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1 2006-07-03 Roger Sayle <roger@eyesopen.com>
3 PR tree-optimization/26251
4 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5 (thread_block): When optimizing for size refuse to thread jumps
6 that would require duplication of blocks other than redirection
7 blocks.
9 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
11 * configure.ac: Fix thinko in previous check-in.
12 * configure: Regenerate.
14 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
16 PR other/27063
17 * configure.ac (for lang...): Simplify nesting of conditionals.
18 Test subdir_requires for non-enabled languages. Move processing
19 of lang_opt_files and lang_tree_fiels below that test.
20 * configure: Regenerate.
21 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
23 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
25 * doc/gcov.texi (Invoking Gcov): Add a missing word.
27 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
29 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
30 comment typos.
32 2006-06-29 Jason Merrill <jason@redhat.com>
34 PR c++/26905
35 PR c++/26612
36 PR c++/27000
37 PR c++/26984
38 PR c++/19134
39 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
40 * c-common.c (c_determine_visibility): Handle it here.
41 * c-decl.c (finish_decl): Call c_determine_visibility for
42 functions, too.
43 * flags.h (enum symbol_visibility): Sort from most to least visibility.
44 * tree.h: Likewise.
45 * varasm.c (default_assemble_visibility): Likewise.
46 * c-common.c (handle_visibility_attribute): Complain about trying
47 to give visibility to an already defined class, or trying to change
48 declared visibility. Always attach the attribute.
50 PR c++/26905
51 PR c++/21675
52 PR c++/17470
53 * attribs.c (decl_attributes): Ignore type-in-place attributes
54 once the type has been defined.
56 2006-06-29 Roger Sayle <roger@eyesopen.com>
58 PR middle-end/27428
59 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
60 to indicate the cpplib has issued an error message for us.
62 2006-06-29 Asher Langton <langton2@llnl.gov>
64 PR target/25765
65 * config/i386/i386.c (ix86_output_function_epilogue): Don't
66 insert a label at the end of an function under Mach-O.
68 2006-06-29 Eric Christopher <echristo@apple.com>
69 Evan Cheng <evan.cheng@apple.com>
71 * predicates.md (vector_all_ones_operand): New.
72 (nonimmediate_or_sse_const_operand): Ditto.
73 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
74 * config/i386/i386.c (standard_sse_constant_opcode): Define.
75 (standard_sse_mode_p): Ditto.
76 (standard_sse_constant_p): Add case for -1 vector.
77 (ix86_expand_vector_move): Try to use.
78 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
79 Call standard_sse_constant_opcode.
80 (*movv4sf_internal): Ditto.
81 (*movv2df_internal): Ditto.
83 2006-06-29 Roger Sayle <roger@eyesopen.com>
85 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
86 of XEXP to extract the operands of a MATCH_CODE rtx.
88 2006-06-28 Andrew Pinski <pinskia@gmail.com>
90 * tree.c (tree_size): Do not waste tail padding in
91 struct tree_string and make the size be the same as
92 build_string will generate.
94 2006-06-28 Jason Merrill <jason@redhat.com>
96 PR c++/27768
97 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
98 may_aliases already in the tag's annotations to the bitmap.
100 2006-06-28 Roger Sayle <roger@eyesopen.com>
102 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
104 2006-06-28 Roger Sayle <roger@eyesopen.com>
106 * genpreds.c (generate_switch_p): New function.
107 (add_mode_tests): Push the new mode test down inside an AND expr
108 if this allows the switch-suitable MATCH_CODE to be near the root.
109 (write_match_code_switch): New function to write a MATCH_CODE as
110 a switch statement.
111 (write_predicate_stmts): New function to write a predicate RTX
112 expression as a sequence of statements.
113 (write_one_predicate_function): Use write_predicate_stmts.
114 (write_tm_constrs_h): Likewise.
116 2006-06-26 Fred Fish <fnf@specifix.com>
118 * config/mips/t-sb1: New file.
119 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
120 tmake_file list.
122 2006-06-26 DJ Delorie <dj@redhat.com>
124 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
126 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
127 Jayant Sonar <jayants@kpitcummins.com>
128 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
130 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
131 (subsi3, subsi3_1, subsi3_2): New.
132 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
133 * config/m32c/mov.md (SI mov peephole): New.
134 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
135 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
137 2006-06-26 Olivier Hainque <hainque@adacore.com>
139 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
140 a CALL_EXPR target function declaration.
142 2006-06-26 Richard Guenther <rguenther@suse.de>
144 * tree.c (build_string): Do not waste tail padding in
145 struct tree_string.
147 2006-06-26 Richard Guenther <rguenther@suse.de>
149 * ggc-page.c (init_ggc): Add missing element to size_lookup
150 table.
152 Revert
153 2006-06-23 Richard Guenther <rguenther@suse.de>
155 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
156 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
157 alignment requests instead. Add verification code.
158 Add struct tree_function_decl and struct tree_binfo size to
159 extra_order_size_table. Add missing element to size_lookup
160 table.
162 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
164 PR middle-end/28151
165 * fold-const.c (const_binop): Be prepared for self returning zero.
166 Simplify code handling complex values.
168 2006-06-24 Olivier Hainque <hainque@adacore.com>
170 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
171 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
172 aggregate types.
174 2006-06-24 Olivier Hainque <hainque@adacore.com>
176 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
177 ARRAY_REF, so have the callback called for the low bound expression.
179 2006-06-23 Janis Johnson <janis187@us.ibm.com>
181 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
182 * c-typeck.c (c_common_type): Disallow operations on decimal float
183 types and other float types.
184 * convert.c (convert_to_real): Don't ignore conversions involving
185 decimal float types.
187 2006-06-23 Olivier Hainque <hainque@adacore.com>
189 * tree.c (max_int_size_in_bytes): New function, inspired from
190 code in function.c:assign_temp.
191 * tree.h (max_int_size_in_bytes): Declare.
192 * function.c (assign_temp): Use it.
193 * gimplify.c (create_tmp_var): Relax the assertions on the type
194 properties, not mandating constant size any more.
195 (force_constant_size): New static function.
196 (gimple_add_tmp_var): Use it, forcing variable size to a
197 constant upper bound if it is not constant on entry.
199 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
201 PR target/27789
202 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
203 for initialization and setting of one_only flag to ...
204 (i386_pe_encode_section_info): ...here.
205 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
206 Recheck that the symbol has not been defined.
208 2006-06-23 Richard Guenther <rguenther@suse.de>
210 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
211 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
212 alignment requests instead. Add verification code.
213 Add struct tree_function_decl and struct tree_binfo size to
214 extra_order_size_table. Add missing element to size_lookup
215 table.
217 2006-06-22 Roger Sayle <roger@eyesopen.com>
218 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
220 PR middle-end/28131
221 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
222 call to lang_hooks.types.type_for_mode returned NULL_TREE.
224 2006-06-23 Ben Elliston <bje@au.ibm.com>
226 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
227 negate dn -- manipulate it directly.
229 2006-06-22 Roger Sayle <roger@eyesopen.com>
230 Steven Bosscher <stevenb.gcc@gmail.com>
232 PR target/27531
233 * reload1.c (gen_reload): Call mark_jump_label on the new insns
234 generated by gen_move_insn to add REG_LABEL notes if necessary.
236 2006-06-22 Bob Wilson <bob.wilson@acm.org>
238 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
239 (leaf_entry): Remove use of MIN_ESA.
241 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
243 PR rtl-optimization/28121
244 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
245 the entry edge.
247 2006-06-21 DJ Delorie <dj@redhat.com>
249 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
250 (TN-16C-A156A/E).
251 (mulhisi3_r): Likewise.
253 2006-06-21 Richard Sandiford <richard@codesourcery.com>
255 PR middle-end/28034
256 * coverage.c (coverage_counter_alloc): Leave the index type
257 unspecified.
258 (coverage_counter_alloc): Use null arguments for operands 2 and 3
259 of the ARRAY_REF.
261 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
263 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
264 section from the "Options for Code Generation Conventions".
266 2006-06-21 Richard Henderson <rth@redhat.com>
268 PR target/26347
269 PR target/27082
270 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
271 symbols.
272 (global_symbolic_operand): Allow weak symbols, even if local_p.
274 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
276 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
277 (find_interesting_uses_address): Punt if above function returns true.
279 2006-06-21 Richard Guenther <rguenther@suse.de>
281 * configure: Regenerated.
283 2006-06-21 Joseph Myers <joseph@codesourcery.com>
285 * config/mips/mips.c (function_arg): Where one part of a
286 complex argument is in registers and the other part in the stack,
287 return a REG not a PARALLEL.
289 2006-06-21 Mark Mitchell <mark@codesourcery.com>
291 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
292 when cross-compiling. Do not substitute libstdcxx_incdir.
293 * configure: Regenerated.
295 2006-06-21 Jakub Jelinek <jakub@redhat.com>
297 * varasm.c (mergeable_string_section): Check for embedded NULs and
298 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
299 rather than TREE_STRING_LENGTH bytes.
301 2006-06-21 Richard Guenther <rguenther@suse.de>
303 * ggc-page.c (extra_order_size_table): Add var_ann_d,
304 tree_ssa_name, bitmap_element and phi_node with 4 arguments
305 sizes.
307 2006-06-21 Richrad Guenther <rguenther@suse.de>
309 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
310 Limit iteration over the dominators.
312 2006-06-20 Roger Sayle <roger@eyesopen.com>
314 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
315 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
317 2006-06-20 Richard Guenther <rguenther@suse.de>
318 Michael Matz <matz@suse.de>
320 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
321 function.
322 * alloc-pool.c (free_alloc_pool_if_empty): New function.
323 * et-forest.h (et_free_pools): Prototype new function.
324 * et-forest.c (et_free_tree_force): Free parent occurrence.
325 (et_free_pools): New function.
326 * dominance.c (free_dominance_info): Free et-forest alloc
327 pools.
329 2006-06-20 Roger Sayle <roger@eyesopen.com>
331 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
332 integer modes, attempt to directly construct an integer constant.
334 * fold-const.c (native_encode_vector): Determine the size of each
335 element from the vector type instead of the first vector element.
337 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
338 if all of its elements/components are constant.
339 (build_constructor_from_list): Likewise.
341 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
343 PR tree-optimization/27331
344 * tree-data-ref.c (free_data_ref): New function.
345 (create_data_ref): Fail if the data reference has unknown access
346 function.
347 (free_data_refs): Use free_data_ref.
349 2006-06-19 Andrew Pinski <pinskia@gmail.com>
351 PR middle-end/28075
352 * tree-inline.c (setup_one_parameter): Strip useless
353 type conversion before adding it to the IR.
354 (declare_return_variable): Likewise.
356 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
358 PR c/27149
359 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
361 2006-06-19 Mike Stump <mrs@apple.com>
363 * tree.c (variably_modified_type_p): VM arguments don't make the
364 type a VM type.
366 2006-06-19 Richard Guenther <rguenther@suse.de>
368 * tree-ssa-pre.c (try_combine_conversion): Strip useless
369 type conversions after folding.
371 2006-06-19 Richard Guenther <rguenther@suse.de>
373 * ggc-page.c (extra_order_size_tab): Add entries with
374 size of struct function and basic_block.
375 (size_lookup): Extend to cover sizes up to 511.
376 (ggc_alloc_stat): Adjust user.
377 (ggc_pch_count_object): Likewise.
378 (ggc_pch_alloc_object): Likewise.
379 (ggc_pch_write_object): Likewise.
381 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
383 * tree-ssa-loop-niter.c (implies_ge_p): New function.
384 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
385 correctly.
387 2006-06-19 Denis Chertykov <denisc@overta.ru>
389 * config/avr/libgcc.S : Correct my wrong previous commit.
391 2006-06-19 Roger Sayle <roger@eyesopen.com>
393 PR target/27861
394 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
395 have stripped a SUBREG from the shift count, so we may need to
396 convert_to_mode back to the type's mode before calling make_tree.
397 Use new_amount instead of amount to avoid expanding a tree twice.
399 2006-06-19 Richard Guenther <rguenther@suse.de>
401 PR middle-end/28045
402 * fold-const.c (operand_equal_p): Check if the argument types
403 have the same precision before stripping NOPs.
405 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
407 Fix PR tree-optimization/27341
408 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
409 statement we get.
410 * tree-complex.c (pass_lower_complex): Update SMT usage.
412 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
414 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
415 Add a new alternative to the constraint strings. Add move of
416 operand 1 to 3 to the splitter definition.
417 ("doloop_si_long"): Second contraint alternative removed.
419 2006-06-08 Anatoly Sokolov <aesok@post.ru>
421 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
422 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
423 __AVR_HAVE_LPMX__.
424 (AVR_HAVE_MOVW) Define.
425 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
426 (ASM_SPEC): Add avr25.
427 (LINK_SPEC): Add avr25.
428 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
429 (base_arch_s): Add new member 'have_movw_lpmx'.
430 (avr_arch_types): Init 'have_movw_lpmx'.
431 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
432 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
433 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
434 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
435 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
436 AVR_HAVE_MOVW.
437 (avr_file_start): Do not output '.arh' derective.
438 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
439 (__do_copy_data): Use __AVR_HAVE_LPMX__.
440 * config/avr/avr.md (mcu_enhanced): Delete.
441 (mcu_have_movw): Define.
442 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
443 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
444 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
445 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
446 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
447 attiny861 and at86rf401 devices.
449 2006-06-18 Jie Zhang <jie.zhang@analog.com>
451 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
452 of 4096.
454 2006-06-17 Karl Berry <karl@gnu.org>
456 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
457 doc/gccint.texi, doc/install.texi (@dircategory): Use
458 "Software development" instead of "Programming", following
459 the Free Software Directory.
461 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
463 * config/i386/i386.c (legitimate_tls_address)
464 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
465 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
466 (*tls_dynamic_gnu2_combine_64): Likewise.
468 2006-06-16 Richard Guenther <rguenther@suse.de>
470 PR middle-end/27116
471 * fold-const.c (negate_expr_p): Do not introduce undefined
472 overflow in negating INTEGER_CSTs.
473 (fold_negate_expr): Rename from negate_expr. Revert last
474 change for folding BIT_NOT_EXPR. Change semantics to
475 return NULL_TREE for non-simplified negations. Do not
476 strip type conversions and unify type handling.
477 (negate_expr): New function, wrap around fold_negate_expr
478 but ensure building a tree always. Strip type conversions
479 here, fold to result type.
480 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
482 2006-06-16 Roger Sayle <roger@eyesopen.com>
484 PR middle-end/27802
485 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
486 that (would) return their results in stack registers.
488 2006-06-16 Michael Matz <matz@suse.de>
489 Richard Guenther <rguenther@suse.de>
491 * fold-const.c (fold_truthop): Only return new tree node if
492 we canonicalized something.
494 2006-06-16 Richard Guenther <rguenther@suse.de>
496 * function.h (enum function_frequency): Move declaration
497 out of struct function.
498 (struct function): Move bool fields and the enum to the bitfield
499 section. Reorder elements to avoid padding. Remove unused
500 fields left over from the RTL inliner removal.
501 * function.c (free_after_compilation): Do not zero removed fields.
502 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
503 (ipa-type-escape.o): Likewise.
505 2006-06-16 Richard Guenther <rguenther@suse.de>
507 * cgraph.h (struct cgraph_local_info): Turn bool elements
508 into a bitfield.
509 (struct cgraph_node): Likewise.
510 (struct cgraph_varpool_node): Likewise.
512 2006-06-15 Richard Guenther <rguenther@suse.de>
514 * fold-const.c (fold_truth_not_expr): Rename from
515 invert_truthvalue. Give it fold_* semantics to avoid
516 generating garbage.
517 (invert_truthvalue): New function. Wrapper around
518 fold_truth_not_expr.
519 (optimize_minmax_comparison): Avoid creating garbage.
520 (fold_unary): Use fold_truth_not_expr for folding
521 TRUTH_NOT_EXPR.
522 (fold_ternary): Replace uses of invert_truthvalue with
523 fold_truth_not_expr where applicable.
524 * tree.h (fold_truth_not_expr): Prototype.
526 2006-06-16 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/27781
529 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
530 * ipa-pure-const.c (target.h): Include.
531 (analyze_function): Do not analyze functions that do not
532 bind locally.
534 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
536 PR middle-end/27793
537 * tree-dfa.c (referenced_vars_dup_list): Remove.
538 (find_referenced_vars): Remove assert.
539 (referenced_var_check_and_insert): Replace dup list with assert.
540 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
541 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
543 2006-06-15 Richard Guenther <rguenther@suse.de>
545 * tree-ssa-structalias.c (alias_get_name): Avoid creating
546 extra unused identifiers if not dumping.
547 (create_variable_info_for): Likewise.
549 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
551 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
552 (derive_constant_upper_bound): Derive more precise upper bound in
553 common cases. Return type changed to double_int.
554 (record_estimate): Reflect the changed return type of
555 derive_constant_upper_bound.
556 * double-int.c (double_int_zext, double_int_sext): Fix.
558 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
560 * configure.ac (CFLAGS): Get them from the toplevel or from the
561 configure invocation.
562 * configure: Regenerate.
563 * Makefile.in (CFLAGS): Substitute value provided by configure.
565 2006-06-14 Mark Mitchell <mark@codesourcery.com>
567 PR c++/26559
568 * c-common.h (c_finish_omp_atomic): Adjust declaration.
569 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
570 rather than calling add_stmt on it.
571 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
573 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
575 PR middle-end/27959
576 * reload1.c (reload): Remove registers returned by update_eliminables
577 from used_spill_regs.
579 2006-06-13 DJ Delorie <dj@redhat.com>
581 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
583 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
585 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
586 html__strip_dir, html__mkdir_p. Enhance install-html target.
587 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
588 * configure: Regenerate.
590 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
592 * fold-const.c (fold_cond_expr_with_comparison): Check for
593 Objective-C++ as language in deciding COND_EXPR transformation.
595 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
597 PR target/28014:
598 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
599 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
600 * config/sh/lib1funcs.h (SL, SL1): Define.
601 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
602 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
603 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
604 (OBJS_Os_4_200): New variable.
605 ($(T)libgcc-Os-4-200.a): Use it.
606 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
607 when dividing 1 and/or by 0.
609 2006-06-13 Roger Sayle <roger@eyesopen.com>
611 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
612 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
613 * configure: Regenerate.
615 2006-06-13 Jie Zhang <jie.zhang@analog.com>
617 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
618 for real instruction.
620 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
622 PR middle-end/26807
623 * haifa-sched.c (check_cfg): Handle special case.
625 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
627 PR debug/26754
628 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
629 Add debug_info parameter. Chain the vars to the BLOCK instead
630 of the BIND_EXPR if debug info are requested for them.
631 (pop_gimplify_context): Adjust for above change.
632 (gimple_add_tmp_var): Likewise.
633 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
634 Add bool parameter.
635 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
636 (convert_local_reference): Likewise.
637 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
638 (finalize_nesting_tree_1): Request that debug info be emitted
639 for debug_var_chain.
641 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
643 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
644 for PR target/27863.
646 2006-06-13 Richard Guenther <rguenther@suse.de>
648 PR middle-end/27536
649 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
651 2006-06-13 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/27830
654 * tree-inline.c (copy_body_r): For copying the operand
655 of an ADDR_EXPR make sure to fold &* afterwards.
657 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
659 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
660 lvalues in the fb_none case with side-effects.
662 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
664 * tree-flow.h: Remove the prototype for
665 compute_phi_arg_on_exit.
666 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
667 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
668 Remove.
670 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
672 * builtins.c (expand_builtin_return_addr): Only use
673 frame_pointer_rtx when count == 0 and we are expanding
674 __builtin_return_address.
676 2006-06-12 Fred Fish <fnf@specifix.com>
678 * config/mips/mips.c (mips_file_start): Create special section
679 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
681 2006-06-11 Eric Christopher <echristo@apple.com>
683 PR middle-end/27948
684 * stor-layout.c (place_field): Remove check for
685 remaining_in_alignment when aligning at the end of a run.
687 2006-06-11 Eric Christopher <echristo@apple.com>
689 PR 27542
690 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
691 pragma.
693 2006-06-11 Roger Sayle <roger@eyesopen.com>
695 PR target/27858
696 Revert incorrect fix for PR target/27158
697 2006-05-08 Roger Sayle <roger@eyesopen.com>
698 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
699 of a reg_equiv_constant if the result is a legitimate constant.
701 2006-06-11 Roger Sayle <roger@eyesopen.com>
703 PR target/27158
704 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
705 extract a CONST_VECTOR element and interpret it as an integer.
706 (vspltis_constant): Use const_vector_elt_as_int instead of the
707 macro CONST_VECTOR_ELT in order to handle FP vector modes.
708 * config/rs6000/predicates.md (easy_vector_const): Consider
709 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
711 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
713 PR middle-end/27942
714 * stor-layout.c (update_alignment_for_field): Don't add extra
715 alignment for packed non-bitfield fields in ms_bitfield_layout_p
716 code.
718 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
720 * config/mips/t-rtems: Add EL/EB multilib variants.
722 2006-06-09 Mike Stump <mrs@apple.com>
724 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
726 2006-06-09 David Daney <ddaney@avtrex.com>
728 * doc/install.texi: Add binutils version recommendation for mips-*-*.
730 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
732 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
734 2006-06-09 Richard Guenther <rguenther@suse.de>
736 PR tree-optimization/26998
737 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
738 of signed types, only TYPE_MIN_VALUE is special, but for both,
739 minimum and maximum value. Likewise VR_ANTI_RANGE is special
740 in this case, as is -fwrapv.
742 2006-06-08 Mike Stump <mrs@apple.com>
744 PR target/26427
745 * config/darwin.c (darwin_asm_output_anchor): Disable
746 -fsection-anchors on darwin for now.
747 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
748 * rs6000/rs6000.c (optimization_options): Likewise.
750 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
752 PR target/27421
753 * config/i386/i386.c (classify_argument): Skip fields with invalid
754 types in unions.
756 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
758 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
759 (cse_insn): Likewise for the stack_pointer_rtx.
761 2006-06-08 Roger Sayle <roger@eyesopen.com>
763 * tree-ssa-dom.c (record_conditions): Only record "unordered"
764 conditions from floating point comparisons.
766 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
768 PR middle-end/27733
769 * expmed.c (struct alg_hash_entry): Fix type of field T
770 to match synth_mult argument.
771 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
773 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
775 PR target/27863
776 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
777 block boundaries.
779 2006-06-08 Richard Guenther <rguenther@suse.de>
781 PR middle-end/27116
782 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
783 only, if overflow is defined and not trapping.
784 (negate_expr): Likewise.
786 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
788 PR tree-optimization/27872
789 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
790 flag on the new exit edge of the unrolled loop.
792 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
794 PR rtl-optimization/26449
795 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
797 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
799 PR middle-end/27793
800 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
801 referenced_variables with matching DECL_UID's.
802 (find_referenced_vars): Make sure duplicate list is empty to start.
803 (referenced_var_p): Remove.
804 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
805 Check if var is in the list, and add if needed. Update the duplicate
806 list if a different var is in the list with the same DECL_UID.
807 (add_referenced_var): Call routine to check and insert.
808 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
809 * tree-flow.h (referenced_vars_dup_list): External declaration.
811 2006-06-07 Fred Fish <fnf@specifix.com>
813 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
814 into single entry.
816 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
818 PR target/27390
819 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
820 the imaginary and real parts of a clobbered register.
821 Emit insn to set the imaginary part.
823 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
825 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
826 in lieu of unwind-dw2-fde.c.
828 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
830 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
832 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
834 PR target/27842
835 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
836 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
837 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
838 V4SImode temporaries and operations instead.
840 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
842 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
843 dp-bit.c.
845 2006-06-06 Mike Stump <mrs@apple.com>
847 * Makefile.in: Rename to htmldir to build_htmldir to avoid
848 installing during build.
850 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
852 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
853 value to 0.
854 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
855 * config/ia64/ia64.c (params.h): New header.
856 (ia64_optimization_options): New function to adjust parameters.
857 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
858 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
859 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
861 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
863 * stor-layout.c (debug_rli): Fix a typo in a debug message.
865 2006-06-05 Steve Ellcey <sje@cup.hp.com>
867 PR target/27051
868 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
870 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
871 Victor Kaplansky <victork@il.ibm.com>
873 PR tree-optimization/26360
874 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
875 stmts.
877 2006-06-04 Roger Sayle <roger@eyesopen.com>
878 Andrew Pinski <pinskia@physics.uc.edu>
880 PR middle-end/27382
881 * c-common.c (c_common_truthvalue_conversion): Explicitly check
882 for LABEL_DECL before calling DECL_WEAK.
884 PR c/27150
885 * c-typeck.c (build_binary_op): Likewise, explicitly check for
886 LABEL_DECL and PARM_DECL.
888 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
890 PR c/25161
891 PR c/27020
892 * c-decl.c (grokdeclarator): Disallow variably modified types at
893 file scope. Avoid marking shared array type of constant size as
894 VLA.
896 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
898 PR c++/27601
899 * c-common.c (fold_offsetof_1): Handle static members.
901 2006-06-04 Eric Christopher <echristo@apple.com>
903 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
904 (debug_rli): Output value for remaining_in_alignment.
905 (update_alignment_for_field): Unconditionalize
906 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
907 extra alignment code.
908 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
909 ms_bitfield_layout_p code. Rewrite handling of structure fields.
910 * tree.h (record_layout_info_s): Remove prev_packed.
911 * doc/extend.texi (ms_struct): Add documentation of format.
913 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
915 * tree.h: Declare folding_initializer.
916 * builtins.c (fold_builtin_constant_p): Give definite answer
917 if folding inside an initializer.
918 * fold-const.c: Define folding_initializer.
919 (START_FOLD_INIT): Save and then set folding_initializer.
920 (END_FOLD_INIT): Restore folding_initializer.
922 2006-06-04 Richard Guenther <rguenther@suse.de>
924 PR tree-optimization/27039
925 * fold-const.c (fold_comparison): Handle pointer comparison
926 again for all comparison codes. Compare offsets in signed
927 size type.
928 (fold_binary): Move code from here.
930 2006-06-03 Roger Sayle <roger@eyesopen.com>
932 PR target/26223
933 * config/i386/i386.c (construct_container): Split static issued_error
934 flag into issued_sse_arg_error, issued_sse_ret_error and
935 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
936 requires the use of x87 registers and the user explicitly
937 specified the -mno-80387 command line option.
939 2006-06-02 Geoffrey Keating <geoffk@apple.com>
941 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
942 HAVE_DECL_SIGALTSTACK.
943 (MC_FLD): New.
944 (segv_handler): Use MC_FLD.
945 * configure.ac: Check for a sigaltstack declaration.
946 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
947 * configure: Regenerate.
948 * config.in: Regenerate.
950 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
952 PR other/27850
953 * Makefile.in (stmp-fixinc): Fix typo.
955 2006-06-02 Roger Sayle <roger@eyesopen.com>
957 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
958 are type correct. Clean-up.
959 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
960 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
962 2006-06-01 DJ Delorie <dj@redhat.com>
964 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
965 shift, as we've disabled the "switch" insn that needs it.
967 2006-06-01 Per Bothner <bothner@bothner.com>
969 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
970 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
971 * c-ppoutput.c (cb_define): Don't increment line 0.
973 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
975 * doc/invoke.texi: Add cpu_type power6.
976 * config.gcc: Add cpu_type power6.
977 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
978 to power5+ with Altivec.
979 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
980 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
982 2006-05-30 Anatoly Sokolov <aesok@post.ru>
984 * config/avr/avr.h (SET_ASM_OP): Define.
986 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
988 * config/bfin/bfin.c: Fix comment typos.
990 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
992 PR 25453
993 * doc/install.texi: Document --enable-bootstrap and
994 --disable-bootstrap.
996 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
998 * doc/install.texi: Document that InfoZIP can replace jar.
1000 2006-05-31 Roger Sayle <roger@eyesopen.com>
1002 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1003 isn't available, directly generate the simpler x87 patterns without
1004 the (use (const_int 0)).
1005 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1006 implementation isn't available.
1007 (*negdf2_1): Likewise.
1008 (*negxf2_1): XF mode negation is always done using the x87.
1009 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1011 2006-05-31 Roger Sayle <roger@eyesopen.com>
1013 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1014 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1015 cabs(z).
1016 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1018 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1020 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1021 * config/bfin/bfin.c (basic-block.h): Include.
1022 (struct machine_function): New.
1023 (bfin_init_machine_status): New.
1024 (override_options): Initialize init_machine_status.
1025 (bfin_hardware_loop): New.
1026 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1027 (DEF_VEC_P (loop_info)): New.
1028 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1029 (struct loop_info): New.
1030 (loop_info): New typedef.
1031 (struct loop_work): New.
1032 (loop_work): New typedef.
1033 (DEF_VEC_O (loop_work)): New.
1034 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1035 (bfin_dump_loops): New.
1036 (bfin_bb_in_loop): New.
1037 (bfin_scan_loop): New.
1038 (bfin_optimize_loop): New.
1039 (bfin_reorg_loops): New.
1040 (bfin_reorg): Use bfin_reorg_loops.
1041 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1042 loop registers.
1043 (I_REGNO_P): Simplify.
1044 (DP_REGNO_P, DPREG_P): New macros.
1045 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1046 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1047 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1048 Add LT_REGS, LC_REGS, LB_REGS.
1049 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1050 'l' for LB_REGS.
1051 (REGNO_REG_CLASS): Deal with loop registers.
1052 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1053 letters.
1054 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1055 New constants for loop registers.
1056 (UNSPEC_LSETUP_END): New.
1057 (seq_insns): New define_attr. Set it for appropriate insns.
1058 (movsi_insn): Add alternatives for move from/to
1059 loop count registers.
1060 (doloop_end): New define_expand.
1061 (loop_end): New define_insn.
1062 (define_split for bad doloop_end): New.
1063 (lsetup_with_autoinit): New define_insn.
1064 (lsetup_without_autoinit): New define_insn.
1065 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1066 * config/bfin/predicates.md (lc_register_operand): New.
1067 (lt_register_operand): New.
1068 (lb_register_operand): New.
1069 (nondp_register_operand): New.
1070 (nondp_reg_or_memory_operand): New.
1071 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1073 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1075 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1076 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1078 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1080 * Makefile.in (CATALOGS): Add po/ prefix.
1081 * configure: Regenerated.
1083 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1085 PR target/27829
1086 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1087 a shift operand before calling shift_op. Avoid redundant call of
1088 shift_op.
1090 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1091 DJ Delorie <dj@redhat.com>
1093 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1094 we're inserting is a singlt-bit constant.
1096 2006-05-30 Roger Sayle <roger@eyesopen.com>
1098 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1099 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1101 2006-05-30 Roger Sayle <roger@eyesopen.com>
1103 PR tree-optimization/23452
1104 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1105 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1106 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1107 complex values and with -ffast-math for FP complex values.
1109 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1111 * c-common.h: Remove the prototype for yyparse.
1112 * rtl.h: Remove the prototype for init_loop.
1114 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1116 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1117 calling recog.
1119 2006-05-30 Roger Sayle <roger@eyesopen.com>
1121 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1122 and rotate cases.
1123 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1124 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1126 2006-05-30 Dirk Mueller <dmueller@suse.de>
1128 PR c/27273
1129 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1130 for CONSTANT_CLASS_P expresisons.
1132 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1134 PR c/27718
1135 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1137 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1139 PR tree-optimization/27779
1140 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1141 initial_condition instead of CHREC_LEFT.
1143 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1145 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1146 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1147 Make prototypes ISO C90.
1149 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1150 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1152 * see.c (see_analyze_one_def): Correct check.
1153 (see_get_extension_data): Check if extension is parallel.
1154 (see_get_extension_reg): Likewise.
1156 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1158 PR target/27790
1159 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1160 into register for (code == GTU).
1162 2006-05-29 Roger Sayle <roger@eyesopen.com>
1164 PR tree-optimization/24964
1165 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1166 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1167 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1168 abs(x)*abs(x) as x*x for scalar floating point modes.
1170 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1172 PR middle-end/27745
1173 * lambda-code.c (perfect_nestify): Don't copy statements
1174 in the inner loop: move them to the inner loop header.
1176 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1178 PR 26237
1179 * c-tree.texi: Document OpenMP directives and clauses.
1181 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1183 * varasm.c (globalize_decl): Fix indentation.
1185 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1187 PR 26242
1188 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1189 pass_fre, pass_store_ccp, pass_copy_prop,
1190 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1191 pass_return_slot, pass_object_size, pass_lim,
1192 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1193 pass_loop_prefetch and pass_stdarg.
1195 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1197 * config/bfin/bfin.opt (mfdpic): New option.
1198 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1199 (EXTRA_MULTILIB_PARTS): Likewise.
1200 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1201 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1202 multilib.
1203 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1204 (CRT_CALL_STATIC_FUNCTION): New.
1205 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1206 -shared.
1207 (CRT_CALL_STATIC_FUNCTION): New.
1208 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1209 FD-PIC moves.
1210 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1211 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1212 (initialize_trampoline): Changed to handle FD-PIC code generation.
1213 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1214 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1215 (override_options): Disallow -mid-shared-library -mfdpic combination.
1216 Can't do unaligned ops if FD-PIC.
1217 Turn off flag_pic if trying to generate non-id-shared-library
1218 non-fdpic code, since it's not supported.
1219 (bfin_assemble_integer): New function.
1220 (TARGET_ASM_INTEGER): Define.
1221 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1222 __BFIN_FDPIC__.
1223 * config/bfin/crtn.s: Restore them.
1224 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1225 if TARGET_FDPIC.
1226 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1227 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1228 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1229 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1230 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1231 call-used.
1232 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1233 FDPIC_REGS and FDPIC_FPTR_REGS.
1234 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1235 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1236 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1237 (load_funcdescsi): New pattern.
1238 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1239 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1240 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1242 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1244 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1245 loop.c.
1247 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1249 * tree-flow.h: Remove the prototype for add_type_alias.
1250 * tree-ssa-alias.c (add_type_alias): Remove.
1252 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1254 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1255 config/fr30/fr30.md, config/i386/i386-interix.h,
1256 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1257 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1258 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1259 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1260 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1261 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1262 Follow spelling conventions.
1263 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1264 Follow spelling conventions.
1266 2006-05-27 Richard Guenther <rguenther@suse.de>
1268 PR middle-end/27773
1269 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1270 to produce a constant of value 1 of generic type.
1272 2006-05-27 Dirk Mueller <dmueller@suse.de>
1274 * cgraphunit.c (decide_is_function_needed): Fix wrong
1275 PR reference.
1277 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1279 PR rtl-optimization/27661
1280 * reload.c (find_reloads): When reloading a VOIDmode constant
1281 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1282 use Pmode as mode of the reload register.
1284 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1286 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1287 is enabled at -O and above.
1289 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1291 PR target/27571
1292 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1293 table data.
1295 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1297 PR c++/20103
1298 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1299 for anonymous variables explicitly declared by front ends.
1301 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1303 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1304 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1305 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1306 ref-all pointers, run a finalization pass for them.
1307 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1308 (finalize_ref_all_pointers): New function.
1309 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1310 regular pointer type to a ref-all pointer type.
1311 (get_tmt_for): Return the special memory tag for ref-all pointers.
1313 2006-05-25 Richard Guenther <rguenther@suse.de>
1315 PR middle-end/27743
1316 * fold-const.c (fold_binary): Do not look at the stripped
1317 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1319 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1321 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1322 for LT and GT if the computed range is effectively empty.
1324 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1326 PR target/27627
1327 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1328 mips_quad_format formats instead of ieee_single_format,
1329 ieee_double_format and ieee_quad_format formats, respectively.
1331 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1333 PR tree-optimization/27639
1334 PR tree-optimization/26719
1335 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1336 call to scev_probably_wraps_p.
1337 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1338 used_in_pointer_arithmetic_p, convert_step): Removed.
1339 (nowrap_type_p): New function.
1340 (scev_probably_wraps_p): Rewritten.
1341 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1342 chrec_convert if chrec_convert_aggressive might have been used.
1343 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1344 scev_direction): New functions.
1345 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1346 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1347 instead of convert_step.
1348 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1349 (convert_step): Declaration removed.
1350 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1352 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1354 * df-core.c: Added to header comments.
1355 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1356 df_ur_bb_info, df_urec_bb_info): Added comments.
1357 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1358 urec, ri problems): Fixed header comments.
1359 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1360 code from df_rd_transfer_function.
1362 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1364 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1365 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1366 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1368 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1370 * expr.c (undefined_operand_subword_p): New.
1371 (emit_move_multi_word): Do not generate move from undefined bits
1372 of a paradoxical subreg.
1374 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1376 PR rtl-optimization/27736
1377 * combine.c (replaced_rhs_value): New variable.
1378 (combine_instructions): Set it.
1379 (distribute_notes): When distributing a note in replaced_rhs_insn,
1380 check whether the value was used in replaced_rhs_value.
1382 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1384 PR c++/26757
1385 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1386 add_referenced_var instead of add_referenced_tmp_var.
1387 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1388 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1389 add_referenced_var.
1390 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1391 tree_optimize_tail_calls_1): Use add_referenced_var.
1392 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1393 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1394 Use add_referenced_var.
1395 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1396 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1397 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1398 Use add_referenced_var.
1399 * tree-dfa.c (struct walk_state): Remove.
1400 (find_referenced_vars): Remove walk state and vars_found hash table.
1401 (make_rename_temp): Use add_referenced_var.
1402 (find_vars_r): Pass less parameters to add_referenced_var.
1403 (referenced_var_p): New. Is var in referenced_var hash table.
1404 (referenced_var_insert): Assert var isn't already in hash table.
1405 (add_referenced_var): Don't need walk_state parameter. Add var if it
1406 isn't already in the hash table.
1407 (add_referenced_tmp_var): Remove.
1408 (find_new_referenced_vars_1): Use add_referenced_var.
1409 * tree-ssa-pre.c (create_expression_by_pieces,
1410 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1411 Use add_referenced_var.
1412 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1413 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1414 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1415 add_referenced_var.
1416 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1417 vect_create_data_ref_ptr, vect_create_destination_var,
1418 vect_init_vector, vect_build_loop_niters,
1419 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1420 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1421 Use add_referenced_var.
1422 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1423 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1424 (add_referenced_var): Add prototype.
1425 * tree-ssa-structalias.c (get_constraint_for,
1426 intra_create_variable_infos): Use add_referenced_var.
1428 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1430 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1431 big-endian paradoxical subregs.
1432 * var-tracking.c (struct micro_operation_def): Document that,
1433 for modify micro operations, insn is the subsequent instruction.
1434 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1435 (var_reg_set, var_mem_set): ... new functions.
1436 (add_stores): Record subsequent insn.
1437 (compute_bb_dataflow): Use new functions for MO_USE.
1438 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1439 notes after the insn, and modify notes before the insn known
1440 to be the subsequent one.
1441 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1443 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1445 PR target/27696
1446 * config/i386/i386.c (ix86_expand_builtin): Use
1447 gen_sse3_monitor64 for TARGET_64BIT.
1449 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1451 PR rtl-optimization/26375
1452 PR rtl-optimization/26855
1453 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1454 to gen set.
1455 (df_ru_bb_local_compute): Reversed statements and removed bogus
1456 comment explaining why they should be in wrong order.
1457 (df_ru_dump, df_rd_dump): Enhanced debug info.
1458 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1459 debug info.
1460 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1461 reaching uses and fixed space problem.
1463 2006-05-23 Jan Hubicka <jh@suse.cz>
1465 * cgraphunit.c (decide_is_function_needed): Also nested functions
1466 and functions declared inline can be optimized out at -O0.
1468 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1470 * doc/install.texi (Configuration): Remove reference to CrossGCC
1471 FAQ which was gone.
1472 (Building): Ditto.
1474 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1476 PR target/27266
1477 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1478 ix86_compare_emitted is non-NULL.
1480 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1482 PR c++/27451
1483 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1484 clobbers.
1486 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1488 PR rtl-optimization/25514
1489 * combine.c (replaced_rhs_insn): New variable.
1490 (combine_instructions): Set replaced_rhs_insn when trying to replace
1491 a SET_SRC with a REG_EQUAL note.
1492 (distribute_notes): Use replaced_rhs_insn when determining the live
1493 range of a REG_DEAD register.
1495 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1496 Anatoly Sokolov <aesok@post.ru>
1498 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1499 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1500 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1501 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1502 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1503 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1504 at90usb647, at90usb1286 and at90usb1287 devices.
1505 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1506 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1508 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1510 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1512 2006-05-22 Richard Guenther <rguenther@suse.de>
1514 Revert
1515 2006-01-31 Richard Guenther <rguenther@suse.de>
1516 Paolo Bonzini <bonzini@gnu.org>
1518 * doc/install.texi (--disable-libgcc-math): Document.
1520 2006-05-22 Richard Guenther <rguenther@suse.de>
1522 Revert
1523 2006-01-31 Richard Guenther <rguenther@suse.de>
1525 * doc/invoke.texi (-msselibm): Document.
1526 * target.h (expand_library_builtin): New target hook.
1527 * builtins.c (expand_builtin): Use expand_library_builtin.
1528 (default_expand_library_builtin): New function.
1529 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1530 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1531 (link_gcc_math_spec): Declare.
1532 (static_specs): Add link_gcc_math_spec.
1533 * expr.h (default_expand_library_builtin): Declare.
1534 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1535 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1536 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1537 * config/i386/i386.opt (msselibm): New target option.
1538 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1539 (ix86_init_sse_abi_builtins): New function.
1540 (ix86_expand_library_builtin): Likewise.
1541 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1542 (override_options): Handle error conditions wrt -msselibm.
1543 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1544 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1545 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1546 builtins.
1548 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1550 PR c/27420
1551 * c-common.c (self_promoting_args_p): Skip erroneous args.
1553 PR c/26818
1554 * c-decl.c (finish_struct): Skip erroneous fields.
1556 2006-05-22 Nick Clifton <nickc@redhat.com>
1558 * config/cris/cris.opt (march): Remove VarExists attribute.
1559 (max-stackframe=): Likewise.
1561 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1563 * doc/rtl.texi: Fix a typo.
1564 * see.c: Fix comment typos.
1566 * tree-ssa-structalias.h (alias_info): Remove num_references.
1568 2006-05-21 Mike Stump <mrs@apple.com>
1570 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1571 (BAD2): Add.
1572 (darwin_pragma_options): Use BAD instead.
1573 (darwin_pragma_unused): Likewise.
1574 (darwin_pragma_ms_struct): Likewise.
1576 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1578 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1580 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1582 PR rtl-optimization/27671
1583 * simplify-rtx.c (simplify_relational_operation_1): Fix
1584 simplifications of (eq/ne (xor x y) y) and
1585 (eq/ne (xor x y) x).
1587 PR tree-optimization/26622.
1588 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1589 on arg1.
1591 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1593 * tree-cfg.c: Prune whitespace.
1594 (debug_tree_cfg): Point to correct header containing the
1595 TDF_* defines.
1597 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1599 PR middle-end/25776
1600 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1602 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1604 PR middle-end/25776
1605 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1606 or sorry count is non zero.
1608 2006-05-20 Andreas Schwab <schwab@suse.de>
1610 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1612 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1613 Kenneth Zadeck <zadeck@naturalbridge.com>
1615 PR rtl-optimization/26855
1617 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1618 multiword refs.
1619 (df_scan_alloc): Added code to properly handle multiword hard
1620 registers and add all_blocks parameter.
1621 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1622 code to properly handle multiword hard registers.
1623 (df_rescan_blocks): Added code to remove deleted blocks from
1624 bitmap.
1625 (df_ref_create_structure, df_ref_record): Added code to properly
1626 handle subregs.
1627 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1628 and set DF_REF_PARTIAL.
1629 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1630 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1631 (df_scan_add_problem): Added flags parameter.
1632 (df_ref_create_structure): Changed switching structure.
1633 (df_bb_refs_record): Fixed case where duplicate artificial refs
1634 were created. Changed location of flags.
1635 (df_record_entry_block_defs): Added code to make stack pointer
1636 live in entry block. Refined cases where frame pointer is needed.
1637 Changed location of flags.
1638 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1639 (df_set_state): Removed function.
1640 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1641 df_insn_create_insn_record, df_insn_refs_delete,
1642 df_ref_create_structure): Formatting changes.
1643 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1644 df_delete_basic_block): New function.
1645 (df_init): Changed location of flags.
1646 (df_add_problem): Added flags parameter and the way flags are
1647 processed.
1648 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1649 debug_df_chain): Improved debugging output.
1650 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1651 (df_refs_chain_dump): Removed df parameter.
1652 (df_iterative_dataflow): Added consistency check.
1653 (df_prune_to_subcfg): Made public.
1654 (df_analyze_problem): Added blocks_to_init parameter and made
1655 public.
1656 (df_ref_record, df_bb_refs_record, df_mark_reg,
1657 df_record_exit_block_uses): Whitespace changes.
1658 (df_dump): Whitespace changes.
1659 * df.h: Some reordering to remove forward references.
1660 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1661 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1662 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1663 (dataflow.flags): New field.
1664 (df.flag): Deleted field.
1665 (df_alloc_function): Added additional bitmap parameter.
1666 (df_dependent_problem_function): New type.
1667 (df_problem.changeable_flags): New field.
1668 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1669 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1670 (df_mw_hardreg): New struct.
1671 (DF_INSN_UID_MWS): New macro.
1672 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1673 parameter.
1674 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1675 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1676 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1677 (df_set_state): Removed function.
1678 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1679 * df-problems.c (df_chain_dump): Removed df parameter.
1680 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1681 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1682 parameter.
1683 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1684 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1685 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1686 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1687 DF_REF_MUST_CLOBBER cases.
1688 (df_ru_bb_local_compute_process_def,
1689 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1690 df_lr_bb_local_compute, df_ur_bb_local_compute,
1691 df_chain_create_bb): Made subreg aware.
1692 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1693 df_lr_bb_local_compute, df_lr_bb_local_compute,
1694 df_chain_create_bb): Cleanup to use proper macros.
1695 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1696 code to fixup bitvectors.
1697 (df_ri_alloc): Cleared lifetime.
1698 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1699 df_create_unused_note): New function.
1700 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1701 REG_DEAD and REG_UNUSED notes as well as register information.
1702 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1703 df_chains_dump): Fixed crash if problem was never run.
1704 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1705 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1706 df_ri_add_problem): Processes flags in uniform manner.
1707 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1708 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1709 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1710 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1711 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1712 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1713 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1714 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1715 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1716 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1717 * see.c (see_initialize_data): Ditto.
1718 * final.c (rest_of_clean_state) Added regstack_completed.
1719 * rtl.h (regstack_completed): Ditto.
