
347 type conversions after folding.
349 2006-06-19 Richard Guenther <rguenther@suse.de>
351 * ggc-page.c (extra_order_size_tab): Add entries with
352 size of struct function and basic_block.
353 (size_lookup): Extend to cover sizes up to 511.
354 (ggc_alloc_stat): Adjust user.
355 (ggc_pch_count_object): Likewise.
356 (ggc_pch_alloc_object): Likewise.
357 (ggc_pch_write_object): Likewise.
359 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
361 * tree-ssa-loop-niter.c (implies_ge_p): New function.
362 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
363 correctly.
365 2006-06-19 Denis Chertykov <denisc@overta.ru>
367 * config/avr/libgcc.S : Correct my wrong previous commit.
369 2006-06-19 Roger Sayle <roger@eyesopen.com>
371 PR target/27861
372 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
373 have stripped a SUBREG from the shift count, so we may need to
374 convert_to_mode back to the type's mode before calling make_tree.
375 Use new_amount instead of amount to avoid expanding a tree twice.
377 2006-06-19 Richard Guenther <rguenther@suse.de>
379 PR middle-end/28045
380 * fold-const.c (operand_equal_p): Check if the argument types
381 have the same precision before stripping NOPs.
383 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
385 Fix PR tree-optimization/27341
386 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
387 statement we get.
388 * tree-complex.c (pass_lower_complex): Update SMT usage.
390 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
392 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
393 Add a new alternative to the constraint strings. Add move of
394 operand 1 to 3 to the splitter definition.
395 ("doloop_si_long"): Second contraint alternative removed.
397 2006-06-08 Anatoly Sokolov <aesok@post.ru>
399 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
400 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
401 __AVR_HAVE_LPMX__.
402 (AVR_HAVE_MOVW) Define.
403 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
404 (ASM_SPEC): Add avr25.
405 (LINK_SPEC): Add avr25.
406 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
407 (base_arch_s): Add new member 'have_movw_lpmx'.
408 (avr_arch_types): Init 'have_movw_lpmx'.
409 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
410 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
411 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
412 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
413 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
414 AVR_HAVE_MOVW.
415 (avr_file_start): Do not output '.arh' derective.
416 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
417 (__do_copy_data): Use __AVR_HAVE_LPMX__.
418 * config/avr/avr.md (mcu_enhanced): Delete.
419 (mcu_have_movw): Define.
420 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
421 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
422 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
423 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
424 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
425 attiny861 and at86rf401 devices.
427 2006-06-18 Jie Zhang <jie.zhang@analog.com>
429 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
430 of 4096.
432 2006-06-17 Karl Berry <karl@gnu.org>
434 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
435 doc/gccint.texi, doc/install.texi (@dircategory): Use
436 "Software development" instead of "Programming", following
437 the Free Software Directory.
439 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
441 * config/i386/i386.c (legitimate_tls_address)
442 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
443 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
444 (*tls_dynamic_gnu2_combine_64): Likewise.
446 2006-06-16 Richard Guenther <rguenther@suse.de>
448 PR middle-end/27116
449 * fold-const.c (negate_expr_p): Do not introduce undefined
450 overflow in negating INTEGER_CSTs.
451 (fold_negate_expr): Rename from negate_expr. Revert last
452 change for folding BIT_NOT_EXPR. Change semantics to
453 return NULL_TREE for non-simplified negations. Do not
454 strip type conversions and unify type handling.
455 (negate_expr): New function, wrap around fold_negate_expr
456 but ensure building a tree always. Strip type conversions
457 here, fold to result type.
458 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
460 2006-06-16 Roger Sayle <roger@eyesopen.com>
462 PR middle-end/27802
463 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
464 that (would) return their results in stack registers.
466 2006-06-16 Michael Matz <matz@suse.de>
467 Richard Guenther <rguenther@suse.de>
469 * fold-const.c (fold_truthop): Only return new tree node if
470 we canonicalized something.
472 2006-06-16 Richard Guenther <rguenther@suse.de>
474 * function.h (enum function_frequency): Move declaration
475 out of struct function.
476 (struct function): Move bool fields and the enum to the bitfield
477 section. Reorder elements to avoid padding. Remove unused
478 fields left over from the RTL inliner removal.
479 * function.c (free_after_compilation): Do not zero removed fields.
480 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
481 (ipa-type-escape.o): Likewise.
483 2006-06-16 Richard Guenther <rguenther@suse.de>
485 * cgraph.h (struct cgraph_local_info): Turn bool elements
486 into a bitfield.
487 (struct cgraph_node): Likewise.
488 (struct cgraph_varpool_node): Likewise.
490 2006-06-15 Richard Guenther <rguenther@suse.de>
492 * fold-const.c (fold_truth_not_expr): Rename from
493 invert_truthvalue. Give it fold_* semantics to avoid
494 generating garbage.
495 (invert_truthvalue): New function. Wrapper around
496 fold_truth_not_expr.
497 (optimize_minmax_comparison): Avoid creating garbage.
498 (fold_unary): Use fold_truth_not_expr for folding
499 TRUTH_NOT_EXPR.
500 (fold_ternary): Replace uses of invert_truthvalue with
501 fold_truth_not_expr where applicable.
502 * tree.h (fold_truth_not_expr): Prototype.
504 2006-06-16 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/27781
507 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
508 * ipa-pure-const.c (target.h): Include.
509 (analyze_function): Do not analyze functions that do not
510 bind locally.
512 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
514 PR middle-end/27793
515 * tree-dfa.c (referenced_vars_dup_list): Remove.
516 (find_referenced_vars): Remove assert.
517 (referenced_var_check_and_insert): Replace dup list with assert.
518 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
519 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
521 2006-06-15 Richard Guenther <rguenther@suse.de>
523 * tree-ssa-structalias.c (alias_get_name): Avoid creating
524 extra unused identifiers if not dumping.
525 (create_variable_info_for): Likewise.
527 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
529 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
530 (derive_constant_upper_bound): Derive more precise upper bound in
531 common cases. Return type changed to double_int.
532 (record_estimate): Reflect the changed return type of
533 derive_constant_upper_bound.
534 * double-int.c (double_int_zext, double_int_sext): Fix.
536 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
538 * configure.ac (CFLAGS): Get them from the toplevel or from the
539 configure invocation.
540 * configure: Regenerate.
541 * Makefile.in (CFLAGS): Substitute value provided by configure.
543 2006-06-14 Mark Mitchell <mark@codesourcery.com>
545 PR c++/26559
546 * c-common.h (c_finish_omp_atomic): Adjust declaration.
547 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
548 rather than calling add_stmt on it.
549 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
551 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
553 PR middle-end/27959
554 * reload1.c (reload): Remove registers returned by update_eliminables
555 from used_spill_regs.
557 2006-06-13 DJ Delorie <dj@redhat.com>
559 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
561 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
563 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
564 html__strip_dir, html__mkdir_p. Enhance install-html target.
565 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
566 * configure: Regenerate.
568 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
570 * fold-const.c (fold_cond_expr_with_comparison): Check for
571 Objective-C++ as language in deciding COND_EXPR transformation.
573 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
575 PR target/28014:
576 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
577 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
578 * config/sh/lib1funcs.h (SL, SL1): Define.
579 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
580 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
581 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
582 (OBJS_Os_4_200): New variable.
583 ($(T)libgcc-Os-4-200.a): Use it.
584 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
585 when dividing 1 and/or by 0.
587 2006-06-13 Roger Sayle <roger@eyesopen.com>
589 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
590 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
591 * configure: Regenerate.
593 2006-06-13 Jie Zhang <jie.zhang@analog.com>
595 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
596 for real instruction.
598 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
600 PR middle-end/26807
601 * haifa-sched.c (check_cfg): Handle special case.
603 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
605 PR debug/26754
606 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
607 Add debug_info parameter. Chain the vars to the BLOCK instead
608 of the BIND_EXPR if debug info are requested for them.
609 (pop_gimplify_context): Adjust for above change.
610 (gimple_add_tmp_var): Likewise.
611 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
612 Add bool parameter.
613 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
614 (convert_local_reference): Likewise.
615 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
616 (finalize_nesting_tree_1): Request that debug info be emitted
617 for debug_var_chain.
619 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
621 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
622 for PR target/27863.
624 2006-06-13 Richard Guenther <rguenther@suse.de>
626 PR middle-end/27536
627 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
629 2006-06-13 Richard Guenther <rguenther@suse.de>
631 PR tree-optimization/27830
632 * tree-inline.c (copy_body_r): For copying the operand
633 of an ADDR_EXPR make sure to fold &* afterwards.
635 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
637 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
638 lvalues in the fb_none case with side-effects.
640 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
642 * tree-flow.h: Remove the prototype for
643 compute_phi_arg_on_exit.
644 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
645 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
646 Remove.
648 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
650 * builtins.c (expand_builtin_return_addr): Only use
651 frame_pointer_rtx when count == 0 and we are expanding
652 __builtin_return_address.
654 2006-06-12 Fred Fish <fnf@specifix.com>
656 * config/mips/mips.c (mips_file_start): Create special section
657 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
659 2006-06-11 Eric Christopher <echristo@apple.com>
661 PR middle-end/27948
662 * stor-layout.c (place_field): Remove check for
663 remaining_in_alignment when aligning at the end of a run.
665 2006-06-11 Eric Christopher <echristo@apple.com>
667 PR 27542
668 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
669 pragma.
671 2006-06-11 Roger Sayle <roger@eyesopen.com>
673 PR target/27858
674 Revert incorrect fix for PR target/27158
675 2006-05-08 Roger Sayle <roger@eyesopen.com>
676 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
677 of a reg_equiv_constant if the result is a legitimate constant.
679 2006-06-11 Roger Sayle <roger@eyesopen.com>
681 PR target/27158
682 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
683 extract a CONST_VECTOR element and interpret it as an integer.
684 (vspltis_constant): Use const_vector_elt_as_int instead of the
685 macro CONST_VECTOR_ELT in order to handle FP vector modes.
686 * config/rs6000/predicates.md (easy_vector_const): Consider
687 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
689 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
691 PR middle-end/27942
692 * stor-layout.c (update_alignment_for_field): Don't add extra
693 alignment for packed non-bitfield fields in ms_bitfield_layout_p
694 code.
696 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
698 * config/mips/t-rtems: Add EL/EB multilib variants.
700 2006-06-09 Mike Stump <mrs@apple.com>
702 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
704 2006-06-09 David Daney <ddaney@avtrex.com>
706 * doc/install.texi: Add binutils version recommendation for mips-*-*.
708 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
710 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
712 2006-06-09 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/26998
715 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
716 of signed types, only TYPE_MIN_VALUE is special, but for both,
717 minimum and maximum value. Likewise VR_ANTI_RANGE is special
718 in this case, as is -fwrapv.
720 2006-06-08 Mike Stump <mrs@apple.com>
722 PR target/26427
723 * config/darwin.c (darwin_asm_output_anchor): Disable
724 -fsection-anchors on darwin for now.
725 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
726 * rs6000/rs6000.c (optimization_options): Likewise.
728 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
730 PR target/27421
731 * config/i386/i386.c (classify_argument): Skip fields with invalid
732 types in unions.
734 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
736 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
737 (cse_insn): Likewise for the stack_pointer_rtx.
739 2006-06-08 Roger Sayle <roger@eyesopen.com>
741 * tree-ssa-dom.c (record_conditions): Only record "unordered"
742 conditions from floating point comparisons.
744 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
746 PR middle-end/27733
747 * expmed.c (struct alg_hash_entry): Fix type of field T
748 to match synth_mult argument.
749 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
751 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
753 PR target/27863
754 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
755 block boundaries.
757 2006-06-08 Richard Guenther <rguenther@suse.de>
759 PR middle-end/27116
760 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
761 only, if overflow is defined and not trapping.
762 (negate_expr): Likewise.
764 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
766 PR tree-optimization/27872
767 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
768 flag on the new exit edge of the unrolled loop.
770 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
772 PR rtl-optimization/26449
773 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
775 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
777 PR middle-end/27793
778 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
779 referenced_variables with matching DECL_UID's.
780 (find_referenced_vars): Make sure duplicate list is empty to start.
781 (referenced_var_p): Remove.
782 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
783 Check if var is in the list, and add if needed. Update the duplicate
784 list if a different var is in the list with the same DECL_UID.
785 (add_referenced_var): Call routine to check and insert.
786 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
787 * tree-flow.h (referenced_vars_dup_list): External declaration.
789 2006-06-07 Fred Fish <fnf@specifix.com>
791 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
792 into single entry.
794 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
796 PR target/27390
797 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
798 the imaginary and real parts of a clobbered register.
799 Emit insn to set the imaginary part.
801 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
803 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
804 in lieu of unwind-dw2-fde.c.
806 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
808 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
810 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
812 PR target/27842
813 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
814 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
815 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
816 V4SImode temporaries and operations instead.
818 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
820 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
821 dp-bit.c.
823 2006-06-06 Mike Stump <mrs@apple.com>
825 * Makefile.in: Rename to htmldir to build_htmldir to avoid
826 installing during build.
828 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
830 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
831 value to 0.
832 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
833 * config/ia64/ia64.c (params.h): New header.
834 (ia64_optimization_options): New function to adjust parameters.
835 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
836 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
837 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
839 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
841 * stor-layout.c (debug_rli): Fix a typo in a debug message.
843 2006-06-05 Steve Ellcey <sje@cup.hp.com>
845 PR target/27051
846 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
848 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
849 Victor Kaplansky <victork@il.ibm.com>
851 PR tree-optimization/26360
852 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
853 stmts.
855 2006-06-04 Roger Sayle <roger@eyesopen.com>
856 Andrew Pinski <pinskia@physics.uc.edu>
858 PR middle-end/27382
859 * c-common.c (c_common_truthvalue_conversion): Explicitly check
860 for LABEL_DECL before calling DECL_WEAK.
862 PR c/27150
863 * c-typeck.c (build_binary_op): Likewise, explicitly check for
864 LABEL_DECL and PARM_DECL.
866 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
868 PR c/25161
869 PR c/27020
870 * c-decl.c (grokdeclarator): Disallow variably modified types at
871 file scope. Avoid marking shared array type of constant size as
872 VLA.
874 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
876 PR c++/27601
877 * c-common.c (fold_offsetof_1): Handle static members.
879 2006-06-04 Eric Christopher <echristo@apple.com>
881 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
882 (debug_rli): Output value for remaining_in_alignment.
883 (update_alignment_for_field): Unconditionalize
884 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
885 extra alignment code.
886 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
887 ms_bitfield_layout_p code. Rewrite handling of structure fields.
888 * tree.h (record_layout_info_s): Remove prev_packed.
889 * doc/extend.texi (ms_struct): Add documentation of format.
891 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
893 * tree.h: Declare folding_initializer.
894 * builtins.c (fold_builtin_constant_p): Give definite answer
895 if folding inside an initializer.
896 * fold-const.c: Define folding_initializer.
897 (START_FOLD_INIT): Save and then set folding_initializer.
898 (END_FOLD_INIT): Restore folding_initializer.
900 2006-06-04 Richard Guenther <rguenther@suse.de>
902 PR tree-optimization/27039
903 * fold-const.c (fold_comparison): Handle pointer comparison
904 again for all comparison codes. Compare offsets in signed
905 size type.
906 (fold_binary): Move code from here.
908 2006-06-03 Roger Sayle <roger@eyesopen.com>
910 PR target/26223
911 * config/i386/i386.c (construct_container): Split static issued_error
912 flag into issued_sse_arg_error, issued_sse_ret_error and
913 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
914 requires the use of x87 registers and the user explicitly
915 specified the -mno-80387 command line option.
917 2006-06-02 Geoffrey Keating <geoffk@apple.com>
919 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
920 HAVE_DECL_SIGALTSTACK.
921 (MC_FLD): New.
922 (segv_handler): Use MC_FLD.
923 * configure.ac: Check for a sigaltstack declaration.
924 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
925 * configure: Regenerate.
926 * config.in: Regenerate.
928 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
930 PR other/27850
931 * Makefile.in (stmp-fixinc): Fix typo.
933 2006-06-02 Roger Sayle <roger@eyesopen.com>
935 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
936 are type correct. Clean-up.
937 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
938 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
940 2006-06-01 DJ Delorie <dj@redhat.com>
942 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
943 shift, as we've disabled the "switch" insn that needs it.
945 2006-06-01 Per Bothner <bothner@bothner.com>
947 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
948 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
949 * c-ppoutput.c (cb_define): Don't increment line 0.
951 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
953 * doc/invoke.texi: Add cpu_type power6.
954 * config.gcc: Add cpu_type power6.
955 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
956 to power5+ with Altivec.
957 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
958 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
960 2006-05-30 Anatoly Sokolov <aesok@post.ru>
962 * config/avr/avr.h (SET_ASM_OP): Define.
964 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
966 * config/bfin/bfin.c: Fix comment typos.
968 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
970 PR 25453
971 * doc/install.texi: Document --enable-bootstrap and
972 --disable-bootstrap.
974 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
976 * doc/install.texi: Document that InfoZIP can replace jar.
978 2006-05-31 Roger Sayle <roger@eyesopen.com>
980 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
981 isn't available, directly generate the simpler x87 patterns without
982 the (use (const_int 0)).
983 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
984 implementation isn't available.
985 (*negdf2_1): Likewise.
986 (*negxf2_1): XF mode negation is always done using the x87.
987 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
989 2006-05-31 Roger Sayle <roger@eyesopen.com>
991 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
992 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
993 cabs(z).
994 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
996 2006-05-31 Jie Zhang <jie.zhang@analog.com>
998 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
999 * config/bfin/bfin.c (basic-block.h): Include.
1000 (struct machine_function): New.
1001 (bfin_init_machine_status): New.
1002 (override_options): Initialize init_machine_status.
1003 (bfin_hardware_loop): New.
1004 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1005 (DEF_VEC_P (loop_info)): New.
1006 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1007 (struct loop_info): New.
1008 (loop_info): New typedef.
1009 (struct loop_work): New.
1010 (loop_work): New typedef.
1011 (DEF_VEC_O (loop_work)): New.
1012 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1013 (bfin_dump_loops): New.
1014 (bfin_bb_in_loop): New.
1015 (bfin_scan_loop): New.
1016 (bfin_optimize_loop): New.
1017 (bfin_reorg_loops): New.
1018 (bfin_reorg): Use bfin_reorg_loops.
1019 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1020 loop registers.
1021 (I_REGNO_P): Simplify.
1022 (DP_REGNO_P, DPREG_P): New macros.
1023 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1024 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1025 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1026 Add LT_REGS, LC_REGS, LB_REGS.
1027 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1028 'l' for LB_REGS.
1029 (REGNO_REG_CLASS): Deal with loop registers.
1030 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1031 letters.
1032 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1033 New constants for loop registers.
1034 (UNSPEC_LSETUP_END): New.
1035 (seq_insns): New define_attr. Set it for appropriate insns.
1036 (movsi_insn): Add alternatives for move from/to
1037 loop count registers.
1038 (doloop_end): New define_expand.
1039 (loop_end): New define_insn.
1040 (define_split for bad doloop_end): New.
1041 (lsetup_with_autoinit): New define_insn.
1042 (lsetup_without_autoinit): New define_insn.
1043 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1044 * config/bfin/predicates.md (lc_register_operand): New.
1045 (lt_register_operand): New.
1046 (lb_register_operand): New.
1047 (nondp_register_operand): New.
1048 (nondp_reg_or_memory_operand): New.
1049 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1051 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1053 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1054 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1056 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1058 * Makefile.in (CATALOGS): Add po/ prefix.
1059 * configure: Regenerated.
1061 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1063 PR target/27829
1064 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1065 a shift operand before calling shift_op. Avoid redundant call of
1066 shift_op.
1068 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1069 DJ Delorie <dj@redhat.com>
1071 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1072 we're inserting is a singlt-bit constant.
1074 2006-05-30 Roger Sayle <roger@eyesopen.com>
1076 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1077 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1079 2006-05-30 Roger Sayle <roger@eyesopen.com>
1081 PR tree-optimization/23452
1082 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1083 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1084 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1085 complex values and with -ffast-math for FP complex values.
1087 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1089 * c-common.h: Remove the prototype for yyparse.
1090 * rtl.h: Remove the prototype for init_loop.
1092 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1094 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1095 calling recog.
1097 2006-05-30 Roger Sayle <roger@eyesopen.com>
1099 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1100 and rotate cases.
1101 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1102 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1104 2006-05-30 Dirk Mueller <dmueller@suse.de>
1106 PR c/27273
1107 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1108 for CONSTANT_CLASS_P expresisons.
1110 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1112 PR c/27718
1113 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1115 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1117 PR tree-optimization/27779
1118 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1119 initial_condition instead of CHREC_LEFT.
1121 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1123 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1124 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1125 Make prototypes ISO C90.
1127 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1128 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1130 * see.c (see_analyze_one_def): Correct check.
1131 (see_get_extension_data): Check if extension is parallel.
1132 (see_get_extension_reg): Likewise.
1134 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1136 PR target/27790
1137 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1138 into register for (code == GTU).
1140 2006-05-29 Roger Sayle <roger@eyesopen.com>
1142 PR tree-optimization/24964
1143 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1144 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1145 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1146 abs(x)*abs(x) as x*x for scalar floating point modes.
1148 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1150 PR middle-end/27745
1151 * lambda-code.c (perfect_nestify): Don't copy statements
1152 in the inner loop: move them to the inner loop header.
1154 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1156 PR 26237
1157 * c-tree.texi: Document OpenMP directives and clauses.
1159 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1161 * varasm.c (globalize_decl): Fix indentation.
1163 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1165 PR 26242
1166 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1167 pass_fre, pass_store_ccp, pass_copy_prop,
1168 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1169 pass_return_slot, pass_object_size, pass_lim,
1170 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1171 pass_loop_prefetch and pass_stdarg.
1173 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1175 * config/bfin/bfin.opt (mfdpic): New option.
1176 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1177 (EXTRA_MULTILIB_PARTS): Likewise.
1178 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1179 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1180 multilib.
1181 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1182 (CRT_CALL_STATIC_FUNCTION): New.
1183 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1184 -shared.
1185 (CRT_CALL_STATIC_FUNCTION): New.
1186 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1187 FD-PIC moves.
1188 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1189 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1190 (initialize_trampoline): Changed to handle FD-PIC code generation.
1191 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1192 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1193 (override_options): Disallow -mid-shared-library -mfdpic combination.
1194 Can't do unaligned ops if FD-PIC.
1195 Turn off flag_pic if trying to generate non-id-shared-library
1196 non-fdpic code, since it's not supported.
1197 (bfin_assemble_integer): New function.
1198 (TARGET_ASM_INTEGER): Define.
1199 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1200 __BFIN_FDPIC__.
1201 * config/bfin/crtn.s: Restore them.
1202 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1203 if TARGET_FDPIC.
1204 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1205 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1206 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1207 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1208 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1209 call-used.
1210 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1211 FDPIC_REGS and FDPIC_FPTR_REGS.
1212 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1213 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1214 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1215 (load_funcdescsi): New pattern.
1216 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1217 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1218 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1220 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1222 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1223 loop.c.
1225 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1227 * tree-flow.h: Remove the prototype for add_type_alias.
1228 * tree-ssa-alias.c (add_type_alias): Remove.
1230 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1232 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1233 config/fr30/fr30.md, config/i386/i386-interix.h,
1234 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1235 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1236 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1237 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1238 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1239 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1240 Follow spelling conventions.
1241 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1242 Follow spelling conventions.
1244 2006-05-27 Richard Guenther <rguenther@suse.de>
1246 PR middle-end/27773
1247 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1248 to produce a constant of value 1 of generic type.
1250 2006-05-27 Dirk Mueller <dmueller@suse.de>
1252 * cgraphunit.c (decide_is_function_needed): Fix wrong
1253 PR reference.
1255 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1257 PR rtl-optimization/27661
1258 * reload.c (find_reloads): When reloading a VOIDmode constant
1259 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1260 use Pmode as mode of the reload register.
1262 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1264 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1265 is enabled at -O and above.
1267 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1269 PR target/27571
1270 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1271 table data.
1273 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1275 PR c++/20103
1276 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1277 for anonymous variables explicitly declared by front ends.
1279 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1281 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1282 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1283 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1284 ref-all pointers, run a finalization pass for them.
1285 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1286 (finalize_ref_all_pointers): New function.
1287 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1288 regular pointer type to a ref-all pointer type.
1289 (get_tmt_for): Return the special memory tag for ref-all pointers.
1291 2006-05-25 Richard Guenther <rguenther@suse.de>
1293 PR middle-end/27743
1294 * fold-const.c (fold_binary): Do not look at the stripped
1295 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1297 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1299 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1300 for LT and GT if the computed range is effectively empty.
1302 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1304 PR target/27627
1305 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1306 mips_quad_format formats instead of ieee_single_format,
1307 ieee_double_format and ieee_quad_format formats, respectively.
1309 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1311 PR tree-optimization/27639
1312 PR tree-optimization/26719
1313 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1314 call to scev_probably_wraps_p.
1315 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1316 used_in_pointer_arithmetic_p, convert_step): Removed.
1317 (nowrap_type_p): New function.
1318 (scev_probably_wraps_p): Rewritten.
1319 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1320 chrec_convert if chrec_convert_aggressive might have been used.
1321 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1322 scev_direction): New functions.
1323 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1324 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1325 instead of convert_step.
1326 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1327 (convert_step): Declaration removed.
1328 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1330 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1332 * df-core.c: Added to header comments.
1333 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1334 df_ur_bb_info, df_urec_bb_info): Added comments.
1335 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1336 urec, ri problems): Fixed header comments.
1337 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1338 code from df_rd_transfer_function.
1340 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1342 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1343 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1344 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1346 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1348 * expr.c (undefined_operand_subword_p): New.
1349 (emit_move_multi_word): Do not generate move from undefined bits
1350 of a paradoxical subreg.
1352 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1354 PR rtl-optimization/27736
1355 * combine.c (replaced_rhs_value): New variable.
1356 (combine_instructions): Set it.
1357 (distribute_notes): When distributing a note in replaced_rhs_insn,
1358 check whether the value was used in replaced_rhs_value.
1360 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1362 PR c++/26757
1363 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1364 add_referenced_var instead of add_referenced_tmp_var.
1365 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1366 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1367 add_referenced_var.
1368 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1369 tree_optimize_tail_calls_1): Use add_referenced_var.
1370 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1371 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1372 Use add_referenced_var.
1373 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1374 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1375 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1376 Use add_referenced_var.
1377 * tree-dfa.c (struct walk_state): Remove.
1378 (find_referenced_vars): Remove walk state and vars_found hash table.
1379 (make_rename_temp): Use add_referenced_var.
1380 (find_vars_r): Pass less parameters to add_referenced_var.
1381 (referenced_var_p): New. Is var in referenced_var hash table.
1382 (referenced_var_insert): Assert var isn't already in hash table.
1383 (add_referenced_var): Don't need walk_state parameter. Add var if it
1384 isn't already in the hash table.
1385 (add_referenced_tmp_var): Remove.
1386 (find_new_referenced_vars_1): Use add_referenced_var.
1387 * tree-ssa-pre.c (create_expression_by_pieces,
1388 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1389 Use add_referenced_var.
1390 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1391 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1392 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1393 add_referenced_var.
1394 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1395 vect_create_data_ref_ptr, vect_create_destination_var,
1396 vect_init_vector, vect_build_loop_niters,
1397 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1398 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1399 Use add_referenced_var.
1400 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1401 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1402 (add_referenced_var): Add prototype.
1403 * tree-ssa-structalias.c (get_constraint_for,
1404 intra_create_variable_infos): Use add_referenced_var.
1406 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1408 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1409 big-endian paradoxical subregs.
1410 * var-tracking.c (struct micro_operation_def): Document that,
1411 for modify micro operations, insn is the subsequent instruction.
1412 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1413 (var_reg_set, var_mem_set): ... new functions.
1414 (add_stores): Record subsequent insn.
1415 (compute_bb_dataflow): Use new functions for MO_USE.
1416 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1417 notes after the insn, and modify notes before the insn known
1418 to be the subsequent one.
1419 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1421 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1423 PR target/27696
1424 * config/i386/i386.c (ix86_expand_builtin): Use
1425 gen_sse3_monitor64 for TARGET_64BIT.
1427 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1429 PR rtl-optimization/26375
1430 PR rtl-optimization/26855
1431 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1432 to gen set.
1433 (df_ru_bb_local_compute): Reversed statements and removed bogus
1434 comment explaining why they should be in wrong order.
1435 (df_ru_dump, df_rd_dump): Enhanced debug info.
1436 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1437 debug info.
1438 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1439 reaching uses and fixed space problem.
1441 2006-05-23 Jan Hubicka <jh@suse.cz>
1443 * cgraphunit.c (decide_is_function_needed): Also nested functions
1444 and functions declared inline can be optimized out at -O0.
1446 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1448 * doc/install.texi (Configuration): Remove reference to CrossGCC
1449 FAQ which was gone.
1450 (Building): Ditto.
1452 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1454 PR target/27266
1455 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1456 ix86_compare_emitted is non-NULL.
1458 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1460 PR c++/27451
1461 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1462 clobbers.
1464 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1466 PR rtl-optimization/25514
1467 * combine.c (replaced_rhs_insn): New variable.
1468 (combine_instructions): Set replaced_rhs_insn when trying to replace
1469 a SET_SRC with a REG_EQUAL note.
1470 (distribute_notes): Use replaced_rhs_insn when determining the live
1471 range of a REG_DEAD register.
1473 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1474 Anatoly Sokolov <aesok@post.ru>
1476 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1477 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1478 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1479 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1480 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1481 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1482 at90usb647, at90usb1286 and at90usb1287 devices.
1483 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1484 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1486 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1488 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1490 2006-05-22 Richard Guenther <rguenther@suse.de>
1492 Revert
1493 2006-01-31 Richard Guenther <rguenther@suse.de>
1494 Paolo Bonzini <bonzini@gnu.org>
1496 * doc/install.texi (--disable-libgcc-math): Document.
1498 2006-05-22 Richard Guenther <rguenther@suse.de>
1500 Revert
1501 2006-01-31 Richard Guenther <rguenther@suse.de>
1503 * doc/invoke.texi (-msselibm): Document.
1504 * target.h (expand_library_builtin): New target hook.
1505 * builtins.c (expand_builtin): Use expand_library_builtin.
1506 (default_expand_library_builtin): New function.
1507 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1508 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1509 (link_gcc_math_spec): Declare.
1510 (static_specs): Add link_gcc_math_spec.
1511 * expr.h (default_expand_library_builtin): Declare.
1512 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1513 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1514 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1515 * config/i386/i386.opt (msselibm): New target option.
1516 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1517 (ix86_init_sse_abi_builtins): New function.
1518 (ix86_expand_library_builtin): Likewise.
1519 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1520 (override_options): Handle error conditions wrt -msselibm.
1521 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1522 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1523 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1524 builtins.
1526 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1528 PR c/27420
1529 * c-common.c (self_promoting_args_p): Skip erroneous args.
1531 PR c/26818
1532 * c-decl.c (finish_struct): Skip erroneous fields.
1534 2006-05-22 Nick Clifton <nickc@redhat.com>
1536 * config/cris/cris.opt (march): Remove VarExists attribute.
1537 (max-stackframe=): Likewise.
1539 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1541 * doc/rtl.texi: Fix a typo.
1542 * see.c: Fix comment typos.
1544 * tree-ssa-structalias.h (alias_info): Remove num_references.
1546 2006-05-21 Mike Stump <mrs@apple.com>
1548 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1549 (BAD2): Add.
1550 (darwin_pragma_options): Use BAD instead.
1551 (darwin_pragma_unused): Likewise.
1552 (darwin_pragma_ms_struct): Likewise.
1554 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1556 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1558 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1560 PR rtl-optimization/27671
1561 * simplify-rtx.c (simplify_relational_operation_1): Fix
1562 simplifications of (eq/ne (xor x y) y) and
1563 (eq/ne (xor x y) x).
1565 PR tree-optimization/26622.
1566 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1567 on arg1.
1569 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1571 * tree-cfg.c: Prune whitespace.
1572 (debug_tree_cfg): Point to correct header containing the
1573 TDF_* defines.
1575 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1577 PR middle-end/25776
1578 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1580 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1582 PR middle-end/25776
1583 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1584 or sorry count is non zero.
1586 2006-05-20 Andreas Schwab <schwab@suse.de>
1588 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1590 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1591 Kenneth Zadeck <zadeck@naturalbridge.com>
1593 PR rtl-optimization/26855
1595 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1596 multiword refs.
1597 (df_scan_alloc): Added code to properly handle multiword hard
1598 registers and add all_blocks parameter.
1599 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1600 code to properly handle multiword hard registers.
1601 (df_rescan_blocks): Added code to remove deleted blocks from
1602 bitmap.
1603 (df_ref_create_structure, df_ref_record): Added code to properly
1604 handle subregs.
1605 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1606 and set DF_REF_PARTIAL.
1607 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1608 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1609 (df_scan_add_problem): Added flags parameter.
1610 (df_ref_create_structure): Changed switching structure.
1611 (df_bb_refs_record): Fixed case where duplicate artificial refs
1612 were created. Changed location of flags.
1613 (df_record_entry_block_defs): Added code to make stack pointer
1614 live in entry block. Refined cases where frame pointer is needed.
1615 Changed location of flags.
1616 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1617 (df_set_state): Removed function.
1618 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1619 df_insn_create_insn_record, df_insn_refs_delete,
1620 df_ref_create_structure): Formatting changes.
1621 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1622 df_delete_basic_block): New function.
1623 (df_init): Changed location of flags.
1624 (df_add_problem): Added flags parameter and the way flags are
1625 processed.
1626 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1627 debug_df_chain): Improved debugging output.
1628 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1629 (df_refs_chain_dump): Removed df parameter.
1630 (df_iterative_dataflow): Added consistency check.
1631 (df_prune_to_subcfg): Made public.
1632 (df_analyze_problem): Added blocks_to_init parameter and made
1633 public.
1634 (df_ref_record, df_bb_refs_record, df_mark_reg,
1635 df_record_exit_block_uses): Whitespace changes.
1636 (df_dump): Whitespace changes.
1637 * df.h: Some reordering to remove forward references.
1638 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1639 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1640 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1641 (dataflow.flags): New field.
1642 (df.flag): Deleted field.
1643 (df_alloc_function): Added additional bitmap parameter.
1644 (df_dependent_problem_function): New type.
1645 (df_problem.changeable_flags): New field.
1646 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1647 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1648 (df_mw_hardreg): New struct.
1649 (DF_INSN_UID_MWS): New macro.
1650 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1651 parameter.
1652 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1653 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1654 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1655 (df_set_state): Removed function.
1656 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1657 * df-problems.c (df_chain_dump): Removed df parameter.
1658 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1659 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1660 parameter.
1661 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1662 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1663 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1664 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1665 DF_REF_MUST_CLOBBER cases.
1666 (df_ru_bb_local_compute_process_def,
1667 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1668 df_lr_bb_local_compute, df_ur_bb_local_compute,
1669 df_chain_create_bb): Made subreg aware.
1670 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1671 df_lr_bb_local_compute, df_lr_bb_local_compute,
1672 df_chain_create_bb): Cleanup to use proper macros.
1673 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1674 code to fixup bitvectors.
1675 (df_ri_alloc): Cleared lifetime.
1676 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1677 df_create_unused_note): New function.
1678 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1679 REG_DEAD and REG_UNUSED notes as well as register information.
1680 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1681 df_chains_dump): Fixed crash if problem was never run.
1682 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1683 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1684 df_ri_add_problem): Processes flags in uniform manner.
1685 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1686 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1687 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1688 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1689 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1690 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1691 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1692 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1693 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1694 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1695 * see.c (see_initialize_data): Ditto.
1696 * final.c (rest_of_clean_state) Added regstack_completed.
1697 * rtl.h (regstack_completed): Ditto.
1698 * reg-stack.c (regstack_completed): Ditto.
1700 2006-05-19 Mike Stump <mrs@apple.com>
1702 * c-tree.h (default_conversion): Remove.
1703 * c-common.h (default_conversion): Add.
1705 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1707 * tree-vrp.c (valid_value_p): New function.
1708 (adjust_range_with_scev): Fail if the value of bound is not
1709 simple.
1711 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1713 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1714 (mips_fallback_frame_state): Use syscall numbers to determine
1715 the appropriate li instruction for the current ABI. Only use
1716 __NR_sigreturn for o32.
1718 2006-05-19 Nicolas Setton <setton@adacore.com>
1720 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1721 * langhooks.c (lhd_dwarf_name): New function.
1722 * langhooks-def.h (lhd_dwarf_name): Declare.
1723 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1724 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1725 * ada/misc.c (gnat_dwarf_name): New function.
1726 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1728 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1730 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1731 libgcc2.h.
1732 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1733 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1734 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1735 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1736 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1737 determine the size of Wtype, etc.
1738 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1739 (swfloatfuncs): New variable.
1740 (dwfloatfuncs): Likewise.
1741 (lib2funcs): Remove floating-point conversion functions from
1742 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1743 the set of conversion routines needed. Allow entries to specify
1744 an object name, filename and word size. Update users accordingly.
1745 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1746 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1748 Revert:
1750 2006-02-08 Roger Sayle <roger@eyesopen.com>
1752 PR target/22209
1753 * config/fixtfdi.c: New libgcc source file.
1754 * config/fixunstfdi.c: New source file.
1755 * config/floatditf.c: New source file.
1756 * config/floatunditf.c: New souce file.
1757 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1758 files above instead of config/mips/_tilib.c.
1759 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1761 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1763 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1764 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1766 2006-05-18 Mike Stump <mrs@apple.com>
1768 Fix up vla, vm and [*] sematics.
1770 PR c/18740
1771 PR c/7948
1772 PR c/25802
1773 PR c/27673
1774 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1775 (c_vla_unspec_p): Add.
1776 (c_vla_type_p): Add.
1777 * c-decl.c (struct c_scope): Add had_vla_unspec.
1778 (build_array_declarator): Add support for [*].
1779 (grokdeclarator): Likewise.
1780 (grokparms): Likewise.
1781 (get_parm_info): Likewise.
1782 * c-objc-common.c (c_vla_unspec_p): Likewise.
1783 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1784 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1785 typeof when argument is a variably modified type not inside sizeof or alignof.
1786 (c_parser_direct_declarator_inner): Propagate errors.
1787 (c_parser_sizeof_expression): Add support for [*].
1788 (c_parser_parms_declarator): Initialize had_vla_unspec.
1789 (c_parser_parms_list_declarator): Likewise.
1790 * c-typeck.c (c_vla_type_p): Add.
1791 (composite_type): Add support for vla compositing.
1792 (comptypes_internal): Add support for vla compatibility.
1793 (c_expr_sizeof_expr): Evaluate vla arguments.
1794 * tree.c (variably_modified_type_p): Update comment for [*].
1796 2006-05-18 Michael Matz <matz@suse.de>
1798 PR target/27599
1799 * config.host: Make assignments to host_xmake_file cumulative.
1800 * config.host (*-darwin*): Test $host, not $target.
1802 2006-05-12 Stuart Hastings <stuart@apple.com>
1804 * config/i386/i386.opt (-mstackrealign): New flag.
1805 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1806 (ix86_handle_cconv_attribute): Emit error when
1807 force_align_arg_pointer attribute collides with too many regparms.
1808 (ix86_function_regparm): Limit regparms when used with
1809 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1810 Support stack-realigning prologue in non-main functions. Emit
1811 warning for nested functions under -mstackrealign, emit error for
1812 nested functions with force_align_arg_pointer attribute.
1813 * doc/extend.texi (force_align_arg_pointer): Document it.
1814 * doc/invoke.texi (-mstackrealign): Document it.
1816 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1818 PR rtl-optimization/27477
1819 * combine.c (try_combine): Don't split a parallel consisting
1820 of two sets into two individual sets if both sets reference
1821 cc0.
1823 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1825 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1826 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1828 * doc/options.texi (VarExists): Updated.
1830 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1832 * unwind-dw2.c: Add declarations for uw_update_context and
1833 uw_frame_state_for.
1834 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1835 detected, advance frame state and context once to skip over stub.
1837 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1839 PR middle-end/20256
1840 PR middle-end/26435
1841 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1842 Call rewrite_into_loop_closed_ssa only when something changed.
1843 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1844 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1845 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1846 Test for perfect_nest_p here. Fix formating.
1847 (replace_uses_equiv_to_x_with_y): Fix formating.
1848 (stmt_uses_op): Removed.
1849 (can_convert_to_perfect_nest): Removed loopivs parameter.
1850 Complete the test by checking the scalar dependences.
1851 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1852 Fix formating.
1854 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1856 PR bootstrap/22541
1857 From Dan Kegel <dank@kegel.com>:
1858 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1860 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1862 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1863 if the element type is variably modified without recursing.
1865 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1867 PR middle-end/27332
1868 * tree-loop-linear.c (try_interchange_loops): Test for
1869 no data dependences.
1871 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1873 PR tree-optimization/27548
1874 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1875 range of ssa names that appear on abnormal edges.
1876 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1877 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1879 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1881 PR middle-end/27620
1882 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1884 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1886 PR middle-end/27415
1887 * tree.h (OMP_PARALLEL_COMBINED): Define.
1888 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1889 (new_omp_context): Add is_combined_parallel argument.
1890 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1891 new_omp_context caller.
1892 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1893 Adjust gimplify_scan_omp_clauses callers.
1894 (omp_is_private): Issue errors if iteration variable is firstprivate
1895 or reduction in the current context.
1896 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1897 on combined parallel workshare constructs.
1899 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1901 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1902 (gcc-options.o): New rule.
1904 * optc-gen.awk: Protect variables for gcc-options.o with
1905 #ifdef GCC_DRIVER/#endif.
1907 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1909 Fix PR tree-optimization/27373
1910 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1911 (forward_propagate_addr_expr): Update call.
1913 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1915 * doc/options.texi: Move the Negative option.
1917 2006-05-16 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/22303
1920 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1921 from STRING_CSTs.
1922 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1923 ccp_fold did not simplify the statement.
1925 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1927 PR driver/26885
1928 * Makefile.in (GCC_OBJS): New.
1929 (OBJS-common): Add opts-common.o.
1930 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1931 (cpp$(exeext)): Likewise.
1932 (gcc.o): Also depend on opts.h.
1933 (opts-common.o): New.
1935 * common.opt (gcoff): Add Negative(gdwarf-2).
1936 (gdwarf-2): Add Negative(gstabs).
1937 (gstabs): Add Negative(gstabs+).
1938 (gstabs+): Add Negative(gvms).
1939 (gvms): Add Negative(gxcoff).
1940 (gxcoff): Add Negative(gxcoff+).
1941 (gxcoff+): Add Negative(gcoff).
1942 * config/i386/i386.opt (m32): Add Negative(m64).
1943 (m64): Add Negative(m32).
1945 * doc/options.texi: Document the Negative option.
1947 * gcc.c: Include "opts.h".
1948 (main): Call prune_options after expandargv.
1950 * optc-gen.awk: Generate common declarations for all flag
1951 variables in options.c. Output the neg_index field.
1953 * opts.c (find_opt): Moved to ...
1954 * opts-common.c: Here. New file.
1956 * opts.h (cl_option): Add a neg_index field.
1957 (find_opt): New.
1958 (prune_options): Likewise.
1960 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1962 PR middle-end/27573
1963 * omp-low.c (expand_omp_parallel): Don't assert
1964 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1965 instead search for it.
1967 PR c/27499
1968 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1969 is signed.
1971 2006-05-16 Andreas Schwab <schwab@suse.de>
1973 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1974 defmac.
1976 2006-05-15 Roger Sayle <roger@eyesopen.com>
1978 PR target/26600
1979 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1980 integer constants other than zero are only legitimate on TARGET_64BIT.
1981 <CONST_VECTOR> Only zero vectors are legitimate.
1982 (ix86_cannot_force_const_mem): Integral and vector constants can
1983 always be put in the constant pool.
1985 2006-05-16 DJ Delorie <dj@redhat.com>
1987 * crtstuff.c (__dso_handle): Set section from
1988 TARGET_LBIGCC_SDATA_SECTION if defined.
1989 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1990 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1992 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1994 PR target/27599
1995 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1996 host_xmake_file.
1998 2006-05-16 Ben Elliston <bje@au.ibm.com>
2000 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2002 2006-05-15 Per Bothner <per@bothner.com>
2004 * tree.c: (last_annotated_node): Use source_locus typedef.
2005 This permits bootstrapping with --enable-mapped-location.
2007 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2009 PR tree-optimization/26830
2010 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2011 (info_for_ssa_name, current_info_for_ssa_name_age,
2012 blocks_to_update): New variables.
2013 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2014 (clear_ssa_name_info, initialize_flags_in_bb,
2015 mark_block_for_update): New functions.
2016 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2017 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2018 prepare_def_site_for): Use mark_block_for_update.
2019 (mark_def_interesting): Assert that the processed block is marked in
2020 blocks_to_update. Do not take blocks argument.
2021 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2022 argument.
2023 (rewrite_update_init_block, rewrite_update_stmt): Only process
2024 blocks with statements to rewrite.
2025 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2026 (update_ssa): Initialize and free blocks_to_update. Do not
2027 clear flags on statements. Do not use blocks bitmap.