1720 * reg-stack.c (regstack_completed): Ditto.
1722 2006-05-19 Mike Stump <mrs@apple.com>
1724 * c-tree.h (default_conversion): Remove.
1725 * c-common.h (default_conversion): Add.
1727 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1729 * tree-vrp.c (valid_value_p): New function.
1730 (adjust_range_with_scev): Fail if the value of bound is not
1731 simple.
1733 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1735 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1736 (mips_fallback_frame_state): Use syscall numbers to determine
1737 the appropriate li instruction for the current ABI. Only use
1738 __NR_sigreturn for o32.
1740 2006-05-19 Nicolas Setton <setton@adacore.com>
1742 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1743 * langhooks.c (lhd_dwarf_name): New function.
1744 * langhooks-def.h (lhd_dwarf_name): Declare.
1745 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1746 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1747 * ada/misc.c (gnat_dwarf_name): New function.
1748 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1750 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1752 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1753 libgcc2.h.
1754 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1755 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1756 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1757 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1758 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1759 determine the size of Wtype, etc.
1760 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1761 (swfloatfuncs): New variable.
1762 (dwfloatfuncs): Likewise.
1763 (lib2funcs): Remove floating-point conversion functions from
1764 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1765 the set of conversion routines needed. Allow entries to specify
1766 an object name, filename and word size. Update users accordingly.
1767 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1768 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1770 Revert:
1772 2006-02-08 Roger Sayle <roger@eyesopen.com>
1774 PR target/22209
1775 * config/fixtfdi.c: New libgcc source file.
1776 * config/fixunstfdi.c: New source file.
1777 * config/floatditf.c: New source file.
1778 * config/floatunditf.c: New souce file.
1779 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1780 files above instead of config/mips/_tilib.c.
1781 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1783 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1785 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1786 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1788 2006-05-18 Mike Stump <mrs@apple.com>
1790 Fix up vla, vm and [*] sematics.
1792 PR c/18740
1793 PR c/7948
1794 PR c/25802
1795 PR c/27673
1796 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1797 (c_vla_unspec_p): Add.
1798 (c_vla_type_p): Add.
1799 * c-decl.c (struct c_scope): Add had_vla_unspec.
1800 (build_array_declarator): Add support for [*].
1801 (grokdeclarator): Likewise.
1802 (grokparms): Likewise.
1803 (get_parm_info): Likewise.
1804 * c-objc-common.c (c_vla_unspec_p): Likewise.
1805 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1806 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1807 typeof when argument is a variably modified type not inside sizeof or alignof.
1808 (c_parser_direct_declarator_inner): Propagate errors.
1809 (c_parser_sizeof_expression): Add support for [*].
1810 (c_parser_parms_declarator): Initialize had_vla_unspec.
1811 (c_parser_parms_list_declarator): Likewise.
1812 * c-typeck.c (c_vla_type_p): Add.
1813 (composite_type): Add support for vla compositing.
1814 (comptypes_internal): Add support for vla compatibility.
1815 (c_expr_sizeof_expr): Evaluate vla arguments.
1816 * tree.c (variably_modified_type_p): Update comment for [*].
1818 2006-05-18 Michael Matz <matz@suse.de>
1820 PR target/27599
1821 * config.host: Make assignments to host_xmake_file cumulative.
1822 * config.host (*-darwin*): Test $host, not $target.
1824 2006-05-12 Stuart Hastings <stuart@apple.com>
1826 * config/i386/i386.opt (-mstackrealign): New flag.
1827 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1828 (ix86_handle_cconv_attribute): Emit error when
1829 force_align_arg_pointer attribute collides with too many regparms.
1830 (ix86_function_regparm): Limit regparms when used with
1831 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1832 Support stack-realigning prologue in non-main functions. Emit
1833 warning for nested functions under -mstackrealign, emit error for
1834 nested functions with force_align_arg_pointer attribute.
1835 * doc/extend.texi (force_align_arg_pointer): Document it.
1836 * doc/invoke.texi (-mstackrealign): Document it.
1838 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1840 PR rtl-optimization/27477
1841 * combine.c (try_combine): Don't split a parallel consisting
1842 of two sets into two individual sets if both sets reference
1843 cc0.
1845 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1847 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1848 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1850 * doc/options.texi (VarExists): Updated.
1852 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1854 * unwind-dw2.c: Add declarations for uw_update_context and
1855 uw_frame_state_for.
1856 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1857 detected, advance frame state and context once to skip over stub.
1859 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1861 PR middle-end/20256
1862 PR middle-end/26435
1863 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1864 Call rewrite_into_loop_closed_ssa only when something changed.
1865 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1866 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1867 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1868 Test for perfect_nest_p here. Fix formating.
1869 (replace_uses_equiv_to_x_with_y): Fix formating.
1870 (stmt_uses_op): Removed.
1871 (can_convert_to_perfect_nest): Removed loopivs parameter.
1872 Complete the test by checking the scalar dependences.
1873 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1874 Fix formating.
1876 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1878 PR bootstrap/22541
1879 From Dan Kegel <dank@kegel.com>:
1880 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1882 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1884 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1885 if the element type is variably modified without recursing.
1887 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1889 PR middle-end/27332
1890 * tree-loop-linear.c (try_interchange_loops): Test for
1891 no data dependences.
1893 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1895 PR tree-optimization/27548
1896 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1897 range of ssa names that appear on abnormal edges.
1898 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1899 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1901 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1903 PR middle-end/27620
1904 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1906 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1908 PR middle-end/27415
1909 * tree.h (OMP_PARALLEL_COMBINED): Define.
1910 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1911 (new_omp_context): Add is_combined_parallel argument.
1912 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1913 new_omp_context caller.
1914 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1915 Adjust gimplify_scan_omp_clauses callers.
1916 (omp_is_private): Issue errors if iteration variable is firstprivate
1917 or reduction in the current context.
1918 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1919 on combined parallel workshare constructs.
1921 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1923 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1924 (gcc-options.o): New rule.
1926 * optc-gen.awk: Protect variables for gcc-options.o with
1927 #ifdef GCC_DRIVER/#endif.
1929 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1931 Fix PR tree-optimization/27373
1932 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1933 (forward_propagate_addr_expr): Update call.
1935 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1937 * doc/options.texi: Move the Negative option.
1939 2006-05-16 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/22303
1942 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1943 from STRING_CSTs.
1944 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1945 ccp_fold did not simplify the statement.
1947 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1949 PR driver/26885
1950 * Makefile.in (GCC_OBJS): New.
1951 (OBJS-common): Add opts-common.o.
1952 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1953 (cpp$(exeext)): Likewise.
1954 (gcc.o): Also depend on opts.h.
1955 (opts-common.o): New.
1957 * common.opt (gcoff): Add Negative(gdwarf-2).
1958 (gdwarf-2): Add Negative(gstabs).
1959 (gstabs): Add Negative(gstabs+).
1960 (gstabs+): Add Negative(gvms).
1961 (gvms): Add Negative(gxcoff).
1962 (gxcoff): Add Negative(gxcoff+).
1963 (gxcoff+): Add Negative(gcoff).
1964 * config/i386/i386.opt (m32): Add Negative(m64).
1965 (m64): Add Negative(m32).
1967 * doc/options.texi: Document the Negative option.
1969 * gcc.c: Include "opts.h".
1970 (main): Call prune_options after expandargv.
1972 * optc-gen.awk: Generate common declarations for all flag
1973 variables in options.c. Output the neg_index field.
1975 * opts.c (find_opt): Moved to ...
1976 * opts-common.c: Here. New file.
1978 * opts.h (cl_option): Add a neg_index field.
1979 (find_opt): New.
1980 (prune_options): Likewise.
1982 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1984 PR middle-end/27573
1985 * omp-low.c (expand_omp_parallel): Don't assert
1986 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1987 instead search for it.
1989 PR c/27499
1990 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1991 is signed.
1993 2006-05-16 Andreas Schwab <schwab@suse.de>
1995 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1996 defmac.
1998 2006-05-15 Roger Sayle <roger@eyesopen.com>
2000 PR target/26600
2001 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2002 integer constants other than zero are only legitimate on TARGET_64BIT.
2003 <CONST_VECTOR> Only zero vectors are legitimate.
2004 (ix86_cannot_force_const_mem): Integral and vector constants can
2005 always be put in the constant pool.
2007 2006-05-16 DJ Delorie <dj@redhat.com>
2009 * crtstuff.c (__dso_handle): Set section from
2010 TARGET_LBIGCC_SDATA_SECTION if defined.
2011 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2012 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2014 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2016 PR target/27599
2017 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2018 host_xmake_file.
2020 2006-05-16 Ben Elliston <bje@au.ibm.com>
2022 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2024 2006-05-15 Per Bothner <per@bothner.com>
2026 * tree.c: (last_annotated_node): Use source_locus typedef.
2027 This permits bootstrapping with --enable-mapped-location.
2029 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2031 PR tree-optimization/26830
2032 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2033 (info_for_ssa_name, current_info_for_ssa_name_age,
2034 blocks_to_update): New variables.
2035 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2036 (clear_ssa_name_info, initialize_flags_in_bb,
2037 mark_block_for_update): New functions.
2038 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2039 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2040 prepare_def_site_for): Use mark_block_for_update.
2041 (mark_def_interesting): Assert that the processed block is marked in
2042 blocks_to_update. Do not take blocks argument.
2043 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2044 argument.
2045 (rewrite_update_init_block, rewrite_update_stmt): Only process
2046 blocks with statements to rewrite.
2047 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2048 (update_ssa): Initialize and free blocks_to_update. Do not
2049 clear flags on statements. Do not use blocks bitmap.
2050 * tree.h (SSA_NAME_AUX): Removed.
2051 (struct tree_ssa_name): Removed aux field.
2052 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2054 2006-05-15 Richard Guenther <rguenther@suse.de>
2056 PR tree-optimization/27603
2057 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2058 Do computations in original type.
2060 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2062 * see.c: Code style changes such as redundant paranthesis,
2063 redundant intialization of local variables etc.
2064 (see_main): Declared now as static.
2065 * doc/invoke.texi: Update that -fsee is not enabled by
2066 default at -O3.
2068 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2070 * omp-low.c (check_omp_nesting_restrictions): New function.
2071 (scan_omp_1): Call it.
2073 PR middle-end/27416
2074 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2075 construct, return *VAR.
2077 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2079 PR rtl-optimization/27406
2080 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2081 edges.
2083 2006-05-14 Roger Sayle <roger@eyesopen.com>
2085 PR rtl-optimization/27538
2086 * combine.c (expand_compound_operation): Call gen_lowpart
2087 before calling simplify_shift_const.
2089 2006-05-14 Roger Sayle <roger@eyesopen.com>
2091 PR rtl-optimization/22563
2092 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2093 a fixed width bitfield, always force the intermediates into psuedos.
2095 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2097 PR 27501
2098 * mkconfig.sh: Use operator = instead of == for test.
2100 2006-05-13 Nick Clifton <nickc@redhat.com>
2102 * dwarf2out.c (dbx_reg_number): Check return value from
2103 LEAF_REG_REMAP and only use it if it is valid.
2104 (multiple_reg_loc_descriptor): Likewise.
2106 2006-05-13 Richard Guenther <rguenther@suse.de>
2108 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2109 host_xmake_file.
2111 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2113 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2114 information attached to non-INSNs such as NOTEs.
2115 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2117 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2119 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2120 On contraint.
2121 * config/s390/s390.md: Adjust comment describing On constraint.
2123 2006-05-11 Jan Hubicka <jh@suse.cz>
2125 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2126 to be output at -O0.
2128 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2130 PR middle-end/27384
2131 * fold-const.c (size_binop): Move sanity check for arguments to
2132 the beginning of the function.
2134 PR middle-end/27488
2135 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2136 expression.
2138 2006-05-11 Richard Guenther <rguenther@suse.de>
2140 PR middle-end/27529
2141 * fold-const.c (fold_unary): Handle intermediate conversion
2142 to a pointer type like intermediate conversion to an integer
2143 type in folding of (T1)(T2)var to var.
2144 Match the code to the comment in the final conversion for
2145 (T1)(T2)var to (T1)var regarding to type precision. Rather
2146 than disallow T1 being of pointer type, assert that both T1
2147 and var are of pointer type or not. Make sure not to fall
2148 over the frontends lazyness wrt array to pointer decay though.
2150 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2152 * arm.c (arm_struct_value_rtx): Delete.
2153 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2154 (arm_init_cumulative_args): Always initialize nregs to zero.
2156 2006-05-10 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/27532
2159 * tree-object-size.c (plus_expr_object_size): Fix typo.
2161 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2163 PR target/24949
2164 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2165 ashrdi_const, ashrdi3): Use a scratch register.
2167 2006-05-10 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/27302
2170 * fold-const.c (operand_equal_p): For two comparisons,
2171 try comparison of one comparison code swapped if that yields
2172 the same code.
2174 2006-05-10 Ben Elliston <bje@au.ibm.com>
2176 * tree-pretty-print.c (pretty_print_string): No need to handle
2177 '\0' as a special character.
2179 * tree.h: Include "hashtab.h".
2180 (iterative_hash_expr): Use hashval_t in its prototype.
2181 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2183 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2185 PR bootstrap/26872
2186 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2187 (hppa*64*-*-hpux11*): Ditto.
2188 (hppa[12]*-*-hpux11*): Ditto.
2190 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2192 PR target/26545
2193 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2195 2006-05-09 Michael Matz <matz@suse.de>
2197 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2198 host_extra_gcc_objs and host_xmake_file.
2199 (<*-*-linux*>): Don't overwrite host_xmake_file.
2200 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2201 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2202 (host_detect_local_cpu): Declare.
2203 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2204 * config/i386/i386.c (override_options): Handle -mtune=native
2205 as -mtune=generic.
2206 * config/i386/x-i386: New file.
2207 * config/i386/driver-i386.c: New file.
2208 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2209 cpu-type "native".
2211 2006-05-09 Dirk Mueller <dmueller@suse.de>
2212 Richard Guenther <rguenther@suse.de>
2214 PR middle-end/27498
2215 * fold-const.c (fold_read_from_constant_string): Relax check
2216 for matching types to matching modes.
2218 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2220 PR rtl-optimization/27335
2221 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2222 loops.
2224 2006-05-08 Chao-ying Fu <fu@mips.com>
2225 Richard Sandiford <richard@codesourcery.com>
2227 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2228 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2229 * config/mips/mips.md (UNSPEC_SCC): New constant.
2230 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2231 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2232 (mips_emit_compare): Use it.
2233 (mips_expand_vcondv2sf): New function.
2235 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2237 Fix PR tree-optimization/27093
2238 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2239 renaming when they become not-used_alone.
2241 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2243 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2244 relocation and relocation stubs.
2246 2006-05-08 Eric Christopher <echristo@apple.com>
2248 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2249 section for ppc.
2251 2006-05-08 Jan Hubicka <jh@suse.cz>
2253 PR middle-end/24561
2254 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2255 unused static functions are needed.
2257 2006-05-08 Roger Sayle <roger@eyesopen.com>
2259 PR target/27158
2260 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2261 of a reg_equiv_constant if the result is a legitimate constant.
2263 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2265 PR target/27277
2266 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2267 standard 80387 constants, raise the cost to prevent
2268 compress_float_constant() to generate load from memory.
2270 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2272 * config/arm/constraints.md (c): Fix a typo.
2274 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2275 typos.
2277 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2279 PR target/24879
2280 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2281 inline function.
2282 (_mm_mwait): Likewise.
2284 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2285 "mwait".
2286 (sse3_monitor): Make it 32bit only.
2287 (sse3_monitor64): New. 64bit monitor.
2289 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2291 PR target/27421
2292 * config/i386/i386.c (classify_argument): Skip fields with invalid
2293 types.
2295 2006-05-07 Richard Guenther <rguenther@suse.de>
2297 PR tree-optimization/27409
2298 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2299 Do not try to find zero-sized subvars.
2301 2006-05-07 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/27136
2304 * tree-ssa-loop-niter.c (get_val_for): Correct function
2305 comment, assert requirements.
2306 (loop_niter_by_eval): Stop processing if the iterated
2307 value did not simplify.
2309 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2311 * opts.c (flag_see): remove its setting at -O3.
2313 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2315 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2316 * arm/constraints.md: New file.
2317 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2318 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2319 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2320 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2321 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2322 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2323 * arm.md: Include constraints.md.
2324 (thumb_movsi_insn): Use satisfies_constraint_J.
2325 (movhi, movqi): Use satisfies_constraint_I.
2327 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2329 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2330 for atmeg a645 device.
2332 2006-05-06 Richard Guenther <rguenther@suse.de>
2334 PR tree-optimization/27151
2335 * tree-vect-transform.c (vectorizable_condition): Punt on
2336 values that have a different type than the condition.
2338 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2340 PR/21391
2341 * c-parser.c (c_parser_cast_expression): Only insert casts into
2342 hash table if pointer.
2343 * function.c (used_types_insert_helper): Rename from
2344 used_types_insert.
2345 (used_types_insert): Call used_types_insert_helper.
2346 * function.h (used_types_insert): Accept only one argument.
2348 2006-05-05 David Edelsohn <edesohn@gnu.org>
2350 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2351 scratch with output modifier.
2353 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2355 PR target/26481
2356 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2357 with output modifier.
2359 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2361 PR target/26765
2362 * config/mips/mips.c (mips_symbolic_address_p): Return true
2363 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2364 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2366 2006-05-04 Richard Guenther <rguenther@suse.de>
2368 PR tree-optimization/14287
2369 PR tree-optimization/14844
2370 PR tree-optimization/19792
2371 PR tree-optimization/21608
2372 PR tree-optimization/27090
2373 * tree-ssa-pre.c (try_combine_conversion): New function.
2374 (compute_avail): After constructing the value-handle
2375 expression, use try_combine_conversion to combine NOP_EXPRs
2376 with previous value-handle expressions and use the result if it
2377 is available.
2379 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2381 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2383 2006-05-04 Jan Hubicka <jh@suse.cz>
2385 PR middle-end/25962
2386 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2388 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2390 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2391 that this only matches CONST_INTs. All users changed to VOIDmode
2392 operands.
2394 * config/bfin/bfin.c: Include "optabs.h".
2395 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2396 to do more work.
2397 (enum bfin_builtins): Add a number of fractional and vector builtins.
2398 (bfin_init_builtins): Likewise.
2399 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2400 (safe_vector_operand, bfin_expand_binop_builtin,
2401 bfin_expand_unop_builtin): New functions.
2402 (bfin_expand_builtin): Handle the new builtins.
2403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2404 __ADSPBLACKFIN__.
2406 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2408 * see.c: New file.
2409 * Makefile.in (OBJS-common): Add see.o.
2410 (see.o): Add dependencies.
2411 * common.opt (fsee): New flag for the see optimization was added.
2412 * opts.c (flag_see): Initialized.
2413 * passes.c (init_optimization_passes, pass_see): New pass.
2414 * rtl.h (see_main): Declaration as extern.
2415 * timevar.def (TV_SEE): New.
2416 * tree-pass.h (pass_see): Declaration as extern.
2417 * invoke.texi (-fsee): Document.
2418 * recog.c (validate_simplify_insn): New function.
2419 * recog.h (validate_simplify_insn): Declaration as extern.
2420 * df-problems.c (df_chain_dump): Check for NULL.
2422 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2423 Daniel Berlin <dberlin@dberlin.org>
2425 * cfgrtl.c (insert_insn_bb_end_new): New function.
2426 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2428 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2430 * df.h (struct web_entry): Moved from web.c.
2431 (union_defs): Declaration as extern.
2432 (unionfind_root): Likewise.
2433 (unionfind_union): Likewise.
2434 * web.c (struct web_entry): Moved to df.h.
2435 (unionfind_root): Remove static declaration.
2436 (unionfind_union): Likewise.
2437 (union_defs): Likewise and generalize to use callback function.
2438 (web_main): Update arguments for union_defs function call.
2440 2006-05-04 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/26447
2443 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2444 produce SSA_NAME copies before the store stmt to avoid
2445 breaking exception handling.
2447 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2449 PR middle-end/27388
2450 * gimplify.c (omp_is_private): If var is shared in some outer context,
2451 return false instead of true. Stop searching on parallel context
2452 boundary.
2454 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2456 PR java/8260
2457 * coverage.c: Use get_gcov_unsigned_t() instead of
2458 unsigned_type_node all over.
2460 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2462 PR tree-optimization/27381
2463 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2464 maintain the same immediate_use links.
2465 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2466 node rather than segfaulting.
2468 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2470 PR fortran/27395
2471 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2472 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2473 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2475 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2477 Fix PR tree-optimization/26626
2478 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2479 always.
2480 * tree-ssa-operands.c (access_can_touch_variable): Allow
2481 typecasting through union pointers.
2483 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2485 PR c++/26943
2486 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2487 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2488 to find if var will be a global variable even in the nested context.
2489 (omp_copy_decl): Only check for global variable at the end, it might
2490 be overridden in outer contexts.
2491 (scan_sharing_clauses): For global variables don't create a field.
2492 (lower_rec_input_clauses): Do nothing for global shared variables.
2493 Emit a barrier at the end of ILIST if there were any decls in both
2494 firstprivate and lastprivate clauses.
2495 (lower_send_clauses): Do nothing for global variables except for
2496 COPYIN.
2498 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2500 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2501 of the correct signedness is returned.
2503 2006-05-02 Jeff Law <law@redhat.com>
2505 PR tree-optimization/27364
2506 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2507 multiply expressions.
2509 2006-05-02 Tom Tromey <tromey@redhat.com>
2511 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2513 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2515 PR target/27387
2516 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2517 -mthumb -fPIC are used.
2519 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2520 Joshua Kinard <kumba@gentoo.org>
2522 PR target/25871
2523 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2524 with 64-bit pointers.
2526 2006-05-02 Paul Brook <paul@codesourcery.com>
2528 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2529 and pool overlap.
2530 (create_fix_barrier): Check that a suitable barrier location is
2531 found.
2532 (arm_reorg): Include ftmp->address in allowable range of addresses.
2534 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2536 PR ada/27366
2537 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2538 on Cygwin.
2540 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2542 PR middle-end/27337
2543 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2544 around RESULT_DECL for result passed by reference.
2545 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2546 * omp-low.c (use_pointer_for_field): Don't look at
2547 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2548 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2549 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2550 time or var for passing by reference for
2551 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2552 TREE_ADDRESSABLE variables when passing by reference.
2554 * omp-low.c (dump_omp_region): Fix output formatting.
2556 PR middle-end/27328
2557 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2558 (expand_omp_parallel): Likewise.
2559 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2561 PR middle-end/27325
2562 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2563 on statement list containing also constructors and destructors.
2564 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2566 PR middle-end/27310
2567 * except.c (duplicate_eh_regions): Fix clearing of
2568 cfun->eh->region_array entries.
2570 2006-05-01 DJ Delorie <dj@redhat.com>
2572 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2573 build!=host.
2574 (gcc_cv_objdump): Likewise.
2575 * configure: Regenerated.
2577 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2579 PR target/27374
2580 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2581 templates for case 3 and 4.
2583 2006-05-01 DJ Delorie <dj@redhat.com>
2585 * vec.c: Include bconfig.h when appropriate.
2586 * Makefile.in (build/vec.o): Adjust dependencies.
2587 * mkconfig.sh: Make sure config.h isn't used for build machine
2588 compiles.
2590 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2592 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2593 variables.
2594 (mark_phi_for_rewrite): New function.
2595 (insert_phi_nodes_for, mark_use_interesting): Call
2596 mark_phi_for_rewrite.
2597 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2598 (update_ssa): Initialize and free phis_to_rewrite.
2600 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR rtl-optimization/27291
2603 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2604 folded to a constant.
2606 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2608 PR tree-optimization/27283
2609 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2610 not whole # of iteration descriptions.
2611 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2612 uses abnormal ssa name.
2613 (niter_for_single_dom_exit): Ditto.
2614 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2615 return just the number of iterations.
2617 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2619 PR tree-optimization/27144
2620 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2621 (record_estimate): Only record constant upper bound.
2622 (infer_loop_bounds_from_undefined): Call
2623 compute_estimated_nb_iterations just once.
2624 (proved_non_wrapping_p): Renamed to ...
2625 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2626 (convert_step_widening, scev_probably_wraps_p): Call
2627 n_of_executions_at_most instead of proved_non_wrapping_p.
2628 (substitute_in_loop_info): Do not replace values in bounds.
2629 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2630 comments.
2632 2006-05-01 Richard Henderson <rth@redhat.com>
2634 PR c/27358
2635 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2636 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2637 CPP_PRAGMA.
2639 2006-05-01 Roger Sayle <roger@eyesopen.com>
2641 * c-typeck.c (parser_build_binary_op): Don't call the function
2642 unsigned_conversion_warning to spot operand/result type overflow.
2643 (build_binary_op): Instead, call convert_and_check instead of
2644 convert to report the problem when the operands are promoted.
2645 * c-common.c (unsigned_conversion_warning): Make static.
2646 * c-common.h (unsigned_conversion_warning): Delete prototype.
2648 2006-05-01 Richard Guenther <rguenther@suse.de>
2650 PR tree-optimization/26726
2651 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2652 problem ...
2653 (find_interesting_uses_address): ... we work around here
2654 by folding INDIRECT_REFs in the substituted base.
2656 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2658 * omp-low.c (dump_omp_region): Add newlines.
2660 2006-04-30 Roger Sayle <roger@eyesopen.com>
2662 * common.opt (Woverflow): New command line option.
2663 * c-common.c (constant_expression_warning): Check warn_overflow.
2664 (overflow_waring): Pass OPT_Woverflow to warning.
2665 (unsigned_conversion_warning): Likewise.
2666 (convert_and_check): Likewise.
2667 * doc/invoke.texi: Document new command line option.
2669 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2671 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2672 TARGET_NO_FP_IN_TOC for section anchors.
2673 (optimization_options): Enable section anchors for all
2674 non-"Objective" languages.
2676 2006-04-28 Eric Christopher <echristo@apple.com>
2678 * config/darwin-c.c (darwin_ms_struct): Move this
2679 (darwin_set_default_type_attributes): and this...
2680 * config/darwin.c: ... here.
2681 * config/darwin.h (darwin_ms_struct): Declare.
2683 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2685 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2687 2006-04-28 Roger Sayle <roger@eyesopen.com>
2689 PR c/25309
2690 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2691 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2692 an unsigned HOST_WIDE_INT.
2693 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2694 array index.
2695 (really_start_incremental_init): No need to call convert because
2696 bitsize_zero_node is already of type bitsizetype.
2697 (push_init_level): Extract the value of constructor_index as an
2698 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2699 (process_init_element): Likewise.
2701 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2703 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2704 value before passing to make_relative_prefix.
2706 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2708 PR middle-end/27260
2709 * builtins.c (expand_builtin_memset): Expand val in original mode.
2711 2006-04-27 Eric Christopher <echristo@apple.com>
2713 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2714 with #ifndef/#endif.
2715 * config/darwin-c.c (darwin_ms_struct): New.
2716 (darwin_pragma_ms_struct): Ditto.
2717 (darwin_set_default_type_attributes): Ditto.
2718 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2719 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2720 Register ms_struct pragma.
2721 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2722 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2723 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2724 darwin_set_default_type_attributes if TARGET_MACHO.
2726 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2728 PR tree-optimization/26854
2729 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2730 * doc/tree-ssa.texi: Update immuse iterator documentation.
2731 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2732 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2733 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2734 first_safe_imm_use, next_safe_imm_use): Remove.
2735 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2736 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2737 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2738 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2739 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2740 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2741 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2742 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2743 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2744 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2745 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2746 (perfect_nestify): Use new iterator.
2747 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2748 iterator.
2749 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2750 (next_imm_name): New field in struct immediate_use_iterator_d.
2751 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2752 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2753 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2754 * tree-cfg.c (replace_uses_by): Use new iterator.
2755 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2756 * tree-ssa-operands.c (correct_use_link): Remove.
2757 (finalize_ssa_use_ops): No longer call correct_use_link.
2759 2006-04-27 Stuart Hastings <stuart@apple.com>
2761 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2762 * config/t-darwin (crt3.o): Use it.
2763 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2764 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2765 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2766 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2767 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2768 support.
2770 2006-04-27 Roger Sayle <roger@eyesopen.com>
2772 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2773 size, force the intermediate into a new pseudo rather instead of
2774 performing both a bitwise AND and a bitwise IOR in memory.
2776 2006-04-27 Richard Guenther <rguenther@suse.de>
2778 PR rtl-optimization/26685
2779 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2780 this one "max-flow-memory-locations".
2782 2006-04-27 Richard Guenther <rguenther@suse.de>
2784 PR tree-optimization/25148
2785 * tree-vrp.c (compare_values): Remove code dealing with
2786 comparisons against type min/max value. Honour overflow
2787 and negative constants in code dealing with comparisons
2788 of plus and minus expressions.
2789 (value_inside_range): Use fold_binary with LE_EXPR and
2790 GE_EXPR rather than compare_values.
2792 2006-04-27 Dirk Mueller <dmueller@suse.de>
2794 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2795 prototype for SSE.
2797 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2799 * basic-block.h (safe_insert_insn_on_edge): Removed.
2800 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2802 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2803 Paolo Bonzini <bonzini@gnu.org>
2805 PR middle-end/27282
2806 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2807 (simplify_and_const_int): Same.
2809 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2811 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2813 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2815 PR c/26171
2816 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2817 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2818 cgraph_global_info_ready.
2820 PR middle-end/26913
2821 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2823 PR c/25996
2824 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2825 either decl or init is error_mark_node.
2827 PR middle-end/25989
2828 * tree-flow.h (struct omp_region): Add sched_kind.
2829 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2830 instead of extracting omp for data.
2831 (expand_omp_for): Save extracted sched_kind.
2833 2006-04-25 Roger Sayle <roger@eyesopen.com>
2835 * expmed.c (store_bit_field): Also check whether the bitsize is
2836 valid for the machine's "insv" instruction before moving the
2837 target into a pseudo for use with the insv.
2838 * config/i386/predicates.md (const8_operand): New predicate.
2839 * config/i386/i386.md (extv, extzv, insv): Use the new
2840 const8_operand predicate where appropriate.
2842 2006-04-25 DJ Delorie <dj@redhat.com>
2844 * doc/install.texi (Specific): Clarify that this is not a list of
2845 supported hosts or targets.
2847 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2849 PR rtl-optimization/26725
2850 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2851 block's BB_DIRTY flag.
2853 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2855 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2856 are no branches.
2858 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2859 to print an integer.
2861 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2863 * varasm.c (align_variable): New function.
2864 (get_block_for_decl): Apply align_variable to DECL before
2865 calculating section information.
2866 (assemble_variable): Split out alignment computation.
2868 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2870 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2871 machines.
2873 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2875 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2876 MODE_PARTIAL_INT mode.
2877 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2878 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2879 for CONST_INTs.
2880 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2881 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2882 V2PDImode.
2883 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2884 New predicates.
2885 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2886 New constants.
2887 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2888 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2889 MACFLAG_IH): Likewise.
2890 (movstricthi_1): Renamed from "*movstricthi".
2891 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2892 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2893 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2894 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2895 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2896 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2897 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2898 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2899 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2900 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2901 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2902 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2903 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2904 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2905 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2907 * doc/rtl.texi (ss_ashift): Improve wording.
2909 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2911 * dwarf2out.c (verify_marks_clear): New.
2912 (prune_unused_types): Call verify_marks_clear initially, not
2913 prune_unmark_dies.
2915 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2917 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2918 * doc/rtl.texi: Document them.
2919 * simplify-rtx.c (simplify_unary_operation,
2920 simplify_binary_operation_1): Don't abort when we see them.
2922 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2924 Revert:
2925 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2926 * configure.ac: Completely disregard languages that are not
2927 enabled.
2928 * configure: Regenerated.
2930 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2931 Richard Guenther <rguenther@suse.de>
2933 PR tree-optimization/27236
2934 * tree-inline.c (copy_body_r): Make sure to copy
2935 TREE_THIS_VOLATILE flag.
2937 2006-04-24 Richard Guenther <rguenther@suse.de>
2939 PR middle-end/26869
2940 * tree-complex.c (update_parameter_components): Don't handle
2941 unused parameters which have no default def.
2943 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2944 Richard Guenther <rguenther@suse.de>
2946 PR tree-optimization/27218
2947 * tree-inline.c (expand_call_inline): Strip useless type
2948 conversions for the return slot address.
2950 2006-04-24 Richard Guenther <rguenther@suse.de>
2952 * cfgloop.h (struct loops): Remove unused field array. Reorder
2953 state after num.
2954 (LOOP_PREFETCH): Remove.
2956 2006-04-24 Richard Guenther <rguenther@suse.de>
2958 PR tree-optimization/22525
2959 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2960 variable, adjust types of generated expressions.
2962 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2964 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2965 (tree-vect-patterns.o): Likewise.
2966 (jump.o): Likewise.
2967 (cselib.o): Likewise.
2968 (loop-doloop.o): Likewise.
2969 (regclass.o): Likewise.
2970 (reload1.o): Likewise.
2971 (explow.o): Replace target.h with $(TARGET_H).
2972 (ipa-prop.o): Likewise.
2973 (ipa-cp.o): Likewise.
2974 (ipa-inline.o): Likewise.
2975 (reorg.o): Likewise.
2976 (reg-stack.o): Likewise.
2978 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2980 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2982 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2984 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2986 * configure.ac: Completely disregard languages that are not
2987 enabled.
2988 * configure: Regenerated.
2990 PR c++/26534
2991 * c-common.h (c_build_bitfield_integer_type): Declare.
2992 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2993 * c-common.c (c_build_bitfield_integer_type): ... here.
2995 2006-04-23 Roger Sayle <roger@eyesopen.com>
2997 PR target/21283
2998 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2999 a SImode SUBREG of a floating point register after no_new_pseudos.
3001 2006-04-23 Roger Sayle <roger@eyesopen.com>
3003 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3004 identify potentially eliminable registers to additionally catch
3005 VIRTUAL_INCOMING_ARGS_REGNUM.
3006 (addsi3): Update the conditions on when to use addsi_small_int.
3008 2006-04-23 Roger Sayle <roger@eyesopen.com>
3010 PR target/16641
3011 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3012 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3013 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3015 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3017 * fold-const.c (range_predecessor): Use operand_equal_p
3018 as the predicate for equality.
3019 (range_successor): Likewise.
3021 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3023 Revert:
3024 * config/soft-fp/op-common.h: Fix a typo.
3026 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3028 PR libmudflap/26864
3029 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3030 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3032 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3034 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3035 Fix comment typos.
3036 * doc/tm.texi: Fix a typo.
3038 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3040 * dwarf2out.c (struct die_struct): Document that die_sib makes
3041 a circular linked list.
3042 (FOR_EACH_CHILD): New.
3043 (reverse_die_lists): Delete.
3044 (reverse_all_dies): Delete.
3045 (add_dwarf_attr): Correct documentation.
3046 (remove_child_with_prev): New.
3047 (remove_child_TAG): Update for change to die_struct, use
3048 remove_child_with_prev.
3049 (add_child_die): Update for change to die_struct.
3050 (splice_child_die): Use remove_child_with_prev and add_child_die.
3051 (print_die): Use FOR_EACH_CHILD.
3052 (die_checksum): Likewise.
3053 (assign_symbol_names): Likewise.
3054 (output_location_lists): Likewise.
3055 (build_abbrev_table): Likewise.
3056 (calc_die_sizes): Likewise.
3057 (mark_dies): Likewise.
3058 (unmark_dies): Likewise.
3059 (unmark_all_dies): Likewise.
3060 (output_die): Likewise.
3061 (prune_unused_types_mark): Likewise.
3062 (prune_unused_types_walk): Likewise.
3063 (same_die_p): Update for change to die_struct.
3064 (break_out_includes): Likewise.
3065 (prune_unused_types_prune): Likewise.
3066 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3067 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3068 it's already clear.
3069 (dwarf2out_finish): Don't call reverse_all_dies.
3071 2006-04-21 Eric Christopher <echristo@apple.com>
3073 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3074 in comments and function names.
3076 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3078 PR c/25875
3079 * c-typeck.c (digest_init): Robustify.
3081 * c-typeck.c (pop_init_level): Simplify.
3083 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3085 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3087 2006-04-21 Paul Brook <paul@codesourcery.com>
3089 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3090 hardware floating point.
3092 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3094 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3095 NON_FLOAT_REGS.
3097 2006-04-21 Nick Clifton <nickc@redhat.com>
3099 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3100 OPT_EXTRA_PARTS.
3102 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3104 PR target/27230
3105 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3106 C++ lang type in traceback table for Objective-C++.
3108 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3110 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3112 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3114 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3116 PR mudflap/26789
3117 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3118 were errors. Remove check for erroneous objects.
3120 2006-04-20 Jeff Law <law@redhat.com>
3122 PR tree-optimization/26854
3123 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3124 checking for zero or one use.
3125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3126 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3127 * tree-ssa-reassoc.c (negate_value): Similarly.
3128 (reassociate_bb): Similarly.
3130 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3132 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3133 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3134 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3136 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3138 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3139 fp regs if the last fp arg doesn't fit in regs.
3141 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3143 PR target/27182
3144 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3145 that the last insn has the REG_INC note.
3147 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3148 Nathan Sidwell <nathan@codesourcery.com>
3150 PR c/26774
3151 * stor-layout.c (update_alignment_for_field): Do not align
3152 ERROR_MARK nodes.
3153 (place_union_field): Place union field at the start of the union.
3154 (place_field): Move ERROR_MARK check later, and use the current
3155 allocation position to maintain monotonicity.
3157 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3159 * dominance.c: Include timevar.h.
3160 (calculate_dominance_info): Use TV_DOMINANCE.
3161 * timevar.def (TV_DOMINANCE): New timevar.
3162 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3164 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3166 PR rtl-optimization/14261
3167 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3168 move would be an INSV insn.
3169 (noce_process_if_block): Don't optimize if the destination is a
3170 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3172 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3174 * config/s390/s390.md: Add comments with the instructions emitted
3175 by an insn pattern if macros are used.
3177 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3179 PR rtl-optimization/26026
3180 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3181 is a known power of two shifted left a variable amount.
3183 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3185 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3186 to hash table twice when the debug_str section has SECTION_MERGE.
3188 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3190 * config/soft-fp: New directory. From glibc.
3191 * config/soft-fp/t-softfp: New.
3192 * config/soft-fp/README: New.
3193 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3194 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3195 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3196 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3197 * config.gcc: Use rs6000/t-fprules-fpbit or
3198 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3199 rs6000/t-fprules.
3200 * config/rs6000/sfp-machine.h: New. Based on glibc.
3201 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3202 New.
3203 * config/rs6000/t-fprules: Remove fp-bit rules.
3204 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3205 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3206 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3207 (softfp_wrap_start, softfp_wrap_end): New.
3209 2006-04-18 DJ Delorie <dj@redhat.com>
3211 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3213 2006-04-18 Devang Patel <dpatel@apple.com>
3215 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3217 2006-04-18 Nick Clifton <nickc@redhat.com>
3219 * config/sh/t-symbian: Add rule to build sh-c.o
3220 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3221 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3222 (sh_symbian_encode_section_info): Likewise.
3224 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3226 * builtins.c (expand_builtin_strcmp): Cover label definition of
3227 do_libcall with HAVE_cmpstrnsi.
3229 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3231 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3232 instead of VARRAY.
3233 * function.h (temp_slot_p): New.
3234 (function): Change the type of x_used_temp_slots to
3235 VEC(temp_slot_p,gc) *.
3237 2006-04-18 Nick Clifton <nickc@redhat.com>
3239 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3240 flag_strength_reduce.
3242 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3246 PR target/27117
3248 Partial revert of revision 112637
3249 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3250 Dale Johannesen <dalej@apple.com>
3252 PR target/19653
3253 * regclass.c (struct reg_pref): Update documentation.
3254 (regclass): Set prefclass to NO_REGS if memory is the best option.
3255 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3257 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3259 PR tree-optimization/26821
3260 * tree-ssa-math-opts.c (get_constant_one): New.
3261 (insert_reciprocals): Use it.
3263 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3265 * dwarf2out.c (free_AT): Delete.
3266 (remove_AT): Update string ref counts.
3267 (remove_child_TAG): Don't call free_die.
3268 (free_die): Delete.
3269 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3270 or DW_TAG_GNU_EINCL.
3271 (prune_unused_types_walk_attribs): Reset string refcounts.
3272 (prune_unused_types_update_strings): New.
3273 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3274 call free_die. Do call prune_unused_types_update_strings.
3275 (prune_unused_types): Empty debug_str_hash.
3277 2006-04-17 Roger Sayle <roger@eyesopen.com>
3279 * expr.c (expand_assignment): Optimize away no-op moves where the
3280 source and destination are equal and have no side-effects.
3282 2006-04-17 Richard Guenther <rguenther@suse.de>
3284 PR target/26826
3285 * reload.c (push_reload): Guard calls to get_secondary_mem
3286 for memory subregs.
3288 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3290 * alias.c (reg_base_value, old_reg_base_value): Change the
3291 type to VEC(rtx,gc) *.
3292 (REG_BASE_VALUE, find_base_value, record_set,
3293 init_alias_analysis): Use VEC instead of VARRAY.
3295 * alias.c (alias_sets): Change the type to
3296 VEC(alias_set_entry,gc) *.
3297 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3298 VEC instead of VARRAY.
3299 (last_alias_set): Remove.
3301 * cgraph.h (cgraph_edge_p): New.
3302 Update the prototype of cgraph_function_versioning.
3303 * cgraphunit.c (cgraph_copy_node_for_versioning,
3304 cgraph_function_versioning): Use VEC instead of VARRAY.
3305 * ipa-cp.c (ipcp_insert_stage): Likewise.
3307 2006-04-16 Roger Sayle <roger@eyesopen.com>
3309 PR target/26961
3310 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3311 "A op B" or "A op C", we may need to convert A to the type of B and C.
3313 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3315 * target.h (struct gcc_target): Add mode_rep_extended.
3316 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3317 (init_num_sign_bit_copies_in_rep): Initialize it using
3318 mode_rep_extended.
3319 (truncate_to_mode): Use it.
3320 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3321 * targhooks.h (default_mode_rep_extended): Declare it.
3322 * targhooks.c (default_mode_rep_extended): Define it.
3323 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3324 default_mode_rep_extended.
3325 (TARGET_INITIALIZER): Include it.
3326 * doc/tm.texi (Misc): Document it.
3327 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3328 (mips_truncated_to_mode): New function.
3330 2006-04-16 Roger Sayle <roger@eyesopen.com>
3332 PR middle-end/25474
3333 * expr.c (compress_float_constant): Copy the narrow constant into
3334 a new pseudo before extending it to its final width.
3336 2006-04-16 Roger Sayle <roger@eyesopen.com>
3337 Andrew Pinski <pinskia@gcc.gnu.org>
3338 Dale Johannesen <dalej@apple.com>
3340 PR target/24076
3341 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3342 special case code to implement V8HImode and V16QImode with SSE2.
3344 2006-04-15 Roger Sayle <roger@eyesopen.com>
3346 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3347 trees are constructed with a suitable tree type.
3349 2006-04-15 Roger Sayle <roger@eyesopen.com>
3351 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3352 (integer_onep): Likewise.
3353 (integer_all_onesp): Likewise.
3354 (integer_pow2p): Likewise.
3355 (integer_nonzerop): Likewise.
3356 (real_zerop): Likewise.
3357 (real_onep): Likewise.
3358 (real_twop): Likewise.
3359 (real_minus_onep): Likewise.
3360 (int_size_in_bytes): Likewise.
3361 (host_integerp): Likewise.
3363 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3365 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3366 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3367 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3369 * tree-ssa-structalias.h (alias_info): Remove num_references.
3371 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3373 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3374 (output_bvb patterns): Likewise.
3375 * pa.c (output_bb): Use 'bb' insn for long branch case.
3376 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3377 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3378 1. Correct length operand for alternatives 1 and 2.
3379 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3380 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3382 2006-04-14 Roger Sayle <roger@eyesopen.com>
3384 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3385 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3386 were accidentally reverted by r112959.
3388 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3390 PR middle-end/26823
3391 * except.h (eh_region_outermost): New prototype.
3392 * except.c (eh_region_outermost): New function.
3393 * tree-cfg.c (find_outermost_region_in_block): Use it.
3395 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3397 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3398 of VARRAY.
3399 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3400 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3401 (init_reload, reload): Use VEC instead of VARRAY.
3402 * reload.h: Update the prototype for
3403 reg_equiv_memory_loc_varray.
3405 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3406 Eric Botcazou <ebotcazou@libertysurf.fr>
3408 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3409 register save area.
3411 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3413 PR middle-end/27134
3414 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3415 to expand fallback builtin function call.
3417 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3419 PR middle-end/27095
3420 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3421 and emit libcall here in case the builtin fails.
3422 (expand_builtin_strcmp): Always emit the libcall here on failure.
3424 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3426 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3427 * flow.c (reg_n_info): Change the type to
3428 VEC(reg_info_p,heap) *.
3429 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3430 instead of VARRAY.
3431 * regs.h (reg_info_p): New.
3432 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3433 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3434 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3435 instead of VARRAY.
3437 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3439 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3440 defaulting to 100.
3441 * params.h (MAX_SCHED_READY_INSNS): New macro.
3442 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3443 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3444 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3445 the ready list for 1 cycle during the first scheduling pass.
3446 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3448 2006-04-13 Richard Henderson <rth@redhat.com>
3450 PR libgomp/26651
3451 * gimple-low.c (lower_omp_directive): Remove dead code.
3452 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3453 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3454 * omp-low.c (struct omp_region): Move to tree-flow.h.
3455 (root_omp_region): Export.
3456 (omp_regions, lookup_omp_region): Remove.
3457 (determine_parallel_type): Update for struct omp_region changes.
3458 (dump_omp_region): Dump regions with block numbers.
3459 (new_omp_region): Take type and block instead of stmt; malloc
3460 instead of ggc.
3461 (free_omp_region_1, free_omp_regions): New.
3462 (expand_parallel_call): Take entry_stmt as argument; update for
3463 changes to omp_region.
3464 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3465 (remove_exit_barriers): New.
3466 (expand_omp_parallel): Update for struct omp_region changes.
3467 (expand_omp_synch): Likewise.
3468 (expand_omp): Likewise.
3469 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3470 (expand_omp_for_static_chunk): Likewise.
3471 (expand_omp_for): Likewise.
3472 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3473 (expand_omp_sections): Similarly, with GOMP_sections_end.
3474 (expand_omp_single): New.
3475 (build_omp_regions_1): Update for OMP_CONTINUE.