2028 * tree.h (SSA_NAME_AUX): Removed.
2029 (struct tree_ssa_name): Removed aux field.
2030 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2032 2006-05-15 Richard Guenther <rguenther@suse.de>
2034 PR tree-optimization/27603
2035 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2036 Do computations in original type.
2038 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2040 * see.c: Code style changes such as redundant paranthesis,
2041 redundant intialization of local variables etc.
2042 (see_main): Declared now as static.
2043 * doc/invoke.texi: Update that -fsee is not enabled by
2044 default at -O3.
2046 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2048 * omp-low.c (check_omp_nesting_restrictions): New function.
2049 (scan_omp_1): Call it.
2051 PR middle-end/27416
2052 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2053 construct, return *VAR.
2055 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2057 PR rtl-optimization/27406
2058 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2059 edges.
2061 2006-05-14 Roger Sayle <roger@eyesopen.com>
2063 PR rtl-optimization/27538
2064 * combine.c (expand_compound_operation): Call gen_lowpart
2065 before calling simplify_shift_const.
2067 2006-05-14 Roger Sayle <roger@eyesopen.com>
2069 PR rtl-optimization/22563
2070 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2071 a fixed width bitfield, always force the intermediates into psuedos.
2073 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2075 PR 27501
2076 * mkconfig.sh: Use operator = instead of == for test.
2078 2006-05-13 Nick Clifton <nickc@redhat.com>
2080 * dwarf2out.c (dbx_reg_number): Check return value from
2081 LEAF_REG_REMAP and only use it if it is valid.
2082 (multiple_reg_loc_descriptor): Likewise.
2084 2006-05-13 Richard Guenther <rguenther@suse.de>
2086 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2087 host_xmake_file.
2089 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2091 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2092 information attached to non-INSNs such as NOTEs.
2093 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2095 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2097 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2098 On contraint.
2099 * config/s390/s390.md: Adjust comment describing On constraint.
2101 2006-05-11 Jan Hubicka <jh@suse.cz>
2103 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2104 to be output at -O0.
2106 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2108 PR middle-end/27384
2109 * fold-const.c (size_binop): Move sanity check for arguments to
2110 the beginning of the function.
2112 PR middle-end/27488
2113 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2114 expression.
2116 2006-05-11 Richard Guenther <rguenther@suse.de>
2118 PR middle-end/27529
2119 * fold-const.c (fold_unary): Handle intermediate conversion
2120 to a pointer type like intermediate conversion to an integer
2121 type in folding of (T1)(T2)var to var.
2122 Match the code to the comment in the final conversion for
2123 (T1)(T2)var to (T1)var regarding to type precision. Rather
2124 than disallow T1 being of pointer type, assert that both T1
2125 and var are of pointer type or not. Make sure not to fall
2126 over the frontends lazyness wrt array to pointer decay though.
2128 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2130 * arm.c (arm_struct_value_rtx): Delete.
2131 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2132 (arm_init_cumulative_args): Always initialize nregs to zero.
2134 2006-05-10 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/27532
2137 * tree-object-size.c (plus_expr_object_size): Fix typo.
2139 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2141 PR target/24949
2142 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2143 ashrdi_const, ashrdi3): Use a scratch register.
2145 2006-05-10 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/27302
2148 * fold-const.c (operand_equal_p): For two comparisons,
2149 try comparison of one comparison code swapped if that yields
2150 the same code.
2152 2006-05-10 Ben Elliston <bje@au.ibm.com>
2154 * tree-pretty-print.c (pretty_print_string): No need to handle
2155 '\0' as a special character.
2157 * tree.h: Include "hashtab.h".
2158 (iterative_hash_expr): Use hashval_t in its prototype.
2159 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2161 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2163 PR bootstrap/26872
2164 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2165 (hppa*64*-*-hpux11*): Ditto.
2166 (hppa[12]*-*-hpux11*): Ditto.
2168 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2170 PR target/26545
2171 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2173 2006-05-09 Michael Matz <matz@suse.de>
2175 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2176 host_extra_gcc_objs and host_xmake_file.
2177 (<*-*-linux*>): Don't overwrite host_xmake_file.
2178 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2179 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2180 (host_detect_local_cpu): Declare.
2181 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2182 * config/i386/i386.c (override_options): Handle -mtune=native
2183 as -mtune=generic.
2184 * config/i386/x-i386: New file.
2185 * config/i386/driver-i386.c: New file.
2186 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2187 cpu-type "native".
2189 2006-05-09 Dirk Mueller <dmueller@suse.de>
2190 Richard Guenther <rguenther@suse.de>
2192 PR middle-end/27498
2193 * fold-const.c (fold_read_from_constant_string): Relax check
2194 for matching types to matching modes.
2196 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2198 PR rtl-optimization/27335
2199 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2200 loops.
2202 2006-05-08 Chao-ying Fu <fu@mips.com>
2203 Richard Sandiford <richard@codesourcery.com>
2205 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2206 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2207 * config/mips/mips.md (UNSPEC_SCC): New constant.
2208 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2209 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2210 (mips_emit_compare): Use it.
2211 (mips_expand_vcondv2sf): New function.
2213 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2215 Fix PR tree-optimization/27093
2216 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2217 renaming when they become not-used_alone.
2219 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2221 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2222 relocation and relocation stubs.
2224 2006-05-08 Eric Christopher <echristo@apple.com>
2226 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2227 section for ppc.
2229 2006-05-08 Jan Hubicka <jh@suse.cz>
2231 PR middle-end/24561
2232 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2233 unused static functions are needed.
2235 2006-05-08 Roger Sayle <roger@eyesopen.com>
2237 PR target/27158
2238 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2239 of a reg_equiv_constant if the result is a legitimate constant.
2241 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2243 PR target/27277
2244 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2245 standard 80387 constants, raise the cost to prevent
2246 compress_float_constant() to generate load from memory.
2248 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2250 * config/arm/constraints.md (c): Fix a typo.
2252 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2253 typos.
2255 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2257 PR target/24879
2258 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2259 inline function.
2260 (_mm_mwait): Likewise.
2262 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2263 "mwait".
2264 (sse3_monitor): Make it 32bit only.
2265 (sse3_monitor64): New. 64bit monitor.
2267 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2269 PR target/27421
2270 * config/i386/i386.c (classify_argument): Skip fields with invalid
2271 types.
2273 2006-05-07 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/27409
2276 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2277 Do not try to find zero-sized subvars.
2279 2006-05-07 Richard Guenther <rguenther@suse.de>
2281 PR tree-optimization/27136
2282 * tree-ssa-loop-niter.c (get_val_for): Correct function
2283 comment, assert requirements.
2284 (loop_niter_by_eval): Stop processing if the iterated
2285 value did not simplify.
2287 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2289 * opts.c (flag_see): remove its setting at -O3.
2291 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2293 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2294 * arm/constraints.md: New file.
2295 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2296 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2297 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2298 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2299 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2300 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2301 * arm.md: Include constraints.md.
2302 (thumb_movsi_insn): Use satisfies_constraint_J.
2303 (movhi, movqi): Use satisfies_constraint_I.
2305 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2307 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2308 for atmeg a645 device.
2310 2006-05-06 Richard Guenther <rguenther@suse.de>
2312 PR tree-optimization/27151
2313 * tree-vect-transform.c (vectorizable_condition): Punt on
2314 values that have a different type than the condition.
2316 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2318 PR/21391
2319 * c-parser.c (c_parser_cast_expression): Only insert casts into
2320 hash table if pointer.
2321 * function.c (used_types_insert_helper): Rename from
2322 used_types_insert.
2323 (used_types_insert): Call used_types_insert_helper.
2324 * function.h (used_types_insert): Accept only one argument.
2326 2006-05-05 David Edelsohn <edesohn@gnu.org>
2328 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2329 scratch with output modifier.
2331 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2333 PR target/26481
2334 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2335 with output modifier.
2337 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2339 PR target/26765
2340 * config/mips/mips.c (mips_symbolic_address_p): Return true
2341 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2342 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2344 2006-05-04 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/14287
2347 PR tree-optimization/14844
2348 PR tree-optimization/19792
2349 PR tree-optimization/21608
2350 PR tree-optimization/27090
2351 * tree-ssa-pre.c (try_combine_conversion): New function.
2352 (compute_avail): After constructing the value-handle
2353 expression, use try_combine_conversion to combine NOP_EXPRs
2354 with previous value-handle expressions and use the result if it
2355 is available.
2357 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2359 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2361 2006-05-04 Jan Hubicka <jh@suse.cz>
2363 PR middle-end/25962
2364 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2366 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2368 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2369 that this only matches CONST_INTs. All users changed to VOIDmode
2370 operands.
2372 * config/bfin/bfin.c: Include "optabs.h".
2373 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2374 to do more work.
2375 (enum bfin_builtins): Add a number of fractional and vector builtins.
2376 (bfin_init_builtins): Likewise.
2377 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2378 (safe_vector_operand, bfin_expand_binop_builtin,
2379 bfin_expand_unop_builtin): New functions.
2380 (bfin_expand_builtin): Handle the new builtins.
2381 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2382 __ADSPBLACKFIN__.
2384 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2386 * see.c: New file.
2387 * Makefile.in (OBJS-common): Add see.o.
2388 (see.o): Add dependencies.
2389 * common.opt (fsee): New flag for the see optimization was added.
2390 * opts.c (flag_see): Initialized.
2391 * passes.c (init_optimization_passes, pass_see): New pass.
2392 * rtl.h (see_main): Declaration as extern.
2393 * timevar.def (TV_SEE): New.
2394 * tree-pass.h (pass_see): Declaration as extern.
2395 * invoke.texi (-fsee): Document.
2396 * recog.c (validate_simplify_insn): New function.
2397 * recog.h (validate_simplify_insn): Declaration as extern.
2398 * df-problems.c (df_chain_dump): Check for NULL.
2400 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2401 Daniel Berlin <dberlin@dberlin.org>
2403 * cfgrtl.c (insert_insn_bb_end_new): New function.
2404 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2406 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2408 * df.h (struct web_entry): Moved from web.c.
2409 (union_defs): Declaration as extern.
2410 (unionfind_root): Likewise.
2411 (unionfind_union): Likewise.
2412 * web.c (struct web_entry): Moved to df.h.
2413 (unionfind_root): Remove static declaration.
2414 (unionfind_union): Likewise.
2415 (union_defs): Likewise and generalize to use callback function.
2416 (web_main): Update arguments for union_defs function call.
2418 2006-05-04 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/26447
2421 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2422 produce SSA_NAME copies before the store stmt to avoid
2423 breaking exception handling.
2425 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2427 PR middle-end/27388
2428 * gimplify.c (omp_is_private): If var is shared in some outer context,
2429 return false instead of true. Stop searching on parallel context
2430 boundary.
2432 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2434 PR java/8260
2435 * coverage.c: Use get_gcov_unsigned_t() instead of
2436 unsigned_type_node all over.
2438 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2440 PR tree-optimization/27381
2441 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2442 maintain the same immediate_use links.
2443 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2444 node rather than segfaulting.
2446 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2448 PR fortran/27395
2449 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2450 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2451 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2453 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2455 Fix PR tree-optimization/26626
2456 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2457 always.
2458 * tree-ssa-operands.c (access_can_touch_variable): Allow
2459 typecasting through union pointers.
2461 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2463 PR c++/26943
2464 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2465 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2466 to find if var will be a global variable even in the nested context.
2467 (omp_copy_decl): Only check for global variable at the end, it might
2468 be overridden in outer contexts.
2469 (scan_sharing_clauses): For global variables don't create a field.
2470 (lower_rec_input_clauses): Do nothing for global shared variables.
2471 Emit a barrier at the end of ILIST if there were any decls in both
2472 firstprivate and lastprivate clauses.
2473 (lower_send_clauses): Do nothing for global variables except for
2474 COPYIN.
2476 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2478 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2479 of the correct signedness is returned.
2481 2006-05-02 Jeff Law <law@redhat.com>
2483 PR tree-optimization/27364
2484 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2485 multiply expressions.
2487 2006-05-02 Tom Tromey <tromey@redhat.com>
2489 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2491 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2493 PR target/27387
2494 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2495 -mthumb -fPIC are used.
2497 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2498 Joshua Kinard <kumba@gentoo.org>
2500 PR target/25871
2501 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2502 with 64-bit pointers.
2504 2006-05-02 Paul Brook <paul@codesourcery.com>
2506 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2507 and pool overlap.
2508 (create_fix_barrier): Check that a suitable barrier location is
2509 found.
2510 (arm_reorg): Include ftmp->address in allowable range of addresses.
2512 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2514 PR ada/27366
2515 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2516 on Cygwin.
2518 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2520 PR middle-end/27337
2521 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2522 around RESULT_DECL for result passed by reference.
2523 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2524 * omp-low.c (use_pointer_for_field): Don't look at
2525 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2526 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2527 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2528 time or var for passing by reference for
2529 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2530 TREE_ADDRESSABLE variables when passing by reference.
2532 * omp-low.c (dump_omp_region): Fix output formatting.
2534 PR middle-end/27328
2535 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2536 (expand_omp_parallel): Likewise.
2537 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2539 PR middle-end/27325
2540 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2541 on statement list containing also constructors and destructors.
2542 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2544 PR middle-end/27310
2545 * except.c (duplicate_eh_regions): Fix clearing of
2546 cfun->eh->region_array entries.
2548 2006-05-01 DJ Delorie <dj@redhat.com>
2550 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2551 build!=host.
2552 (gcc_cv_objdump): Likewise.
2553 * configure: Regenerated.
2555 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2557 PR target/27374
2558 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2559 templates for case 3 and 4.
2561 2006-05-01 DJ Delorie <dj@redhat.com>
2563 * vec.c: Include bconfig.h when appropriate.
2564 * Makefile.in (build/vec.o): Adjust dependencies.
2565 * mkconfig.sh: Make sure config.h isn't used for build machine
2566 compiles.
2568 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2570 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2571 variables.
2572 (mark_phi_for_rewrite): New function.
2573 (insert_phi_nodes_for, mark_use_interesting): Call
2574 mark_phi_for_rewrite.
2575 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2576 (update_ssa): Initialize and free phis_to_rewrite.
2578 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2580 PR rtl-optimization/27291
2581 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2582 folded to a constant.
2584 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2586 PR tree-optimization/27283
2587 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2588 not whole # of iteration descriptions.
2589 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2590 uses abnormal ssa name.
2591 (niter_for_single_dom_exit): Ditto.
2592 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2593 return just the number of iterations.
2595 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2597 PR tree-optimization/27144
2598 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2599 (record_estimate): Only record constant upper bound.
2600 (infer_loop_bounds_from_undefined): Call
2601 compute_estimated_nb_iterations just once.
2602 (proved_non_wrapping_p): Renamed to ...
2603 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2604 (convert_step_widening, scev_probably_wraps_p): Call
2605 n_of_executions_at_most instead of proved_non_wrapping_p.
2606 (substitute_in_loop_info): Do not replace values in bounds.
2607 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2608 comments.
2610 2006-05-01 Richard Henderson <rth@redhat.com>
2612 PR c/27358
2613 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2614 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2615 CPP_PRAGMA.
2617 2006-05-01 Roger Sayle <roger@eyesopen.com>
2619 * c-typeck.c (parser_build_binary_op): Don't call the function
2620 unsigned_conversion_warning to spot operand/result type overflow.
2621 (build_binary_op): Instead, call convert_and_check instead of
2622 convert to report the problem when the operands are promoted.
2623 * c-common.c (unsigned_conversion_warning): Make static.
2624 * c-common.h (unsigned_conversion_warning): Delete prototype.
2626 2006-05-01 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/26726
2629 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2630 problem ...
2631 (find_interesting_uses_address): ... we work around here
2632 by folding INDIRECT_REFs in the substituted base.
2634 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2636 * omp-low.c (dump_omp_region): Add newlines.
2638 2006-04-30 Roger Sayle <roger@eyesopen.com>
2640 * common.opt (Woverflow): New command line option.
2641 * c-common.c (constant_expression_warning): Check warn_overflow.
2642 (overflow_waring): Pass OPT_Woverflow to warning.
2643 (unsigned_conversion_warning): Likewise.
2644 (convert_and_check): Likewise.
2645 * doc/invoke.texi: Document new command line option.
2647 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2649 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2650 TARGET_NO_FP_IN_TOC for section anchors.
2651 (optimization_options): Enable section anchors for all
2652 non-"Objective" languages.
2654 2006-04-28 Eric Christopher <echristo@apple.com>
2656 * config/darwin-c.c (darwin_ms_struct): Move this
2657 (darwin_set_default_type_attributes): and this...
2658 * config/darwin.c: ... here.
2659 * config/darwin.h (darwin_ms_struct): Declare.
2661 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2663 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2665 2006-04-28 Roger Sayle <roger@eyesopen.com>
2667 PR c/25309
2668 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2669 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2670 an unsigned HOST_WIDE_INT.
2671 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2672 array index.
2673 (really_start_incremental_init): No need to call convert because
2674 bitsize_zero_node is already of type bitsizetype.
2675 (push_init_level): Extract the value of constructor_index as an
2676 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2677 (process_init_element): Likewise.
2679 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2681 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2682 value before passing to make_relative_prefix.
2684 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2686 PR middle-end/27260
2687 * builtins.c (expand_builtin_memset): Expand val in original mode.
2689 2006-04-27 Eric Christopher <echristo@apple.com>
2691 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2692 with #ifndef/#endif.
2693 * config/darwin-c.c (darwin_ms_struct): New.
2694 (darwin_pragma_ms_struct): Ditto.
2695 (darwin_set_default_type_attributes): Ditto.
2696 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2697 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2698 Register ms_struct pragma.
2699 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2700 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2701 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2702 darwin_set_default_type_attributes if TARGET_MACHO.
2704 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2706 PR tree-optimization/26854
2707 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2708 * doc/tree-ssa.texi: Update immuse iterator documentation.
2709 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2710 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2711 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2712 first_safe_imm_use, next_safe_imm_use): Remove.
2713 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2714 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2715 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2716 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2717 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2718 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2719 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2720 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2721 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2722 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2723 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2724 (perfect_nestify): Use new iterator.
2725 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2726 iterator.
2727 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2728 (next_imm_name): New field in struct immediate_use_iterator_d.
2729 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2730 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2731 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2732 * tree-cfg.c (replace_uses_by): Use new iterator.
2733 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2734 * tree-ssa-operands.c (correct_use_link): Remove.
2735 (finalize_ssa_use_ops): No longer call correct_use_link.
2737 2006-04-27 Stuart Hastings <stuart@apple.com>
2739 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2740 * config/t-darwin (crt3.o): Use it.
2741 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2742 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2743 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2744 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2745 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2746 support.
2748 2006-04-27 Roger Sayle <roger@eyesopen.com>
2750 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2751 size, force the intermediate into a new pseudo rather instead of
2752 performing both a bitwise AND and a bitwise IOR in memory.
2754 2006-04-27 Richard Guenther <rguenther@suse.de>
2756 PR rtl-optimization/26685
2757 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2758 this one "max-flow-memory-locations".
2760 2006-04-27 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/25148
2763 * tree-vrp.c (compare_values): Remove code dealing with
2764 comparisons against type min/max value. Honour overflow
2765 and negative constants in code dealing with comparisons
2766 of plus and minus expressions.
2767 (value_inside_range): Use fold_binary with LE_EXPR and
2768 GE_EXPR rather than compare_values.
2770 2006-04-27 Dirk Mueller <dmueller@suse.de>
2772 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2773 prototype for SSE.
2775 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2777 * basic-block.h (safe_insert_insn_on_edge): Removed.
2778 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2780 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2781 Paolo Bonzini <bonzini@gnu.org>
2783 PR middle-end/27282
2784 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2785 (simplify_and_const_int): Same.
2787 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2789 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2791 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2793 PR c/26171
2794 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2795 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2796 cgraph_global_info_ready.
2798 PR middle-end/26913
2799 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2801 PR c/25996
2802 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2803 either decl or init is error_mark_node.
2805 PR middle-end/25989
2806 * tree-flow.h (struct omp_region): Add sched_kind.
2807 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2808 instead of extracting omp for data.
2809 (expand_omp_for): Save extracted sched_kind.
2811 2006-04-25 Roger Sayle <roger@eyesopen.com>
2813 * expmed.c (store_bit_field): Also check whether the bitsize is
2814 valid for the machine's "insv" instruction before moving the
2815 target into a pseudo for use with the insv.
2816 * config/i386/predicates.md (const8_operand): New predicate.
2817 * config/i386/i386.md (extv, extzv, insv): Use the new
2818 const8_operand predicate where appropriate.
2820 2006-04-25 DJ Delorie <dj@redhat.com>
2822 * doc/install.texi (Specific): Clarify that this is not a list of
2823 supported hosts or targets.
2825 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2827 PR rtl-optimization/26725
2828 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2829 block's BB_DIRTY flag.
2831 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2833 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2834 are no branches.
2836 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2837 to print an integer.
2839 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2841 * varasm.c (align_variable): New function.
2842 (get_block_for_decl): Apply align_variable to DECL before
2843 calculating section information.
2844 (assemble_variable): Split out alignment computation.
2846 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2848 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2849 machines.
2851 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2853 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2854 MODE_PARTIAL_INT mode.
2855 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2856 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2857 for CONST_INTs.
2858 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2859 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2860 V2PDImode.
2861 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2862 New predicates.
2863 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2864 New constants.
2865 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2866 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2867 MACFLAG_IH): Likewise.
2868 (movstricthi_1): Renamed from "*movstricthi".
2869 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2870 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2871 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2872 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2873 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2874 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2875 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2876 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2877 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2878 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2879 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2880 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2881 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2882 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2883 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2885 * doc/rtl.texi (ss_ashift): Improve wording.
2887 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2889 * dwarf2out.c (verify_marks_clear): New.
2890 (prune_unused_types): Call verify_marks_clear initially, not
2891 prune_unmark_dies.
2893 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2895 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2896 * doc/rtl.texi: Document them.
2897 * simplify-rtx.c (simplify_unary_operation,
2898 simplify_binary_operation_1): Don't abort when we see them.
2900 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2902 Revert:
2903 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2904 * configure.ac: Completely disregard languages that are not
2905 enabled.
2906 * configure: Regenerated.
2908 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2909 Richard Guenther <rguenther@suse.de>
2911 PR tree-optimization/27236
2912 * tree-inline.c (copy_body_r): Make sure to copy
2913 TREE_THIS_VOLATILE flag.
2915 2006-04-24 Richard Guenther <rguenther@suse.de>
2917 PR middle-end/26869
2918 * tree-complex.c (update_parameter_components): Don't handle
2919 unused parameters which have no default def.
2921 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2922 Richard Guenther <rguenther@suse.de>
2924 PR tree-optimization/27218
2925 * tree-inline.c (expand_call_inline): Strip useless type
2926 conversions for the return slot address.
2928 2006-04-24 Richard Guenther <rguenther@suse.de>
2930 * cfgloop.h (struct loops): Remove unused field array. Reorder
2931 state after num.
2932 (LOOP_PREFETCH): Remove.
2934 2006-04-24 Richard Guenther <rguenther@suse.de>
2936 PR tree-optimization/22525
2937 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2938 variable, adjust types of generated expressions.
2940 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2942 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2943 (tree-vect-patterns.o): Likewise.
2944 (jump.o): Likewise.
2945 (cselib.o): Likewise.
2946 (loop-doloop.o): Likewise.
2947 (regclass.o): Likewise.
2948 (reload1.o): Likewise.
2949 (explow.o): Replace target.h with $(TARGET_H).
2950 (ipa-prop.o): Likewise.
2951 (ipa-cp.o): Likewise.
2952 (ipa-inline.o): Likewise.
2953 (reorg.o): Likewise.
2954 (reg-stack.o): Likewise.
2956 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2958 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2960 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2962 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2964 * configure.ac: Completely disregard languages that are not
2965 enabled.
2966 * configure: Regenerated.
2968 PR c++/26534
2969 * c-common.h (c_build_bitfield_integer_type): Declare.
2970 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2971 * c-common.c (c_build_bitfield_integer_type): ... here.
2973 2006-04-23 Roger Sayle <roger@eyesopen.com>
2975 PR target/21283
2976 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2977 a SImode SUBREG of a floating point register after no_new_pseudos.
2979 2006-04-23 Roger Sayle <roger@eyesopen.com>
2981 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2982 identify potentially eliminable registers to additionally catch
2983 VIRTUAL_INCOMING_ARGS_REGNUM.
2984 (addsi3): Update the conditions on when to use addsi_small_int.
2986 2006-04-23 Roger Sayle <roger@eyesopen.com>
2988 PR target/16641
2989 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2990 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2991 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2993 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2995 * fold-const.c (range_predecessor): Use operand_equal_p
2996 as the predicate for equality.
2997 (range_successor): Likewise.
2999 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3001 Revert:
3002 * config/soft-fp/op-common.h: Fix a typo.
3004 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3006 PR libmudflap/26864
3007 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3008 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3010 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3012 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3013 Fix comment typos.
3014 * doc/tm.texi: Fix a typo.
3016 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3018 * dwarf2out.c (struct die_struct): Document that die_sib makes
3019 a circular linked list.
3020 (FOR_EACH_CHILD): New.
3021 (reverse_die_lists): Delete.
3022 (reverse_all_dies): Delete.
3023 (add_dwarf_attr): Correct documentation.
3024 (remove_child_with_prev): New.
3025 (remove_child_TAG): Update for change to die_struct, use
3026 remove_child_with_prev.
3027 (add_child_die): Update for change to die_struct.
3028 (splice_child_die): Use remove_child_with_prev and add_child_die.
3029 (print_die): Use FOR_EACH_CHILD.
3030 (die_checksum): Likewise.
3031 (assign_symbol_names): Likewise.
3032 (output_location_lists): Likewise.
3033 (build_abbrev_table): Likewise.
3034 (calc_die_sizes): Likewise.
3035 (mark_dies): Likewise.
3036 (unmark_dies): Likewise.
3037 (unmark_all_dies): Likewise.
3038 (output_die): Likewise.
3039 (prune_unused_types_mark): Likewise.
3040 (prune_unused_types_walk): Likewise.
3041 (same_die_p): Update for change to die_struct.
3042 (break_out_includes): Likewise.
3043 (prune_unused_types_prune): Likewise.
3044 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3045 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3046 it's already clear.
3047 (dwarf2out_finish): Don't call reverse_all_dies.
3049 2006-04-21 Eric Christopher <echristo@apple.com>
3051 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3052 in comments and function names.
3054 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3056 PR c/25875
3057 * c-typeck.c (digest_init): Robustify.
3059 * c-typeck.c (pop_init_level): Simplify.
3061 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3063 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3065 2006-04-21 Paul Brook <paul@codesourcery.com>
3067 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3068 hardware floating point.
3070 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3072 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3073 NON_FLOAT_REGS.
3075 2006-04-21 Nick Clifton <nickc@redhat.com>
3077 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3078 OPT_EXTRA_PARTS.
3080 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3082 PR target/27230
3083 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3084 C++ lang type in traceback table for Objective-C++.
3086 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3088 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3090 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3092 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3094 PR mudflap/26789
3095 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3096 were errors. Remove check for erroneous objects.
3098 2006-04-20 Jeff Law <law@redhat.com>
3100 PR tree-optimization/26854
3101 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3102 checking for zero or one use.
3103 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3104 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3105 * tree-ssa-reassoc.c (negate_value): Similarly.
3106 (reassociate_bb): Similarly.
3108 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3110 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3111 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3112 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3114 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3116 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3117 fp regs if the last fp arg doesn't fit in regs.
3119 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3121 PR target/27182
3122 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3123 that the last insn has the REG_INC note.
3125 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3126 Nathan Sidwell <nathan@codesourcery.com>
3128 PR c/26774
3129 * stor-layout.c (update_alignment_for_field): Do not align
3130 ERROR_MARK nodes.
3131 (place_union_field): Place union field at the start of the union.
3132 (place_field): Move ERROR_MARK check later, and use the current
3133 allocation position to maintain monotonicity.
3135 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3137 * dominance.c: Include timevar.h.
3138 (calculate_dominance_info): Use TV_DOMINANCE.
3139 * timevar.def (TV_DOMINANCE): New timevar.
3140 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3142 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3144 PR rtl-optimization/14261
3145 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3146 move would be an INSV insn.
3147 (noce_process_if_block): Don't optimize if the destination is a
3148 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3150 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3152 * config/s390/s390.md: Add comments with the instructions emitted
3153 by an insn pattern if macros are used.
3155 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3157 PR rtl-optimization/26026
3158 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3159 is a known power of two shifted left a variable amount.
3161 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3163 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3164 to hash table twice when the debug_str section has SECTION_MERGE.
3166 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3168 * config/soft-fp: New directory. From glibc.
3169 * config/soft-fp/t-softfp: New.
3170 * config/soft-fp/README: New.
3171 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3172 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3173 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3174 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3175 * config.gcc: Use rs6000/t-fprules-fpbit or
3176 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3177 rs6000/t-fprules.
3178 * config/rs6000/sfp-machine.h: New. Based on glibc.
3179 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3180 New.
3181 * config/rs6000/t-fprules: Remove fp-bit rules.
3182 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3183 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3184 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3185 (softfp_wrap_start, softfp_wrap_end): New.
3187 2006-04-18 DJ Delorie <dj@redhat.com>
3189 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3191 2006-04-18 Devang Patel <dpatel@apple.com>
3193 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3195 2006-04-18 Nick Clifton <nickc@redhat.com>
3197 * config/sh/t-symbian: Add rule to build sh-c.o
3198 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3199 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3200 (sh_symbian_encode_section_info): Likewise.
3202 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3204 * builtins.c (expand_builtin_strcmp): Cover label definition of
3205 do_libcall with HAVE_cmpstrnsi.
3207 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3209 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3210 instead of VARRAY.
3211 * function.h (temp_slot_p): New.
3212 (function): Change the type of x_used_temp_slots to
3213 VEC(temp_slot_p,gc) *.
3215 2006-04-18 Nick Clifton <nickc@redhat.com>
3217 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3218 flag_strength_reduce.
3220 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3222 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3224 PR target/27117
3226 Partial revert of revision 112637
3227 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3228 Dale Johannesen <dalej@apple.com>
3230 PR target/19653
3231 * regclass.c (struct reg_pref): Update documentation.
3232 (regclass): Set prefclass to NO_REGS if memory is the best option.
3233 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3235 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3237 PR tree-optimization/26821
3238 * tree-ssa-math-opts.c (get_constant_one): New.
3239 (insert_reciprocals): Use it.
3241 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3243 * dwarf2out.c (free_AT): Delete.
3244 (remove_AT): Update string ref counts.
3245 (remove_child_TAG): Don't call free_die.
3246 (free_die): Delete.
3247 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3248 or DW_TAG_GNU_EINCL.
3249 (prune_unused_types_walk_attribs): Reset string refcounts.
3250 (prune_unused_types_update_strings): New.
3251 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3252 call free_die. Do call prune_unused_types_update_strings.
3253 (prune_unused_types): Empty debug_str_hash.
3255 2006-04-17 Roger Sayle <roger@eyesopen.com>
3257 * expr.c (expand_assignment): Optimize away no-op moves where the
3258 source and destination are equal and have no side-effects.
3260 2006-04-17 Richard Guenther <rguenther@suse.de>
3262 PR target/26826
3263 * reload.c (push_reload): Guard calls to get_secondary_mem
3264 for memory subregs.
3266 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3268 * alias.c (reg_base_value, old_reg_base_value): Change the
3269 type to VEC(rtx,gc) *.
3270 (REG_BASE_VALUE, find_base_value, record_set,
3271 init_alias_analysis): Use VEC instead of VARRAY.
3273 * alias.c (alias_sets): Change the type to
3274 VEC(alias_set_entry,gc) *.
3275 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3276 VEC instead of VARRAY.
3277 (last_alias_set): Remove.
3279 * cgraph.h (cgraph_edge_p): New.
3280 Update the prototype of cgraph_function_versioning.
3281 * cgraphunit.c (cgraph_copy_node_for_versioning,
3282 cgraph_function_versioning): Use VEC instead of VARRAY.
3283 * ipa-cp.c (ipcp_insert_stage): Likewise.
3285 2006-04-16 Roger Sayle <roger@eyesopen.com>
3287 PR target/26961
3288 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3289 "A op B" or "A op C", we may need to convert A to the type of B and C.
3291 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3293 * target.h (struct gcc_target): Add mode_rep_extended.
3294 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3295 (init_num_sign_bit_copies_in_rep): Initialize it using
3296 mode_rep_extended.
3297 (truncate_to_mode): Use it.
3298 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3299 * targhooks.h (default_mode_rep_extended): Declare it.
3300 * targhooks.c (default_mode_rep_extended): Define it.
3301 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3302 default_mode_rep_extended.
3303 (TARGET_INITIALIZER): Include it.
3304 * doc/tm.texi (Misc): Document it.
3305 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3306 (mips_truncated_to_mode): New function.
3308 2006-04-16 Roger Sayle <roger@eyesopen.com>
3310 PR middle-end/25474
3311 * expr.c (compress_float_constant): Copy the narrow constant into
3312 a new pseudo before extending it to its final width.
3314 2006-04-16 Roger Sayle <roger@eyesopen.com>
3315 Andrew Pinski <pinskia@gcc.gnu.org>
3316 Dale Johannesen <dalej@apple.com>
3318 PR target/24076
3319 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3320 special case code to implement V8HImode and V16QImode with SSE2.
3322 2006-04-15 Roger Sayle <roger@eyesopen.com>
3324 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3325 trees are constructed with a suitable tree type.
3327 2006-04-15 Roger Sayle <roger@eyesopen.com>
3329 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3330 (integer_onep): Likewise.
3331 (integer_all_onesp): Likewise.
3332 (integer_pow2p): Likewise.
3333 (integer_nonzerop): Likewise.
3334 (real_zerop): Likewise.
3335 (real_onep): Likewise.
3336 (real_twop): Likewise.
3337 (real_minus_onep): Likewise.
3338 (int_size_in_bytes): Likewise.
3339 (host_integerp): Likewise.
3341 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3343 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3344 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3345 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3347 * tree-ssa-structalias.h (alias_info): Remove num_references.
3349 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3351 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3352 (output_bvb patterns): Likewise.
3353 * pa.c (output_bb): Use 'bb' insn for long branch case.
3354 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3355 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3356 1. Correct length operand for alternatives 1 and 2.
3357 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3358 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3360 2006-04-14 Roger Sayle <roger@eyesopen.com>
3362 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3363 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3364 were accidentally reverted by r112959.
3366 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3368 PR middle-end/26823
3369 * except.h (eh_region_outermost): New prototype.
3370 * except.c (eh_region_outermost): New function.
3371 * tree-cfg.c (find_outermost_region_in_block): Use it.
3373 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3375 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3376 of VARRAY.
3377 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3378 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3379 (init_reload, reload): Use VEC instead of VARRAY.
3380 * reload.h: Update the prototype for
3381 reg_equiv_memory_loc_varray.
3383 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3384 Eric Botcazou <ebotcazou@libertysurf.fr>
3386 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3387 register save area.
3389 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3391 PR middle-end/27134
3392 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3393 to expand fallback builtin function call.
3395 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3397 PR middle-end/27095
3398 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3399 and emit libcall here in case the builtin fails.
3400 (expand_builtin_strcmp): Always emit the libcall here on failure.
3402 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3404 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3405 * flow.c (reg_n_info): Change the type to
3406 VEC(reg_info_p,heap) *.
3407 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3408 instead of VARRAY.
3409 * regs.h (reg_info_p): New.
3410 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3411 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3412 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3413 instead of VARRAY.
3415 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3417 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3418 defaulting to 100.
3419 * params.h (MAX_SCHED_READY_INSNS): New macro.
3420 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3421 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3422 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3423 the ready list for 1 cycle during the first scheduling pass.
3424 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3426 2006-04-13 Richard Henderson <rth@redhat.com>
3428 PR libgomp/26651
3429 * gimple-low.c (lower_omp_directive): Remove dead code.
3430 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3431 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3432 * omp-low.c (struct omp_region): Move to tree-flow.h.
3433 (root_omp_region): Export.
3434 (omp_regions, lookup_omp_region): Remove.
3435 (determine_parallel_type): Update for struct omp_region changes.
3436 (dump_omp_region): Dump regions with block numbers.
3437 (new_omp_region): Take type and block instead of stmt; malloc
3438 instead of ggc.
3439 (free_omp_region_1, free_omp_regions): New.
3440 (expand_parallel_call): Take entry_stmt as argument; update for
3441 changes to omp_region.
3442 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3443 (remove_exit_barriers): New.
3444 (expand_omp_parallel): Update for struct omp_region changes.
3445 (expand_omp_synch): Likewise.
3446 (expand_omp): Likewise.
3447 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3448 (expand_omp_for_static_chunk): Likewise.
3449 (expand_omp_for): Likewise.
3450 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3451 (expand_omp_sections): Similarly, with GOMP_sections_end.
3452 (expand_omp_single): New.
3453 (build_omp_regions_1): Update for OMP_CONTINUE.
3454 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3455 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3456 OMP_SECTIONS_SECTIONS.
3457 (lower_omp_single_simple): Don't emit barrier here.
3458 (lower_omp_single_copy): Likewise.
3459 (lower_omp_single): Fix bindings, and lower to straightline now.
3460 (lower_omp_master, lower_omp_ordered): Likewise.
3461 (lower_omp_critical): Likewise.
3462 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3463 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3464 omp edges, free it afterward.
3465 (make_omp_sections_edges): Remove.
3466 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3467 (move_stmt_r): Handle OMP_CONTINUE.
3468 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3469 statement pointers to basic blocks. Add type member.
3470 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3471 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3472 * tree-inline.c (estimate_num_insns_1): Likewise.
3473 * tree-pretty-print.c (dump_generic_node): Likewise.
3474 * tree-ssa-operands.c (get_expr_operands): Likewise.
3475 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3476 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3477 (OMP_CONTINUE): New.
3478 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3479 (OMP_SECTIONS_SECTIONS): Remove.
3480 (OMP_SECTION_LAST): New.
3481 (OMP_RETURN_NOWAIT): New.
3483 2006-04-13 Roger Sayle <roger@eyesopen.com>
3485 * fold-const.c (native_encode_vector, native_interpret_real):
3486 Correct obvious mistakes in the previous check-in.
3488 2006-04-13 Roger Sayle <roger@eyesopen.com>
3490 * fold-const.c (native_encode_expr): New function to encode
3491 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3492 or VECTOR_CST into a specified buffer.
3493 (native_encode_int): New function.
3494 (native_encode_real): New function.
3495 (native_encode_complex): New function.
3496 (native_encode_vector): New function.
3497 (native_interpret_expr): Inverse of native_encode_expr to convert
3498 a target representation into an INTEGER_CST, REAL_CST etc...
3499 (native_interpret_int): New function.
3500 (native_interpret_real): New function.
3501 (native_interpret_complex): New function.
3502 (native_interpret_vector): New function.
3503 (fold_view_convert_expr): New function to constant fold/evaluate
3504 a VIEW_CONVERT_EXPR of a suitable constant expression.
3505 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3506 Change call of build1 to fold_build1 when constructing a
3507 VIEW_CONVERT_EXPR.
3509 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3510 Ulrich Weigand <uweigand@de.ibm.com>
3512 PR target/27006
3513 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3514 to be even.
3516 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3518 PR target/26459
3519 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3520 optimize to lo_sum for DFmode if !TARGET_FPRS.
3522 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3524 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3525 delete_alias_info, compute_flow_sensitive_aliasing,
3526 group_aliases): Use VEC instead of VARRAY.
3527 * tree-ssa-structalias.c (update_alias_info): Likewise.
3528 * tree-ssa-structalias.h (alias_info): Change the type of
3529 processed_ptrs to VEC(tree,heap) *.
3531 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3533 PR target/27060
3534 * config/sh/lib1funcs.h: New file, broken out of:
3535 * config/sh/lib1funcs.asm.
3536 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3537 New macros.
3538 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3539 * config/sh/lib1funcs-Os-4-200.asm: New file.
3540 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3541 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3542 (EXTRA_MULTILIB_PARTS): Include it.
3543 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3544 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3545 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3546 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3547 TARGET_SH2.
3549 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3551 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3552 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3553 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3554 VARRAY.
3555 * tree-ssa-live.h: Include vecprim.h.
3556 (tree_partition_associator_d): Change the type of
3557 first_partition to VEC(int,heap) *.
3558 (tpa_first_partition): Use VEC instead of VARRAY.
3560 * Makefile.in (GTFILES): Move functions.h after tree.h.
3561 * function.c (reset_block_changes, record_block_change,
3562 check_block_change, free_block_changes): Use VEC instead of
3563 VARRAY.
3564 * function.h (function): Change the type of
3565 ib_boundaries_block to VEC(tree,gc) *.
3566 * tree-inline.c (copy_cfg_body): Initialize
3567 ib_boundaries_block to NULL instead of (varray_type) 0.
3569 2006-04-12 Roger Sayle <roger@eyesopen.com>
3571 * expr.c (emit_group_store): Correct operand order in call to
3572 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3573 a SUBREG_BYTE of zero.
3575 2006-04-12 Richard Guenther <rguenther@suse.de>
3577 * profile.c (compute_branch_probabilities): Remove code
3578 encapsulated in !ir_type (), which are remanents of the
3579 removed RTL profiling code.
3580 * rtl-profile.c: Remove.
3582 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3584 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3585 magic NULL_RTX comment.
3586 (function_arg): Store entire fp arg to mem if any part should go
3587 on stack.
3588 (rs6000_arg_partial_bytes): Adjust for above change.
3590 2006-04-11 Roger Sayle <roger@eyesopen.com>
3592 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3593 if it hasn't been initialized by dwarf2out_init.
3595 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3597 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3598 symbolic constants in branch patterns.
3600 2006-04-11 Roger Sayle <roger@eyesopen.com>
3602 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3604 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3606 PR rtl-optimization/27073
3607 * gcse.c (try_replace_reg): Revert last change. Continue to search
3608 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3609 on the former.
3611 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3613 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3614 aggregate types other than record and union types.
3615 (function_arg): Likewise.
3616 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3617 small arrays.
3618 (function_value): In 64-bit mode, return objects that require it
3619 in FP registers.
3621 2006-04-11 Roger Sayle <roger@eyesopen.com>
3623 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3625 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3627 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3629 2006-04-03 Jeff Law <law@redhat.com>
3631 PR/27087
3632 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3633 alias information too.
3635 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3637 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3639 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3641 PR/21391
3642 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3643 (premark_used_types_helper): New.
3644 (premark_used_types): New.
3645 (gen_subprogram_die): Call premark_used_types.
3646 (prune_unused_types_walk): Do not prune perennial dies.
3647 * function.c (used_types_insert): New.
3648 * function.h (struct function): Add used_types_hash field.
3649 (used_types_insert): Add prototype.
3650 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3651 * c-parser.c (c_parser_cast_expression): Save casted types in used
3652 types hash table.
3654 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3656 PR target/26459
3657 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3658 rs6000_explicit_options.float_gprs.
3660 2006-04-10 Roger Sayle <roger@eyesopen.com>
3662 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3663 from ix86_expand_vector_init_low_nonzero. Take an additional
3664 one_var argument indicating which element is non-zero. Support
3665 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3666 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3667 with one_var instead of ix86_expand_vector_init_low_nonzero.
3669 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3671 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3672 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3673 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3674 build/genextract.o): Depend on vecprim.h.
3675 * cfglayout.c, df-problems.c, function.c, genextract.c,
3676 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3677 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3678 vecprim.h.
3679 * vecprim.h: New.
3681 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3683 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3684 Declare VECs of this type.
3685 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3686 (remove_children): Delete.
3687 (add_dwarf_attr): Use VEC routines.
3688 (add_AT_flag): Update for changes to add_dwarf_attr.
3689 (add_AT_int): Likewise.
3690 (add_AT_unsigned): Likewise.
3691 (add_AT_long_long): Likewise.
3692 (add_AT_vec): Likewise.
3693 (add_AT_string): Likewise.
3694 (add_AT_die_ref): Likewise.
3695 (add_AT_fde_ref): Likewise.
3696 (add_AT_loc): Likewise.
3697 (add_AT_loc_list): Likewise.
3698 (add_AT_addr): Likewise.
3699 (add_AT_lbl_id): Likewise.
3700 (add_AT_lineptr): Likewise.
3701 (add_AT_macptr): Likewise.
3702 (add_AT_offset): Likewise.
3703 (add_AT_range_list): Likewise.
3704 (get_AT): Use VEC_iterate.
3705 (remove_AT): Use VEC_ordered_remove.
3706 (free_die): Fold remove_children into here; have it use VEC_iterate.
3707 (print_die): Use VEC_iterate on attrs.
3708 (reverse_die_lists): Don't reverse attr lists.
3709 (die_checksum): Use VEC_iterate on attrs.
3710 (same_die_p): Likewise.
3711 (output_location_lists): Likewise.
3712 (build_abbrev_table): Likewise.
3713 (size_of_die): Likewise.
3714 (unmark_all_dies): Likewise.
3715 (output_abbrev_section): Likewise.
3716 (output_die): Likewise.
3717 (prune_unused_types_walk_attribs): Likewise.