3476 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3477 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3478 OMP_SECTIONS_SECTIONS.
3479 (lower_omp_single_simple): Don't emit barrier here.
3480 (lower_omp_single_copy): Likewise.
3481 (lower_omp_single): Fix bindings, and lower to straightline now.
3482 (lower_omp_master, lower_omp_ordered): Likewise.
3483 (lower_omp_critical): Likewise.
3484 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3485 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3486 omp edges, free it afterward.
3487 (make_omp_sections_edges): Remove.
3488 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3489 (move_stmt_r): Handle OMP_CONTINUE.
3490 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3491 statement pointers to basic blocks. Add type member.
3492 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3493 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3494 * tree-inline.c (estimate_num_insns_1): Likewise.
3495 * tree-pretty-print.c (dump_generic_node): Likewise.
3496 * tree-ssa-operands.c (get_expr_operands): Likewise.
3497 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3498 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3499 (OMP_CONTINUE): New.
3500 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3501 (OMP_SECTIONS_SECTIONS): Remove.
3502 (OMP_SECTION_LAST): New.
3503 (OMP_RETURN_NOWAIT): New.
3505 2006-04-13 Roger Sayle <roger@eyesopen.com>
3507 * fold-const.c (native_encode_vector, native_interpret_real):
3508 Correct obvious mistakes in the previous check-in.
3510 2006-04-13 Roger Sayle <roger@eyesopen.com>
3512 * fold-const.c (native_encode_expr): New function to encode
3513 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3514 or VECTOR_CST into a specified buffer.
3515 (native_encode_int): New function.
3516 (native_encode_real): New function.
3517 (native_encode_complex): New function.
3518 (native_encode_vector): New function.
3519 (native_interpret_expr): Inverse of native_encode_expr to convert
3520 a target representation into an INTEGER_CST, REAL_CST etc...
3521 (native_interpret_int): New function.
3522 (native_interpret_real): New function.
3523 (native_interpret_complex): New function.
3524 (native_interpret_vector): New function.
3525 (fold_view_convert_expr): New function to constant fold/evaluate
3526 a VIEW_CONVERT_EXPR of a suitable constant expression.
3527 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3528 Change call of build1 to fold_build1 when constructing a
3529 VIEW_CONVERT_EXPR.
3531 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3532 Ulrich Weigand <uweigand@de.ibm.com>
3534 PR target/27006
3535 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3536 to be even.
3538 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3540 PR target/26459
3541 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3542 optimize to lo_sum for DFmode if !TARGET_FPRS.
3544 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3546 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3547 delete_alias_info, compute_flow_sensitive_aliasing,
3548 group_aliases): Use VEC instead of VARRAY.
3549 * tree-ssa-structalias.c (update_alias_info): Likewise.
3550 * tree-ssa-structalias.h (alias_info): Change the type of
3551 processed_ptrs to VEC(tree,heap) *.
3553 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3555 PR target/27060
3556 * config/sh/lib1funcs.h: New file, broken out of:
3557 * config/sh/lib1funcs.asm.
3558 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3559 New macros.
3560 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3561 * config/sh/lib1funcs-Os-4-200.asm: New file.
3562 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3563 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3564 (EXTRA_MULTILIB_PARTS): Include it.
3565 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3566 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3567 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3568 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3569 TARGET_SH2.
3571 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3573 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3574 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3575 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3576 VARRAY.
3577 * tree-ssa-live.h: Include vecprim.h.
3578 (tree_partition_associator_d): Change the type of
3579 first_partition to VEC(int,heap) *.
3580 (tpa_first_partition): Use VEC instead of VARRAY.
3582 * Makefile.in (GTFILES): Move functions.h after tree.h.
3583 * function.c (reset_block_changes, record_block_change,
3584 check_block_change, free_block_changes): Use VEC instead of
3585 VARRAY.
3586 * function.h (function): Change the type of
3587 ib_boundaries_block to VEC(tree,gc) *.
3588 * tree-inline.c (copy_cfg_body): Initialize
3589 ib_boundaries_block to NULL instead of (varray_type) 0.
3591 2006-04-12 Roger Sayle <roger@eyesopen.com>
3593 * expr.c (emit_group_store): Correct operand order in call to
3594 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3595 a SUBREG_BYTE of zero.
3597 2006-04-12 Richard Guenther <rguenther@suse.de>
3599 * profile.c (compute_branch_probabilities): Remove code
3600 encapsulated in !ir_type (), which are remanents of the
3601 removed RTL profiling code.
3602 * rtl-profile.c: Remove.
3604 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3606 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3607 magic NULL_RTX comment.
3608 (function_arg): Store entire fp arg to mem if any part should go
3609 on stack.
3610 (rs6000_arg_partial_bytes): Adjust for above change.
3612 2006-04-11 Roger Sayle <roger@eyesopen.com>
3614 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3615 if it hasn't been initialized by dwarf2out_init.
3617 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3619 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3620 symbolic constants in branch patterns.
3622 2006-04-11 Roger Sayle <roger@eyesopen.com>
3624 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3626 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3628 PR rtl-optimization/27073
3629 * gcse.c (try_replace_reg): Revert last change. Continue to search
3630 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3631 on the former.
3633 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3635 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3636 aggregate types other than record and union types.
3637 (function_arg): Likewise.
3638 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3639 small arrays.
3640 (function_value): In 64-bit mode, return objects that require it
3641 in FP registers.
3643 2006-04-11 Roger Sayle <roger@eyesopen.com>
3645 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3647 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3649 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3651 2006-04-03 Jeff Law <law@redhat.com>
3653 PR/27087
3654 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3655 alias information too.
3657 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3659 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3661 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3663 PR/21391
3664 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3665 (premark_used_types_helper): New.
3666 (premark_used_types): New.
3667 (gen_subprogram_die): Call premark_used_types.
3668 (prune_unused_types_walk): Do not prune perennial dies.
3669 * function.c (used_types_insert): New.
3670 * function.h (struct function): Add used_types_hash field.
3671 (used_types_insert): Add prototype.
3672 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3673 * c-parser.c (c_parser_cast_expression): Save casted types in used
3674 types hash table.
3676 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3678 PR target/26459
3679 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3680 rs6000_explicit_options.float_gprs.
3682 2006-04-10 Roger Sayle <roger@eyesopen.com>
3684 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3685 from ix86_expand_vector_init_low_nonzero. Take an additional
3686 one_var argument indicating which element is non-zero. Support
3687 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3688 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3689 with one_var instead of ix86_expand_vector_init_low_nonzero.
3691 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3693 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3694 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3695 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3696 build/genextract.o): Depend on vecprim.h.
3697 * cfglayout.c, df-problems.c, function.c, genextract.c,
3698 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3699 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3700 vecprim.h.
3701 * vecprim.h: New.
3703 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3705 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3706 Declare VECs of this type.
3707 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3708 (remove_children): Delete.
3709 (add_dwarf_attr): Use VEC routines.
3710 (add_AT_flag): Update for changes to add_dwarf_attr.
3711 (add_AT_int): Likewise.
3712 (add_AT_unsigned): Likewise.
3713 (add_AT_long_long): Likewise.
3714 (add_AT_vec): Likewise.
3715 (add_AT_string): Likewise.
3716 (add_AT_die_ref): Likewise.
3717 (add_AT_fde_ref): Likewise.
3718 (add_AT_loc): Likewise.
3719 (add_AT_loc_list): Likewise.
3720 (add_AT_addr): Likewise.
3721 (add_AT_lbl_id): Likewise.
3722 (add_AT_lineptr): Likewise.
3723 (add_AT_macptr): Likewise.
3724 (add_AT_offset): Likewise.
3725 (add_AT_range_list): Likewise.
3726 (get_AT): Use VEC_iterate.
3727 (remove_AT): Use VEC_ordered_remove.
3728 (free_die): Fold remove_children into here; have it use VEC_iterate.
3729 (print_die): Use VEC_iterate on attrs.
3730 (reverse_die_lists): Don't reverse attr lists.
3731 (die_checksum): Use VEC_iterate on attrs.
3732 (same_die_p): Likewise.
3733 (output_location_lists): Likewise.
3734 (build_abbrev_table): Likewise.
3735 (size_of_die): Likewise.
3736 (unmark_all_dies): Likewise.
3737 (output_abbrev_section): Likewise.
3738 (output_die): Likewise.
3739 (prune_unused_types_walk_attribs): Likewise.
3741 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3743 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3745 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3747 PR debug/27057
3748 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3750 2006-04-09 Roger Sayle <roger@eyesopen.com>
3752 * expr.c (store_constructor): Don't bother clearing target if
3753 we're about to assign a vector to it using vec_init_optab.
3755 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3757 * tree-ssa-alias.c (lhs_may_store_to): New function.
3758 (recalculate_used_alone): Handle LHS of calls.
3760 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3762 PR target/27034
3763 PR target/26508
3764 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3765 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3766 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3767 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3768 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3769 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3770 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3771 stubs. Add ".align 8" directives before all ".dword" directives.
3772 (GTHREAD_USE_WEAK): Revise comment.
3773 (TARGET_ATTRIBUTE_WEAK): Define.
3774 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3775 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3776 * stublib.c: New file.
3778 PR target/26743
3779 PR target/11254
3780 PR target/10274
3781 * pa.md (cbranch patterns): Revise arguments used in calls to
3782 output_cbranch, output_bb and output_bvd. Add long branch length
3783 attributes.
3784 (fbranch patterns): Handle long branches.
3785 (jump): Revise length check. Revise arguments for output_lbranch call.
3786 Add long branch length attributes.
3787 (decrement_and_branch_until_zero): Add long branch length attributes.
3788 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3789 Likewise. Revise arguments for output_parallel_addb and
3790 output_parallel_movb calls.
3791 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3792 output_parallel_movb and output_parallel_addb): Update prototypes.
3793 * pa.c (output_cbranch): Revise arguments. Correct handling of
3794 nullification in long branches.
3795 (output_lbranch): Add new argument to control extraction of delay
3796 instruction.
3797 (output_bb): Handle long branches.
3798 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3799 output_parallel_addb): Likewise.
3801 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3803 PR rtl-optimization/27073
3804 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3805 not REG_EQUIVs.
3807 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3809 * tree.h (tree_memory_tag): Add old_used_alone.
3810 (SMT_OLD_USED_ALONE): New macro.
3811 * tree-ssa-alias.c (recalculate_used_alone): Stop
3812 marking things for renaming unnecessarily.
3814 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3816 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3817 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3818 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3819 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3820 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3821 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3822 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3823 spelling convensions.
3824 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3825 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3826 typos. Follow spelling conventions.
3828 2006-04-07 DJ Delorie <dj@redhat.com>
3830 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3831 passed on the stack.
3832 (m32c_init_cumulative_args): When a function returns a structure,
3833 always pass the pointer to that return area on the stack.
3834 (m32c_function_arg_advance): Don't increment the parameter number
3835 if we're processing the returned structure pointer.
3836 (pushm_info): Reverse order of registers.
3838 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3840 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3841 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3842 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3843 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3844 build_int_cst_type.
3845 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3846 chrec_fold_multiply): Same.
3847 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3848 force_expr_to_var_cost): Same.
3849 * tree-mudflap.c (mf_xform_derefs_1): Same.
3850 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3852 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3854 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3855 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3856 insn.
3858 2006-04-07 Jan Hubicka <jh@suse.cz>
3860 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3862 2006-04-07 Richard Guenther <rguenther@suse.de>
3864 PR tree-optimization/26135
3865 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3866 loads for store copy-prop.
3867 (copy_prop_visit_stmt): Likewise.
3869 2006-04-05 Robert Millan <robertmh@gnu.org>
3871 * config/i386/linux.h: Add a comment to mark macros that are
3872 being overriden in config/k*bsd-gnu.h.
3873 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3874 DYNAMIC_LINKER.
3875 * config/knetbsd-gnu.h: Ditto.
3877 2006-04-06 Jan Hubicka <jh@suse.cz>
3879 PR profile/20815
3880 PR profile/26399
3881 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3882 after buffer.
3884 2006-04-06 Mike Stump <mrs@apple.com>
3886 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3887 for HAVE_nonlocal_goto to be consistent.
3888 (expand_builtin_nonlocal_goto): Likewise.
3889 (expand_builtin_strcmp): Use #ifdef instead of #if
3890 for HAVE_cmpstrnsi to be consistent.
3892 2006-04-05 DJ Delorie <dj@redhat.com>
3894 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3895 vs m32c.
3897 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3899 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3900 got-relative addressing for anything but SImode.
3902 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3903 even if the calling function doesn't modify them.
3905 2006-04-05 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/26919
3908 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3909 to cgraph_estimate_size_after_inlining.
3911 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3913 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3915 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3917 PR tree-optimization/26996
3918 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3919 VECTOR_TYPE variables.
3921 2006-04-05 Richard Guenther <rguenther@suse.de>
3923 PR tree-optimization/26763
3924 * fold-const.c (fold_comparison): Move folding of
3925 PTR + CST CMP PTR + CST ...
3926 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3928 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3930 * doc/install.texi (Prerequisites): Refine some wording on
3931 bootstrapping and ksh.
3932 Move the version numbers of DejaGnu here from the testing section
3933 and fix casing of names.
3934 Fix markup and clarify wording for autogen requirements.
3935 Refer to GCJ instead of just java.
3936 Refer to SVN instead of CVS.
3937 Describe diffutils as useful instead of necessary.
3938 (Downloading the source): Refer to SVN instead of CVS.
3939 Adjust a link to our web site accordingly.
3940 (Configuration): Fix casing of Bison.
3941 (Building): Refer to SVN instead of CVS.
3942 Fix a sentence on the use of Bison and remove duplicate (and
3943 incorrect) version number of Bison requirement.
3944 Remove one redundant list of packages needed for building.
3945 (Specific): Avoid reference to CVS.
3947 2006-04-04 Eric Christopher <echristo@apple.com>
3949 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3950 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3951 (rs6000_handle_struct_attribute): New.
3952 (rs6000_ms_bitfield_layout_p): Ditto.
3954 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3956 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3957 NULL for dso parameter to atexit_common.
3959 2006-04-04 Eric Christopher <echristo@apple.com>
3961 * config/i386/i386.c (machopic_output_stub): Output \t
3962 between instructions and operands.
3964 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3966 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3967 satisfies_constraint_[IL] to explicit tests on value.
3969 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3971 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3972 set_nb_iterations_in_loop): Use build_int_cst instead of
3973 build_int_cst_type.
3974 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3975 build_int_cst instead of convert.
3977 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3979 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3980 new value 2 for incoming.
3981 * function.c (expand_function_start): Call struct_value_rtx
3982 with incoming as 2.
3983 * config/sparc/sparc.md: Comment updated_return.
3984 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3985 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3986 struct return if sparc_std_struct_return and incoming is 2.
3987 (print_operand): Do not adjust return if
3988 sparc_std_struct_return.
3990 2006-04-04 Roger Sayle <roger@eyesopen.com>
3992 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3993 convert in the middle-end.
3994 * expr.c (store_expr, store_constructor, get_inner_reference,
3995 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3996 Likewise.
3997 * tree.c (build_range_type): Likewise.
3999 2006-04-04 Tom Tromey <tromey@redhat.com>
4001 * doc/install.texi (Prerequisites): Mention jar.
4003 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4005 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4006 subsection.
4008 2006-04-04 Matthias Klose <doko@debian.org>
4010 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4011 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4012 strings.
4014 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4016 * doc/extend.texi (Function Attributes): Rewrite visibility
4017 attribute documentation.
4018 * doc/invoke.texi (C++ Dialect Options): Rewrite
4019 -fvisibility-inlines-hidden documentation to describe something
4020 entirely different, although in practise compatible.
4021 (Code Gen Options): Warn about system headers in -fvisibility=
4022 documentation.
4024 * doc/extend.texi (Other Builtins): Document that
4025 __builtin_nan is a compile-time constant only when its argument
4026 is valid.
4028 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4030 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4031 trying to remove TRUNCATE check if all bits outside the new mode
4032 are identical to the sign bit.
4034 2006-04-03 Jeff Law <law@redhat.com>
4036 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4037 and operand scanning in some common cases.
4039 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4040 Dale Johannesen <dalej@apple.com>
4042 PR target/19653
4043 * regclass.c (struct reg_pref): Update documentation.
4044 (regclass): Set prefclass to NO_REGS if memory is the best option.
4045 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4046 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4047 into account. For non-registers, equate an empty preferred
4048 reload class to a `!' in the constraint; move the if clause to
4049 do so after those that reject the insn.
4050 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4051 return NO_REGS.
4052 (find_dummy_reload): Likewise.
4053 * doc/tm.texi (Register Classes): Document what it means
4054 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4055 * config/i386/i386.c (ix86_preferred_reload_class): Force
4056 using SSE registers (and return NO_REGS for floating-point
4057 constants) if math is done with SSE.
4058 (ix86_preferred_output_reload_class): New.
4059 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4060 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4061 * config/i386/i386.md: Remove # register preferences.
4063 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4065 PR bootstrap/26992
4066 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4067 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4068 the type of nb_iter.
4069 (instantiate_parameters_1): Convert the operands before calling
4070 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4071 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4073 2006-04-02 Roger Sayle <roger@eyesopen.com>
4075 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4076 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4077 instead of convert.
4078 * dojump.c (do_jump): Likewise.
4079 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4080 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4081 gimplify_boolean_expr): Likewise.
4082 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4083 * varasm.c (array_size_for_constructor): Likewise.
4084 * tree-object-size.c (compute_object_offset): Likewise.
4086 2006-04-02 Roger Sayle <roger@eyesopen.com>
4088 PR middle-end/26977
4089 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4090 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4092 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4094 PR tree-optimization/26939
4095 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4097 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4099 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4100 at_stmt. Convert the type of operands before calling
4101 build_polynomial_chrec.
4102 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4103 add_to_evolution_1.
4104 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4105 (instantiate_parameters_1): Convert the type of operands before calling
4106 build_polynomial_chrec.
4107 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4108 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4109 reset_evolution_in_loop): Insert asserts to check the types of the
4110 operands.
4111 (chrec_type): Moved...
4112 (eq_evolutions_p): Use operand_equal_p.
4113 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4114 the types of the operands.
4115 (chrec_type): ...here.
4116 * tree-data-ref.c (create_data_ref): Convert the operands before
4117 calling chrec_replace_initial_condition.
4118 (same_access_functions, analyze_subscript_affine_affine,
4119 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4120 (compute_subscript_distance, analyze_ziv_subscript,
4121 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4122 analyze_miv_subscript): Convert the operands before calling
4123 chrec_fold_minus or chrec_fold_plus.
4125 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4127 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4128 the dependence_relations vector.
4129 (compute_data_dependences_for_loop): Adjust call to
4130 compute_all_dependences.
4132 2006-04-01 Roger Sayle <roger@eyesopen.com>
4133 Richard Henderson <rth@redhat.com>
4135 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4136 gimple_boolify on the condition before calling gimplify_expr.
4138 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4140 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4141 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4142 the frame size. Update to use the new macros.
4143 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4144 * config/xtensa/ieee754-df.S: Likewise.
4146 2006-03-31 Richard Henderson <rth@redhat.com>
4148 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4149 (make_edges): ... here. Control fallthru creation with a local
4150 variable. Do not play with fake edges.
4151 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4152 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4153 a boolean.
4155 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4157 * dwarf2.h (DW64_CIE_ID): Define.
4158 * dwarf2out.c (DWARF_CIE_ID): Define.
4159 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4160 length header. Use DWARF_CIE_ID.
4161 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4162 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4164 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4166 * config/sh/linux-atomic.asm: New file.
4167 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4169 2006-03-31 DJ Delorie <dj@redhat.com>
4171 * config/m32c/cond.md: Set condition flags properly throughout.
4172 * config/m32c/minmax.md: Likewise.
4173 * config/m32c/prologue.md: Likewise.
4174 * config/m32c/bitops.md: Likewise.
4175 * config/m32c/muldiv.md: Likewise.
4176 * config/m32c/mov.md: Likewise.
4177 * config/m32c/addsub.md: Likewise.
4178 * config/m32c/m32c.md: Likewise.
4179 * config/m32c/jump.md: Likewise.
4180 * config/m32c/shift.md: Likewise.
4182 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4183 conditionally output the pattern for this.
4184 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4185 (m32c_compare_redundant): New.
4186 (m32c_output_compare): New.
4187 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4189 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4190 dest, not src. Allow other 4-byte modes.
4192 2006-03-30 Denis Chertykov <denisc@overta.ru>
4194 * doc/md.texi: Refer to avr/constraints.md instead of
4195 avr/avr.h.
4197 2006-03-30 Roger Sayle <roger@eyesopen.com>
4199 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4200 signed vs. unsigned comparison failures on some hosts.
4202 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4204 PR target/26459
4205 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4206 change to FLOAT_REGS.
4208 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4209 (rs6000_override_options): Use it.
4210 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4211 only for -mabi=spe/no-spe and -mabi=altivec.
4213 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4215 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4216 !Zdynamiclib.
4218 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4220 * Makefile.in: Rename docdir to gcc_docdir.
4222 2006-03-30 Roger Sayle <roger@eyesopen.com>
4224 PR target/17959
4225 * expr.c (emit_group_store): Optimize group stores into a pseudo
4226 register by using a paradoxical subreg to initialize the destination
4227 if the first or last member of the group specifies a "low part".
4229 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4231 PR target/26734
4232 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4233 * target.h (struct gcc_target.speculate_insn): Change type of the
4234 second parameter to 'int'.
4235 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4236 the second operand of the DEPS_LIST.
4237 (copy_DEPS_LIST_list): Update reference to the second operand of the
4238 DEPS_LIST.
4239 * rtl.h (alloc_DEPS_LIST): Update signature.
4240 * sched-int.h (ds_t): Change typedef to 'int'.
4241 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4243 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4245 * haifa-sched.c (try_ready): Change condition to restore
4246 non-speculative pattern of the instruction.
4247 (process_insn_depend_be_in_spec): Code to keep probability of the
4248 speculative dependence non-decreasing.
4250 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4252 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4253 (single_move_for_movmem): ... this. Also change all uses.
4254 (bfin_expand_strmov): Renamed to...
4255 (bfin_expand_movmem): ... this. Also change all uses.
4256 * config/bfin/bfin.md (movstrsi): Renamed to...
4257 (movstrsi): ...this.
4259 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4261 PR tree-optimization/26830
4263 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4264 (copy_prop_visit_stmt): Remove write-only variable ann.
4265 (init_copy_prop): Check variable loop depth here. Do not simulate
4266 memory-tag and virtual operand PHIs except for store copy prop.
4268 2006-03-30 Richard Guenther <rguenther@suse.de>
4270 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4271 variants with double arguments.
4273 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4275 * genpreds.c (write_tm_constrs_h): Delete variable p.
4276 * genconditions.c (write_header): Add tm-constrs.h to included
4277 headers.
4278 * genpeep.c (main): Add toplev.h to included headers.
4279 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4280 (build/genpeep.o): Add toplev.h dependency.
4281 * config/rs6000/constraints.md: Add "W" constraint.
4283 2006-03-29 Roger Sayle <roger@eyesopen.com>
4285 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4286 sizes by correctly testing whether the size fits a host integer.
4287 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4288 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4289 SImode range for the default sizetype and bitsizetype.
4291 2006-03-29 Roger Sayle <roger@eyesopen.com>
4293 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4294 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4295 quickly if the argument is already of the correct type.
4296 Call fold_build1 instead of build1. Tidy up blank lines.
4298 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4300 * genemit.c (main): Add tm-constrs.h to included headers.
4301 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4302 * genpeep.c (main): Add tm-constrs.h to included headers.
4303 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4304 (write_tm_constrs_h): this and write complete file.
4305 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4306 (write_insn_preds_c): Add tm-constrs.h to included headers.
4307 (gen_constrs): New variable.
4308 (parse_option): Parse "-c".
4309 (main): Invoke write_tm_constrs_h.
4310 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4311 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4312 (object_out_file): Add tm-constrs.h dependency.
4313 (insn-emit.o): Same.
4314 (insn-output.o): Same.
4315 (insn-peep.o): Same.
4316 (insn-preds.o): Same.
4317 (insn-recog.o): Same.
4318 (tm-constsr.h): New target.
4319 (s-constrs-h): New target.
4321 * config/rs6000/constraints.md: New file.
4322 * config/rs6000/rs6000.c: Include tm-constrs.h.
4323 (num_insn_constant_wide): Convert to satisfies_constraint.
4324 (rs6000_rtx_costs): Convert to satisfies_constraint.
4325 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4326 (CONST_OK_FOR_LETTER_P): Delete.
4327 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4328 (EXTRA_CONSTRAINT): Delete.
4329 (EXTRA_MEMORY_CONSTRAINT): Delete.
4330 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4331 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4332 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4333 satisfies_constraint.
4335 * config/i386/i386.c: Include tm-constrs.h.
4337 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4339 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4340 * tree-data-ref.c (find_data_references_in_loop,
4341 compute_data_dependences_for_loop): Use pointers to VEC.
4342 (analyze_all_data_dependences): Adjust calls.
4343 * tree-data-ref.h (find_data_references_in_loop,
4344 compute_data_dependences_for_loop): Adjust declarations.
4345 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4346 compute_data_dependences_for_loop.
4348 2006-03-29 Paul Brook <paul@codesourcery.com>
4350 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4351 (movdf_vfp): Ditto.
4353 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4355 PR tree-optimization/26859
4356 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4357 division by zero.
4358 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4359 for the step after fold_convert.
4361 2006-03-29 Paul Brook <paul@codesourcery.com>
4363 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4364 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4366 2006-03-29 Paul Brook <paul@codesourcery.com>
4368 PR middle-end/23623
4369 * targhooks.c (default_narrow_bitfield): New fuction.
4370 * targhooks.h (default_narrow_bitfield): add prototype.
4371 * target.h (gcc_target): Add narrow_volatile_bitfield.
4372 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4373 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4374 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4375 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4377 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4379 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4380 tmake_file.
4381 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4382 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4383 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4384 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4385 (s390_function_arg_float): Allow SDmode and DDmode values to be
4386 passed in floating point registers.
4387 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4388 check with SCALAR_FLOAT_MODE_P.
4389 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4391 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4393 PR tree-optimization/25985
4394 * tree-ssa-loop-niter.c (number_of_iterations_le,
4395 number_of_iterations_ne): Make comments more precise.
4396 (number_of_iterations_cond): Add only_exit argument. Use the
4397 fact that signed variables do not overflow only when only_exit
4398 is true.
4399 (loop_only_exit_p): New.
4400 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4401 number_of_iterations_cond.
4403 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4405 PR tree-optimization/26643
4406 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4407 bit_field_refs.
4409 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4411 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4412 (divsi3_i4_int): Likewise.
4414 2006-03-28 Roger Sayle <roger@eyesopen.com>
4416 * expr.c (emit_group_store): Only create a new pseudo reg if the
4417 quantity it needs to hold isn't already a suitable pseudo.
4419 2006-03-28 Jeff Law <law@redhat.com>
4421 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4422 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4424 2006-03-28 Roger Sayle <roger@eyesopen.com>
4426 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4427 the equivalent ~X & Y, and the symmetry related transformations.
4428 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4429 ~X & Y, and symmetry related transforms.
4431 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4433 Revert my 2006-03-27 patches.
4435 2006-03-28 Roger Sayle <roger@eyesopen.com>
4437 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4438 ~(T1)X, when T1 and T2 are integer types of the same precision
4439 and (T2)X isn't an extension.
4441 2006-03-28 Jeff Law <law@redhat.com>
4443 PR tree-optimization/26796
4444 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4445 need EH edge cleanups rather than purging them immediately.
4446 (eliminate_degenerate_phis): Handle queued EH cleanups.
4448 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4450 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4451 from parent_var.
4453 2006-03-27 Roger Sayle <roger@eyesopen.com>
4455 PR middle-end/22524
4456 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4457 cast BIT_NOT_EXPR operand to the correct type.
4459 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4461 * tree-loop-linear.c: Don't include varray.h.
4462 (gather_interchange_stats, try_interchange_loops,
4463 linear_transform_loops): Use VEC instead of VARRAY.
4464 * lambda-mat.c: Don't include varray.h.
4465 * tree-chrec.c: Same.
4466 * lambda-trans.c: Same.
4467 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4468 VEC instead of VARRAY.
4469 * tree-vectorizer.h: Idem.
4470 * tree-data-ref.c (dump_data_references,
4471 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4472 initialize_data_dependence_relation, finalize_ddr_dependent,
4473 compute_all_dependences, find_data_references_in_loop,
4474 compute_data_dependences_for_loop, analyze_all_data_dependences,
4475 free_dependence_relation, free_dependence_relations,
4476 free_data_refs): Idem.
4477 * tree-data-ref.h (data_reference_p, subscript_p): New.
4478 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4479 VEC instead of VARRAY.
4480 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4481 (find_data_references_in_loop, compute_data_dependences_for_loop,
4482 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4483 dump_data_dependence_relations, free_dependence_relations,
4484 free_data_refs): Adjust declaration.
4485 (lambda_transform_legal_p): Move declaration here...
4486 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4487 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4488 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4489 vect_analyze_data_refs): Use VEC instead of VARRAY.
4490 * lambda.h (lambda_transform_legal_p): ...from here.
4491 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4492 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4493 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4494 tree-chrec.o): Don't depend on VARRAY_H.
4496 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4498 * rtl.def (Copyright): Update date.
4499 (DEPS_LIST): Change type of the second operand to 'int'.
4500 * target.h (Copyright): Update date.
4501 (struct gcc_target.speculate_insn): Change type of the second parameter
4502 to 'int'.
4503 * lists.c (Copyright): Update date.
4504 (alloc_DEPS_LIST): Change signature. Update reference to the second
4505 operand of the DEPS_LIST.
4506 (copy_DEPS_LIST_list): Update reference to the second operand of the
4507 DEPS_LIST.
4508 * rtl.h (Copyright): Update date.
4509 (alloc_DEPS_LIST): Update signature.
4510 * sched-int.h (Copyright): Update date.
4511 (ds_t): Change typedef to 'int'.
4512 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4514 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4516 * haifa-sched.c (Copyright): Update date.
4517 (try_ready): Change condition to restore non-speculative pattern
4518 of the instruction.
4519 (process_insn_depend_be_in_spec): Code to keep probability of the
4520 speculative dependence non-decreasing.
4522 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4524 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4525 shut up the compiler.
4527 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4529 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4530 to use lib prefix for target.
4531 ($(T)libic_invalidate_array_4-200.a): Likewise.
4532 ($(T)libic_invalidate_array_4a.a): Likewise.
4534 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4535 J"orn Rennecke <joern.rennecke@st.com>
4537 * superh.opt: New file.
4538 * sh.c (boardtype, osruntime): Remove.
4539 * superh.h (SUBTARGET_OPTIONS): Remove.
4540 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4542 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4543 arguments with ^ and/or [].
4545 * config.gcc (sh-*-*): Add quoting to account for quirk of
4546 Solaris /bin/sh.
4547 Replace == with = in enable_incomplete_targets test.
4549 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4550 with MASK_LITTLE_ENDIAN.
4552 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4553 * config/sh/sh.opt: Added to some comments.
4554 * config/sh/superh.h: Removed some chaff.
4556 * config/sh/sh.opt: Add m4-[1234]00* options.
4557 * config/sh/sh.c (sh_handle_option): Likewise.
4558 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4559 (ic_invalidate_array_4-100.o): New rule.
4560 ($(T)libic_invalidate_array_4-100.a): Likewise.
4561 (ic_invalidate_array_4-200.o): Likewise.
4562 ($(T)libic_invalidate_array_4-200.a): Likewise.
4563 (ic_invalidate_array_4a.o): Likewise.
4564 ($(T)libic_invalidate_array_4a.a): Likewise.
4565 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4566 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4567 m4-200*, and m4a*.
4568 * config/sh/crt1.asm: Merged in profiling code.
4569 * config/sh/superh.h (STARTFILE_SPEC): Override.
4570 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4571 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4572 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4574 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4575 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4576 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4578 * sh.opt (mpretend-cmove): New option.
4579 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4580 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4581 (movsicc): Add TARGET_PRETEND_CMOVE code.
4583 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4585 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4586 s390_class_max_nregs): New function prototypes.
4587 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4588 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4589 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4590 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4592 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4594 * dwarf2out.c (add_location_or_const_value_attribute): Call
4595 tree_add_const_value_attribute if nothing else works.
4596 (reference_to_unused): New.
4597 (rtl_for_decl_init): Use reference_to_unused to decide whether
4598 to output an initializer.
4600 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4602 PR target/26459
4603 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4604 peephole removing spe frob_di_df_2.
4606 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4608 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4609 (subscript_dependence_tester_1): Declared.
4610 (print_dir_vectors, print_dist_vectors): New.
4611 (debug_data_dependence_relation): New.
4612 (dump_data_dependence_relation): Print more details.
4613 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4614 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4615 (save_dist_v, save_dir_v, add_outer_distances,
4616 build_classic_dist_vector_1): New.
4617 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4618 Don't test for lambda_vector_lexico_pos.
4619 (same_access_functions, add_multivariate_self_dist,
4620 add_other_self_distances, dir_from_dist): New.
4621 (build_classic_dir_vector): Replace implementation almost identical to
4622 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4623 dir_from_dist.
4624 (subscript_dependence_tester_1): New.
4625 (subscript_dependence_tester): Handle the lexicographically negative
4626 distance vectors by recomputing the dependence relation.
4627 (compute_affine_dependence): Remove parameter loop_nest_depth.
4628 (compute_self_dependence): Don't call compute_subscript_distance.
4629 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4630 Add a parameter for the loop_nest.
4631 (find_loop_nest_1, find_loop_nest): New.
4632 (compute_data_dependences_for_loop): Compute the loop nest, and give
4633 up if the nest is not well formed.
4634 * tree-data-ref.h (loop_p): New.
4635 (struct data_dependence_relation): Replace size_vect field with
4636 loop_nest, a vec of loops.
4637 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4638 (DDR_LOOP_NEST): New.
4639 (print_dir_vectors, print_dist_vectors,
4640 debug_data_dependence_relation): Declared.
4641 (index_in_loop_nest): New.
4642 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4643 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4644 distance.
4646 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4648 * simplify-rtx.c (simplify_relational_operation): Call
4649 simplify_relational_operation_1 even if mode is VOIDmode.
4651 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4653 PR tree-optimization/26804
4654 * tree.h (DECL_CALL_CLOBBERED): New macro.
4655 (tree_decl_common): Add call_clobbered_flag.
4656 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4657 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4658 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4659 (mark_non_addressable): Ditto.
4660 * tree-ssa.c (verify_call_clobbered): New function.
4661 (verify_alias_info): Use it.
4662 * tree-pass.h (pass_reset_cc_flags): New prototype.
4663 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4664 (reset_cc_flags): New function.
4665 * passes.c (init_optimization_passes): Call reset_cc_flags after
4666 initializing referenced_vars.
4668 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4669 Roger Sayle <roger@eyesopen.com>
4671 PR middle-end/26717
4672 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4673 to 1.0 for non-real operands. Implement A / A optimization for
4674 complex operands.
4676 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4678 * config/i386/i386.c (size_cost): Correct the comment for
4679 cost of storing fp registers.
4680 (i386_cost): Likewise.
4681 (i486_cost): Likewise.
4682 (pentium_cost): Likewise.
4683 (pentiumpro_cost): Likewise.
4684 (k6_cost): Likewise.
4685 (athlon_cost): Likewise.
4686 (k8_cost): Likewise.
4687 (pentium4_cost): Likewise.
4688 (nocona_cost): Likewise.
4689 (generic64_cost): Likewise.
4690 (generic32_cost): Likewise.
4692 2006-03-24 Denis Chertykov <denisc@overta.ru>
4694 * config/avr/avr-protos.h (extra_constraint): Delete.
4695 (extra_constraint_Q): New declaration.
4696 * config/avr/constraints.md: New file.
4697 * config/avr/avr.md: Include it.
4698 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4699 (TMP_REGNO, ZERO_REGNO): Likewise.
4700 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4701 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4702 (extra_constraint): Delete.
4703 (extra_constraint_Q): Test for memory constraint 'Q'.
4704 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4705 (REG_CLASS_FROM_LETTER): Delete.
4706 (CONST_OK_FOR_LETTER_P): Delete.
4707 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4708 (EXTRA_CONSTRAINT): Delete.
4709 (TMP_REGNO): Delete.
4710 (ZERO_REGNO): Delete.
4712 2006-03-24 Jeff Law <law@redhat.com>
4714 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4715 directly. Call mark_new_vars_to_rename slightly earlier.
4717 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4719 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4720 (is_cxx): Likewise.
4721 (gen_compile_unit_die): Use new language types for Objective-C and
4722 Objective-C++.
4723 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4724 DW_LANG_C_plus_plus.
4726 PR 26793
4727 * config/t-darwin (crt3.o): Work around bug 26840.
4728 * config/darwin-crt3.c: Rewrite.
4729 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4731 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4733 * doc/invoke.texi: Document -femit-class-debug-always
4734 * common.opt: Add -femit-class-debug-always.
4736 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4738 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4739 index and base register.
4740 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4741 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4742 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4743 REGNO_OK_FOR_INDEX_P.
4744 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4745 ADDR_REGNO_P.
4746 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4747 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4748 REG_OK_FOR_BASE_P): Definitions removed.
4750 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4752 PR middle-end/26611
4753 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4754 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4755 set yet or weren't marked as local yet.
4757 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4759 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4760 the compiler.
4762 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4764 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4765 (rs6000_legitimate_small_data_p): Delete.
4766 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4767 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4768 and make static. Add forward declaration. Update uses.
4769 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4770 of offsettable_memref_p.
4771 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4772 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4774 2006-03-24 Jeff Law <law@redhat.com>
4776 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4777 around bug in immediate-use iterator.
4779 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4781 PR target/26607
4782 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4783 or __LITTLE_ENDIAN__.
4785 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4787 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4788 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4789 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4790 * config/sh/sh.opt (mdiv=): Amend description.
4791 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4792 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4793 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4794 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4795 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4796 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4797 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4798 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4799 TARGET_DIVIDE_CALL_FP.
4801 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4803 * haifa-sched.c (choose_ready): Fix type of the local variable.
4804 Move local variables. Add comment.
4805 (check_reg_live): Change signature. Make callable from debugger.
4806 * sched-int.h (check_reg_live): Update signature.
4807 * sched-ebb.c (check_reg_live): Update parameters.
4808 * sched-rgn.c (check_reg_live): Ditto.
4809 (region_head_or_leaf_p): Check pointer before dereferencing.
4810 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4811 before reload on optimization levels below 1.
4813 2006-03-23 Richard Henderson <rth@redhat.com>
4815 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4816 tls symbols.
4818 PR target/26347
4819 * config/alpha/predicates.md (local_symbolic_operand): Reject
4820 weak symbols.
4822 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4824 PR tree-opt/26795
4825 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4826 expressions which have overflowed constants.
4828 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4830 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4832 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4834 * cfgloopmanip.c (create_loop_notes): Removed.
4835 * final.c (final_scan_insn): Do not handle loop notes.
4836 * jump.c (squeeze_notes): Ditto.
4837 * cfglayout.c (skip_insns_after_block,
4838 duplicate_insn_chain): Ditto.
4839 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4840 create_loop_notes.
4841 * cfgloop.h (create_loop_notes): Declaration removed.
4843 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4845 * varasm.c (output_constant_pool): Restore fnname and fndecl
4846 arguments.
4847 (assemble_start_function): Adjust call accordingly.
4848 (assemble_end_function): Likewise.
4850 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4852 PR mudflap/26789
4853 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4855 PR mudflap/26790
4856 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4858 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4860 PR driver/22600
4861 * system.h (ICE_EXIT_CODE): New macro.
4862 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4863 (diagnostic_action_after_output): Likewise.
4864 * gcc.c (fatal_ice): New function.
4865 (execute): Use it instead of fatal.
4866 (fancy_abort): Likewise.
4867 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4869 2006-03-22 Jeff Law <law@redhat.com>
4871 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4872 iv_analyze_result returning false.
4874 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4876 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4878 2006-03-22 Richard Henderson <rth@redhat.com>
4880 PR middle-end/26084
4881 * except.c (duplicate_eh_regions_0): New.
4882 (duplicate_eh_region_1): Duplicate the children of the node as
4883 well as the node itself. Link them up properly.
4884 (duplicate_eh_region_2): Merge into ...
4885 (duplicate_eh_regions): ... here. Take copy_region argument, and
4886 copy only a sub-tree if asked. Simplify copying and fixup.
4887 (eh_region_outer_p): New.
4888 * except.h (duplicate_eh_regions): Update decl.
4889 (eh_region_outer_p): Declare.
4890 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4891 (lower_omp_master): Likewise.
4892 (lower_omp_ordered): Likewise.
4893 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4894 (move_stmt_r): Use it to remap labels. Handle recursion vs
4895 remap_decls_p properly.
4896 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4897 (find_outermost_region_in_block): New.
4898 (new_label_mapper): New.
4899 (move_sese_region_to_fn): Copy eh information to the new function
4900 properly.
4901 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4902 argument.
4903 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4904 number.
4906 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4908 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4909 into shared libraries.
4911 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4913 * doc/md.texi: Refer to i386/constraints.md instead of
4914 i386/predicates.md.
4915 * config/i386/constraints.md: New file, extracted from...
4916 * config/i386/predicates.md: ...here.
4917 * config/i386/i386.md: Include constraints.md.
4919 2006-03-21 Jason Merrill <jason@redhat.com>
4921 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4923 PR middle-end/20297
4924 * expr.c (init_block_move_fn): Force default visibility.
4925 (init_block_clear_fn): Likewise.
4926 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4927 * targhooks.c (default_external_stack_protect_fail): Likewise.
4929 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4931 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4932 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4933 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4934 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4935 (loadgp): Use mips_current_loadgp_style.
4936 (loadgp_noshared): New pattern.
4937 (sibcall_internal): Use MIPS_CALL.
4938 (sibcall_value_internal): Likewise.
4939 (sibcall_value_multiple_internal): Likewise.
4940 (call_internal): Likewise.
4941 (call_value_internal): Likewise.
4942 (call_value_multiple_internal): Likewise.
4943 (call_split): Use MIPS_CALL and add an 'S' constraint.
4944 (call_value_split): Likewise.
4945 (call_value_multiple_split): Likewise.
4946 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4947 (-mshared): New option.
4948 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4949 (mips_current_loadgp_style): Declare.
4950 * config/mips/mips.c (mips_classify_symbol): Avoid using
4951 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4952 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4953 TARGET_ABSOLUTE_ABICALLS.
4954 (override_options): Adjust comments. Improve the warning that is
4955 issued when -mabicalls and -G are used together.
4956 (mips_file_start): Remove comment.
4957 (mips_current_loadgp_style): New function.
4958 (mips_gnu_local_gp): New variable.
4959 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4960 LOADGP_ABSOLUTE.
4961 (mips_output_function_prologue): Use mips_current_laodgp_style.
4962 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4963 the cprestore instruction.
4964 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4965 live for TARGET_ABSOLUTE_ABICALLS.
4966 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4967 (ASM_SPEC): Pass down -mshared and -mno-shared.
4968 (MIPS_CALL): New macro.
4969 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4970 definition.
4971 * doc/invoke.texi (-mabicalls): Update documentation.
4972 (-mshared): Document.
4974 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4976 * config/ia64/unwind-hpux.c: New file.
4977 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4979 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4981 PR libgomp/26384
4982 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4984 2006-03-21 Jeff Law <law@redhat.com>
4986 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4987 type conversions of a VR_VARYING source to a wider type.
4989 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4991 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4992 tm_file on Solaris 10 and later.
4993 (sparc64-*-solaris2*): Likewise.
4994 (sparc-*-solaris2*): Likewise.
4995 * config/sol26.h: Rename to config/sol2-6.h.
4996 * config/sol2-10.h: New file.
4998 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5000 PR tree-opt/26781
5001 * tree-ssa-pre.c (create_component_ref_by_pieces):
5002 Handle STRING_CST.
5004 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5006 PR c++/26690
5007 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5008 return it immediately.
5010 2006-03-21 Michael Matz <matz@suse.de>
5012 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5013 New members.
5014 (remove_arc, add_arc): Update num_out_arcs member.
5015 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5016 of out arcs.
5017 (cache_presence): New function.
5018 (compare_states_for_equiv): New function.
5019 (state_is_differed): Don't take number of outargs, adjust callers.
5020 Use new invariant for speeding up.
5021 (init_equiv_class): Create initial classes based on sorted
5022 input.
5023 (partition_equiv_class): Don't track out_arcs_num.
5024 (evaluate_equiv_classes): Call cache_presence on all states and
5025 sort them.
5027 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5029 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5030 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5031 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5032 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5033 callers changed.
5034 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5035 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5036 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5037 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5038 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5039 macros.
5040 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5041 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5042 (REGNO_REG_CLASS): ARGP is in PREGS.
5043 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5044 IREGS.
5045 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5046 to deal with those addresses.
5047 * addresses.h: New file.
5048 * caller-save.c: Include "addresses.h".
5049 (init_caller_save): Use new base_reg_class function.
5050 * rtl-factoring.c: Include "addresses.h".
5051 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5052 * recog.c: Include "addresses.h".
5053 (preprocess_constraints): Use new base_reg_class function.
5054 * regrename.c: Include "addresses.h".
5055 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5056 functions. Keep track of a new var INDEX_CODE to compute valid
5057 classes.
5058 (replace_oldest_value_addr): Likewise.
5059 (replace_oldest_value_mem): Use base_reg_class.
5060 * reload.c: Include "addresses.h".
5061 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5062 (find_reloads): Use new base_reg_class function.
5063 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5064 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5065 all callers and prototype changed.
5066 * reload1.c: Include "addresses.h".
5067 (maybe_fix_stack_asms): Use base_reg_class.
5068 * regclass.c: Include "addresses.h".
5069 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5070 (init_reg_autoinc): Use new base_reg_class function.
5071 (record_reg_classes): Likewise.
5072 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5073 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5074 Use new args to compute necessary class.
5076 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5077 regrename.o, rtl-factoring.o): Update dependencies.
5078 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5079 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5080 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5081 REG_OK_FOR_INDEX_P): Delete documentation.
5083 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5085 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5086 from V7 to V9 for Solaris 7 and above.
5088 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5090 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5091 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5092 argument pointers may not alias any other storage.
5093 * common.opt: Define option -fargument-noalias-anything.
5094 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5095 alias semantics is specified by flag_argument_noalias > 2.
5097 2006-03-20 Jeff Law <law@redhat.com>
5099 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5100 (pass_phi_only_cprop): Declare.
5101 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5102 with phi_only_cprop
5103 * tree-ssa-dom.c (degenerate_phi_result): New function.
5104 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5105 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5106 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5107 (eliminate_degenerate_phis): Likewise.
5108 (pass_phi_only_cprop): New pass descriptor.
5109 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5110 support code. Callers updated.
5111 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5112 (store_copy_prop): Likewise.
5113 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5115 2006-03-20 Jason Merrill <jason@redhat.com>
5117 PR c++/21764
5118 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5119 (push_visibility, pop_visibility): Likewise.
5120 * c-pragma.h: Declare them.
5122 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5124 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5126 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5127 parameter and use get_ebb_head_tail.
5128 (sh_md_init_global): Adjust uses of find_regmode_weight.
5130 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5132 * function.h (struct function) <x_tail_recursion_reentry>:
5133 Rename to x_stack_check_probe_note.
5134 (tail_recursion_reentry): Rename to stack_check_probe_note.
5135 * function.c: Replace tail_recursion_reentry with
5136 stack_check_probe_note everywhere.
5137 (expand_function_start): Only emit a note for
5138 stack_check_probe_note with -fstack-protect.
5139 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5141 * emit-rtl.c (remove_unnecessary_notes): Remove.
5142 (pass_remove_unnecessary_notes): Remove.
5143 * rtl.h (remove_unnecessary_notes): Remove prototype.
5144 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5145 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5146 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5148 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5150 PR tree-opt/26629
5151 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5152 (valid_in_set): Handle ARRAY_REF.
5153 Change "if min_variant or VH" to asserts.
5154 (create_component_ref_by_pieces): Handle ARRAY_REF.
5155 (create_expression_by_pieces): Likewise.
5156 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5158 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5160 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5161 is operand of switch, not str[0].
5163 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5165 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5166 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5168 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5170 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5171 end of insn_extra_address_constraint declaration.
5173 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5175 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5176 (no-sum-in-toc): Same.
5177 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5178 variables.
5179 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5180 NO_FP_IN_TOC for -fPIC instead of mask.
5182 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5183 (BOOT_LDFLAGS): Delete.
5184 (LDFLAGS): Delete.
5185 * config/rs6000/t-aix52: Same.
5187 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5188 (stmsi[345678]_power): New.
5190 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5192 * config/ia64/ia64.opt: Add empty line to end of file.
5194 2006-03-17 Richard Guenther <rguenther@suse.de>
5196 PR middle-end/26721
5197 * builtins.c (get_pointer_alignment): For component style references
5198 adjust alignment to the component type alignment. Make sure
5199 to adjust alignment for component access of constants.
5201 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5203 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5204 unconditional jump.
5206 2006-03-17 Paul Brook <paul@codesourcery.com>
5208 * doc/install.texi: Docuemnt --with-mode.
5209 * config.gcc: Add --with-mode for arm*-*-*.
5210 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5212 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5214 * sh.c (max_labelno_before_reorg): New variable.
5215 (sh_reorg): Initialize it.
5216 (find_barrier): Check max_labelno_before_reorg before using
5217 label_to_alignment. Take length of explicit alignment insns
5218 into account. When seeing a UNSPECV_CONST_END, return it.
5220 * sh.c (fixup_mova): Set mode of affected label to QImode.
5221 (untangle_mova): New function.
5222 (find_barrier): Use it. Check mode of label before decrementing
5223 num_mova.
5224 (sh_reorg): Likewise.
5225 Set mode of all insns back to VOIDmode.
5227 * sh.c (MOVA_LABELREF): New macro.
5228 (mova_p, fixup_mova, sh_reorg): Use it.
5229 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5230 ADDR_DIFF_VEC matches mova.
5232 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5234 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5235 with ATTRIBUTE_UNUSED.
5237 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5239 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5240 pointer, instead of assuming it is possible to derive the
5241 correct args size from a call insn.
5243 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5245 * rtl.h (CONST_INT_P): Define.
5246 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5247 instead of GET_CODE(x) == CONST_INT.
5248 (vax_rtx_costs): Likewise.
5249 (vax_output_int_move): Likewise.
5250 (vax_output_int_add): Likewise.
5251 (legitimate_constant_address_p): Likewise.
5252 (index_term_p): Likewise.
5253 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5254 * config/vax/vax.md (and<mode>3): Likewise.
5255 (ashrsi3): Likewise.
5256 (extv): Likewise.
5257 (movstricthi): Likewise.
5258 (movstrictqi): Likewise.
5259 (rotrsi3): Likewise.
5260 (five unnamed insns): Likewise.
5262 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5264 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5265 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5266 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5267 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5268 Pass to ASM_OUTPUT_DWARF_OFFSET.
5269 * dwarf2out.c (debug_frame_section): New.
5270 (output_call_frame_info): Use debug_frame_section. Pass it to
5271 dw2_asm_output_offset.
5272 (output_die): Pass appropriate section to dw2_asm_output_offset.
5273 (output_compilation_unit_header): Likewise.
5274 (output_pubnames): Likewise.
5275 (output_aranges): Likewise.
5276 (enum dw_val_class): Break dw_val_class_lbl_offset into
5277 dw_val_class_lineptr and dw_val_class_macptr.
5278 (add_AT_lbl_offset): Delete.
5279 (add_AT_lineptr): New.
5280 (add_AT_macptr): New.
5281 (AT_lbl): Expect a lineptr or macptr.
5282 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5283 (attr_checksum): Likewise.
5284 (same_dw_val_p): Likewise.
5285 (size_of_die): Likewise.
5286 (value_format): Likewise.
5287 (output_die): Likewise.
5288 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5289 add_AT_lbl_offset.
5290 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5291 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5292 * config/darwin-protos.h (darwin_file_start): New.
5293 (darwin_asm_output_dwarf_offset): New.
5294 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5295 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5296 darwin_file_start.
5297 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5298 if not EH section; simplify.
5299 (darwin_file_start): New.
5300 (darwin_asm_output_dwarf_offset): New.
5301 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5302 mark as 'debug'.
5303 (DEBUG_INFO_SECTION): Likewise.
5304 (DEBUG_ABBREV_SECTION): Likewise.
5305 (DEBUG_ARANGES_SECTION): Likewise.
5306 (DEBUG_MACINFO_SECTION): Likewise.
5307 (DEBUG_LINE_SECTION): Likewise.
5308 (DEBUG_LOC_SECTION): Likewise.
5309 (DEBUG_PUBNAMES_SECTION): Likewise.
5310 (DEBUG_STR_SECTION): Likewise.
5311 (DEBUG_RANGES_SECTION): Likewise.
5312 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5313 (ASM_OUTPUT_DWARF_OFFSET): New.
5315 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5317 * config.gcc (tm_defines): Always add to previous value rather
5318 than replacing it.
5320 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5322 * config/mips/predicates.md (splittable_const_int_operand): New,
5323 split from move_operand.
5324 (splittable_symbolic_operand): New.
5325 (move_operand): Add commentary. Use splittable_const_int_operand.
5326 Inline mips_atomic_symbolic_constant_p.
5327 * config/mips/mips.md: Add combine splitters for handling moves
5328 of splittable_const_int_operands and splittable_symbolic_operands.
5329 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5330 (mips_split_symbol): Declare.
5331 (mips_move_integer): Declare.
5332 * config/mips/mips.c (mips_split_p): Make global.
5333 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5334 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5335 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5336 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5337 (mips_offset_within_object_p): Handle block symbols.
5338 (mips_atomic_symbolic_constant_p): Delete.
5339 (mips_cannot_force_const_mem): Return false for constants that
5340 mips_legitimize_move can handle.
5341 (mips_use_blocks_for_constant_p): New function.
5342 (mips_split_symbol): Make global.
5343 (mips_move_integer): Likewise. Add a temporary register argument.
5344 (mips_legitimize_const_move): Use splittable_const_int_operand and
5345 splittable_symbolic_operand.
5346 (mips_use_anchors_for_symbol_p): New function.
5347 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5348 (mips_split_p): Declare.
5350 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5352 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5353 (mips*-*-linux*): Likewise.
5355 2006-03-16 Roger Sayle <roger@eyesopen.com>
5356 Daniel Speyer <dspeyer@wam.umd.edu>
5358 PR middle-end/18259
5359 * tree-dump.c (dump_real): New function.
5360 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5361 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5362 (tree-dump.o): Add $(REAL_H) to the dependencies.
5364 2006-03-16 Roger Sayle <roger@eyesopen.com>
5366 PR middle-end/21781
5367 * real.c (real_from_string): If the mantissa is zero, don't bother
5368 parsing the exponent as the result should always be zero.
5370 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5372 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5374 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5376 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5377 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5378 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5379 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5380 ia64_sched_finish_global): New static functions to implement
5381 hooks from gcc_target.sched.
5382 (spec_check_no, max_uid, pending_data_specs): New static variables.
5383 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5384 ia64_spec_check_src_p): New static functions.
5385 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5386 (TARGET_SCHED_ADJUST_COST): Removed.
5387 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5388 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5389 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5390 TARGET_SCHED_GEN_CHECK,
5391 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5392 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5393 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5394 Fixed to handle speculation checks.
5395 (rtx_needs_barrier): Fixed to handle speculative loads and
5396 their checks.
5397 (ia64_variable_issue): Added code to count speculative loads and their
5398 checks.
5399 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5400 speculative loads.
5401 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5402 New enumerations.
5403 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5404 New constants.
5405 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5406 (ia64_reorg): Reset stops_p to NULL after it is freed.
5407 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5408 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5409 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5410 chk_a.
5411 (data_speculative, control_speculative, check_load): New attributes.
5412 (mov<mode>_advanced, mov<mode>_speculative,
5413 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5414 zero_extend<mode>di2_speculative,
5415 zero_extend<mode>di2_speculative_advanced): New patterns for
5416 data and control speculative loads.
5417 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5418 check loads.
5419 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5420 New pattern for data and control speculation checks.
5421 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5422 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5423 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5424 Auxiliary definitions for the patterns.
5425 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5426 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5427 constraints.
5428 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5429 for speculation.
5430 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5431 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5432 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5433 New resource constraints.
5434 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5435 for speculation.
5436 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5437 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5438 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5439 msched-in-control-spec, msched-ldc, msched-control-ldc,
5440 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5441 msched-prefer-non-control-spec-insns,
5442 msched-count-spec-in-critical-path): New flags to tune speculative
5443 scheduling.
5444 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5445 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5446 msched-in-control-spec, msched-ldc, msched-control-ldc,
5447 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5448 msched-prefer-non-control-spec-insns,
5449 msched-count-spec-in-critical-path): Document new flags.
5451 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5453 * target.h (struct spec_info_def): New opaque declaration.
5454 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5455 speculate_insn, needs_block_p, gen_check,
5456 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5457 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5458 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5459 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5460 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5461 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5462 gcc_target.sched.
5463 (TARGET_SCHED): Use new macros.
5464 * rtl.h (copy_DEPS_LIST_list): New prototype.
5465 * sched-int.h (struct sched_info): Change signature of new_ready field,
5466 adjust all initializations. New fields: add_remove_insn,
5467 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5468 region_head_or_leaf_p.
5469 (struct spec_info_def): New structure declaration.
5470 (spec_info_t): New typedef.
5471 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5472 recovery_block, orig_pat.
5473 (glat_start, glat_end): New variables declaraions.
5474 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5475 New access macros.
5476 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5477 DETACH_LIFE_INFO, USE_GLAT.
5478 (enum SPEC_SCHED_FLAGS): New enumeration.
5479 (NOTE_NOTE_BB_P): New macro.
5480 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5481 attach_life_info, debug_spec_status, check_reg_live): New functions.
5482 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5483 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5484 sched-ebb.c
5485 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5486 * ddg.c (get_block_head_tail): Adjust all uses.
5487 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5488 (sms_sched_info): Initialize new fields.
5489 (contributes_to_priority): Removed.
5490 * haifa-sched.c (params.h): New include.
5491 (get_block_head_tail): Adjust all uses.
5492 (ISSUE_POINTS): New macro.
5493 (glat_start, glat_end): New global variables.
5494 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5495 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5496 old_last_basic_block, before_recovery, current_sched_info_var,
5497 rgn_n_insns, luid): New static variables.
5498 (insn_cost1): New function. Move logic from insn_cost to here.
5499 (find_insn_reg_weight1): New function. Move logic from
5500 find_insn_reg_weight to here.
5501 (reemit_notes, move_insn, max_issue): Change signature.
5502 (move_insn1): Removed.
5503 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5504 extend_bb): New static functions to support extension of scheduler's
5505 data structures.
5506 (generate_recovery_code, process_insn_depend_be_in_spec,
5507 begin_speculative_block, add_to_speculative_block,
5508 init_before_recovery, create_recovery_block, create_check_block_twin,
5509 fix_recovery_deps): New static functions to support
5510 generation of recovery code.
5511 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5512 restore_bb_notes, move_block_after_check, move_succs): New static
5513 functions to support ebb scheduling.
5514 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5515 functions to support handling of register live information.
5516 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5517 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5518 add_jump_dependencies): New static functions.
5519 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5520 consistancy checking.
5521 (debug_spec_status): New function to call from debugger.
5522 (priority): Added code to handle speculation checks.
5523 (rank_for_schedule): Added code to distinguish speculative instructions.
5524 (schedule_insn): Added code to handle speculation checks.
5525 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5526 Fixed to handle ebbs.
5527 (move_insn): Added code to handle ebb scheduling.
5528 (max_issue): Added code to use ISSUE_POINTS of instructions.
5529 (choose_ready): Added code to choose between speculative and
5530 non-speculative instructions.
5531 (schedule_block): Added code to handle ebb scheduling and scheduling of
5532 speculative instructions.
5533 (sched_init): Initialize new variables.
5534 (sched_finish): Free new variables. Print statistics.
5535 (try_ready): Added code to handle speculative instructions.
5536 * lists.c (copy_DEPS_LIST_list): New function.
5537 * sched-deps.c (extend_dependency_caches): New function. Move logic
5538 from create_dependency_caches to here.
5539 (get_dep_weak, ds_merge): Make global.
5540 * genattr.c (main): Code to output prototype for
5541 dfa_clear_single_insn_cache.
5542 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5543 (output_dfa_clean_insn_cache_func): Code to output
5544 dfa_clear_single_insn_cache function.
5545 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5546 n_insns.
5547 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5548 Removed.
5549 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5550 New static variables.
5551 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5552 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5553 struct sched_info.
5554 (ebb_sched_info): Initialize new fields.
5555 (get_block_head_tail): Adjust all uses.
5556 (compute_jump_reg_dependencies): Fixed to use glat_start.
5557 (schedule_ebb): Code to remove unreachable last block.
5558 (schedule_ebbs): Added code to update register live information.
5559 * sched-rgn.c (region_sched_info): Initialize new fields.
5560 (get_block_head_tail): Adjust all uses.
5561 (last_was_jump): Removed. Adjust users.
5562 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5563 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5564 Implement new hooks.
5565 (check_dead_notes1): New static function.
5566 (struct region): New fields: dont_calc_deps, has_real_ebb.
5567 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5568 (BB_TO_BLOCK): Fixed to handle EBBs.
5569 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5570 (ebb_head): New static variable.
5571 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5572 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5573 new fields.
5574 (compute_dom_prob_ps): New assertion.
5575 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5576 global_live_at_start.
5577 (init_ready_list): New assertions.
5578 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5579 (new_ready): Add support for BEGIN_CONTROL speculation.
5580 (schedule_insns): Fixed code that updates register live information
5581 to handle EBBs.
5582 (schedule_region): Fixed to handle EBBs.
5583 (init_regions): Use extend_regions and check_dead_notes1.
5584 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5585 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5586 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5587 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5588 TARGET_SCHED_GEN_CHECK,
5589 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5590 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5591 * doc/invoke.texi (max-sched-insn-conflict-delay,
5592 sched-spec-prob-cutoff): Document.
5594 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5596 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5597 inter_tick, queue_index.
5598 (struct sched_info): Change signature of init_ready_list field.
5599 Adjust all initializations.
5600 (RESOLVED_DEPS): New access macro.
5601 (ready_add): Remove prototype.
5602 (try_ready): Add prototype.
5603 * sched-rgn.c (init_ready_list): Use try_ready.
5604 (schedule_region): Initialize
5605 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5606 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5607 (init_ready_list): Use try_ready.
5608 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5609 * lists.c (remove_list_elem): Remove `static'.
5610 (remove_free_INSN_LIST_elem): New function.
5611 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5612 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5613 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5614 New constants.
5615 (readyp): New variable.
5616 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5617 change_queue_index, resolve_dep): New static functions.
5618 (try_ready): New function. Adjust callers in sched-rgn.c and
5619 sched-ebb.c to use it instead of ready_add.
5620 (clock_var): Move at the begining of file.
5621 (rank_for_schedule): Fix typo.
5622 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5623 (ready_lastpos): Enforce assertion.
5624 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5625 update all callers.
5626 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5627 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5628 (queue_to_ready): Use free_INSN_LIST_list.
5629 (early_queue_to_ready): Fix typo.
5630 (schedule_block): Init readyp. Move init_ready_list call after the
5631 initialization of clock_var. Fix error in rejecting insn by
5632 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5633 that previously corrected INSN_TICKs. Add code for handling
5634 QUEUE_INDEX.
5635 (set_priorities): Fix typo.
5636 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5637 Clarify comment and code that keeps current_sched_info->next_tail
5638 non-null.
5640 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5642 * sched-rgn.c (extend_rgns): New static function.
5643 (find_rgns): Use it.
5644 (gather_region_statistics, print_region_statistics): New static
5645 functions.
5646 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5647 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5649 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5650 Andrey Belevantsev <abel@ispras.ru>
5652 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5653 * lists.c (unused_deps_list): New variable.
5654 (free_list): Add assertions to verify the proper distinguishing
5655 between INSN_LISTs and DEPS_LISTs.
5656 (find_list_elem, remove_list_elem, remove_list_node): New static
5657 functions.
5658 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5659 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5660 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5661 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5662 an INSN_LIST.
5663 (free_INSN_LIST_node): Likewise.
5664 * modulo-sched.c (current_sched_info): Initialize flags field.
5665 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5666 * rtl.def (DEPS_LIST): Define.
5667 * rtl.h: Declare new functions from lists.c.
5668 * sched-deps.c (spec_dependency_cache): New static variable.
5669 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5670 (add_dependence): Change return type to void. Move the logic to ...
5671 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5672 (delete_all_dependences): Add comment about forward_dependency_cache.
5673 Handle spec_dependency_cache. Handle DEPS_LISTs.
5674 (fixup_sched_groups): Clarify the change of priority of output
5675 and anti dependencies.
5676 (sched_analyze_2): Adjust add_dependence calls to create data
5677 speculative dependence.
5678 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5679 Adjust all callers. Handle DEPS_LISTS.
5680 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5681 presence of speculation.
5682 (init_dependency_caches, free_dependency_caches):
5683 Handle spec_dependency_cache.
5684 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5685 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5686 New static functions.
5687 (add_or_update_back_dep, add_or_update_back_forw_dep,
5688 add_back_forw_dep, delete_back_forw_dep): New functions.
5689 * sched-int.h (ds_t, dw_t): New typedefs.
5690 (struct sched_info): Add new field flags.
5691 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5692 Prototype new sched-deps.c functions.
5693 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5694 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5695 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5696 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5697 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5698 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5699 New constants.
5700 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5701 New enums.
5702 * sched-rgn.c (current_sched_info): Initialize flags field.
5703 (schedule_insns): Initialize current_sched_info before the sched_init
5704 call.
5705 * sched-ebb.c (current_sched_info): Initialize flags field.
5706 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5707 Call add_or_update_back_dep instead of add_dependence.
5708 Create control speculative dependencies.
5709 (schedule_insns): Initialize current_sched_info before the sched_init
5710 call.
5712 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5714 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5715 fs->signal_frame.
5716 (sh_fallback_frame_state): Likewise.
5718 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5720 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5721 Do switch on default_use_cxa_atexit.
5722 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5723 * config/darwin-crt3.o: New.
5724 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5725 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5726 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5727 OS version.
5728 * config/rs6000/t-darwin: Move crt2.o building to here.
5729 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5730 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5731 of __cxa_atexit.
5733 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5735 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5736 from '! xxx' to '!xxx' for coding-style conformance.
5737 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5738 (EXTRA_CONSTRAINT): Likewise.
5739 * config/vax/vax.md (four unnamed insns): Likewise.
5741 2006-03-15 Paul Brook <paul@codesourcery.com>
5743 * config/arm/arm.c (minipool_pad): New.
5744 (add_minipool_forward_ref): Include pool alignment padding in address
5745 calculation.
5746 (push_minipool_fix): Set minipool_pad.
5747 (minipool_pad): Ditto.
5749 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5751 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5752 instead of GET_CODE() == MEM and REG_P() instead of
5753 GET_CODE() == REG.
5754 (print_operand_address): Likewise.
5755 (vax_address_cost): Likewise.
5756 (vax_rtx_costs): Likewise.
5757 (vax_notice_update_cc): Likewise.
5758 (vax_output_int_add): Likewise.
5759 (INDEX_REGISTER_P): Likewise.
5760 (BASE_REGISTER_P): Likewise.
5761 (nonindexed_address_p): Likewise.
5762 (vax_mode_dependent_address_p): Likewise.
5763 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5764 (PRINT_OPERAND): Likewise.
5765 * config/vax/vax.md (ashlsi3): Likewise.
5766 (ashlsi3): Likewise.
5767 (some more unnamed insns): Likewise.
5769 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5771 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5772 iterator-style macro.
5773 (mark_control_dependent_edges_necessary): Update the use of
5774 EXECUTE_IF_CONTROL_DEPENDENT.
5776 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5778 * config/sh/predicates.md (cache_address_operand): Special.
5779 (ua_address_operand): Likewise.
5781 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5783 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5784 loop notes.
5785 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5787 2006-03-15 Andreas Schwab <schwab@suse.de>
5789 * gensupport.c (identify_predicable_attribute): Don't free p_false
5790 when it is still in use.
5792 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5794 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5795 the default setting here.
5797 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5799 * tree-pass.h (pass_cfg): Remove.
5800 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5801 * passes.c (pass_cfg): Don't run it.
5803 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5805 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5806 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5807 VEC(char,heap) *.
5808 (stack_regs_mentioned): Update the uses of
5809 stack_regs_mentioned_data. Don't access the array beyond its
5810 end.
5811 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5812 Don't include gt-reg-stack.h.
5814 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5815 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5817 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5819 PR middle-end/26684
5820 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5821 STACK_REGS.
5823 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5825 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5827 2006-03-14 Richard Guenther <rguenther@suse.de>
5829 PR tree-optimization/26672
5830 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5831 SSA form.
5833 2006-03-14 Richard Guenther <rguenther@suse.de>
5835 PR tree-optimization/26667
5836 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5837 node for the callees. Always allow inlining if it will shrink
5838 the function size.
5840 2006-03-14 Richard Guenther <rguenther@suse.de>
5842 PR middle-end/26659
5843 * builtins.c (get_pointer_alignment): Prefer alignment
5844 information from decls over that from types.
5846 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5848 PR target/26657
5849 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5851 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5853 * config/rs6000/rs6000.opt (mdlmzb): New option.
5854 (msched-prolog, msched-epilog): Use Var not Mask.
5855 * doc/invoke.texi (-mdlmzb): Document.
5856 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5857 MASK_SCHED_PROLOG.
5858 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5859 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5861 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5863 PR rtl-optimization/25739
5864 * bt-load.c (augment_live_range): Free tos pointer.
5866 * gensupport.c (identify_predicable_attribute): Free
5867 p_false pointer.
5868 * gcov.c (create_file_names): Free name pointer.
5870 2006-03-13 Roger Sayle <roger@eyesopen.com>
5872 PR middle-end/26557
5873 * stmt.c (emit_case_nodes): Handle the case where the index is a
5874 CONST_INT, where the comparison mode is specified by the index type.
5876 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5878 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5879 is defined.
5881 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5883 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5884 (*branch_fp_inverted): Likewise.
5886 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5888 PR middle-end/25989
5889 * omp-low.c (expand_omp_for_generic): Mark istart0
5890 and iend0 as addressable.
5892 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5894 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5896 2006-03-13 Jeff Law <law@redhat.com>
5898 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5899 virtual operands are interesting.
5900 (vrp_visit_stmt): Corresponding changes.
5902 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5904 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5905 of RETS.
5906 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5907 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5908 * config/bfin/crti.S: Use it instead of __PIC__.
5909 * config/bfin/crtn.S: Likewise.
5911 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5912 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5913 not if flag_pic.
5914 Lose 'G' modifier for call operand.
5915 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5916 recognize 'G' modifier.
5918 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5920 PR middle-end/18859
5921 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5922 * stmt.c (expand_case): Likewise.
5924 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5926 PR rtl-optimization/26254
5927 * loop-invariant.c (seq_insns_valid_p): New function.
5928 (move_invariant_reg): Only emit new code if it is valid.
5930 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5932 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5933 Removed.
5934 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5935 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5936 (commit_one_edge_insertion): Do not look for loop notes.
5938 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5940 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5941 flag_test_coverage out of loop.
5943 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5945 * final.c (shorten_branches): Remove outdated comment, and turn
5946 the if branch that guards it to continue.
5948 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5950 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5951 * cfgloop.h (struct loop): Remove unused fields.
5953 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5955 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5956 (-dL, -fdump-rtl-loop2): Update the dump file names
5958 * doc/invoke.texi: Update dump file names.
5960 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5962 * predict.c (estimate_probability): Remove.
5963 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5964 * basic-block.h (estimate_probability): Remove prototype.
5965 * passes.c (finish_optimization_passes): Dump branch prediction or
5966 profiling heuristics to the .profile tree dump.
5967 (init_optimization_passes): Unqueue pass_branch_prob.
5969 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5971 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5973 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5974 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5976 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5978 * function.h (frame_offset_overflow): Declare.
5979 * function.c (frame_offset_overflow): New function.
5980 (assign_stack_local_1): Call it to detect that the offset overflows.
5981 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5983 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5985 * config/sh/sh.c: Include alloc-pool.h.
5986 (label_ref_list_pool): New alloc pool.
5987 (label_ref_list_t): New type for lists of labels.
5988 (struct pool_node): Make wend a label_ref_list_t.
5989 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5990 references.
5991 (dump_table): Likewise.
5992 (sh_reorg): Set up the alloc pool before using add_constant and
5993 dump_table, and destroy it when finishing.
5995 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5997 * config/mips/mips.c: Remove redundant comment.
5999 2006-03-10 Jason Merrill <jason@redhat.com>
6001 PR c/26004
6002 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6003 the target was declared 'register'.
6005 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6007 * genpreds.c (write_insn_constraint_len): Change definition of
6008 insn_constraint_len to return size_t to match the declaration.
6010 2006-03-10 DJ Delorie <dj@redhat.com>
6012 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6013 start at zero.
6014 (m32c_expand_insv): Fix test for an AND mask.
6016 2006-03-10 Richard Guenther <rguenther@suse.de>
6018 PR middle-end/26565
6019 * builtins.c (get_pointer_alignment): Handle component
6020 references for field alignment.
6022 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6024 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6025 when building with libgloss.
6026 (sh*elf): Implement --without-fp option.
6027 (sh64-superh-linux*): Don't multilib.
6029 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6031 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6033 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6035 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6036 Set it when one of the replacement functions returned true.
6037 Return TODO_cleanup_cfg if cfgchanged is true.
6038 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6040 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6042 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6043 instead of gen_lowpart.
6045 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6047 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6048 interface.
6049 (mips_output_order_conditional_branch): Declare.
6050 * config/mips/mips.h (MIPS_BRANCH): New macro.
6051 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6052 for the comparison. Use gen_condjump.
6053 (mips_output_conditional_branch): Rework interface to take the
6054 asm templates for a direct branch and the inverse of a direct branch.
6055 (mips_output_order_conditional_branch): New function.
6056 (mips_builtin_branch_and_move): New function.
6057 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6058 branch condition. Use gen_single_cc as the condition for
6059 __builtin_mips_upper_* or __builtin_mips_lower_*.
6060 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6061 Use VOIDmode for the branch condition.
6062 * config/mips/predicates.md (order_operator): New predicate.
6063 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6064 (branch_fp): Rename to...
6065 (*branch_fp): ...this. Remove mode from comparison operator.
6066 Use new mips_output_conditional_branch interface.
6067 (branch_fp_inverted): Rename to...
6068 (*branch_fp_inverted): ...this and update as for *branch_fp.
6069 (*branch_zero<mode>): Rename to...
6070 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6071 Use mips_output_order_conditional_branch. Only accept ordered
6072 comparisons.
6073 (*branch_zero<mode>_inverted): Rename to...
6074 (*branch_order<mode>_inverted): ...this and update as for
6075 *branch_order<mode>.
6076 (*branch_equality<mode>): Accept zero as the second operand to
6077 the equality operator. Use the new mips_output_conditional_branch
6078 interface.
6079 (*branch_equality<mode>_inverted): Likewise.
6080 (condjump): New expander.
6081 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6082 operator.
6083 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6084 (bc1any2t, bc1any2f): Likewise.
6085 (single_cc): New expander.
6086 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6088 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6090 * doc/md.texi: Update documentation of MIPS constraints.
6091 * config/mips/constraints.md: New file.
6092 * config/mips/mips.md: Include it.
6093 * config/mips/mips.c (mips_char_to_class): Delete.
6094 (override_options): Don't initialize mips_char_to_class.
6095 * config/mips/mips.h (mips_char_to_class): Delete.
6096 (REG_CLASS_FROM_LETTER): Delete.
6097 (CONST_OK_FOR_LETTER_P): Delete.
6098 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6099 (EXTRA_CONSTRAINT_Y): Delete.
6100 (EXTRA_CONSTRAINT_STR): Delete.
6101 (CONSTRAINT_LEN): Delete.
6102 (EXTRA_MEMORY_CONSTRAINT): Delete.
6104 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6106 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6107 original fn's eh regions.
6109 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6111 * fold-const.c (build_range_check): Make sure to use a valid type to
6112 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6113 transformation.
6115 (range_predecessor): New static function.
6116 (range_successor): Likewise.
6117 (merge_ranges): Use them to compute predecessors and successors of
6118 range bounds.
6120 2006-03-09 Roger Sayle <roger@eyesopen.com>
6122 PR middle-end/26561
6123 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6124 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6126 2006-03-08 DJ Delorie <dj@redhat.com>
6128 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6129 (addpsi3): Expand to include memory operands. Remove
6130 reload-specific splits.
6131 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6132 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6133 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6134 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6135 (shift1_qi, shift1_hi, insv): New.
6136 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6137 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6138 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6139 cond_to_int): New.
6140 * config/m32c/m32c-protos.h: Update as needed.
6141 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6142 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6143 Fail for unrecognized R* constraints.
6144 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6145 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6146 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6147 Add Sp constraint.
6148 (m32c_init_libfuncs): New.
6149 (m32c_legitimate_address_p): Add debug wrapper.
6150 (m32c_rtx_costs): New.
6151 (m32c_address_cost): New.
6152 (conversions): Add 'B' prefix.
6153 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6154 operands, or word regnames for QI operands. 'B' prints bit
6155 position.
6156 (m32c_expand_setmemhi): New.
6157 (m32c_expand_movmemhi): New.
6158 (m32c_expand_movstr): New.
6159 (m32c_expand_cmpstr): New.
6160 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6161 (m32c_expand_neg_mulpsi3): Handle non-ints.
6162 (m32c_cmp_flg_0): New.
6163 (m32c_expand_movcc): New.
6164 (m32c_expand_insv): New.
6165 (m32c_scc_pattern): New.
6166 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6167 a0/a1 out of SIregs.
6168 (STORE_FLAG_VALUE): New.
6169 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6170 code macros.
6171 (no_insn): New.
6172 * config/m32c/mov.md: Make constraints more liberal.
6173 (zero_extendqihi2): Optimize r0/r1 case.
6174 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6175 * config/m32c/predicates.md (m32c_any_operand): New.
6176 (m32c_nonimmediate_operand): New.
6177 (m32c_hl_operand): New.
6178 (m32c_r3_operand): New.
6179 (ap_operand): New.
6180 (ma_operand): New.
6181 (memsym_operand): New.
6182 (memimmed_operand): New.
6183 (a_qi_operand): New.
6184 (m32c_eqne_operator): New.
6185 (m32c_1bit8_operand): New.
6186 (m32c_1bit16_operand): New.
6187 (m32c_1mask8_operand): New.
6188 (m32c_1mask16_operand): New.
6189 * config/m32c/blkmov.md: New file.
6190 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6192 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6194 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6195 unsigned to fix signed/unsigned comparison issue in
6196 DWARF2_FRAME_REG_OUT.
6197 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6198 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6200 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6201 of ptr into the ENABLE_CHECKING section.
6203 2006-03-08 Jeff Law <law@redhat.com>
6205 * tree-vrp.c (infer_value_range): Only count pointer uses
6206 and dereferences if -fdelete-null-pointer-checks is enabled.
6208 * tree-vrp.c (find_assert_locations): Infer value ranges for
6209 single use pointers, but do not create ASSERT_EXPRs for them.
6210 When a non-null range is inferred for a pointer, backwards
6211 propagate that range to other equivalent pointers through the
6212 use-def chain.
6214 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6216 PR bootstrap/26500
6217 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6218 language hook targets.
6219 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6220 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6221 if language hook targets were missing.
6223 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6225 * tree-ssa-opfinalize.h: Removed.
6226 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6227 dependency.
6228 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6229 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6230 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6231 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6232 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6233 finalize_ssa_v_must_def_ops): New.
6235 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6237 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6238 block as parameter.
6240 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6242 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6244 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6245 addresses with offsets; reorganize.
6247 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6248 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6249 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6251 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6253 PR target/26588
6254 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6256 2006-03-08 Ben Elliston <bje@au.ibm.com>
6258 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6260 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6262 PR gomp/26238
6263 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6264 expansion.
6266 2006-03-07 Richard Guenther <rguenther@suse.de>
6268 PR tree-optimization/26587
6269 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6271 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6273 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6275 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6277 * hooks.c (hook_bool_mode_rtx_true): New function.
6278 * hooks.h (hook_bool_mode_rtx_true): Declare.
6279 * toplev.c (compile_file): Call output_shared_constant_pool.
6280 * varasm.c (shared_constant_pool): New variable.
6281 (assemble_start_function, assemble_end_function): Remove arguments
6282 from call to output_constant_pool.
6283 (create_constant_pool): New function, split out from...
6284 (init_varasm_status): ...here.
6285 (force_const_mem): Choose between the shared and per-function constant
6286 pools. Set current_function_uses_const_pool when reusing old entries
6287 as well as when creating new ones.
6288 (mark_constant): Ignore data argument.
6289 (mark_constants): Remove pool argument.
6290 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6291 to decide whether the function uses a constant pool.
6292 (output_constant_pool_contents): New function, split out from...
6293 (output_constant_pool): ...here.
6294 (output_shared_constant_pool): New function.
6295 (init_varasm_once): Initialize shared_constant_pool.
6296 * output.h (output_constant_pool): Delete.
6297 (output_shared_constant_pool): Declare.
6298 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6299 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6301 2006-03-06 Nick Clifton <nickc@redhat.com>
6303 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6304 flag_strength_reduce.
6306 2006-03-06 Ben Elliston <bje@au.ibm.com>
6308 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6309 x86_64-*-linux* configurations.
6311 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6312 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6314 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6316 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6317 Remove.
6318 * basic-block.h: Remove the extern for
6319 rediscover_loops_after_threading.
6321 * cfgloop.c (cancel_loop): Make it static.
6322 * cfgloop.h: Remove the prototype for cancel_loop.
6324 * flow.c (recompute_reg_usage): Make it static.
6325 * rtl.h: Remove the prototype for recompute_reg_usage.
6327 * function.c (use_return_register): Make it static.
6328 * function.h: Remove the prototype.
6330 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6332 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6333 Remove.
6334 * recog.h: Remove the prototype for
6335 validate_change_maybe_volatile.
6337 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6339 * rtlanal.c (replace_reg): Remove.
6340 * rtl.h: Remove the prototype for replace_reg.
6342 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6344 * regclass.c (reg_scan_update): Remove.
6345 (reg_scan_mark_refs): Remove the last argument.
6346 * rtl.h: Remove the prototype for reg_scan_update.
6348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6350 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6351 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6352 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6353 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6354 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6355 loop-invariant.c, omp-low.c, opts.c, passes.c,
6356 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6357 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6358 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6359 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6360 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6361 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6365 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6366 * dwarf2out.h: Remove the prototype for
6367 dwarf2out_add_library_unit_info.
6369 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6371 * tree.c (add_var_to_bind_expr): Remove.
6372 * tree.h: Remove the prototype for add_var_to_bind_expr.
6374 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6376 * regclass.c (n_non_fixed_regs): Remove.
6377 (init_reg_sets_1, globalize_reg): Remove all uses of
6378 n_non_fixed_regs.
6379 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6381 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6383 * rtlanal.c (insns_safe_to_move_p): Remove.
6384 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6386 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6388 * expmed.c (expand_mult_add): Remove.
6389 * expr.h: Remove the prototype for expand_mult_add.
6391 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6393 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6394 and REG_SAVED_VAL_EXP constants.
6395 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6396 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6397 Handle regs stored by value.
6398 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6399 (execute_cfa_program): Handle DW_CFA_val_offset,
6400 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6401 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6402 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6403 (uw_install_context_1): Handle target regs stored by value.
6405 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6407 * tree-sra.c (tree_sra): Return todoflags;
6408 (generate_one_element): Set TODO_update_smt_usage if needed.
6409 (pass_sra): Remove TODO_update_smt_usage.
6410 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6411 parameter.
6412 (tree_ssa_forward_propagate_single_use_vars): Return
6413 TODO_update_smt_usage if we need to update SMT usage.
6414 (pass_forwprop): Remove TODO_update_smt_usage.
6416 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6418 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6419 (correct_use_link): Remove reference to get_stmt_operands.
6420 (update_stmt_operands): Likewise.
6421 (get_modify_expr_operands): New function factored out of
6422 parse_ssa_operands and get_expr_operands.
6423 Try to create V_MUST_DEFs for LHS by default.
6424 (get_expr_operands) <case MODIFY_EXPR>: Call
6425 get_modify_expr_operands.
6426 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6427 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6428 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6429 get_modify_expr_operands.
6431 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6433 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6434 * tree-flow.h: Remove the prototype for
6435 referenced_var_lookup_if_exists.
6437 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6439 PR rtl-optimization/26345
6440 PR target/19061
6441 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6443 2006-03-03 Roger Sayle <roger@eyesopen.com>
6445 PR tree-optimization/26524
6446 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6447 fold_convert to create a constant of the appropriate type.
6449 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6451 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6452 SYMBOL_REF_IN_BLOCK_P.
6453 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6454 of SYMBOL_FLAG_IN_BLOCK.
6455 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6456 instead of SYMBOL_REF_IN_BLOCK_P.
6457 * explow.c (use_anchored_address): Likewise.
6458 * rtl.c (rtx_size): Likewise.
6459 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6460 instead of SYMBOL_FLAG_IN_BLOCK.
6461 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6462 SYMBOL_REF_IN_BLOCK_P.
6463 (assemble_variable): Likewise.
6464 (output_constant_def_contents): Likewise.
6465 (output_constant_pool): Likewise.
6466 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6467 instead of SYMBOL_FLAG_IN_BLOCK.
6468 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6469 SYMBOL_REF_IN_BLOCK_P.
6470 (SYMBOL_REF_BLOCK): Likewise.
6471 (SYMBOL_REF_OFFSET): Likewise.
6472 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6473 SYMBOL_REF_IN_BLOCK_P.
6474 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6475 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6476 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6477 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6479 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6481 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6483 2006-03-02 Roger Sayle <roger@eyesopen.com>
6485 * simplify-rtx.c (simplify_unary_operation): When simplifying
6486 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6487 that we perform the right shift in the appropriate mode, and
6488 then extend or truncate the result to requested mode.
6490 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6492 * gengtype.c (main): Handle double_int type.
6493 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6494 * double-int.c: New file.
6495 * double-int.h: New file.
6496 * system.h: Include doubleint.h.
6497 * Makefile.in (SYSTEM_H): Include double-int.h.
6498 (double-int.o): Add.
6500 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6502 PR bootstrap/26478
6503 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6504 copying over it.
6506 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6508 * tree-vrp.c (remove_range_assertions): Do not update statements
6509 unnecessarily.
6511 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6513 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6514 cleanup.
6515 * gcse.c (rest_of_handle_gcse): Ditto.
6516 * except.c (gate_handle_eh): Ditto.
6517 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6518 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6520 2006-03-02 Eric Christopher <echristo@apple.com>
6522 * config/i386/i386.c (machopic_output_stub): Add indirection to
6523 jump.
6525 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6527 * loop.c: Removed.
6529 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6531 Sun Niagara specific optimizations.
6532 * config.gcc: Recognize niagara as target.
6533 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6534 (TARGET_CPU_niagara): Define.
6535 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6536 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6537 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6538 (ASM_CPU_SPEC): Likewise.
6539 (PROCESSOR_NIAGARA): New enum entry.
6540 (REGISTER_MOVE_COST): Handle Niagara.
6541 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6542 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6543 (sparc_override_options): Recognize "niagara", set appropriate
6544 default MASK_* values for it, and align functions to 32-bytes
6545 by default just like ULTRASPARC/ULTRASPARC3.
6546 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6547 (sparc64_initialize_trampoline): Likewise.
6548 (sparc_use_sched_lookahead): Use zero for niagara.
6549 (sparc_issue_rate): Use one for niagara.
6550 * config/sparc/niagara.md: New file.
6551 * config/sparc/sparc.md: Include it.
6552 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6553 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6554 when default cpu is niagara.
6555 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6556 (ASM_CPU_SPEC): Likewise.
6557 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6558 when default cpu is niagara.
6559 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6560 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6561 just like v9/ultrasparc/ultrasparc3.
6562 * doc/invoke.texi: Add documentation for "niagara" and improve
6563 existing documentation for ultrasparc variants.
6565 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6567 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6569 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6571 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6572 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6573 and say that only one is needed.
6574 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6575 * target.h (have_switchable_bss_sections): New hook.
6576 * explow.c (use_anchored_address): Check that the symbol is in a block.
6577 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6578 (bss_noswitch_section): New variables.
6579 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6580 (get_noswitch_section): New function.
6581 (get_block_for_section): Allow SECT to be null.
6582 (unlikely_text_section_p): Use SECTION_STYLE.
6583 (bss_initializer_p): New function.
6584 (get_variable_section): Move earlier in file. Take a new argument,
6585 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6586 Return one of the new *_sections in such cases.
6587 (get_block_for_decl): New function, extracting some logic from
6588 use_blocks_for_decl_p.
6589 (change_symbol_section): Remove in favor of...
6590 (change_symbol_block): ...this new function.
6591 (use_blocks_for_decl_p): Remove checks now performed by
6592 get_block_for_decl.
6593 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6594 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6595 (emit_local, emit_bss, emit_common): ...these new functions.
6596 Return true if the alignment was honored.
6597 (emit_tls_common): New function.
6598 (asm_emit_uninitialised): Delete.
6599 (assemble_variable_noswitch): New function, split out from...
6600 (assemble_variable): ...here. Don't make decisions about common
6601 variables here. Globalize all public decls that go into non-common
6602 sections. Check whether SYMBOL_REF_BLOCK is null.
6603 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6604 (output_constant_pool): Likewise.
6605 (init_varasm_once): Initialize the new section variables.
6606 (have_global_bss_p): New function.
6607 (categorize_decl_for_section): Use bss_initializer_p.
6608 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6609 (place_block_symbol): Assert that the symbol must be in a block.
6610 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6611 (TARGET_INITIALIZER): Include it.
6612 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6613 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6614 (SECTION_MACH_DEP): Bump by two.
6615 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6616 (unnamed_section): Mention SECTION_UNNAMED in comment.
6617 (named_section): Likewise SECTION_NAMED.
6618 (noswitch_section_callback): New type.
6619 (noswitch_section): New structure.
6620 (section): Add a noswitch_section alternative.
6621 (SECTION_STYLE): New macro.
6622 (tls_comm_section, comm_section, lcomm_section): Declare.
6623 (bss_noswitch_section, have_global_bss_p): Declare.
6624 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6625 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6626 Override.
6627 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6628 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6629 Override.
6631 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6633 * tree-vrp.c (execute_vrp): Return value.
6634 * regrename.c (rest_of_handle_regrename): Ditto.
6635 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6636 * tree-complex.c (tree_lower_complex): Ditto.
6637 (tree_lower_complex_O0): Ditto.
6638 * tracer.c (rest_of_handle_tracer): Ditto.
6639 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6640 * postreload.c (rest_of_handle_postreload): Ditto.
6641 * tree-tailcall.c (execute_tail_recursion): Ditto.
6642 (execute_tail_calls): Ditto.
6643 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6644 * tree.h (init_function_for_compilation): Ditto.
6645 * ipa-cp.c (ipcp_driver): Ditto.
6646 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6647 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6648 * final.c (compute_alignments): Ditto.
6649 (rest_of_handle_final): Ditto.
6650 (rest_of_handle_shorten_branches): Ditto.
6651 (rest_of_clean_state): Ditto.
6652 * omp-low.c (execute_expand_omp): Ditto.
6653 (execute_lower_omp): Ditto.
6654 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6655 * ipa-reference.c (static_execute): Ditto.
6656 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6657 * reorg.c (rest_of_handle_delay_slots): Ditto.
6658 (rest_of_handle_machine_reorg): Ditto.
6659 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6660 * flow.c (recompute_reg_usage): Ditto.
6661 (rest_of_handle_remove_death_notes): Ditto.
6662 (rest_of_handle_life): Ditto.
6663 (rest_of_handle_flow2): Ditto.
6664 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6665 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6666 (do_ssa_store_ccp): Ditto.
6667 (execute_fold_all_builtins): Ditto.
6668 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6669 * modulo-sched.c (rest_of_handle_sms): Ditto.
6670 * ipa-pure-const.c (static_execute): Ditto.
6671 * cse.c (rest_of_handle_cse): Ditto.
6672 (rest_of_handle_cse2): Ditto.
6673 * web.c (rest_of_handle_web): Ditto.
6674 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6675 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6676 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6677 * tree-nrv.c (tree_nrv): Ditto.
6678 (execute_return_slot_opt): Ditto.
6679 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6680 (create_structure_vars): Ditto.
6681 * loop-init.c (rtl_loop_init): Ditto.
6682 (rtl_loop_done): Ditto.