3719 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3721 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3723 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3725 PR debug/27057
3726 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3728 2006-04-09 Roger Sayle <roger@eyesopen.com>
3730 * expr.c (store_constructor): Don't bother clearing target if
3731 we're about to assign a vector to it using vec_init_optab.
3733 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3735 * tree-ssa-alias.c (lhs_may_store_to): New function.
3736 (recalculate_used_alone): Handle LHS of calls.
3738 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3740 PR target/27034
3741 PR target/26508
3742 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3743 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3744 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3745 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3746 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3747 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3748 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3749 stubs. Add ".align 8" directives before all ".dword" directives.
3750 (GTHREAD_USE_WEAK): Revise comment.
3751 (TARGET_ATTRIBUTE_WEAK): Define.
3752 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3753 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3754 * stublib.c: New file.
3756 PR target/26743
3757 PR target/11254
3758 PR target/10274
3759 * pa.md (cbranch patterns): Revise arguments used in calls to
3760 output_cbranch, output_bb and output_bvd. Add long branch length
3761 attributes.
3762 (fbranch patterns): Handle long branches.
3763 (jump): Revise length check. Revise arguments for output_lbranch call.
3764 Add long branch length attributes.
3765 (decrement_and_branch_until_zero): Add long branch length attributes.
3766 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3767 Likewise. Revise arguments for output_parallel_addb and
3768 output_parallel_movb calls.
3769 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3770 output_parallel_movb and output_parallel_addb): Update prototypes.
3771 * pa.c (output_cbranch): Revise arguments. Correct handling of
3772 nullification in long branches.
3773 (output_lbranch): Add new argument to control extraction of delay
3774 instruction.
3775 (output_bb): Handle long branches.
3776 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3777 output_parallel_addb): Likewise.
3779 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3781 PR rtl-optimization/27073
3782 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3783 not REG_EQUIVs.
3785 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3787 * tree.h (tree_memory_tag): Add old_used_alone.
3788 (SMT_OLD_USED_ALONE): New macro.
3789 * tree-ssa-alias.c (recalculate_used_alone): Stop
3790 marking things for renaming unnecessarily.
3792 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3794 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3795 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3796 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3797 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3798 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3799 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3800 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3801 spelling convensions.
3802 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3803 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3804 typos. Follow spelling conventions.
3806 2006-04-07 DJ Delorie <dj@redhat.com>
3808 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3809 passed on the stack.
3810 (m32c_init_cumulative_args): When a function returns a structure,
3811 always pass the pointer to that return area on the stack.
3812 (m32c_function_arg_advance): Don't increment the parameter number
3813 if we're processing the returned structure pointer.
3814 (pushm_info): Reverse order of registers.
3816 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3818 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3819 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3820 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3821 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3822 build_int_cst_type.
3823 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3824 chrec_fold_multiply): Same.
3825 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3826 force_expr_to_var_cost): Same.
3827 * tree-mudflap.c (mf_xform_derefs_1): Same.
3828 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3830 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3832 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3833 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3834 insn.
3836 2006-04-07 Jan Hubicka <jh@suse.cz>
3838 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3840 2006-04-07 Richard Guenther <rguenther@suse.de>
3842 PR tree-optimization/26135
3843 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3844 loads for store copy-prop.
3845 (copy_prop_visit_stmt): Likewise.
3847 2006-04-05 Robert Millan <robertmh@gnu.org>
3849 * config/i386/linux.h: Add a comment to mark macros that are
3850 being overriden in config/k*bsd-gnu.h.
3851 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3852 DYNAMIC_LINKER.
3853 * config/knetbsd-gnu.h: Ditto.
3855 2006-04-06 Jan Hubicka <jh@suse.cz>
3857 PR profile/20815
3858 PR profile/26399
3859 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3860 after buffer.
3862 2006-04-06 Mike Stump <mrs@apple.com>
3864 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3865 for HAVE_nonlocal_goto to be consistent.
3866 (expand_builtin_nonlocal_goto): Likewise.
3867 (expand_builtin_strcmp): Use #ifdef instead of #if
3868 for HAVE_cmpstrnsi to be consistent.
3870 2006-04-05 DJ Delorie <dj@redhat.com>
3872 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3873 vs m32c.
3875 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3877 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3878 got-relative addressing for anything but SImode.
3880 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3881 even if the calling function doesn't modify them.
3883 2006-04-05 Richard Guenther <rguenther@suse.de>
3885 PR tree-optimization/26919
3886 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3887 to cgraph_estimate_size_after_inlining.
3889 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3891 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3893 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3895 PR tree-optimization/26996
3896 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3897 VECTOR_TYPE variables.
3899 2006-04-05 Richard Guenther <rguenther@suse.de>
3901 PR tree-optimization/26763
3902 * fold-const.c (fold_comparison): Move folding of
3903 PTR + CST CMP PTR + CST ...
3904 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3906 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3908 * doc/install.texi (Prerequisites): Refine some wording on
3909 bootstrapping and ksh.
3910 Move the version numbers of DejaGnu here from the testing section
3911 and fix casing of names.
3912 Fix markup and clarify wording for autogen requirements.
3913 Refer to GCJ instead of just java.
3914 Refer to SVN instead of CVS.
3915 Describe diffutils as useful instead of necessary.
3916 (Downloading the source): Refer to SVN instead of CVS.
3917 Adjust a link to our web site accordingly.
3918 (Configuration): Fix casing of Bison.
3919 (Building): Refer to SVN instead of CVS.
3920 Fix a sentence on the use of Bison and remove duplicate (and
3921 incorrect) version number of Bison requirement.
3922 Remove one redundant list of packages needed for building.
3923 (Specific): Avoid reference to CVS.
3925 2006-04-04 Eric Christopher <echristo@apple.com>
3927 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3928 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3929 (rs6000_handle_struct_attribute): New.
3930 (rs6000_ms_bitfield_layout_p): Ditto.
3932 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3934 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3935 NULL for dso parameter to atexit_common.
3937 2006-04-04 Eric Christopher <echristo@apple.com>
3939 * config/i386/i386.c (machopic_output_stub): Output \t
3940 between instructions and operands.
3942 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3944 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3945 satisfies_constraint_[IL] to explicit tests on value.
3947 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3949 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3950 set_nb_iterations_in_loop): Use build_int_cst instead of
3951 build_int_cst_type.
3952 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3953 build_int_cst instead of convert.
3955 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3957 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3958 new value 2 for incoming.
3959 * function.c (expand_function_start): Call struct_value_rtx
3960 with incoming as 2.
3961 * config/sparc/sparc.md: Comment updated_return.
3962 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3963 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3964 struct return if sparc_std_struct_return and incoming is 2.
3965 (print_operand): Do not adjust return if
3966 sparc_std_struct_return.
3968 2006-04-04 Roger Sayle <roger@eyesopen.com>
3970 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3971 convert in the middle-end.
3972 * expr.c (store_expr, store_constructor, get_inner_reference,
3973 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3974 Likewise.
3975 * tree.c (build_range_type): Likewise.
3977 2006-04-04 Tom Tromey <tromey@redhat.com>
3979 * doc/install.texi (Prerequisites): Mention jar.
3981 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3983 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3984 subsection.
3986 2006-04-04 Matthias Klose <doko@debian.org>
3988 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3989 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3990 strings.
3992 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3994 * doc/extend.texi (Function Attributes): Rewrite visibility
3995 attribute documentation.
3996 * doc/invoke.texi (C++ Dialect Options): Rewrite
3997 -fvisibility-inlines-hidden documentation to describe something
3998 entirely different, although in practise compatible.
3999 (Code Gen Options): Warn about system headers in -fvisibility=
4000 documentation.
4002 * doc/extend.texi (Other Builtins): Document that
4003 __builtin_nan is a compile-time constant only when its argument
4004 is valid.
4006 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4008 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4009 trying to remove TRUNCATE check if all bits outside the new mode
4010 are identical to the sign bit.
4012 2006-04-03 Jeff Law <law@redhat.com>
4014 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4015 and operand scanning in some common cases.
4017 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4018 Dale Johannesen <dalej@apple.com>
4020 PR target/19653
4021 * regclass.c (struct reg_pref): Update documentation.
4022 (regclass): Set prefclass to NO_REGS if memory is the best option.
4023 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4024 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4025 into account. For non-registers, equate an empty preferred
4026 reload class to a `!' in the constraint; move the if clause to
4027 do so after those that reject the insn.
4028 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4029 return NO_REGS.
4030 (find_dummy_reload): Likewise.
4031 * doc/tm.texi (Register Classes): Document what it means
4032 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4033 * config/i386/i386.c (ix86_preferred_reload_class): Force
4034 using SSE registers (and return NO_REGS for floating-point
4035 constants) if math is done with SSE.
4036 (ix86_preferred_output_reload_class): New.
4037 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4038 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4039 * config/i386/i386.md: Remove # register preferences.
4041 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4043 PR bootstrap/26992
4044 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4045 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4046 the type of nb_iter.
4047 (instantiate_parameters_1): Convert the operands before calling
4048 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4049 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4051 2006-04-02 Roger Sayle <roger@eyesopen.com>
4053 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4054 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4055 instead of convert.
4056 * dojump.c (do_jump): Likewise.
4057 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4058 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4059 gimplify_boolean_expr): Likewise.
4060 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4061 * varasm.c (array_size_for_constructor): Likewise.
4062 * tree-object-size.c (compute_object_offset): Likewise.
4064 2006-04-02 Roger Sayle <roger@eyesopen.com>
4066 PR middle-end/26977
4067 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4068 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4070 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4072 PR tree-optimization/26939
4073 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4075 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4077 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4078 at_stmt. Convert the type of operands before calling
4079 build_polynomial_chrec.
4080 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4081 add_to_evolution_1.
4082 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4083 (instantiate_parameters_1): Convert the type of operands before calling
4084 build_polynomial_chrec.
4085 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4086 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4087 reset_evolution_in_loop): Insert asserts to check the types of the
4088 operands.
4089 (chrec_type): Moved...
4090 (eq_evolutions_p): Use operand_equal_p.
4091 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4092 the types of the operands.
4093 (chrec_type): ...here.
4094 * tree-data-ref.c (create_data_ref): Convert the operands before
4095 calling chrec_replace_initial_condition.
4096 (same_access_functions, analyze_subscript_affine_affine,
4097 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4098 (compute_subscript_distance, analyze_ziv_subscript,
4099 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4100 analyze_miv_subscript): Convert the operands before calling
4101 chrec_fold_minus or chrec_fold_plus.
4103 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4105 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4106 the dependence_relations vector.
4107 (compute_data_dependences_for_loop): Adjust call to
4108 compute_all_dependences.
4110 2006-04-01 Roger Sayle <roger@eyesopen.com>
4111 Richard Henderson <rth@redhat.com>
4113 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4114 gimple_boolify on the condition before calling gimplify_expr.
4116 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4118 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4119 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4120 the frame size. Update to use the new macros.
4121 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4122 * config/xtensa/ieee754-df.S: Likewise.
4124 2006-03-31 Richard Henderson <rth@redhat.com>
4126 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4127 (make_edges): ... here. Control fallthru creation with a local
4128 variable. Do not play with fake edges.
4129 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4130 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4131 a boolean.
4133 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4135 * dwarf2.h (DW64_CIE_ID): Define.
4136 * dwarf2out.c (DWARF_CIE_ID): Define.
4137 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4138 length header. Use DWARF_CIE_ID.
4139 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4140 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4142 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4144 * config/sh/linux-atomic.asm: New file.
4145 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4147 2006-03-31 DJ Delorie <dj@redhat.com>
4149 * config/m32c/cond.md: Set condition flags properly throughout.
4150 * config/m32c/minmax.md: Likewise.
4151 * config/m32c/prologue.md: Likewise.
4152 * config/m32c/bitops.md: Likewise.
4153 * config/m32c/muldiv.md: Likewise.
4154 * config/m32c/mov.md: Likewise.
4155 * config/m32c/addsub.md: Likewise.
4156 * config/m32c/m32c.md: Likewise.
4157 * config/m32c/jump.md: Likewise.
4158 * config/m32c/shift.md: Likewise.
4160 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4161 conditionally output the pattern for this.
4162 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4163 (m32c_compare_redundant): New.
4164 (m32c_output_compare): New.
4165 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4167 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4168 dest, not src. Allow other 4-byte modes.
4170 2006-03-30 Denis Chertykov <denisc@overta.ru>
4172 * doc/md.texi: Refer to avr/constraints.md instead of
4173 avr/avr.h.
4175 2006-03-30 Roger Sayle <roger@eyesopen.com>
4177 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4178 signed vs. unsigned comparison failures on some hosts.
4180 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4182 PR target/26459
4183 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4184 change to FLOAT_REGS.
4186 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4187 (rs6000_override_options): Use it.
4188 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4189 only for -mabi=spe/no-spe and -mabi=altivec.
4191 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4193 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4194 !Zdynamiclib.
4196 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4198 * Makefile.in: Rename docdir to gcc_docdir.
4200 2006-03-30 Roger Sayle <roger@eyesopen.com>
4202 PR target/17959
4203 * expr.c (emit_group_store): Optimize group stores into a pseudo
4204 register by using a paradoxical subreg to initialize the destination
4205 if the first or last member of the group specifies a "low part".
4207 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4209 PR target/26734
4210 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4211 * target.h (struct gcc_target.speculate_insn): Change type of the
4212 second parameter to 'int'.
4213 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4214 the second operand of the DEPS_LIST.
4215 (copy_DEPS_LIST_list): Update reference to the second operand of the
4216 DEPS_LIST.
4217 * rtl.h (alloc_DEPS_LIST): Update signature.
4218 * sched-int.h (ds_t): Change typedef to 'int'.
4219 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4221 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4223 * haifa-sched.c (try_ready): Change condition to restore
4224 non-speculative pattern of the instruction.
4225 (process_insn_depend_be_in_spec): Code to keep probability of the
4226 speculative dependence non-decreasing.
4228 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4230 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4231 (single_move_for_movmem): ... this. Also change all uses.
4232 (bfin_expand_strmov): Renamed to...
4233 (bfin_expand_movmem): ... this. Also change all uses.
4234 * config/bfin/bfin.md (movstrsi): Renamed to...
4235 (movstrsi): ...this.
4237 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4239 PR tree-optimization/26830
4241 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4242 (copy_prop_visit_stmt): Remove write-only variable ann.
4243 (init_copy_prop): Check variable loop depth here. Do not simulate
4244 memory-tag and virtual operand PHIs except for store copy prop.
4246 2006-03-30 Richard Guenther <rguenther@suse.de>
4248 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4249 variants with double arguments.
4251 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4253 * genpreds.c (write_tm_constrs_h): Delete variable p.
4254 * genconditions.c (write_header): Add tm-constrs.h to included
4255 headers.
4256 * genpeep.c (main): Add toplev.h to included headers.
4257 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4258 (build/genpeep.o): Add toplev.h dependency.
4259 * config/rs6000/constraints.md: Add "W" constraint.
4261 2006-03-29 Roger Sayle <roger@eyesopen.com>
4263 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4264 sizes by correctly testing whether the size fits a host integer.
4265 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4266 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4267 SImode range for the default sizetype and bitsizetype.
4269 2006-03-29 Roger Sayle <roger@eyesopen.com>
4271 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4272 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4273 quickly if the argument is already of the correct type.
4274 Call fold_build1 instead of build1. Tidy up blank lines.
4276 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4278 * genemit.c (main): Add tm-constrs.h to included headers.
4279 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4280 * genpeep.c (main): Add tm-constrs.h to included headers.
4281 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4282 (write_tm_constrs_h): this and write complete file.
4283 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4284 (write_insn_preds_c): Add tm-constrs.h to included headers.
4285 (gen_constrs): New variable.
4286 (parse_option): Parse "-c".
4287 (main): Invoke write_tm_constrs_h.
4288 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4289 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4290 (object_out_file): Add tm-constrs.h dependency.
4291 (insn-emit.o): Same.
4292 (insn-output.o): Same.
4293 (insn-peep.o): Same.
4294 (insn-preds.o): Same.
4295 (insn-recog.o): Same.
4296 (tm-constsr.h): New target.
4297 (s-constrs-h): New target.
4299 * config/rs6000/constraints.md: New file.
4300 * config/rs6000/rs6000.c: Include tm-constrs.h.
4301 (num_insn_constant_wide): Convert to satisfies_constraint.
4302 (rs6000_rtx_costs): Convert to satisfies_constraint.
4303 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4304 (CONST_OK_FOR_LETTER_P): Delete.
4305 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4306 (EXTRA_CONSTRAINT): Delete.
4307 (EXTRA_MEMORY_CONSTRAINT): Delete.
4308 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4309 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4310 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4311 satisfies_constraint.
4313 * config/i386/i386.c: Include tm-constrs.h.
4315 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4317 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4318 * tree-data-ref.c (find_data_references_in_loop,
4319 compute_data_dependences_for_loop): Use pointers to VEC.
4320 (analyze_all_data_dependences): Adjust calls.
4321 * tree-data-ref.h (find_data_references_in_loop,
4322 compute_data_dependences_for_loop): Adjust declarations.
4323 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4324 compute_data_dependences_for_loop.
4326 2006-03-29 Paul Brook <paul@codesourcery.com>
4328 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4329 (movdf_vfp): Ditto.
4331 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4333 PR tree-optimization/26859
4334 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4335 division by zero.
4336 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4337 for the step after fold_convert.
4339 2006-03-29 Paul Brook <paul@codesourcery.com>
4341 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4342 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4344 2006-03-29 Paul Brook <paul@codesourcery.com>
4346 PR middle-end/23623
4347 * targhooks.c (default_narrow_bitfield): New fuction.
4348 * targhooks.h (default_narrow_bitfield): add prototype.
4349 * target.h (gcc_target): Add narrow_volatile_bitfield.
4350 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4351 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4352 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4353 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4355 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4357 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4358 tmake_file.
4359 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4360 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4361 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4362 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4363 (s390_function_arg_float): Allow SDmode and DDmode values to be
4364 passed in floating point registers.
4365 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4366 check with SCALAR_FLOAT_MODE_P.
4367 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4369 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4371 PR tree-optimization/25985
4372 * tree-ssa-loop-niter.c (number_of_iterations_le,
4373 number_of_iterations_ne): Make comments more precise.
4374 (number_of_iterations_cond): Add only_exit argument. Use the
4375 fact that signed variables do not overflow only when only_exit
4376 is true.
4377 (loop_only_exit_p): New.
4378 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4379 number_of_iterations_cond.
4381 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4383 PR tree-optimization/26643
4384 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4385 bit_field_refs.
4387 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4389 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4390 (divsi3_i4_int): Likewise.
4392 2006-03-28 Roger Sayle <roger@eyesopen.com>
4394 * expr.c (emit_group_store): Only create a new pseudo reg if the
4395 quantity it needs to hold isn't already a suitable pseudo.
4397 2006-03-28 Jeff Law <law@redhat.com>
4399 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4400 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4402 2006-03-28 Roger Sayle <roger@eyesopen.com>
4404 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4405 the equivalent ~X & Y, and the symmetry related transformations.
4406 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4407 ~X & Y, and symmetry related transforms.
4409 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4411 Revert my 2006-03-27 patches.
4413 2006-03-28 Roger Sayle <roger@eyesopen.com>
4415 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4416 ~(T1)X, when T1 and T2 are integer types of the same precision
4417 and (T2)X isn't an extension.
4419 2006-03-28 Jeff Law <law@redhat.com>
4421 PR tree-optimization/26796
4422 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4423 need EH edge cleanups rather than purging them immediately.
4424 (eliminate_degenerate_phis): Handle queued EH cleanups.
4426 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4428 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4429 from parent_var.
4431 2006-03-27 Roger Sayle <roger@eyesopen.com>
4433 PR middle-end/22524
4434 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4435 cast BIT_NOT_EXPR operand to the correct type.
4437 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4439 * tree-loop-linear.c: Don't include varray.h.
4440 (gather_interchange_stats, try_interchange_loops,
4441 linear_transform_loops): Use VEC instead of VARRAY.
4442 * lambda-mat.c: Don't include varray.h.
4443 * tree-chrec.c: Same.
4444 * lambda-trans.c: Same.
4445 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4446 VEC instead of VARRAY.
4447 * tree-vectorizer.h: Idem.
4448 * tree-data-ref.c (dump_data_references,
4449 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4450 initialize_data_dependence_relation, finalize_ddr_dependent,
4451 compute_all_dependences, find_data_references_in_loop,
4452 compute_data_dependences_for_loop, analyze_all_data_dependences,
4453 free_dependence_relation, free_dependence_relations,
4454 free_data_refs): Idem.
4455 * tree-data-ref.h (data_reference_p, subscript_p): New.
4456 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4457 VEC instead of VARRAY.
4458 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4459 (find_data_references_in_loop, compute_data_dependences_for_loop,
4460 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4461 dump_data_dependence_relations, free_dependence_relations,
4462 free_data_refs): Adjust declaration.
4463 (lambda_transform_legal_p): Move declaration here...
4464 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4465 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4466 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4467 vect_analyze_data_refs): Use VEC instead of VARRAY.
4468 * lambda.h (lambda_transform_legal_p): ...from here.
4469 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4470 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4471 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4472 tree-chrec.o): Don't depend on VARRAY_H.
4474 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4476 * rtl.def (Copyright): Update date.
4477 (DEPS_LIST): Change type of the second operand to 'int'.
4478 * target.h (Copyright): Update date.
4479 (struct gcc_target.speculate_insn): Change type of the second parameter
4480 to 'int'.
4481 * lists.c (Copyright): Update date.
4482 (alloc_DEPS_LIST): Change signature. Update reference to the second
4483 operand of the DEPS_LIST.
4484 (copy_DEPS_LIST_list): Update reference to the second operand of the
4485 DEPS_LIST.
4486 * rtl.h (Copyright): Update date.
4487 (alloc_DEPS_LIST): Update signature.
4488 * sched-int.h (Copyright): Update date.
4489 (ds_t): Change typedef to 'int'.
4490 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4492 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4494 * haifa-sched.c (Copyright): Update date.
4495 (try_ready): Change condition to restore non-speculative pattern
4496 of the instruction.
4497 (process_insn_depend_be_in_spec): Code to keep probability of the
4498 speculative dependence non-decreasing.
4500 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4502 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4503 shut up the compiler.
4505 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4507 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4508 to use lib prefix for target.
4509 ($(T)libic_invalidate_array_4-200.a): Likewise.
4510 ($(T)libic_invalidate_array_4a.a): Likewise.
4512 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4513 J"orn Rennecke <joern.rennecke@st.com>
4515 * superh.opt: New file.
4516 * sh.c (boardtype, osruntime): Remove.
4517 * superh.h (SUBTARGET_OPTIONS): Remove.
4518 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4520 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4521 arguments with ^ and/or [].
4523 * config.gcc (sh-*-*): Add quoting to account for quirk of
4524 Solaris /bin/sh.
4525 Replace == with = in enable_incomplete_targets test.
4527 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4528 with MASK_LITTLE_ENDIAN.
4530 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4531 * config/sh/sh.opt: Added to some comments.
4532 * config/sh/superh.h: Removed some chaff.
4534 * config/sh/sh.opt: Add m4-[1234]00* options.
4535 * config/sh/sh.c (sh_handle_option): Likewise.
4536 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4537 (ic_invalidate_array_4-100.o): New rule.
4538 ($(T)libic_invalidate_array_4-100.a): Likewise.
4539 (ic_invalidate_array_4-200.o): Likewise.
4540 ($(T)libic_invalidate_array_4-200.a): Likewise.
4541 (ic_invalidate_array_4a.o): Likewise.
4542 ($(T)libic_invalidate_array_4a.a): Likewise.
4543 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4544 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4545 m4-200*, and m4a*.
4546 * config/sh/crt1.asm: Merged in profiling code.
4547 * config/sh/superh.h (STARTFILE_SPEC): Override.
4548 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4549 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4550 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4552 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4553 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4554 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4556 * sh.opt (mpretend-cmove): New option.
4557 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4558 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4559 (movsicc): Add TARGET_PRETEND_CMOVE code.
4561 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4563 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4564 s390_class_max_nregs): New function prototypes.
4565 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4566 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4567 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4568 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4570 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4572 * dwarf2out.c (add_location_or_const_value_attribute): Call
4573 tree_add_const_value_attribute if nothing else works.
4574 (reference_to_unused): New.
4575 (rtl_for_decl_init): Use reference_to_unused to decide whether
4576 to output an initializer.
4578 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4580 PR target/26459
4581 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4582 peephole removing spe frob_di_df_2.
4584 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4586 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4587 (subscript_dependence_tester_1): Declared.
4588 (print_dir_vectors, print_dist_vectors): New.
4589 (debug_data_dependence_relation): New.
4590 (dump_data_dependence_relation): Print more details.
4591 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4592 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4593 (save_dist_v, save_dir_v, add_outer_distances,
4594 build_classic_dist_vector_1): New.
4595 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4596 Don't test for lambda_vector_lexico_pos.
4597 (same_access_functions, add_multivariate_self_dist,
4598 add_other_self_distances, dir_from_dist): New.
4599 (build_classic_dir_vector): Replace implementation almost identical to
4600 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4601 dir_from_dist.
4602 (subscript_dependence_tester_1): New.
4603 (subscript_dependence_tester): Handle the lexicographically negative
4604 distance vectors by recomputing the dependence relation.
4605 (compute_affine_dependence): Remove parameter loop_nest_depth.
4606 (compute_self_dependence): Don't call compute_subscript_distance.
4607 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4608 Add a parameter for the loop_nest.
4609 (find_loop_nest_1, find_loop_nest): New.
4610 (compute_data_dependences_for_loop): Compute the loop nest, and give
4611 up if the nest is not well formed.
4612 * tree-data-ref.h (loop_p): New.
4613 (struct data_dependence_relation): Replace size_vect field with
4614 loop_nest, a vec of loops.
4615 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4616 (DDR_LOOP_NEST): New.
4617 (print_dir_vectors, print_dist_vectors,
4618 debug_data_dependence_relation): Declared.
4619 (index_in_loop_nest): New.
4620 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4621 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4622 distance.
4624 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4626 * simplify-rtx.c (simplify_relational_operation): Call
4627 simplify_relational_operation_1 even if mode is VOIDmode.
4629 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4631 PR tree-optimization/26804
4632 * tree.h (DECL_CALL_CLOBBERED): New macro.
4633 (tree_decl_common): Add call_clobbered_flag.
4634 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4635 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4636 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4637 (mark_non_addressable): Ditto.
4638 * tree-ssa.c (verify_call_clobbered): New function.
4639 (verify_alias_info): Use it.
4640 * tree-pass.h (pass_reset_cc_flags): New prototype.
4641 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4642 (reset_cc_flags): New function.
4643 * passes.c (init_optimization_passes): Call reset_cc_flags after
4644 initializing referenced_vars.
4646 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4647 Roger Sayle <roger@eyesopen.com>
4649 PR middle-end/26717
4650 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4651 to 1.0 for non-real operands. Implement A / A optimization for
4652 complex operands.
4654 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4656 * config/i386/i386.c (size_cost): Correct the comment for
4657 cost of storing fp registers.
4658 (i386_cost): Likewise.
4659 (i486_cost): Likewise.
4660 (pentium_cost): Likewise.
4661 (pentiumpro_cost): Likewise.
4662 (k6_cost): Likewise.
4663 (athlon_cost): Likewise.
4664 (k8_cost): Likewise.
4665 (pentium4_cost): Likewise.
4666 (nocona_cost): Likewise.
4667 (generic64_cost): Likewise.
4668 (generic32_cost): Likewise.
4670 2006-03-24 Denis Chertykov <denisc@overta.ru>
4672 * config/avr/avr-protos.h (extra_constraint): Delete.
4673 (extra_constraint_Q): New declaration.
4674 * config/avr/constraints.md: New file.
4675 * config/avr/avr.md: Include it.
4676 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4677 (TMP_REGNO, ZERO_REGNO): Likewise.
4678 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4679 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4680 (extra_constraint): Delete.
4681 (extra_constraint_Q): Test for memory constraint 'Q'.
4682 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4683 (REG_CLASS_FROM_LETTER): Delete.
4684 (CONST_OK_FOR_LETTER_P): Delete.
4685 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4686 (EXTRA_CONSTRAINT): Delete.
4687 (TMP_REGNO): Delete.
4688 (ZERO_REGNO): Delete.
4690 2006-03-24 Jeff Law <law@redhat.com>
4692 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4693 directly. Call mark_new_vars_to_rename slightly earlier.
4695 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4697 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4698 (is_cxx): Likewise.
4699 (gen_compile_unit_die): Use new language types for Objective-C and
4700 Objective-C++.
4701 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4702 DW_LANG_C_plus_plus.
4704 PR 26793
4705 * config/t-darwin (crt3.o): Work around bug 26840.
4706 * config/darwin-crt3.c: Rewrite.
4707 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4709 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4711 * doc/invoke.texi: Document -femit-class-debug-always
4712 * common.opt: Add -femit-class-debug-always.
4714 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4716 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4717 index and base register.
4718 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4719 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4720 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4721 REGNO_OK_FOR_INDEX_P.
4722 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4723 ADDR_REGNO_P.
4724 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4725 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4726 REG_OK_FOR_BASE_P): Definitions removed.
4728 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4730 PR middle-end/26611
4731 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4732 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4733 set yet or weren't marked as local yet.
4735 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4737 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4738 the compiler.
4740 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4742 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4743 (rs6000_legitimate_small_data_p): Delete.
4744 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4745 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4746 and make static. Add forward declaration. Update uses.
4747 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4748 of offsettable_memref_p.
4749 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4750 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4752 2006-03-24 Jeff Law <law@redhat.com>
4754 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4755 around bug in immediate-use iterator.
4757 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4759 PR target/26607
4760 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4761 or __LITTLE_ENDIAN__.
4763 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4765 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4766 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4767 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4768 * config/sh/sh.opt (mdiv=): Amend description.
4769 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4770 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4771 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4772 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4773 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4774 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4775 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4776 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4777 TARGET_DIVIDE_CALL_FP.
4779 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4781 * haifa-sched.c (choose_ready): Fix type of the local variable.
4782 Move local variables. Add comment.
4783 (check_reg_live): Change signature. Make callable from debugger.
4784 * sched-int.h (check_reg_live): Update signature.
4785 * sched-ebb.c (check_reg_live): Update parameters.
4786 * sched-rgn.c (check_reg_live): Ditto.
4787 (region_head_or_leaf_p): Check pointer before dereferencing.
4788 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4789 before reload on optimization levels below 1.
4791 2006-03-23 Richard Henderson <rth@redhat.com>
4793 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4794 tls symbols.
4796 PR target/26347
4797 * config/alpha/predicates.md (local_symbolic_operand): Reject
4798 weak symbols.
4800 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4802 PR tree-opt/26795
4803 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4804 expressions which have overflowed constants.
4806 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4808 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4810 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4812 * cfgloopmanip.c (create_loop_notes): Removed.
4813 * final.c (final_scan_insn): Do not handle loop notes.
4814 * jump.c (squeeze_notes): Ditto.
4815 * cfglayout.c (skip_insns_after_block,
4816 duplicate_insn_chain): Ditto.
4817 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4818 create_loop_notes.
4819 * cfgloop.h (create_loop_notes): Declaration removed.
4821 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4823 * varasm.c (output_constant_pool): Restore fnname and fndecl
4824 arguments.
4825 (assemble_start_function): Adjust call accordingly.
4826 (assemble_end_function): Likewise.
4828 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4830 PR mudflap/26789
4831 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4833 PR mudflap/26790
4834 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4836 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4838 PR driver/22600
4839 * system.h (ICE_EXIT_CODE): New macro.
4840 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4841 (diagnostic_action_after_output): Likewise.
4842 * gcc.c (fatal_ice): New function.
4843 (execute): Use it instead of fatal.
4844 (fancy_abort): Likewise.
4845 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4847 2006-03-22 Jeff Law <law@redhat.com>
4849 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4850 iv_analyze_result returning false.
4852 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4854 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4856 2006-03-22 Richard Henderson <rth@redhat.com>
4858 PR middle-end/26084
4859 * except.c (duplicate_eh_regions_0): New.
4860 (duplicate_eh_region_1): Duplicate the children of the node as
4861 well as the node itself. Link them up properly.
4862 (duplicate_eh_region_2): Merge into ...
4863 (duplicate_eh_regions): ... here. Take copy_region argument, and
4864 copy only a sub-tree if asked. Simplify copying and fixup.
4865 (eh_region_outer_p): New.
4866 * except.h (duplicate_eh_regions): Update decl.
4867 (eh_region_outer_p): Declare.
4868 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4869 (lower_omp_master): Likewise.
4870 (lower_omp_ordered): Likewise.
4871 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4872 (move_stmt_r): Use it to remap labels. Handle recursion vs
4873 remap_decls_p properly.
4874 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4875 (find_outermost_region_in_block): New.
4876 (new_label_mapper): New.
4877 (move_sese_region_to_fn): Copy eh information to the new function
4878 properly.
4879 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4880 argument.
4881 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4882 number.
4884 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4886 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4887 into shared libraries.
4889 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4891 * doc/md.texi: Refer to i386/constraints.md instead of
4892 i386/predicates.md.
4893 * config/i386/constraints.md: New file, extracted from...
4894 * config/i386/predicates.md: ...here.
4895 * config/i386/i386.md: Include constraints.md.
4897 2006-03-21 Jason Merrill <jason@redhat.com>
4899 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4901 PR middle-end/20297
4902 * expr.c (init_block_move_fn): Force default visibility.
4903 (init_block_clear_fn): Likewise.
4904 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4905 * targhooks.c (default_external_stack_protect_fail): Likewise.
4907 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4909 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4910 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4911 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4912 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4913 (loadgp): Use mips_current_loadgp_style.
4914 (loadgp_noshared): New pattern.
4915 (sibcall_internal): Use MIPS_CALL.
4916 (sibcall_value_internal): Likewise.
4917 (sibcall_value_multiple_internal): Likewise.
4918 (call_internal): Likewise.
4919 (call_value_internal): Likewise.
4920 (call_value_multiple_internal): Likewise.
4921 (call_split): Use MIPS_CALL and add an 'S' constraint.
4922 (call_value_split): Likewise.
4923 (call_value_multiple_split): Likewise.
4924 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4925 (-mshared): New option.
4926 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4927 (mips_current_loadgp_style): Declare.
4928 * config/mips/mips.c (mips_classify_symbol): Avoid using
4929 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4930 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4931 TARGET_ABSOLUTE_ABICALLS.
4932 (override_options): Adjust comments. Improve the warning that is
4933 issued when -mabicalls and -G are used together.
4934 (mips_file_start): Remove comment.
4935 (mips_current_loadgp_style): New function.
4936 (mips_gnu_local_gp): New variable.
4937 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4938 LOADGP_ABSOLUTE.
4939 (mips_output_function_prologue): Use mips_current_laodgp_style.
4940 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4941 the cprestore instruction.
4942 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4943 live for TARGET_ABSOLUTE_ABICALLS.
4944 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4945 (ASM_SPEC): Pass down -mshared and -mno-shared.
4946 (MIPS_CALL): New macro.
4947 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4948 definition.
4949 * doc/invoke.texi (-mabicalls): Update documentation.
4950 (-mshared): Document.
4952 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4954 * config/ia64/unwind-hpux.c: New file.
4955 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4957 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4959 PR libgomp/26384
4960 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4962 2006-03-21 Jeff Law <law@redhat.com>
4964 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4965 type conversions of a VR_VARYING source to a wider type.
4967 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4969 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4970 tm_file on Solaris 10 and later.
4971 (sparc64-*-solaris2*): Likewise.
4972 (sparc-*-solaris2*): Likewise.
4973 * config/sol26.h: Rename to config/sol2-6.h.
4974 * config/sol2-10.h: New file.
4976 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4978 PR tree-opt/26781
4979 * tree-ssa-pre.c (create_component_ref_by_pieces):
4980 Handle STRING_CST.
4982 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4984 PR c++/26690
4985 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4986 return it immediately.
4988 2006-03-21 Michael Matz <matz@suse.de>
4990 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4991 New members.
4992 (remove_arc, add_arc): Update num_out_arcs member.
4993 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4994 of out arcs.
4995 (cache_presence): New function.
4996 (compare_states_for_equiv): New function.
4997 (state_is_differed): Don't take number of outargs, adjust callers.
4998 Use new invariant for speeding up.
4999 (init_equiv_class): Create initial classes based on sorted
5000 input.
5001 (partition_equiv_class): Don't track out_arcs_num.
5002 (evaluate_equiv_classes): Call cache_presence on all states and
5003 sort them.
5005 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5007 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5008 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5009 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5010 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5011 callers changed.
5012 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5013 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5014 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5015 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5016 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5017 macros.
5018 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5019 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5020 (REGNO_REG_CLASS): ARGP is in PREGS.
5021 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5022 IREGS.
5023 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5024 to deal with those addresses.
5025 * addresses.h: New file.
5026 * caller-save.c: Include "addresses.h".
5027 (init_caller_save): Use new base_reg_class function.
5028 * rtl-factoring.c: Include "addresses.h".
5029 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5030 * recog.c: Include "addresses.h".
5031 (preprocess_constraints): Use new base_reg_class function.
5032 * regrename.c: Include "addresses.h".
5033 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5034 functions. Keep track of a new var INDEX_CODE to compute valid
5035 classes.
5036 (replace_oldest_value_addr): Likewise.
5037 (replace_oldest_value_mem): Use base_reg_class.
5038 * reload.c: Include "addresses.h".
5039 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5040 (find_reloads): Use new base_reg_class function.
5041 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5042 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5043 all callers and prototype changed.
5044 * reload1.c: Include "addresses.h".
5045 (maybe_fix_stack_asms): Use base_reg_class.
5046 * regclass.c: Include "addresses.h".
5047 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5048 (init_reg_autoinc): Use new base_reg_class function.
5049 (record_reg_classes): Likewise.
5050 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5051 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5052 Use new args to compute necessary class.
5054 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5055 regrename.o, rtl-factoring.o): Update dependencies.
5056 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5057 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5058 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5059 REG_OK_FOR_INDEX_P): Delete documentation.
5061 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5063 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5064 from V7 to V9 for Solaris 7 and above.
5066 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5068 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5069 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5070 argument pointers may not alias any other storage.
5071 * common.opt: Define option -fargument-noalias-anything.
5072 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5073 alias semantics is specified by flag_argument_noalias > 2.
5075 2006-03-20 Jeff Law <law@redhat.com>
5077 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5078 (pass_phi_only_cprop): Declare.
5079 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5080 with phi_only_cprop
5081 * tree-ssa-dom.c (degenerate_phi_result): New function.
5082 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5083 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5084 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5085 (eliminate_degenerate_phis): Likewise.
5086 (pass_phi_only_cprop): New pass descriptor.
5087 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5088 support code. Callers updated.
5089 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5090 (store_copy_prop): Likewise.
5091 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5093 2006-03-20 Jason Merrill <jason@redhat.com>
5095 PR c++/21764
5096 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5097 (push_visibility, pop_visibility): Likewise.
5098 * c-pragma.h: Declare them.
5100 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5102 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5104 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5105 parameter and use get_ebb_head_tail.
5106 (sh_md_init_global): Adjust uses of find_regmode_weight.
5108 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5110 * function.h (struct function) <x_tail_recursion_reentry>:
5111 Rename to x_stack_check_probe_note.
5112 (tail_recursion_reentry): Rename to stack_check_probe_note.
5113 * function.c: Replace tail_recursion_reentry with
5114 stack_check_probe_note everywhere.
5115 (expand_function_start): Only emit a note for
5116 stack_check_probe_note with -fstack-protect.
5117 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5119 * emit-rtl.c (remove_unnecessary_notes): Remove.
5120 (pass_remove_unnecessary_notes): Remove.
5121 * rtl.h (remove_unnecessary_notes): Remove prototype.
5122 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5123 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5124 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5126 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5128 PR tree-opt/26629
5129 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5130 (valid_in_set): Handle ARRAY_REF.
5131 Change "if min_variant or VH" to asserts.
5132 (create_component_ref_by_pieces): Handle ARRAY_REF.
5133 (create_expression_by_pieces): Likewise.
5134 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5136 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5138 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5139 is operand of switch, not str[0].
5141 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5143 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5144 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5146 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5148 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5149 end of insn_extra_address_constraint declaration.
5151 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5153 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5154 (no-sum-in-toc): Same.
5155 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5156 variables.
5157 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5158 NO_FP_IN_TOC for -fPIC instead of mask.
5160 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5161 (BOOT_LDFLAGS): Delete.
5162 (LDFLAGS): Delete.
5163 * config/rs6000/t-aix52: Same.
5165 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5166 (stmsi[345678]_power): New.
5168 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5170 * config/ia64/ia64.opt: Add empty line to end of file.
5172 2006-03-17 Richard Guenther <rguenther@suse.de>
5174 PR middle-end/26721
5175 * builtins.c (get_pointer_alignment): For component style references
5176 adjust alignment to the component type alignment. Make sure
5177 to adjust alignment for component access of constants.
5179 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5181 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5182 unconditional jump.
5184 2006-03-17 Paul Brook <paul@codesourcery.com>
5186 * doc/install.texi: Docuemnt --with-mode.
5187 * config.gcc: Add --with-mode for arm*-*-*.
5188 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5190 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5192 * sh.c (max_labelno_before_reorg): New variable.
5193 (sh_reorg): Initialize it.
5194 (find_barrier): Check max_labelno_before_reorg before using
5195 label_to_alignment. Take length of explicit alignment insns
5196 into account. When seeing a UNSPECV_CONST_END, return it.
5198 * sh.c (fixup_mova): Set mode of affected label to QImode.
5199 (untangle_mova): New function.
5200 (find_barrier): Use it. Check mode of label before decrementing
5201 num_mova.
5202 (sh_reorg): Likewise.
5203 Set mode of all insns back to VOIDmode.
5205 * sh.c (MOVA_LABELREF): New macro.
5206 (mova_p, fixup_mova, sh_reorg): Use it.
5207 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5208 ADDR_DIFF_VEC matches mova.
5210 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5212 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5213 with ATTRIBUTE_UNUSED.
5215 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5217 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5218 pointer, instead of assuming it is possible to derive the
5219 correct args size from a call insn.
5221 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5223 * rtl.h (CONST_INT_P): Define.
5224 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5225 instead of GET_CODE(x) == CONST_INT.
5226 (vax_rtx_costs): Likewise.
5227 (vax_output_int_move): Likewise.
5228 (vax_output_int_add): Likewise.
5229 (legitimate_constant_address_p): Likewise.
5230 (index_term_p): Likewise.
5231 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5232 * config/vax/vax.md (and<mode>3): Likewise.
5233 (ashrsi3): Likewise.
5234 (extv): Likewise.
5235 (movstricthi): Likewise.
5236 (movstrictqi): Likewise.
5237 (rotrsi3): Likewise.
5238 (five unnamed insns): Likewise.
5240 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5242 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5243 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5244 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5245 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5246 Pass to ASM_OUTPUT_DWARF_OFFSET.
5247 * dwarf2out.c (debug_frame_section): New.
5248 (output_call_frame_info): Use debug_frame_section. Pass it to
5249 dw2_asm_output_offset.
5250 (output_die): Pass appropriate section to dw2_asm_output_offset.
5251 (output_compilation_unit_header): Likewise.
5252 (output_pubnames): Likewise.
5253 (output_aranges): Likewise.
5254 (enum dw_val_class): Break dw_val_class_lbl_offset into
5255 dw_val_class_lineptr and dw_val_class_macptr.
5256 (add_AT_lbl_offset): Delete.
5257 (add_AT_lineptr): New.
5258 (add_AT_macptr): New.
5259 (AT_lbl): Expect a lineptr or macptr.
5260 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5261 (attr_checksum): Likewise.
5262 (same_dw_val_p): Likewise.
5263 (size_of_die): Likewise.
5264 (value_format): Likewise.
5265 (output_die): Likewise.
5266 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5267 add_AT_lbl_offset.
5268 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5269 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5270 * config/darwin-protos.h (darwin_file_start): New.
5271 (darwin_asm_output_dwarf_offset): New.
5272 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5273 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5274 darwin_file_start.
5275 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5276 if not EH section; simplify.
5277 (darwin_file_start): New.
5278 (darwin_asm_output_dwarf_offset): New.
5279 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5280 mark as 'debug'.
5281 (DEBUG_INFO_SECTION): Likewise.
5282 (DEBUG_ABBREV_SECTION): Likewise.
5283 (DEBUG_ARANGES_SECTION): Likewise.
5284 (DEBUG_MACINFO_SECTION): Likewise.
5285 (DEBUG_LINE_SECTION): Likewise.
5286 (DEBUG_LOC_SECTION): Likewise.
5287 (DEBUG_PUBNAMES_SECTION): Likewise.
5288 (DEBUG_STR_SECTION): Likewise.
5289 (DEBUG_RANGES_SECTION): Likewise.
5290 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5291 (ASM_OUTPUT_DWARF_OFFSET): New.
5293 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5295 * config.gcc (tm_defines): Always add to previous value rather
5296 than replacing it.
5298 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5300 * config/mips/predicates.md (splittable_const_int_operand): New,
5301 split from move_operand.
5302 (splittable_symbolic_operand): New.
5303 (move_operand): Add commentary. Use splittable_const_int_operand.
5304 Inline mips_atomic_symbolic_constant_p.
5305 * config/mips/mips.md: Add combine splitters for handling moves
5306 of splittable_const_int_operands and splittable_symbolic_operands.
5307 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5308 (mips_split_symbol): Declare.
5309 (mips_move_integer): Declare.
5310 * config/mips/mips.c (mips_split_p): Make global.
5311 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5312 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5313 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5314 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5315 (mips_offset_within_object_p): Handle block symbols.
5316 (mips_atomic_symbolic_constant_p): Delete.
5317 (mips_cannot_force_const_mem): Return false for constants that
5318 mips_legitimize_move can handle.
5319 (mips_use_blocks_for_constant_p): New function.
5320 (mips_split_symbol): Make global.
5321 (mips_move_integer): Likewise. Add a temporary register argument.
5322 (mips_legitimize_const_move): Use splittable_const_int_operand and
5323 splittable_symbolic_operand.
5324 (mips_use_anchors_for_symbol_p): New function.
5325 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5326 (mips_split_p): Declare.
5328 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5330 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5331 (mips*-*-linux*): Likewise.
5333 2006-03-16 Roger Sayle <roger@eyesopen.com>
5334 Daniel Speyer <dspeyer@wam.umd.edu>
5336 PR middle-end/18259
5337 * tree-dump.c (dump_real): New function.
5338 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5339 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5340 (tree-dump.o): Add $(REAL_H) to the dependencies.
5342 2006-03-16 Roger Sayle <roger@eyesopen.com>
5344 PR middle-end/21781
5345 * real.c (real_from_string): If the mantissa is zero, don't bother
5346 parsing the exponent as the result should always be zero.
5348 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5350 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5352 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5354 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5355 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5356 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5357 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5358 ia64_sched_finish_global): New static functions to implement
5359 hooks from gcc_target.sched.
5360 (spec_check_no, max_uid, pending_data_specs): New static variables.
5361 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5362 ia64_spec_check_src_p): New static functions.
5363 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5364 (TARGET_SCHED_ADJUST_COST): Removed.
5365 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5366 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5367 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5368 TARGET_SCHED_GEN_CHECK,
5369 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5370 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5371 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5372 Fixed to handle speculation checks.
5373 (rtx_needs_barrier): Fixed to handle speculative loads and
5374 their checks.
5375 (ia64_variable_issue): Added code to count speculative loads and their
5376 checks.
5377 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5378 speculative loads.
5379 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5380 New enumerations.
5381 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5382 New constants.
5383 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5384 (ia64_reorg): Reset stops_p to NULL after it is freed.
5385 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5386 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5387 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5388 chk_a.
5389 (data_speculative, control_speculative, check_load): New attributes.
5390 (mov<mode>_advanced, mov<mode>_speculative,
5391 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5392 zero_extend<mode>di2_speculative,
5393 zero_extend<mode>di2_speculative_advanced): New patterns for
5394 data and control speculative loads.
5395 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5396 check loads.
5397 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5398 New pattern for data and control speculation checks.
5399 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5400 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5401 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5402 Auxiliary definitions for the patterns.
5403 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5404 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5405 constraints.
5406 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5407 for speculation.
5408 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5409 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5410 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5411 New resource constraints.
5412 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5413 for speculation.
5414 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5415 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5416 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5417 msched-in-control-spec, msched-ldc, msched-control-ldc,
5418 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5419 msched-prefer-non-control-spec-insns,
5420 msched-count-spec-in-critical-path): New flags to tune speculative
5421 scheduling.
5422 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5423 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5424 msched-in-control-spec, msched-ldc, msched-control-ldc,
5425 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5426 msched-prefer-non-control-spec-insns,
5427 msched-count-spec-in-critical-path): Document new flags.
5429 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5431 * target.h (struct spec_info_def): New opaque declaration.
5432 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5433 speculate_insn, needs_block_p, gen_check,
5434 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5435 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5436 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5437 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5438 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5439 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5440 gcc_target.sched.
5441 (TARGET_SCHED): Use new macros.
5442 * rtl.h (copy_DEPS_LIST_list): New prototype.
5443 * sched-int.h (struct sched_info): Change signature of new_ready field,
5444 adjust all initializations. New fields: add_remove_insn,
5445 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5446 region_head_or_leaf_p.
5447 (struct spec_info_def): New structure declaration.
5448 (spec_info_t): New typedef.
5449 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5450 recovery_block, orig_pat.
5451 (glat_start, glat_end): New variables declaraions.
5452 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5453 New access macros.
5454 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5455 DETACH_LIFE_INFO, USE_GLAT.
5456 (enum SPEC_SCHED_FLAGS): New enumeration.
5457 (NOTE_NOTE_BB_P): New macro.
5458 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5459 attach_life_info, debug_spec_status, check_reg_live): New functions.
5460 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5461 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5462 sched-ebb.c
5463 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5464 * ddg.c (get_block_head_tail): Adjust all uses.
5465 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5466 (sms_sched_info): Initialize new fields.
5467 (contributes_to_priority): Removed.
5468 * haifa-sched.c (params.h): New include.
5469 (get_block_head_tail): Adjust all uses.
5470 (ISSUE_POINTS): New macro.
5471 (glat_start, glat_end): New global variables.
5472 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5473 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5474 old_last_basic_block, before_recovery, current_sched_info_var,
5475 rgn_n_insns, luid): New static variables.
5476 (insn_cost1): New function. Move logic from insn_cost to here.
5477 (find_insn_reg_weight1): New function. Move logic from
5478 find_insn_reg_weight to here.
5479 (reemit_notes, move_insn, max_issue): Change signature.
5480 (move_insn1): Removed.
5481 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5482 extend_bb): New static functions to support extension of scheduler's
5483 data structures.
5484 (generate_recovery_code, process_insn_depend_be_in_spec,
5485 begin_speculative_block, add_to_speculative_block,
5486 init_before_recovery, create_recovery_block, create_check_block_twin,
5487 fix_recovery_deps): New static functions to support
5488 generation of recovery code.
5489 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5490 restore_bb_notes, move_block_after_check, move_succs): New static
5491 functions to support ebb scheduling.
5492 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5493 functions to support handling of register live information.
5494 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5495 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5496 add_jump_dependencies): New static functions.
5497 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5498 consistancy checking.
5499 (debug_spec_status): New function to call from debugger.
5500 (priority): Added code to handle speculation checks.
5501 (rank_for_schedule): Added code to distinguish speculative instructions.
5502 (schedule_insn): Added code to handle speculation checks.
5503 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5504 Fixed to handle ebbs.
5505 (move_insn): Added code to handle ebb scheduling.
5506 (max_issue): Added code to use ISSUE_POINTS of instructions.
5507 (choose_ready): Added code to choose between speculative and
5508 non-speculative instructions.
5509 (schedule_block): Added code to handle ebb scheduling and scheduling of
5510 speculative instructions.
5511 (sched_init): Initialize new variables.
5512 (sched_finish): Free new variables. Print statistics.
5513 (try_ready): Added code to handle speculative instructions.
5514 * lists.c (copy_DEPS_LIST_list): New function.
5515 * sched-deps.c (extend_dependency_caches): New function. Move logic
5516 from create_dependency_caches to here.
5517 (get_dep_weak, ds_merge): Make global.
5518 * genattr.c (main): Code to output prototype for
5519 dfa_clear_single_insn_cache.
5520 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5521 (output_dfa_clean_insn_cache_func): Code to output
5522 dfa_clear_single_insn_cache function.
5523 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5524 n_insns.
5525 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5526 Removed.
5527 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5528 New static variables.
5529 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5530 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5531 struct sched_info.
5532 (ebb_sched_info): Initialize new fields.
5533 (get_block_head_tail): Adjust all uses.
5534 (compute_jump_reg_dependencies): Fixed to use glat_start.
5535 (schedule_ebb): Code to remove unreachable last block.
5536 (schedule_ebbs): Added code to update register live information.
5537 * sched-rgn.c (region_sched_info): Initialize new fields.
5538 (get_block_head_tail): Adjust all uses.
5539 (last_was_jump): Removed. Adjust users.
5540 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5541 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5542 Implement new hooks.
5543 (check_dead_notes1): New static function.
5544 (struct region): New fields: dont_calc_deps, has_real_ebb.
5545 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5546 (BB_TO_BLOCK): Fixed to handle EBBs.
5547 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5548 (ebb_head): New static variable.
5549 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5550 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5551 new fields.
5552 (compute_dom_prob_ps): New assertion.
5553 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5554 global_live_at_start.
5555 (init_ready_list): New assertions.
5556 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5557 (new_ready): Add support for BEGIN_CONTROL speculation.
5558 (schedule_insns): Fixed code that updates register live information
5559 to handle EBBs.
5560 (schedule_region): Fixed to handle EBBs.
5561 (init_regions): Use extend_regions and check_dead_notes1.
5562 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5563 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5564 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5565 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5566 TARGET_SCHED_GEN_CHECK,
5567 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5568 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5569 * doc/invoke.texi (max-sched-insn-conflict-delay,
5570 sched-spec-prob-cutoff): Document.
5572 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5574 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5575 inter_tick, queue_index.
5576 (struct sched_info): Change signature of init_ready_list field.
5577 Adjust all initializations.
5578 (RESOLVED_DEPS): New access macro.
5579 (ready_add): Remove prototype.
5580 (try_ready): Add prototype.
5581 * sched-rgn.c (init_ready_list): Use try_ready.
5582 (schedule_region): Initialize
5583 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5584 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5585 (init_ready_list): Use try_ready.
5586 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5587 * lists.c (remove_list_elem): Remove `static'.
5588 (remove_free_INSN_LIST_elem): New function.
5589 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5590 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5591 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5592 New constants.
5593 (readyp): New variable.
5594 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5595 change_queue_index, resolve_dep): New static functions.
5596 (try_ready): New function. Adjust callers in sched-rgn.c and
5597 sched-ebb.c to use it instead of ready_add.
5598 (clock_var): Move at the begining of file.
5599 (rank_for_schedule): Fix typo.
5600 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5601 (ready_lastpos): Enforce assertion.
5602 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5603 update all callers.
5604 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5605 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5606 (queue_to_ready): Use free_INSN_LIST_list.
5607 (early_queue_to_ready): Fix typo.
5608 (schedule_block): Init readyp. Move init_ready_list call after the
5609 initialization of clock_var. Fix error in rejecting insn by
5610 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5611 that previously corrected INSN_TICKs. Add code for handling
5612 QUEUE_INDEX.
5613 (set_priorities): Fix typo.
5614 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5615 Clarify comment and code that keeps current_sched_info->next_tail
5616 non-null.
5618 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5620 * sched-rgn.c (extend_rgns): New static function.
5621 (find_rgns): Use it.
5622 (gather_region_statistics, print_region_statistics): New static
5623 functions.
5624 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5625 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5627 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5628 Andrey Belevantsev <abel@ispras.ru>
5630 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5631 * lists.c (unused_deps_list): New variable.
5632 (free_list): Add assertions to verify the proper distinguishing
5633 between INSN_LISTs and DEPS_LISTs.
5634 (find_list_elem, remove_list_elem, remove_list_node): New static
5635 functions.
5636 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5637 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5638 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5639 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5640 an INSN_LIST.
5641 (free_INSN_LIST_node): Likewise.
5642 * modulo-sched.c (current_sched_info): Initialize flags field.
5643 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5644 * rtl.def (DEPS_LIST): Define.
5645 * rtl.h: Declare new functions from lists.c.
5646 * sched-deps.c (spec_dependency_cache): New static variable.
5647 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5648 (add_dependence): Change return type to void. Move the logic to ...
5649 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5650 (delete_all_dependences): Add comment about forward_dependency_cache.
5651 Handle spec_dependency_cache. Handle DEPS_LISTs.
5652 (fixup_sched_groups): Clarify the change of priority of output
5653 and anti dependencies.
5654 (sched_analyze_2): Adjust add_dependence calls to create data
5655 speculative dependence.
5656 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5657 Adjust all callers. Handle DEPS_LISTS.
5658 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5659 presence of speculation.
5660 (init_dependency_caches, free_dependency_caches):
5661 Handle spec_dependency_cache.
5662 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5663 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5664 New static functions.
5665 (add_or_update_back_dep, add_or_update_back_forw_dep,
5666 add_back_forw_dep, delete_back_forw_dep): New functions.
5667 * sched-int.h (ds_t, dw_t): New typedefs.
5668 (struct sched_info): Add new field flags.
5669 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5670 Prototype new sched-deps.c functions.
5671 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5672 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5673 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5674 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5675 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5676 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5677 New constants.
5678 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5679 New enums.
5680 * sched-rgn.c (current_sched_info): Initialize flags field.
5681 (schedule_insns): Initialize current_sched_info before the sched_init
5682 call.
5683 * sched-ebb.c (current_sched_info): Initialize flags field.
5684 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5685 Call add_or_update_back_dep instead of add_dependence.
5686 Create control speculative dependencies.
5687 (schedule_insns): Initialize current_sched_info before the sched_init
5688 call.
5690 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5692 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5693 fs->signal_frame.
5694 (sh_fallback_frame_state): Likewise.
5696 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5698 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5699 Do switch on default_use_cxa_atexit.
5700 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5701 * config/darwin-crt3.o: New.
5702 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5703 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5704 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5705 OS version.
5706 * config/rs6000/t-darwin: Move crt2.o building to here.
5707 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5708 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5709 of __cxa_atexit.
5711 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5713 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5714 from '! xxx' to '!xxx' for coding-style conformance.
5715 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5716 (EXTRA_CONSTRAINT): Likewise.
5717 * config/vax/vax.md (four unnamed insns): Likewise.
5719 2006-03-15 Paul Brook <paul@codesourcery.com>
5721 * config/arm/arm.c (minipool_pad): New.
5722 (add_minipool_forward_ref): Include pool alignment padding in address
5723 calculation.
5724 (push_minipool_fix): Set minipool_pad.
5725 (minipool_pad): Ditto.
5727 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5729 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5730 instead of GET_CODE() == MEM and REG_P() instead of
5731 GET_CODE() == REG.
5732 (print_operand_address): Likewise.
5733 (vax_address_cost): Likewise.
5734 (vax_rtx_costs): Likewise.
5735 (vax_notice_update_cc): Likewise.
5736 (vax_output_int_add): Likewise.
5737 (INDEX_REGISTER_P): Likewise.
5738 (BASE_REGISTER_P): Likewise.
5739 (nonindexed_address_p): Likewise.
5740 (vax_mode_dependent_address_p): Likewise.
5741 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5742 (PRINT_OPERAND): Likewise.
5743 * config/vax/vax.md (ashlsi3): Likewise.
5744 (ashlsi3): Likewise.
5745 (some more unnamed insns): Likewise.
5747 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5749 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5750 iterator-style macro.
5751 (mark_control_dependent_edges_necessary): Update the use of
5752 EXECUTE_IF_CONTROL_DEPENDENT.
5754 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5756 * config/sh/predicates.md (cache_address_operand): Special.
5757 (ua_address_operand): Likewise.
5759 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5761 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5762 loop notes.
5763 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5765 2006-03-15 Andreas Schwab <schwab@suse.de>
5767 * gensupport.c (identify_predicable_attribute): Don't free p_false
5768 when it is still in use.
5770 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5772 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5773 the default setting here.
5775 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5777 * tree-pass.h (pass_cfg): Remove.
5778 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5779 * passes.c (pass_cfg): Don't run it.
5781 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5783 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5784 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5785 VEC(char,heap) *.
5786 (stack_regs_mentioned): Update the uses of
5787 stack_regs_mentioned_data. Don't access the array beyond its
5788 end.
5789 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5790 Don't include gt-reg-stack.h.
5792 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5793 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5795 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5797 PR middle-end/26684
5798 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5799 STACK_REGS.
5801 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5803 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5805 2006-03-14 Richard Guenther <rguenther@suse.de>
5807 PR tree-optimization/26672
5808 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5809 SSA form.
5811 2006-03-14 Richard Guenther <rguenther@suse.de>
5813 PR tree-optimization/26667
5814 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5815 node for the callees. Always allow inlining if it will shrink
5816 the function size.
5818 2006-03-14 Richard Guenther <rguenther@suse.de>
5820 PR middle-end/26659
5821 * builtins.c (get_pointer_alignment): Prefer alignment
5822 information from decls over that from types.
5824 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5826 PR target/26657
5827 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5829 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5831 * config/rs6000/rs6000.opt (mdlmzb): New option.
5832 (msched-prolog, msched-epilog): Use Var not Mask.
5833 * doc/invoke.texi (-mdlmzb): Document.
5834 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5835 MASK_SCHED_PROLOG.
5836 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5837 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5839 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5841 PR rtl-optimization/25739
5842 * bt-load.c (augment_live_range): Free tos pointer.
5844 * gensupport.c (identify_predicable_attribute): Free
5845 p_false pointer.
5846 * gcov.c (create_file_names): Free name pointer.
5848 2006-03-13 Roger Sayle <roger@eyesopen.com>
5850 PR middle-end/26557
5851 * stmt.c (emit_case_nodes): Handle the case where the index is a
5852 CONST_INT, where the comparison mode is specified by the index type.
5854 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5856 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5857 is defined.
5859 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5861 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5862 (*branch_fp_inverted): Likewise.
5864 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5866 PR middle-end/25989
5867 * omp-low.c (expand_omp_for_generic): Mark istart0
5868 and iend0 as addressable.
5870 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5872 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5874 2006-03-13 Jeff Law <law@redhat.com>
5876 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5877 virtual operands are interesting.
5878 (vrp_visit_stmt): Corresponding changes.
5880 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5882 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5883 of RETS.
5884 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5885 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5886 * config/bfin/crti.S: Use it instead of __PIC__.
5887 * config/bfin/crtn.S: Likewise.
5889 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5890 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5891 not if flag_pic.
5892 Lose 'G' modifier for call operand.
5893 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5894 recognize 'G' modifier.
5896 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5898 PR middle-end/18859
5899 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5900 * stmt.c (expand_case): Likewise.
5902 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5904 PR rtl-optimization/26254
5905 * loop-invariant.c (seq_insns_valid_p): New function.
5906 (move_invariant_reg): Only emit new code if it is valid.
5908 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5910 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5911 Removed.
5912 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5913 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5914 (commit_one_edge_insertion): Do not look for loop notes.
5916 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5918 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5919 flag_test_coverage out of loop.
5921 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5923 * final.c (shorten_branches): Remove outdated comment, and turn
5924 the if branch that guards it to continue.
5926 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5928 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5929 * cfgloop.h (struct loop): Remove unused fields.
5931 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5933 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5934 (-dL, -fdump-rtl-loop2): Update the dump file names
5936 * doc/invoke.texi: Update dump file names.
5938 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5940 * predict.c (estimate_probability): Remove.
5941 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5942 * basic-block.h (estimate_probability): Remove prototype.
5943 * passes.c (finish_optimization_passes): Dump branch prediction or
5944 profiling heuristics to the .profile tree dump.
5945 (init_optimization_passes): Unqueue pass_branch_prob.
5947 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5949 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5951 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5952 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5954 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5956 * function.h (frame_offset_overflow): Declare.
5957 * function.c (frame_offset_overflow): New function.
5958 (assign_stack_local_1): Call it to detect that the offset overflows.
5959 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5961 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5963 * config/sh/sh.c: Include alloc-pool.h.
5964 (label_ref_list_pool): New alloc pool.
5965 (label_ref_list_t): New type for lists of labels.
5966 (struct pool_node): Make wend a label_ref_list_t.
5967 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5968 references.
5969 (dump_table): Likewise.
5970 (sh_reorg): Set up the alloc pool before using add_constant and
5971 dump_table, and destroy it when finishing.
5973 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5975 * config/mips/mips.c: Remove redundant comment.
5977 2006-03-10 Jason Merrill <jason@redhat.com>
5979 PR c/26004
5980 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5981 the target was declared 'register'.
5983 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5985 * genpreds.c (write_insn_constraint_len): Change definition of
5986 insn_constraint_len to return size_t to match the declaration.
5988 2006-03-10 DJ Delorie <dj@redhat.com>
5990 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5991 start at zero.
5992 (m32c_expand_insv): Fix test for an AND mask.
5994 2006-03-10 Richard Guenther <rguenther@suse.de>
5996 PR middle-end/26565
5997 * builtins.c (get_pointer_alignment): Handle component
5998 references for field alignment.
6000 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6002 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6003 when building with libgloss.
6004 (sh*elf): Implement --without-fp option.
6005 (sh64-superh-linux*): Don't multilib.
6007 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6009 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6011 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6013 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6014 Set it when one of the replacement functions returned true.
6015 Return TODO_cleanup_cfg if cfgchanged is true.
6016 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6018 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6020 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6021 instead of gen_lowpart.
6023 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6025 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6026 interface.
6027 (mips_output_order_conditional_branch): Declare.
6028 * config/mips/mips.h (MIPS_BRANCH): New macro.
6029 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6030 for the comparison. Use gen_condjump.
6031 (mips_output_conditional_branch): Rework interface to take the
6032 asm templates for a direct branch and the inverse of a direct branch.
6033 (mips_output_order_conditional_branch): New function.
6034 (mips_builtin_branch_and_move): New function.
6035 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6036 branch condition. Use gen_single_cc as the condition for
6037 __builtin_mips_upper_* or __builtin_mips_lower_*.
6038 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6039 Use VOIDmode for the branch condition.
6040 * config/mips/predicates.md (order_operator): New predicate.
6041 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6042 (branch_fp): Rename to...
6043 (*branch_fp): ...this. Remove mode from comparison operator.
6044 Use new mips_output_conditional_branch interface.
6045 (branch_fp_inverted): Rename to...
6046 (*branch_fp_inverted): ...this and update as for *branch_fp.
6047 (*branch_zero<mode>): Rename to...
6048 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6049 Use mips_output_order_conditional_branch. Only accept ordered
6050 comparisons.
6051 (*branch_zero<mode>_inverted): Rename to...
6052 (*branch_order<mode>_inverted): ...this and update as for
6053 *branch_order<mode>.
6054 (*branch_equality<mode>): Accept zero as the second operand to
6055 the equality operator. Use the new mips_output_conditional_branch
6056 interface.
6057 (*branch_equality<mode>_inverted): Likewise.
6058 (condjump): New expander.
6059 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6060 operator.
6061 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6062 (bc1any2t, bc1any2f): Likewise.
6063 (single_cc): New expander.
6064 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6066 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6068 * doc/md.texi: Update documentation of MIPS constraints.
6069 * config/mips/constraints.md: New file.
6070 * config/mips/mips.md: Include it.
6071 * config/mips/mips.c (mips_char_to_class): Delete.
6072 (override_options): Don't initialize mips_char_to_class.
6073 * config/mips/mips.h (mips_char_to_class): Delete.
6074 (REG_CLASS_FROM_LETTER): Delete.
6075 (CONST_OK_FOR_LETTER_P): Delete.
6076 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6077 (EXTRA_CONSTRAINT_Y): Delete.
6078 (EXTRA_CONSTRAINT_STR): Delete.
6079 (CONSTRAINT_LEN): Delete.
6080 (EXTRA_MEMORY_CONSTRAINT): Delete.
6082 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6084 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6085 original fn's eh regions.
6087 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6089 * fold-const.c (build_range_check): Make sure to use a valid type to
6090 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6091 transformation.
6093 (range_predecessor): New static function.
6094 (range_successor): Likewise.
6095 (merge_ranges): Use them to compute predecessors and successors of
6096 range bounds.
6098 2006-03-09 Roger Sayle <roger@eyesopen.com>
6100 PR middle-end/26561
6101 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6102 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6104 2006-03-08 DJ Delorie <dj@redhat.com>
6106 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6107 (addpsi3): Expand to include memory operands. Remove
6108 reload-specific splits.
6109 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6110 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6111 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6112 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6113 (shift1_qi, shift1_hi, insv): New.
6114 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6115 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6116 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6117 cond_to_int): New.
6118 * config/m32c/m32c-protos.h: Update as needed.
6119 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6120 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6121 Fail for unrecognized R* constraints.
6122 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6123 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6124 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6125 Add Sp constraint.
6126 (m32c_init_libfuncs): New.
6127 (m32c_legitimate_address_p): Add debug wrapper.
6128 (m32c_rtx_costs): New.
6129 (m32c_address_cost): New.
6130 (conversions): Add 'B' prefix.
6131 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6132 operands, or word regnames for QI operands. 'B' prints bit
6133 position.
6134 (m32c_expand_setmemhi): New.
6135 (m32c_expand_movmemhi): New.
6136 (m32c_expand_movstr): New.
6137 (m32c_expand_cmpstr): New.
6138 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6139 (m32c_expand_neg_mulpsi3): Handle non-ints.
6140 (m32c_cmp_flg_0): New.
6141 (m32c_expand_movcc): New.
6142 (m32c_expand_insv): New.
6143 (m32c_scc_pattern): New.
6144 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6145 a0/a1 out of SIregs.
6146 (STORE_FLAG_VALUE): New.
6147 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6148 code macros.
6149 (no_insn): New.
6150 * config/m32c/mov.md: Make constraints more liberal.
6151 (zero_extendqihi2): Optimize r0/r1 case.
6152 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6153 * config/m32c/predicates.md (m32c_any_operand): New.
6154 (m32c_nonimmediate_operand): New.
6155 (m32c_hl_operand): New.
6156 (m32c_r3_operand): New.
6157 (ap_operand): New.
6158 (ma_operand): New.
6159 (memsym_operand): New.
6160 (memimmed_operand): New.
6161 (a_qi_operand): New.
6162 (m32c_eqne_operator): New.
6163 (m32c_1bit8_operand): New.
6164 (m32c_1bit16_operand): New.
6165 (m32c_1mask8_operand): New.
6166 (m32c_1mask16_operand): New.
6167 * config/m32c/blkmov.md: New file.
6168 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6170 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6172 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6173 unsigned to fix signed/unsigned comparison issue in
6174 DWARF2_FRAME_REG_OUT.
6175 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6176 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6178 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6179 of ptr into the ENABLE_CHECKING section.
6181 2006-03-08 Jeff Law <law@redhat.com>
6183 * tree-vrp.c (infer_value_range): Only count pointer uses
6184 and dereferences if -fdelete-null-pointer-checks is enabled.
6186 * tree-vrp.c (find_assert_locations): Infer value ranges for
6187 single use pointers, but do not create ASSERT_EXPRs for them.
6188 When a non-null range is inferred for a pointer, backwards
6189 propagate that range to other equivalent pointers through the
6190 use-def chain.
6192 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6194 PR bootstrap/26500
6195 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6196 language hook targets.
6197 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6198 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6199 if language hook targets were missing.
6201 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6203 * tree-ssa-opfinalize.h: Removed.
6204 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6205 dependency.
6206 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6207 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6208 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6209 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6210 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6211 finalize_ssa_v_must_def_ops): New.
6213 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6215 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6216 block as parameter.
6218 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6220 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6222 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6223 addresses with offsets; reorganize.
6225 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6226 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6227 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6229 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6231 PR target/26588
6232 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6234 2006-03-08 Ben Elliston <bje@au.ibm.com>
6236 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6238 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6240 PR gomp/26238
6241 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6242 expansion.
6244 2006-03-07 Richard Guenther <rguenther@suse.de>
6246 PR tree-optimization/26587
6247 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6249 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6251 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6253 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6255 * hooks.c (hook_bool_mode_rtx_true): New function.
6256 * hooks.h (hook_bool_mode_rtx_true): Declare.
6257 * toplev.c (compile_file): Call output_shared_constant_pool.
6258 * varasm.c (shared_constant_pool): New variable.
6259 (assemble_start_function, assemble_end_function): Remove arguments
6260 from call to output_constant_pool.
6261 (create_constant_pool): New function, split out from...
6262 (init_varasm_status): ...here.
6263 (force_const_mem): Choose between the shared and per-function constant
6264 pools. Set current_function_uses_const_pool when reusing old entries
6265 as well as when creating new ones.
6266 (mark_constant): Ignore data argument.
6267 (mark_constants): Remove pool argument.
6268 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6269 to decide whether the function uses a constant pool.
6270 (output_constant_pool_contents): New function, split out from...
6271 (output_constant_pool): ...here.
6272 (output_shared_constant_pool): New function.
6273 (init_varasm_once): Initialize shared_constant_pool.
6274 * output.h (output_constant_pool): Delete.
6275 (output_shared_constant_pool): Declare.
6276 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6277 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6279 2006-03-06 Nick Clifton <nickc@redhat.com>
6281 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6282 flag_strength_reduce.
6284 2006-03-06 Ben Elliston <bje@au.ibm.com>
6286 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6287 x86_64-*-linux* configurations.
6289 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6290 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6292 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6294 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6295 Remove.
6296 * basic-block.h: Remove the extern for
6297 rediscover_loops_after_threading.
6299 * cfgloop.c (cancel_loop): Make it static.
6300 * cfgloop.h: Remove the prototype for cancel_loop.
6302 * flow.c (recompute_reg_usage): Make it static.
6303 * rtl.h: Remove the prototype for recompute_reg_usage.
6305 * function.c (use_return_register): Make it static.
6306 * function.h: Remove the prototype.
6308 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6310 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6311 Remove.
6312 * recog.h: Remove the prototype for
6313 validate_change_maybe_volatile.
6315 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6317 * rtlanal.c (replace_reg): Remove.
6318 * rtl.h: Remove the prototype for replace_reg.
6320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6322 * regclass.c (reg_scan_update): Remove.
6323 (reg_scan_mark_refs): Remove the last argument.
6324 * rtl.h: Remove the prototype for reg_scan_update.
6326 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6328 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6329 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6330 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6331 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6332 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6333 loop-invariant.c, omp-low.c, opts.c, passes.c,
6334 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6335 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6336 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6337 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6338 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6339 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6341 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6343 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6344 * dwarf2out.h: Remove the prototype for
6345 dwarf2out_add_library_unit_info.
6347 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6349 * tree.c (add_var_to_bind_expr): Remove.
6350 * tree.h: Remove the prototype for add_var_to_bind_expr.
6352 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6354 * regclass.c (n_non_fixed_regs): Remove.
6355 (init_reg_sets_1, globalize_reg): Remove all uses of
6356 n_non_fixed_regs.
6357 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6359 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6361 * rtlanal.c (insns_safe_to_move_p): Remove.
6362 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6364 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6366 * expmed.c (expand_mult_add): Remove.
6367 * expr.h: Remove the prototype for expand_mult_add.
6369 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6371 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6372 and REG_SAVED_VAL_EXP constants.
6373 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6374 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6375 Handle regs stored by value.
6376 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6377 (execute_cfa_program): Handle DW_CFA_val_offset,
6378 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6379 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6380 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6381 (uw_install_context_1): Handle target regs stored by value.
6383 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6385 * tree-sra.c (tree_sra): Return todoflags;
6386 (generate_one_element): Set TODO_update_smt_usage if needed.
6387 (pass_sra): Remove TODO_update_smt_usage.
6388 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6389 parameter.
6390 (tree_ssa_forward_propagate_single_use_vars): Return
6391 TODO_update_smt_usage if we need to update SMT usage.
6392 (pass_forwprop): Remove TODO_update_smt_usage.
6394 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6396 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6397 (correct_use_link): Remove reference to get_stmt_operands.
6398 (update_stmt_operands): Likewise.
6399 (get_modify_expr_operands): New function factored out of
6400 parse_ssa_operands and get_expr_operands.
6401 Try to create V_MUST_DEFs for LHS by default.
6402 (get_expr_operands) <case MODIFY_EXPR>: Call
6403 get_modify_expr_operands.
6404 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6405 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6406 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6407 get_modify_expr_operands.
6409 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6411 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6412 * tree-flow.h: Remove the prototype for
6413 referenced_var_lookup_if_exists.
6415 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6417 PR rtl-optimization/26345
6418 PR target/19061
6419 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6421 2006-03-03 Roger Sayle <roger@eyesopen.com>
6423 PR tree-optimization/26524
6424 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6425 fold_convert to create a constant of the appropriate type.
6427 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6429 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6430 SYMBOL_REF_IN_BLOCK_P.
6431 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6432 of SYMBOL_FLAG_IN_BLOCK.
6433 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6434 instead of SYMBOL_REF_IN_BLOCK_P.
6435 * explow.c (use_anchored_address): Likewise.
6436 * rtl.c (rtx_size): Likewise.
6437 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6438 instead of SYMBOL_FLAG_IN_BLOCK.
6439 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6440 SYMBOL_REF_IN_BLOCK_P.
6441 (assemble_variable): Likewise.
6442 (output_constant_def_contents): Likewise.
6443 (output_constant_pool): Likewise.
6444 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6445 instead of SYMBOL_FLAG_IN_BLOCK.
6446 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6447 SYMBOL_REF_IN_BLOCK_P.
6448 (SYMBOL_REF_BLOCK): Likewise.
6449 (SYMBOL_REF_OFFSET): Likewise.
6450 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6451 SYMBOL_REF_IN_BLOCK_P.
6452 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6453 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6454 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6455 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6457 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6459 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6461 2006-03-02 Roger Sayle <roger@eyesopen.com>
6463 * simplify-rtx.c (simplify_unary_operation): When simplifying
6464 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6465 that we perform the right shift in the appropriate mode, and
6466 then extend or truncate the result to requested mode.
6468 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6470 * gengtype.c (main): Handle double_int type.
6471 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6472 * double-int.c: New file.
6473 * double-int.h: New file.
6474 * system.h: Include doubleint.h.
6475 * Makefile.in (SYSTEM_H): Include double-int.h.
6476 (double-int.o): Add.
6478 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6480 PR bootstrap/26478
6481 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6482 copying over it.
6484 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6486 * tree-vrp.c (remove_range_assertions): Do not update statements
6487 unnecessarily.
6489 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6491 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6492 cleanup.
6493 * gcse.c (rest_of_handle_gcse): Ditto.
6494 * except.c (gate_handle_eh): Ditto.
6495 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6496 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6498 2006-03-02 Eric Christopher <echristo@apple.com>
6500 * config/i386/i386.c (machopic_output_stub): Add indirection to
6501 jump.
6503 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6505 * loop.c: Removed.
6507 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6509 Sun Niagara specific optimizations.
6510 * config.gcc: Recognize niagara as target.
6511 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6512 (TARGET_CPU_niagara): Define.
6513 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6514 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6515 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6516 (ASM_CPU_SPEC): Likewise.
6517 (PROCESSOR_NIAGARA): New enum entry.
6518 (REGISTER_MOVE_COST): Handle Niagara.
6519 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6520 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6521 (sparc_override_options): Recognize "niagara", set appropriate
6522 default MASK_* values for it, and align functions to 32-bytes
6523 by default just like ULTRASPARC/ULTRASPARC3.
6524 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6525 (sparc64_initialize_trampoline): Likewise.
6526 (sparc_use_sched_lookahead): Use zero for niagara.
6527 (sparc_issue_rate): Use one for niagara.
6528 * config/sparc/niagara.md: New file.
6529 * config/sparc/sparc.md: Include it.
6530 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6531 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6532 when default cpu is niagara.
6533 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6534 (ASM_CPU_SPEC): Likewise.
6535 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6536 when default cpu is niagara.
6537 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6538 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6539 just like v9/ultrasparc/ultrasparc3.
6540 * doc/invoke.texi: Add documentation for "niagara" and improve
6541 existing documentation for ultrasparc variants.
6543 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6545 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6547 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6549 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6550 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6551 and say that only one is needed.
6552 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6553 * target.h (have_switchable_bss_sections): New hook.
6554 * explow.c (use_anchored_address): Check that the symbol is in a block.
6555 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6556 (bss_noswitch_section): New variables.
6557 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6558 (get_noswitch_section): New function.
6559 (get_block_for_section): Allow SECT to be null.
6560 (unlikely_text_section_p): Use SECTION_STYLE.
6561 (bss_initializer_p): New function.
6562 (get_variable_section): Move earlier in file. Take a new argument,
6563 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6564 Return one of the new *_sections in such cases.
6565 (get_block_for_decl): New function, extracting some logic from
6566 use_blocks_for_decl_p.
6567 (change_symbol_section): Remove in favor of...
6568 (change_symbol_block): ...this new function.
6569 (use_blocks_for_decl_p): Remove checks now performed by
6570 get_block_for_decl.
6571 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6572 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6573 (emit_local, emit_bss, emit_common): ...these new functions.
6574 Return true if the alignment was honored.
6575 (emit_tls_common): New function.
6576 (asm_emit_uninitialised): Delete.
6577 (assemble_variable_noswitch): New function, split out from...
6578 (assemble_variable): ...here. Don't make decisions about common
6579 variables here. Globalize all public decls that go into non-common
6580 sections. Check whether SYMBOL_REF_BLOCK is null.
6581 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6582 (output_constant_pool): Likewise.
6583 (init_varasm_once): Initialize the new section variables.
6584 (have_global_bss_p): New function.
6585 (categorize_decl_for_section): Use bss_initializer_p.
6586 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6587 (place_block_symbol): Assert that the symbol must be in a block.
6588 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6589 (TARGET_INITIALIZER): Include it.
6590 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6591 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6592 (SECTION_MACH_DEP): Bump by two.
6593 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6594 (unnamed_section): Mention SECTION_UNNAMED in comment.
6595 (named_section): Likewise SECTION_NAMED.
6596 (noswitch_section_callback): New type.
6597 (noswitch_section): New structure.
6598 (section): Add a noswitch_section alternative.
6599 (SECTION_STYLE): New macro.
6600 (tls_comm_section, comm_section, lcomm_section): Declare.
6601 (bss_noswitch_section, have_global_bss_p): Declare.
6602 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6603 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6604 Override.
6605 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6606 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6607 Override.
6609 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6611 * tree-vrp.c (execute_vrp): Return value.
6612 * regrename.c (rest_of_handle_regrename): Ditto.
6613 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6614 * tree-complex.c (tree_lower_complex): Ditto.
6615 (tree_lower_complex_O0): Ditto.
6616 * tracer.c (rest_of_handle_tracer): Ditto.
6617 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6618 * postreload.c (rest_of_handle_postreload): Ditto.
6619 * tree-tailcall.c (execute_tail_recursion): Ditto.
6620 (execute_tail_calls): Ditto.
6621 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6622 * tree.h (init_function_for_compilation): Ditto.
6623 * ipa-cp.c (ipcp_driver): Ditto.
6624 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6625 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6626 * final.c (compute_alignments): Ditto.
6627 (rest_of_handle_final): Ditto.
6628 (rest_of_handle_shorten_branches): Ditto.
6629 (rest_of_clean_state): Ditto.
6630 * omp-low.c (execute_expand_omp): Ditto.
6631 (execute_lower_omp): Ditto.
6632 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6633 * ipa-reference.c (static_execute): Ditto.
6634 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6635 * reorg.c (rest_of_handle_delay_slots): Ditto.
6636 (rest_of_handle_machine_reorg): Ditto.
6637 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6638 * flow.c (recompute_reg_usage): Ditto.
6639 (rest_of_handle_remove_death_notes): Ditto.
6640 (rest_of_handle_life): Ditto.
6641 (rest_of_handle_flow2): Ditto.
6642 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6643 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6644 (do_ssa_store_ccp): Ditto.
6645 (execute_fold_all_builtins): Ditto.
6646 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6647 * modulo-sched.c (rest_of_handle_sms): Ditto.
6648 * ipa-pure-const.c (static_execute): Ditto.
6649 * cse.c (rest_of_handle_cse): Ditto.
6650 (rest_of_handle_cse2): Ditto.
6651 * web.c (rest_of_handle_web): Ditto.
6652 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6653 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6654 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6655 * tree-nrv.c (tree_nrv): Ditto.
6656 (execute_return_slot_opt): Ditto.
6657 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6658 (create_structure_vars): Ditto.
6659 * loop-init.c (rtl_loop_init): Ditto.
6660 (rtl_loop_done): Ditto.
6661 (rtl_move_loop_invariants): Ditto.
6662 (rtl_unswitch): Ditto.
6663 (rtl_unroll_and_peel_loops): Ditto.
6664 (rtl_doloop): Ditto.
6665 * gimple-low.c (lower_function_body): Ditto.
6666 (mark_used_blocks): Ditto.
6667 * tree-ssa-sink.c (execute_sink_code): Ditto.
6668 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6669 (cgraph_early_inlining): Ditto.
6670 * global.c (rest_of_handle_global_alloc): Ditto.
6671 * jump.c (cleanup_barriers): Ditto.
6672 (purge_line_number_notes): Ditto.
6673 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6674 (rest_of_handle_if_after_reload): Ditto.
6675 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6676 (tree_ssa_loop_im): Ditto.
6677 (tree_ssa_loop_unswitch): Ditto.
6678 (tree_vectorize): Ditto.
6679 (tree_linear_transform): Ditto.
6680 (tree_ssa_loop_ivcanon): Ditto.
6681 (tree_ssa_empty_loop): Ditto.
6682 (tree_ssa_loop_bounds): Ditto.
6683 (tree_complete_unroll): Ditto.
6684 (tree_ssa_loop_prefetch): Ditto.
6685 (tree_ssa_loop_ivopts): Ditto.
6686 (tree_ssa_loop_done): Ditto.
6687 * predict.c (tree_estimate_probability): Ditto.
6688 * recog.c (split_all_insns_noflow): Ditto.
6689 (rest_of_handle_peephole2): Ditto.
6690 (rest_of_handle_split_all_insns): Ditto.
6691 * tree-eh.c (lower_eh_constructs): Ditto.
6692 * regmove.c (rest_of_handle_regmove): Ditto.
6693 (rest_of_handle_stack_adjustments): Ditto.
6694 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6695 * function.c (instantiate_virtual_regs): Ditto.
6696 (init_function_for_compilation): Ditto.
6697 (rest_of_handle_check_leaf_regs): Ditto.
6698 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6699 (rest_of_handle_gcse): Ditto.
6700 * ipa-type-escape.c (type_escape_execute): Ditto.
6701 * alias.c (rest_of_handle_cfg): Ditto.
6702 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6703 * profile.c (rest_of_handle_branch_prob): Ditto.
6704 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6705 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6706 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6707 * tree-dfa.c (find_referenced_vars): Ditto.
6708 * except.c (set_nothrow_function_flags): Ditto.
6709 (convert_to_eh_region_ranges): Ditto.
6710 (rest_of_handle_eh): Ditto.
6711 * emit-rtl.c (unshare_all_rtl): Ditto.
6712 (remove_unnecessary_notes): Ditto.
6713 * except.h (set_nothrow_function_flags): Ditto.
6714 (convert_to_eh_region_ranges): Ditto.
6715 * cfgexpand.c (tree_expand_cfg): Ditto.
6716 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6717 * tree-ssa-pre.c (do_pre): Ditto.
6718 (execute_fre): Ditto.
6719 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6720 (rest_of_handle_jump2): Ditto.
6721 * tree-sra.c (tree_sra): Ditto.
6722 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6723 (execute_mudflap_function_decls): Ditto.
6724 * tree-ssa-copy.c (do_copy_prop): Ditto.
6725 (do_store_copy_prop): Ditto.
6726 * ipa-prop.h (ipcp_driver): Ditto.
6727 * cfglayout.c (insn_locators_initialize): Ditto.
6728 * tree-ssa-forwprop.c
6729 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6730 * cfglayout.h (insn_locators_initialize): Ditto.
6731 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6732 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6733 (execute_late_warn_uninitialized): Ditto.
6734 * rtl.h (cleanup_barriers): Ditto.
6735 (split_all_insns_noflow): Ditto.
6736 (purge_line_number_notes): Ditto.
6737 (unshare_all_rtl): Ditto.
6738 (remove_unnecessary_notes): Ditto.
6739 (recompute_reg_usage): Ditto.
6740 (variable_tracking_main): Ditto.
6741 * integrate.c (emit_initial_value_sets): Ditto.
6742 * integrate.h (emit_initial_value_sets): Ditto.
6743 * tree-optimize.c (execute_free_datastructures): Ditto
6744 (execute_free_cfg_annotations): Ditto.
6745 (execute_fixup_cfg): Ditto.
6746 (execute_cleanup_cfg_pre_ipa): Ditto.
6747 (execute_cleanup_cfg_post_optimizing): Ditto.
6748 (execute_init_datastructures): Ditto.
6749 * tree-object-size.c (compute_object_sizes): Ditto.
6750 * combine.c (rest_of_handle_combine): Ditto.
6751 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6752 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6753 (rest_of_handle_reorder_blocks): Ditto.
6754 (rest_of_handle_partition_blocks): Ditto.
6755 * var-tracking.c (variable_tracking_main): Ditto.
6756 * tree-profile.c (tree_profiling): Ditto.
6757 * tree-vect-generic.c (expand_vector_operations): Ditto.
6758 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6759 * sched-rgn.c (rest_of_handle_sched): Ditto.
6760 (rest_of_handle_sched2): Ditto.
6761 * basic-block.h (free_bb_insn): Ditto.
6762 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6763 * tree-cfg.c (execute_build_cfg): Ditto.
6764 (remove_useless_stmts): Ditto.
6765 (split_critical_edges): Ditto.
6766 (execute_warn_function_return): Ditto.
6767 (execute_warn_function_noreturn): Ditto.
6768 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6769 * cfgrtl.c (free_bb_for_insn): Ditto.