6683 (rtl_move_loop_invariants): Ditto.
6684 (rtl_unswitch): Ditto.
6685 (rtl_unroll_and_peel_loops): Ditto.
6686 (rtl_doloop): Ditto.
6687 * gimple-low.c (lower_function_body): Ditto.
6688 (mark_used_blocks): Ditto.
6689 * tree-ssa-sink.c (execute_sink_code): Ditto.
6690 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6691 (cgraph_early_inlining): Ditto.
6692 * global.c (rest_of_handle_global_alloc): Ditto.
6693 * jump.c (cleanup_barriers): Ditto.
6694 (purge_line_number_notes): Ditto.
6695 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6696 (rest_of_handle_if_after_reload): Ditto.
6697 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6698 (tree_ssa_loop_im): Ditto.
6699 (tree_ssa_loop_unswitch): Ditto.
6700 (tree_vectorize): Ditto.
6701 (tree_linear_transform): Ditto.
6702 (tree_ssa_loop_ivcanon): Ditto.
6703 (tree_ssa_empty_loop): Ditto.
6704 (tree_ssa_loop_bounds): Ditto.
6705 (tree_complete_unroll): Ditto.
6706 (tree_ssa_loop_prefetch): Ditto.
6707 (tree_ssa_loop_ivopts): Ditto.
6708 (tree_ssa_loop_done): Ditto.
6709 * predict.c (tree_estimate_probability): Ditto.
6710 * recog.c (split_all_insns_noflow): Ditto.
6711 (rest_of_handle_peephole2): Ditto.
6712 (rest_of_handle_split_all_insns): Ditto.
6713 * tree-eh.c (lower_eh_constructs): Ditto.
6714 * regmove.c (rest_of_handle_regmove): Ditto.
6715 (rest_of_handle_stack_adjustments): Ditto.
6716 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6717 * function.c (instantiate_virtual_regs): Ditto.
6718 (init_function_for_compilation): Ditto.
6719 (rest_of_handle_check_leaf_regs): Ditto.
6720 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6721 (rest_of_handle_gcse): Ditto.
6722 * ipa-type-escape.c (type_escape_execute): Ditto.
6723 * alias.c (rest_of_handle_cfg): Ditto.
6724 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6725 * profile.c (rest_of_handle_branch_prob): Ditto.
6726 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6727 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6728 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6729 * tree-dfa.c (find_referenced_vars): Ditto.
6730 * except.c (set_nothrow_function_flags): Ditto.
6731 (convert_to_eh_region_ranges): Ditto.
6732 (rest_of_handle_eh): Ditto.
6733 * emit-rtl.c (unshare_all_rtl): Ditto.
6734 (remove_unnecessary_notes): Ditto.
6735 * except.h (set_nothrow_function_flags): Ditto.
6736 (convert_to_eh_region_ranges): Ditto.
6737 * cfgexpand.c (tree_expand_cfg): Ditto.
6738 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6739 * tree-ssa-pre.c (do_pre): Ditto.
6740 (execute_fre): Ditto.
6741 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6742 (rest_of_handle_jump2): Ditto.
6743 * tree-sra.c (tree_sra): Ditto.
6744 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6745 (execute_mudflap_function_decls): Ditto.
6746 * tree-ssa-copy.c (do_copy_prop): Ditto.
6747 (do_store_copy_prop): Ditto.
6748 * ipa-prop.h (ipcp_driver): Ditto.
6749 * cfglayout.c (insn_locators_initialize): Ditto.
6750 * tree-ssa-forwprop.c
6751 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6752 * cfglayout.h (insn_locators_initialize): Ditto.
6753 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6754 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6755 (execute_late_warn_uninitialized): Ditto.
6756 * rtl.h (cleanup_barriers): Ditto.
6757 (split_all_insns_noflow): Ditto.
6758 (purge_line_number_notes): Ditto.
6759 (unshare_all_rtl): Ditto.
6760 (remove_unnecessary_notes): Ditto.
6761 (recompute_reg_usage): Ditto.
6762 (variable_tracking_main): Ditto.
6763 * integrate.c (emit_initial_value_sets): Ditto.
6764 * integrate.h (emit_initial_value_sets): Ditto.
6765 * tree-optimize.c (execute_free_datastructures): Ditto
6766 (execute_free_cfg_annotations): Ditto.
6767 (execute_fixup_cfg): Ditto.
6768 (execute_cleanup_cfg_pre_ipa): Ditto.
6769 (execute_cleanup_cfg_post_optimizing): Ditto.
6770 (execute_init_datastructures): Ditto.
6771 * tree-object-size.c (compute_object_sizes): Ditto.
6772 * combine.c (rest_of_handle_combine): Ditto.
6773 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6774 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6775 (rest_of_handle_reorder_blocks): Ditto.
6776 (rest_of_handle_partition_blocks): Ditto.
6777 * var-tracking.c (variable_tracking_main): Ditto.
6778 * tree-profile.c (tree_profiling): Ditto.
6779 * tree-vect-generic.c (expand_vector_operations): Ditto.
6780 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6781 * sched-rgn.c (rest_of_handle_sched): Ditto.
6782 (rest_of_handle_sched2): Ditto.
6783 * basic-block.h (free_bb_insn): Ditto.
6784 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6785 * tree-cfg.c (execute_build_cfg): Ditto.
6786 (remove_useless_stmts): Ditto.
6787 (split_critical_edges): Ditto.
6788 (execute_warn_function_return): Ditto.
6789 (execute_warn_function_noreturn): Ditto.
6790 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6791 * cfgrtl.c (free_bb_for_insn): Ditto.
6792 * passes.c (execute_one_pass): Run additional
6793 todos returned by execute function.
6794 * tree-pass.h (struct tree_opt_pass): Make execute
6795 return a value.
6797 2006-03-02 Richard Guenther <rguenther@suse.de>
6799 * tree-ssa-alias.c (find_used_portions): Consider taking
6800 the address as making the variable not write-only.
6802 2006-03-02 Nick Clifton <nickc@redhat.com>
6804 * config.gcc (default_use_cxa_atexit): Extend the description of
6805 this configure variable. Set its default value to "yes" for
6806 Linux, NetBSD and ELF targets on the assumption that they will
6807 use C libraries with the __cxa_atexit function.
6809 2006-03-02 Ben Elliston <bje@au.ibm.com>
6811 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6812 parameter as unused to suppress a build warning.
6814 2006-03-02 Ben Elliston <bje@au.ibm.com>
6816 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6817 config/dfp-bit.c.
6819 2006-03-01 Roger Sayle <roger@eyesopen.com>
6821 PR other/26489
6822 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6823 declared name, the weak reference name, and the typeof name.
6824 (__gthrw): Avoid expanding the declared name suffix.
6825 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6827 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6829 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6830 from DWARF 3.
6831 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6832 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6833 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6834 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6835 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6836 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6837 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6838 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6839 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6840 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6841 (DW_END_default, DW_END_big, DW_END_little): New.
6842 (DW_END_lo_user, DW_END_hi_user): Define.
6843 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6844 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6845 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6846 DW_LANG_D): New.
6848 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6850 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6851 Update all users.
6852 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6853 Update all users.
6854 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6855 Update all users.
6856 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6857 Update all users.
6858 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6859 to 'symbol_mem_tag'.
6860 Update all users.
6861 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6862 rename.
6864 2006-03-01 Roger Sayle <roger@eyesopen.com>
6866 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6868 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6870 PR target/25761
6871 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6872 MACHO_DYNAMIC_NO_PIC_P.
6873 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6875 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6877 PR target/26389
6878 * config/darwin-protos.h (darwin_asm_output_anchor):
6879 Declare.
6880 * config/darwin-sections.def (cstring_section):
6881 Add SECTION_MERGE to the flags.
6882 (literal4_section): Likewise.
6883 (literal8_section): Likewise.
6884 (objc_selector_refs_section): Likewise.
6885 (objc_cls_refs_section): Likewise.
6886 * config/darwin.c (darwin_asm_output_anchor): New
6887 function.
6888 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6890 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6892 Fix PR tree-optimization/26443
6893 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6894 to todo and PROP_tmt_usage to properties_destroyed.
6895 * tree-ssa-ccp.c (pass_ccp): Ditto.
6896 (pass_store_ccp): Ditto.
6897 * tree-ssa-dom.c (pass_dominator): Ditto.
6899 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6901 * tree-ssa-operands.c: Cleanup whitespace.
6902 (get_asm_expr_operands): Move before first invocation.
6903 (get_indirect_ref_operands): Likewise.
6904 (get_tmr_operands): Likewise.
6905 (get_call_expr_operands): Likewise.
6906 (append_def): Likewise.
6907 (append_use): Likewise.
6908 (append_v_may_def): Likewise.
6909 (append_v_must_def): Likewise.
6910 (add_call_clobber_ops): Likewise.
6911 (add_call_read_ops): Likewise.
6912 (add_stmt_operand): Likewise.
6913 (add_virtual_operand): Likewise.
6914 (build_ssa_operands): Likewise.
6916 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6918 PR middle-end/26022
6919 Revert:
6920 PR middle-end/24437
6921 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6922 with a call expr to ...
6923 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6925 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6927 * tree-vrp.c (extract_range_from_assert): Remove special
6928 handling for types with super-types.
6930 2006-03-01 Ben Elliston <bje@au.ibm.com>
6932 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6933 and powerpc64-*-linux* configurations.
6934 * config/t-dfprules: New file.
6936 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6937 Compile dfp-bit.c from the source directory using -DWIDTH and
6938 $DFP_CFLAGS to control the compilation of that file, rather than
6939 generating width-specific versions in the build directory.
6940 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6941 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6943 2006-02-28 Zack Weinberg <zackw@panix.com>
6945 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6946 continues to work.
6948 2006-02-28 Eric Christopher <echristo@apple.com>
6950 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6951 Set up IN_LIBGCC definition of TARGET_64BIT.
6952 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6954 2006-02-28 Roger Sayle <roger@eyesopen.com>
6956 PR middle-end/14752
6957 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6958 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6959 cases via the construction of "expr != 0".
6961 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6963 * alias.c (alias_invariant, alias_invariant_size): Remove.
6964 (record_base_value): Remove.
6965 (memrefs_conflict_p): Don't look at alias_invariant.
6966 (end_alias_analysis): Don't free it.
6967 * alias.h (record_base_value): Remove prototype.
6969 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6970 Adam Nemet <anemet@caviumnetworks.com>
6972 * rtl.h (truncated_to_mode): Declare it.
6973 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6974 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6975 (RTL_HOOKS_INITIALIZER): Include it.
6976 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6977 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6978 reg_truncated_to_mode.
6979 * rtlanal.c (truncated_to_mode): Define it.
6980 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6982 2006-02-28 Jeff Law <law@redhat.com>
6984 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6985 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6986 the range allowed by TYPE_PRECISION.
6988 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6990 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6992 PR tree-optimization/26419
6993 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6994 values of n.
6996 2006-02-27 Zack Weinberg <zackw@panix.com>
6998 * doc/md.texi: Fix typo in previous change.
7000 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7002 * df.c: Remove.
7004 2006-02-27 Zack Weinberg <zackw@panix.com>
7006 * rtl.def (define_constraint, define_register_constraint)
7007 (define_memory_constraint, define_address_constraint): New MD forms.
7008 * gensupport.c (process_rtx): Put define_constraint etc on the
7009 predicate queue.
7010 * genpreds.c (process_define_predicate): Adjust comment. Validate
7011 the name, and call validate_exp to validate the expression.
7012 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7013 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7014 all callers changed.
7015 (validate_exp, needs_variable, struct constraint_data)
7016 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7017 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7018 (const_dbl_constraints, constraint_max_namelen)
7019 (have_register_constraints, have_memory_constraints)
7020 (have_address_constraints, have_address_constraints)
7021 (have_extra_constraints, have_const_int_constraints)
7022 (have_const_dbl_constraints, mangle, add_constraint)
7023 (process_define_constraint, process_define_register_constraint)
7024 (write_enum_constraint_num, write_lookup_constraint)
7025 (write_insn_constraint_len, write_regclass_for_constraint)
7026 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7027 (write_insn_extra_memory_constraint)
7028 (write_insn_extra_address_constraint)
7029 (write_satisfies_constraint_fns): New.
7030 (write_tm_preds_h): If we have new-style constraint definitions,
7031 prototype the functions generated from them, and define the
7032 old constraint interface (still used by generic code) in terms of
7033 those functions.
7034 (write_insn_preds_c): If we have new-style constraint definitions,
7035 generate all relevant functions from those definitions.
7036 (main): Handle define_constraint etc.
7037 * genoutput.c (struct constraint_data, indep_constraints)
7038 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7039 (mdep_constraint_len): New data structures and functions, defined
7040 #ifdef USE_MD_CONSTRAINTS.
7041 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7042 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7043 use new logic to validate operand constraints against constraint
7044 definitions.
7045 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7046 defined.
7047 * defaults.h: If none of the old-style constraint macros are
7048 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7049 old-style macros; and poison REG_CLASS_FROM_LETTER,
7050 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7051 EXTRA_CONSTRAINT.
7052 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7053 * doc/md.texi: Document new constraint-definition mechanism and the
7054 C interface it provides. Remove references to old mechanism
7055 elsewhere in the document.
7056 (Machine Constraints): Use pathnames relative to gcc directory,
7057 i.e. config/ARCH/FILE. Change i386 section to refer to
7058 config/i386/predicates.md; update that section to match docstrings.
7059 * doc/tm.texi: Move all documentation of the old constraint-
7060 definition macros to their own section, clearly mark as obsolete.
7062 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7063 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7064 definitions.
7065 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7066 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7067 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7068 constraint strings.
7069 (splits and peepholes): Use satisfies_constraint_*.
7070 * config/i386/i386.c (memory_address_length)
7071 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7073 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7075 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7076 scalar operation to be put back into the loop.
7078 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7080 PR other/26208
7081 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7082 (extract_cie_info): Handle S flag in augmentation string.
7083 (execute_cfa_program): If context->signal_frame, execute also
7084 fs->pc == context->ra instructions.
7085 (uw_frame_state_for): If context->signal_frame, don't subtract one
7086 from context->ra to find FDE.
7087 (uw_update_context_1): Set context->signal_frame to
7088 fs->signal_frame.
7089 (_Unwind_GetIPInfo): New function.
7090 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7091 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7092 of _Unwind_GetIP.
7093 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7094 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7095 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7096 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7097 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7098 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7099 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7100 x86_64_fallback_frame_state): Set fs->signal_frame.
7101 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7102 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7103 (frob_update_context): Likewise. Workaround missing S flag in
7104 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7105 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7106 Remove the psw_addr + 1 hack.
7108 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7110 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7111 with aggregates here.
7112 (find_func_aliases): Remove code for &<aggregate> from here.
7114 2006-02-26 Roger Sayle <roger@eyesopen.com>
7116 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7117 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7118 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7119 as (X & C) ne/eq 0.
7121 2006-02-26 Roger Sayle <roger@eyesopen.com>
7123 PR middle-end/19983
7124 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7126 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7128 * opts.c (decode_options): Do not handle flag_strength_reduce.
7129 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7130 and OPT_fstrength_reduce.
7131 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7132 flag_prefetch_loop_arrays for being nonzero.
7133 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7134 no-ops.
7135 (fprefetch-loop-arrays-rtl): Removed.
7136 (flag_prefetch_loop_arrays): Do not specify the value.
7138 * doc/passes.texi: Update documentation of loop optimizer
7139 passes.
7140 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7141 -frerun-loop-opt): Remove.
7143 2006-02-26 Richard Guenther <rguenther@suse.de>
7145 PR tree-optimization/26421
7146 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7147 in function calls that are ADDR_EXPRs as using the whole structure.
7149 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7151 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7152 * tree-pass.h (pass_loop_optimize): Remove.
7153 * passes.c (pass_loop_optimize): Never run it.
7154 * toplev.c (backend_init): Don't call init_loop.
7155 * opts.c (flag_loop_optimize_set): Remove.
7156 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7157 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7158 the old RTL loop optimizer when profiling enabled.
7159 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7160 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7161 pre-headers for the sake of the old RTL loop optimizer.
7162 * Makefile.in: Remove all references to loop.o.
7164 * doc/invoke.texi: Remove all references to -floop-optimize
7165 and -frerun-loop-opt.
7167 2006-02-26 Zack Weinberg <zackw@panix.com>
7169 * doc/md.texi (Machine Constraints): Refer to all files with paths
7170 relative to gcc directory (i.e. config/CPU/file). Add missing
7171 @table @code ... @end table to M32C subsection.
7173 2006-02-26 Roger Sayle <roger@eyesopen.com>
7175 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7176 (X & 1) == 0.
7177 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7179 2006-02-26 Roger Sayle <roger@eyesopen.com>
7180 James A. Morrison <phython@gcc.gnu.org>
7182 PR middle-end/21137
7183 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7184 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7185 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7186 signedness of the shift operation.
7188 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7190 PR tree-optimization/26359
7191 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7193 2006-02-25 Roger Sayle <roger@eyesopen.com>
7195 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7196 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7197 as X == 0, and some symmetry related transformations.
7198 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7200 2006-02-25 Roger Sayle <roger@eyesopen.com>
7202 PR middle-end/23673
7203 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7204 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7205 symmetry related transformations. Fold (X^C1) == C2 as
7206 X == (C1^C2).
7208 2006-02-25 Juergen Weigert <jw@suse.de>
7209 Richard Guenther <rguenther@suse.de>
7211 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7213 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7215 * combine.c (gen_lowpart_or_truncate): Call
7216 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7218 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7220 * doc/invoke.texi: Move -fopenmp description to "Options for
7221 Code Generation".
7222 Remove reference to -lgomp.
7224 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7226 * doc/install.texi: Require GNU tar version 1.14.
7228 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7230 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7231 * doc/invoke.texi (C++ Dialect Options): Document
7232 -fno-use-cxa-get-exception-ptr.
7233 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7234 * configure: Regenerate.
7235 * c.opt (fuse-cxa-get-exception-ptr): New.
7236 * c-opts.c (c_common_handle_option): Handle
7237 OPT_fuse_cxa_get_exception_ptr.
7238 * c-common.c (flag_use_cxa_atexit): Update documentation.
7239 (flag_use_cxa_get_exception_ptr): New.
7240 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7241 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7242 documentation.
7243 (C_COMMON_OVERRIDE_OPTIONS): New.
7245 2006-02-24 Roger Sayle <roger@eyesopen.com>
7247 PR middle-end/24952
7248 * combine.c (try_combine): Explicitly check whether GET_CODE is
7249 a SET or a CLOBBER, instead on checking that it isn't a USE.
7251 2006-02-24 Roger Sayle <roger@eyesopen.com>
7253 * fold-const.c (fold_comparison): New subroutine of fold_binary
7254 containing transformations common to both the equality and
7255 ordering relational operators, factored out of fold_binary.
7256 (fold_binary): Separate out the equality operators (EQ_EXPR
7257 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7258 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7259 transformations common to both.
7260 (fold_div_compare): Fix latent bugs in the previously unreachable
7261 LT_EXPR and GE_EXPR cases.
7263 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7265 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7266 decl libname for clog to __clog on AIX.
7268 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7270 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7272 PR target/26453
7273 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7274 output traceback table for thunks. Localise rs6000_stack_info call.
7276 2006-02-23 Roger Sayle <roger@eyesopen.com>
7277 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7279 * gthr-posix.h (__gthrw): Fix typo in comment.
7281 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7283 * doc/cpp.texi (Character sets): Document that we do support
7284 input files to be in any character set.
7286 2006-02-23 Jeff Law <law@redhat.com>
7288 * tree.h (PHI_ARG_NONZERO): Remove.
7289 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7290 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7291 node to the new node.
7293 PR tree-optimization/26425
7294 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7295 min/max, then assume its varying.
7297 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7299 PR rtl-optimization/26316
7300 * rtlanal.c (enum may_trap_p_flags): New.
7301 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7302 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7303 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7304 (may_trap_after_code_motion_p): New function.
7305 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7306 (find_invariant_insn): Use may_trap_after_code_motion_p.
7307 * rtl.h (may_trap_after_code_motion_p): Declare.
7309 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7311 * emit-rtl.c (immed_double_const): Cleanup.
7313 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7315 Fix PR tree-optimization/26376
7316 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7317 remove assert.
7319 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7321 PR middle-end/26412
7322 * gimplify.c (omp_add_variable): Guard variable size decl test with
7323 DECL_SIZE (decl) check.
7325 2006-02-23 Richard Guenther <rguenther@suse.de>
7327 PR middle-end/26439
7328 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7329 like aggregate types.
7331 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7333 * configure.ac: Add --with{,out}-long-double-128 configure option.
7334 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7335 * configure: Rebuilt.
7336 * config.in: Rebuilt.
7337 * doc/install.texi (Options specification): Document
7338 --with-long-double-128.
7340 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7341 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7342 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7343 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7345 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7347 * config/s390/s390.c (override_options): Handle
7348 TARGET_DEFAULT_LONG_DOUBLE_128.
7350 * config/alpha/alpha.c (override_options): Handle
7351 TARGET_DEFAULT_LONG_DOUBLE_128.
7353 * config/sparc/sparc.c (sparc_override_options): Handle
7354 TARGET_DEFAULT_LONG_DOUBLE_128.
7356 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7358 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7359 (real-install-headers-tar, real-install-headers-cpio)
7360 (real-install-headers-cp): New targets.
7362 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7364 * tree.h (variable_section): Delete.
7365 * varasm.c (variable_section): Delete.
7367 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7369 * install.texi: Add notes on install.texi2html.
7370 (Building in parallel): Do not use footnotes.
7372 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7374 PR libgomp/26234
7375 * doc/install.texi (Configuration): Document --disable-libgomp.
7377 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7379 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7381 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7383 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7384 (vec_extractv2df_0_sse): New.
7386 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7388 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7389 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7390 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7391 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7392 to the result of the expression.
7393 (def_cfa_1): Adjust.
7394 (frame_pointer_cfa_offset): Rename to...
7395 (frame_pointer_fb_offset): ... this. Adjust all uses.
7396 (convert_cfa_to_loc_list): Rename to...
7397 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7398 Pass it on to build_cfa_loc.
7399 (compute_frame_pointer_to_cfa_displacement): Rename to...
7400 (compute_frame_pointer_to_fb_displacement): ... this. New
7401 offset parameter. Use it in computation.
7402 (gen_subprogram_die): Compute cfa_fb_offset with the new
7403 macro, and use it to compute the fb loc list and the
7404 displacement.
7406 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7408 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7409 replaced with register_operand.
7410 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7411 non-DREG is expensive.
7412 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7413 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7414 involving memory.
7416 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7418 * doc/install.texi2html: Use set -e.
7420 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7422 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7423 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7424 * doc/invoke.texi (-fshared-data): Delete.
7425 * common.opt (fshared-data): Delete.
7426 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7427 (assemble_static_space): Remove #if 0 code.
7428 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7429 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7430 * config/cris/cris.h: Remove FIXME.
7432 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7434 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7435 hooks.
7437 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7439 PR middle-end/26379
7440 * combine.c (simplify_shift_const_1): Disable nested shifts
7441 optimization for vector shifts.
7443 2006-02-20 Roger Sayle <roger@eyesopen.com>
7445 PR tree-optimization/26361
7446 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7447 of unsigned integer types.
7449 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7451 * tree-chrec.c (eq_evolutions_p): New.
7452 * tree-chrec.h (eq_evolutions_p): Declared.
7453 * tree-data-ref.c: Fix formatting.
7454 (datadep_stats, dependence_stats): New.
7455 (gcd): Moved...
7456 (print_direction_vector): New.
7457 (dump_data_dependence_relation): Use print_direction_vector.
7458 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7459 (compute_subscript_distance): Static.
7460 (initialize_data_dependence_relation): Static. Get the number
7461 of loops surrounding the references from the callers, and initialize
7462 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7463 base_object_differ_p analyzers.
7464 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7465 compute_overlap_steps_for_affine_1_2,
7466 analyze_subscript_affine_affine): Count the classified dependences.
7467 Print a message when a test failed.
7468 (can_use_analyze_subscript_affine_affine): New.
7469 (analyze_siv_subscript): Compute the data dependences on symbolic
7470 scevs that verify can_use_analyze_subscript_affine_affine.
7471 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7472 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7473 Handle symbolic scevs.
7474 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7475 analyzed.
7476 (subscript_dependence_tester): Moved...
7477 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7478 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7479 DDR_SIZE_VECT instead of getting it in parameter.
7480 (subscript_dependence_tester): ... here. Take as a parameter
7481 loop_nest_depth. Call build_classic_dist_vector and
7482 build_classic_dir_vector.
7483 (compute_affine_dependence): Update subscript_dependence_tester
7484 parameters. Update datadep_stats counters. Call
7485 compute_subscript_distance.
7486 (compute_self_dependence): Save the dist and dir vectors. Call
7487 compute_subscript_distance.
7488 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7489 (compute_all_dependences): Reorder parameters as they were before
7490 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7491 compute_subscript_distance. Update the use of
7492 compute_affine_dependence and initialize_data_dependence_relation.
7493 (find_data_references_in_loop): Handle COMPONENT_REF.
7494 (compute_data_dependences_for_loop): Initialize dependence_stats.
7495 Don't call build_classic_dist_vector and build_classic_dir_vector.
7496 Update the parameters of initialize_data_dependence_relation and
7497 compute_all_dependences. Print the statistics from datadep_stats.
7498 (analyze_all_data_dependences): Static. Not used until the pass for
7499 checking the data dependences is contributed.
7500 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7501 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7502 (initialize_data_dependence_relation, compute_affine_dependence,
7503 analyze_all_data_dependences, compute_subscript_distance): Removed.
7504 (print_direction_vector): New.
7505 * lambda.h (gcd): ... here.
7506 (lambda_vector_gcd): Moved here from gcd_vector.
7507 * lambda-code.c (gcd, gcd_vector): Removed.
7508 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7509 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7511 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7513 * ipa-type-escape.c: Tidy some comments and white space.
7514 * tree-ssa-operands.c: Likewise.
7516 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7518 PR tree-opt/25879
7519 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7520 (dump_decl_name): Do not walk the decl tree chains.
7521 * tree-pass.h (TDF_CHAIN): Remove.
7523 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7525 * Makefile.in (C): Remove
7526 (PROTO): Remove
7527 (.PHONY): Remove C and PROTO
7529 2006-02-20 Roger Sayle <roger@eyesopen.com>
7531 PR middle-end/26236
7532 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7533 deprecated CHAR_TYPE tree code.
7535 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7537 * configure.ac (target_list): Add install-info, dvi, html.
7538 * configure: Regenerate.
7540 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7541 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7542 treelang/Make-lang.in: Do not use double-colon rules.
7544 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7546 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7547 (TMT_USED_ALONE): New macro.
7548 * tree-pass.h (PROP_tmt_usage): New property.
7549 (TODO_update_tmt_usage): New todo.
7550 * tree-ssa-alias.c (updating_used_alone): New variable.
7551 (recalculate_used_alone): New function.
7552 (compute_may_aliases): Set updating_used_alone, call
7553 recalculate_used_alone.
7554 * tree-sra.c (pass_sra): Note that this pass destroys
7555 PROP_tmt_usage, and add TODO_update_tmt_usage.
7556 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7557 * tree-flow.h (updating_used_alone): Prototype.
7558 (recalculate_used_alone): Ditto.
7559 * passes.c (execute_todo): Add code to set updating_used_alone,
7560 and call recalculate.
7561 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7562 for clobber if used alone, and add assert to verify used_alone
7563 status.
7565 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7567 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7568 for non tls symbols added.
7569 (legitimize_address): Do nothing for PLUS expressions if one of the
7570 addends is a tls symbol reference.
7572 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7574 PR bootstrap/25476
7576 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7578 * Makefile.in (BOOTSTRAPPING): New.
7579 (quickstrap): New definition if BOOTSTRAPPING=yes.
7581 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7582 * configure.ac: Substitute all_selected_languages with the languages
7583 that were configured. For all the other variables except
7584 lang_specs_files, include all the languages in the tree.
7585 * configure: Regenerate.
7587 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7588 if there is one. Run the commands to run fixincludes in the same
7589 subshell.
7591 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7592 * doc/install.texi: Document exact conventions for searching target tools.
7593 Document --with-build-time-tools. Document toplevel bootstrap. Document
7594 something more about building an Ada cross-compiler. Don't list GNU Make
7595 requirements which affect all platforms.
7597 2006-02-19 Roger Sayle <roger@eyesopen.com>
7599 PR middle-end/19543
7600 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7601 only equivalent if the have both the same mode and precision.
7603 2006-02-20 Ben Elliston <bje@au.ibm.com>
7605 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7607 2006-02-19 Roger Sayle <roger@eyesopen.com>
7608 Steven Bosscher <stevenb.gcc@gmail.com>
7610 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7611 constant pool references to identify stack mode constants.
7612 * rtlanal.c (constant_pool_constant_p): New predicate to check
7613 whether operand is a floating point constant in the pool.
7614 * rtl.h (constant_pool_constant_p): Prototype here.
7615 * loop.c (scan_loop): Avoid hoisting constants from the constant
7616 pool on STACK_REGS targets.
7617 (load_mems): Likewise.
7618 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7619 loads into x87 registers expensive in terms of register pressure.
7621 2006-02-19 Roger Sayle <roger@eyesopen.com>
7623 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7624 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7626 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7628 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7629 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7631 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7633 * doc/invoke.texi: Document -fipa-pta.
7634 * common.opt: Add ipa-pta option.
7635 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7636 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7637 (do_ds_constraint): Ditto.
7638 (get_constraint_for): Only add to referenced_vars if
7639 referenced_vars exists.
7640 (insert_into_field_list): Rewrite to do this unsorted.
7641 (insert_into_field_list_sorted): Rename old insert_into_field_list
7642 to this.
7643 (create_function_info_for): Use insert_into_field_list_sorted.
7644 (create_variable_info_for): Rewrite so it uses unsorted version,
7645 since the field list is sorted.
7646 (intra_create_variable_infos): Only add to referenced_vars if
7647 referenced_vars exists.
7648 (ipa_pta_execute): Init heapvars, and delete when done.
7649 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7651 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7653 * doc/install.texi: Add missing `@samp'.
7655 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7657 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7658 Use the arguments.
7660 2006-02-18 Mark Wielaard <mark@klomp.org>
7662 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7663 who added new 4.1 features, bug fixes and integration support.
7665 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7667 PR target/26350
7668 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7669 MEM for ABI_V4 pic.
7671 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7673 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7674 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7675 (copy_insn_1): Likewise. Don't copy each field individually.
7676 Reindent.
7677 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7678 of RTX_SIZE.
7679 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7680 * rtl.c (rtx_size): Rename variable to...
7681 (rtx_code_size): ...this.
7682 (rtx_size): New function.
7683 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7684 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7685 Reindent.
7686 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7687 * rtl.h (rtx_code_size): New variable.
7688 (rtx_size): Change from a variable to a function.
7689 (RTX_SIZE): Rename to...
7690 (RTX_CODE_SIZE): ...this.
7692 PR target/9703
7693 PR tree-optimization/17106
7694 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7695 (Anchored Addresses): New section.
7696 * doc/invoke.texi (-fsection-anchors): Document.
7697 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7698 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7699 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7700 * hooks.c (hook_bool_mode_rtx_false): New function.
7701 * hooks.h (hook_bool_mode_rtx_false): Declare.
7702 * gengtype.c (create_optional_field): New function.
7703 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7704 SYMBOL_REF_IN_BLOCK_P is true.
7705 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7706 (min_anchor_offset, max_anchor_offset): Likewise.
7707 (use_anchors_for_symbol_p): New hook.
7708 * toplev.c (compile_file): Call output_object_blocks.
7709 (target_supports_section_anchors_p): New function.
7710 (process_options): Check that -fsection-anchors is only used on
7711 targets that support it and when -funit-at-a-time is in effect.
7712 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7713 if the decl doesn't have one.
7714 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7715 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7716 of force_const_mem through use_anchored_address.
7717 (expand_expr_constant): New function.
7718 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7719 calling expand_expr for INDIRECT_REF.
7720 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7721 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7722 * expr.h (use_anchored_address): Declare.
7723 * loop-unroll.c: Don't declare rtx vectors here.
7724 * explow.c: Include output.h.
7725 (validize_mem): Call use_anchored_address.
7726 (use_anchored_address): New function.
7727 * common.opt (-fsection-anchors): New switch.
7728 * varasm.c (object_block_htab, anchor_labelno): New variables.
7729 (hash_section, object_block_entry_eq, object_block_entry_hash)
7730 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7731 (use_blocks_for_decl_p, change_symbol_section): New functions.
7732 (get_variable_section): New function, split out from assemble_variable.
7733 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7734 use_blocks_for_decl_p say so. Use change_symbol_section if the
7735 symbol has already been created.
7736 (assemble_variable_contents): New function, split out from...
7737 (assemble_variable): ...here. Don't output any code for
7738 block symbols; just pass them to place_block_symbol.
7739 Use get_variable_section and assemble_variable_contents.
7740 (get_constant_alignment, get_constant_section, get_constant_size): New
7741 functions, split from output_constant_def_contents.
7742 (build_constant_desc): Create a block symbol if use_object_blocks_p
7743 says so. Or into SYMBOL_REF_FLAGS.
7744 (assemble_constant_contents): New function, split from...
7745 (output_constant_def_contents): ...here. Don't output any code
7746 for block symbols; just pass them to place_section_symbol.
7747 Use get_constant_section and get_constant_alignment.
7748 (force_const_mem): Create a block symbol if use_object_blocks_p and
7749 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7750 (output_constant_pool_1): Add an explicit alignment argument.
7751 Don't switch sections here.
7752 (output_constant_pool): Adjust call to output_constant_pool_1.
7753 Switch sections here instead. Don't output anything for block symbols;
7754 just pass them to place_block_symbol.
7755 (init_varasm_once): Initialize object_block_htab.
7756 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7757 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7758 (place_block_symbol, get_section_anchor, output_object_block)
7759 (output_object_block_htab, output_object_blocks): New functions.
7760 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7761 (TARGET_ASM_OUT): Include it.
7762 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7763 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7764 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7765 (TARGET_INITIALIZER): Include them.
7766 * rtl.c (rtl_check_failed_block_symbol): New function.
7767 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7768 (block_symbol, object_block): New structures.
7769 (rtx_def): Add a block_symbol field to the union.
7770 (BLOCK_SYMBOL_CHECK): New macro.
7771 (rtl_check_failed_block_symbol): Declare.
7772 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7773 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7774 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7775 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7776 * output.h (output_section_symbols): Declare.
7777 (object_block): Name structure.
7778 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7779 (default_use_anchors_for_symbol_p): Declare.
7780 * Makefile.in (RTL_BASE_H): Add vec.h.
7781 (explow.o): Depend on output.h.
7782 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7783 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7784 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7785 (rs6000_use_blocks_for_constant_p): New function.
7787 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7789 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7791 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7793 PR tree-opt/25680
7794 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7795 IMAGPART_EXPR.
7797 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7799 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7800 is_aliased.
7801 Update all users.
7803 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7805 PR middle-end/26334
7806 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7807 instead of DECL_REGISTER.
7809 2006-02-18 Olivier Hainque <hainque@adacore.com>
7811 PR ada/13408
7812 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7814 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7816 PR target/24837
7817 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7818 * opth-gen.awk: Handle Var and InverseMask together.
7819 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7820 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7821 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7822 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7823 used together.
7824 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7825 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7826 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7827 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7828 LINUX_DYNAMIC_LINKER): Define.
7829 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7830 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7831 TARGET_GLIBC.
7832 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7833 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7834 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7836 (TARGET_C99_FUNCTIONS): Don't define.
7837 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7838 GLIBC_DYNAMIC_LINKER.
7839 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7840 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7841 GLIBC_DYNAMIC_LINKER64): Define.
7842 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7843 LINUX_DYNAMIC_LINKER64.
7844 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7846 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7848 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7850 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7851 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7852 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7854 and LINUX_DYNAMIC_LINKER32.
7855 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7857 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7858 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7859 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7860 TARGET_GLIBC.
7861 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7862 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7863 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7864 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7865 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7866 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7867 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7868 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7869 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7870 LINUX_DYNAMIC_LINKER): Define.
7871 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7872 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7873 GLIBC_DYNAMIC_LINKER64): Define.
7874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7875 LINUX_DYNAMIC_LINKER64.
7876 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7877 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7878 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7879 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7880 LINUX_DYNAMIC_LINKER): Define.
7881 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7882 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7883 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7884 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7885 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7886 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7887 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7888 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7889 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7890 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7891 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7892 * doc/invoke.texi (-muclibc): Remove caveat about supported
7893 targets.
7895 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7897 * doc/cpp.texi (__TIMESTAMP__): Document.
7899 2006-02-17 Roger Sayle <roger@eyesopen.com>
7901 PR middle-end/25600
7902 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7903 C is one less than the width of X (and related transformations).
7904 * simplify-rtx.c (simplify_unary_operation_1): Transform
7905 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7906 depending on STORE_FLAG_VALUE, were C is one less then the
7907 width of X.
7909 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7911 Fix PR tree-optimization/26341
7912 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7913 about NAME_MEMORY_TAG's.
7915 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7917 PR target/26255
7918 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7919 with hardware float support, and software float support. Add fcpy
7920 alternative to hardware patterns. Add alternatives to copy between
7921 general and floating-point registers to the 32-bit pattern.
7922 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7923 secondary reload to load a QI or HI mode constant into a floating
7924 point register.
7925 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7926 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7928 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7930 PR target/26272
7931 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7932 pc to the pattern.
7933 (load_macho_picbase_di): Likewise.
7935 2006-02-16 Jeff Law <law@redhat.com>
7937 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7938 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7939 (ssa_name_nonzero_p): Likewise.
7940 (get_value_range): Return NULL if VRP is not running.
7941 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7942 VRP routines do not discover a range.
7943 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7944 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7945 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7946 (tree_expr_nonnegative_p): Similarly.
7947 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7948 (restore_nonzero_vars_to_original_value): Remove.
7949 (unsafe_associative_fp_binop): Remove.
7950 (tree_ssa_dominator_optimize): Remove initialization and
7951 finalization of nonzero_vars and nonzero_vars_stack.
7952 (dom_opt_initialize_block): No longer push marker on
7953 nonzero_vars_stack.
7954 (dom_opt_finalize_block): No longer call
7955 restore_nonzero_vars_to_original_value.
7956 (record_equivalences_from_phis): No longer look for
7957 nonzero PHI arguments.
7958 (cprop_into_successor_phis): No longer propagate nonzero
7959 property into PHI arguments. Lose unused argument. Caller
7960 updated.
7961 (record_equivalences_from_stmt): No longer record nonzero
7962 values for SSA_NAMEs.
7963 (lookup_avail_expr): No longer use nonzero_vars.
7965 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7966 for sizetype when sizetype is unsigned.
7968 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7970 PR rtl-optimization/25603
7971 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7972 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7973 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7974 with new meaning of SETS.
7976 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7978 PR target/20353
7979 PR target/24578
7980 PR target/24837
7981 * config/linux.opt: New file.
7982 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7983 LINUX_DYNAMIC_LINKER): Define.
7984 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7985 * config.gcc (*-*-linux*): Define extra_options.
7986 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7987 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7988 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7989 GLIBC_DYNAMIC_LINKER.
7990 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7991 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7992 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7994 * doc/invoke.texi (GNU/Linux Options): New section.
7996 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7998 * config/sparc/sparc.md (setjmp): Rewrite.
7999 (setjmp_32): Delete.
8000 (setjmp_64): Likewise.
8002 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8004 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8005 previous change.
8007 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8009 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8010 read-write uses.
8012 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8014 PR rtl-optimization/26296
8015 * Makefile.in (loop-invariant.c): Add except.h dependency.
8016 * loop-invariant.c: Include except.h.
8017 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8019 2005-02-16 Paul Brook <paul@codesourcery.com>
8021 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8022 for reloads.
8024 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8026 PR rtl-optimization/25636
8027 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8028 when deciding whether an insn is an initializing insn.
8030 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8032 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8033 (tree_code_size): Ditto.
8034 * tree.h (struct tree_memory_tag): Remove parent_var.
8035 (struct tree_struct_field_tag): New.
8036 (SFT_OFFSET): New.
8037 (SFT_SIZE): New.
8038 (union tree_node): Add sft member.
8039 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8040 specially here.
8041 (create_sft): Add size and offset argument, set SFT_OFFSET and
8042 SFT_SIZE.
8043 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8044 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8045 * tree-flow-inline.h (get_subvar_at): Update for
8046 SFT_OFFSET/SFT_SIZE.
8047 (var_can_have_subvars): Ditto.
8048 (overlap_subvar): Ditto.
8049 * print-tree.c (print_node): Print out interesting things for
8050 SFT's.
8051 * tree-flow.h (struct subvar): Remove offset and size members.
8052 * tree-ssa-operands.c (get_expr_operands): Update for
8053 get_indirect_ref_operands changes.
8054 (get_indirect_ref_operands): Call add_virtual_operand instead of
8055 add_stmt_operand. Only recurse on base var if requested.
8056 (access_can_touch_variable): New function.
8057 (add_stmt_operand): Split virtual operand handling into ...
8058 (add_virtual_operand): Here. Add offset, size, and for_clobber
8059 arguments. Prune alias sets.
8060 (add_call_clobber_ops): Call add_virtual_operand.
8062 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8064 PR middle-end/26300
8065 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8067 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8068 than TREE_CODE as index into omp_clause_num_ops array.
8070 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8072 PR rtl-optimization/26184
8073 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8074 uses_of_defs.
8075 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8076 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8077 must_precede, must_follow and tobe_scheduled.
8079 PR other/26147
8080 * opts.c (common_handle_option): Free new_option pointer.
8081 * df-core.c (df_analyze): Free postorder pointer.
8083 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8085 * Makefile.in: Fix the examples about the use of stamps
8087 2006-02-15 Michael Matz <matz@suse.de>
8089 PR middle-end/22275
8091 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8092 influenced by maximum_field_alignment or DECL_PACKED.
8093 (update_alignment_for_field): Ditto.
8094 (place_field): Ditto.
8095 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8096 this behaviour.
8098 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8100 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8101 (debug_flow_info): Pass it.
8102 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8103 * bb-reorder.c (reorder_basic_blocks): Likewise.
8104 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8105 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8106 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8107 * gcse.c (gcse_main, bypass_jumps): Likewise.
8108 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8109 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8110 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8111 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8112 * rtl.h (dump_flow_info): Adjust prototype.
8113 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8114 * var-tracking.c (variable_tracking_main): Likewise.
8115 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8116 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8117 options.
8119 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8121 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8122 construction.
8124 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8126 PR tree-optimization/26209
8127 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8128 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8129 eh edges.
8130 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8132 2006-02-14 Roger Sayle <roger@eyesopen.com>
8134 PR middle-end/23670
8135 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8136 (X,Y) and the corresponding symmetry related transformations.
8137 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8138 (X,Y) and its symmetry related transformations.
8140 2006-02-14 Roger Sayle <roger@eyesopen.com>
8142 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8143 and GEU.
8145 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8147 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8149 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8151 PR bootstrap/26053
8152 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8153 support COMDAT group.
8154 * configure: Regenerate.
8156 2006-02-14 Roger Sayle <roger@eyesopen.com>
8158 PR middle-end/26279
8159 PR middle-end/26280
8160 PR middle-end/26283
8161 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8163 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8165 Fix PR tree-optimization/26260
8167 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8168 param.
8169 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8170 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8171 * tree-ssa-structalias.c (create_variable_info_for): Use
8172 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8174 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8176 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8177 Document.
8178 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8179 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8180 of the ending condition.
8181 * tree-ssa-loop-manip.c: Include params.h.
8182 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8183 tree_unroll_loop): New functions.
8184 * tree-pass.h (pass_loop_prefetch): Declare.
8185 * loop.c (rest_of_handle_loop_optimize): Test for
8186 -fprefetch-loop-arrays-rtl.
8187 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8188 * timevar.def (TV_TREE_PREFETCH): New timevar.
8189 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8190 pass_loop_prefetch): New.
8191 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8192 (cleanup_tree_cfg_loop): Call scev_reset.
8193 * common.opt (fprefetch-loop-arrays-rtl): Add.
8194 * tree-ssa-loop-prefetch.c: New file.
8195 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8196 (new_temp_expr_table): Initialize expr_vars.
8197 (free_temp_expr_table): Cleanup expr_vars.
8198 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8199 expressions from being merged into one.
8200 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8201 (struct tree_niter_desc): Add control, bound and cmp fields.
8202 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8203 Declare.
8204 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8205 (tree-cfgcleanup.o): Add SCEV_H dependency.
8206 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8207 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8209 2006-02-14 Richard Guenther <rguenther@suse.de>
8211 PR tree-optimization/26258
8212 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8213 in PHI argument processing.
8215 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8217 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8218 new expression in the requested machine mode.
8220 2006-02-13 Roger Sayle <roger@eyesopen.com>
8222 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8223 directly, instead let do_compare_rtx_and_jump handle this for us.
8224 * expr.c (expand_expr_real_1): Likewise.
8225 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8226 before do_jump_by_parts_greater.
8227 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8228 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8230 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8232 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8234 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8236 PR rtl-optimization/26235
8237 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8238 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8239 format.
8241 2006-02-13 Jeff Law <law@redhat.com>
8243 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8244 TRUTH_XOR_EPR.
8246 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8248 PR middle-end/26092
8249 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8250 twice if decl is a builtin. When trying again, call get_callee_fndecl
8251 first to verify it is still a builtin.
8253 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8255 * dwarf2out.c (base_type_die): Don't add AT_name here.
8256 (subrange_type_die): Don't add AT_name here.
8257 (modified_type_die): Rearrange code flow. Do add AT_name here.
8259 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8261 PR rtl-optimization/26247
8262 PR rtl-optimization/26248
8263 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8265 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8267 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8268 * config/fixtfdi.c: Likewise.
8269 * config/fixunstfdi.c: Likewise.
8270 * config/floatditf.c: Likewise.
8272 2006-02-13 Roger Sayle <roger@eyesopen.com>
8274 PR middle-end/24427
8275 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8276 into (X,C2) if C1 is a subset of the bits of C2. Transform
8277 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8278 (X&(C1&~C2))|C2.
8279 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8281 2006-02-13 Josh Conner <jconner@apple.com>
8283 PR target/25376
8284 * varasm.c (function_section): Check for section name before
8285 calling select_section on targets that define
8286 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8287 unlikely_text_section instead of hot_function_section if
8288 first_function_block_is_cold.