6770 * passes.c (execute_one_pass): Run additional
6771 todos returned by execute function.
6772 * tree-pass.h (struct tree_opt_pass): Make execute
6773 return a value.
6775 2006-03-02 Richard Guenther <rguenther@suse.de>
6777 * tree-ssa-alias.c (find_used_portions): Consider taking
6778 the address as making the variable not write-only.
6780 2006-03-02 Nick Clifton <nickc@redhat.com>
6782 * config.gcc (default_use_cxa_atexit): Extend the description of
6783 this configure variable. Set its default value to "yes" for
6784 Linux, NetBSD and ELF targets on the assumption that they will
6785 use C libraries with the __cxa_atexit function.
6787 2006-03-02 Ben Elliston <bje@au.ibm.com>
6789 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6790 parameter as unused to suppress a build warning.
6792 2006-03-02 Ben Elliston <bje@au.ibm.com>
6794 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6795 config/dfp-bit.c.
6797 2006-03-01 Roger Sayle <roger@eyesopen.com>
6799 PR other/26489
6800 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6801 declared name, the weak reference name, and the typeof name.
6802 (__gthrw): Avoid expanding the declared name suffix.
6803 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6805 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6807 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6808 from DWARF 3.
6809 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6810 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6811 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6812 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6813 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6814 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6815 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6816 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6817 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6818 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6819 (DW_END_default, DW_END_big, DW_END_little): New.
6820 (DW_END_lo_user, DW_END_hi_user): Define.
6821 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6822 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6823 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6824 DW_LANG_D): New.
6826 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6828 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6829 Update all users.
6830 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6831 Update all users.
6832 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6833 Update all users.
6834 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6835 Update all users.
6836 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6837 to 'symbol_mem_tag'.
6838 Update all users.
6839 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6840 rename.
6842 2006-03-01 Roger Sayle <roger@eyesopen.com>
6844 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6846 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6848 PR target/25761
6849 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6850 MACHO_DYNAMIC_NO_PIC_P.
6851 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6853 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6855 PR target/26389
6856 * config/darwin-protos.h (darwin_asm_output_anchor):
6857 Declare.
6858 * config/darwin-sections.def (cstring_section):
6859 Add SECTION_MERGE to the flags.
6860 (literal4_section): Likewise.
6861 (literal8_section): Likewise.
6862 (objc_selector_refs_section): Likewise.
6863 (objc_cls_refs_section): Likewise.
6864 * config/darwin.c (darwin_asm_output_anchor): New
6865 function.
6866 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6868 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6870 Fix PR tree-optimization/26443
6871 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6872 to todo and PROP_tmt_usage to properties_destroyed.
6873 * tree-ssa-ccp.c (pass_ccp): Ditto.
6874 (pass_store_ccp): Ditto.
6875 * tree-ssa-dom.c (pass_dominator): Ditto.
6877 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6879 * tree-ssa-operands.c: Cleanup whitespace.
6880 (get_asm_expr_operands): Move before first invocation.
6881 (get_indirect_ref_operands): Likewise.
6882 (get_tmr_operands): Likewise.
6883 (get_call_expr_operands): Likewise.
6884 (append_def): Likewise.
6885 (append_use): Likewise.
6886 (append_v_may_def): Likewise.
6887 (append_v_must_def): Likewise.
6888 (add_call_clobber_ops): Likewise.
6889 (add_call_read_ops): Likewise.
6890 (add_stmt_operand): Likewise.
6891 (add_virtual_operand): Likewise.
6892 (build_ssa_operands): Likewise.
6894 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6896 PR middle-end/26022
6897 Revert:
6898 PR middle-end/24437
6899 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6900 with a call expr to ...
6901 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6903 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6905 * tree-vrp.c (extract_range_from_assert): Remove special
6906 handling for types with super-types.
6908 2006-03-01 Ben Elliston <bje@au.ibm.com>
6910 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6911 and powerpc64-*-linux* configurations.
6912 * config/t-dfprules: New file.
6914 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6915 Compile dfp-bit.c from the source directory using -DWIDTH and
6916 $DFP_CFLAGS to control the compilation of that file, rather than
6917 generating width-specific versions in the build directory.
6918 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6919 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6921 2006-02-28 Zack Weinberg <zackw@panix.com>
6923 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6924 continues to work.
6926 2006-02-28 Eric Christopher <echristo@apple.com>
6928 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6929 Set up IN_LIBGCC definition of TARGET_64BIT.
6930 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6932 2006-02-28 Roger Sayle <roger@eyesopen.com>
6934 PR middle-end/14752
6935 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6936 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6937 cases via the construction of "expr != 0".
6939 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6941 * alias.c (alias_invariant, alias_invariant_size): Remove.
6942 (record_base_value): Remove.
6943 (memrefs_conflict_p): Don't look at alias_invariant.
6944 (end_alias_analysis): Don't free it.
6945 * alias.h (record_base_value): Remove prototype.
6947 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6948 Adam Nemet <anemet@caviumnetworks.com>
6950 * rtl.h (truncated_to_mode): Declare it.
6951 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6952 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6953 (RTL_HOOKS_INITIALIZER): Include it.
6954 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6955 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6956 reg_truncated_to_mode.
6957 * rtlanal.c (truncated_to_mode): Define it.
6958 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6960 2006-02-28 Jeff Law <law@redhat.com>
6962 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6963 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6964 the range allowed by TYPE_PRECISION.
6966 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6968 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6970 PR tree-optimization/26419
6971 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6972 values of n.
6974 2006-02-27 Zack Weinberg <zackw@panix.com>
6976 * doc/md.texi: Fix typo in previous change.
6978 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6980 * df.c: Remove.
6982 2006-02-27 Zack Weinberg <zackw@panix.com>
6984 * rtl.def (define_constraint, define_register_constraint)
6985 (define_memory_constraint, define_address_constraint): New MD forms.
6986 * gensupport.c (process_rtx): Put define_constraint etc on the
6987 predicate queue.
6988 * genpreds.c (process_define_predicate): Adjust comment. Validate
6989 the name, and call validate_exp to validate the expression.
6990 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6991 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6992 all callers changed.
6993 (validate_exp, needs_variable, struct constraint_data)
6994 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6995 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6996 (const_dbl_constraints, constraint_max_namelen)
6997 (have_register_constraints, have_memory_constraints)
6998 (have_address_constraints, have_address_constraints)
6999 (have_extra_constraints, have_const_int_constraints)
7000 (have_const_dbl_constraints, mangle, add_constraint)
7001 (process_define_constraint, process_define_register_constraint)
7002 (write_enum_constraint_num, write_lookup_constraint)
7003 (write_insn_constraint_len, write_regclass_for_constraint)
7004 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7005 (write_insn_extra_memory_constraint)
7006 (write_insn_extra_address_constraint)
7007 (write_satisfies_constraint_fns): New.
7008 (write_tm_preds_h): If we have new-style constraint definitions,
7009 prototype the functions generated from them, and define the
7010 old constraint interface (still used by generic code) in terms of
7011 those functions.
7012 (write_insn_preds_c): If we have new-style constraint definitions,
7013 generate all relevant functions from those definitions.
7014 (main): Handle define_constraint etc.
7015 * genoutput.c (struct constraint_data, indep_constraints)
7016 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7017 (mdep_constraint_len): New data structures and functions, defined
7018 #ifdef USE_MD_CONSTRAINTS.
7019 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7020 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7021 use new logic to validate operand constraints against constraint
7022 definitions.
7023 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7024 defined.
7025 * defaults.h: If none of the old-style constraint macros are
7026 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7027 old-style macros; and poison REG_CLASS_FROM_LETTER,
7028 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7029 EXTRA_CONSTRAINT.
7030 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7031 * doc/md.texi: Document new constraint-definition mechanism and the
7032 C interface it provides. Remove references to old mechanism
7033 elsewhere in the document.
7034 (Machine Constraints): Use pathnames relative to gcc directory,
7035 i.e. config/ARCH/FILE. Change i386 section to refer to
7036 config/i386/predicates.md; update that section to match docstrings.
7037 * doc/tm.texi: Move all documentation of the old constraint-
7038 definition macros to their own section, clearly mark as obsolete.
7040 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7041 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7042 definitions.
7043 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7044 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7045 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7046 constraint strings.
7047 (splits and peepholes): Use satisfies_constraint_*.
7048 * config/i386/i386.c (memory_address_length)
7049 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7051 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7053 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7054 scalar operation to be put back into the loop.
7056 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7058 PR other/26208
7059 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7060 (extract_cie_info): Handle S flag in augmentation string.
7061 (execute_cfa_program): If context->signal_frame, execute also
7062 fs->pc == context->ra instructions.
7063 (uw_frame_state_for): If context->signal_frame, don't subtract one
7064 from context->ra to find FDE.
7065 (uw_update_context_1): Set context->signal_frame to
7066 fs->signal_frame.
7067 (_Unwind_GetIPInfo): New function.
7068 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7069 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7070 of _Unwind_GetIP.
7071 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7072 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7073 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7074 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7075 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7076 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7077 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7078 x86_64_fallback_frame_state): Set fs->signal_frame.
7079 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7080 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7081 (frob_update_context): Likewise. Workaround missing S flag in
7082 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7083 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7084 Remove the psw_addr + 1 hack.
7086 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7088 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7089 with aggregates here.
7090 (find_func_aliases): Remove code for &<aggregate> from here.
7092 2006-02-26 Roger Sayle <roger@eyesopen.com>
7094 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7095 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7096 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7097 as (X & C) ne/eq 0.
7099 2006-02-26 Roger Sayle <roger@eyesopen.com>
7101 PR middle-end/19983
7102 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7104 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7106 * opts.c (decode_options): Do not handle flag_strength_reduce.
7107 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7108 and OPT_fstrength_reduce.
7109 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7110 flag_prefetch_loop_arrays for being nonzero.
7111 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7112 no-ops.
7113 (fprefetch-loop-arrays-rtl): Removed.
7114 (flag_prefetch_loop_arrays): Do not specify the value.
7116 * doc/passes.texi: Update documentation of loop optimizer
7117 passes.
7118 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7119 -frerun-loop-opt): Remove.
7121 2006-02-26 Richard Guenther <rguenther@suse.de>
7123 PR tree-optimization/26421
7124 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7125 in function calls that are ADDR_EXPRs as using the whole structure.
7127 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7129 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7130 * tree-pass.h (pass_loop_optimize): Remove.
7131 * passes.c (pass_loop_optimize): Never run it.
7132 * toplev.c (backend_init): Don't call init_loop.
7133 * opts.c (flag_loop_optimize_set): Remove.
7134 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7135 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7136 the old RTL loop optimizer when profiling enabled.
7137 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7138 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7139 pre-headers for the sake of the old RTL loop optimizer.
7140 * Makefile.in: Remove all references to loop.o.
7142 * doc/invoke.texi: Remove all references to -floop-optimize
7143 and -frerun-loop-opt.
7145 2006-02-26 Zack Weinberg <zackw@panix.com>
7147 * doc/md.texi (Machine Constraints): Refer to all files with paths
7148 relative to gcc directory (i.e. config/CPU/file). Add missing
7149 @table @code ... @end table to M32C subsection.
7151 2006-02-26 Roger Sayle <roger@eyesopen.com>
7153 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7154 (X & 1) == 0.
7155 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7157 2006-02-26 Roger Sayle <roger@eyesopen.com>
7158 James A. Morrison <phython@gcc.gnu.org>
7160 PR middle-end/21137
7161 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7162 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7163 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7164 signedness of the shift operation.
7166 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7168 PR tree-optimization/26359
7169 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7171 2006-02-25 Roger Sayle <roger@eyesopen.com>
7173 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7174 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7175 as X == 0, and some symmetry related transformations.
7176 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7178 2006-02-25 Roger Sayle <roger@eyesopen.com>
7180 PR middle-end/23673
7181 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7182 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7183 symmetry related transformations. Fold (X^C1) == C2 as
7184 X == (C1^C2).
7186 2006-02-25 Juergen Weigert <jw@suse.de>
7187 Richard Guenther <rguenther@suse.de>
7189 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7191 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7193 * combine.c (gen_lowpart_or_truncate): Call
7194 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7196 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7198 * doc/invoke.texi: Move -fopenmp description to "Options for
7199 Code Generation".
7200 Remove reference to -lgomp.
7202 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7204 * doc/install.texi: Require GNU tar version 1.14.
7206 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7208 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7209 * doc/invoke.texi (C++ Dialect Options): Document
7210 -fno-use-cxa-get-exception-ptr.
7211 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7212 * configure: Regenerate.
7213 * c.opt (fuse-cxa-get-exception-ptr): New.
7214 * c-opts.c (c_common_handle_option): Handle
7215 OPT_fuse_cxa_get_exception_ptr.
7216 * c-common.c (flag_use_cxa_atexit): Update documentation.
7217 (flag_use_cxa_get_exception_ptr): New.
7218 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7219 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7220 documentation.
7221 (C_COMMON_OVERRIDE_OPTIONS): New.
7223 2006-02-24 Roger Sayle <roger@eyesopen.com>
7225 PR middle-end/24952
7226 * combine.c (try_combine): Explicitly check whether GET_CODE is
7227 a SET or a CLOBBER, instead on checking that it isn't a USE.
7229 2006-02-24 Roger Sayle <roger@eyesopen.com>
7231 * fold-const.c (fold_comparison): New subroutine of fold_binary
7232 containing transformations common to both the equality and
7233 ordering relational operators, factored out of fold_binary.
7234 (fold_binary): Separate out the equality operators (EQ_EXPR
7235 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7236 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7237 transformations common to both.
7238 (fold_div_compare): Fix latent bugs in the previously unreachable
7239 LT_EXPR and GE_EXPR cases.
7241 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7243 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7244 decl libname for clog to __clog on AIX.
7246 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7248 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7250 PR target/26453
7251 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7252 output traceback table for thunks. Localise rs6000_stack_info call.
7254 2006-02-23 Roger Sayle <roger@eyesopen.com>
7255 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7257 * gthr-posix.h (__gthrw): Fix typo in comment.
7259 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7261 * doc/cpp.texi (Character sets): Document that we do support
7262 input files to be in any character set.
7264 2006-02-23 Jeff Law <law@redhat.com>
7266 * tree.h (PHI_ARG_NONZERO): Remove.
7267 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7268 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7269 node to the new node.
7271 PR tree-optimization/26425
7272 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7273 min/max, then assume its varying.
7275 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7277 PR rtl-optimization/26316
7278 * rtlanal.c (enum may_trap_p_flags): New.
7279 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7280 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7281 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7282 (may_trap_after_code_motion_p): New function.
7283 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7284 (find_invariant_insn): Use may_trap_after_code_motion_p.
7285 * rtl.h (may_trap_after_code_motion_p): Declare.
7287 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7289 * emit-rtl.c (immed_double_const): Cleanup.
7291 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7293 Fix PR tree-optimization/26376
7294 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7295 remove assert.
7297 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7299 PR middle-end/26412
7300 * gimplify.c (omp_add_variable): Guard variable size decl test with
7301 DECL_SIZE (decl) check.
7303 2006-02-23 Richard Guenther <rguenther@suse.de>
7305 PR middle-end/26439
7306 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7307 like aggregate types.
7309 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7311 * configure.ac: Add --with{,out}-long-double-128 configure option.
7312 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7313 * configure: Rebuilt.
7314 * config.in: Rebuilt.
7315 * doc/install.texi (Options specification): Document
7316 --with-long-double-128.
7318 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7319 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7320 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7321 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7323 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7325 * config/s390/s390.c (override_options): Handle
7326 TARGET_DEFAULT_LONG_DOUBLE_128.
7328 * config/alpha/alpha.c (override_options): Handle
7329 TARGET_DEFAULT_LONG_DOUBLE_128.
7331 * config/sparc/sparc.c (sparc_override_options): Handle
7332 TARGET_DEFAULT_LONG_DOUBLE_128.
7334 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7336 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7337 (real-install-headers-tar, real-install-headers-cpio)
7338 (real-install-headers-cp): New targets.
7340 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7342 * tree.h (variable_section): Delete.
7343 * varasm.c (variable_section): Delete.
7345 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7347 * install.texi: Add notes on install.texi2html.
7348 (Building in parallel): Do not use footnotes.
7350 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7352 PR libgomp/26234
7353 * doc/install.texi (Configuration): Document --disable-libgomp.
7355 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7357 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7359 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7361 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7362 (vec_extractv2df_0_sse): New.
7364 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7366 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7367 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7368 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7369 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7370 to the result of the expression.
7371 (def_cfa_1): Adjust.
7372 (frame_pointer_cfa_offset): Rename to...
7373 (frame_pointer_fb_offset): ... this. Adjust all uses.
7374 (convert_cfa_to_loc_list): Rename to...
7375 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7376 Pass it on to build_cfa_loc.
7377 (compute_frame_pointer_to_cfa_displacement): Rename to...
7378 (compute_frame_pointer_to_fb_displacement): ... this. New
7379 offset parameter. Use it in computation.
7380 (gen_subprogram_die): Compute cfa_fb_offset with the new
7381 macro, and use it to compute the fb loc list and the
7382 displacement.
7384 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7386 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7387 replaced with register_operand.
7388 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7389 non-DREG is expensive.
7390 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7391 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7392 involving memory.
7394 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7396 * doc/install.texi2html: Use set -e.
7398 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7400 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7401 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7402 * doc/invoke.texi (-fshared-data): Delete.
7403 * common.opt (fshared-data): Delete.
7404 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7405 (assemble_static_space): Remove #if 0 code.
7406 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7407 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7408 * config/cris/cris.h: Remove FIXME.
7410 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7412 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7413 hooks.
7415 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7417 PR middle-end/26379
7418 * combine.c (simplify_shift_const_1): Disable nested shifts
7419 optimization for vector shifts.
7421 2006-02-20 Roger Sayle <roger@eyesopen.com>
7423 PR tree-optimization/26361
7424 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7425 of unsigned integer types.
7427 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7429 * tree-chrec.c (eq_evolutions_p): New.
7430 * tree-chrec.h (eq_evolutions_p): Declared.
7431 * tree-data-ref.c: Fix formatting.
7432 (datadep_stats, dependence_stats): New.
7433 (gcd): Moved...
7434 (print_direction_vector): New.
7435 (dump_data_dependence_relation): Use print_direction_vector.
7436 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7437 (compute_subscript_distance): Static.
7438 (initialize_data_dependence_relation): Static. Get the number
7439 of loops surrounding the references from the callers, and initialize
7440 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7441 base_object_differ_p analyzers.
7442 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7443 compute_overlap_steps_for_affine_1_2,
7444 analyze_subscript_affine_affine): Count the classified dependences.
7445 Print a message when a test failed.
7446 (can_use_analyze_subscript_affine_affine): New.
7447 (analyze_siv_subscript): Compute the data dependences on symbolic
7448 scevs that verify can_use_analyze_subscript_affine_affine.
7449 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7450 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7451 Handle symbolic scevs.
7452 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7453 analyzed.
7454 (subscript_dependence_tester): Moved...
7455 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7456 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7457 DDR_SIZE_VECT instead of getting it in parameter.
7458 (subscript_dependence_tester): ... here. Take as a parameter
7459 loop_nest_depth. Call build_classic_dist_vector and
7460 build_classic_dir_vector.
7461 (compute_affine_dependence): Update subscript_dependence_tester
7462 parameters. Update datadep_stats counters. Call
7463 compute_subscript_distance.
7464 (compute_self_dependence): Save the dist and dir vectors. Call
7465 compute_subscript_distance.
7466 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7467 (compute_all_dependences): Reorder parameters as they were before
7468 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7469 compute_subscript_distance. Update the use of
7470 compute_affine_dependence and initialize_data_dependence_relation.
7471 (find_data_references_in_loop): Handle COMPONENT_REF.
7472 (compute_data_dependences_for_loop): Initialize dependence_stats.
7473 Don't call build_classic_dist_vector and build_classic_dir_vector.
7474 Update the parameters of initialize_data_dependence_relation and
7475 compute_all_dependences. Print the statistics from datadep_stats.
7476 (analyze_all_data_dependences): Static. Not used until the pass for
7477 checking the data dependences is contributed.
7478 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7479 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7480 (initialize_data_dependence_relation, compute_affine_dependence,
7481 analyze_all_data_dependences, compute_subscript_distance): Removed.
7482 (print_direction_vector): New.
7483 * lambda.h (gcd): ... here.
7484 (lambda_vector_gcd): Moved here from gcd_vector.
7485 * lambda-code.c (gcd, gcd_vector): Removed.
7486 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7487 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7489 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7491 * ipa-type-escape.c: Tidy some comments and white space.
7492 * tree-ssa-operands.c: Likewise.
7494 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7496 PR tree-opt/25879
7497 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7498 (dump_decl_name): Do not walk the decl tree chains.
7499 * tree-pass.h (TDF_CHAIN): Remove.
7501 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7503 * Makefile.in (C): Remove
7504 (PROTO): Remove
7505 (.PHONY): Remove C and PROTO
7507 2006-02-20 Roger Sayle <roger@eyesopen.com>
7509 PR middle-end/26236
7510 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7511 deprecated CHAR_TYPE tree code.
7513 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7515 * configure.ac (target_list): Add install-info, dvi, html.
7516 * configure: Regenerate.
7518 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7519 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7520 treelang/Make-lang.in: Do not use double-colon rules.
7522 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7524 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7525 (TMT_USED_ALONE): New macro.
7526 * tree-pass.h (PROP_tmt_usage): New property.
7527 (TODO_update_tmt_usage): New todo.
7528 * tree-ssa-alias.c (updating_used_alone): New variable.
7529 (recalculate_used_alone): New function.
7530 (compute_may_aliases): Set updating_used_alone, call
7531 recalculate_used_alone.
7532 * tree-sra.c (pass_sra): Note that this pass destroys
7533 PROP_tmt_usage, and add TODO_update_tmt_usage.
7534 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7535 * tree-flow.h (updating_used_alone): Prototype.
7536 (recalculate_used_alone): Ditto.
7537 * passes.c (execute_todo): Add code to set updating_used_alone,
7538 and call recalculate.
7539 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7540 for clobber if used alone, and add assert to verify used_alone
7541 status.
7543 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7545 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7546 for non tls symbols added.
7547 (legitimize_address): Do nothing for PLUS expressions if one of the
7548 addends is a tls symbol reference.
7550 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7552 PR bootstrap/25476
7554 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7556 * Makefile.in (BOOTSTRAPPING): New.
7557 (quickstrap): New definition if BOOTSTRAPPING=yes.
7559 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7560 * configure.ac: Substitute all_selected_languages with the languages
7561 that were configured. For all the other variables except
7562 lang_specs_files, include all the languages in the tree.
7563 * configure: Regenerate.
7565 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7566 if there is one. Run the commands to run fixincludes in the same
7567 subshell.
7569 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7570 * doc/install.texi: Document exact conventions for searching target tools.
7571 Document --with-build-time-tools. Document toplevel bootstrap. Document
7572 something more about building an Ada cross-compiler. Don't list GNU Make
7573 requirements which affect all platforms.
7575 2006-02-19 Roger Sayle <roger@eyesopen.com>
7577 PR middle-end/19543
7578 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7579 only equivalent if the have both the same mode and precision.
7581 2006-02-20 Ben Elliston <bje@au.ibm.com>
7583 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7585 2006-02-19 Roger Sayle <roger@eyesopen.com>
7586 Steven Bosscher <stevenb.gcc@gmail.com>
7588 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7589 constant pool references to identify stack mode constants.
7590 * rtlanal.c (constant_pool_constant_p): New predicate to check
7591 whether operand is a floating point constant in the pool.
7592 * rtl.h (constant_pool_constant_p): Prototype here.
7593 * loop.c (scan_loop): Avoid hoisting constants from the constant
7594 pool on STACK_REGS targets.
7595 (load_mems): Likewise.
7596 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7597 loads into x87 registers expensive in terms of register pressure.
7599 2006-02-19 Roger Sayle <roger@eyesopen.com>
7601 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7602 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7604 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7606 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7607 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7609 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7611 * doc/invoke.texi: Document -fipa-pta.
7612 * common.opt: Add ipa-pta option.
7613 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7614 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7615 (do_ds_constraint): Ditto.
7616 (get_constraint_for): Only add to referenced_vars if
7617 referenced_vars exists.
7618 (insert_into_field_list): Rewrite to do this unsorted.
7619 (insert_into_field_list_sorted): Rename old insert_into_field_list
7620 to this.
7621 (create_function_info_for): Use insert_into_field_list_sorted.
7622 (create_variable_info_for): Rewrite so it uses unsorted version,
7623 since the field list is sorted.
7624 (intra_create_variable_infos): Only add to referenced_vars if
7625 referenced_vars exists.
7626 (ipa_pta_execute): Init heapvars, and delete when done.
7627 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7629 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7631 * doc/install.texi: Add missing `@samp'.
7633 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7635 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7636 Use the arguments.
7638 2006-02-18 Mark Wielaard <mark@klomp.org>
7640 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7641 who added new 4.1 features, bug fixes and integration support.
7643 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7645 PR target/26350
7646 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7647 MEM for ABI_V4 pic.
7649 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7651 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7652 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7653 (copy_insn_1): Likewise. Don't copy each field individually.
7654 Reindent.
7655 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7656 of RTX_SIZE.
7657 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7658 * rtl.c (rtx_size): Rename variable to...
7659 (rtx_code_size): ...this.
7660 (rtx_size): New function.
7661 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7662 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7663 Reindent.
7664 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7665 * rtl.h (rtx_code_size): New variable.
7666 (rtx_size): Change from a variable to a function.
7667 (RTX_SIZE): Rename to...
7668 (RTX_CODE_SIZE): ...this.
7670 PR target/9703
7671 PR tree-optimization/17106
7672 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7673 (Anchored Addresses): New section.
7674 * doc/invoke.texi (-fsection-anchors): Document.
7675 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7676 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7677 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7678 * hooks.c (hook_bool_mode_rtx_false): New function.
7679 * hooks.h (hook_bool_mode_rtx_false): Declare.
7680 * gengtype.c (create_optional_field): New function.
7681 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7682 SYMBOL_REF_IN_BLOCK_P is true.
7683 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7684 (min_anchor_offset, max_anchor_offset): Likewise.
7685 (use_anchors_for_symbol_p): New hook.
7686 * toplev.c (compile_file): Call output_object_blocks.
7687 (target_supports_section_anchors_p): New function.
7688 (process_options): Check that -fsection-anchors is only used on
7689 targets that support it and when -funit-at-a-time is in effect.
7690 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7691 if the decl doesn't have one.
7692 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7693 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7694 of force_const_mem through use_anchored_address.
7695 (expand_expr_constant): New function.
7696 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7697 calling expand_expr for INDIRECT_REF.
7698 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7699 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7700 * expr.h (use_anchored_address): Declare.
7701 * loop-unroll.c: Don't declare rtx vectors here.
7702 * explow.c: Include output.h.
7703 (validize_mem): Call use_anchored_address.
7704 (use_anchored_address): New function.
7705 * common.opt (-fsection-anchors): New switch.
7706 * varasm.c (object_block_htab, anchor_labelno): New variables.
7707 (hash_section, object_block_entry_eq, object_block_entry_hash)
7708 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7709 (use_blocks_for_decl_p, change_symbol_section): New functions.
7710 (get_variable_section): New function, split out from assemble_variable.
7711 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7712 use_blocks_for_decl_p say so. Use change_symbol_section if the
7713 symbol has already been created.
7714 (assemble_variable_contents): New function, split out from...
7715 (assemble_variable): ...here. Don't output any code for
7716 block symbols; just pass them to place_block_symbol.
7717 Use get_variable_section and assemble_variable_contents.
7718 (get_constant_alignment, get_constant_section, get_constant_size): New
7719 functions, split from output_constant_def_contents.
7720 (build_constant_desc): Create a block symbol if use_object_blocks_p
7721 says so. Or into SYMBOL_REF_FLAGS.
7722 (assemble_constant_contents): New function, split from...
7723 (output_constant_def_contents): ...here. Don't output any code
7724 for block symbols; just pass them to place_section_symbol.
7725 Use get_constant_section and get_constant_alignment.
7726 (force_const_mem): Create a block symbol if use_object_blocks_p and
7727 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7728 (output_constant_pool_1): Add an explicit alignment argument.
7729 Don't switch sections here.
7730 (output_constant_pool): Adjust call to output_constant_pool_1.
7731 Switch sections here instead. Don't output anything for block symbols;
7732 just pass them to place_block_symbol.
7733 (init_varasm_once): Initialize object_block_htab.
7734 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7735 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7736 (place_block_symbol, get_section_anchor, output_object_block)
7737 (output_object_block_htab, output_object_blocks): New functions.
7738 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7739 (TARGET_ASM_OUT): Include it.
7740 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7741 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7742 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7743 (TARGET_INITIALIZER): Include them.
7744 * rtl.c (rtl_check_failed_block_symbol): New function.
7745 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7746 (block_symbol, object_block): New structures.
7747 (rtx_def): Add a block_symbol field to the union.
7748 (BLOCK_SYMBOL_CHECK): New macro.
7749 (rtl_check_failed_block_symbol): Declare.
7750 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7751 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7752 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7753 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7754 * output.h (output_section_symbols): Declare.
7755 (object_block): Name structure.
7756 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7757 (default_use_anchors_for_symbol_p): Declare.
7758 * Makefile.in (RTL_BASE_H): Add vec.h.
7759 (explow.o): Depend on output.h.
7760 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7761 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7762 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7763 (rs6000_use_blocks_for_constant_p): New function.
7765 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7767 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7769 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7771 PR tree-opt/25680
7772 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7773 IMAGPART_EXPR.
7775 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7777 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7778 is_aliased.
7779 Update all users.
7781 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7783 PR middle-end/26334
7784 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7785 instead of DECL_REGISTER.
7787 2006-02-18 Olivier Hainque <hainque@adacore.com>
7789 PR ada/13408
7790 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7792 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7794 PR target/24837
7795 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7796 * opth-gen.awk: Handle Var and InverseMask together.
7797 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7798 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7799 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7800 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7801 used together.
7802 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7803 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7804 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7805 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7806 LINUX_DYNAMIC_LINKER): Define.
7807 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7808 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7809 TARGET_GLIBC.
7810 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7811 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7812 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7813 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7814 (TARGET_C99_FUNCTIONS): Don't define.
7815 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7816 GLIBC_DYNAMIC_LINKER.
7817 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7818 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7819 GLIBC_DYNAMIC_LINKER64): Define.
7820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7821 LINUX_DYNAMIC_LINKER64.
7822 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7824 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7826 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7828 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7829 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7830 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7831 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7832 and LINUX_DYNAMIC_LINKER32.
7833 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7835 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7837 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7838 TARGET_GLIBC.
7839 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7840 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7841 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7842 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7843 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7844 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7845 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7846 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7847 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7848 LINUX_DYNAMIC_LINKER): Define.
7849 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7850 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7851 GLIBC_DYNAMIC_LINKER64): Define.
7852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7853 LINUX_DYNAMIC_LINKER64.
7854 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7855 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7856 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7857 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7858 LINUX_DYNAMIC_LINKER): Define.
7859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7860 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7861 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7862 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7863 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7864 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7865 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7866 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7867 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7868 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7869 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7870 * doc/invoke.texi (-muclibc): Remove caveat about supported
7871 targets.
7873 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7875 * doc/cpp.texi (__TIMESTAMP__): Document.
7877 2006-02-17 Roger Sayle <roger@eyesopen.com>
7879 PR middle-end/25600
7880 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7881 C is one less than the width of X (and related transformations).
7882 * simplify-rtx.c (simplify_unary_operation_1): Transform
7883 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7884 depending on STORE_FLAG_VALUE, were C is one less then the
7885 width of X.
7887 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7889 Fix PR tree-optimization/26341
7890 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7891 about NAME_MEMORY_TAG's.
7893 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7895 PR target/26255
7896 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7897 with hardware float support, and software float support. Add fcpy
7898 alternative to hardware patterns. Add alternatives to copy between
7899 general and floating-point registers to the 32-bit pattern.
7900 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7901 secondary reload to load a QI or HI mode constant into a floating
7902 point register.
7903 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7904 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7906 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7908 PR target/26272
7909 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7910 pc to the pattern.
7911 (load_macho_picbase_di): Likewise.
7913 2006-02-16 Jeff Law <law@redhat.com>
7915 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7916 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7917 (ssa_name_nonzero_p): Likewise.
7918 (get_value_range): Return NULL if VRP is not running.
7919 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7920 VRP routines do not discover a range.
7921 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7922 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7923 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7924 (tree_expr_nonnegative_p): Similarly.
7925 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7926 (restore_nonzero_vars_to_original_value): Remove.
7927 (unsafe_associative_fp_binop): Remove.
7928 (tree_ssa_dominator_optimize): Remove initialization and
7929 finalization of nonzero_vars and nonzero_vars_stack.
7930 (dom_opt_initialize_block): No longer push marker on
7931 nonzero_vars_stack.
7932 (dom_opt_finalize_block): No longer call
7933 restore_nonzero_vars_to_original_value.
7934 (record_equivalences_from_phis): No longer look for
7935 nonzero PHI arguments.
7936 (cprop_into_successor_phis): No longer propagate nonzero
7937 property into PHI arguments. Lose unused argument. Caller
7938 updated.
7939 (record_equivalences_from_stmt): No longer record nonzero
7940 values for SSA_NAMEs.
7941 (lookup_avail_expr): No longer use nonzero_vars.
7943 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7944 for sizetype when sizetype is unsigned.
7946 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7948 PR rtl-optimization/25603
7949 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7950 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7951 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7952 with new meaning of SETS.
7954 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7956 PR target/20353
7957 PR target/24578
7958 PR target/24837
7959 * config/linux.opt: New file.
7960 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7961 LINUX_DYNAMIC_LINKER): Define.
7962 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7963 * config.gcc (*-*-linux*): Define extra_options.
7964 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7965 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7966 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7967 GLIBC_DYNAMIC_LINKER.
7968 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7969 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7970 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7972 * doc/invoke.texi (GNU/Linux Options): New section.
7974 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7976 * config/sparc/sparc.md (setjmp): Rewrite.
7977 (setjmp_32): Delete.
7978 (setjmp_64): Likewise.
7980 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7982 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7983 previous change.
7985 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7987 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7988 read-write uses.
7990 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7992 PR rtl-optimization/26296
7993 * Makefile.in (loop-invariant.c): Add except.h dependency.
7994 * loop-invariant.c: Include except.h.
7995 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7997 2005-02-16 Paul Brook <paul@codesourcery.com>
7999 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8000 for reloads.
8002 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8004 PR rtl-optimization/25636
8005 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8006 when deciding whether an insn is an initializing insn.
8008 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8010 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8011 (tree_code_size): Ditto.
8012 * tree.h (struct tree_memory_tag): Remove parent_var.
8013 (struct tree_struct_field_tag): New.
8014 (SFT_OFFSET): New.
8015 (SFT_SIZE): New.
8016 (union tree_node): Add sft member.
8017 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8018 specially here.
8019 (create_sft): Add size and offset argument, set SFT_OFFSET and
8020 SFT_SIZE.
8021 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8022 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8023 * tree-flow-inline.h (get_subvar_at): Update for
8024 SFT_OFFSET/SFT_SIZE.
8025 (var_can_have_subvars): Ditto.
8026 (overlap_subvar): Ditto.
8027 * print-tree.c (print_node): Print out interesting things for
8028 SFT's.
8029 * tree-flow.h (struct subvar): Remove offset and size members.
8030 * tree-ssa-operands.c (get_expr_operands): Update for
8031 get_indirect_ref_operands changes.
8032 (get_indirect_ref_operands): Call add_virtual_operand instead of
8033 add_stmt_operand. Only recurse on base var if requested.
8034 (access_can_touch_variable): New function.
8035 (add_stmt_operand): Split virtual operand handling into ...
8036 (add_virtual_operand): Here. Add offset, size, and for_clobber
8037 arguments. Prune alias sets.
8038 (add_call_clobber_ops): Call add_virtual_operand.
8040 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8042 PR middle-end/26300
8043 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8045 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8046 than TREE_CODE as index into omp_clause_num_ops array.
8048 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8050 PR rtl-optimization/26184
8051 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8052 uses_of_defs.
8053 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8054 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8055 must_precede, must_follow and tobe_scheduled.
8057 PR other/26147
8058 * opts.c (common_handle_option): Free new_option pointer.
8059 * df-core.c (df_analyze): Free postorder pointer.
8061 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8063 * Makefile.in: Fix the examples about the use of stamps
8065 2006-02-15 Michael Matz <matz@suse.de>
8067 PR middle-end/22275
8069 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8070 influenced by maximum_field_alignment or DECL_PACKED.
8071 (update_alignment_for_field): Ditto.
8072 (place_field): Ditto.
8073 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8074 this behaviour.
8076 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8078 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8079 (debug_flow_info): Pass it.
8080 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8081 * bb-reorder.c (reorder_basic_blocks): Likewise.
8082 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8083 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8084 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8085 * gcse.c (gcse_main, bypass_jumps): Likewise.
8086 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8087 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8088 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8089 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8090 * rtl.h (dump_flow_info): Adjust prototype.
8091 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8092 * var-tracking.c (variable_tracking_main): Likewise.
8093 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8094 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8095 options.
8097 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8099 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8100 construction.
8102 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8104 PR tree-optimization/26209
8105 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8106 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8107 eh edges.
8108 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8110 2006-02-14 Roger Sayle <roger@eyesopen.com>
8112 PR middle-end/23670
8113 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8114 (X,Y) and the corresponding symmetry related transformations.
8115 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8116 (X,Y) and its symmetry related transformations.
8118 2006-02-14 Roger Sayle <roger@eyesopen.com>
8120 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8121 and GEU.
8123 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8125 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8127 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8129 PR bootstrap/26053
8130 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8131 support COMDAT group.
8132 * configure: Regenerate.
8134 2006-02-14 Roger Sayle <roger@eyesopen.com>
8136 PR middle-end/26279
8137 PR middle-end/26280
8138 PR middle-end/26283
8139 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8141 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8143 Fix PR tree-optimization/26260
8145 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8146 param.
8147 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8148 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8149 * tree-ssa-structalias.c (create_variable_info_for): Use
8150 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8152 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8154 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8155 Document.
8156 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8157 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8158 of the ending condition.
8159 * tree-ssa-loop-manip.c: Include params.h.
8160 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8161 tree_unroll_loop): New functions.
8162 * tree-pass.h (pass_loop_prefetch): Declare.
8163 * loop.c (rest_of_handle_loop_optimize): Test for
8164 -fprefetch-loop-arrays-rtl.
8165 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8166 * timevar.def (TV_TREE_PREFETCH): New timevar.
8167 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8168 pass_loop_prefetch): New.
8169 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8170 (cleanup_tree_cfg_loop): Call scev_reset.
8171 * common.opt (fprefetch-loop-arrays-rtl): Add.
8172 * tree-ssa-loop-prefetch.c: New file.
8173 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8174 (new_temp_expr_table): Initialize expr_vars.
8175 (free_temp_expr_table): Cleanup expr_vars.
8176 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8177 expressions from being merged into one.
8178 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8179 (struct tree_niter_desc): Add control, bound and cmp fields.
8180 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8181 Declare.
8182 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8183 (tree-cfgcleanup.o): Add SCEV_H dependency.
8184 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8185 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8187 2006-02-14 Richard Guenther <rguenther@suse.de>
8189 PR tree-optimization/26258
8190 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8191 in PHI argument processing.
8193 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8195 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8196 new expression in the requested machine mode.
8198 2006-02-13 Roger Sayle <roger@eyesopen.com>
8200 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8201 directly, instead let do_compare_rtx_and_jump handle this for us.
8202 * expr.c (expand_expr_real_1): Likewise.
8203 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8204 before do_jump_by_parts_greater.
8205 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8206 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8208 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8210 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8212 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8214 PR rtl-optimization/26235
8215 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8216 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8217 format.
8219 2006-02-13 Jeff Law <law@redhat.com>
8221 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8222 TRUTH_XOR_EPR.
8224 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8226 PR middle-end/26092
8227 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8228 twice if decl is a builtin. When trying again, call get_callee_fndecl
8229 first to verify it is still a builtin.
8231 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8233 * dwarf2out.c (base_type_die): Don't add AT_name here.
8234 (subrange_type_die): Don't add AT_name here.
8235 (modified_type_die): Rearrange code flow. Do add AT_name here.
8237 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8239 PR rtl-optimization/26247
8240 PR rtl-optimization/26248
8241 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8243 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8245 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8246 * config/fixtfdi.c: Likewise.
8247 * config/fixunstfdi.c: Likewise.
8248 * config/floatditf.c: Likewise.
8250 2006-02-13 Roger Sayle <roger@eyesopen.com>
8252 PR middle-end/24427
8253 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8254 into (X,C2) if C1 is a subset of the bits of C2. Transform
8255 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8256 (X&(C1&~C2))|C2.
8257 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8259 2006-02-13 Josh Conner <jconner@apple.com>
8261 PR target/25376
8262 * varasm.c (function_section): Check for section name before
8263 calling select_section on targets that define
8264 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8265 unlikely_text_section instead of hot_function_section if
8266 first_function_block_is_cold.
8268 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8270 PR middle-end/25335
8271 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8273 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8275 PR rtl-optimization/26222
8276 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8277 after tree->rtl expansion.
8278 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8279 before passing it to emit_move_insn.
8281 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8283 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8284 default.
8285 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8286 Clarify documentation.
8287 * c-common.h (warn_write_strings): Remove.
8288 * c-common.c (warn_write_strings): Likewise.
8289 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8290 default for C++.
8292 2006-02-12 Roger Sayle <roger@eyesopen.com>
8294 PR middle-end/25724
8295 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8296 (do_jump_parts_zero_rtx): New function renamed from
8297 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8298 (do_jump_parts_equality_rtx): New function split out from
8299 do_jump_parts_equality. Old implementation renamed as above.
8300 Call do_jump_parts_zero_rtx if either operand is zero.
8301 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8302 do all of the heavy lifting.
8303 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8304 calling either do_jump_by_parts_greater_rtx or
8305 do_jump_by_parts_equality_rtx.
8306 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8307 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8308 moved to do_compare_rtx_and_jump, call it directly.
8309 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8310 mode argument. Call do_compare_rtx_and_jump.
8311 (emit_case_nodes): Update calls to do_jump_if_equal.
8313 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8315 PR rtl-optimization/26225
8316 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8318 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8320 PR rtl-optimization/26232
8321 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8323 2006-02-11 Jason Merrill <jason@redhat.com>
8325 PR tree-opt/24365
8326 * tree-inline.c (declare_return_variable): Just don't use the
8327 modify target if it's a gimple complex reg and the return slot
8328 isn't.
8330 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8332 * doc/contrib.texi: Update my entry.
8334 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8336 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8338 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8340 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8341 expensive.
8343 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8345 * doc/invoke.texi (-floop-optimize2): Removed.
8346 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8347 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8348 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8349 * common.opt (floop-optimize2): Removed.
8350 (fmove-loop-invariants): Enabled by default.
8352 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8354 * tree-if-conv.c (combine_blocks): Free the result of
8355 get_loop_exit_edges.
8357 2006-02-10 Jeff Law <law@redhat.com>
8359 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8361 PR tree-optimization/26213
8362 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8363 loop trying to follow SSA_NAME_VALUE chains.
8365 2006-02-10 Richard Guenther <rguenther@suse.de>
8367 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8368 deal with structures that end in implicitly variable sized arrays.
8370 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8372 PR rtl-optimization/24762
8373 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8374 eh edges.
8376 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8378 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8379 (struct ivopts_data): Add regs_used field.
8380 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8381 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8382 instead of loop_data->regs_used;
8383 (free_loop_data): Do not free aux fields for loops.
8384 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8385 and tree_ssa_iv_optimize_finalize.
8387 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8389 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8391 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8393 PR target/26141
8394 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8395 computing the effective result type.
8397 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8399 PR inline-asm/16194
8400 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8401 (tree_overlaps_hard_reg_set): Declare.
8402 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8403 type and signature to match function type expected by walk_tree.
8404 (tree_overlaps_hard_reg_set): New function.
8405 (decl_conflicts_with_clobbers_p): Rename to:
8406 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8407 Use tree_overlaps_hard_reg_set. Changed caller.
8408 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8409 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8410 * cris.c (cris_md_asm_clobbers): Likewise.
8412 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8414 * reload1.c (emit_input_reload_insns): Delete code that tries to
8415 inherit using find_equiv_reg.
8417 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8419 * c-common.h (flag_const_strings): Don't declare.
8420 * c-common.c (flag_const_strings): Remove.
8421 * c.opt (fconst_strings): Remove.
8422 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8423 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8424 (c_common_init_options): Don't set flag_const_strings.
8425 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8427 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8429 * arm.md (tlobits_cbranch): New pattern.
8430 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8431 testing a single bit.
8433 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8435 PR tree-opt/26179
8436 * tree-ssa-pre.c (create_component_ref_by_pieces):
8437 Handle RETURN_DECL like VAR_DECL.
8439 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8441 PR middle-end/26134
8442 * fold-const.c (fold_indirect_ref_1): Fold
8443 "*(foo *)&complexfoo" to "__real__ complexfoo"
8444 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8446 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8448 * tree-flow-inline.h (var_can_have_subvars):
8449 Volatile variables should not have subvariables.
8451 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8453 PR 26180
8454 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8455 multiplying unsigned values.
8456 Tidy comments.
8458 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8460 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8462 2006-02-08 Jason Merrill <jason@redhat.com>
8464 PR c++/25979
8465 * tree.def: Elaborate on difference from MODIFY_EXPR.
8466 * doc/c-tree.texi (INIT_EXPR): Likewise.
8467 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8468 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8469 (gimplify_target_expr): Likewise.
8470 (gimplify_cond_expr): Remove target handling.
8471 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8472 (gimplify_expr): Clobber it here.
8473 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8474 Do return slot optimization if we have an INIT_EXPR.
8476 PR tree-opt/24365
8477 * tree-inline.c (declare_return_variable): Also clear
8478 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8480 PR c++/16405
8481 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8483 PR middle-end/22439
8484 * gimplify.c (gimplify_one_sizepos): Fix typo.
8486 2006-02-08 Jeff Law <law@redhat.com>
8488 PR tree-optimization/21417
8489 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8490 across a backedge if the control statement at the end of the
8491 block is data dependent on other statements in the same block.
8492 (record_temporary_equivalences_from_stmts): Remove over-conservative
8493 test for threading across backedges.
8495 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8496 control statement, handle all three special cases in the same
8497 manner as they all have the same desired solution. No longer
8498 special case edge flag updating when the post dominator is
8499 the exit block.
8501 2006-02-08 Roger Sayle <roger@eyesopen.com>
8503 * tree.def (CHAR_TYPE): Remove.
8504 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8505 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8506 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8507 (gen_string_type_die): Delete unreachable function.
8509 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8510 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8511 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8512 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8513 * builtins.c (type_to_class): Likewise.
8514 * fold-const.c (fold_convert, build_range_check,
8515 merge_ranges): Likewise.
8516 * expr.c (count_type_elements): Likewise.
8517 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8518 * stor-layout.c (layout_type): Likewise.
8519 * ipa-type-escape.c (type_to_consider): Likewise.
8520 * gimplify.c (omp_firstprivatize_type_sizes,
8521 gimplify_type_sizes): Likewise.
8522 * explow.c (promote_mode): Likewise.
8523 * tree-sra.c (is_sra_scalar_type): Likewise.
8524 * varasm.c (output_constant): Likewise.
8525 * tree-inline.c (remap_type_1): Likewise.
8526 * convert.c (convert_to_pointer, convert_to_real,
8527 convert_to_integer, convert_to_complex): Likewise.
8529 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8531 * df-scan.c (df_def_record_1): A set destination may
8532 be a parallel regardless of mode.
8534 2006-02-08 Roger Sayle <roger@eyesopen.com>
8536 PR target/22209
8537 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8538 * config/mips/_tilib.c: Remove.
8539 * config/fixtfdi.c: New libgcc source file.
8540 * config/fixunstfdi.c: New source file.
8541 * config/floatditf.c: New source file.
8542 * config/floatunditf.c: New souce file.
8543 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8544 files above instead of config/mips/_tilib.c.
8545 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8547 2006-02-08 Jeff Law <law@redhat.com>
8549 PR tree-optimization/26169
8550 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8551 threading jumps.
8553 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8555 * df.h (DF_REG_SIZE): Return the length of the initialized
8556 part of the array.
8558 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8560 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8561 __muldf3): Return a correctly signed zero.
8563 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8565 * passes.c (register_one_dump_file): Accept the current properties
8566 instead of pass number. Adjust call to dump_register. Remove
8567 duplicated code.
8568 (register_dump_files): Now a wrapper around...
8569 (register_dump_files_1): ... this one. Do not modify the pass
8570 structure.
8571 (next_pass_1): Cosmetic fix.
8572 (execute_todo): Keep second parameter only. Use curr_properties
8573 instead of fetching it from the pass structure. Check and set
8574 last_verified.
8575 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8576 instead of fetching it from the pass structure. Fix calls to
8577 execute_todo. Update curr_properties and initialize .vcg RTL dump
8578 after running the pass. Reset last_verified.
8579 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8580 at the beginning.
8581 (FIRST_AUTO_NUMBERED_DUMP): New.
8582 (dump_register): Remove "num" parameter, assign it within the
8583 function.
8584 (get_dump_file_name): Modify template for dumps.
8585 * tree-dump.h (dump_register): Adjust prototype.
8586 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8587 (PROP_trees): Add PROP_gimple_lomp.
8588 (TODO_set_props): New.
8589 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8590 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8591 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8593 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8595 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8596 (sparc64-*-linux*): Likewise.
8597 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8598 * config/sparc/t-linux: New file.
8599 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8600 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8601 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8602 -m32 -mlong-double-128.
8604 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8605 * config/alpha/t-linux: New file.
8606 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8608 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8609 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8610 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8611 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8612 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8613 (CPP_ARCH32_SPEC): Remove.
8615 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8617 PR tree-optimization/26145
8618 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8619 bbs pointer.
8621 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8623 PR target/26109
8624 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8625 >= 240000 when generating code for SOM runtime.
8626 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8627 to $$dyncall when generating code for SOM runtime..
8629 2006-02-07 Dirk Mueller <dmueller@suse.com>
8631 PR c++/18150
8632 * doc/invoke.texi (-Wsequence-point): Update documentation
8633 that -Wsequence-point is implemented for C++ as well.
8635 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8637 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8638 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8639 (LIB_SPEC): Likewise.
8640 * doc/invoke.texi (SPARC options): Document -pthread.
8642 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8644 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8645 PIC addresses.
8647 2006-02-07 Roger Sayle <roger@eyesopen.com>
8649 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8650 Correct comment describing BOOLEAN_TYPE.
8652 2006-02-07 Dirk Mueller <dmueller@suse.com>
8654 * c.opt: C++ frontend supports -Wdiv-by-zero.
8655 * c-opts.c (c_common_handle_option): Remove dead case.
8657 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8659 * configure.ac (TLS assembler check): Do not enable TLS by
8660 default on SPARC/Solaris before version 10.
8661 * configure: Regenerate.
8663 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8665 * doc/invoke.texi (xl-compat): Document conversion and support
8666 routine names.
8668 2006-02-07 Jeff Law <law@redhat.com>
8670 * tree-vrp.c (find_conditional_asserts): Update comments.
8671 (simplify_stmt_for_jump_threading): New.
8672 (identify_jump_threads, finalize_jump_threads): New.
8673 (vrp_finalize): Call identify_jump_threads.
8674 (execute_vrp): Call finalize_jump_threads.
8675 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8676 (vrp_element, vrp_data, vrp_element_p): Remove.
8677 (vrp_hash_elt, vrp_variables_stack): Remove.
8678 (vrp_hash, vrp_eq, record_range): Remove.
8679 (simplify_cond_and_lookup_avail_expr): Remove.
8680 (extract_range_from_cond): Remove.
8681 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8682 (simplify_stmt_for_jump_threading): New.
8683 (dom_thread_across_edge): New wrapper.
8684 (tree_ssa_dominator_optimize): No longer initialize or
8685 finalize any of the VRP datastructures. Remove iteration
8686 step and simplify as a result of removal of iteration step.
8687 (pass_dominator): Perform a cfg cleanup after DOM.
8688 (dom_opt_finalize_block): Use the new common routines
8689 for threading jumps. Simplify stack management slightly.
8690 No longer need to unwind VRP state.
8691 (record_equivalences_from_incoming_edge): No longer record
8692 VRP information.
8693 (eliminate_redundant_computations): No longer call
8694 simplify_cond_and_lookup_avail_expr.
8695 * tree-flow.h (potentially_threadable_block): Prototype.
8696 (thread_across_edge): Likewise.
8697 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8698 (tree-ssa-threadedge.o): Add dependencies.
8699 * tree-ssa-threadedge.c: New file.
8700 * passes.c (init_optimization_passes): Merge PHIs before
8701 calling VRP. Run VRP again late in the SSA optimization pipeline.
8703 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8705 * df-core.c (df_set_blocks): Do not dereference function pointers.
8706 (df_finish1): Likewise.
8707 (df_hybrid_search_forward): Likewise.
8708 (df_hybrid_search_backward): Likewise.
8709 (df_iterative_dataflow): Likewise.
8710 (df_analyze_problem): Likewise.
8711 (df_compact_blocks): Likewise.
8712 (df_dump): Likewise.
8713 * df-scan.c (df_rescan_blocks): Likewise.
8714 (df_record_entry_block_defs): Likewise.
8716 * genconditions.c (write_conditions): Guard the definition of
8717 'insn_conditions' with the check on GCC version.
8718 (write_writer): Guard the traversal 'insn_conditions' with
8719 the check on GCC version.
8721 2006-02-07 Richard Guenther <rguenther@suse.de>
8723 PR c++/26140
8724 Revert
8725 2006-01-30 Richard Guenther <rguenther@suse.de>
8726 PR c++/23372
8727 * gimplify.c (gimplify_target_expr): Handle easy cases
8728 without creating a temporary.
8730 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8732 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8733 use of float in probability computations. Use edge probabilities
8734 in place of statically computed probabilities.
8735 (min_spec_prob): New static variable.
8736 (schedule_insns): Initialize it.
8737 (GET_SRC_PROB): Removed.
8738 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8740 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8742 PR debug/24444
8743 * config/ia64/unwind-ia64.c: Revert last change.
8744 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8745 (INCOMING_FRAME_SP_OFFSET): Define.
8747 2006-02-06 Roger Sayle <roger@eyesopen.com>
8749 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8751 2006-02-07 Ben Elliston <bje@au.ibm.com>
8753 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8754 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8755 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8756 (ix86_return_in_memory): Handle TDmode.
8757 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8758 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8760 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8762 * reorg.c (dbr_schedule): Use dump_file instead of file.
8764 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8766 PR target/25917
8767 * config/ia64/predicates.md (extr_len_operand): New predicate.
8768 * config/ia64/ia64.md (extv): Tighten constraints.
8769 (extzv): Ditto.
8770 (*tbit_and_2): Ditto.
8771 (*tbit_and_3): Ditto.
8772 (*tbit_or_2): Ditto.
8773 (*tbit_or_3): Ditto.
8774 (*bit_zero): Ditto.
8775 (*bit_one): Ditto.
8777 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8779 PR target/23359
8780 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8782 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8784 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8785 loop_optimizer_init and loop_optimizer_finalize
8786 * tree-ssa-sink.c (execute_sink_code): Ditto.
8787 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8788 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8789 tree_ssa_loop_done): Ditto.
8790 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8791 * sched-ebb.c: Include output.h.
8792 (schedule_ebbs): Do not use dump argument.
8793 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8794 * loop.c (loop_dump_stream): Removed.
8795 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8796 argument.
8797 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8798 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8799 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8800 loop_iterations, strength_reduce, record_biv, record_giv,
8801 final_giv_value, check_final_value, check_ext_dependent_givs,
8802 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8803 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8804 dump_file instead of loop_dump_stream.
8805 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8806 argument dump_file.
8807 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8808 dump argument.
8809 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8810 * haifa-sched.c: Include output.h
8811 (schedule_insns, sched_init): Do not use dump argument.
8812 * mode-switching.c (optimize_mode_switching): Ditto.
8813 * modulo-sched.c (stats_file): Removed.
8814 (print_node_sched_params): Do not call argument dump_file.
8815 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8816 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8817 of stats_file.
8818 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8819 use dump argument.
8820 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8821 rtl_loop_init, rtl_loop_done): Ditto.
8822 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8823 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8824 Ditto.
8825 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8826 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8827 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8828 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8829 * emit-rtl.c (renumber_insns): Ditto.
8830 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8831 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8832 * regclass.c (regclass): Ditto.
8833 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8834 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8835 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8836 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8837 Ditto.
8838 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8839 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8840 to regclass.
8841 * gcse.c (gcse_file, debug_stderr): Removed.
8842 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8843 rest_of_handle_gcse): Do not use dump argument.
8844 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8845 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8846 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8847 compute_code_hoist_vbeinout, compute_code_hoist_data,
8848 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8849 compute_store_table, build_store_vectors, insert_insn_start_bb,
8850 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8851 store_motion): Use dump_file instead of gcse_file.
8852 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8853 * profile.c (profile_dump_file): Removed.
8854 (branch_prob): Use dump_file instead of profile_dump_file.
8855 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8856 dump_file.
8857 * tree-ssa-copy.c (dump_copy_of): Ditto.
8858 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8859 dump file to life_analysis.
8860 * bt-load.c (branch_target_load_optimize): Ditto.
8861 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8862 renumber_insns.
8863 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8864 regclass, dbr_schedule): Declaration changed.
8865 * sched-int.h (sched_init): Declaration changed.
8866 * tree-profile.c (tree_profile_dump_file): Removed.
8867 (tree_profile_hooks): Removed profile_dump_file hook.
8868 * rtl-profile (rtl_profile_dump_file): Removed.
8869 (rtl_profile_hooks): emoved profile_dump_file hook.
8870 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8871 changed.
8872 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8873 * tree-cfg.c (build_tree_cfg): Ditto.
8874 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8875 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8876 Declaration changed.
8877 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8878 life_analysis and schedule_insns.
8879 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8880 life_analysis.
8881 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8882 dbr_schedule.
8883 * config/mips/mips.c (mips_reorg): Ditto.
8884 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8885 schedule_ebbs.
8887 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8889 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8890 (s390_mangle_fundamental_type): New.
8891 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8892 Define.
8894 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8895 (alpha_mangle_fundamental_type): New.
8896 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8897 Define.
8899 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8900 Define.
8901 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8902 Define.
8903 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8904 (sparc_mangle_fundamental_type): New.
8906 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8908 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8909 (s390x-*-linux*): Likewise.
8910 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8911 * config/s390/t-linux: New file.
8913 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8915 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8916 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8918 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8920 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8921 (ANTIC_SAFE_LOADS): New macro.
8922 (find_or_generate_expression): Add prototype.
8923 (set_contains_value): Allow null set for sake of not always having
8924 to allocate ANTIC_SAFE_LOADS.
8925 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8926 Allow COMPONENT_REF too.
8927 (valid_in_set): Allow COMPONENT_REF.
8928 Check ANTIC_SAFE_LOADS too.
8929 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8930 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8931 rename.
8932 (can_PRE_operation): Add COMPONENT_REF.
8933 (create_component_ref_by_pieces): New function.
8934 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8935 (insert_aux): Move AGGREGATE_TYPE_P check here.
8936 (compute_avail): Set bb local stmt uids.
8937 (pass_pre): Use TODO_update_ssa_only_virtuals.
8939 2006-02-06 Ben Elliston <bje@au.ibm.com>
8941 * configure.ac: Unconditionally disable decimal float by default.
8942 * configure: Regenerate.
8944 2006-02-06 Ben Elliston <bje@au.ibm.com>
8946 * read-rtl.c (read_name): Terminate reading on EOF.
8948 2006-02-06 Ben Elliston <bje@au.ibm.com>
8950 * dfp.c (decimal_real_arithmetic): Change second argument type
8951 from int to enum tree_code. Do not always return true, but now
8952 return result of any call to decimal_do helper functions.
8953 * dfp.h (decimal_real_arithmetic): Update prototype.
8955 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8957 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8959 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8961 PR tree-opt/25251
8962 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8963 forced labels.
8965 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8967 * tree-vrp.c (cfg_loops): Removed.
8968 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8969 Use current_loops instead of cfg_loops. Pass flags to
8970 loop_optimizer_init.
8971 * cfgloopmanip.c (fix_loop_structure): Update only available
8972 information.
8973 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8974 loop_optimizer_init.
8975 * modulo-sched.c (build_loops_structure): Removed.
8976 (sms_schedule): Use loop_optimizer_init.
8977 * loop-init.c (loop_optimizer_init): Use flags to determine
8978 which properties of loops to prepare.
8979 (rtl_loop_init): Pass flags to loop_optimizer_init.
8980 * tree-ssa-sink.c (execute_sink_code): Ditto.
8981 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8982 * tree-ssa-pre.c (init_pre): Ditto.
8983 * cfgloop.h (LOOPS_NORMAL): New.
8984 (loop_optimizer_init): Declaration changed.
8986 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8988 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8989 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8990 pa/t-pa.
8991 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8992 pa/t-pa.
8993 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8994 pa/x-ada.
8995 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8996 * pa/t-pa64: Delete quadlib.c rule.
8997 * pa/x-ada: Revert last change.
8998 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9000 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9002 PR rtl-optimization/26087
9003 * rtlanal.c (canonicalize_condition): Do not cross basic block
9004 boundaries.
9006 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9008 PR debug/24444
9009 * config/ia64/ia64.c: Include debug.h.
9010 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9011 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9012 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9013 (process_epilogue, process_set, process_for_unwind_directive):
9014 Output unwind info only if requested. Add CFA info if requested.
9015 Add new arguments as needed. Adjust callers.
9016 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9017 incorrect default.
9018 (DWARF2_FRAME_INFO): Define to zero.
9019 * config/ia64/unwind-ia64.c: Remove code that compensated for
9020 the CFA offset error fixed above.
9021 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9022 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9023 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9024 -funwind-tables and -fexceptions to enable frame info.
9025 (dwarf2out_frame_init): Define initial CFA even if
9026 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9027 DWARF2_UNWIND_INFO is nonzero, not just defined.
9028 (dwarf2out_frame_finish): Output non-EH call frame info only
9029 if DWARF2_FRAME_INFO is nonzero.
9030 (convert_cfa_to_loc_list,
9031 compute_frame_pointer_to_cfa_displacement): Define even if
9032 unwind info is not supported.
9033 (gen_subprogram_die): Use the above unconditionally. Remove
9034 legacy alternate code.
9035 * toplev.c (compile_file): Compile in call to
9036 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9037 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9039 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9040 Jakub Jelinek <jakub@redhat.com>
9042 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9043 IBM extended float format long double as "g" on powerpc*-linux.
9045 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9047 PR target/25926
9048 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9049 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9051 2006-02-03 Jason Merrill <jason@redhat.com>
9053 PR c++/25979
9054 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9056 PR middle-end/25977
9057 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9058 on the return slot if it's an NRV.
9060 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9062 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9063 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9064 rewrite_use): Do not handle USE_OUTER.
9065 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9066 add_iv_outer_candidates, may_replace_final_value,
9067 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9068 (find_interesting_uses_op): Functionality of
9069 find_interesting_uses_outer_or_nonlin moved here.
9070 (find_interesting_uses_outside): Use find_interesting_uses_op.
9072 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9074 PR target/25960
9075 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9077 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9078 Ulrich Weigand <uweigand@de.ibm.com>
9080 PR target/25864
9081 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9082 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9083 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9084 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9085 and dxr fields.
9086 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9087 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9088 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9089 Define secondary reloads for TFmode moves.
9090 (constant_modes): Add TFmode.
9091 (NR_C_MODES): Set to 8.
9092 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9093 builtin define.
9094 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9095 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9096 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9097 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9098 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9099 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9100 (FPR mode macro): Add TFmode.
9101 (DSF mode macro): New.
9102 (<de>, <dee> mode attributes): Removed.
9103 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9104 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9105 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9106 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9107 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9108 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9109 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9110 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9111 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9112 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9113 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9114 "*negabs<mode>2", "sqrt<mode>2"):
9115 Changed <de> to <xde>. R constraint replaced by <Rf>.
9116 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9117 <Rf>.
9118 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9119 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9120 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9121 splitters.
9122 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9123 "extenddftf2", "extendsftf2"): New expanders.
9124 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9125 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9126 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9127 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9128 New options.
9129 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9130 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9131 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9132 __floatditf): Add a GCC_4.1.0 symbol version tag.
9133 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9134 the new options.
9136 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9138 PR target/25377
9139 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9140 Use targetm.binds_local_p instead of TREE_PUBLIC.
9142 2006-02-02 Roger Sayle <roger@eyesopen.com>
9144 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9145 on INTEGER_TYPEs to indicate that it denotes a character type.
9146 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9147 signed_char_type_node, unsigned_char_type_node and char_type_node.
9148 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9149 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9150 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9152 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9153 Daniel Berlin <dberlin@dberlin.org>
9155 * tree-tailcall.c (arg_needs_copy_p): New function.
9156 (eliminate_tail_call): Use arg_needs_copy_p.
9157 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9158 (add_virtual_phis): New function.
9160 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9162 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9163 #ignore instead of #scratch for %g7 .register directive.
9165 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9167 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9168 object files.
9170 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9172 * flow.c (calculate_global_regs_live): Assert that there aren't any
9173 EDGE_FAKE edges.
9175 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9177 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9178 what its name says.
9179 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9180 bsi_after_labels iterator.
9181 * tree-if-conv.c (find_phi_replacement_condition,
9182 replace_phi_with_cond_modify_expr): Likewise.
9183 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9184 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9186 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9188 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9190 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9192 PR 25990
9193 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9194 array after growing it.
9196 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9198 PR middle-end/24901
9199 * fold-const.c (fold_checksum_tree): Change type of buf.
9201 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9203 * reload.c (push_secondary_reload): Initialize t_icode.
9205 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9207 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9208 -msoft-float -mlong-double-128 only issue a warning, but don't
9209 swich to DFmode long double.
9211 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9213 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9214 has a constant equivalent, iterate over equivalents for arg0,
9215 calling simplify_relational_operation and if there's a result
9216 cheaper than X, apply fold_rtx and return the result.
9218 2006-02-01 Jan Hubicka <jh@suse.cz>
9220 * opts.c (no_unit_at_a_time_default): New global variable.
9221 (decode_options): Use it.
9222 * opts.h (no_unit_at_a_time_default): Declare.
9224 2006-02-01 Paul Brook <paul@codesourcery.com>
9226 * function.c (assign_parm_setup_reg): Use function argument promotion
9227 rules.
9228 * expr.c (expand_expr_real_1): Use function argument promotion rules
9229 for PARM_DECLs.
9231 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9233 * gcc.c (process_command): Change j to 'unsigned int'.
9235 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9237 PR middle-end/26001
9238 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9239 Use the corrected index for the character
9240 out of the string constant.
9242 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9244 * mode-switching.c (optimize_mode_switching): Fix size
9245 allocated for bb_info[n_entities].
9247 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9249 * gcc.c (main): Correct type that is allocated for
9250 explicit_link_files.
9252 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9254 * config/s390/s390.c (init_alignment_context): Set
9255 ALIAS_SET_MEMORY_BARRIER on the MEM.
9256 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9258 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9260 PR middle-end/25933
9261 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9262 dom_bbs pointer.
9263 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9264 call to tpa_init.
9266 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9268 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9269 * regrename.c: Ditto.
9270 * tree-ssa-loop-im.c: Ditto.
9271 * tree-dump.c: Ditto.
9272 * tree-complex.c: Ditto.
9273 * genrecog.c: Ditto.
9274 * tree-ssa-threadupdate.c: Ditto.
9275 * tracer.c: Ditto.
9276 * java/class.c: Ditto.
9277 * java/jcf-parse.c: Ditto.
9278 * java/resource.c: Ditto.
9279 * java/except.c: Ditto.
9280 * java/jvspec.c: Ditto.
9281 * java/jcf-write.c: Ditto.
9282 * java/jcf-path.c: Ditto.
9283 * java/gjavah.c: Ditto.
9284 * java/zextract.c: Ditto.
9285 * java/jcf-io.c: Ditto.
9286 * java/jcf.h: Ditto.
9287 * java/buffer.c: Ditto.
9288 * java/lang.c: Ditto.
9289 * java/parse-scan.y: Ditto.
9290 * java/lex.c: Ditto.
9291 * java/lex.h: Ditto.
9292 * cfgloopmanip.c: Ditto.
9293 * postreload-gcse.c: Ditto.
9294 * tree-ssa-loop-manip.c: Ditto.
9295 * postreload.c: Ditto.
9296 * tree-ssa-loop-ch.c: Ditto.
9297 * loop.c: Ditto.
9298 * ipa-cp.c: Ditto.
9299 * cppspec.c: Ditto.
9300 * diagnostic.c: Ditto.
9301 * final.c: Ditto.
9302 * genoutput.c: Ditto.
9303 * gcc.c: Ditto.
9304 * cfghooks.c: Ditto.
9305 * cfgloopanal.c: Ditto.
9306 * objc/objc-act.c: Ditto.
9307 * gcov.c: Ditto.
9308 * genextract.c: Ditto.
9309 * genautomata.c: Ditto.
9310 * pretty-print.c: Ditto.
9311 * genemit.c: Ditto.
9312 * cgraphunit.c: Ditto.
9313 * flow.c: Ditto.
9314 * df-scan.c: Ditto.
9315 * haifa-sched.c: Ditto.
9316 * dominance.c: Ditto.
9317 * dbxout.c: Ditto.
9318 * tree-ssa-loop-ivopts.c: Ditto.
9319 * df-core.c: Ditto.
9320 * mode-switching.c: Ditto.
9321 * modulo-sched.c: Ditto.
9322 * graph.c: Ditto.
9323 * ipa-pure-const.c: Ditto.
9324 * cse.c: Ditto.
9325 * fix-header.c: Ditto.
9326 * web.c: Ditto.
9327 * tree-stdarg.c: Ditto.
9328 * ipa-utils.c: Ditto.
9329 * loop-init.c: Ditto.
9330 * ipa-inline.c: Ditto.
9331 * cfganal.c: Ditto.
9332 * global.c: Ditto.
9333 * alloc-pool.c: Ditto.
9334 * dwarf2out.c: Ditto.
9335 * opts.c: Ditto.
9336 * genattrtab.c: Ditto.
9337 * tree-ssa-loop-ivcanon.c: Ditto.
9338 * predict.c: Ditto.
9339 * timevar.c: Ditto.
9340 * lcm.c: Ditto.
9341 * fortran/gfortranspec.c: Ditto.
9342 * regmove.c: Ditto.
9343 * local-alloc.c: Ditto.
9344 * langhooks.c: Ditto.
9345 * function.c: Ditto.
9346 * tree-vectorizer.c: Ditto.
9347 * gcse.c: Ditto.
9348 * ipa-type-escape.c: Ditto.
9349 * alias.c: Ditto.
9350 * tree-if-conv.c: Ditto.
9351 * profile.c: Ditto.
9352 * ipa.c: Ditto.
9353 * tree-data-ref.c: Ditto.
9354 * loop-unroll.c: Ditto.
9355 * treelang/treetree.c: Ditto.
9356 * calls.c: Ditto.
9357 * bt-load.c: Ditto.
9358 * ggc-common.c: Ditto.
9359 * except.c: Ditto.
9360 * coverage.c: Ditto.
9361 * cselib.c: Ditto.
9362 * tree-cfgcleanup.c: Ditto.
9363 * tree-ssa-pre.c: Ditto.
9364 * cfgcleanup.c: Ditto.
9365 * loop-invariant.c: Ditto.
9366 * loop-iv.c: Ditto.
9367 * ipa-prop.c: Ditto.
9368 * print-tree.c: Ditto.
9369 * conflict.c: Ditto.
9370 * ggc-page.c: Ditto.
9371 * sched-deps.c: Ditto.
9372 * regclass.c: Ditto.
9373 * tree-object-size.c: Ditto.
9374 * combine.c: Ditto.
9375 * bb-reorder.c: Ditto.
9376 * resource.c: Ditto.
9377 * var-tracking.c: Ditto.
9378 * cfgloop.c: Ditto.
9379 * df-problems.c: Ditto.
9380 * reg-stack.c: Ditto.
9381 * tlink.c: Ditto.
9382 * gccspec.c: Ditto.
9383 * sched-rgn.c: Ditto.
9384 * tree-ssa-structalias.c: Ditto.
9385 * tree-ssa-reassoc.c: Ditto.
9386 * config/darwin-c.c: Ditto.
9387 * config/darwin.c: Ditto.
9388 * config/arm/arm.c: Ditto.
9389 * cfgrtl.c: Ditto.
9390 * collect2.c: Ditto.
9391 * reload1.c: Ditto.
9393 2006-01-31 Nicolas Pitre <nico@cam.org>
9395 * arm.md (smaxsi3): Make aware of smax_m1.
9396 (smax_m1): New.
9398 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9400 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9402 2006-01-31 Richard Guenther <rguenther@suse.de>
9404 * doc/invoke.texi (-msselibm): Document.
9405 * target.h (expand_library_builtin): New target hook.
9406 * builtins.c (expand_builtin): Use expand_library_builtin.
9407 (default_expand_library_builtin): New function.
9408 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9409 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9410 (link_gcc_math_spec): Declare.
9411 (static_specs): Add link_gcc_math_spec.
9412 * expr.h (default_expand_library_builtin): Declare.
9413 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9414 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9415 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9416 * config/i386/i386.opt (msselibm): New target option.
9417 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9418 (ix86_init_sse_abi_builtins): New function.
9419 (ix86_expand_library_builtin): Likewise.
9420 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9421 (override_options): Handle error conditions wrt -msselibm.
9422 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9423 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9424 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9425 builtins.
9427 2006-01-31 Richard Guenther <rguenther@suse.de>
9428 Paolo Bonzini <bonzini@gnu.org>
9430 * doc/install.texi (--disable-libgcc-math): Document.
9432 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9434 * expr.h (expand_normal): new inline function.
9435 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9436 * dojump.c: use it.
9437 * dwarf2out.c: use it.
9438 * expr.c: use it.
9439 * calls.c: use it.
9440 * expmed.c: use it.
9441 * except.c: use it.
9442 * config/sparc/sparc.c: use it.
9443 * config/i386/i386.c: use it.
9444 * config/rs6000/rs6000.c: use it.
9445 * config/arm/arm.c: use it.
9446 * config/mips/mips.c: use it.
9447 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9449 2006-01-30 Roger Sayle <roger@eyesopen.com>
9451 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9452 argv to the appropriate type.
9454 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9456 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9457 unreachable code.
9459 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9461 PR target/26018
9462 * config/s390/s390.c (struct machine_function): New flag
9463 decomposed_literal_pool_addresses_ok_p.
9464 (s390_reorg): Set it before final stage of literal pool transforms.
9465 (s390_decompose_address): Only accept displacements of the form
9466 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9468 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9470 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9471 the comparison routine return.
9473 2006-01-30 Michael Matz <matz@suse.de>
9475 * global.c (find_reg): Only evict for global regs.
9476 Take n_refs into account and dump more info.
9478 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9480 PR target/14798:
9481 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9482 (pragma_trap, pragma_nosave_low_regs): Likewise.
9483 (current_function_anonymous_args): Likewise.
9484 (sh_deferred_function_attributes): New variable.
9485 (sh_deferred_function_attributes_tail): Likewise.
9486 (print_operand): For '@', look up trap_exit attribute.
9487 (calc_live_regs): Look up trapa_handler attribute. For trapa
9488 handlers, save/restore fpscr, but don't do any other
9489 interrupt-specific saves.
9490 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9491 Fix check for partially saved registers to check for SHmedia.
9492 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9493 (sh_output_function_epilogue): Don't clear any of the removed
9494 variables.
9495 (sh_insert_attributes): Don't check pragma_interrupt.
9496 Insert deferred attributes. Check that interrupt attribute is
9497 present for other attributes that require its presence.
9498 (sh_attribute_table): Add new attributes trapa_handler and
9499 nosave_low_regs.
9500 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9501 Don't check for pragma_interrupt. Don't store argument.
9502 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9503 (sh_deferred_function_attributes): Declare.
9504 (sh_deferred_function_attributes_tail): Likewise.
9505 * sh.md (sp_switch_1): Add operand. Change generator caller.
9506 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9507 (*return_i): Don't use when trap_exit attribute is in effect.
9508 (*return_trapa): New insn pattern.
9509 * sh-c.c: New file.
9510 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9511 setting c_target_objs and cxx_target_objs.
9512 * t-sh: Add rule for sh-c.o.
9514 2006-01-30 Richard Guenther <rguenther@suse.de>
9516 PR c++/23372
9517 * gimplify.c (gimplify_target_expr): Handle easy cases
9518 without creating a temporary.
9520 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9522 * vec.h (safe_grow): Remove duplicated line.
9524 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9526 PR 25874
9527 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9528 (expand_omp): ... here.
9529 (expand_omp_parallel): Only remove barriers for combined
9530 parallel+workshare constructs.
9532 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9534 Revert
9536 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9537 * tree.c (build_qualified_type): Chain the new type to the original
9538 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9539 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9540 (build_pointer_type_for_mode): Only return unqualified types.
9541 (build_reference_type_for_mode): Likewise.
9543 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9545 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9546 * Makefile.in (CXX_COMPAT_WARN): Define.
9547 * configure: Regenerate.
9549 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9551 PR tree-opt/25911
9552 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9553 to an if check.
9555 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9557 * toplev.c: Fix thinko.
9559 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9560 Marcin Dalecki <martin@dalecki.de>
9562 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9563 (push_srcloc): Use XNEW.
9564 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9566 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9568 * df-core.c (df_set_blocks): Deleted all variable.
9570 2006-01-28 Ian Lance Taylor <ian@airs.com>
9572 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9573 cgraph_output_pending_asms.
9575 2006-01-28 Zack Weinberg <zackw@panix.com>
9577 * c.opt: Add -W(no-)overlength-strings.
9578 * doc/invoke.texi: Document it.
9579 * c-opts.c (c_common_handle_option): -pedantic implies
9580 -Woverlength-strings, if not explicitly disabled already.
9581 (c_common_post_options): -Woverlength-strings defaults to off, and
9582 is always off for C++.
9583 * c-common.c (fix_string_type): Issue warning about strings longer
9584 than is portable only if warn_overlength_strings. Rearrange code
9585 a little for clarity.
9586 * configure.in: Check for -Wno-overlength-strings as well before
9587 enabling -pedantic in stage 1.
9588 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9589 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9591 * genconditions.c (write_header, write_one_condition)
9592 (write_conditions, write_writer): Consolidate very long strings
9593 that were broken up to fit in C89 portable limit. Don't use
9594 printf when fputs will do.
9596 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9598 * combine.c (simplify_comparison <AND>): Check
9599 TRULY_NOOP_TRUNCATION before start using a subreg.
9601 * config/mips/mips.md (*branch_zero<mode>,
9602 *branch_zero<mode>_inverted, *branch_equality<mode>,
9603 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9604 Remove mode check from comparisons.
9606 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9608 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9610 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9612 * expmed.c (const_mult_add_overflow_p): Remove.
9613 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9615 * recog.c (validate_replace_rtx_subexp): Remove.
9616 * recog.h: Remove the prototype for
9617 validate_replace_rtx_subexp.
9619 * integrate.h: Remove the prototype for
9620 copy_decl_for_inlining.
9621 * rtl.h: Remove the prototype for mark_constant_function.
9622 * tree-vectorizer.h: Remove the prototype for
9623 vect_strip_conversion.
9625 * modulo-sched.c (create_partial_schedule,
9626 free_partial_schedule, reset_partial_schedule): Make them
9627 static.
9629 * hooks.c (hook_bool_rtx_int_false): Remove.
9630 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9632 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9634 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9635 and -mlong-double-128 are incompatible.
9636 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9637 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9638 (TARGET_LIBGCC2_CFLAGS): Define.
9639 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9640 (TARGET_LIBGCC2_CFLAGS): Same.
9641 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9643 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9645 PR c/19606.
9646 * c-typeck.c (build_binary_op): Perform implicit casts of
9647 operands before shortening them.
9649 * cfgloopmanip.c (split_loop_bb): Remove.
9650 * cfgloop.h: Remove the prototype for split_loop_bb.
9652 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9653 * cfgloop.h: Remove the prototype for
9654 flow_loop_outside_edge_p.
9656 * emit-rtl.c (init_virtual_regs): Make it static.
9657 * function.h: Remove the prototype for init_virtual_regs.
9659 * recog.c (peephole2_optimize): Make it static.
9660 * recog.h: Remove the prototype for peephole2_optimize.
9662 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9664 * df-scan.c (df_record_entry_block_defs): Check if
9665 INCOMING_RETURN_ADDR_RTX is defined.
9667 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9668 Kenneth Zadeck <zadeck@naturalbridge.com>
9670 PR rtl-optimization/24762
9671 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9672 * targhooks.c (hook_void_bitmap): New hook prototype.
9673 * targhoohs.h (hook_void_bitmap): Ditto.
9674 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9675 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9676 * target.h (live_on_entry): New function pointer.
9677 * df-scan.c (df_all_hard_regs): Removed.
9678 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9679 (df_scan_free_internal): Added df->entry_block_defs.
9680 (df_scan_alloc): Ditto.
9681 (df_scan_dump): Ditto.
9682 (df_uses_record): Plumbed flag field properly thru calls.
9683 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9684 This part fixes PR24762.
9685 (df_bb_refs_record): Added code to make the frame and arg
9686 pointers live in EH blocks.
9687 (df_refs_record): Added call to df_record_entry_block_defs.
9688 (df_record_entry_block_defs): New function.
9689 * df-core.c: Added comments to describe new artifical defs.
9690 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9691 (entry_block_defs): New field in struct df.
9692 (df_all_hard_regs): Deleted.
9693 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9694 * df-problems.c (df_ru_bb_local_compute_process_def):
9695 Added code to handle artifical defs in the entry to a function.
9696 (df_ru_bb_local_compute): Ditto.
9697 (df_rd_bb_local_compute_process_def): Ditto.
9698 (df_rd_bb_local_compute): Ditto.
9699 (df_lr_bb_local_compute): Ditto.
9700 (df_ur_bb_local_compute): Ditto.
9701 (df_urec_bb_local_compute): Ditto.
9702 (df_chain_create_bb): Ditto.
9703 (df_ur_local_finalize): Removed entry.
9704 (df_urec_init): Ditto.
9705 (df_urec_local_finalize): Ditto.
9706 (df_ri_bb_compute): Added detection of last use of pseudos.
9707 * Makefile.in (df-scan.o): Updated dependencies.
9708 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9709 * config/mips/mips.c (mips_set_live_on_entry): Added.
9710 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9711 for target hook.
9712 * dce.c (marked_insn_p): Added code to handle artifical defs.
9714 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9716 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9717 intrinsic.
9718 (_mm_cvtsi128_si64): Likewise.
9719 (_mm_cvtsd_si64): Likewise.
9720 (_mm_cvttsd_si64): Likewise.
9721 (_mm_cvtsi64_sd): Likewise.
9722 (_mm_cvtsi64_si128): Likewise.
9723 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9724 (_mm_cvtsi64_m64): Likewise.
9725 (_m_to_int64): Likewise.
9726 (_mm_cvtm64_si64): Likewise.
9727 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9728 (_mm_cvttss_si64): Likewise.
9729 (_mm_cvtsi64_ss): Likewise.
9730 (_mm_cvtss_f32): Likewise.
9732 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9734 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9735 for pragma redefine_extname.
9737 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9739 PR target/25864
9740 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9741 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9742 -mno-minimal-toc to previous content.
9743 (bispecs): Remove goal.
9744 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9745 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9746 compatibility aliases on powerpc-*-*gnu*.
9747 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9748 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9749 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9750 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9751 (ldblspecs): New goal.
9752 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9753 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9754 _df_to_tf.
9755 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9756 L_sf_to_tf or L_df_to_tf is defined.
9758 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9759 Alan Modra <amodra@bigpond.net.au>
9761 PR target/25864
9762 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9763 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9764 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9765 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9766 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9767 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9768 (rs6000_override_options): Initialize rs6000_ieeequad.
9769 Initialize TFmode format to ibm_extended_format if not
9770 TARGET_IEEEQUAD.
9771 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9772 ieeelongdouble.
9773 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9774 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9775 (function_arg_advance): IBM long double passed in two FPRs, not
9776 split.
9777 (function_arg): IBM long double passed in FPRs.
9778 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9779 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9780 Only multireg GPR aligned.
9781 (rs6000_init_libfuncs): Enable IBM long double functions if not
9782 IEEEQUAD.
9783 (rs6000_generate_compare): Use IBM long double compare if not
9784 TARGET_IEEEQUAD.
9785 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9786 (TARGET_IEEEQUAD): Define.
9787 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9788 not TARGET_IEEEQUAD.
9789 * config/rs6000/rs6000.md: Enable TFmode patterns if
9790 !TARGET_IEEEQUAD.
9791 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9792 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9793 and -mlong-double-128 are incompatible.
9794 * doc/invoke.texi (-mabi): Collect options together. Add
9795 ibmlongdouble and ieeelongdouble.
9797 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9799 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9800 opaque type.
9801 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9802 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9803 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9804 * rtl.h (rtunion_def): Remove rt_ptr.
9805 (X0PTR): Delete.
9806 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9807 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9808 * config/i386/winnt.c (i386_pe_mark_dllexport)
9809 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9811 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9813 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9815 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9817 PR other/24829
9818 PR target/24831
9819 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9820 pthread_key_delete. From John David Anglin. gthrw-ify
9821 pthread_getunique_np only if it it's not a macro. Delete
9822 UNUSED macro.
9823 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9824 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9825 __gthread_objc_condition_signal, __gthread_key_delete): Add
9826 "__attribute__ ((__unused__))" to unused arguments.
9827 (__gthread_recursive_mutex_init_function): Add missing return.
9828 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9829 gthr-posix95.h: Use macro-based approach for name redirection
9830 on targets missing weakref.
9832 2006-01-26 Zack Weinberg <zackw@panix.com>
9834 * genconditions.c (write_header): In generated code, #ifdef out
9835 all includes and fake declarations, except includes of bconfig.h
9836 and system.h, unless GCC_VERSION >= 3001. Do not include
9837 gensupport.h in any case.
9838 (write_conditions): Generate a definition of struct c_test. Add
9839 a comment to the generated #endif.
9840 (write_one_condition): Escape backslashes in string too.
9841 (write_writer): Generated code must escape backslashes and quote
9842 marks (but not newlines) in the strings it writes.
9843 * Makefile.in (build/gencondmd.o): Update dependencies.
9845 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9847 PR target/25961
9848 * Makefile.in (insn-automata.o): Add header file dependencies.
9849 * genautomata.c: Add includes.
9851 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9853 PR target/25961
9854 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9856 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9858 * configure.ac: Expect target tools paths to be passed from the toplevel
9859 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9860 AS_SET_VAR_IF.
9861 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9863 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9865 PR c/25892
9866 * c.opt (Wpointer-sign): Init to -1.
9867 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9868 OPT_pedantic, to 0 otherwise.
9869 * doc/invoke.texi: Update.
9871 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9873 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9874 constants provided by 80387 instructions in the destination mode.
9876 2006-01-26 Richard Guenther <rguenther@suse.de>
9877 Andrew Pinski <pinskia@physics.uc.edu>
9879 PR tree-opt/21470
9880 partial PR tree-opt/17064
9881 * tree-ssa-structalias.c (intra_create_variable_infos):
9882 Create heap variables for incoming parameters if
9883 flag_argument_noalias > 1.
9884 (find_what_p_points_to): Look through default defs of
9885 parameter decls.
9887 2006-01-26 Jeff Law <law@redhat.com>
9889 PR ada/25900
9890 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9891 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9892 within the VR_RANGE, use the VR_RANGE as the result, not the
9893 VR_ANTI_RANGE.
9894 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9895 bounds for the type.
9897 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9899 * tree-ssa-alias.c (maybe_create_global_var): Change
9900 subvar walking to an assertion that we don't have subvar'd variables.
9902 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9904 PR C/25861
9905 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9906 Use a new variable, inner. PARM_DECLs are always non-weak.
9908 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9910 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9911 --disable-checking.
9913 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9915 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9917 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9919 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9920 (smax_insn, smin_insn, smax_0, smin_0): New.
9922 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9924 PR target/25947
9925 * config/cris/cris.c (cris_order_for_addsi3): New function.
9926 * config/cris/cris-protos.h: Prototype it.
9927 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9928 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9929 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9930 (split for "op.S1 [rx=rx+i],ry (swapped)")
9931 (split for "op(s|u).S1 [rx=rx+i],ry")
9932 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9933 Apply cris_order_for_addsi3 when generating addsi3 insns.
9935 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9937 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9938 (TREE_BLOCK): Add call to EXPR_CHECK.
9940 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9942 PR 25886
9943 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9944 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9945 (dump_omp_clauses): ... here.
9946 (dump_generic_node): Handle OMP_CLAUSE.
9947 * tree.c (omp_clause_num_ops): New.
9948 (omp_clause_code_name): New.
9949 (tree_code_size): Handle OMP_CLAUSE.
9950 (tree_size): Likewise.
9951 (make_node): Document handling of OMP_CLAUSE.
9952 (tree_node_structure): Handle OMP_CLAUSE.
9953 (omp_clause_check_failed): New.
9954 (omp_clause_range_check_failed): New.
9955 (omp_clause_operand_check_failed): New.
9956 (build_omp_clause): New.
9957 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9958 * tree.h (enum omp_clause_code): Declare.
9959 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9960 (OMP_CLAUSE_RANGE_CHECK): Define.
9961 (OMP_CLAUSE_ELT_CHECK): Define.
9962 (omp_clause_check_failed): Declare.
9963 (omp_clause_operand_check_failed): Declare.
9964 (omp_clause_range_check_failed): Declare.
9965 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9966 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9967 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9968 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9969 (OMP_CLAUSE_IF_EXPR): Likewise.
9970 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9971 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9972 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9973 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9974 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9975 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9976 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9977 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9978 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9979 (OMP_CLAUSE_CODE): Define.