8290 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8292 PR middle-end/25335
8293 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8295 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8297 PR rtl-optimization/26222
8298 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8299 after tree->rtl expansion.
8300 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8301 before passing it to emit_move_insn.
8303 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8305 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8306 default.
8307 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8308 Clarify documentation.
8309 * c-common.h (warn_write_strings): Remove.
8310 * c-common.c (warn_write_strings): Likewise.
8311 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8312 default for C++.
8314 2006-02-12 Roger Sayle <roger@eyesopen.com>
8316 PR middle-end/25724
8317 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8318 (do_jump_parts_zero_rtx): New function renamed from
8319 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8320 (do_jump_parts_equality_rtx): New function split out from
8321 do_jump_parts_equality. Old implementation renamed as above.
8322 Call do_jump_parts_zero_rtx if either operand is zero.
8323 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8324 do all of the heavy lifting.
8325 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8326 calling either do_jump_by_parts_greater_rtx or
8327 do_jump_by_parts_equality_rtx.
8328 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8329 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8330 moved to do_compare_rtx_and_jump, call it directly.
8331 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8332 mode argument. Call do_compare_rtx_and_jump.
8333 (emit_case_nodes): Update calls to do_jump_if_equal.
8335 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8337 PR rtl-optimization/26225
8338 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8340 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8342 PR rtl-optimization/26232
8343 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8345 2006-02-11 Jason Merrill <jason@redhat.com>
8347 PR tree-opt/24365
8348 * tree-inline.c (declare_return_variable): Just don't use the
8349 modify target if it's a gimple complex reg and the return slot
8350 isn't.
8352 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8354 * doc/contrib.texi: Update my entry.
8356 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8358 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8360 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8362 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8363 expensive.
8365 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8367 * doc/invoke.texi (-floop-optimize2): Removed.
8368 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8369 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8370 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8371 * common.opt (floop-optimize2): Removed.
8372 (fmove-loop-invariants): Enabled by default.
8374 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8376 * tree-if-conv.c (combine_blocks): Free the result of
8377 get_loop_exit_edges.
8379 2006-02-10 Jeff Law <law@redhat.com>
8381 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8383 PR tree-optimization/26213
8384 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8385 loop trying to follow SSA_NAME_VALUE chains.
8387 2006-02-10 Richard Guenther <rguenther@suse.de>
8389 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8390 deal with structures that end in implicitly variable sized arrays.
8392 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8394 PR rtl-optimization/24762
8395 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8396 eh edges.
8398 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8400 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8401 (struct ivopts_data): Add regs_used field.
8402 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8403 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8404 instead of loop_data->regs_used;
8405 (free_loop_data): Do not free aux fields for loops.
8406 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8407 and tree_ssa_iv_optimize_finalize.
8409 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8411 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8413 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8415 PR target/26141
8416 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8417 computing the effective result type.
8419 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8421 PR inline-asm/16194
8422 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8423 (tree_overlaps_hard_reg_set): Declare.
8424 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8425 type and signature to match function type expected by walk_tree.
8426 (tree_overlaps_hard_reg_set): New function.
8427 (decl_conflicts_with_clobbers_p): Rename to:
8428 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8429 Use tree_overlaps_hard_reg_set. Changed caller.
8430 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8431 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8432 * cris.c (cris_md_asm_clobbers): Likewise.
8434 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8436 * reload1.c (emit_input_reload_insns): Delete code that tries to
8437 inherit using find_equiv_reg.
8439 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8441 * c-common.h (flag_const_strings): Don't declare.
8442 * c-common.c (flag_const_strings): Remove.
8443 * c.opt (fconst_strings): Remove.
8444 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8445 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8446 (c_common_init_options): Don't set flag_const_strings.
8447 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8449 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8451 * arm.md (tlobits_cbranch): New pattern.
8452 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8453 testing a single bit.
8455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8457 PR tree-opt/26179
8458 * tree-ssa-pre.c (create_component_ref_by_pieces):
8459 Handle RETURN_DECL like VAR_DECL.
8461 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8463 PR middle-end/26134
8464 * fold-const.c (fold_indirect_ref_1): Fold
8465 "*(foo *)&complexfoo" to "__real__ complexfoo"
8466 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8468 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8470 * tree-flow-inline.h (var_can_have_subvars):
8471 Volatile variables should not have subvariables.
8473 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8475 PR 26180
8476 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8477 multiplying unsigned values.
8478 Tidy comments.
8480 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8482 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8484 2006-02-08 Jason Merrill <jason@redhat.com>
8486 PR c++/25979
8487 * tree.def: Elaborate on difference from MODIFY_EXPR.
8488 * doc/c-tree.texi (INIT_EXPR): Likewise.
8489 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8490 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8491 (gimplify_target_expr): Likewise.
8492 (gimplify_cond_expr): Remove target handling.
8493 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8494 (gimplify_expr): Clobber it here.
8495 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8496 Do return slot optimization if we have an INIT_EXPR.
8498 PR tree-opt/24365
8499 * tree-inline.c (declare_return_variable): Also clear
8500 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8502 PR c++/16405
8503 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8505 PR middle-end/22439
8506 * gimplify.c (gimplify_one_sizepos): Fix typo.
8508 2006-02-08 Jeff Law <law@redhat.com>
8510 PR tree-optimization/21417
8511 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8512 across a backedge if the control statement at the end of the
8513 block is data dependent on other statements in the same block.
8514 (record_temporary_equivalences_from_stmts): Remove over-conservative
8515 test for threading across backedges.
8517 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8518 control statement, handle all three special cases in the same
8519 manner as they all have the same desired solution. No longer
8520 special case edge flag updating when the post dominator is
8521 the exit block.
8523 2006-02-08 Roger Sayle <roger@eyesopen.com>
8525 * tree.def (CHAR_TYPE): Remove.
8526 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8527 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8528 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8529 (gen_string_type_die): Delete unreachable function.
8531 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8532 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8533 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8534 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8535 * builtins.c (type_to_class): Likewise.
8536 * fold-const.c (fold_convert, build_range_check,
8537 merge_ranges): Likewise.
8538 * expr.c (count_type_elements): Likewise.
8539 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8540 * stor-layout.c (layout_type): Likewise.
8541 * ipa-type-escape.c (type_to_consider): Likewise.
8542 * gimplify.c (omp_firstprivatize_type_sizes,
8543 gimplify_type_sizes): Likewise.
8544 * explow.c (promote_mode): Likewise.
8545 * tree-sra.c (is_sra_scalar_type): Likewise.
8546 * varasm.c (output_constant): Likewise.
8547 * tree-inline.c (remap_type_1): Likewise.
8548 * convert.c (convert_to_pointer, convert_to_real,
8549 convert_to_integer, convert_to_complex): Likewise.
8551 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8553 * df-scan.c (df_def_record_1): A set destination may
8554 be a parallel regardless of mode.
8556 2006-02-08 Roger Sayle <roger@eyesopen.com>
8558 PR target/22209
8559 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8560 * config/mips/_tilib.c: Remove.
8561 * config/fixtfdi.c: New libgcc source file.
8562 * config/fixunstfdi.c: New source file.
8563 * config/floatditf.c: New source file.
8564 * config/floatunditf.c: New souce file.
8565 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8566 files above instead of config/mips/_tilib.c.
8567 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8569 2006-02-08 Jeff Law <law@redhat.com>
8571 PR tree-optimization/26169
8572 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8573 threading jumps.
8575 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8577 * df.h (DF_REG_SIZE): Return the length of the initialized
8578 part of the array.
8580 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8582 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8583 __muldf3): Return a correctly signed zero.
8585 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8587 * passes.c (register_one_dump_file): Accept the current properties
8588 instead of pass number. Adjust call to dump_register. Remove
8589 duplicated code.
8590 (register_dump_files): Now a wrapper around...
8591 (register_dump_files_1): ... this one. Do not modify the pass
8592 structure.
8593 (next_pass_1): Cosmetic fix.
8594 (execute_todo): Keep second parameter only. Use curr_properties
8595 instead of fetching it from the pass structure. Check and set
8596 last_verified.
8597 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8598 instead of fetching it from the pass structure. Fix calls to
8599 execute_todo. Update curr_properties and initialize .vcg RTL dump
8600 after running the pass. Reset last_verified.
8601 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8602 at the beginning.
8603 (FIRST_AUTO_NUMBERED_DUMP): New.
8604 (dump_register): Remove "num" parameter, assign it within the
8605 function.
8606 (get_dump_file_name): Modify template for dumps.
8607 * tree-dump.h (dump_register): Adjust prototype.
8608 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8609 (PROP_trees): Add PROP_gimple_lomp.
8610 (TODO_set_props): New.
8611 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8612 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8613 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8615 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8617 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8618 (sparc64-*-linux*): Likewise.
8619 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8620 * config/sparc/t-linux: New file.
8621 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8622 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8623 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8624 -m32 -mlong-double-128.
8626 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8627 * config/alpha/t-linux: New file.
8628 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8630 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8631 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8632 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8633 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8634 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8635 (CPP_ARCH32_SPEC): Remove.
8637 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8639 PR tree-optimization/26145
8640 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8641 bbs pointer.
8643 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8645 PR target/26109
8646 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8647 >= 240000 when generating code for SOM runtime.
8648 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8649 to $$dyncall when generating code for SOM runtime..
8651 2006-02-07 Dirk Mueller <dmueller@suse.com>
8653 PR c++/18150
8654 * doc/invoke.texi (-Wsequence-point): Update documentation
8655 that -Wsequence-point is implemented for C++ as well.
8657 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8659 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8660 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8661 (LIB_SPEC): Likewise.
8662 * doc/invoke.texi (SPARC options): Document -pthread.
8664 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8666 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8667 PIC addresses.
8669 2006-02-07 Roger Sayle <roger@eyesopen.com>
8671 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8672 Correct comment describing BOOLEAN_TYPE.
8674 2006-02-07 Dirk Mueller <dmueller@suse.com>
8676 * c.opt: C++ frontend supports -Wdiv-by-zero.
8677 * c-opts.c (c_common_handle_option): Remove dead case.
8679 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8681 * configure.ac (TLS assembler check): Do not enable TLS by
8682 default on SPARC/Solaris before version 10.
8683 * configure: Regenerate.
8685 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8687 * doc/invoke.texi (xl-compat): Document conversion and support
8688 routine names.
8690 2006-02-07 Jeff Law <law@redhat.com>
8692 * tree-vrp.c (find_conditional_asserts): Update comments.
8693 (simplify_stmt_for_jump_threading): New.
8694 (identify_jump_threads, finalize_jump_threads): New.
8695 (vrp_finalize): Call identify_jump_threads.
8696 (execute_vrp): Call finalize_jump_threads.
8697 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8698 (vrp_element, vrp_data, vrp_element_p): Remove.
8699 (vrp_hash_elt, vrp_variables_stack): Remove.
8700 (vrp_hash, vrp_eq, record_range): Remove.
8701 (simplify_cond_and_lookup_avail_expr): Remove.
8702 (extract_range_from_cond): Remove.
8703 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8704 (simplify_stmt_for_jump_threading): New.
8705 (dom_thread_across_edge): New wrapper.
8706 (tree_ssa_dominator_optimize): No longer initialize or
8707 finalize any of the VRP datastructures. Remove iteration
8708 step and simplify as a result of removal of iteration step.
8709 (pass_dominator): Perform a cfg cleanup after DOM.
8710 (dom_opt_finalize_block): Use the new common routines
8711 for threading jumps. Simplify stack management slightly.
8712 No longer need to unwind VRP state.
8713 (record_equivalences_from_incoming_edge): No longer record
8714 VRP information.
8715 (eliminate_redundant_computations): No longer call
8716 simplify_cond_and_lookup_avail_expr.
8717 * tree-flow.h (potentially_threadable_block): Prototype.
8718 (thread_across_edge): Likewise.
8719 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8720 (tree-ssa-threadedge.o): Add dependencies.
8721 * tree-ssa-threadedge.c: New file.
8722 * passes.c (init_optimization_passes): Merge PHIs before
8723 calling VRP. Run VRP again late in the SSA optimization pipeline.
8725 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8727 * df-core.c (df_set_blocks): Do not dereference function pointers.
8728 (df_finish1): Likewise.
8729 (df_hybrid_search_forward): Likewise.
8730 (df_hybrid_search_backward): Likewise.
8731 (df_iterative_dataflow): Likewise.
8732 (df_analyze_problem): Likewise.
8733 (df_compact_blocks): Likewise.
8734 (df_dump): Likewise.
8735 * df-scan.c (df_rescan_blocks): Likewise.
8736 (df_record_entry_block_defs): Likewise.
8738 * genconditions.c (write_conditions): Guard the definition of
8739 'insn_conditions' with the check on GCC version.
8740 (write_writer): Guard the traversal 'insn_conditions' with
8741 the check on GCC version.
8743 2006-02-07 Richard Guenther <rguenther@suse.de>
8745 PR c++/26140
8746 Revert
8747 2006-01-30 Richard Guenther <rguenther@suse.de>
8748 PR c++/23372
8749 * gimplify.c (gimplify_target_expr): Handle easy cases
8750 without creating a temporary.
8752 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8754 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8755 use of float in probability computations. Use edge probabilities
8756 in place of statically computed probabilities.
8757 (min_spec_prob): New static variable.
8758 (schedule_insns): Initialize it.
8759 (GET_SRC_PROB): Removed.
8760 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8762 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8764 PR debug/24444
8765 * config/ia64/unwind-ia64.c: Revert last change.
8766 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8767 (INCOMING_FRAME_SP_OFFSET): Define.
8769 2006-02-06 Roger Sayle <roger@eyesopen.com>
8771 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8773 2006-02-07 Ben Elliston <bje@au.ibm.com>
8775 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8776 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8777 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8778 (ix86_return_in_memory): Handle TDmode.
8779 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8780 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8782 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8784 * reorg.c (dbr_schedule): Use dump_file instead of file.
8786 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8788 PR target/25917
8789 * config/ia64/predicates.md (extr_len_operand): New predicate.
8790 * config/ia64/ia64.md (extv): Tighten constraints.
8791 (extzv): Ditto.
8792 (*tbit_and_2): Ditto.
8793 (*tbit_and_3): Ditto.
8794 (*tbit_or_2): Ditto.
8795 (*tbit_or_3): Ditto.
8796 (*bit_zero): Ditto.
8797 (*bit_one): Ditto.
8799 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8801 PR target/23359
8802 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8804 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8806 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8807 loop_optimizer_init and loop_optimizer_finalize
8808 * tree-ssa-sink.c (execute_sink_code): Ditto.
8809 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8810 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8811 tree_ssa_loop_done): Ditto.
8812 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8813 * sched-ebb.c: Include output.h.
8814 (schedule_ebbs): Do not use dump argument.
8815 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8816 * loop.c (loop_dump_stream): Removed.
8817 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8818 argument.
8819 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8820 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8821 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8822 loop_iterations, strength_reduce, record_biv, record_giv,
8823 final_giv_value, check_final_value, check_ext_dependent_givs,
8824 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8825 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8826 dump_file instead of loop_dump_stream.
8827 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8828 argument dump_file.
8829 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8830 dump argument.
8831 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8832 * haifa-sched.c: Include output.h
8833 (schedule_insns, sched_init): Do not use dump argument.
8834 * mode-switching.c (optimize_mode_switching): Ditto.
8835 * modulo-sched.c (stats_file): Removed.
8836 (print_node_sched_params): Do not call argument dump_file.
8837 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8838 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8839 of stats_file.
8840 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8841 use dump argument.
8842 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8843 rtl_loop_init, rtl_loop_done): Ditto.
8844 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8845 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8846 Ditto.
8847 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8848 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8849 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8850 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8851 * emit-rtl.c (renumber_insns): Ditto.
8852 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8853 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8854 * regclass.c (regclass): Ditto.
8855 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8856 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8857 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8858 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8859 Ditto.
8860 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8861 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8862 to regclass.
8863 * gcse.c (gcse_file, debug_stderr): Removed.
8864 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8865 rest_of_handle_gcse): Do not use dump argument.
8866 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8867 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8868 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8869 compute_code_hoist_vbeinout, compute_code_hoist_data,
8870 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8871 compute_store_table, build_store_vectors, insert_insn_start_bb,
8872 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8873 store_motion): Use dump_file instead of gcse_file.
8874 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8875 * profile.c (profile_dump_file): Removed.
8876 (branch_prob): Use dump_file instead of profile_dump_file.
8877 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8878 dump_file.
8879 * tree-ssa-copy.c (dump_copy_of): Ditto.
8880 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8881 dump file to life_analysis.
8882 * bt-load.c (branch_target_load_optimize): Ditto.
8883 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8884 renumber_insns.
8885 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8886 regclass, dbr_schedule): Declaration changed.
8887 * sched-int.h (sched_init): Declaration changed.
8888 * tree-profile.c (tree_profile_dump_file): Removed.
8889 (tree_profile_hooks): Removed profile_dump_file hook.
8890 * rtl-profile (rtl_profile_dump_file): Removed.
8891 (rtl_profile_hooks): emoved profile_dump_file hook.
8892 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8893 changed.
8894 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8895 * tree-cfg.c (build_tree_cfg): Ditto.
8896 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8897 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8898 Declaration changed.
8899 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8900 life_analysis and schedule_insns.
8901 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8902 life_analysis.
8903 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8904 dbr_schedule.
8905 * config/mips/mips.c (mips_reorg): Ditto.
8906 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8907 schedule_ebbs.
8909 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8911 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8912 (s390_mangle_fundamental_type): New.
8913 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8914 Define.
8916 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8917 (alpha_mangle_fundamental_type): New.
8918 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8919 Define.
8921 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8922 Define.
8923 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8924 Define.
8925 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8926 (sparc_mangle_fundamental_type): New.
8928 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8930 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8931 (s390x-*-linux*): Likewise.
8932 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8933 * config/s390/t-linux: New file.
8935 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8937 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8938 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8940 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8942 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8943 (ANTIC_SAFE_LOADS): New macro.
8944 (find_or_generate_expression): Add prototype.
8945 (set_contains_value): Allow null set for sake of not always having
8946 to allocate ANTIC_SAFE_LOADS.
8947 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8948 Allow COMPONENT_REF too.
8949 (valid_in_set): Allow COMPONENT_REF.
8950 Check ANTIC_SAFE_LOADS too.
8951 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8952 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8953 rename.
8954 (can_PRE_operation): Add COMPONENT_REF.
8955 (create_component_ref_by_pieces): New function.
8956 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8957 (insert_aux): Move AGGREGATE_TYPE_P check here.
8958 (compute_avail): Set bb local stmt uids.
8959 (pass_pre): Use TODO_update_ssa_only_virtuals.
8961 2006-02-06 Ben Elliston <bje@au.ibm.com>
8963 * configure.ac: Unconditionally disable decimal float by default.
8964 * configure: Regenerate.
8966 2006-02-06 Ben Elliston <bje@au.ibm.com>
8968 * read-rtl.c (read_name): Terminate reading on EOF.
8970 2006-02-06 Ben Elliston <bje@au.ibm.com>
8972 * dfp.c (decimal_real_arithmetic): Change second argument type
8973 from int to enum tree_code. Do not always return true, but now
8974 return result of any call to decimal_do helper functions.
8975 * dfp.h (decimal_real_arithmetic): Update prototype.
8977 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8979 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8981 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8983 PR tree-opt/25251
8984 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8985 forced labels.
8987 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8989 * tree-vrp.c (cfg_loops): Removed.
8990 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8991 Use current_loops instead of cfg_loops. Pass flags to
8992 loop_optimizer_init.
8993 * cfgloopmanip.c (fix_loop_structure): Update only available
8994 information.
8995 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8996 loop_optimizer_init.
8997 * modulo-sched.c (build_loops_structure): Removed.
8998 (sms_schedule): Use loop_optimizer_init.
8999 * loop-init.c (loop_optimizer_init): Use flags to determine
9000 which properties of loops to prepare.
9001 (rtl_loop_init): Pass flags to loop_optimizer_init.
9002 * tree-ssa-sink.c (execute_sink_code): Ditto.
9003 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9004 * tree-ssa-pre.c (init_pre): Ditto.
9005 * cfgloop.h (LOOPS_NORMAL): New.
9006 (loop_optimizer_init): Declaration changed.
9008 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9010 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9011 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9012 pa/t-pa.
9013 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9014 pa/t-pa.
9015 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9016 pa/x-ada.
9017 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9018 * pa/t-pa64: Delete quadlib.c rule.
9019 * pa/x-ada: Revert last change.
9020 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9022 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9024 PR rtl-optimization/26087
9025 * rtlanal.c (canonicalize_condition): Do not cross basic block
9026 boundaries.
9028 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9030 PR debug/24444
9031 * config/ia64/ia64.c: Include debug.h.
9032 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9033 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9034 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9035 (process_epilogue, process_set, process_for_unwind_directive):
9036 Output unwind info only if requested. Add CFA info if requested.
9037 Add new arguments as needed. Adjust callers.
9038 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9039 incorrect default.
9040 (DWARF2_FRAME_INFO): Define to zero.
9041 * config/ia64/unwind-ia64.c: Remove code that compensated for
9042 the CFA offset error fixed above.
9043 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9044 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9045 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9046 -funwind-tables and -fexceptions to enable frame info.
9047 (dwarf2out_frame_init): Define initial CFA even if
9048 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9049 DWARF2_UNWIND_INFO is nonzero, not just defined.
9050 (dwarf2out_frame_finish): Output non-EH call frame info only
9051 if DWARF2_FRAME_INFO is nonzero.
9052 (convert_cfa_to_loc_list,
9053 compute_frame_pointer_to_cfa_displacement): Define even if
9054 unwind info is not supported.
9055 (gen_subprogram_die): Use the above unconditionally. Remove
9056 legacy alternate code.
9057 * toplev.c (compile_file): Compile in call to
9058 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9059 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9061 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9062 Jakub Jelinek <jakub@redhat.com>
9064 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9065 IBM extended float format long double as "g" on powerpc*-linux.
9067 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9069 PR target/25926
9070 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9071 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9073 2006-02-03 Jason Merrill <jason@redhat.com>
9075 PR c++/25979
9076 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9078 PR middle-end/25977
9079 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9080 on the return slot if it's an NRV.
9082 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9084 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9085 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9086 rewrite_use): Do not handle USE_OUTER.
9087 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9088 add_iv_outer_candidates, may_replace_final_value,
9089 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9090 (find_interesting_uses_op): Functionality of
9091 find_interesting_uses_outer_or_nonlin moved here.
9092 (find_interesting_uses_outside): Use find_interesting_uses_op.
9094 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9096 PR target/25960
9097 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9099 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9100 Ulrich Weigand <uweigand@de.ibm.com>
9102 PR target/25864
9103 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9104 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9105 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9106 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9107 and dxr fields.
9108 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9109 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9110 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9111 Define secondary reloads for TFmode moves.
9112 (constant_modes): Add TFmode.
9113 (NR_C_MODES): Set to 8.
9114 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9115 builtin define.
9116 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9117 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9118 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9119 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9120 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9121 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9122 (FPR mode macro): Add TFmode.
9123 (DSF mode macro): New.
9124 (<de>, <dee> mode attributes): Removed.
9125 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9126 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9127 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9128 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9129 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9130 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9131 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9132 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9133 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9134 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9135 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9136 "*negabs<mode>2", "sqrt<mode>2"):
9137 Changed <de> to <xde>. R constraint replaced by <Rf>.
9138 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9139 <Rf>.
9140 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9141 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9142 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9143 splitters.
9144 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9145 "extenddftf2", "extendsftf2"): New expanders.
9146 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9147 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9148 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9149 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9150 New options.
9151 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9152 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9153 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9154 __floatditf): Add a GCC_4.1.0 symbol version tag.
9155 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9156 the new options.
9158 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9160 PR target/25377
9161 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9162 Use targetm.binds_local_p instead of TREE_PUBLIC.
9164 2006-02-02 Roger Sayle <roger@eyesopen.com>
9166 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9167 on INTEGER_TYPEs to indicate that it denotes a character type.
9168 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9169 signed_char_type_node, unsigned_char_type_node and char_type_node.
9170 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9171 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9172 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9174 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9175 Daniel Berlin <dberlin@dberlin.org>
9177 * tree-tailcall.c (arg_needs_copy_p): New function.
9178 (eliminate_tail_call): Use arg_needs_copy_p.
9179 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9180 (add_virtual_phis): New function.
9182 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9184 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9185 #ignore instead of #scratch for %g7 .register directive.
9187 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9189 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9190 object files.
9192 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9194 * flow.c (calculate_global_regs_live): Assert that there aren't any
9195 EDGE_FAKE edges.
9197 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9199 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9200 what its name says.
9201 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9202 bsi_after_labels iterator.
9203 * tree-if-conv.c (find_phi_replacement_condition,
9204 replace_phi_with_cond_modify_expr): Likewise.
9205 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9206 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9208 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9210 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9212 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9214 PR 25990
9215 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9216 array after growing it.
9218 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9220 PR middle-end/24901
9221 * fold-const.c (fold_checksum_tree): Change type of buf.
9223 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9225 * reload.c (push_secondary_reload): Initialize t_icode.
9227 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9229 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9230 -msoft-float -mlong-double-128 only issue a warning, but don't
9231 swich to DFmode long double.
9233 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9235 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9236 has a constant equivalent, iterate over equivalents for arg0,
9237 calling simplify_relational_operation and if there's a result
9238 cheaper than X, apply fold_rtx and return the result.
9240 2006-02-01 Jan Hubicka <jh@suse.cz>
9242 * opts.c (no_unit_at_a_time_default): New global variable.
9243 (decode_options): Use it.
9244 * opts.h (no_unit_at_a_time_default): Declare.
9246 2006-02-01 Paul Brook <paul@codesourcery.com>
9248 * function.c (assign_parm_setup_reg): Use function argument promotion
9249 rules.
9250 * expr.c (expand_expr_real_1): Use function argument promotion rules
9251 for PARM_DECLs.
9253 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9255 * gcc.c (process_command): Change j to 'unsigned int'.
9257 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9259 PR middle-end/26001
9260 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9261 Use the corrected index for the character
9262 out of the string constant.
9264 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9266 * mode-switching.c (optimize_mode_switching): Fix size
9267 allocated for bb_info[n_entities].
9269 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9271 * gcc.c (main): Correct type that is allocated for
9272 explicit_link_files.
9274 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9276 * config/s390/s390.c (init_alignment_context): Set
9277 ALIAS_SET_MEMORY_BARRIER on the MEM.
9278 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9280 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9282 PR middle-end/25933
9283 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9284 dom_bbs pointer.
9285 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9286 call to tpa_init.
9288 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9290 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9291 * regrename.c: Ditto.
9292 * tree-ssa-loop-im.c: Ditto.
9293 * tree-dump.c: Ditto.
9294 * tree-complex.c: Ditto.
9295 * genrecog.c: Ditto.
9296 * tree-ssa-threadupdate.c: Ditto.
9297 * tracer.c: Ditto.
9298 * java/class.c: Ditto.
9299 * java/jcf-parse.c: Ditto.
9300 * java/resource.c: Ditto.
9301 * java/except.c: Ditto.
9302 * java/jvspec.c: Ditto.
9303 * java/jcf-write.c: Ditto.
9304 * java/jcf-path.c: Ditto.
9305 * java/gjavah.c: Ditto.
9306 * java/zextract.c: Ditto.
9307 * java/jcf-io.c: Ditto.
9308 * java/jcf.h: Ditto.
9309 * java/buffer.c: Ditto.
9310 * java/lang.c: Ditto.
9311 * java/parse-scan.y: Ditto.
9312 * java/lex.c: Ditto.
9313 * java/lex.h: Ditto.
9314 * cfgloopmanip.c: Ditto.
9315 * postreload-gcse.c: Ditto.
9316 * tree-ssa-loop-manip.c: Ditto.
9317 * postreload.c: Ditto.
9318 * tree-ssa-loop-ch.c: Ditto.
9319 * loop.c: Ditto.
9320 * ipa-cp.c: Ditto.
9321 * cppspec.c: Ditto.
9322 * diagnostic.c: Ditto.
9323 * final.c: Ditto.
9324 * genoutput.c: Ditto.
9325 * gcc.c: Ditto.
9326 * cfghooks.c: Ditto.
9327 * cfgloopanal.c: Ditto.
9328 * objc/objc-act.c: Ditto.
9329 * gcov.c: Ditto.
9330 * genextract.c: Ditto.
9331 * genautomata.c: Ditto.
9332 * pretty-print.c: Ditto.
9333 * genemit.c: Ditto.
9334 * cgraphunit.c: Ditto.
9335 * flow.c: Ditto.
9336 * df-scan.c: Ditto.
9337 * haifa-sched.c: Ditto.
9338 * dominance.c: Ditto.
9339 * dbxout.c: Ditto.
9340 * tree-ssa-loop-ivopts.c: Ditto.
9341 * df-core.c: Ditto.
9342 * mode-switching.c: Ditto.
9343 * modulo-sched.c: Ditto.
9344 * graph.c: Ditto.
9345 * ipa-pure-const.c: Ditto.
9346 * cse.c: Ditto.
9347 * fix-header.c: Ditto.
9348 * web.c: Ditto.
9349 * tree-stdarg.c: Ditto.
9350 * ipa-utils.c: Ditto.
9351 * loop-init.c: Ditto.
9352 * ipa-inline.c: Ditto.
9353 * cfganal.c: Ditto.
9354 * global.c: Ditto.
9355 * alloc-pool.c: Ditto.
9356 * dwarf2out.c: Ditto.
9357 * opts.c: Ditto.
9358 * genattrtab.c: Ditto.
9359 * tree-ssa-loop-ivcanon.c: Ditto.
9360 * predict.c: Ditto.
9361 * timevar.c: Ditto.
9362 * lcm.c: Ditto.
9363 * fortran/gfortranspec.c: Ditto.
9364 * regmove.c: Ditto.
9365 * local-alloc.c: Ditto.
9366 * langhooks.c: Ditto.
9367 * function.c: Ditto.
9368 * tree-vectorizer.c: Ditto.
9369 * gcse.c: Ditto.
9370 * ipa-type-escape.c: Ditto.
9371 * alias.c: Ditto.
9372 * tree-if-conv.c: Ditto.
9373 * profile.c: Ditto.
9374 * ipa.c: Ditto.
9375 * tree-data-ref.c: Ditto.
9376 * loop-unroll.c: Ditto.
9377 * treelang/treetree.c: Ditto.
9378 * calls.c: Ditto.
9379 * bt-load.c: Ditto.
9380 * ggc-common.c: Ditto.
9381 * except.c: Ditto.
9382 * coverage.c: Ditto.
9383 * cselib.c: Ditto.
9384 * tree-cfgcleanup.c: Ditto.
9385 * tree-ssa-pre.c: Ditto.
9386 * cfgcleanup.c: Ditto.
9387 * loop-invariant.c: Ditto.
9388 * loop-iv.c: Ditto.
9389 * ipa-prop.c: Ditto.
9390 * print-tree.c: Ditto.
9391 * conflict.c: Ditto.
9392 * ggc-page.c: Ditto.
9393 * sched-deps.c: Ditto.
9394 * regclass.c: Ditto.
9395 * tree-object-size.c: Ditto.
9396 * combine.c: Ditto.
9397 * bb-reorder.c: Ditto.
9398 * resource.c: Ditto.
9399 * var-tracking.c: Ditto.
9400 * cfgloop.c: Ditto.
9401 * df-problems.c: Ditto.
9402 * reg-stack.c: Ditto.
9403 * tlink.c: Ditto.
9404 * gccspec.c: Ditto.
9405 * sched-rgn.c: Ditto.
9406 * tree-ssa-structalias.c: Ditto.
9407 * tree-ssa-reassoc.c: Ditto.
9408 * config/darwin-c.c: Ditto.
9409 * config/darwin.c: Ditto.
9410 * config/arm/arm.c: Ditto.
9411 * cfgrtl.c: Ditto.
9412 * collect2.c: Ditto.
9413 * reload1.c: Ditto.
9415 2006-01-31 Nicolas Pitre <nico@cam.org>
9417 * arm.md (smaxsi3): Make aware of smax_m1.
9418 (smax_m1): New.
9420 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9422 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9424 2006-01-31 Richard Guenther <rguenther@suse.de>
9426 * doc/invoke.texi (-msselibm): Document.
9427 * target.h (expand_library_builtin): New target hook.
9428 * builtins.c (expand_builtin): Use expand_library_builtin.
9429 (default_expand_library_builtin): New function.
9430 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9431 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9432 (link_gcc_math_spec): Declare.
9433 (static_specs): Add link_gcc_math_spec.
9434 * expr.h (default_expand_library_builtin): Declare.
9435 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9436 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9437 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9438 * config/i386/i386.opt (msselibm): New target option.
9439 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9440 (ix86_init_sse_abi_builtins): New function.
9441 (ix86_expand_library_builtin): Likewise.
9442 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9443 (override_options): Handle error conditions wrt -msselibm.
9444 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9445 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9446 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9447 builtins.
9449 2006-01-31 Richard Guenther <rguenther@suse.de>
9450 Paolo Bonzini <bonzini@gnu.org>
9452 * doc/install.texi (--disable-libgcc-math): Document.
9454 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9456 * expr.h (expand_normal): new inline function.
9457 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9458 * dojump.c: use it.
9459 * dwarf2out.c: use it.
9460 * expr.c: use it.
9461 * calls.c: use it.
9462 * expmed.c: use it.
9463 * except.c: use it.
9464 * config/sparc/sparc.c: use it.
9465 * config/i386/i386.c: use it.
9466 * config/rs6000/rs6000.c: use it.
9467 * config/arm/arm.c: use it.
9468 * config/mips/mips.c: use it.
9469 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9471 2006-01-30 Roger Sayle <roger@eyesopen.com>
9473 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9474 argv to the appropriate type.
9476 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9478 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9479 unreachable code.
9481 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9483 PR target/26018
9484 * config/s390/s390.c (struct machine_function): New flag
9485 decomposed_literal_pool_addresses_ok_p.
9486 (s390_reorg): Set it before final stage of literal pool transforms.
9487 (s390_decompose_address): Only accept displacements of the form
9488 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9490 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9492 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9493 the comparison routine return.
9495 2006-01-30 Michael Matz <matz@suse.de>
9497 * global.c (find_reg): Only evict for global regs.
9498 Take n_refs into account and dump more info.
9500 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9502 PR target/14798:
9503 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9504 (pragma_trap, pragma_nosave_low_regs): Likewise.
9505 (current_function_anonymous_args): Likewise.
9506 (sh_deferred_function_attributes): New variable.
9507 (sh_deferred_function_attributes_tail): Likewise.
9508 (print_operand): For '@', look up trap_exit attribute.
9509 (calc_live_regs): Look up trapa_handler attribute. For trapa
9510 handlers, save/restore fpscr, but don't do any other
9511 interrupt-specific saves.
9512 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9513 Fix check for partially saved registers to check for SHmedia.
9514 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9515 (sh_output_function_epilogue): Don't clear any of the removed
9516 variables.
9517 (sh_insert_attributes): Don't check pragma_interrupt.
9518 Insert deferred attributes. Check that interrupt attribute is
9519 present for other attributes that require its presence.
9520 (sh_attribute_table): Add new attributes trapa_handler and
9521 nosave_low_regs.
9522 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9523 Don't check for pragma_interrupt. Don't store argument.
9524 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9525 (sh_deferred_function_attributes): Declare.
9526 (sh_deferred_function_attributes_tail): Likewise.
9527 * sh.md (sp_switch_1): Add operand. Change generator caller.
9528 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9529 (*return_i): Don't use when trap_exit attribute is in effect.
9530 (*return_trapa): New insn pattern.
9531 * sh-c.c: New file.
9532 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9533 setting c_target_objs and cxx_target_objs.
9534 * t-sh: Add rule for sh-c.o.
9536 2006-01-30 Richard Guenther <rguenther@suse.de>
9538 PR c++/23372
9539 * gimplify.c (gimplify_target_expr): Handle easy cases
9540 without creating a temporary.
9542 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9544 * vec.h (safe_grow): Remove duplicated line.
9546 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9548 PR 25874
9549 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9550 (expand_omp): ... here.
9551 (expand_omp_parallel): Only remove barriers for combined
9552 parallel+workshare constructs.
9554 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9556 Revert
9558 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9559 * tree.c (build_qualified_type): Chain the new type to the original
9560 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9561 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9562 (build_pointer_type_for_mode): Only return unqualified types.
9563 (build_reference_type_for_mode): Likewise.
9565 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9567 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9568 * Makefile.in (CXX_COMPAT_WARN): Define.
9569 * configure: Regenerate.
9571 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9573 PR tree-opt/25911
9574 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9575 to an if check.
9577 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9579 * toplev.c: Fix thinko.
9581 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9582 Marcin Dalecki <martin@dalecki.de>
9584 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9585 (push_srcloc): Use XNEW.
9586 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9588 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9590 * df-core.c (df_set_blocks): Deleted all variable.
9592 2006-01-28 Ian Lance Taylor <ian@airs.com>
9594 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9595 cgraph_output_pending_asms.
9597 2006-01-28 Zack Weinberg <zackw@panix.com>
9599 * c.opt: Add -W(no-)overlength-strings.
9600 * doc/invoke.texi: Document it.
9601 * c-opts.c (c_common_handle_option): -pedantic implies
9602 -Woverlength-strings, if not explicitly disabled already.
9603 (c_common_post_options): -Woverlength-strings defaults to off, and
9604 is always off for C++.
9605 * c-common.c (fix_string_type): Issue warning about strings longer
9606 than is portable only if warn_overlength_strings. Rearrange code
9607 a little for clarity.
9608 * configure.in: Check for -Wno-overlength-strings as well before
9609 enabling -pedantic in stage 1.
9610 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9611 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9613 * genconditions.c (write_header, write_one_condition)
9614 (write_conditions, write_writer): Consolidate very long strings
9615 that were broken up to fit in C89 portable limit. Don't use
9616 printf when fputs will do.
9618 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9620 * combine.c (simplify_comparison <AND>): Check
9621 TRULY_NOOP_TRUNCATION before start using a subreg.
9623 * config/mips/mips.md (*branch_zero<mode>,
9624 *branch_zero<mode>_inverted, *branch_equality<mode>,
9625 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9626 Remove mode check from comparisons.
9628 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9630 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9632 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9634 * expmed.c (const_mult_add_overflow_p): Remove.
9635 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9637 * recog.c (validate_replace_rtx_subexp): Remove.
9638 * recog.h: Remove the prototype for
9639 validate_replace_rtx_subexp.
9641 * integrate.h: Remove the prototype for
9642 copy_decl_for_inlining.
9643 * rtl.h: Remove the prototype for mark_constant_function.
9644 * tree-vectorizer.h: Remove the prototype for
9645 vect_strip_conversion.
9647 * modulo-sched.c (create_partial_schedule,
9648 free_partial_schedule, reset_partial_schedule): Make them
9649 static.
9651 * hooks.c (hook_bool_rtx_int_false): Remove.
9652 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9654 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9656 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9657 and -mlong-double-128 are incompatible.
9658 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9659 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9660 (TARGET_LIBGCC2_CFLAGS): Define.
9661 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9662 (TARGET_LIBGCC2_CFLAGS): Same.
9663 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9665 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9667 PR c/19606.
9668 * c-typeck.c (build_binary_op): Perform implicit casts of
9669 operands before shortening them.
9671 * cfgloopmanip.c (split_loop_bb): Remove.
9672 * cfgloop.h: Remove the prototype for split_loop_bb.
9674 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9675 * cfgloop.h: Remove the prototype for
9676 flow_loop_outside_edge_p.
9678 * emit-rtl.c (init_virtual_regs): Make it static.
9679 * function.h: Remove the prototype for init_virtual_regs.
9681 * recog.c (peephole2_optimize): Make it static.
9682 * recog.h: Remove the prototype for peephole2_optimize.
9684 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9686 * df-scan.c (df_record_entry_block_defs): Check if
9687 INCOMING_RETURN_ADDR_RTX is defined.
9689 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9690 Kenneth Zadeck <zadeck@naturalbridge.com>
9692 PR rtl-optimization/24762
9693 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9694 * targhooks.c (hook_void_bitmap): New hook prototype.
9695 * targhoohs.h (hook_void_bitmap): Ditto.
9696 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9697 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9698 * target.h (live_on_entry): New function pointer.
9699 * df-scan.c (df_all_hard_regs): Removed.
9700 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9701 (df_scan_free_internal): Added df->entry_block_defs.
9702 (df_scan_alloc): Ditto.
9703 (df_scan_dump): Ditto.
9704 (df_uses_record): Plumbed flag field properly thru calls.
9705 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9706 This part fixes PR24762.
9707 (df_bb_refs_record): Added code to make the frame and arg
9708 pointers live in EH blocks.
9709 (df_refs_record): Added call to df_record_entry_block_defs.
9710 (df_record_entry_block_defs): New function.
9711 * df-core.c: Added comments to describe new artifical defs.
9712 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9713 (entry_block_defs): New field in struct df.
9714 (df_all_hard_regs): Deleted.
9715 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9716 * df-problems.c (df_ru_bb_local_compute_process_def):
9717 Added code to handle artifical defs in the entry to a function.
9718 (df_ru_bb_local_compute): Ditto.
9719 (df_rd_bb_local_compute_process_def): Ditto.
9720 (df_rd_bb_local_compute): Ditto.
9721 (df_lr_bb_local_compute): Ditto.
9722 (df_ur_bb_local_compute): Ditto.
9723 (df_urec_bb_local_compute): Ditto.
9724 (df_chain_create_bb): Ditto.
9725 (df_ur_local_finalize): Removed entry.
9726 (df_urec_init): Ditto.
9727 (df_urec_local_finalize): Ditto.
9728 (df_ri_bb_compute): Added detection of last use of pseudos.
9729 * Makefile.in (df-scan.o): Updated dependencies.
9730 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9731 * config/mips/mips.c (mips_set_live_on_entry): Added.
9732 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9733 for target hook.
9734 * dce.c (marked_insn_p): Added code to handle artifical defs.
9736 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9738 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9739 intrinsic.
9740 (_mm_cvtsi128_si64): Likewise.
9741 (_mm_cvtsd_si64): Likewise.
9742 (_mm_cvttsd_si64): Likewise.
9743 (_mm_cvtsi64_sd): Likewise.
9744 (_mm_cvtsi64_si128): Likewise.
9745 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9746 (_mm_cvtsi64_m64): Likewise.
9747 (_m_to_int64): Likewise.
9748 (_mm_cvtm64_si64): Likewise.
9749 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9750 (_mm_cvttss_si64): Likewise.
9751 (_mm_cvtsi64_ss): Likewise.
9752 (_mm_cvtss_f32): Likewise.
9754 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9756 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9757 for pragma redefine_extname.
9759 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9761 PR target/25864
9762 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9763 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9764 -mno-minimal-toc to previous content.
9765 (bispecs): Remove goal.
9766 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9767 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9768 compatibility aliases on powerpc-*-*gnu*.
9769 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9770 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9771 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9772 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9773 (ldblspecs): New goal.
9774 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9775 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9776 _df_to_tf.
9777 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9778 L_sf_to_tf or L_df_to_tf is defined.
9780 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9781 Alan Modra <amodra@bigpond.net.au>
9783 PR target/25864
9784 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9785 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9786 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9787 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9788 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9789 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9790 (rs6000_override_options): Initialize rs6000_ieeequad.
9791 Initialize TFmode format to ibm_extended_format if not
9792 TARGET_IEEEQUAD.
9793 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9794 ieeelongdouble.
9795 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9796 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9797 (function_arg_advance): IBM long double passed in two FPRs, not
9798 split.
9799 (function_arg): IBM long double passed in FPRs.
9800 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9801 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9802 Only multireg GPR aligned.
9803 (rs6000_init_libfuncs): Enable IBM long double functions if not
9804 IEEEQUAD.
9805 (rs6000_generate_compare): Use IBM long double compare if not
9806 TARGET_IEEEQUAD.
9807 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9808 (TARGET_IEEEQUAD): Define.
9809 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9810 not TARGET_IEEEQUAD.
9811 * config/rs6000/rs6000.md: Enable TFmode patterns if
9812 !TARGET_IEEEQUAD.
9813 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9814 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9815 and -mlong-double-128 are incompatible.
9816 * doc/invoke.texi (-mabi): Collect options together. Add
9817 ibmlongdouble and ieeelongdouble.
9819 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9821 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9822 opaque type.
9823 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9824 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9825 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9826 * rtl.h (rtunion_def): Remove rt_ptr.
9827 (X0PTR): Delete.
9828 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9829 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9830 * config/i386/winnt.c (i386_pe_mark_dllexport)
9831 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9833 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9835 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9837 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9839 PR other/24829
9840 PR target/24831
9841 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9842 pthread_key_delete. From John David Anglin. gthrw-ify
9843 pthread_getunique_np only if it it's not a macro. Delete
9844 UNUSED macro.
9845 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9846 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9847 __gthread_objc_condition_signal, __gthread_key_delete): Add
9848 "__attribute__ ((__unused__))" to unused arguments.
9849 (__gthread_recursive_mutex_init_function): Add missing return.
9850 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9851 gthr-posix95.h: Use macro-based approach for name redirection
9852 on targets missing weakref.
9854 2006-01-26 Zack Weinberg <zackw@panix.com>
9856 * genconditions.c (write_header): In generated code, #ifdef out
9857 all includes and fake declarations, except includes of bconfig.h
9858 and system.h, unless GCC_VERSION >= 3001. Do not include
9859 gensupport.h in any case.
9860 (write_conditions): Generate a definition of struct c_test. Add
9861 a comment to the generated #endif.
9862 (write_one_condition): Escape backslashes in string too.
9863 (write_writer): Generated code must escape backslashes and quote
9864 marks (but not newlines) in the strings it writes.
9865 * Makefile.in (build/gencondmd.o): Update dependencies.
9867 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9869 PR target/25961
9870 * Makefile.in (insn-automata.o): Add header file dependencies.
9871 * genautomata.c: Add includes.
9873 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9875 PR target/25961
9876 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9878 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9880 * configure.ac: Expect target tools paths to be passed from the toplevel
9881 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9882 AS_SET_VAR_IF.
9883 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9885 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9887 PR c/25892
9888 * c.opt (Wpointer-sign): Init to -1.
9889 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9890 OPT_pedantic, to 0 otherwise.
9891 * doc/invoke.texi: Update.
9893 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9895 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9896 constants provided by 80387 instructions in the destination mode.
9898 2006-01-26 Richard Guenther <rguenther@suse.de>
9899 Andrew Pinski <pinskia@physics.uc.edu>
9901 PR tree-opt/21470
9902 partial PR tree-opt/17064
9903 * tree-ssa-structalias.c (intra_create_variable_infos):
9904 Create heap variables for incoming parameters if
9905 flag_argument_noalias > 1.