9980 (OMP_CLAUSE_SET_CODE): Define.
9981 (OMP_CLAUSE_CODE): Define.
9982 (OMP_CLAUSE_OPERAND): Define.
9983 (struct tree_omp_clause): Declare.
9984 (union tree_node): Add field 'omp_clause'.
9985 * treestruct.def (TS_OMP_CLAUSE): Define.
9986 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9987 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9988 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9989 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9990 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9991 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9992 (OMP_CLAUSE): Define.
9993 * print-tree.c (print_node): Handle OMP_CLAUSE.
9994 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9995 * c-typeck.c: Likewise.
9996 * gimplify.c: Likewise.
9997 * c-omp.c: Likewise.
9998 * tree-nested.c: Likewise.
9999 * tree-inline.c: Likewise.
10000 * c-parser.c: Likewise.
10001 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10002 clauses.
10004 2006-01-25 Roger Sayle <roger@eyesopen.com>
10006 PR rtl-optimization/25703
10007 * combine.c (try_combine): Handle zero_extract and strict_low_part
10008 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10010 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10012 * global.c: Fix comment typos.
10014 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10016 PR target/25758
10017 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10018 Use output_addr_const instead of assemble_name.
10020 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10022 * Makefile.in (sched-vis.o): Update dependencies.
10023 * haifa-sched.c (sched_finish): Clear current_sched_info.
10024 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10025 (dump_flow_info): Call it.
10026 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10027 a slim RTL dump.
10028 * basic-block.h (dump_bb_info): Declare.
10029 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10030 option, and apply options only for dump files whose TDF_RTL,
10031 TDF_TREE, or TDF_IPA bits match.
10032 * rtl.h: Declare new functions exported from sched-vis.c.
10033 * sched-vis.c: Enable also if scheduling is not used.
10034 (print_value): Print the mode of registers if not inside scheduling.
10035 (print_insn): Make it work outside the scheduler. Beautify the output
10036 a bit.
10037 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10039 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10041 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10042 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10043 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10044 depending on the value of CONSTANT_POOL_ADDRESS_P.
10045 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10046 SYMBOL_REF_DECL.
10047 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10048 rather than SYMBOL_REF_DECL.
10049 (rtx_constant_pool): Remove const_rtx_sym_htab.
10050 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10051 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10052 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10053 Remove handling of const_rtx_sym_htab.
10054 (find_pool_constant): Delete.
10055 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10056 rather than find_pool_constant.
10057 (get_pool_constant_for_function): Delete.
10058 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10059 find_pool_constant.
10060 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10061 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10062 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10063 (SYMBOL_REF_CONSTANT): New macro.
10064 (get_pool_constant_for_function): Delete.
10065 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10066 rather than SYMBOL_REF_DECL.
10067 (i386_pe_mark_dllimport): Likewise.
10068 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10069 rather than SYMBOL_REF_DECL.
10070 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10071 (machopic_indirect_call_target): Likewise.
10073 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10075 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10077 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10079 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10081 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10083 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10085 2006-01-24 David Daney <ddaney@avtrex.com>
10087 PR java/25816
10088 * configure.ac (enable_tls): New enable option.
10089 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10090 * configure: Regenerate.
10091 * doc/install.texi (--enable-tls): Document new option.
10092 (--disable-tls): Ditto.
10094 2006-01-24 Richard Henderson <rth@redehat.com>
10096 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10097 * alias.c (true_dependence): Respect it.
10098 (canon_true_dependence, write_dependence_p): Likewise.
10099 * builtins.c (get_builtin_sync_mem): Set it.
10101 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10103 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10104 efficient way.
10106 2006-01-24 DJ Delorie <dj@redhat.com>
10108 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10109 for storing constants in single-bit bitfields.
10111 2006-01-25 Ben Elliston <bje@au.ibm.com>
10113 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10115 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10117 PR tree-opt/25860
10118 * tree-ssa-pre.c (phi_translate): Return NULL
10119 for AGGREGATE_TYPE's.
10121 2006-01-24 Zack Weinberg <zackw@panix.com>
10123 * genautomata.c (process_state_for_insn_equiv_partition):
10124 Use xcalloc for insn_arcs_array.
10125 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10126 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10128 2006-01-24 Richard Henderson <rth@redhat.com>
10130 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10131 update all callers.
10133 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10135 PR rtl-optimization/25890
10136 PR rtl-optimization/25905
10137 * combine.c (expand_compound_operation, expand_field_assignment):
10138 Fail if the bitfield's final position is out of bounds.
10140 2006-01-24 Ian Lance Taylor <ian@airs.com>
10142 PR middle-end/25930
10143 * cgraphunit.c (cgraph_output_in_order): Don't clear
10144 cgraph_asm_nodes until after asm strings have been output.
10146 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10148 * fix-header.c (read_scan_file): Add new parameter imultilib when
10149 calling register_include_chains.
10151 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10153 * omp-low.c: Update documentation.
10155 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10156 Daniel Berlin <dberlin@dberlin.org>
10158 PR tree-opt/25315
10159 PR tree-opt/25857
10160 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10161 return from the function.
10163 2006-01-22 Zack Weinberg <zackw@panix.com>
10165 * rtl.def (match_code): Add second argument.
10166 * genpreds.c (write_extract_subexp): New function.
10167 (write_match_code): Add path argument. Use write_extract_subexp.
10168 (write_predicate_expr): Pass path to write_match_code.
10169 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10170 not perform a mode test.
10171 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10172 a subexpression does not constrain the top-level code set.
10173 * read-rtl.c (read_rtx_variadic): New function.
10174 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10175 * doc/md.texi: Document new notation.
10176 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10177 (cmpsi_operand): ... here, using new notation.
10179 2006-01-22 Zack Weinberg <zackw@panix.com>
10181 * varray.c: Remove GENERATOR_FILE #ifdefs.
10183 2006-01-22 Zack Weinberg <zackw@panix.com>
10185 * genautomata.c (output_reserved_units_table): Emit nothing if
10186 description->query_units_num is zero. Remove extra blank line.
10187 (output_cpu_unit_reservation_p): Short circuit
10188 if description->query_units_num is zero.
10190 2006-01-22 Zack Weinberg <zackw@panix.com>
10192 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10193 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10194 nor any of the random handful of variables that used to be necessary
10195 when this program was linked with rtlanal.o. Prune set of forward
10196 function declarations.
10197 (struct attr_desc): Remove static_p field.
10198 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10199 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10200 (attr_string): Do not read the character one past the length of
10201 the string.
10202 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10203 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10204 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10205 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10206 (make_automaton_attrs): New.
10207 (main): Do not call into genautomata. Call local gen_bypass
10208 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10209 Remove special case for insn_alts.
10210 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10211 varray.h (leftover from previous change). Prune set of forward
10212 function declarations. Remove state_alts fields from all
10213 structures. Remove state_alts_table from struct automaton.
10214 Make everything except main static. Do not maintain num_dfa_decls.
10215 Do not maintain state_alts fields of various structures.
10216 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10217 (add_arc): Remove state_alts argument. All callers updated.
10218 (output_reserved_units_table): Emit #ifdef here...
10219 (output_tables): ...not here. Don't generate state_alts tables.
10220 (expand_automata): Don't generate attributes.
10221 (write_automata): Don't generate state_alts functions.
10222 (main): New function.
10223 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10224 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10225 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10226 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10227 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10228 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10229 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10230 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10231 Delete.
10232 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10233 * genattrtab.h: Delete file.
10234 * Makefile.in (OBJS-common): Add insn-automata.o.
10235 (insn-automata.o): New rule.
10236 (simple_generated_c): Add insn-automata.c.
10237 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10238 (genprogmd): Add automata.
10239 (build/genattrtab): Needs no extra objects nor libraries.
10240 (build/genautomata): Needs build/vec.o and -lm.
10242 2006-01-22 Zack Weinberg <zackw@panix.com>
10244 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10245 (output_dfa_max_issue_rate, locked_states_num): Delete.
10246 (struct automaton): Add locked_states field.
10247 (output_dead_lock_vect): Save number of locked states in
10248 automaton->locked_states. If it is zero, don't print anything.
10249 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10250 (output_internal_dead_lock_func): Only test the dead_lock_vect
10251 for automata that have locked states.
10252 (output_statistics): Always print the number of locked states for
10253 each automaton. Calculate total number of locked states here.
10254 (write_automata): Don't call output_dfa_max_issue_rate.
10255 * genattrtab.c: Define length_unit_log as a const variable.
10256 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10257 max_insn_queue_index const.
10258 * final.c (length_unit_log): Declare const.
10259 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10261 2006-01-22 Zack Weinberg <zackw@panix.com>
10263 * genautomata.c: Include vec.h, not varray.h.
10264 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10265 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10266 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10267 VEC_* macros operating on appropriately typed vectors, or to
10268 malloced arrays when the size is known in advance. Const-ify
10269 many char* variables and function arguments. No functional changes.
10270 * Makefile.in (build/varray.o): Delete rule.
10271 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10272 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10274 2006-01-22 Zack Weinberg <zackw@panix.com>
10276 * gensupport.c: Define get_insn_name and record_insn_name here.
10277 (read_md_rtx): Call record_insn_name as appropriate.
10278 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10279 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10280 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10281 record_insn_name.
10282 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10283 (BUILD_VARRAY): Delete.
10284 (genprognormal): Rename genprogmd. Fold in all programs from
10285 genprognoprint; also attrtab.
10286 (build/genattrtab): Just mention genautomata.o and varray.o.
10287 Reorganize a bit, add comments to make the categories clearer.
10289 2006-01-22 Zack Weinberg <zackw@panix.com>
10291 * genconditions.c (condition_table, add_condition): Delete.
10292 (write_conditions): Don't emit n_insn_conditions nor
10293 insn_elision_unavailable. Issue the gcc version #ifdef here,
10294 inside the table, with no #else clause ...
10295 (write_header): ...not here.
10296 (write_writer): New function.
10297 (main): Don't initialize condition_table. Use add_c_test.
10298 Call write_writer.
10299 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10300 files on the command line.
10301 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10302 Return -1 if there is no entry in the table, don't abort.
10303 (add_c_test, traverse_c_tests): New functions.
10304 * gensupport.h (insn_elision_unavailable, insn_conditions)
10305 (n_insn_conditions): Delete declarations.
10306 (add_c_test, traverse_c_tests): Declare.
10307 * read-rtl.c: Include gensupport.h.
10308 (read_conditions): New function.
10309 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10310 (read_rtx_1): If we get EOF when we were looking for an initial
10311 open paren, return 0. Call read_conditions when appropriate.
10312 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10313 dummy-conditions.o. Eliminate references to insn-conditions.o,
10314 or change them to build/gencondmd.o, as appropriate. Remove
10315 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10316 from $(simple_generated_c). For all files remaining in those
10317 two lists, add insn-conditions.md to the generator command line.
10318 Give insn-constants.h/s-constants their own rules. Add rules
10319 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10320 (build/read-rtl.o): Depend on gensupport.h.
10321 (genprognormal): Include preds.
10322 (genprogearly): Rename genprognoprint; only difference is now that
10323 they don't link with $(BUILD_PRINT).
10324 * dummy-conditions.c: Delete.
10326 2006-01-22 Zack Weinberg <zackw@panix.com>
10328 * genextract.c: Don't include insn-config.h. Do include vec.h.
10329 Declare vectors of int, char, and locstr.
10330 (locstr): New typedef.
10331 (struct extraction): Make all array fields into bare pointers.
10332 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10333 (insn_code_number): Delete.
10334 (accum_extract): New struct.
10335 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10336 (gen_insn): Take insn_code_number as an argument. Use an
10337 accum_extract structure instead of loading data directly into
10338 a struct extraction, and having to know how big it might get.
10339 (walk_rtx): Operate entirely on an accum_extract structure.
10340 (print_path): Avoid unnecessary use of printf.
10341 (print_header): New function, split out of main. Distinguish
10342 more carefully between an unrecognizable insn and an insn that
10343 has the code number of a define_expand.
10344 (main): Pass insn_code_number to gen_insn. Call print_header
10345 only after parsing. Avoid unnecessary use of printf.
10346 * Makefile.in (build/vec.o): New rule.
10347 (build/genextract): Depend on build/vec.o.
10348 (build/genextract.o): Don't depend on insn-config.h.
10350 2006-01-22 Zack Weinberg <zackw@panix.com>
10352 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10353 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10354 practical. Eliminate per-generator-program link rules.
10356 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10358 PR middle-end/24437
10359 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10360 with a call expr to ...
10361 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10363 2006-01-23 Richard Guenther <rguenther@suse.de>
10365 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10366 before make_edge with conditional EDGE_TRUE_VALUE.
10368 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10369 Jan Hubicka <jh@suse.cz>
10370 Richard Guenther <rguenther@suse.de>
10372 PR rtl-optimization/25654
10373 * cfgexpand.c (aggregate_contains_union_type): New function.
10374 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10375 for structure variables that contain a union type.
10377 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10379 * gengtype.c (new_structure): Return the structure.
10380 (create_option): Add an extra "next" argument.
10381 (create_field): New function.
10382 (adjust_field_rtx_def): Use create_option and create_field.
10383 Remove a now-unnecessary call to find_structure.
10384 (adjust_field_tree_def): Likewise.
10385 (note_yacc_type): Remove an unnecessary call to find_structure.
10386 * gengtype.h (new_structure): Return the structure.
10387 (create_option): Add an extra argument.
10388 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10389 (option): Adjust calls to create_option.
10391 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10393 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10395 2006-01-22 Paul Brook <paul@codesourcery.com>
10396 Peter Barada <peter@the-baradas.com>
10398 * config/m68k/m68k.md: Add Coldfire FPU support.
10399 Define FP mode macro and associated attributes.
10400 Use it for float mode patterns.
10401 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10402 (LIBCALL_VALUE): Use m68k_libcall_value.
10403 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10404 (m68k_function_value): Ditto.
10405 (emit_move_sequence): Ditto.
10406 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10407 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10408 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10409 (MULTILIB_EXCEPTIONS): Ditto.
10410 * config/m68k/m68k.opt: Add mcfv4e.
10411 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10412 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10413 (m68k_output_function_prologue): Save ColdFire FPU registers.
10414 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10415 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10416 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10417 ColdFire FPU registers.
10418 (m68k_libcall_value, m68k_function_value): New functions.
10419 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10420 (LIBCALL_VALUE): Use m68k_libcall_value.
10421 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10422 (MASK_COLDFIRE): Add MASK_CFV4E.
10423 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10424 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10425 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10426 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10427 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10428 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10429 * doc/invoke.tex: Document -mcfv4e on m68k.
10431 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10433 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10434 URL.
10436 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10438 PR c++/16190
10439 * c-opts.c (c_common_handle_option): Don't include
10440 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10441 * doc/invoke.texi (C++ Dialect Options): Document that
10442 -Wnon-virtual-dtor is no longer included in -Wall.
10444 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10446 * gcov.c (print_version), gcov-dump.c (print_version),
10447 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10448 dates.
10450 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10452 * df-scan.c (problem_SCAN): Added NULL reset function.
10453 (df_scan_reset_blocks): Added code to call reset block function
10454 (df_bb_refs_delete) Fixed comment.
10455 (df_insn_refs_delete): Made tolerant of deleting non existent info
10456 for dataflow problems that need to be reset.
10457 * df-core.c (df_set_blocks): Ditto.
10458 * df.h (struct df_problem): Added reset_fun.
10459 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10460 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10461 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10462 functions to clear out all references to def-use or use-def chains.
10464 2006-01-21 Ben Elliston <bje@au.ibm.com>
10466 * varasm.c (assemble_real): Initialise data array.
10468 2006-01-20 Paul Brook <paul@codesourcery.com>
10470 Merge from csl-arm-branch.
10471 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10472 * config/arm/arm.md (movdi): Force operands[1] to a register
10473 if we have a non-register source.
10474 (*arm_movdi, *movdf_soft_insn): Require that one of the
10475 operands be a register.
10476 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10477 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10479 2006-01-20 DJ Delorie <dj@redhat.com>
10481 * varasm.c (initializer_constant_valid_p): Allow pointers
10482 initialized from integer constants of lesser precision.
10483 (output_constant): Allow non-int-sized pointer modes to be
10484 initialized from integer constants.
10486 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10488 PR libstdc++/25524
10489 * cppdefault.h (struct default_include): Add multilib flag.
10490 * cppdefault.c (cpp_include_defaults): Set it.
10491 * c.opt (-imultilib): New option.
10492 * c-opts.c (imultilib): New.
10493 (c_common_handle_option): Handle -imultilib.
10494 (c_common_post_options): Likewise.
10495 * c-incpath.c (add_standard_paths, register_include_chains):
10496 Likewise.
10497 * c-incpath.h (register_include_chains): Add extra parameter.
10498 * gcc.c (do_spec_1): Generate -imultilib option.
10499 (The Specs Language): Update %I description.
10500 (process_command): Update copyright notice.
10501 * doc/cppopts.texi (-imultilib): Document.
10502 * doc/invoke.texi (-imultilib): Include in option summary.
10503 (%I): Update specs documentation.
10505 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10507 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10509 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10511 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10512 label numbers.
10514 2006-01-20 Richard Guenther <rguenther@suse.de>
10515 Steven Bosscher <stevenb.gcc@gmail.com>
10517 PR rtl-optimization/24626
10518 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10519 EDGE_TRUE_VALUE if in RTL mode.
10521 Revert
10522 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10523 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10525 2006-01-20 Dirk Mueller <dmueller@suse.com>
10527 PR c++/5520
10528 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10529 instead of a special NOP marker.
10530 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10531 NOP marker handling.
10532 * c-common.h (empty_body_warning): Add forward declaration.
10533 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10534 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10536 2006-01-20 Paul Brook <paul@codesourcery.com>
10538 * Makefile.in (lang_checks): Keep going if mkdir fails.
10540 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10542 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10543 be able to clean out basic block when not necessary.
10544 (df_scan_free): Fixed to properly delete information if df is
10545 unused before calling df_finish.
10546 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10547 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10548 or comment typos.
10549 (df_bb_refs_delete): New function.
10550 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10551 * df-core.c (df_set_blocks): Added code to properly clean out
10552 unused blocks if they are not part of the blocks to consider.
10553 Added additional null check.
10554 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10555 be able to clean out basic block when not necessary
10556 * df.h (df_free_bb_function): Ditto.
10557 (df_bb_refs_delete): New function.
10558 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10559 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10560 basic block parameter to be able to clean out basic block when not
10561 necessary.
10562 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10563 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10564 Fixed to properly delete information if df is unused before
10565 calling df_finish.
10567 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10569 PR rtl-optimization/25799
10570 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10571 Corrected confluence operator to remove bits from op2 before oring
10572 with op1 rather than removing bits from op1.
10573 (df_ru_transfer_function): Corrected test on wrong bitmap which
10574 caused infinite loop. Both of these problems were introduced in
10575 the dataflow rewrite.
10577 2006-01-19 DJ Delorie <dj@redhat.com>
10579 * reload1.c (find_reload_regs): Note the details of reload
10580 failures in the dump file.
10581 (spill_failure): Likewise.
10583 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10585 * loop-iv.c: Include df.h and hashtab.h.
10586 (enum iv_grd_result): New enum.
10587 (DF_REF_IV, DF_REF_IV_SET): New macros.
10588 (struct biv_entry): New.
10589 (df, bivs): New global variables.
10590 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10591 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10592 Removed.
10593 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10594 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10595 analyzed_for_bivness_p, record_biv): New functions.
10596 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10597 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10598 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10599 UD chains.
10600 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10601 analysed.
10602 (iv_number_of_iterations): Use new interface to iv analysis.
10603 * loop-unroll.c: Do not include varray.h.
10604 (analyze_iv_to_split_insn): Use new interface to iv
10605 analysis.
10606 * loop-unswitch.c (may_unswitch_on): Ditto.
10607 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10608 allocated.
10609 (df_bb_modify): Realloc tables to the new index.
10610 (df_find_use): New function.
10611 * df.h (df_find_use): Declare.
10612 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10613 outmode.
10614 * cfgloop.h (struct rtx_iv): Remove analysed field.
10615 (iv_get_reaching_def): Removed.
10616 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10617 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10618 (loop-iv.o): Add df.h and hashtab.h dependency.
10619 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10621 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10623 PR target/25668
10624 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10625 Double TFmode.
10626 (__floatundisf, __floatundidf): Likewise.
10627 * libgcc2.h (IS_IBM_EXTENDED): Define.
10629 2006-01-19 DJ Delorie <dj@redhat.com>
10631 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10633 2006-01-19 Paul Brook <paul@codesourcery.com>
10635 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10636 as nothrow when unwinding tables are disabled.
10638 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10640 PR testsuite/25171
10641 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10642 of bit-field" when in system header.
10644 2006-01-19 DJ Delorie <dj@redhat.com>
10646 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10647 the 16 bit shift limit of the m16c.
10649 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10651 PR target/22099
10652 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10653 * config/i386/i386.c (output_set_got): Output the label if we have one
10654 for the TARGET_DEEP_BRANCH_PREDICTION case.
10656 2006-01-19 Jan Hubicka <jh@suse.cz>
10657 H.J. Lu <hongjiu.lu@intel.com>
10658 Evandro Menezes <evandro.menezes@amd.com>
10660 * invoke.texi (generic): Document
10661 (i686) Update.
10662 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10663 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10664 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10665 (x86_use_incdec, x86_pad_returns): New variables
10666 (TARGET_CPU_DEFAULT_generic): New constant
10667 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10668 (enum processor_type): Add generic32 and generic64.
10669 * i386.md (cpu attribute): Add generic32/generic64
10670 (movhi splitter): Behave sanely when both partial_reg_dependency and
10671 partial_reg_stall are set.
10672 (K8 splitters): Enable for generic as well.
10673 * predicates.md (incdec_operand): Use TARGET_INCDEC
10674 (aligned_operand): Avoid memory mismatch stalls.
10675 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10676 * ppro.md: Enable for generic32
10677 * i386.c (generic64_cost, generic32_cost): New.
10678 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10679 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10680 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10681 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10682 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10683 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10684 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10685 x86_accumulate_outgoing_args, x86_prologue_using_move,
10686 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10687 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10688 Enable for generic.
10689 (x86_use_incdec, x86_pad_returns): New.
10690 (override_options): Add generic32 and generic64, translate "generic"
10691 to generic32/generic64 and "i686" to "generic32", refuse
10692 "generic32"/"generic64" as arch target.
10693 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10694 (ix86_reorg): Honor PAD_RETURNS.
10696 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10698 * tree-pretty-print.c (dump_generic_node): Handle
10699 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10700 * cgraph.c (cgraph_expand_queue): Rename from
10701 cgraph_analyze_queue. Update all users.
10702 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10703 cgraph_expand_queue.
10704 (cgraph_expand_all_functions): Likewise.
10705 (cgraph_finalize_pending_functions): Remove. Update callers.
10707 * tree.h (OMP_DIRECTIVE_P): Define.
10708 (OMP_PARALLEL_FN): Define.
10709 (OMP_PARALLEL_DATA_ARG): Define.
10710 (OMP_SECTIONS_SECTIONS): Define.
10711 * tree-pass.h (pass_expand_omp): Declare.
10712 * omp-low.c (struct omp_region): Declare.
10713 (struct omp_context): Remove fields 'parallel_type',
10714 'parallel_start_ix' and 'parallel_start_additional_args'.
10715 Update all users.
10716 (struct omp_for_data): Rename from struct expand_omp_for_data.
10717 (omp_regions): New static variable.
10718 (root_omp_region): New static variable.
10719 (find_omp_clause): Make static.
10720 (is_in_combined_parallel_ctx): Remove.
10721 (is_combined_parallel): New.
10722 (extract_omp_for_data): Move earlier in the file.
10723 (workshare_safe_to_combine_p): New.
10724 (get_ws_args_for): New.
10725 (determine_parallel_type): Move earlier in the file.
10726 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10727 child function.
10728 (omp_copy_decl): Likewise.
10729 (create_omp_child_function): Likewise.
10730 (lookup_omp_region): New.
10731 (dump_omp_region): New.
10732 (debug_omp_region): New.
10733 (debug_all_omp_regions): New.
10734 (new_omp_region): New.
10735 (scan_omp_parallel): If parallel_nesting_level > 1, the
10736 directive is nested within another parallel directive.
10737 Set OMP_PARALLEL_FN.
10738 (scan_omp_for): Do not try to handle combined parallel+for
10739 cases.
10740 Remove FIXME comment.
10741 (scan_omp_nested): Remove.
10742 (scan_omp_1): Do not call scan_omp_nested when
10743 parallel_nesting_level is > 1.
10744 Do not change the DECL_CONTEXT of local variables found.
10745 (lookup_decl_in_outer_ctx): New.
10746 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10747 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10748 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10749 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10750 If CTX is nested, lookup VAR in the outer context when
10751 building copy assignment.
10752 (lower_send_clauses): Rename from expand_send_clauses.
10753 If CTX is nested, lookup VAR in the outer context when
10754 building copy assignments.
10755 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10756 If CTX is nested, lookup VAR in the outer context when
10757 building copy assignments.
10758 (expand_parallel_call): Rename from build_parallel_call.
10759 Handle combined parallel+workshare cases.
10760 Re-implement to emit code into the CFG.
10761 (list2chain): New.
10762 (expand_omp_parallel): Re-implement to emit code into the CFG.
10763 Call move_sese_region_to_fn to outline the sub-graph
10764 containing the parallel region.
10765 (expand_omp_for_1): Remove.
10766 (expand_omp_for_generic): Re-implement to emit code into the
10767 CFG.
10768 (expand_omp_for_static_nochunk): Likewise.
10769 (expand_omp_for_static_chunk): Likewise.
10770 (expand_omp_for): Likewise.
10771 (expand_omp_sections): Likewise.
10772 (remove_exit_barriers): New.
10773 (expand_omp_synch): New.
10774 (expand_omp): New.
10775 (build_omp_regions_1): New.
10776 (build_omp_regions): New.
10777 (execute_expand_omp): New.
10778 (gate_expand_omp): New.
10779 (pass_expand_omp): Define.
10780 (lower_omp_sections): Rename from expand_omp_sections.
10781 Set OMP_SECTIONS_SECTIONS.
10782 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10783 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10784 (lower_omp_single): Rename from expand_omp_simple.
10785 (lower_omp_master): Rename from expand_omp_master.
10786 (lower_omp_ordered): Rename from expand_omp_ordered.
10787 (lower_omp_critical): Rename from expand_omp_critical.
10788 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10789 (lower_omp_for): Re-implement.
10790 (lower_omp_parallel): Re-implement.
10791 (lower_regimplify): Rename from expand_regimplify.
10792 (lower_omp_1): Rename from expand_omp_1.
10793 If there are syntax errors in the program, replace every
10794 OpenMP directive with NOP.
10795 Call lower_omp_* instead of expand_omp_*.
10796 (lower_omp): Rename from expand_omp.
10798 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10799 * tree-gimple.h (enum omp_parallel_type): Remove.
10800 (gimple_boolify): Declare extern.
10801 (find_omp_clause, determine_parallel_type): Remove.
10803 * gimple-low.c (lower_omp_directive): New.
10804 (lower_stmt): Call it.
10805 (record_vars_into): Move from ...
10806 (record_vars): ... here.
10807 Call record_vars_into with current_function_decl.
10809 * gimplify.c (struct gimplify_ctx): Remove fields
10810 combined_pre_p and combined_ctxp. Update users.
10811 (get_formal_tmp_var): Add documentation.
10812 (gimple_boolify): Make extern.
10813 (gimplify_expr_in_ctx): Remove. Update callers.
10814 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10815 will always be a BIND_EXPR.
10816 (gimplify_expr): Handle OMP_RETURN_EXPR.
10817 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10818 (OMP_PARALLEL): Add 3 operands.
10819 (OMP_SECTIONS): Add 1 operand.
10820 (OMP_RETURN_EXPR): Define.
10822 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10823 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10824 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10825 creating a circular free list.
10826 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10828 * tree-flow.h (move_sese_region_to_fn): Declare.
10829 (record_vars_into): Declare.
10830 * tree-cfg.c (make_omp_sections_edges): New.
10831 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10832 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10833 OMP_SECTIONS and OMP_SECTION.
10834 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10835 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10836 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10837 (gather_blocks_in_sese_region): New.
10838 (struct move_stmt_d): Declare.
10839 (move_stmt_r): New.
10840 (move_block_to_fn): New.
10841 (move_sese_region_to_fn): New.
10843 * passes.c (init_optimization_passes): Schedule
10844 pass_expand_omp after pass_init_datastructures.
10846 * tree-ssa-operands.c (get_expr_operands): Handle
10847 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10848 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10850 2006-01-19 Jeff Law <law@redhat.com>
10852 * tree-vrp.c (extract_range_from_assert): Refine the result range
10853 if the variable referenced by the ASSERT_EXPR has a range and
10854 either the tentative result range or the previous range is a
10855 VR_ANTI_RANGE.
10857 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10859 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10861 2006-01-19 Jan Hubicka <jh@suse.cz>
10863 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10865 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10867 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10868 (expand_compound_operation, expand_field_assignment): Fail if the
10869 bit lengths of an extract operation are out of range.
10870 (make_extraction): Compute wanted_inner_mode based on the position
10871 and length of the extraction. Make it extraction_mode for non-constant
10872 positions, and do not modify offset in that case. When generating a
10873 new MEM, use a mode that can hold the extraction while keeping correct
10874 alignment. Remove code that supported MEMs wrapped by USEs.
10875 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10877 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10879 * config/s390/s390.md ("Y", "y"): New mode attribute.
10880 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10881 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10882 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10883 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10884 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10885 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10886 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10887 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10888 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10889 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10890 "addsi3", "subsi3"): Insn patterns removed.
10891 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10892 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10893 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10894 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10895 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10896 "*sub<mode>3_cconly2"): New insn patterns.
10897 ("addsi3", "subsi3"): New expanders.
10899 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10901 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10902 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10903 existing STMT_VINFO_VECTYPE if available.
10904 (vect_mark_relevant): Add special handling for stmts that are
10905 marked as STMT_VINFO_IN_PATTERN_P.
10906 (vect_analyze_loop): Call vect_pattern_recog.
10907 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10908 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10909 stmt_info.
10910 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10911 (vect_recog_func_ptr): New function-pointer type.
10912 * tree-vect-patterns.c: New file.
10913 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10914 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10915 (vect_pattern_recog_1): New functions.
10916 (vect_pattern_recog_funcs): New array of function pointers.
10918 * tree-vectorizer.h (ternary_op): New enum value.
10919 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10920 declaration. Revised documentation. Removed redundant dump prints.
10921 Removed redundant argument. Added support for reduction patterns.
10922 (vectorizable_reduction): Added support for reduction patterns.
10923 (vect_transform_stmt): Added support for patterns.
10925 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10926 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10927 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10928 (expand_widen_pattern_expr): New function.
10929 (init_optabs): Initialize new optabs udot_prod_optab,
10930 sdot_prod_optab.
10931 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10932 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10933 (expand_widen_pattern_expr): New function declaration.
10934 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10935 tree-codes.
10936 * tree-inline.c (estimate_num_insns_1): Added cases for new
10937 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10938 * tree-pretty-print.c (dump_generic_node): Likewise.
10939 (op_prio): Likewise.
10940 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10941 * tree-ssa-operands.c (get_expr_operands): Added case for
10942 DOT_PROD_EXPR.
10943 * tree-vect-patterns.c (widened_name_p): New function.
10944 (vect_recog_dot_prod_pattern): Added function implementation.
10945 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10946 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10947 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10948 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10950 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10951 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10952 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10953 (init_optabs): Initialize new optabs widen_ssum_optab,
10954 widen_usum_optab.
10955 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10956 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10957 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10958 use instead of type of def.
10959 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10960 function implementation.
10961 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10962 widen_ssumv8hi): New.
10964 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10965 patterns.
10967 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10969 PR c/25805
10970 * c-decl.c (add_flexible_array_elts_to_size): New function.
10971 (finish_decl): Use it.
10973 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10975 * diagnostic.h: Include options.h.
10976 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10977 dependancies for diagnostic.h.
10978 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10980 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10982 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10983 (ssa_ro_call_cache_valid): Ditto.
10984 * tree-ssa-alias.c (sort_tags_by_id): New function.
10985 (init_transitive_clobber_worklist): Ditto.
10986 (add_to_worklist): Ditto.
10987 (mark_aliases_call_clobbered): Ditto.
10988 (compute_tag_properties): Ditto.
10989 (set_initial_properties): Ditto.
10990 (compute_call_clobbered): Ditto.
10991 (compute_may_aliases): Call compute_call_clobbered and grouping.
10992 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10993 (compute_flow_insensitive_aliasing): Grouping now happens in our
10994 caller.
10995 (setup_pointers_and_addressables): Remove clobbering related code.
10996 (add_may_alias): Ditto.
10997 (replace_may_alias): Ditto.
10998 (get_nmt_for): Ditto.
10999 (create_global_var):
11000 (is_escape_site): Return an escape_type enumeration.
11001 * tree-flow-inline.h (is_call_clobbered): Global var does not
11002 imply call clobbered.
11003 (mark_call_clobbered): Take a reason for marking this. Remove
11004 marking of globalness, and cache invalidation.
11005 (clear_call_clobbered): Remove cache invalidation code.
11006 * tree-dfa.c (dump_variable): If details is on, dump the reason
11007 for escaping.
11008 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11009 variable.
11010 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11011 (struct var_ann_d): Ditto.
11012 (enum escape_type): New.
11013 (mark_call_clobbered): Adjust prototype.
11014 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11015 are never call clobbered.
11016 Record reasons for escaping.
11017 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11018 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11019 (ssa_ro_call_cache_valid): Ditto.
11020 (clobbered_v_may_defs): Ditto.
11021 (clobbered_vuses): Ditto.
11022 (ro_call_vuses): Ditto.
11023 (clobber_stats): New.
11024 (init_ssa_operands): Zero out clobber stats.
11025 (fini_ssa_operands): Print out clobber stats.
11026 (get_call_expr_operands): Pass callee fndecl to
11027 add_call_read_ops).
11028 (add_call_clobber_ops): Remove use of cache.
11029 Add use of PURE_CONST information.
11030 (add_call_read_ops): Remove use of cache.
11031 Add use of static not_read information.
11033 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11035 Introduce TLS descriptors for i386 and x86_64.
11036 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11037 (TARGET_ANY_GNU_TLS): New macro.
11038 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11039 (struct machine_function): Add tls_descriptor_call_expanded_p.
11040 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11041 (ix86_current_function_calls_tls_descriptor): Likewise.
11042 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11043 (override_options): Introduce gnu2 tls dialect.
11044 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11045 not leaves.
11046 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11047 Likewise.
11048 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11049 (ix86_init_machine_status): Initialize new field.
11050 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11051 (ix86_tls_module_base): New.
11052 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11053 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11054 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11055 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11056 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11057 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11058 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11059 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11060 * config/i386/predicates.md (tls_modbase_operand): New.
11061 (tp_or_register_operand): New.
11063 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11065 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11066 (look_for_address_of): Ditto.
11067 (ipa_init): Walk the function decls.
11068 (static_execute): Don't set readonly on FUNCTION_DECL's.
11070 2006-01-18 Roger Sayle <roger@eyesopen.com>
11072 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11073 for shifts where the source and destination registers are different.
11075 2006-01-18 Paul Brook <paul@codesourcery.com>
11077 Merge from csl-arm-branch.
11078 2005-03-14 Julian Brown <julian@codesourcery.com>
11079 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11080 (aeabi_llsl): Likewise.
11081 (ashrdi3): Likewise.
11082 (aeabi_lasr): Likewise.
11083 (lshrdi3): Likewise.
11084 (aeabi_llsr): Likewise.
11085 2005-03-10 Julian Brown <julian@codesourcery.com>
11086 * config.gcc: Disable shared libgcc for SymbianOS.
11087 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11089 2006-01-18 DJ Delorie <dj@redhat.com>
11091 * c-pragma.c (handle_pragma_diagnostic): New.
11092 (init_pragma): Register it.
11093 * doc/extend.texi: Document it.
11095 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11096 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11097 (diagnostic_context): Add classify_diagnostic[].
11098 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11099 as errors if they're overridden to DK_WARNING.
11100 (diagnostic_initialize): Initialize classify_diagnostic[].
11101 (diagnostic_set_kind_override): New.
11102 (diagnostic_report_diagnostic): Check for kind changes.
11103 * opts.c (common_handle_option): Take lang_mask. Update callers.
11104 Handle OPT_Werror_.
11105 * common.opt (Werror=): New.
11106 * doc/invoke.texi: Document -Werror=*
11108 2006-01-18 Jeff Law <law@redhat.com>
11110 * tree-vrp.c (test_for_singularity): Correct test for new
11111 min limit. Use operand_equal_p rather than pointer equality
11112 for testing if new min/max values are equal.
11114 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11115 using range information until after propagation and folding.
11117 2006-01-18 Richard Henderson <rth@redhat.com>
11118 Aldy Hernandez <aldyh@redhat.com>
11119 Jakub Jelinek <jakub@redhat.com>
11120 Diego Novillo <dnovillo@redhat.com>
11122 * omp-low.c: New file.
11123 * c-omp.c: New file.
11125 2006-01-18 Richard Henderson <rth@redhat.com>
11126 Jakub Jelinek <jakub@redhat.com>
11127 Diego Novillo <dnovillo@redhat.com>
11129 * doc/invoke.texi: Document -fopenmp.
11130 * tree-dump.h (debug_function): Declare.
11131 * hooks.c (hook_bool_tree_bool_false): New function.
11132 (hook_tree_tree_null): Remove.
11133 (hook_tree_tree_tree_null): New.
11134 * hooks.h: Update to match.
11135 * tree-pretty-print.c (debug_tree_chain): New.
11136 (print_generic_expr): Handle TDF_CHAIN.
11137 (dump_generic_node): Handle BLOCK.
11138 Do not abort with incomplete SWITCH_EXPRs.
11139 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11140 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11141 print space after directive name.
11142 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11143 Handle OMP_MASTER and OMP_ORDERED.
11144 Handle printing of OMP_BODY just in one place, goto
11145 dump_omp_body in the rest of OMP_* nodes that have
11146 OMP_BODY.
11147 Don't handle clause nodes here. Update omp statements to
11148 use dump_omp_clauses.
11149 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11150 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11151 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11152 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11153 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11154 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11155 Adjust output for GOMP_PARALLEL.
11156 (dump_omp_clauses): New.
11157 (print_declaration): Dump DECL_VALUE_EXPR.
11158 (op_symbol_1): Split out of op_symbol.
11159 (dumping_stmts): Remove. Update all users.
11160 * cgraph.c (cgraph_analyze_queue): New.
11161 (cgraph_add_new_function): New.
11162 * cgraph.h (cgraph_analyze_queue): Declare.
11163 (cgraph_add_new_function): Declare.
11164 (cgraph_lower_function): Remove.
11165 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11166 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11167 and TYPE_P nodes in its default clause.
11168 (empty_body_p): New.
11169 (tree_range_check_failed): New.
11170 (build5_stat): New.
11171 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11172 OMP_CLAUSE_REDUCTION_MERGE,
11173 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11174 OMP_CLAUSE_PRIVATE_DEBUG,
11175 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11176 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11177 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11178 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11179 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11180 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11181 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11182 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11183 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11184 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11185 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11186 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11187 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11188 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11189 (TREE_RANGE_CHECK): New.
11190 (empty_body_p): Declare.
11191 (enum omp_clause_default_kind): New.
11192 (build_string_literal): Declare.
11193 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11194 (build5_stat, build5): Declare.
11195 * tree-pass.h (TDF_CHAIN): Define.
11196 * tree-pass.h (PROP_gimple_lomp): Define.
11197 (pass_lower_omp): Declare.
11198 * diagnostic.h (debug_tree_chain): Declare.
11199 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11200 mode_for_size.
11201 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11202 * builtins.c (build_string_literal): Make extern.
11203 * gcc.c (include_spec_function): New.
11204 (static_spec_functions): Add it.
11205 (main): Move load of libgomp.spec ...
11206 (LINK_COMMAND_SPEC): ... here.
11207 (link_gomp_spec): New.
11208 (static_specs): Include it.
11209 (LINK_COMMAND_SPEC): Add link_gomp.
11210 (GOMP_SELF_SPECS): New.
11211 (driver_self_specs): Include it.
11212 (switch_matches): Don't mark inline.
11213 (main): Load libgomp.spec.
11214 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11215 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11216 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11217 * tree-gimple.h (enum omp_parallel): Declare.
11218 (determine_parallel_type): Declare.
11219 (omp_firstprivatize_variable): Declare.
11220 (omp_reduction_init): Declare.
11221 (diagnose_omp_structured_block_errors): Declare.
11222 (struct walk_stmt_info): Add want_return_expr.
11223 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11224 (find_omp_clause): Declare.
11225 (insert_field_into_struct): Declare.
11226 (struct walk_stmt_info): Move from tree-nested.c
11227 (walk_stmts): Declare.
11228 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11229 to 200505.
11230 * cgraphunit.c (cgraph_lower_function): Make static.
11231 (cgraph_finalize_pending_functions): New.
11232 (cgraph_finalize_function): Call it.
11233 (cgraph_finalize_compilation_unit): Likewise.
11234 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11235 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11236 (BT_FN_UINT_UINT): New.
11237 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11238 DEF_FUNCTION_TYPE_VAR_4): Document.
11239 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11240 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11241 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11242 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11243 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11244 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11245 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11246 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11247 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11248 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11249 into separate files.
11250 (DEF_GOMP_BUILTIN): New.
11251 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11252 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11253 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11254 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11255 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11256 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11257 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11258 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11259 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11260 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11261 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11262 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11263 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11264 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11265 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11266 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11267 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11268 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11269 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11270 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11271 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11272 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11273 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11274 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11275 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11276 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11277 * sync-builtins.def: New file, moved from builtins.def.
11278 * omp-builtins.def: New file, moved from builtins.def.
11279 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11280 * gimple-low.c (lower_function_body): Clear data.
11281 (lower_stmt): Do not handle COMPOUND_EXPR.
11282 Remove call to print_node_brief.
11283 * c-tree.h (c_finish_omp_clauses): New prototype.
11284 (C_DECL_THREADPRIVATE_P): Define.
11285 (lookup_name_no_remap, c_omp_remap_private): Remove
11286 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11287 (check_for_loop_decls): Update decl.
11288 (lookup_name_no_remap, c_omp_remap_private): Declare.
11289 (build_indirect_ref, build_modify_expr, pushdecl,
11290 pushdecl_top_level): Move to c-common.h.
11291 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11292 before the switch, but just in the 2 places that need it.
11293 * c-decl.c (diagnose_mismatched_decls): Do not check for
11294 mismatched thread-local attributes when OLDDECL is marked
11295 threadprivate and NEWDECL has no thread-local attributes.
11296 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11297 (c_gimple_diagnostics_recursively): Rename from
11298 c_warn_unused_result_recursively. Invoke
11299 diagnose_omp_structured_block_errors.
11300 (check_for_loop_decls): Return a singular decl found.
11301 * langhooks.c (lhd_omp_predetermined_sharing): Return
11302 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11303 (lhd_omp_firstprivatize_type_sizes): New.
11304 (lhd_omp_assignment): New.
11305 (lhd_omp_predetermined_sharing): New.
11306 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11307 (struct lang_hooks_for_types): Add
11308 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11309 omp_predetermined_sharing, omp_disregard_value_expr,
11310 omp_private_debug_clause, omp_clause_default_ctor,
11311 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11312 (c_finish_omp_clauses): New.
11313 (c_finish_bc_stmt): Diagnose break within omp for.
11314 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11315 (build_unary_op): Return error_mark after reporting
11316 a readonly_error.
11317 (build_modify_expr): Likewise.
11318 * gimplify.c: Include optabs.h and pointer-set.h.
11319 (enum gimplify_omp_var_data): Declare.
11320 (struct gimplify_omp_ctx): Declare.
11321 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11322 and combined_ctxp.
11323 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11324 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11325 (splay_tree_compare_decl_uid): New.
11326 (new_omp_context): New.
11327 (delete_omp_context): New.
11328 (gimple_add_tmp_var): Call omp_add_variable.
11329 (gimplify_bind_expr): Likewise.
11330 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11331 true, disregard DECL_VALUE_EXPR on the decl if any.
11332 (gimplify_expr_in_ctx): New.
11333 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11334 omp_add_variable, omp_notice_variable, omp_is_private
11335 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11336 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11337 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11338 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11339 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11340 gimplify_omp_atomic): New.
11341 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11342 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11343 OMP_CRITICAL and OMP_ATOMIC.
11344 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11345 * c-pragma.h (enum pragma_kind): Add
11346 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11347 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11348 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11349 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11350 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11351 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11352 PRAGMA_OMP_THREADPRIVATE.
11353 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11354 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11355 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11356 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11357 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11358 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11359 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11360 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11361 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11362 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11363 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11364 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11365 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11366 OpenMP directives.
11367 (struct nesting_info): Add field_map,
11368 suppress_expansion, debug_var_chain.
11369 (create_nesting_tree): Initialize them.
11370 (lookup_field_for_decl): Use field_map.
11371 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11372 (convert_local_omp_clauses): New.
11373 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11374 (walk_body): Split out of walk_function.