9906 (find_what_p_points_to): Look through default defs of
9907 parameter decls.
9909 2006-01-26 Jeff Law <law@redhat.com>
9911 PR ada/25900
9912 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9913 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9914 within the VR_RANGE, use the VR_RANGE as the result, not the
9915 VR_ANTI_RANGE.
9916 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9917 bounds for the type.
9919 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9921 * tree-ssa-alias.c (maybe_create_global_var): Change
9922 subvar walking to an assertion that we don't have subvar'd variables.
9924 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9926 PR C/25861
9927 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9928 Use a new variable, inner. PARM_DECLs are always non-weak.
9930 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9932 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9933 --disable-checking.
9935 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9937 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9939 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9941 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9942 (smax_insn, smin_insn, smax_0, smin_0): New.
9944 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9946 PR target/25947
9947 * config/cris/cris.c (cris_order_for_addsi3): New function.
9948 * config/cris/cris-protos.h: Prototype it.
9949 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9950 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9951 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9952 (split for "op.S1 [rx=rx+i],ry (swapped)")
9953 (split for "op(s|u).S1 [rx=rx+i],ry")
9954 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9955 Apply cris_order_for_addsi3 when generating addsi3 insns.
9957 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9959 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9960 (TREE_BLOCK): Add call to EXPR_CHECK.
9962 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9964 PR 25886
9965 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9966 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9967 (dump_omp_clauses): ... here.
9968 (dump_generic_node): Handle OMP_CLAUSE.
9969 * tree.c (omp_clause_num_ops): New.
9970 (omp_clause_code_name): New.
9971 (tree_code_size): Handle OMP_CLAUSE.
9972 (tree_size): Likewise.
9973 (make_node): Document handling of OMP_CLAUSE.
9974 (tree_node_structure): Handle OMP_CLAUSE.
9975 (omp_clause_check_failed): New.
9976 (omp_clause_range_check_failed): New.
9977 (omp_clause_operand_check_failed): New.
9978 (build_omp_clause): New.
9979 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9980 * tree.h (enum omp_clause_code): Declare.
9981 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9982 (OMP_CLAUSE_RANGE_CHECK): Define.
9983 (OMP_CLAUSE_ELT_CHECK): Define.
9984 (omp_clause_check_failed): Declare.
9985 (omp_clause_operand_check_failed): Declare.
9986 (omp_clause_range_check_failed): Declare.
9987 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9988 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9989 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9990 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9991 (OMP_CLAUSE_IF_EXPR): Likewise.
9992 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9993 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9994 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9995 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9996 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9997 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9998 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9999 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10000 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10001 (OMP_CLAUSE_CODE): Define.
10002 (OMP_CLAUSE_SET_CODE): Define.
10003 (OMP_CLAUSE_CODE): Define.
10004 (OMP_CLAUSE_OPERAND): Define.
10005 (struct tree_omp_clause): Declare.
10006 (union tree_node): Add field 'omp_clause'.
10007 * treestruct.def (TS_OMP_CLAUSE): Define.
10008 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10009 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10010 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10011 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10012 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10013 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10014 (OMP_CLAUSE): Define.
10015 * print-tree.c (print_node): Handle OMP_CLAUSE.
10016 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10017 * c-typeck.c: Likewise.
10018 * gimplify.c: Likewise.
10019 * c-omp.c: Likewise.
10020 * tree-nested.c: Likewise.
10021 * tree-inline.c: Likewise.
10022 * c-parser.c: Likewise.
10023 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10024 clauses.
10026 2006-01-25 Roger Sayle <roger@eyesopen.com>
10028 PR rtl-optimization/25703
10029 * combine.c (try_combine): Handle zero_extract and strict_low_part
10030 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10032 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10034 * global.c: Fix comment typos.
10036 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10038 PR target/25758
10039 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10040 Use output_addr_const instead of assemble_name.
10042 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10044 * Makefile.in (sched-vis.o): Update dependencies.
10045 * haifa-sched.c (sched_finish): Clear current_sched_info.
10046 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10047 (dump_flow_info): Call it.
10048 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10049 a slim RTL dump.
10050 * basic-block.h (dump_bb_info): Declare.
10051 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10052 option, and apply options only for dump files whose TDF_RTL,
10053 TDF_TREE, or TDF_IPA bits match.
10054 * rtl.h: Declare new functions exported from sched-vis.c.
10055 * sched-vis.c: Enable also if scheduling is not used.
10056 (print_value): Print the mode of registers if not inside scheduling.
10057 (print_insn): Make it work outside the scheduler. Beautify the output
10058 a bit.
10059 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10061 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10063 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10064 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10065 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10066 depending on the value of CONSTANT_POOL_ADDRESS_P.
10067 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10068 SYMBOL_REF_DECL.
10069 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10070 rather than SYMBOL_REF_DECL.
10071 (rtx_constant_pool): Remove const_rtx_sym_htab.
10072 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10073 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10074 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10075 Remove handling of const_rtx_sym_htab.
10076 (find_pool_constant): Delete.
10077 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10078 rather than find_pool_constant.
10079 (get_pool_constant_for_function): Delete.
10080 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10081 find_pool_constant.
10082 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10083 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10084 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10085 (SYMBOL_REF_CONSTANT): New macro.
10086 (get_pool_constant_for_function): Delete.
10087 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10088 rather than SYMBOL_REF_DECL.
10089 (i386_pe_mark_dllimport): Likewise.
10090 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10091 rather than SYMBOL_REF_DECL.
10092 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10093 (machopic_indirect_call_target): Likewise.
10095 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10097 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10099 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10101 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10103 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10105 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10107 2006-01-24 David Daney <ddaney@avtrex.com>
10109 PR java/25816
10110 * configure.ac (enable_tls): New enable option.
10111 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10112 * configure: Regenerate.
10113 * doc/install.texi (--enable-tls): Document new option.
10114 (--disable-tls): Ditto.
10116 2006-01-24 Richard Henderson <rth@redehat.com>
10118 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10119 * alias.c (true_dependence): Respect it.
10120 (canon_true_dependence, write_dependence_p): Likewise.
10121 * builtins.c (get_builtin_sync_mem): Set it.
10123 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10125 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10126 efficient way.
10128 2006-01-24 DJ Delorie <dj@redhat.com>
10130 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10131 for storing constants in single-bit bitfields.
10133 2006-01-25 Ben Elliston <bje@au.ibm.com>
10135 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10137 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10139 PR tree-opt/25860
10140 * tree-ssa-pre.c (phi_translate): Return NULL
10141 for AGGREGATE_TYPE's.
10143 2006-01-24 Zack Weinberg <zackw@panix.com>
10145 * genautomata.c (process_state_for_insn_equiv_partition):
10146 Use xcalloc for insn_arcs_array.
10147 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10148 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10150 2006-01-24 Richard Henderson <rth@redhat.com>
10152 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10153 update all callers.
10155 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10157 PR rtl-optimization/25890
10158 PR rtl-optimization/25905
10159 * combine.c (expand_compound_operation, expand_field_assignment):
10160 Fail if the bitfield's final position is out of bounds.
10162 2006-01-24 Ian Lance Taylor <ian@airs.com>
10164 PR middle-end/25930
10165 * cgraphunit.c (cgraph_output_in_order): Don't clear
10166 cgraph_asm_nodes until after asm strings have been output.
10168 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10170 * fix-header.c (read_scan_file): Add new parameter imultilib when
10171 calling register_include_chains.
10173 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10175 * omp-low.c: Update documentation.
10177 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10178 Daniel Berlin <dberlin@dberlin.org>
10180 PR tree-opt/25315
10181 PR tree-opt/25857
10182 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10183 return from the function.
10185 2006-01-22 Zack Weinberg <zackw@panix.com>
10187 * rtl.def (match_code): Add second argument.
10188 * genpreds.c (write_extract_subexp): New function.
10189 (write_match_code): Add path argument. Use write_extract_subexp.
10190 (write_predicate_expr): Pass path to write_match_code.
10191 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10192 not perform a mode test.
10193 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10194 a subexpression does not constrain the top-level code set.
10195 * read-rtl.c (read_rtx_variadic): New function.
10196 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10197 * doc/md.texi: Document new notation.
10198 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10199 (cmpsi_operand): ... here, using new notation.
10201 2006-01-22 Zack Weinberg <zackw@panix.com>
10203 * varray.c: Remove GENERATOR_FILE #ifdefs.
10205 2006-01-22 Zack Weinberg <zackw@panix.com>
10207 * genautomata.c (output_reserved_units_table): Emit nothing if
10208 description->query_units_num is zero. Remove extra blank line.
10209 (output_cpu_unit_reservation_p): Short circuit
10210 if description->query_units_num is zero.
10212 2006-01-22 Zack Weinberg <zackw@panix.com>
10214 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10215 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10216 nor any of the random handful of variables that used to be necessary
10217 when this program was linked with rtlanal.o. Prune set of forward
10218 function declarations.
10219 (struct attr_desc): Remove static_p field.
10220 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10221 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10222 (attr_string): Do not read the character one past the length of
10223 the string.
10224 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10225 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10226 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10227 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10228 (make_automaton_attrs): New.
10229 (main): Do not call into genautomata. Call local gen_bypass
10230 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10231 Remove special case for insn_alts.
10232 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10233 varray.h (leftover from previous change). Prune set of forward
10234 function declarations. Remove state_alts fields from all
10235 structures. Remove state_alts_table from struct automaton.
10236 Make everything except main static. Do not maintain num_dfa_decls.
10237 Do not maintain state_alts fields of various structures.
10238 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10239 (add_arc): Remove state_alts argument. All callers updated.
10240 (output_reserved_units_table): Emit #ifdef here...
10241 (output_tables): ...not here. Don't generate state_alts tables.
10242 (expand_automata): Don't generate attributes.
10243 (write_automata): Don't generate state_alts functions.
10244 (main): New function.
10245 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10246 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10247 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10248 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10249 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10250 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10251 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10252 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10253 Delete.
10254 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10255 * genattrtab.h: Delete file.
10256 * Makefile.in (OBJS-common): Add insn-automata.o.
10257 (insn-automata.o): New rule.
10258 (simple_generated_c): Add insn-automata.c.
10259 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10260 (genprogmd): Add automata.
10261 (build/genattrtab): Needs no extra objects nor libraries.
10262 (build/genautomata): Needs build/vec.o and -lm.
10264 2006-01-22 Zack Weinberg <zackw@panix.com>
10266 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10267 (output_dfa_max_issue_rate, locked_states_num): Delete.
10268 (struct automaton): Add locked_states field.
10269 (output_dead_lock_vect): Save number of locked states in
10270 automaton->locked_states. If it is zero, don't print anything.
10271 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10272 (output_internal_dead_lock_func): Only test the dead_lock_vect
10273 for automata that have locked states.
10274 (output_statistics): Always print the number of locked states for
10275 each automaton. Calculate total number of locked states here.
10276 (write_automata): Don't call output_dfa_max_issue_rate.
10277 * genattrtab.c: Define length_unit_log as a const variable.
10278 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10279 max_insn_queue_index const.
10280 * final.c (length_unit_log): Declare const.
10281 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10283 2006-01-22 Zack Weinberg <zackw@panix.com>
10285 * genautomata.c: Include vec.h, not varray.h.
10286 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10287 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10288 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10289 VEC_* macros operating on appropriately typed vectors, or to
10290 malloced arrays when the size is known in advance. Const-ify
10291 many char* variables and function arguments. No functional changes.
10292 * Makefile.in (build/varray.o): Delete rule.
10293 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10294 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10296 2006-01-22 Zack Weinberg <zackw@panix.com>
10298 * gensupport.c: Define get_insn_name and record_insn_name here.
10299 (read_md_rtx): Call record_insn_name as appropriate.
10300 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10301 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10302 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10303 record_insn_name.
10304 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10305 (BUILD_VARRAY): Delete.
10306 (genprognormal): Rename genprogmd. Fold in all programs from
10307 genprognoprint; also attrtab.
10308 (build/genattrtab): Just mention genautomata.o and varray.o.
10309 Reorganize a bit, add comments to make the categories clearer.
10311 2006-01-22 Zack Weinberg <zackw@panix.com>
10313 * genconditions.c (condition_table, add_condition): Delete.
10314 (write_conditions): Don't emit n_insn_conditions nor
10315 insn_elision_unavailable. Issue the gcc version #ifdef here,
10316 inside the table, with no #else clause ...
10317 (write_header): ...not here.
10318 (write_writer): New function.
10319 (main): Don't initialize condition_table. Use add_c_test.
10320 Call write_writer.
10321 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10322 files on the command line.
10323 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10324 Return -1 if there is no entry in the table, don't abort.
10325 (add_c_test, traverse_c_tests): New functions.
10326 * gensupport.h (insn_elision_unavailable, insn_conditions)
10327 (n_insn_conditions): Delete declarations.
10328 (add_c_test, traverse_c_tests): Declare.
10329 * read-rtl.c: Include gensupport.h.
10330 (read_conditions): New function.
10331 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10332 (read_rtx_1): If we get EOF when we were looking for an initial
10333 open paren, return 0. Call read_conditions when appropriate.
10334 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10335 dummy-conditions.o. Eliminate references to insn-conditions.o,
10336 or change them to build/gencondmd.o, as appropriate. Remove
10337 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10338 from $(simple_generated_c). For all files remaining in those
10339 two lists, add insn-conditions.md to the generator command line.
10340 Give insn-constants.h/s-constants their own rules. Add rules
10341 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10342 (build/read-rtl.o): Depend on gensupport.h.
10343 (genprognormal): Include preds.
10344 (genprogearly): Rename genprognoprint; only difference is now that
10345 they don't link with $(BUILD_PRINT).
10346 * dummy-conditions.c: Delete.
10348 2006-01-22 Zack Weinberg <zackw@panix.com>
10350 * genextract.c: Don't include insn-config.h. Do include vec.h.
10351 Declare vectors of int, char, and locstr.
10352 (locstr): New typedef.
10353 (struct extraction): Make all array fields into bare pointers.
10354 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10355 (insn_code_number): Delete.
10356 (accum_extract): New struct.
10357 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10358 (gen_insn): Take insn_code_number as an argument. Use an
10359 accum_extract structure instead of loading data directly into
10360 a struct extraction, and having to know how big it might get.
10361 (walk_rtx): Operate entirely on an accum_extract structure.
10362 (print_path): Avoid unnecessary use of printf.
10363 (print_header): New function, split out of main. Distinguish
10364 more carefully between an unrecognizable insn and an insn that
10365 has the code number of a define_expand.
10366 (main): Pass insn_code_number to gen_insn. Call print_header
10367 only after parsing. Avoid unnecessary use of printf.
10368 * Makefile.in (build/vec.o): New rule.
10369 (build/genextract): Depend on build/vec.o.
10370 (build/genextract.o): Don't depend on insn-config.h.
10372 2006-01-22 Zack Weinberg <zackw@panix.com>
10374 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10375 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10376 practical. Eliminate per-generator-program link rules.
10378 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10380 PR middle-end/24437
10381 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10382 with a call expr to ...
10383 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10385 2006-01-23 Richard Guenther <rguenther@suse.de>
10387 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10388 before make_edge with conditional EDGE_TRUE_VALUE.
10390 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10391 Jan Hubicka <jh@suse.cz>
10392 Richard Guenther <rguenther@suse.de>
10394 PR rtl-optimization/25654
10395 * cfgexpand.c (aggregate_contains_union_type): New function.
10396 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10397 for structure variables that contain a union type.
10399 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10401 * gengtype.c (new_structure): Return the structure.
10402 (create_option): Add an extra "next" argument.
10403 (create_field): New function.
10404 (adjust_field_rtx_def): Use create_option and create_field.
10405 Remove a now-unnecessary call to find_structure.
10406 (adjust_field_tree_def): Likewise.
10407 (note_yacc_type): Remove an unnecessary call to find_structure.
10408 * gengtype.h (new_structure): Return the structure.
10409 (create_option): Add an extra argument.
10410 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10411 (option): Adjust calls to create_option.
10413 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10415 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10417 2006-01-22 Paul Brook <paul@codesourcery.com>
10418 Peter Barada <peter@the-baradas.com>
10420 * config/m68k/m68k.md: Add Coldfire FPU support.
10421 Define FP mode macro and associated attributes.
10422 Use it for float mode patterns.
10423 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10424 (LIBCALL_VALUE): Use m68k_libcall_value.
10425 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10426 (m68k_function_value): Ditto.
10427 (emit_move_sequence): Ditto.
10428 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10429 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10430 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10431 (MULTILIB_EXCEPTIONS): Ditto.
10432 * config/m68k/m68k.opt: Add mcfv4e.
10433 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10434 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10435 (m68k_output_function_prologue): Save ColdFire FPU registers.
10436 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10437 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10438 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10439 ColdFire FPU registers.
10440 (m68k_libcall_value, m68k_function_value): New functions.
10441 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10442 (LIBCALL_VALUE): Use m68k_libcall_value.
10443 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10444 (MASK_COLDFIRE): Add MASK_CFV4E.
10445 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10446 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10447 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10448 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10449 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10450 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10451 * doc/invoke.tex: Document -mcfv4e on m68k.
10453 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10455 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10456 URL.
10458 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10460 PR c++/16190
10461 * c-opts.c (c_common_handle_option): Don't include
10462 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10463 * doc/invoke.texi (C++ Dialect Options): Document that
10464 -Wnon-virtual-dtor is no longer included in -Wall.
10466 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10468 * gcov.c (print_version), gcov-dump.c (print_version),
10469 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10470 dates.
10472 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10474 * df-scan.c (problem_SCAN): Added NULL reset function.
10475 (df_scan_reset_blocks): Added code to call reset block function
10476 (df_bb_refs_delete) Fixed comment.
10477 (df_insn_refs_delete): Made tolerant of deleting non existent info
10478 for dataflow problems that need to be reset.
10479 * df-core.c (df_set_blocks): Ditto.
10480 * df.h (struct df_problem): Added reset_fun.
10481 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10482 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10483 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10484 functions to clear out all references to def-use or use-def chains.
10486 2006-01-21 Ben Elliston <bje@au.ibm.com>
10488 * varasm.c (assemble_real): Initialise data array.
10490 2006-01-20 Paul Brook <paul@codesourcery.com>
10492 Merge from csl-arm-branch.
10493 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10494 * config/arm/arm.md (movdi): Force operands[1] to a register
10495 if we have a non-register source.
10496 (*arm_movdi, *movdf_soft_insn): Require that one of the
10497 operands be a register.
10498 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10499 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10501 2006-01-20 DJ Delorie <dj@redhat.com>
10503 * varasm.c (initializer_constant_valid_p): Allow pointers
10504 initialized from integer constants of lesser precision.
10505 (output_constant): Allow non-int-sized pointer modes to be
10506 initialized from integer constants.
10508 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10510 PR libstdc++/25524
10511 * cppdefault.h (struct default_include): Add multilib flag.
10512 * cppdefault.c (cpp_include_defaults): Set it.
10513 * c.opt (-imultilib): New option.
10514 * c-opts.c (imultilib): New.
10515 (c_common_handle_option): Handle -imultilib.
10516 (c_common_post_options): Likewise.
10517 * c-incpath.c (add_standard_paths, register_include_chains):
10518 Likewise.
10519 * c-incpath.h (register_include_chains): Add extra parameter.
10520 * gcc.c (do_spec_1): Generate -imultilib option.
10521 (The Specs Language): Update %I description.
10522 (process_command): Update copyright notice.
10523 * doc/cppopts.texi (-imultilib): Document.
10524 * doc/invoke.texi (-imultilib): Include in option summary.
10525 (%I): Update specs documentation.
10527 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10529 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10531 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10533 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10534 label numbers.
10536 2006-01-20 Richard Guenther <rguenther@suse.de>
10537 Steven Bosscher <stevenb.gcc@gmail.com>
10539 PR rtl-optimization/24626
10540 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10541 EDGE_TRUE_VALUE if in RTL mode.
10543 Revert
10544 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10545 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10547 2006-01-20 Dirk Mueller <dmueller@suse.com>
10549 PR c++/5520
10550 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10551 instead of a special NOP marker.
10552 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10553 NOP marker handling.
10554 * c-common.h (empty_body_warning): Add forward declaration.
10555 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10556 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10558 2006-01-20 Paul Brook <paul@codesourcery.com>
10560 * Makefile.in (lang_checks): Keep going if mkdir fails.
10562 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10564 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10565 be able to clean out basic block when not necessary.
10566 (df_scan_free): Fixed to properly delete information if df is
10567 unused before calling df_finish.
10568 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10569 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10570 or comment typos.
10571 (df_bb_refs_delete): New function.
10572 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10573 * df-core.c (df_set_blocks): Added code to properly clean out
10574 unused blocks if they are not part of the blocks to consider.
10575 Added additional null check.
10576 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10577 be able to clean out basic block when not necessary
10578 * df.h (df_free_bb_function): Ditto.
10579 (df_bb_refs_delete): New function.
10580 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10581 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10582 basic block parameter to be able to clean out basic block when not
10583 necessary.
10584 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10585 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10586 Fixed to properly delete information if df is unused before
10587 calling df_finish.
10589 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10591 PR rtl-optimization/25799
10592 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10593 Corrected confluence operator to remove bits from op2 before oring
10594 with op1 rather than removing bits from op1.
10595 (df_ru_transfer_function): Corrected test on wrong bitmap which
10596 caused infinite loop. Both of these problems were introduced in
10597 the dataflow rewrite.
10599 2006-01-19 DJ Delorie <dj@redhat.com>
10601 * reload1.c (find_reload_regs): Note the details of reload
10602 failures in the dump file.
10603 (spill_failure): Likewise.
10605 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10607 * loop-iv.c: Include df.h and hashtab.h.
10608 (enum iv_grd_result): New enum.
10609 (DF_REF_IV, DF_REF_IV_SET): New macros.
10610 (struct biv_entry): New.
10611 (df, bivs): New global variables.
10612 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10613 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10614 Removed.
10615 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10616 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10617 analyzed_for_bivness_p, record_biv): New functions.
10618 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10619 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10620 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10621 UD chains.
10622 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10623 analysed.
10624 (iv_number_of_iterations): Use new interface to iv analysis.
10625 * loop-unroll.c: Do not include varray.h.
10626 (analyze_iv_to_split_insn): Use new interface to iv
10627 analysis.
10628 * loop-unswitch.c (may_unswitch_on): Ditto.
10629 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10630 allocated.
10631 (df_bb_modify): Realloc tables to the new index.
10632 (df_find_use): New function.
10633 * df.h (df_find_use): Declare.
10634 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10635 outmode.
10636 * cfgloop.h (struct rtx_iv): Remove analysed field.
10637 (iv_get_reaching_def): Removed.
10638 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10639 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10640 (loop-iv.o): Add df.h and hashtab.h dependency.
10641 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10643 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10645 PR target/25668
10646 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10647 Double TFmode.
10648 (__floatundisf, __floatundidf): Likewise.
10649 * libgcc2.h (IS_IBM_EXTENDED): Define.
10651 2006-01-19 DJ Delorie <dj@redhat.com>
10653 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10655 2006-01-19 Paul Brook <paul@codesourcery.com>
10657 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10658 as nothrow when unwinding tables are disabled.
10660 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10662 PR testsuite/25171
10663 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10664 of bit-field" when in system header.
10666 2006-01-19 DJ Delorie <dj@redhat.com>
10668 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10669 the 16 bit shift limit of the m16c.
10671 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10673 PR target/22099
10674 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10675 * config/i386/i386.c (output_set_got): Output the label if we have one
10676 for the TARGET_DEEP_BRANCH_PREDICTION case.
10678 2006-01-19 Jan Hubicka <jh@suse.cz>
10679 H.J. Lu <hongjiu.lu@intel.com>
10680 Evandro Menezes <evandro.menezes@amd.com>
10682 * invoke.texi (generic): Document
10683 (i686) Update.
10684 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10685 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10686 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10687 (x86_use_incdec, x86_pad_returns): New variables
10688 (TARGET_CPU_DEFAULT_generic): New constant
10689 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10690 (enum processor_type): Add generic32 and generic64.
10691 * i386.md (cpu attribute): Add generic32/generic64
10692 (movhi splitter): Behave sanely when both partial_reg_dependency and
10693 partial_reg_stall are set.
10694 (K8 splitters): Enable for generic as well.
10695 * predicates.md (incdec_operand): Use TARGET_INCDEC
10696 (aligned_operand): Avoid memory mismatch stalls.
10697 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10698 * ppro.md: Enable for generic32
10699 * i386.c (generic64_cost, generic32_cost): New.
10700 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10701 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10702 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10703 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10704 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10705 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10706 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10707 x86_accumulate_outgoing_args, x86_prologue_using_move,
10708 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10709 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10710 Enable for generic.
10711 (x86_use_incdec, x86_pad_returns): New.
10712 (override_options): Add generic32 and generic64, translate "generic"
10713 to generic32/generic64 and "i686" to "generic32", refuse
10714 "generic32"/"generic64" as arch target.
10715 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10716 (ix86_reorg): Honor PAD_RETURNS.
10718 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10720 * tree-pretty-print.c (dump_generic_node): Handle
10721 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10722 * cgraph.c (cgraph_expand_queue): Rename from
10723 cgraph_analyze_queue. Update all users.
10724 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10725 cgraph_expand_queue.
10726 (cgraph_expand_all_functions): Likewise.
10727 (cgraph_finalize_pending_functions): Remove. Update callers.
10729 * tree.h (OMP_DIRECTIVE_P): Define.
10730 (OMP_PARALLEL_FN): Define.
10731 (OMP_PARALLEL_DATA_ARG): Define.
10732 (OMP_SECTIONS_SECTIONS): Define.
10733 * tree-pass.h (pass_expand_omp): Declare.
10734 * omp-low.c (struct omp_region): Declare.
10735 (struct omp_context): Remove fields 'parallel_type',
10736 'parallel_start_ix' and 'parallel_start_additional_args'.
10737 Update all users.
10738 (struct omp_for_data): Rename from struct expand_omp_for_data.
10739 (omp_regions): New static variable.
10740 (root_omp_region): New static variable.
10741 (find_omp_clause): Make static.
10742 (is_in_combined_parallel_ctx): Remove.
10743 (is_combined_parallel): New.
10744 (extract_omp_for_data): Move earlier in the file.
10745 (workshare_safe_to_combine_p): New.
10746 (get_ws_args_for): New.
10747 (determine_parallel_type): Move earlier in the file.
10748 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10749 child function.
10750 (omp_copy_decl): Likewise.
10751 (create_omp_child_function): Likewise.
10752 (lookup_omp_region): New.
10753 (dump_omp_region): New.
10754 (debug_omp_region): New.
10755 (debug_all_omp_regions): New.
10756 (new_omp_region): New.
10757 (scan_omp_parallel): If parallel_nesting_level > 1, the
10758 directive is nested within another parallel directive.
10759 Set OMP_PARALLEL_FN.
10760 (scan_omp_for): Do not try to handle combined parallel+for
10761 cases.
10762 Remove FIXME comment.
10763 (scan_omp_nested): Remove.
10764 (scan_omp_1): Do not call scan_omp_nested when
10765 parallel_nesting_level is > 1.
10766 Do not change the DECL_CONTEXT of local variables found.
10767 (lookup_decl_in_outer_ctx): New.
10768 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10769 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10770 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10771 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10772 If CTX is nested, lookup VAR in the outer context when
10773 building copy assignment.
10774 (lower_send_clauses): Rename from expand_send_clauses.
10775 If CTX is nested, lookup VAR in the outer context when
10776 building copy assignments.
10777 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10778 If CTX is nested, lookup VAR in the outer context when
10779 building copy assignments.
10780 (expand_parallel_call): Rename from build_parallel_call.
10781 Handle combined parallel+workshare cases.
10782 Re-implement to emit code into the CFG.
10783 (list2chain): New.
10784 (expand_omp_parallel): Re-implement to emit code into the CFG.
10785 Call move_sese_region_to_fn to outline the sub-graph
10786 containing the parallel region.
10787 (expand_omp_for_1): Remove.
10788 (expand_omp_for_generic): Re-implement to emit code into the
10789 CFG.
10790 (expand_omp_for_static_nochunk): Likewise.
10791 (expand_omp_for_static_chunk): Likewise.
10792 (expand_omp_for): Likewise.
10793 (expand_omp_sections): Likewise.
10794 (remove_exit_barriers): New.
10795 (expand_omp_synch): New.
10796 (expand_omp): New.
10797 (build_omp_regions_1): New.
10798 (build_omp_regions): New.
10799 (execute_expand_omp): New.
10800 (gate_expand_omp): New.
10801 (pass_expand_omp): Define.
10802 (lower_omp_sections): Rename from expand_omp_sections.
10803 Set OMP_SECTIONS_SECTIONS.
10804 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10805 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10806 (lower_omp_single): Rename from expand_omp_simple.
10807 (lower_omp_master): Rename from expand_omp_master.
10808 (lower_omp_ordered): Rename from expand_omp_ordered.
10809 (lower_omp_critical): Rename from expand_omp_critical.
10810 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10811 (lower_omp_for): Re-implement.
10812 (lower_omp_parallel): Re-implement.
10813 (lower_regimplify): Rename from expand_regimplify.
10814 (lower_omp_1): Rename from expand_omp_1.
10815 If there are syntax errors in the program, replace every
10816 OpenMP directive with NOP.
10817 Call lower_omp_* instead of expand_omp_*.
10818 (lower_omp): Rename from expand_omp.
10820 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10821 * tree-gimple.h (enum omp_parallel_type): Remove.
10822 (gimple_boolify): Declare extern.
10823 (find_omp_clause, determine_parallel_type): Remove.
10825 * gimple-low.c (lower_omp_directive): New.
10826 (lower_stmt): Call it.
10827 (record_vars_into): Move from ...
10828 (record_vars): ... here.
10829 Call record_vars_into with current_function_decl.
10831 * gimplify.c (struct gimplify_ctx): Remove fields
10832 combined_pre_p and combined_ctxp. Update users.
10833 (get_formal_tmp_var): Add documentation.
10834 (gimple_boolify): Make extern.
10835 (gimplify_expr_in_ctx): Remove. Update callers.
10836 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10837 will always be a BIND_EXPR.
10838 (gimplify_expr): Handle OMP_RETURN_EXPR.
10839 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10840 (OMP_PARALLEL): Add 3 operands.
10841 (OMP_SECTIONS): Add 1 operand.
10842 (OMP_RETURN_EXPR): Define.
10844 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10845 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10846 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10847 creating a circular free list.
10848 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10850 * tree-flow.h (move_sese_region_to_fn): Declare.
10851 (record_vars_into): Declare.
10852 * tree-cfg.c (make_omp_sections_edges): New.
10853 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10854 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10855 OMP_SECTIONS and OMP_SECTION.
10856 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10857 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10858 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10859 (gather_blocks_in_sese_region): New.
10860 (struct move_stmt_d): Declare.
10861 (move_stmt_r): New.
10862 (move_block_to_fn): New.
10863 (move_sese_region_to_fn): New.
10865 * passes.c (init_optimization_passes): Schedule
10866 pass_expand_omp after pass_init_datastructures.
10868 * tree-ssa-operands.c (get_expr_operands): Handle
10869 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10870 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10872 2006-01-19 Jeff Law <law@redhat.com>
10874 * tree-vrp.c (extract_range_from_assert): Refine the result range
10875 if the variable referenced by the ASSERT_EXPR has a range and
10876 either the tentative result range or the previous range is a
10877 VR_ANTI_RANGE.
10879 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10881 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10883 2006-01-19 Jan Hubicka <jh@suse.cz>
10885 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10887 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10889 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10890 (expand_compound_operation, expand_field_assignment): Fail if the
10891 bit lengths of an extract operation are out of range.
10892 (make_extraction): Compute wanted_inner_mode based on the position
10893 and length of the extraction. Make it extraction_mode for non-constant
10894 positions, and do not modify offset in that case. When generating a
10895 new MEM, use a mode that can hold the extraction while keeping correct
10896 alignment. Remove code that supported MEMs wrapped by USEs.
10897 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10899 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10901 * config/s390/s390.md ("Y", "y"): New mode attribute.
10902 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10903 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10904 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10905 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10906 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10907 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10908 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10909 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10910 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10911 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10912 "addsi3", "subsi3"): Insn patterns removed.
10913 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10914 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10915 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10916 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10917 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10918 "*sub<mode>3_cconly2"): New insn patterns.
10919 ("addsi3", "subsi3"): New expanders.
10921 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10923 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10924 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10925 existing STMT_VINFO_VECTYPE if available.
10926 (vect_mark_relevant): Add special handling for stmts that are
10927 marked as STMT_VINFO_IN_PATTERN_P.
10928 (vect_analyze_loop): Call vect_pattern_recog.
10929 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10930 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10931 stmt_info.
10932 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10933 (vect_recog_func_ptr): New function-pointer type.
10934 * tree-vect-patterns.c: New file.
10935 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10936 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10937 (vect_pattern_recog_1): New functions.
10938 (vect_pattern_recog_funcs): New array of function pointers.
10940 * tree-vectorizer.h (ternary_op): New enum value.
10941 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10942 declaration. Revised documentation. Removed redundant dump prints.
10943 Removed redundant argument. Added support for reduction patterns.
10944 (vectorizable_reduction): Added support for reduction patterns.
10945 (vect_transform_stmt): Added support for patterns.
10947 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10948 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10949 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10950 (expand_widen_pattern_expr): New function.
10951 (init_optabs): Initialize new optabs udot_prod_optab,
10952 sdot_prod_optab.
10953 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10954 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10955 (expand_widen_pattern_expr): New function declaration.
10956 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10957 tree-codes.
10958 * tree-inline.c (estimate_num_insns_1): Added cases for new
10959 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10960 * tree-pretty-print.c (dump_generic_node): Likewise.
10961 (op_prio): Likewise.
10962 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10963 * tree-ssa-operands.c (get_expr_operands): Added case for
10964 DOT_PROD_EXPR.
10965 * tree-vect-patterns.c (widened_name_p): New function.
10966 (vect_recog_dot_prod_pattern): Added function implementation.
10967 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10968 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10969 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10970 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10972 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10973 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10974 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10975 (init_optabs): Initialize new optabs widen_ssum_optab,
10976 widen_usum_optab.
10977 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10978 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10979 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10980 use instead of type of def.
10981 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10982 function implementation.
10983 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10984 widen_ssumv8hi): New.
10986 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10987 patterns.
10989 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10991 PR c/25805
10992 * c-decl.c (add_flexible_array_elts_to_size): New function.
10993 (finish_decl): Use it.
10995 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10997 * diagnostic.h: Include options.h.
10998 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10999 dependancies for diagnostic.h.
11000 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11002 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11004 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11005 (ssa_ro_call_cache_valid): Ditto.
11006 * tree-ssa-alias.c (sort_tags_by_id): New function.
11007 (init_transitive_clobber_worklist): Ditto.
11008 (add_to_worklist): Ditto.
11009 (mark_aliases_call_clobbered): Ditto.
11010 (compute_tag_properties): Ditto.
11011 (set_initial_properties): Ditto.
11012 (compute_call_clobbered): Ditto.
11013 (compute_may_aliases): Call compute_call_clobbered and grouping.
11014 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11015 (compute_flow_insensitive_aliasing): Grouping now happens in our
11016 caller.
11017 (setup_pointers_and_addressables): Remove clobbering related code.
11018 (add_may_alias): Ditto.
11019 (replace_may_alias): Ditto.
11020 (get_nmt_for): Ditto.
11021 (create_global_var):
11022 (is_escape_site): Return an escape_type enumeration.
11023 * tree-flow-inline.h (is_call_clobbered): Global var does not
11024 imply call clobbered.
11025 (mark_call_clobbered): Take a reason for marking this. Remove
11026 marking of globalness, and cache invalidation.
11027 (clear_call_clobbered): Remove cache invalidation code.
11028 * tree-dfa.c (dump_variable): If details is on, dump the reason
11029 for escaping.
11030 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11031 variable.
11032 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11033 (struct var_ann_d): Ditto.
11034 (enum escape_type): New.
11035 (mark_call_clobbered): Adjust prototype.
11036 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11037 are never call clobbered.
11038 Record reasons for escaping.
11039 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11040 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11041 (ssa_ro_call_cache_valid): Ditto.
11042 (clobbered_v_may_defs): Ditto.
11043 (clobbered_vuses): Ditto.
11044 (ro_call_vuses): Ditto.
11045 (clobber_stats): New.
11046 (init_ssa_operands): Zero out clobber stats.
11047 (fini_ssa_operands): Print out clobber stats.
11048 (get_call_expr_operands): Pass callee fndecl to
11049 add_call_read_ops).
11050 (add_call_clobber_ops): Remove use of cache.
11051 Add use of PURE_CONST information.
11052 (add_call_read_ops): Remove use of cache.
11053 Add use of static not_read information.
11055 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11057 Introduce TLS descriptors for i386 and x86_64.
11058 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11059 (TARGET_ANY_GNU_TLS): New macro.
11060 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11061 (struct machine_function): Add tls_descriptor_call_expanded_p.
11062 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11063 (ix86_current_function_calls_tls_descriptor): Likewise.
11064 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11065 (override_options): Introduce gnu2 tls dialect.
11066 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11067 not leaves.
11068 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11069 Likewise.
11070 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11071 (ix86_init_machine_status): Initialize new field.
11072 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11073 (ix86_tls_module_base): New.
11074 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11075 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11076 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11077 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11078 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11079 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11080 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11081 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11082 * config/i386/predicates.md (tls_modbase_operand): New.
11083 (tp_or_register_operand): New.
11085 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11087 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11088 (look_for_address_of): Ditto.
11089 (ipa_init): Walk the function decls.
11090 (static_execute): Don't set readonly on FUNCTION_DECL's.
11092 2006-01-18 Roger Sayle <roger@eyesopen.com>
11094 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11095 for shifts where the source and destination registers are different.
11097 2006-01-18 Paul Brook <paul@codesourcery.com>
11099 Merge from csl-arm-branch.
11100 2005-03-14 Julian Brown <julian@codesourcery.com>
11101 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11102 (aeabi_llsl): Likewise.
11103 (ashrdi3): Likewise.
11104 (aeabi_lasr): Likewise.
11105 (lshrdi3): Likewise.
11106 (aeabi_llsr): Likewise.
11107 2005-03-10 Julian Brown <julian@codesourcery.com>
11108 * config.gcc: Disable shared libgcc for SymbianOS.
11109 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11111 2006-01-18 DJ Delorie <dj@redhat.com>
11113 * c-pragma.c (handle_pragma_diagnostic): New.
11114 (init_pragma): Register it.
11115 * doc/extend.texi: Document it.
11117 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11118 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11119 (diagnostic_context): Add classify_diagnostic[].
11120 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11121 as errors if they're overridden to DK_WARNING.
11122 (diagnostic_initialize): Initialize classify_diagnostic[].
11123 (diagnostic_set_kind_override): New.
11124 (diagnostic_report_diagnostic): Check for kind changes.
11125 * opts.c (common_handle_option): Take lang_mask. Update callers.
11126 Handle OPT_Werror_.
11127 * common.opt (Werror=): New.
11128 * doc/invoke.texi: Document -Werror=*
11130 2006-01-18 Jeff Law <law@redhat.com>
11132 * tree-vrp.c (test_for_singularity): Correct test for new
11133 min limit. Use operand_equal_p rather than pointer equality
11134 for testing if new min/max values are equal.
11136 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11137 using range information until after propagation and folding.
11139 2006-01-18 Richard Henderson <rth@redhat.com>
11140 Aldy Hernandez <aldyh@redhat.com>
11141 Jakub Jelinek <jakub@redhat.com>
11142 Diego Novillo <dnovillo@redhat.com>
11144 * omp-low.c: New file.
11145 * c-omp.c: New file.
11147 2006-01-18 Richard Henderson <rth@redhat.com>
11148 Jakub Jelinek <jakub@redhat.com>
11149 Diego Novillo <dnovillo@redhat.com>
11151 * doc/invoke.texi: Document -fopenmp.
11152 * tree-dump.h (debug_function): Declare.
11153 * hooks.c (hook_bool_tree_bool_false): New function.
11154 (hook_tree_tree_null): Remove.
11155 (hook_tree_tree_tree_null): New.
11156 * hooks.h: Update to match.
11157 * tree-pretty-print.c (debug_tree_chain): New.
11158 (print_generic_expr): Handle TDF_CHAIN.
11159 (dump_generic_node): Handle BLOCK.
11160 Do not abort with incomplete SWITCH_EXPRs.
11161 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11162 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11163 print space after directive name.
11164 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11165 Handle OMP_MASTER and OMP_ORDERED.
11166 Handle printing of OMP_BODY just in one place, goto
11167 dump_omp_body in the rest of OMP_* nodes that have
11168 OMP_BODY.
11169 Don't handle clause nodes here. Update omp statements to
11170 use dump_omp_clauses.
11171 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11172 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11173 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11174 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11175 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11176 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11177 Adjust output for GOMP_PARALLEL.
11178 (dump_omp_clauses): New.
11179 (print_declaration): Dump DECL_VALUE_EXPR.
11180 (op_symbol_1): Split out of op_symbol.
11181 (dumping_stmts): Remove. Update all users.
11182 * cgraph.c (cgraph_analyze_queue): New.
11183 (cgraph_add_new_function): New.
11184 * cgraph.h (cgraph_analyze_queue): Declare.
11185 (cgraph_add_new_function): Declare.
11186 (cgraph_lower_function): Remove.
11187 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11188 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11189 and TYPE_P nodes in its default clause.
11190 (empty_body_p): New.
11191 (tree_range_check_failed): New.
11192 (build5_stat): New.
11193 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11194 OMP_CLAUSE_REDUCTION_MERGE,
11195 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11196 OMP_CLAUSE_PRIVATE_DEBUG,
11197 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11198 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11199 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11200 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11201 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11202 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11203 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11204 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11205 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11206 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11207 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11208 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11209 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11210 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11211 (TREE_RANGE_CHECK): New.
11212 (empty_body_p): Declare.
11213 (enum omp_clause_default_kind): New.
11214 (build_string_literal): Declare.
11215 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11216 (build5_stat, build5): Declare.
11217 * tree-pass.h (TDF_CHAIN): Define.
11218 * tree-pass.h (PROP_gimple_lomp): Define.
11219 (pass_lower_omp): Declare.
11220 * diagnostic.h (debug_tree_chain): Declare.
11221 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11222 mode_for_size.
11223 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11224 * builtins.c (build_string_literal): Make extern.
11225 * gcc.c (include_spec_function): New.
11226 (static_spec_functions): Add it.
11227 (main): Move load of libgomp.spec ...
11228 (LINK_COMMAND_SPEC): ... here.
11229 (link_gomp_spec): New.
11230 (static_specs): Include it.
11231 (LINK_COMMAND_SPEC): Add link_gomp.
11232 (GOMP_SELF_SPECS): New.
11233 (driver_self_specs): Include it.
11234 (switch_matches): Don't mark inline.
11235 (main): Load libgomp.spec.
11236 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11237 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11238 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11239 * tree-gimple.h (enum omp_parallel): Declare.
11240 (determine_parallel_type): Declare.
11241 (omp_firstprivatize_variable): Declare.
11242 (omp_reduction_init): Declare.
11243 (diagnose_omp_structured_block_errors): Declare.
11244 (struct walk_stmt_info): Add want_return_expr.
11245 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11246 (find_omp_clause): Declare.
11247 (insert_field_into_struct): Declare.
11248 (struct walk_stmt_info): Move from tree-nested.c
11249 (walk_stmts): Declare.
11250 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11251 to 200505.
11252 * cgraphunit.c (cgraph_lower_function): Make static.
11253 (cgraph_finalize_pending_functions): New.
11254 (cgraph_finalize_function): Call it.
11255 (cgraph_finalize_compilation_unit): Likewise.
11256 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11257 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11258 (BT_FN_UINT_UINT): New.
11259 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11260 DEF_FUNCTION_TYPE_VAR_4): Document.
11261 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11262 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11263 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11264 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11265 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11266 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11267 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11268 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11269 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11270 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11271 into separate files.
11272 (DEF_GOMP_BUILTIN): New.
11273 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11274 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11275 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11276 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11277 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11278 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11279 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11280 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11281 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11282 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11283 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11284 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11285 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11286 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11287 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11288 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11289 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11290 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11291 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11292 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11293 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11294 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11295 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11296 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11297 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11298 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11299 * sync-builtins.def: New file, moved from builtins.def.
11300 * omp-builtins.def: New file, moved from builtins.def.
11301 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11302 * gimple-low.c (lower_function_body): Clear data.
11303 (lower_stmt): Do not handle COMPOUND_EXPR.
11304 Remove call to print_node_brief.
11305 * c-tree.h (c_finish_omp_clauses): New prototype.
11306 (C_DECL_THREADPRIVATE_P): Define.
11307 (lookup_name_no_remap, c_omp_remap_private): Remove
11308 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11309 (check_for_loop_decls): Update decl.
11310 (lookup_name_no_remap, c_omp_remap_private): Declare.
11311 (build_indirect_ref, build_modify_expr, pushdecl,
11312 pushdecl_top_level): Move to c-common.h.
11313 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11314 before the switch, but just in the 2 places that need it.
11315 * c-decl.c (diagnose_mismatched_decls): Do not check for
11316 mismatched thread-local attributes when OLDDECL is marked
11317 threadprivate and NEWDECL has no thread-local attributes.
11318 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11319 (c_gimple_diagnostics_recursively): Rename from
11320 c_warn_unused_result_recursively. Invoke
11321 diagnose_omp_structured_block_errors.
11322 (check_for_loop_decls): Return a singular decl found.
11323 * langhooks.c (lhd_omp_predetermined_sharing): Return
11324 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11325 (lhd_omp_firstprivatize_type_sizes): New.
11326 (lhd_omp_assignment): New.
11327 (lhd_omp_predetermined_sharing): New.
11328 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11329 (struct lang_hooks_for_types): Add
11330 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11331 omp_predetermined_sharing, omp_disregard_value_expr,
11332 omp_private_debug_clause, omp_clause_default_ctor,
11333 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11334 (c_finish_omp_clauses): New.
11335 (c_finish_bc_stmt): Diagnose break within omp for.
11336 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11337 (build_unary_op): Return error_mark after reporting
11338 a readonly_error.
11339 (build_modify_expr): Likewise.
11340 * gimplify.c: Include optabs.h and pointer-set.h.
11341 (enum gimplify_omp_var_data): Declare.
11342 (struct gimplify_omp_ctx): Declare.
11343 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11344 and combined_ctxp.
11345 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11346 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11347 (splay_tree_compare_decl_uid): New.
11348 (new_omp_context): New.
11349 (delete_omp_context): New.
11350 (gimple_add_tmp_var): Call omp_add_variable.
11351 (gimplify_bind_expr): Likewise.
11352 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11353 true, disregard DECL_VALUE_EXPR on the decl if any.
11354 (gimplify_expr_in_ctx): New.
11355 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11356 omp_add_variable, omp_notice_variable, omp_is_private
11357 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11358 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11359 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11360 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11361 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11362 gimplify_omp_atomic): New.
11363 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11364 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11365 OMP_CRITICAL and OMP_ATOMIC.
11366 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11367 * c-pragma.h (enum pragma_kind): Add
11368 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11369 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11370 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11371 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11372 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11373 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11374 PRAGMA_OMP_THREADPRIVATE.
11375 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11376 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11377 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11378 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11379 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11380 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11381 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11382 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11383 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11384 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11385 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11386 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11387 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11388 OpenMP directives.
11389 (struct nesting_info): Add field_map,
11390 suppress_expansion, debug_var_chain.
11391 (create_nesting_tree): Initialize them.
11392 (lookup_field_for_decl): Use field_map.
11393 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11394 (convert_local_omp_clauses): New.
11395 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11396 (walk_body): Split out of walk_function.
11397 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11398 (convert_nonlocal_reference): Handle omp statements.
11399 (convert_local_reference): Likewise.
11400 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11401 (unnest_nesting_tree): New.
11402 (lower_nested_functions): Call it.
11403 (insert_field_into_struct): Make extern.
11404 (struct walk_stmt_info): Move to tree-gimple.h.
11405 (walk_stmts): Make extern.
11406 * omp-builtins.def: New file.
11407 * tree-iterator.c (expr_only): Clarify comment.
11408 * c-common.h (pushdecl_top_level, pushdecl,
11409 build_modify_expr, build_indirect_ref,
11410 c_finish_omp_master, c_finish_omp_critical,
11411 c_finish_omp_ordered, c_finish_omp_barrier,
11412 c_finish_omp_atomic, c_finish_omp_flush,
11413 c_finish_omp_for, c_split_parallel_clauses,
11414 omp_clause_default_kind, c_omp_sharing_predetermined,
11415 c_omp_remap_decl): Declare.
11416 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11417 (OBJS-common): Add omp-low.o.
11418 (c-omp.o, omp-low.o): Add.
11419 (gimplify.o): Add dependency on $(OPTABS_H).
11420 (GTFILES): Add omp-low.c.
11421 (gt-stringpool.h): Add.
11422 * tree-cfg.c (set_bb_for_stmt): Do not update the
11423 block-to-labels map if we are currently expanding to RTL.
11424 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11425 checks.
11426 Handle IDENTIFIER_NODE.
11427 (tree_verify_flow_info): Do not ICE when emitting error
11428 messages about invalid labels.
11429 (dump_function_to_file): Reset CFUN before emitting the body
11430 of the function.
11431 (debug_function): New.
11432 * passes.c (init_optimization_passes): Schedule
11433 pass_lower_omp.
11434 * langhooks-def.h (lhd_omp_predetermined_sharing,
11435 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11436 Declare.
11437 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11438 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11439 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11440 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11441 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11442 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11443 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11444 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11445 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11446 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11447 (LANG_HOOK_DECLS): Use them.
11449 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11450 Richard Henderson <rth@redhat.com>
11451 Jakub Jelinek <jakub@redhat.com>
11452 Diego Novillo <dnovillo@redhat.com>
11454 * c-parser.c (pragma_omp_clause): Define.
11455 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11456 (c_parser_compound_statement): Likewise.
11457 (c_parser_statement): Likewise.
11458 (c_parser_pragma): Handle omp pragmas.
11459 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11460 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11461 (c_parser_omp_clause_name, check_no_duplicate_clause,
11462 c_parser_omp_variable_list,
11463 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11464 c_parser_omp_clause_copyprivate,
11465 c_parser_omp_clause_default,
11466 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11467 c_parser_omp_clause_lastprivate,
11468 c_parser_omp_clause_nowait,
11469 c_parser_omp_clause_num_threads,
11470 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11471 c_parser_omp_clause_reduction,
11472 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11473 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11474 c_parser_omp_atomic, c_parser_omp_barrier,
11475 c_parser_omp_critical, c_parser_omp_flush,
11476 c_parser_omp_for_loop, c_parser_omp_for,
11477 c_parser_omp_master, c_parser_omp_ordered,
11478 c_parser_omp_sections_scope, c_parser_omp_sections,
11479 c_parser_omp_parallel, c_parser_omp_single,
11480 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11481 * c-pragma.c (init_pragma): Do omp pragma registration here.
11482 * c.opt (fopenmp): New flag.
11484 2006-01-18 Eric Christopher <echristo@apple.com>
11486 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11487 * config/darwin.h (GOMP_SELF_SPECS): Define.
11489 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11491 * rtl.h: Remove the prototype for reg_alloc.
11493 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11495 PR target/25731
11496 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11497 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11498 sjlj and dwarf2 exception handling.
11499 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11500 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11501 * pa/pa.c (function_value): Treat complex and vector types as
11502 aggregates.
11503 (function_arg): Likewise. Only pass scalar floats in the floating
11504 point argument registers.
11505 * pa/t-slibgcc-dwarf-ver: New file.
11506 * pa/t-slibgcc-sjlj-ver: New file.
11507 * pa/t-slibgcc-elf-ver: Delete file.
11509 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11511 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11512 unlikely_test_section_p test.
11514 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11516 * mode-switching.c (optimize_mode_switching): Make it static.
11517 * basic-block.h: Remove the prototype for
11518 optimize_mode_switching.
11520 * modulo-sched.c (sms_schedule): Make it static.
11521 * rtl.h: Remove the prototype for sms_schedule.
11523 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11524 * rtl.h: Remove the prototype for gcse_after_reload_main.
11526 * reg-stack.c (reg_to_stack): Make it static.
11527 * rtl.h: Remove the prototype for reg_to_stack.
11529 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11530 Make them static.
11531 * rtl.h: Remove the prototypes for regrename_optimize and
11532 copyprop_hardreg_forward.
11534 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11536 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11537 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11538 Test against the appropriate null constant for the mode.
11539 If 'fixup_overlap' is true, swap the operands if they overlap.
11540 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11541 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11542 alpha_split_tmode_pair and adjust for above change.
11543 * config/alpha/alpha.md (movtf_internal): Adjust call to
11544 alpha_split_tfmode_pair and rely on it to swap the operands.
11545 (movti_internal): New insn and post-reload splitter.
11546 (movti): New expander.
11548 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11550 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11551 operands.
11553 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11555 * rtlanal.c (global_reg_mentioned_p_1,
11556 global_reg_mentioned_p): Remove.
11557 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11559 * flow.c (initialize_uninitialized_subregs): Make it static.
11560 * rtl.h: Remove the prototype for
11561 initialize_uninitialized_subregs.
11563 * function.c (instantiate_virtual_regs): Make it static.
11564 * function.h: Remove the prototype for
11565 instantiate_virtual_regs.
11567 * regmove.c (regmove_optimize, combine_stack_adjustments):
11568 Make them static.
11569 * rtl.h: Remove the prototypes for regmove_optimize and
11570 combine_stack_adjustments.
11572 2006-01-17 Roger Sayle <roger@eyesopen.com>
11574 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11575 (size_cost): Encode costs in bytes so that a reg-reg addition is
11576 equivalent to COSTS_N_INSNS(1).
11577 (override_options): Use the size_cost.branch_cost as the default
11578 ix86_branch_cost when optimizing for size.
11580 2006-01-18 Ben Elliston <bje@au.ibm.com>
11582 * Makefile.in (D32PBIT_FUNCS): New.
11583 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11584 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11585 D64PBIT_FUNCS and D128PBIT_FUNCS.
11586 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11587 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11588 D128PBIT are set.
11589 (decnumber_dep): Define.
11590 * doc/libgcc.texi (Decimal float library routines): New node.
11591 * config/dfp-bit.h, config/dfp-bit.c: New files.
11593 2006-01-18 Ben Elliston <bje@au.ibm.com>
11595 * expr.c (emit_move_change_mode): Always adjust addresses, not
11596 just during reload. Copy replacements only during reload.
11597 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11598 emit_move_via_integer.
11600 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11602 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11603 instead of $(srcdir) and ${srcdir}.
11605 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11607 PR target/592
11608 PR middle-end/11135
11609 * arm.h (struct machine_function): Add pic_reg.
11610 * arm.c (arm_pic_register): Make unsigned.
11611 (arm_override_options): Only set arm_pic_register if
11612 TARGET_SINGLE_PIC_BASE.
11613 (use_return_insn): Only test for a pic register if it is fixed.
11614 (arm_compute_save_reg0_reg12_mask): Likewise.
11615 (thumb_compute_save_reg_mask): Likewise.
11616 (legitimate_pic_operand): Factor out some known invariants.
11617 (legitimize_pic_address): If we don't have a fixed pic register,
11618 then set up a pseudo in the function entry sequence. Handle the
11619 pic base being in a pseudo.
11620 (arm_load_pic_register): Handle the pic register being in a pseudo.
11621 (arm_expand_prologue): Only set up the pic register if it is fixed.
11622 (thumb_expand_prologue): Likewise.
11623 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11624 (pic_load_addr_based_insn): Likewise.
11625 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11626 fixed.
11628 2006-01-18 Ben Elliston <bje@au.ibm.com>
11630 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11631 decimal float modes for all floating point registers.
11633 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11634 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11636 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11638 PR c/25682
11639 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11640 even when the pointer is not NULL.
11642 2006-01-16 Ian Lance Taylor <ian@airs.com>
11644 * common.opt (ftoplevel-reorder): New option.
11645 * cgraph.c (cgraph_asm_nodes): New global variable.
11646 (cgraph_asm_last_node): New static variable.
11647 (cgraph_order): New global variable.
11648 (cgraph_create_node): Set new order field.
11649 (cgraph_varpool_node): Likewise.
11650 (decide_is_variable_needed): Return true if not
11651 flag_toplevel_reorder.
11652 (cgraph_add_asm_node): New function.
11653 * cgraph.h (struct cgraph_node): Add order field.
11654 (struct cgraph_varpool_node): Add order field.
11655 (struct cgraph_asm_node): Define.
11656 (cgraph_asm_nodes, cgraph_order): Declare.
11657 (cgraph_add_asm_node): Declare.
11658 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11659 function.
11660 (cgraph_varpool_assemble_pending_decls): Call it.
11661 (cgraph_output_pending_asms): New static function.
11662 (cgraph_finalize_compilation_unit): Call it.
11663 (struct cgraph_order_sort): Define.
11664 (cgraph_output_in_order): New static function.
11665 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11666 !flag_toplevel_reorder case.
11667 * c-parser.c: Include "cgraph.h".
11668 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11669 assemble_asm.
11670 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11671 than -fno-unit-at-a-time.
11672 * doc/invoke.texi (Option Summary): Mention
11673 -fno-toplevel-reorder.
11674 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11675 -funit-at-a-time documentation.
11677 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11678 Kazu Hirata <kazu@codesourcery.com>
11680 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11682 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11684 * Makefile.in (FUNCTION_H): New. Use it instead of
11685 function.h throughout the file.
11686 * function.h: Include tree.h.
11688 2006-01-17 Ben Elliston <bje@au.ibm.com>
11690 * recog.c: Separate some functions with whitespace.
11692 2006-01-16 Richard Henderson <rth@redhat.com>
11694 Merge from gomp branch:
11695 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11696 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11697 and rename from struct inline_data. Rename callee* to dst*;
11698 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11699 transform_new_cfg, transform_return_to_modify, and
11700 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11701 update_clones_p.
11702 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11703 (copy_decl_for_dup): Remove.
11704 * tree-inline.c (struct inline_data): Move to header.
11705 (insert_decl_map): Export.
11706 (remap_decl): Update for member name changes. Use copy_decl hook.
11707 Allow for replacement to be a non-decl. Remove dead code.
11708 (remap_type_1): Check for existing mapping.
11709 (remap_type): Export.
11710 (remap_decls): Update for member name changes.
11711 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11712 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11713 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11714 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11715 (tree_function_versioning, build_duplicate_type): Likewise.
11716 (copy_body_r): Likewise. Export.
11717 (copy_decl_for_dup): Split into ...
11718 (copy_decl_for_dup_finish, copy_decl_to_var,
11719 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11720 (replace_ref_tree, inlining_p): Remove.
11722 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11724 * ifcvt.c (if_convert): Make it static.
11725 * rtl.h: Remove the prototype for if_convert.
11727 * local-alloc.c (local_alloc): Make it static.
11728 * rtl.h: Remove the prototype for local_alloc.
11730 * loop.c (loop_optimize): Make it static.
11731 * cfgloop.h: Remove the prototype for loop_optimize.
11732 * rtl.h: Likewise.
11734 2006-01-16 DJ Delorie <dj@redhat.com>
11736 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11737 mems.
11739 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11741 * pa.md: Disparage copies between general and floating-point registers
11742 in 32-bit move patterns.
11744 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11746 PR testsuite/25741
11747 * Makefile.in (check-%): Depend on site.exp instead of
11748 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11749 directories.
11751 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11753 * global.c (global_alloc): Make it static.
11754 * rtl.h: Remove the prototype for global_alloc.
11756 2006-01-16 Richard Guenther <rguenther@suse.de>
11758 * tree-ssa-alias.c (struct used_part): Add write_only field.
11759 (get_or_create_used_part_for): Initialize it to true.
11760 (create_overlap_variables_for): Don't create structure variables
11761 for structures that only are written to.
11762 (find_used_portions): Handle MODIFY_EXPR to track whether a
11763 structure is only written to.
11765 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11767 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11768 static.
11769 * basic-block.h: Remove the prototype for
11770 partition_hot_cold_basic_blocks.
11772 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11774 * cppspec.c (lang_specific_spec_functions): Remove.
11775 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11776 * gcc.h (lang_specific_spec_functions): Remove.
11777 * gccspec.c (lang_specific_spec_functions): Remove.
11779 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11781 * combine.c (record_value_for_reg): Invalidate registers
11782 if INSN is null.
11783 (record_dead_and_set_regs_1): Likewise, by passing them to
11784 record_value_for_reg.
11785 (record_dead_and_set_regs): Invalidate stores made by a
11786 call. We do not combine across a call, but we still
11787 relied on equivalences.
11789 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11791 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11792 vrp_int_const_binop returning non-constant nodes.
11794 2006-01-16 Paul Brook <paul@codesourcery.com>
11796 * config/m68k/m68k.c (output_move_const_into_data_reg):
11797 Output correct mnemonic for mvz and mvs.
11799 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11801 * rtl-factoring.c: Add sequence abstraction algorithm.
11802 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11803 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11804 ABNORMAL edges.
11805 (block_has_preserve_label): New function.
11806 * common.opt: Register new pass.
11807 * Makefile.in: Ditto.
11808 * passes.c: Ditto.
11809 * timevar.def: Ditto.
11810 * tree-pass.h: Ditto.
11811 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11812 * rtl.h (make_jump_insn_raw): Add forward decl.
11813 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11815 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11816 Roger Sayle <roger@eyesopen.com>
11818 * fold-const.c (fold_minmax): New static function.
11819 (fold_binary) <MIN_EXPR>: Call it.
11820 <MAX_EXPR>: Likewise.
11821 * stor-layout.c (place_field): Use DECL_SIZE consistently
11822 in the computation of the new record size.
11824 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11826 * cse.c (cse_condition_code_reg): Make it static.
11827 * rtl.h: Remove the prototype for cse_condition_code_reg.
11829 * combine.c (combine_instructions): Make it static.
11830 * rtl.h: Remove the prototype for combine_instructions.
11832 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11834 PR target/25168
11835 * tree.c (get_file_function_name_long): Concatenate the first global
11836 object name with a string derived from the input filename of the object
11837 for type "F".
11839 2006-01-16 Ben Elliston <bje@au.ibm.com>
11841 * config/i386/winnt-stubs.c: Update FSF address.
11842 * config/xtensa/ieee754-df.S: Ditto.
11843 * config/xtensa/ieee754-sf.S: Ditto.
11845 2006-01-14 Ian Lance Taylor <ian@airs.com>
11847 * ifcvt.c (noce_init_if_info): New static function, broken out of
11848 noce_process_if_block.
11849 (noce_process_if_block): Call noce_init_if_info.
11850 (check_cond_move_block): New static function.
11851 (cond_move_process_if_block): New static function.
11852 (process_if_block): Call cond_move_process_if_block.
11854 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11856 * cselib.c (hash_table): Rename to cselib_hash_table.
11857 (cselib_clear_table, discard_useless_values,
11858 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11859 cselib_init, cselib_finish): Adjust uses of hash_table.
11861 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11863 PR tree-optimization/25485
11864 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11865 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11866 is known to be false and true, respectively.
11868 2006-01-14 Richard Guenther <rguenther@suse.de>
11870 PR tree-optimization/22548
11871 PR tree-optimization/22555
11872 PR tree-optimization/22501
11873 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11874 * params.def (salias-max-array-elements): New parameter.
11875 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11876 * doc/invoke.texi (salias-max-array-elements): Document.
11877 * tree-flow-inline.h (var_can_have_subvars): We also handle
11878 arrays now.
11879 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11880 COMPONENT_REF.
11881 * tree-ssa-structalias.c (params.h): Include.
11882 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11883 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11884 (get_constraint_for): For ADDR_EXPR operating on something
11885 containing an ARRAY_REF, add all subvars to the solution.
11886 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11887 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11888 for creating MUST_DEFs.
11889 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11891 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11893 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11894 functions.
11895 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11896 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11897 number_of_iterations_le): New functions.
11898 (number_of_iterations_special): Removed.
11899 (number_of_iterations_exit): Do not use number_of_iterations_special.
11900 * tree.c (unsigned_type_for): Always return integer type.
11902 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11903 Richard Guenther <rguenther@suse.de>
11905 PR rtl-optimization/24257
11906 * gcse.c (find_moveable_store): Only consider a store movable
11907 when the SET_SRC of the insn can be assigned to a register.
11909 2006-01-14 Ian Lance Taylor <ian@airs.com>
11911 * tree.c (tree_not_class_check_failed): New function.
11912 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11913 (tree_not_class_check_failed): Declare.
11915 2006-01-13 Ian Lance Taylor <ian@airs.com>
11917 * reload1.c (do_output_reload): Add assertion rejecting a
11918 CALL_INSN.
11920 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11922 * combine.c (struct reg_stat): Add new fields truncation_label and
11923 truncated_to_mode.
11924 (record_value_for_reg): Reset truncated_to_mode.
11925 (record_truncated_value): New function.
11926 (check_promoted_subreg): Call it. Rename to check_conversions.
11927 (combine_instructions): Rename check_promoted_subreg to
11928 check_conversions.
11929 (reg_truncated_to_mode): New function.
11930 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11931 (gen_lowpart_or_truncate): New function.
11932 (force_to_mode): Use it instead of gen_lowpart.
11934 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11936 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11937 VAR is a tag, not its type tag.
11939 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11941 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11942 alternatives to match style of other entries.
11943 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11945 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11947 PR tree-optimization/25771
11948 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11949 SSA_NAMES.
11951 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11953 PR tree-opt/24365
11954 * tree-inline.c (declare_return_variable): If the return variable
11955 was marked as a non gimple complex, set the return slot variable
11956 to be a non gimple comple variable.
11958 2006-01-13 Richard Guenther <rguenther@suse.de>
11960 * builtins.c (expand_builtin_sincos): New function.
11961 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11962 do not set errno.
11963 (expand_builtin): Expand sincos using expand_builtin_sincos.
11965 2006-01-12 DJ Delorie <dj@redhat.com>
11967 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11968 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11969 so that constant shifts can be split.
11970 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11971 (m32c_valid_pointer_mode): Make static.
11972 (shift_gen_func_for): New.
11973 (m32c_prepare_shift): Use it. Split large const shifts into
11974 multiple shifts.
11975 * config/m32c/predicates.md (shiftcount_operand): Allow more
11976 general operands.
11977 (longshiftcount_operand): New.
11978 * doc/md.texi (Machine Constraints): Document In6.
11980 2006-01-13 Ben Elliston <bje@au.ibm.com>
11982 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11983 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11984 documentation.
11986 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11988 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11989 to try to avoid clobbering pieces of structures when we know
11990 something about the whole structure.
11991 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11993 2006-01-13 Ben Elliston <bje@au.ibm.com>
11995 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11996 return in memory, as this is no limitation is no longer present.
11998 2006-01-12 DJ Delorie <dj@redhat.com>
12000 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12001 mova with fb, and for fb+0 -> An.
12003 * config/m32c/mov.md (peephole2): Fix enabling logic.
12005 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12006 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12007 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12008 FINI_ARRAY_SECTION_ASM_OP): Define.
12010 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12011 variable.
12012 (m32c_legitimize_reload_address): New logic to reload FB to An.
12013 (m32c_output_reg_push): Add newline.
12014 (m32c_output_reg_pop): Likewise.
12016 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12018 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12020 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12022 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12024 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12026 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12027 match_code.
12029 2006-01-11 Ben Elliston <bje@au.ibm.com>
12031 * rtlanal.c (find_reg_note): Assert insn is not null.
12033 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12035 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12036 ifdef.
12038 2006-01-11 Jeff Law <law@redhat.com>
12040 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12041 hold edge pairs.
12042 (mark_threaded_blocks, register_jump_thread): New functions.
12043 (thread_through_all_blocks): Remove unwanted argument. No
12044 longer rely on e->aux to communicate thread target info.
12045 Call mark_threaded_blocks. Release the threaded_blocks
12046 bitmap and threaded_edges vector when complete.
12047 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12048 (threaded_blocks): Remove.
12049 (tree_ssa_dominator_optimize): Remove initialization and
12050 finalization of threaded_blocks. Simplify call to
12051 thread_through_all_blocks.
12052 (thread_across_edge): Call register_jump_thread rather than
12053 storing thread information into e->aux.
12054 (free_all_edge_infos): Simplify now that e->aux is no longer
12055 used to communicate with thread_through_all_blocks.
12056 * tree-flow.h (thread_through_all_blocks): Update prototype.
12057 (register_jump_thread): Prototype.
12059 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12061 * df-core.c (df_compact_blocks, df_bb_replace): Use
12062 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12064 2006-01-11 Richard Guenther <rguenther@suse.de>
12066 PR tree-optimization/25734
12067 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12068 stop propagation after successful propagation to the LHS.
12070 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12072 * basic-block.h (control_flow_graph): Change the type of
12073 x_basic_block_info to VEC(basic_block,gc) *.
12074 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12075 basic_block_info.
12076 (SET_BASIC_BLOCK): New.
12077 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12078 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12079 * cfgbuild.c (find_basic_blocks): Likewise.
12080 * cfglayout.c (fixup_reorder_chain): Likewise.
12081 * cfgrtl.c (create_basic_block_structure,
12082 rtl_create_basic_block): Likewise.
12083 * ifcvt.c (find_if_case_1): Likewise.
12084 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12085 Likewise.
12087 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12089 * Makefile.in: Removed rotted odf.c entry.
12091 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12093 PR target/25706
12094 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12095 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12096 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12097 output pattern modifier, not %e.
12098 * config/cris/cris.c (cris_op_str): Update comment about pattern
12099 modifier.
12100 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12101 before falling through into...
12102 <case 'E'>: Redefined from old 'e' case.
12104 2006-01-11 Jan Hubicka <jh@suse.cz>
12106 PR target/25042
12107 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12109 2006-01-11 Jan Hubicka <jh@suse.cz>
12111 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12112 * i386.c (x86_decompose_lea): Kill.
12113 (ix86_rtx_costs): Kill.
12115 2006-01-11 Jan Hubicka <jh@suse.cz>
12117 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12118 * cgraph.h (cgraph_node): Add inline_decl.
12119 (cgraph_insert_node_to_hashtable): Declare.
12120 (save_inline_function_body): Declare.
12121 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12122 clones.
12123 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12124 (cgraph_function_versioning): Update call of tree_function_versioning.
12125 (save_inline_function_body): New function.
12126 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12127 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12128 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12129 (cgraph_default_inline_p): Likewise.
12130 (cgraph_decide_inlining_incrementally): Likewise.
12131 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12132 (copy_bb): Kill saving; do updating of clones.
12133 (copy_cfg_body): Kill saving.
12134 (initialize_inlined-parameters): Likewise.
12135 (expand_call_inline): Likewise.
12136 (save_body): Kill.
12137 (tree_function_versioning): New parameter "update_clones".
12138 (inlining_p): Kill saving.
12139 * tree-inline.h (tree_function_versioning): Update prototype.
12140 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12141 saving.
12143 2006-01-11 Ian Lance Taylor <ian@airs.com>
12145 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12146 Allow undoing set of machine mode.
12147 (do_SUBST): Use enums instead of is_int.
12148 (do_SUBST_MODE): New function.
12149 (SUBST_MODE): New macro.
12150 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12151 reg and trying to replace reg_regno_rtx with a new register.
12152 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12153 (simplify_set): Use SUBST_MODE.
12154 (distribute_notes): Remove code that tried to update reg notes
12155 for regno_reg_rtx changes.
12157 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12159 PR tree-optimization/23109
12160 PR tree-optimization/23948
12161 PR tree-optimization/24123
12163 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12164 * tree-cfg.c (single_noncomplex_succ): New.
12165 * tree-flow.h (single_noncomplex_succ): Declare it.
12166 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12167 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12168 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12169 insert_bb, register_division_in, insert_reciprocals,
12170 replace_reciprocal, free_bb): New.
12171 (execute_cse_reciprocals_1): Rewritten.
12172 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12173 Do not commit any edge insertion. Always compute dominators and
12174 create the allocation pool.
12175 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12176 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12177 * targhooks.c (default_min_divistions_for_recip_mul): New.
12178 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12179 * passes.c (init_optimization_passes): Run recip after tree loop
12180 optimizations.
12181 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12183 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12184 Kenneth Zadeck <zadeck@naturalbridge.com>
12186 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12187 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12188 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12189 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12190 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12191 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12192 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12193 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12194 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12195 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12196 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12197 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12198 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12199 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12200 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12201 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12202 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12203 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12204 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12205 DF_SCAN_POST_ALLOC): New macros.
12206 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12207 df_free_bb_function, df_local_compute_function, df_init_function,
12208 df_dataflow_function, df_confluence_function_0,
12209 df_confluence_function_n, df_transfer_function,
12210 df_finalizer_function, df_free_function, df_dump_problem_function,
12211 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12212 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12213 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12214 df_urec_bb_info, ) New types.
12215 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12216 variables.
12217 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12218 df_analyze_simple_change_some_blocks,
12219 df_analyze_simple_change_one_block, df_compact_blocks,
12220 df_bb_replace, df_bb_regno_last_use_find,
12221 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12222 df_insn_regno_def_p, df_find_def, df_find_use,
12223 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12224 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12225 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12226 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12227 debug_df_chain, df_get_dependent_problem, df_chain_create,
12228 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12229 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12230 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12231 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12232 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12233 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12234 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12235 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12236 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12237 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12238 df_reorganize_refs, df_set_state, df_hard_reg_init,
12239 df_read_modify_subreg_p) New public functions.
12240 * df-core.c: The core dataflow solver and glue routines for rtl
12241 dataflow.
12242 (df_init, df_add_problem, df_set_blocks, df_finish,
12243 df_hybrid_search_forward, df_hybrid_search_backward,
12244 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12245 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12246 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12247 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12248 df_reg_defined, df_find_use, df_reg_used, df_dump,
12249 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12250 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12251 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12252 debug_df_useno, reset_df_after_reload): New functions.
12253 * df-scan.c: The scanning fuctions, once in df.c, completely
12254 rewritten so that they now fully model the functionality of
12255 register usage at the backend.
12256 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12257 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12258 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12259 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12260 df_get_artificial_defs, df_get_artificial_uses,
12261 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12262 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12263 df_refs_delete, df_reorganize_refs, df_set_state,
12264 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12265 df_def_record_1, df_defs_record, df_uses_record,
12266 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12267 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12268 df_record_exit_block_uses, df_hard_reg_init): New functions.
12270 * df-problems.c: Seven concrete dataflow problems that use the
12271 scanning in df-scan.c and are solved by the engine in df-core.c.
12272 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12273 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12274 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12275 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12276 df_ru_free_bb_info, df_ru_alloc,
12277 df_ru_bb_local_compute_process_def,
12278 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12279 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12280 df_ru_transfer_function, df_ru_free, df_ru_dump,
12281 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12282 df_rd_free_bb_info, df_rd_alloc,
12283 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12284 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12285 df_rd_transfer_function, df_rd_free, df_rd_dump,
12286 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12287 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12288 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12289 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12290 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12291 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12292 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12293 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12294 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12295 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12296 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12297 df_urec_mark_reg_use_for_earlyclobber,
12298 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12299 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12300 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12301 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12302 df_chain_create_bb_process_use, df_chain_create_bb,
12303 df_chain_finalize, df_chain_free, df_chains_dump,
12304 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12305 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12306 df_reg_lifetime): New functions.
12307 * df.c: Deleted file.
12308 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12309 consistent with new df api.
12310 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12311 rest_of_handle_sms): Ditto.
12312 * web.c (unionfind_union, union_defs, entry_register, web_main):
12313 Ditto.
12314 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12315 invariant_expr_equal_p, find_defs, check_dependencies,
12316 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12317 free_inv_motion_data, move_loop_invariants): Ditto.
12318 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12319 Update dependencies.
12320 (odf.c): Added defective entry that was deleted later in day.
12321 * sched-deps.c (sched_analyze_1): Ditto.
12323 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12325 * tree-ssa-operands.c (get_expr_operands): Record addressable
12326 variables directly. Do not call add_stmt_operands for CONST_DECLs
12327 and ARRAY_DECLs.
12328 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12329 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12331 2006-01-11 Ben Elliston <bje@au.ibm.com>
12333 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12334 function returns true in the positive case.
12336 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12338 PR target/20754
12339 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12340 for SI, DI, SF and DF modes. Add alternatives to copy between
12341 general and floating point registers to the 32-bit patterns.
12342 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12343 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12344 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12345 generating 64-bit code.
12346 * config/pa/pa.c (output_move_double): Handle copies between general
12347 and floating registers.
12349 2006-01-10 Stuart Hastings <stuart@apple.com>
12351 * config/i386/i386.md (set_got): Update.
12352 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12353 (builtin_setjmp_receiver): Mach-O support.
12354 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12355 (GOT_SYMBOL_NAME): Define.
12356 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12357 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12358 * config/i386/i386.c (override_options): Revise for Darwin.
12359 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12360 support. (darwin_x86_file_end): New. (output_set_got): Add label
12361 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12362 * config/i386/i386-protos.h (output_set_got): Likewise.
12363 * config/darwin.c (machopic_legitimize_pic_address): Update
12364 regs_ever_live[].
12366 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12368 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12369 when MODE isn't BLKmode.
12371 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12373 PR rtl-optimization/25367
12374 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12376 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12378 PR target/25718
12379 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12380 for a negative bound.
12382 2006-01-10 Richard Guenther <rguenther@suse.de>
12384 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12385 Never override with anything constraint.
12387 2006-01-10 Jan Beulich <jbeulich@novell.com>
12389 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12390 256 bits when optimize_size.
12392 2006-01-10 Jan Beulich <jbeulich@novell.com>
12394 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12395 MASK_ALIGN_DOUBLE.
12396 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12397 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12398 arguments.
12400 2006-01-10 Ben Elliston <bje@au.ibm.com>
12402 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12403 float modes.
12404 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12405 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12406 (USE_FP_FOR_ARG): Reject decimal float modes.
12407 (function_arg_advance): Likewise.
12408 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12409 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12410 point types in AltiVec vectors.
12411 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12412 (rs6000_libcall_value): Likewise.
12414 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12416 * config/xtensa/ieee754-df.S: New file.
12417 * config/xtensa/ieee754-sf.S: New file.
12418 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12419 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12420 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12422 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12424 * config/sh/predicates.md (binary_float_operator,
12425 binary_logical_operator, commutative_float_operator,
12426 equality_comparison_operator, greater_comparison_operator,
12427 less_comparison_operator, logical_operator,
12428 noncommutative_float_operator, shift_operator,
12429 symbol_ref_operand, unary_float_operator): Remove redundant
12430 conditionals.
12432 2006-01-09 Jeff Law <law@redhat.com>
12434 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12435 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12436 now unused arguments. Callers updated.
12437 (eliminate_redundant_computations): Remove now unused arguments,
12438 callers updated.
12439 (local_fold): Remove, no longer used.
12440 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12441 and moved to...
12442 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12443 (simplify_cond): New function.
12444 (forward_propagate_into_cond): Call simplify_cond.
12446 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12448 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12449 (*vec_extractv2di_1_sse): New.
12451 2006-01-09 Ben Elliston <bje@au.ibm.com>
12453 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12455 2006-01-08 Richard Guenther <rguenther@suse.de>
12457 * tree-ssa-structalias.c (get_constraint_for): Remove
12458 anyoffset argument.
12459 (get_constraint_for_component_ref): Likewise.
12460 (do_deref): Likewise.
12461 (get_constraint_for): Likewise.
12462 (do_structure_copy): Likewise.
12463 (handle_ptr_arith): Likewise.
12464 (find_func_aliases): Likewise. Remove unused need_anyoffset
12465 variable.
12467 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12468 Kaz Kojima <kkojima@gcc.gnu.org>
12470 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12471 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12472 (EXTRA_CONSTRAINT_C16): Remove.
12473 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12474 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12475 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12476 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12477 constants of SHmedia. Handle nested constant expressions of
12478 SHmedia correctly.
12479 (andcosts): Fix the costs for SHmedia constants.
12480 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12481 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12482 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12483 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12484 (movv4hi_i, movv2si_i): Likewise.
12485 (movsi_const): Adjust the second operand of ior so to match with
12486 the Csu constraint.
12487 (movdi_const, movdi_const_32bit): Likewise.
12488 (movdi_const_16bit+1): Don't sign-extend LOW.
12489 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12490 step.
12491 (*double_shori): Fix the split condition. Use GEN_INT instead
12492 of get_int_mode calls. Mask lower 16-bit of the argument of
12493 the last GEN_INT.
12494 (sym2GOTPLT): Remove.
12495 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12496 gen_rtx_UNSPEC.
12497 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12498 instead of EXTRA_CONSTRAINT_C16.
12500 2006-01-07 Ian Lance Taylor <ian@airs.com>
12501 David Edelsohn <edelsohn@gnu.org>
12503 PR rtl-optimization/25662
12504 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12505 for constant operands instead of simplify_gen_binary.
12506 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12507 after trying simplify_binary_operation
12509 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12511 * tree.c (iterative_hash_expr): Hash decls based on UID.
12513 2006-01-06 Eric Christopher <echristo@apple.com>
12515 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12516 (TARGET_UNWIND_EMIT): Fix spelling.
12517 * target.h (gcc_target): Add except_table_label.
12518 * except.c (output_function_exception_table): Use.
12519 * varasm.c (default_emit_except_table_label): New.
12520 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12521 define.
12522 (asm_out): Add here.
12523 * output.h (default_emit_except_table_label): Prototype.
12524 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12525 * config/darwin.c (darwin_emit_except_table_label): Define.
12526 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12528 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12530 PR tree-optimization/18527
12531 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12532 number_of_iterations_special, number_of_iterations_exit):
12533 Move base and step of an iv to a single structure. Add
12534 no_overflow flag, and use it in # of iterations analysis.
12535 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12536 folded_casts argument.
12537 (simple_iv): Pass base and step in a structure. Set no_overflow
12538 flag.
12539 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12540 Evaluate expensiveness of computing # of iterations instead of
12541 the final expression.
12542 * tree-scalar-evolution.h (affine_iv): New structure.
12543 (simple_iv): Declaration changed.
12544 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12545 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12546 find_givs_in_stmt): Changed due to simple_iv change.
12548 2006-01-06 Jeff Law <law@redhat.com>
12550 PR ada/24994
12551 * tree-cfg.c (bsi_replace): Rename final argument from
12552 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12553 change (stmt -> orig_stmt).
12554 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12555 (bsi_remove): Add new argument. Remove EH information
12556 if requested.
12557 (verify_eh_throw_table_statements): New function.
12558 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12559 updated.
12560 * tree-optimize.c (execute_free_cfg_annotations): Verify
12561 the EH throw statement table after removing annotations.
12562 * except.h (verify_eh_throw_table_statements): Prototype.
12563 * tree-flow.h (bsi_remove): Update prototype.
12564 * tree-vrp.c (remove_range_assertions): Add new argument to
12565 bsi_remove call.
12566 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12567 * tree-complex.c (expand_complex_div_wide): Likewise.
12568 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12569 * tree-tailcall.c (eliminate_tailcall): Likewise.
12570 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12571 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12572 * tree-nrv.c (tree_nrv): Likewise.
12573 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12574 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12575 (combine_blocks): Likewise.
12576 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12577 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12578 (cleanup_control_flow): Likewise.
12579 (remove_forwarder_block): Likewise.
12580 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12581 * tree-sra.c (sra_replace): Likewise.
12582 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12583 (forward_propagate_single_use_vars): Likewise.
12584 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12585 * tree-inline.c (expand_call_inline): Likewise.
12586 * tree-vect-transform.c (vect_transform_loop): Likewise.
12587 * tree-outof-ssa.c (rewrite_trees): Likewise.
12588 * tree-cfg.c (make_goto_expr_edges): Likewise.
12589 (cleanup_dead_labels): Likewise.
12590 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12591 (bsi_move_before, bsi_move_after): Likewise.
12592 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12593 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12595 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12597 PR tree-opt/25528
12598 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12599 and IMAGPART_EXPR.
12600 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12601 on non gimple variables. Also add checks at the top for decls and
12602 mtags.
12603 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12604 complex types.
12605 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12606 and IMAGPART_EXPR for creating MUST_DEFs.
12607 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12608 and NAME_MEMORY_TAG separately from the DECLs.
12610 2006-01-06 Richard Guenther <rguenther@suse.de>
12612 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12613 annotation, if necessary.
12614 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12615 redundant calls to update_stmt.
12616 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12617 Likewise.
12619 2006-01-05 Richard Henderson <rth@redhat.com>
12621 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12623 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12625 * c-typeck.c: Update copyright date.
12627 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12629 * c-typeck.c (build_c_cast): Always warn when casting
12630 from a pointer to an integer of different size, even if
12631 the node was constant.
12633 2006-01-05 Richard Guenther <rguenther@suse.de>
12635 PR tree-optimization/22555
12636 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12637 if one structure field is an array.
12638 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12639 operands even if we found a subvar, but ignore VOPs in this
12640 case.
12641 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12642 for renaming.
12643 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12645 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12647 PR middle-end/24998
12648 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12650 2006-01-05 Richard Guenther <rguenther@suse.de>
12651 Diego Novillo <dnovillo@redhat.com>
12653 * tree-pass.h (TODO_remove_unused_locals): Define.
12654 * gimple-low.c (expand_var_p, remove_useless_vars,
12655 pass_remove_useless_vars): Remove. Update all users.
12656 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12657 (remove_unused_locals): New function.
12658 * tree-flow.h (remove_unused_locals): Declare.
12659 * passes.c (execute_todo): Call remove_unused_locals if
12660 TODO_remove_unused_locals is set.
12661 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12662 * tree-ssa-dce.c (pass_dce): Likewise.
12663 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12665 2006-01-05 Richard Guenther <rguenther@suse.de>
12667 * tree-flow.h (struct fieldoff): Decompose field to
12668 type, size and decl.
12669 * tree-ssa-alias.c (create_sft): Take type as parameter.
12670 (create_overlap_variables_for): Store type, size and decl
12671 in the fieldoff structure.
12672 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12673 of struct fieldoff.
12674 (push_fields_onto_fieldstack): Likewise.
12675 (create_variable_info_for): Likewise. Use offset for the
12676 SFT name if the decl is not available.
12678 2006-01-04 Paul Brook <paul@codesourcery.com>
12680 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12682 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12684 * lambda-code.c (can_put_in_inner_loop): Relax
12685 restrictions.
12686 (can_put_after_inner_loop): New function.
12687 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12688 (perfect_nestify): Change to make copies and modify uses.
12690 2006-01-04 Richard Henderson <rth@redhat.com>
12692 Merge from gomp branch:
12693 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12694 via integer constant.
12695 (pragma_lex): Remove.
12696 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12697 rather than parsing it.
12698 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12699 handle_pragma_extern_prefix): Add %< %> quotes.
12700 (registered_pragmas): New.
12701 (c_register_pragma_1): New.
12702 (c_register_pragma): Use it.
12703 (c_register_pragma_with_expansion): Likewise.
12704 (c_invoke_pragma_handler): New.
12705 (init_pragma): Use cpp_register_deferred_pragma directly for
12706 pch_preprocess.
12707 * c-pragma.h (enum pragma_kind): New.
12708 (pragma_handler): New.
12709 (c_invoke_pragma_handler): Declare.
12710 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12711 CPP_PRAGMA_EOL.
12712 * c-common.h (c_common_pch_pragma): Update decl.
12713 * Makefile.in (c-parser.o): Update dependencies.
12714 (GTFILES): Add c-pragma.h.
12715 * c-parser.c (struct c_token): Add pragma_kind.
12716 (struct c_parser): Add in_pragma.
12717 (c_lex_one_token): Always initialize keyword and pragma_kind.
12718 Extract data for CPP_PRAGMA.
12719 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12720 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12721 Don't allow CPP_PRAGMA_EOL if in_pragma.
12722 (c_parser_consume_pragma): New.
12723 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12724 (c_parser_skip_to_end_of_parameter): Likewise.
12725 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12726 (c_parser_skip_to_pragma_eol): New.
12727 (c_parser_external_declaration): Handle CPP_PRAGMA.
12728 (c_parser_compound_statement_nostart): Likewise.
12729 (c_parser_statement_after_labels): Likewise.
12730 (c_parser_pragma): New.
12731 (pragma_lex): Likewise.
12732 (c_parser_pragma_pch_preprocess): New.
12733 (c_parser_new): Merge into ...
12734 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12736 2006-01-04 Jeff Law <law@redhat.com>
12738 PR ada/24994
12739 * tree-cfg.c (bsi_replace): Remove the original statement
12740 from the EH throw statement table.
12742 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12744 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12745 make the prototype extern "C" and add throw ().
12747 PR target/25554
12748 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12749 and pos non-negative and pos + len <= 32.
12750 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12751 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12752 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12754 PR c/25559
12755 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12756 as well as sizes not multiple of component size.
12758 PR debug/25562
12759 * function.c (instantiate_expr): New function.
12760 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12761 walk its DECL_VALUE_EXPR with instantiate_expr.
12763 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12764 DW_OP_deref{,_size} if address isn't going to be added.
12766 2006-01-04 Ben Elliston <bje@au.ibm.com>
12768 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12769 * config/fp-bit.c: Likewise.
12771 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12773 * dominance.c: Add comment about why we use DFS numbering
12774 of dominance tree.
12776 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12777 Richard Henderson <rth@redhat.com>
12779 Merge from gomp-branch:
12780 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12781 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12783 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12785 PR rtl-optimization/25578
12786 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12787 pass a parameter to simplify_shift_const if changing ASHIFTRT
12788 to LSHIFTRT.
12790 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12792 * builtins.c (get_builtin_sync_mem): New function.
12793 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12794 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12795 Call get_builtin_sync_mem to generate mem rtx.
12797 2006-01-03 Richard Guenther <rguenther@suse.de>
12799 PR c/25183
12800 * stmt.c (add_case_node): Make sure to clear overflow flags
12801 from ranges.
12803 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12805 Merge from gomp-branch.
12806 * config/sparc/sync.md: New file.
12807 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12808 UNSPECV_LDSTUB): New constants.
12809 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12810 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12811 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12812 prototype.
12814 2006-01-03 Roger Sayle <roger@eyesopen.com>
12816 * combine.c (reg_subword_p): New predicate to test whether the
12817 destination of a set refers to a subword/piece of a register.
12818 (try_combine): Generalize the code to merge the setting of a
12819 pseudo to a constant followed by a set of a subword of that
12820 register to a constant.
12822 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12824 * basic-block.h (control_flow_graph): Change the type of
12825 x_label_to_block_map to VEC(basic_block,gc) *.
12826 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12827 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12829 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12830 VEC(basic_block,heap) *.
12831 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12832 ssa_prop_fini): Adjust the uses of cfg_blocks.
12834 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12836 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12837 COMPONENT_REFs.
12838 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12839 hashing trees instead of a pointer hash.
12840 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12841 compare for MEM_EXPR.
12843 PR rtl-optimization/25130
12844 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12845 when comparing MEMs for GCSE
12847 2006-01-03 Ben Elliston <bje@au.ibm.com>
12849 * targhooks.h (default_decimal_float_supported_p): Declare.
12850 * targhooks.c (default_decimal_float_supported_p): Define.
12851 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12852 `default_decimal_float_supported_p'.
12853 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12855 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12857 * combine.c (apply_distributive_law <SUBREG>): Check
12858 TRULY_NOOP_TRUNCATION.
12860 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12862 * dwarf2out.c (have_switched_text_section): Delete.
12863 (have_multiple_function_sections): New.
12864 (have_location_lists): Make 'bool'.
12865 (add_AT_loc_list): Use 'true' not '1'.
12866 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12867 (output_loc_list): Use have_multiple_function_sections.
12868 (output_ranges): Likewise.
12869 (dwarf2out_begin_function): Set have_multiple_function_sections if
12870 necessary.
12871 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12872 Check function_section rather than DECL_SECTION_NAME.
12873 (dwarf2out_finish): Use have_multiple_function_sections.
12874 Don't clear have_location_lists.
12876 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12877 Jan Hubicka <jh@suse.cz>
12879 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12880 case of conditional jump jumping to the next instruction.
12881 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12882 cases of conditional jump jumping to the next instruction.
12884 2006-01-02 Jan Hubicka <jh@suse.cz>
12886 * i386.c (*_cost): Add COSTS_N_INSNS.
12887 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12889 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12891 PR target/25259
12892 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12894 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12896 * config/arm/arm.c (all_fpus): Fix comment typo.
12897 * config/darwin.c: Likewise.
12898 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12899 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12900 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12902 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12904 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12905 (rs6000_split_compare_and_swapqhi): New.
12906 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12907 (sync_compare_and_swapqhi_internal): New.
12908 * config/rs6000/rs6000-protos.h: Declare.