11375 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11376 (convert_nonlocal_reference): Handle omp statements.
11377 (convert_local_reference): Likewise.
11378 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11379 (unnest_nesting_tree): New.
11380 (lower_nested_functions): Call it.
11381 (insert_field_into_struct): Make extern.
11382 (struct walk_stmt_info): Move to tree-gimple.h.
11383 (walk_stmts): Make extern.
11384 * omp-builtins.def: New file.
11385 * tree-iterator.c (expr_only): Clarify comment.
11386 * c-common.h (pushdecl_top_level, pushdecl,
11387 build_modify_expr, build_indirect_ref,
11388 c_finish_omp_master, c_finish_omp_critical,
11389 c_finish_omp_ordered, c_finish_omp_barrier,
11390 c_finish_omp_atomic, c_finish_omp_flush,
11391 c_finish_omp_for, c_split_parallel_clauses,
11392 omp_clause_default_kind, c_omp_sharing_predetermined,
11393 c_omp_remap_decl): Declare.
11394 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11395 (OBJS-common): Add omp-low.o.
11396 (c-omp.o, omp-low.o): Add.
11397 (gimplify.o): Add dependency on $(OPTABS_H).
11398 (GTFILES): Add omp-low.c.
11399 (gt-stringpool.h): Add.
11400 * tree-cfg.c (set_bb_for_stmt): Do not update the
11401 block-to-labels map if we are currently expanding to RTL.
11402 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11403 checks.
11404 Handle IDENTIFIER_NODE.
11405 (tree_verify_flow_info): Do not ICE when emitting error
11406 messages about invalid labels.
11407 (dump_function_to_file): Reset CFUN before emitting the body
11408 of the function.
11409 (debug_function): New.
11410 * passes.c (init_optimization_passes): Schedule
11411 pass_lower_omp.
11412 * langhooks-def.h (lhd_omp_predetermined_sharing,
11413 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11414 Declare.
11415 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11416 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11417 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11418 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11419 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11420 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11421 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11422 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11423 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11424 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11425 (LANG_HOOK_DECLS): Use them.
11427 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11428 Richard Henderson <rth@redhat.com>
11429 Jakub Jelinek <jakub@redhat.com>
11430 Diego Novillo <dnovillo@redhat.com>
11432 * c-parser.c (pragma_omp_clause): Define.
11433 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11434 (c_parser_compound_statement): Likewise.
11435 (c_parser_statement): Likewise.
11436 (c_parser_pragma): Handle omp pragmas.
11437 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11438 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11439 (c_parser_omp_clause_name, check_no_duplicate_clause,
11440 c_parser_omp_variable_list,
11441 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11442 c_parser_omp_clause_copyprivate,
11443 c_parser_omp_clause_default,
11444 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11445 c_parser_omp_clause_lastprivate,
11446 c_parser_omp_clause_nowait,
11447 c_parser_omp_clause_num_threads,
11448 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11449 c_parser_omp_clause_reduction,
11450 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11451 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11452 c_parser_omp_atomic, c_parser_omp_barrier,
11453 c_parser_omp_critical, c_parser_omp_flush,
11454 c_parser_omp_for_loop, c_parser_omp_for,
11455 c_parser_omp_master, c_parser_omp_ordered,
11456 c_parser_omp_sections_scope, c_parser_omp_sections,
11457 c_parser_omp_parallel, c_parser_omp_single,
11458 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11459 * c-pragma.c (init_pragma): Do omp pragma registration here.
11460 * c.opt (fopenmp): New flag.
11462 2006-01-18 Eric Christopher <echristo@apple.com>
11464 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11465 * config/darwin.h (GOMP_SELF_SPECS): Define.
11467 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11469 * rtl.h: Remove the prototype for reg_alloc.
11471 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11473 PR target/25731
11474 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11475 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11476 sjlj and dwarf2 exception handling.
11477 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11478 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11479 * pa/pa.c (function_value): Treat complex and vector types as
11480 aggregates.
11481 (function_arg): Likewise. Only pass scalar floats in the floating
11482 point argument registers.
11483 * pa/t-slibgcc-dwarf-ver: New file.
11484 * pa/t-slibgcc-sjlj-ver: New file.
11485 * pa/t-slibgcc-elf-ver: Delete file.
11487 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11489 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11490 unlikely_test_section_p test.
11492 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11494 * mode-switching.c (optimize_mode_switching): Make it static.
11495 * basic-block.h: Remove the prototype for
11496 optimize_mode_switching.
11498 * modulo-sched.c (sms_schedule): Make it static.
11499 * rtl.h: Remove the prototype for sms_schedule.
11501 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11502 * rtl.h: Remove the prototype for gcse_after_reload_main.
11504 * reg-stack.c (reg_to_stack): Make it static.
11505 * rtl.h: Remove the prototype for reg_to_stack.
11507 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11508 Make them static.
11509 * rtl.h: Remove the prototypes for regrename_optimize and
11510 copyprop_hardreg_forward.
11512 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11514 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11515 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11516 Test against the appropriate null constant for the mode.
11517 If 'fixup_overlap' is true, swap the operands if they overlap.
11518 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11519 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11520 alpha_split_tmode_pair and adjust for above change.
11521 * config/alpha/alpha.md (movtf_internal): Adjust call to
11522 alpha_split_tfmode_pair and rely on it to swap the operands.
11523 (movti_internal): New insn and post-reload splitter.
11524 (movti): New expander.
11526 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11528 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11529 operands.
11531 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11533 * rtlanal.c (global_reg_mentioned_p_1,
11534 global_reg_mentioned_p): Remove.
11535 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11537 * flow.c (initialize_uninitialized_subregs): Make it static.
11538 * rtl.h: Remove the prototype for
11539 initialize_uninitialized_subregs.
11541 * function.c (instantiate_virtual_regs): Make it static.
11542 * function.h: Remove the prototype for
11543 instantiate_virtual_regs.
11545 * regmove.c (regmove_optimize, combine_stack_adjustments):
11546 Make them static.
11547 * rtl.h: Remove the prototypes for regmove_optimize and
11548 combine_stack_adjustments.
11550 2006-01-17 Roger Sayle <roger@eyesopen.com>
11552 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11553 (size_cost): Encode costs in bytes so that a reg-reg addition is
11554 equivalent to COSTS_N_INSNS(1).
11555 (override_options): Use the size_cost.branch_cost as the default
11556 ix86_branch_cost when optimizing for size.
11558 2006-01-18 Ben Elliston <bje@au.ibm.com>
11560 * Makefile.in (D32PBIT_FUNCS): New.
11561 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11562 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11563 D64PBIT_FUNCS and D128PBIT_FUNCS.
11564 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11565 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11566 D128PBIT are set.
11567 (decnumber_dep): Define.
11568 * doc/libgcc.texi (Decimal float library routines): New node.
11569 * config/dfp-bit.h, config/dfp-bit.c: New files.
11571 2006-01-18 Ben Elliston <bje@au.ibm.com>
11573 * expr.c (emit_move_change_mode): Always adjust addresses, not
11574 just during reload. Copy replacements only during reload.
11575 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11576 emit_move_via_integer.
11578 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11580 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11581 instead of $(srcdir) and ${srcdir}.
11583 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11585 PR target/592
11586 PR middle-end/11135
11587 * arm.h (struct machine_function): Add pic_reg.
11588 * arm.c (arm_pic_register): Make unsigned.
11589 (arm_override_options): Only set arm_pic_register if
11590 TARGET_SINGLE_PIC_BASE.
11591 (use_return_insn): Only test for a pic register if it is fixed.
11592 (arm_compute_save_reg0_reg12_mask): Likewise.
11593 (thumb_compute_save_reg_mask): Likewise.
11594 (legitimate_pic_operand): Factor out some known invariants.
11595 (legitimize_pic_address): If we don't have a fixed pic register,
11596 then set up a pseudo in the function entry sequence. Handle the
11597 pic base being in a pseudo.
11598 (arm_load_pic_register): Handle the pic register being in a pseudo.
11599 (arm_expand_prologue): Only set up the pic register if it is fixed.
11600 (thumb_expand_prologue): Likewise.
11601 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11602 (pic_load_addr_based_insn): Likewise.
11603 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11604 fixed.
11606 2006-01-18 Ben Elliston <bje@au.ibm.com>
11608 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11609 decimal float modes for all floating point registers.
11611 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11612 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11614 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11616 PR c/25682
11617 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11618 even when the pointer is not NULL.
11620 2006-01-16 Ian Lance Taylor <ian@airs.com>
11622 * common.opt (ftoplevel-reorder): New option.
11623 * cgraph.c (cgraph_asm_nodes): New global variable.
11624 (cgraph_asm_last_node): New static variable.
11625 (cgraph_order): New global variable.
11626 (cgraph_create_node): Set new order field.
11627 (cgraph_varpool_node): Likewise.
11628 (decide_is_variable_needed): Return true if not
11629 flag_toplevel_reorder.
11630 (cgraph_add_asm_node): New function.
11631 * cgraph.h (struct cgraph_node): Add order field.
11632 (struct cgraph_varpool_node): Add order field.
11633 (struct cgraph_asm_node): Define.
11634 (cgraph_asm_nodes, cgraph_order): Declare.
11635 (cgraph_add_asm_node): Declare.
11636 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11637 function.
11638 (cgraph_varpool_assemble_pending_decls): Call it.
11639 (cgraph_output_pending_asms): New static function.
11640 (cgraph_finalize_compilation_unit): Call it.
11641 (struct cgraph_order_sort): Define.
11642 (cgraph_output_in_order): New static function.
11643 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11644 !flag_toplevel_reorder case.
11645 * c-parser.c: Include "cgraph.h".
11646 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11647 assemble_asm.
11648 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11649 than -fno-unit-at-a-time.
11650 * doc/invoke.texi (Option Summary): Mention
11651 -fno-toplevel-reorder.
11652 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11653 -funit-at-a-time documentation.
11655 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11656 Kazu Hirata <kazu@codesourcery.com>
11658 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11660 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11662 * Makefile.in (FUNCTION_H): New. Use it instead of
11663 function.h throughout the file.
11664 * function.h: Include tree.h.
11666 2006-01-17 Ben Elliston <bje@au.ibm.com>
11668 * recog.c: Separate some functions with whitespace.
11670 2006-01-16 Richard Henderson <rth@redhat.com>
11672 Merge from gomp branch:
11673 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11674 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11675 and rename from struct inline_data. Rename callee* to dst*;
11676 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11677 transform_new_cfg, transform_return_to_modify, and
11678 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11679 update_clones_p.
11680 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11681 (copy_decl_for_dup): Remove.
11682 * tree-inline.c (struct inline_data): Move to header.
11683 (insert_decl_map): Export.
11684 (remap_decl): Update for member name changes. Use copy_decl hook.
11685 Allow for replacement to be a non-decl. Remove dead code.
11686 (remap_type_1): Check for existing mapping.
11687 (remap_type): Export.
11688 (remap_decls): Update for member name changes.
11689 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11690 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11691 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11692 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11693 (tree_function_versioning, build_duplicate_type): Likewise.
11694 (copy_body_r): Likewise. Export.
11695 (copy_decl_for_dup): Split into ...
11696 (copy_decl_for_dup_finish, copy_decl_to_var,
11697 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11698 (replace_ref_tree, inlining_p): Remove.
11700 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11702 * ifcvt.c (if_convert): Make it static.
11703 * rtl.h: Remove the prototype for if_convert.
11705 * local-alloc.c (local_alloc): Make it static.
11706 * rtl.h: Remove the prototype for local_alloc.
11708 * loop.c (loop_optimize): Make it static.
11709 * cfgloop.h: Remove the prototype for loop_optimize.
11710 * rtl.h: Likewise.
11712 2006-01-16 DJ Delorie <dj@redhat.com>
11714 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11715 mems.
11717 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11719 * pa.md: Disparage copies between general and floating-point registers
11720 in 32-bit move patterns.
11722 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11724 PR testsuite/25741
11725 * Makefile.in (check-%): Depend on site.exp instead of
11726 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11727 directories.
11729 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11731 * global.c (global_alloc): Make it static.
11732 * rtl.h: Remove the prototype for global_alloc.
11734 2006-01-16 Richard Guenther <rguenther@suse.de>
11736 * tree-ssa-alias.c (struct used_part): Add write_only field.
11737 (get_or_create_used_part_for): Initialize it to true.
11738 (create_overlap_variables_for): Don't create structure variables
11739 for structures that only are written to.
11740 (find_used_portions): Handle MODIFY_EXPR to track whether a
11741 structure is only written to.
11743 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11745 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11746 static.
11747 * basic-block.h: Remove the prototype for
11748 partition_hot_cold_basic_blocks.
11750 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11752 * cppspec.c (lang_specific_spec_functions): Remove.
11753 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11754 * gcc.h (lang_specific_spec_functions): Remove.
11755 * gccspec.c (lang_specific_spec_functions): Remove.
11757 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11759 * combine.c (record_value_for_reg): Invalidate registers
11760 if INSN is null.
11761 (record_dead_and_set_regs_1): Likewise, by passing them to
11762 record_value_for_reg.
11763 (record_dead_and_set_regs): Invalidate stores made by a
11764 call. We do not combine across a call, but we still
11765 relied on equivalences.
11767 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11769 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11770 vrp_int_const_binop returning non-constant nodes.
11772 2006-01-16 Paul Brook <paul@codesourcery.com>
11774 * config/m68k/m68k.c (output_move_const_into_data_reg):
11775 Output correct mnemonic for mvz and mvs.
11777 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11779 * rtl-factoring.c: Add sequence abstraction algorithm.
11780 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11781 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11782 ABNORMAL edges.
11783 (block_has_preserve_label): New function.
11784 * common.opt: Register new pass.
11785 * Makefile.in: Ditto.
11786 * passes.c: Ditto.
11787 * timevar.def: Ditto.
11788 * tree-pass.h: Ditto.
11789 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11790 * rtl.h (make_jump_insn_raw): Add forward decl.
11791 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11793 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11794 Roger Sayle <roger@eyesopen.com>
11796 * fold-const.c (fold_minmax): New static function.
11797 (fold_binary) <MIN_EXPR>: Call it.
11798 <MAX_EXPR>: Likewise.
11799 * stor-layout.c (place_field): Use DECL_SIZE consistently
11800 in the computation of the new record size.
11802 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11804 * cse.c (cse_condition_code_reg): Make it static.
11805 * rtl.h: Remove the prototype for cse_condition_code_reg.
11807 * combine.c (combine_instructions): Make it static.
11808 * rtl.h: Remove the prototype for combine_instructions.
11810 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11812 PR target/25168
11813 * tree.c (get_file_function_name_long): Concatenate the first global
11814 object name with a string derived from the input filename of the object
11815 for type "F".
11817 2006-01-16 Ben Elliston <bje@au.ibm.com>
11819 * config/i386/winnt-stubs.c: Update FSF address.
11820 * config/xtensa/ieee754-df.S: Ditto.
11821 * config/xtensa/ieee754-sf.S: Ditto.
11823 2006-01-14 Ian Lance Taylor <ian@airs.com>
11825 * ifcvt.c (noce_init_if_info): New static function, broken out of
11826 noce_process_if_block.
11827 (noce_process_if_block): Call noce_init_if_info.
11828 (check_cond_move_block): New static function.
11829 (cond_move_process_if_block): New static function.
11830 (process_if_block): Call cond_move_process_if_block.
11832 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11834 * cselib.c (hash_table): Rename to cselib_hash_table.
11835 (cselib_clear_table, discard_useless_values,
11836 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11837 cselib_init, cselib_finish): Adjust uses of hash_table.
11839 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11841 PR tree-optimization/25485
11842 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11843 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11844 is known to be false and true, respectively.
11846 2006-01-14 Richard Guenther <rguenther@suse.de>
11848 PR tree-optimization/22548
11849 PR tree-optimization/22555
11850 PR tree-optimization/22501
11851 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11852 * params.def (salias-max-array-elements): New parameter.
11853 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11854 * doc/invoke.texi (salias-max-array-elements): Document.
11855 * tree-flow-inline.h (var_can_have_subvars): We also handle
11856 arrays now.
11857 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11858 COMPONENT_REF.
11859 * tree-ssa-structalias.c (params.h): Include.
11860 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11861 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11862 (get_constraint_for): For ADDR_EXPR operating on something
11863 containing an ARRAY_REF, add all subvars to the solution.
11864 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11865 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11866 for creating MUST_DEFs.
11867 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11869 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11871 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11872 functions.
11873 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11874 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11875 number_of_iterations_le): New functions.
11876 (number_of_iterations_special): Removed.
11877 (number_of_iterations_exit): Do not use number_of_iterations_special.
11878 * tree.c (unsigned_type_for): Always return integer type.
11880 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11881 Richard Guenther <rguenther@suse.de>
11883 PR rtl-optimization/24257
11884 * gcse.c (find_moveable_store): Only consider a store movable
11885 when the SET_SRC of the insn can be assigned to a register.
11887 2006-01-14 Ian Lance Taylor <ian@airs.com>
11889 * tree.c (tree_not_class_check_failed): New function.
11890 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11891 (tree_not_class_check_failed): Declare.
11893 2006-01-13 Ian Lance Taylor <ian@airs.com>
11895 * reload1.c (do_output_reload): Add assertion rejecting a
11896 CALL_INSN.
11898 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11900 * combine.c (struct reg_stat): Add new fields truncation_label and
11901 truncated_to_mode.
11902 (record_value_for_reg): Reset truncated_to_mode.
11903 (record_truncated_value): New function.
11904 (check_promoted_subreg): Call it. Rename to check_conversions.
11905 (combine_instructions): Rename check_promoted_subreg to
11906 check_conversions.
11907 (reg_truncated_to_mode): New function.
11908 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11909 (gen_lowpart_or_truncate): New function.
11910 (force_to_mode): Use it instead of gen_lowpart.
11912 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11914 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11915 VAR is a tag, not its type tag.
11917 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11919 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11920 alternatives to match style of other entries.
11921 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11923 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11925 PR tree-optimization/25771
11926 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11927 SSA_NAMES.
11929 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11931 PR tree-opt/24365
11932 * tree-inline.c (declare_return_variable): If the return variable
11933 was marked as a non gimple complex, set the return slot variable
11934 to be a non gimple comple variable.
11936 2006-01-13 Richard Guenther <rguenther@suse.de>
11938 * builtins.c (expand_builtin_sincos): New function.
11939 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11940 do not set errno.
11941 (expand_builtin): Expand sincos using expand_builtin_sincos.
11943 2006-01-12 DJ Delorie <dj@redhat.com>
11945 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11946 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11947 so that constant shifts can be split.
11948 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11949 (m32c_valid_pointer_mode): Make static.
11950 (shift_gen_func_for): New.
11951 (m32c_prepare_shift): Use it. Split large const shifts into
11952 multiple shifts.
11953 * config/m32c/predicates.md (shiftcount_operand): Allow more
11954 general operands.
11955 (longshiftcount_operand): New.
11956 * doc/md.texi (Machine Constraints): Document In6.
11958 2006-01-13 Ben Elliston <bje@au.ibm.com>
11960 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11961 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11962 documentation.
11964 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11966 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11967 to try to avoid clobbering pieces of structures when we know
11968 something about the whole structure.
11969 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11971 2006-01-13 Ben Elliston <bje@au.ibm.com>
11973 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11974 return in memory, as this is no limitation is no longer present.
11976 2006-01-12 DJ Delorie <dj@redhat.com>
11978 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11979 mova with fb, and for fb+0 -> An.
11981 * config/m32c/mov.md (peephole2): Fix enabling logic.
11983 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11984 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11985 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11986 FINI_ARRAY_SECTION_ASM_OP): Define.
11988 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11989 variable.
11990 (m32c_legitimize_reload_address): New logic to reload FB to An.
11991 (m32c_output_reg_push): Add newline.
11992 (m32c_output_reg_pop): Likewise.
11994 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11996 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11998 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12000 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12002 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12004 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12005 match_code.
12007 2006-01-11 Ben Elliston <bje@au.ibm.com>
12009 * rtlanal.c (find_reg_note): Assert insn is not null.
12011 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12013 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12014 ifdef.
12016 2006-01-11 Jeff Law <law@redhat.com>
12018 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12019 hold edge pairs.
12020 (mark_threaded_blocks, register_jump_thread): New functions.
12021 (thread_through_all_blocks): Remove unwanted argument. No
12022 longer rely on e->aux to communicate thread target info.
12023 Call mark_threaded_blocks. Release the threaded_blocks
12024 bitmap and threaded_edges vector when complete.
12025 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12026 (threaded_blocks): Remove.
12027 (tree_ssa_dominator_optimize): Remove initialization and
12028 finalization of threaded_blocks. Simplify call to
12029 thread_through_all_blocks.
12030 (thread_across_edge): Call register_jump_thread rather than
12031 storing thread information into e->aux.
12032 (free_all_edge_infos): Simplify now that e->aux is no longer
12033 used to communicate with thread_through_all_blocks.
12034 * tree-flow.h (thread_through_all_blocks): Update prototype.
12035 (register_jump_thread): Prototype.
12037 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12039 * df-core.c (df_compact_blocks, df_bb_replace): Use
12040 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12042 2006-01-11 Richard Guenther <rguenther@suse.de>
12044 PR tree-optimization/25734
12045 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12046 stop propagation after successful propagation to the LHS.
12048 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12050 * basic-block.h (control_flow_graph): Change the type of
12051 x_basic_block_info to VEC(basic_block,gc) *.
12052 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12053 basic_block_info.
12054 (SET_BASIC_BLOCK): New.
12055 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12056 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12057 * cfgbuild.c (find_basic_blocks): Likewise.
12058 * cfglayout.c (fixup_reorder_chain): Likewise.
12059 * cfgrtl.c (create_basic_block_structure,
12060 rtl_create_basic_block): Likewise.
12061 * ifcvt.c (find_if_case_1): Likewise.
12062 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12063 Likewise.
12065 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12067 * Makefile.in: Removed rotted odf.c entry.
12069 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12071 PR target/25706
12072 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12073 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12074 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12075 output pattern modifier, not %e.
12076 * config/cris/cris.c (cris_op_str): Update comment about pattern
12077 modifier.
12078 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12079 before falling through into...
12080 <case 'E'>: Redefined from old 'e' case.
12082 2006-01-11 Jan Hubicka <jh@suse.cz>
12084 PR target/25042
12085 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12087 2006-01-11 Jan Hubicka <jh@suse.cz>
12089 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12090 * i386.c (x86_decompose_lea): Kill.
12091 (ix86_rtx_costs): Kill.
12093 2006-01-11 Jan Hubicka <jh@suse.cz>
12095 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12096 * cgraph.h (cgraph_node): Add inline_decl.
12097 (cgraph_insert_node_to_hashtable): Declare.
12098 (save_inline_function_body): Declare.
12099 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12100 clones.
12101 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12102 (cgraph_function_versioning): Update call of tree_function_versioning.
12103 (save_inline_function_body): New function.
12104 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12105 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12106 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12107 (cgraph_default_inline_p): Likewise.
12108 (cgraph_decide_inlining_incrementally): Likewise.
12109 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12110 (copy_bb): Kill saving; do updating of clones.
12111 (copy_cfg_body): Kill saving.
12112 (initialize_inlined-parameters): Likewise.
12113 (expand_call_inline): Likewise.
12114 (save_body): Kill.
12115 (tree_function_versioning): New parameter "update_clones".
12116 (inlining_p): Kill saving.
12117 * tree-inline.h (tree_function_versioning): Update prototype.
12118 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12119 saving.
12121 2006-01-11 Ian Lance Taylor <ian@airs.com>
12123 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12124 Allow undoing set of machine mode.
12125 (do_SUBST): Use enums instead of is_int.
12126 (do_SUBST_MODE): New function.
12127 (SUBST_MODE): New macro.
12128 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12129 reg and trying to replace reg_regno_rtx with a new register.
12130 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12131 (simplify_set): Use SUBST_MODE.
12132 (distribute_notes): Remove code that tried to update reg notes
12133 for regno_reg_rtx changes.
12135 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12137 PR tree-optimization/23109
12138 PR tree-optimization/23948
12139 PR tree-optimization/24123
12141 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12142 * tree-cfg.c (single_noncomplex_succ): New.
12143 * tree-flow.h (single_noncomplex_succ): Declare it.
12144 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12145 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12146 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12147 insert_bb, register_division_in, insert_reciprocals,
12148 replace_reciprocal, free_bb): New.
12149 (execute_cse_reciprocals_1): Rewritten.
12150 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12151 Do not commit any edge insertion. Always compute dominators and
12152 create the allocation pool.
12153 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12154 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12155 * targhooks.c (default_min_divistions_for_recip_mul): New.
12156 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12157 * passes.c (init_optimization_passes): Run recip after tree loop
12158 optimizations.
12159 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12161 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12162 Kenneth Zadeck <zadeck@naturalbridge.com>
12164 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12165 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12166 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12167 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12168 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12169 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12170 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12171 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12172 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12173 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12174 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12175 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12176 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12177 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12178 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12179 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12180 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12181 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12182 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12183 DF_SCAN_POST_ALLOC): New macros.
12184 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12185 df_free_bb_function, df_local_compute_function, df_init_function,
12186 df_dataflow_function, df_confluence_function_0,
12187 df_confluence_function_n, df_transfer_function,
12188 df_finalizer_function, df_free_function, df_dump_problem_function,
12189 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12190 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12191 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12192 df_urec_bb_info, ) New types.
12193 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12194 variables.
12195 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12196 df_analyze_simple_change_some_blocks,
12197 df_analyze_simple_change_one_block, df_compact_blocks,
12198 df_bb_replace, df_bb_regno_last_use_find,
12199 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12200 df_insn_regno_def_p, df_find_def, df_find_use,
12201 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12202 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12203 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12204 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12205 debug_df_chain, df_get_dependent_problem, df_chain_create,
12206 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12207 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12208 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12209 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12210 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12211 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12212 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12213 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12214 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12215 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12216 df_reorganize_refs, df_set_state, df_hard_reg_init,
12217 df_read_modify_subreg_p) New public functions.
12218 * df-core.c: The core dataflow solver and glue routines for rtl
12219 dataflow.
12220 (df_init, df_add_problem, df_set_blocks, df_finish,
12221 df_hybrid_search_forward, df_hybrid_search_backward,
12222 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12223 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12224 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12225 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12226 df_reg_defined, df_find_use, df_reg_used, df_dump,
12227 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12228 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12229 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12230 debug_df_useno, reset_df_after_reload): New functions.
12231 * df-scan.c: The scanning fuctions, once in df.c, completely
12232 rewritten so that they now fully model the functionality of
12233 register usage at the backend.
12234 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12235 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12236 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12237 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12238 df_get_artificial_defs, df_get_artificial_uses,
12239 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12240 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12241 df_refs_delete, df_reorganize_refs, df_set_state,
12242 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12243 df_def_record_1, df_defs_record, df_uses_record,
12244 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12245 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12246 df_record_exit_block_uses, df_hard_reg_init): New functions.
12248 * df-problems.c: Seven concrete dataflow problems that use the
12249 scanning in df-scan.c and are solved by the engine in df-core.c.
12250 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12251 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12252 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12253 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12254 df_ru_free_bb_info, df_ru_alloc,
12255 df_ru_bb_local_compute_process_def,
12256 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12257 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12258 df_ru_transfer_function, df_ru_free, df_ru_dump,
12259 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12260 df_rd_free_bb_info, df_rd_alloc,
12261 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12262 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12263 df_rd_transfer_function, df_rd_free, df_rd_dump,
12264 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12265 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12266 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12267 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12268 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12269 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12270 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12271 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12272 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12273 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12274 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12275 df_urec_mark_reg_use_for_earlyclobber,
12276 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12277 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12278 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12279 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12280 df_chain_create_bb_process_use, df_chain_create_bb,
12281 df_chain_finalize, df_chain_free, df_chains_dump,
12282 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12283 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12284 df_reg_lifetime): New functions.
12285 * df.c: Deleted file.
12286 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12287 consistent with new df api.
12288 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12289 rest_of_handle_sms): Ditto.
12290 * web.c (unionfind_union, union_defs, entry_register, web_main):
12291 Ditto.
12292 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12293 invariant_expr_equal_p, find_defs, check_dependencies,
12294 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12295 free_inv_motion_data, move_loop_invariants): Ditto.
12296 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12297 Update dependencies.
12298 (odf.c): Added defective entry that was deleted later in day.
12299 * sched-deps.c (sched_analyze_1): Ditto.
12301 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12303 * tree-ssa-operands.c (get_expr_operands): Record addressable
12304 variables directly. Do not call add_stmt_operands for CONST_DECLs
12305 and ARRAY_DECLs.
12306 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12307 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12309 2006-01-11 Ben Elliston <bje@au.ibm.com>
12311 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12312 function returns true in the positive case.
12314 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12316 PR target/20754
12317 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12318 for SI, DI, SF and DF modes. Add alternatives to copy between
12319 general and floating point registers to the 32-bit patterns.
12320 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12321 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12322 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12323 generating 64-bit code.
12324 * config/pa/pa.c (output_move_double): Handle copies between general
12325 and floating registers.
12327 2006-01-10 Stuart Hastings <stuart@apple.com>
12329 * config/i386/i386.md (set_got): Update.
12330 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12331 (builtin_setjmp_receiver): Mach-O support.
12332 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12333 (GOT_SYMBOL_NAME): Define.
12334 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12335 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12336 * config/i386/i386.c (override_options): Revise for Darwin.
12337 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12338 support. (darwin_x86_file_end): New. (output_set_got): Add label
12339 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12340 * config/i386/i386-protos.h (output_set_got): Likewise.
12341 * config/darwin.c (machopic_legitimize_pic_address): Update
12342 regs_ever_live[].
12344 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12346 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12347 when MODE isn't BLKmode.
12349 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12351 PR rtl-optimization/25367
12352 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12354 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12356 PR target/25718
12357 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12358 for a negative bound.
12360 2006-01-10 Richard Guenther <rguenther@suse.de>
12362 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12363 Never override with anything constraint.
12365 2006-01-10 Jan Beulich <jbeulich@novell.com>
12367 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12368 256 bits when optimize_size.
12370 2006-01-10 Jan Beulich <jbeulich@novell.com>
12372 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12373 MASK_ALIGN_DOUBLE.
12374 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12375 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12376 arguments.
12378 2006-01-10 Ben Elliston <bje@au.ibm.com>
12380 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12381 float modes.
12382 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12383 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12384 (USE_FP_FOR_ARG): Reject decimal float modes.
12385 (function_arg_advance): Likewise.
12386 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12387 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12388 point types in AltiVec vectors.
12389 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12390 (rs6000_libcall_value): Likewise.
12392 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12394 * config/xtensa/ieee754-df.S: New file.
12395 * config/xtensa/ieee754-sf.S: New file.
12396 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12397 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12398 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12400 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12402 * config/sh/predicates.md (binary_float_operator,
12403 binary_logical_operator, commutative_float_operator,
12404 equality_comparison_operator, greater_comparison_operator,
12405 less_comparison_operator, logical_operator,
12406 noncommutative_float_operator, shift_operator,
12407 symbol_ref_operand, unary_float_operator): Remove redundant
12408 conditionals.
12410 2006-01-09 Jeff Law <law@redhat.com>
12412 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12413 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12414 now unused arguments. Callers updated.
12415 (eliminate_redundant_computations): Remove now unused arguments,
12416 callers updated.
12417 (local_fold): Remove, no longer used.
12418 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12419 and moved to...
12420 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12421 (simplify_cond): New function.
12422 (forward_propagate_into_cond): Call simplify_cond.
12424 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12426 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12427 (*vec_extractv2di_1_sse): New.
12429 2006-01-09 Ben Elliston <bje@au.ibm.com>
12431 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12433 2006-01-08 Richard Guenther <rguenther@suse.de>
12435 * tree-ssa-structalias.c (get_constraint_for): Remove
12436 anyoffset argument.
12437 (get_constraint_for_component_ref): Likewise.
12438 (do_deref): Likewise.
12439 (get_constraint_for): Likewise.
12440 (do_structure_copy): Likewise.
12441 (handle_ptr_arith): Likewise.
12442 (find_func_aliases): Likewise. Remove unused need_anyoffset
12443 variable.
12445 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12446 Kaz Kojima <kkojima@gcc.gnu.org>
12448 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12449 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12450 (EXTRA_CONSTRAINT_C16): Remove.
12451 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12452 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12453 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12454 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12455 constants of SHmedia. Handle nested constant expressions of
12456 SHmedia correctly.
12457 (andcosts): Fix the costs for SHmedia constants.
12458 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12459 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12460 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12461 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12462 (movv4hi_i, movv2si_i): Likewise.
12463 (movsi_const): Adjust the second operand of ior so to match with
12464 the Csu constraint.
12465 (movdi_const, movdi_const_32bit): Likewise.
12466 (movdi_const_16bit+1): Don't sign-extend LOW.
12467 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12468 step.
12469 (*double_shori): Fix the split condition. Use GEN_INT instead
12470 of get_int_mode calls. Mask lower 16-bit of the argument of
12471 the last GEN_INT.
12472 (sym2GOTPLT): Remove.
12473 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12474 gen_rtx_UNSPEC.
12475 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12476 instead of EXTRA_CONSTRAINT_C16.
12478 2006-01-07 Ian Lance Taylor <ian@airs.com>
12479 David Edelsohn <edelsohn@gnu.org>
12481 PR rtl-optimization/25662
12482 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12483 for constant operands instead of simplify_gen_binary.
12484 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12485 after trying simplify_binary_operation
12487 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12489 * tree.c (iterative_hash_expr): Hash decls based on UID.
12491 2006-01-06 Eric Christopher <echristo@apple.com>
12493 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12494 (TARGET_UNWIND_EMIT): Fix spelling.
12495 * target.h (gcc_target): Add except_table_label.
12496 * except.c (output_function_exception_table): Use.
12497 * varasm.c (default_emit_except_table_label): New.
12498 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12499 define.
12500 (asm_out): Add here.
12501 * output.h (default_emit_except_table_label): Prototype.
12502 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12503 * config/darwin.c (darwin_emit_except_table_label): Define.
12504 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12506 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12508 PR tree-optimization/18527
12509 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12510 number_of_iterations_special, number_of_iterations_exit):
12511 Move base and step of an iv to a single structure. Add
12512 no_overflow flag, and use it in # of iterations analysis.
12513 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12514 folded_casts argument.
12515 (simple_iv): Pass base and step in a structure. Set no_overflow
12516 flag.
12517 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12518 Evaluate expensiveness of computing # of iterations instead of
12519 the final expression.
12520 * tree-scalar-evolution.h (affine_iv): New structure.
12521 (simple_iv): Declaration changed.
12522 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12523 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12524 find_givs_in_stmt): Changed due to simple_iv change.
12526 2006-01-06 Jeff Law <law@redhat.com>
12528 PR ada/24994
12529 * tree-cfg.c (bsi_replace): Rename final argument from
12530 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12531 change (stmt -> orig_stmt).
12532 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12533 (bsi_remove): Add new argument. Remove EH information
12534 if requested.
12535 (verify_eh_throw_table_statements): New function.
12536 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12537 updated.
12538 * tree-optimize.c (execute_free_cfg_annotations): Verify
12539 the EH throw statement table after removing annotations.
12540 * except.h (verify_eh_throw_table_statements): Prototype.
12541 * tree-flow.h (bsi_remove): Update prototype.
12542 * tree-vrp.c (remove_range_assertions): Add new argument to
12543 bsi_remove call.
12544 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12545 * tree-complex.c (expand_complex_div_wide): Likewise.
12546 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12547 * tree-tailcall.c (eliminate_tailcall): Likewise.
12548 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12549 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12550 * tree-nrv.c (tree_nrv): Likewise.
12551 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12552 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12553 (combine_blocks): Likewise.
12554 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12555 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12556 (cleanup_control_flow): Likewise.
12557 (remove_forwarder_block): Likewise.
12558 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12559 * tree-sra.c (sra_replace): Likewise.
12560 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12561 (forward_propagate_single_use_vars): Likewise.
12562 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12563 * tree-inline.c (expand_call_inline): Likewise.
12564 * tree-vect-transform.c (vect_transform_loop): Likewise.
12565 * tree-outof-ssa.c (rewrite_trees): Likewise.
12566 * tree-cfg.c (make_goto_expr_edges): Likewise.
12567 (cleanup_dead_labels): Likewise.
12568 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12569 (bsi_move_before, bsi_move_after): Likewise.
12570 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12571 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12573 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12575 PR tree-opt/25528
12576 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12577 and IMAGPART_EXPR.
12578 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12579 on non gimple variables. Also add checks at the top for decls and
12580 mtags.
12581 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12582 complex types.
12583 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12584 and IMAGPART_EXPR for creating MUST_DEFs.
12585 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12586 and NAME_MEMORY_TAG separately from the DECLs.
12588 2006-01-06 Richard Guenther <rguenther@suse.de>
12590 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12591 annotation, if necessary.
12592 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12593 redundant calls to update_stmt.
12594 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12595 Likewise.
12597 2006-01-05 Richard Henderson <rth@redhat.com>
12599 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12601 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12603 * c-typeck.c: Update copyright date.
12605 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12607 * c-typeck.c (build_c_cast): Always warn when casting
12608 from a pointer to an integer of different size, even if
12609 the node was constant.
12611 2006-01-05 Richard Guenther <rguenther@suse.de>
12613 PR tree-optimization/22555
12614 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12615 if one structure field is an array.
12616 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12617 operands even if we found a subvar, but ignore VOPs in this
12618 case.
12619 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12620 for renaming.
12621 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12623 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12625 PR middle-end/24998
12626 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12628 2006-01-05 Richard Guenther <rguenther@suse.de>
12629 Diego Novillo <dnovillo@redhat.com>
12631 * tree-pass.h (TODO_remove_unused_locals): Define.
12632 * gimple-low.c (expand_var_p, remove_useless_vars,
12633 pass_remove_useless_vars): Remove. Update all users.
12634 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12635 (remove_unused_locals): New function.
12636 * tree-flow.h (remove_unused_locals): Declare.
12637 * passes.c (execute_todo): Call remove_unused_locals if
12638 TODO_remove_unused_locals is set.
12639 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12640 * tree-ssa-dce.c (pass_dce): Likewise.
12641 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12643 2006-01-05 Richard Guenther <rguenther@suse.de>
12645 * tree-flow.h (struct fieldoff): Decompose field to
12646 type, size and decl.
12647 * tree-ssa-alias.c (create_sft): Take type as parameter.
12648 (create_overlap_variables_for): Store type, size and decl
12649 in the fieldoff structure.
12650 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12651 of struct fieldoff.
12652 (push_fields_onto_fieldstack): Likewise.
12653 (create_variable_info_for): Likewise. Use offset for the
12654 SFT name if the decl is not available.
12656 2006-01-04 Paul Brook <paul@codesourcery.com>
12658 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12660 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12662 * lambda-code.c (can_put_in_inner_loop): Relax
12663 restrictions.
12664 (can_put_after_inner_loop): New function.
12665 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12666 (perfect_nestify): Change to make copies and modify uses.
12668 2006-01-04 Richard Henderson <rth@redhat.com>
12670 Merge from gomp branch:
12671 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12672 via integer constant.
12673 (pragma_lex): Remove.
12674 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12675 rather than parsing it.
12676 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12677 handle_pragma_extern_prefix): Add %< %> quotes.
12678 (registered_pragmas): New.
12679 (c_register_pragma_1): New.
12680 (c_register_pragma): Use it.
12681 (c_register_pragma_with_expansion): Likewise.
12682 (c_invoke_pragma_handler): New.
12683 (init_pragma): Use cpp_register_deferred_pragma directly for
12684 pch_preprocess.
12685 * c-pragma.h (enum pragma_kind): New.
12686 (pragma_handler): New.
12687 (c_invoke_pragma_handler): Declare.
12688 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12689 CPP_PRAGMA_EOL.
12690 * c-common.h (c_common_pch_pragma): Update decl.
12691 * Makefile.in (c-parser.o): Update dependencies.
12692 (GTFILES): Add c-pragma.h.
12693 * c-parser.c (struct c_token): Add pragma_kind.
12694 (struct c_parser): Add in_pragma.
12695 (c_lex_one_token): Always initialize keyword and pragma_kind.
12696 Extract data for CPP_PRAGMA.
12697 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12698 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12699 Don't allow CPP_PRAGMA_EOL if in_pragma.
12700 (c_parser_consume_pragma): New.
12701 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12702 (c_parser_skip_to_end_of_parameter): Likewise.
12703 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12704 (c_parser_skip_to_pragma_eol): New.
12705 (c_parser_external_declaration): Handle CPP_PRAGMA.
12706 (c_parser_compound_statement_nostart): Likewise.
12707 (c_parser_statement_after_labels): Likewise.
12708 (c_parser_pragma): New.
12709 (pragma_lex): Likewise.
12710 (c_parser_pragma_pch_preprocess): New.
12711 (c_parser_new): Merge into ...
12712 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12714 2006-01-04 Jeff Law <law@redhat.com>
12716 PR ada/24994
12717 * tree-cfg.c (bsi_replace): Remove the original statement
12718 from the EH throw statement table.
12720 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12722 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12723 make the prototype extern "C" and add throw ().
12725 PR target/25554
12726 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12727 and pos non-negative and pos + len <= 32.
12728 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12729 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12730 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12732 PR c/25559
12733 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12734 as well as sizes not multiple of component size.
12736 PR debug/25562
12737 * function.c (instantiate_expr): New function.
12738 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12739 walk its DECL_VALUE_EXPR with instantiate_expr.
12741 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12742 DW_OP_deref{,_size} if address isn't going to be added.
12744 2006-01-04 Ben Elliston <bje@au.ibm.com>
12746 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12747 * config/fp-bit.c: Likewise.
12749 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12751 * dominance.c: Add comment about why we use DFS numbering
12752 of dominance tree.
12754 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12755 Richard Henderson <rth@redhat.com>
12757 Merge from gomp-branch:
12758 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12759 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12761 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12763 PR rtl-optimization/25578
12764 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12765 pass a parameter to simplify_shift_const if changing ASHIFTRT
12766 to LSHIFTRT.
12768 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12770 * builtins.c (get_builtin_sync_mem): New function.
12771 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12772 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12773 Call get_builtin_sync_mem to generate mem rtx.
12775 2006-01-03 Richard Guenther <rguenther@suse.de>
12777 PR c/25183
12778 * stmt.c (add_case_node): Make sure to clear overflow flags
12779 from ranges.
12781 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12783 Merge from gomp-branch.
12784 * config/sparc/sync.md: New file.
12785 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12786 UNSPECV_LDSTUB): New constants.
12787 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12788 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12789 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12790 prototype.
12792 2006-01-03 Roger Sayle <roger@eyesopen.com>
12794 * combine.c (reg_subword_p): New predicate to test whether the
12795 destination of a set refers to a subword/piece of a register.
12796 (try_combine): Generalize the code to merge the setting of a
12797 pseudo to a constant followed by a set of a subword of that
12798 register to a constant.
12800 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12802 * basic-block.h (control_flow_graph): Change the type of
12803 x_label_to_block_map to VEC(basic_block,gc) *.
12804 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12805 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12807 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12808 VEC(basic_block,heap) *.
12809 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12810 ssa_prop_fini): Adjust the uses of cfg_blocks.
12812 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12814 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12815 COMPONENT_REFs.
12816 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12817 hashing trees instead of a pointer hash.
12818 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12819 compare for MEM_EXPR.
12821 PR rtl-optimization/25130
12822 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12823 when comparing MEMs for GCSE
12825 2006-01-03 Ben Elliston <bje@au.ibm.com>
12827 * targhooks.h (default_decimal_float_supported_p): Declare.
12828 * targhooks.c (default_decimal_float_supported_p): Define.
12829 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12830 `default_decimal_float_supported_p'.
12831 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12833 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12835 * combine.c (apply_distributive_law <SUBREG>): Check
12836 TRULY_NOOP_TRUNCATION.
12838 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12840 * dwarf2out.c (have_switched_text_section): Delete.
12841 (have_multiple_function_sections): New.
12842 (have_location_lists): Make 'bool'.
12843 (add_AT_loc_list): Use 'true' not '1'.
12844 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12845 (output_loc_list): Use have_multiple_function_sections.
12846 (output_ranges): Likewise.
12847 (dwarf2out_begin_function): Set have_multiple_function_sections if
12848 necessary.
12849 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12850 Check function_section rather than DECL_SECTION_NAME.
12851 (dwarf2out_finish): Use have_multiple_function_sections.
12852 Don't clear have_location_lists.
12854 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12855 Jan Hubicka <jh@suse.cz>
12857 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12858 case of conditional jump jumping to the next instruction.
12859 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12860 cases of conditional jump jumping to the next instruction.
12862 2006-01-02 Jan Hubicka <jh@suse.cz>
12864 * i386.c (*_cost): Add COSTS_N_INSNS.
12865 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12867 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12869 PR target/25259
12870 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12872 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12874 * config/arm/arm.c (all_fpus): Fix comment typo.
12875 * config/darwin.c: Likewise.
12876 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12877 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12878 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12880 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12882 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12883 (rs6000_split_compare_and_swapqhi): New.
12884 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12885 (sync_compare_and_swapqhi_internal): New.
12886 * config/rs6000/rs6000-protos.h: Declare.