1 2006-07-05 Mike Stump <mrs@apple.com>
3 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10 2006-07-05 Richard Guenther <rguenther@suse.de>
13 * config/i386/i386.md (*negdf2_1): Restrict pattern to
14 TARGET_SSE2 targets if using SSE math.
15 (*absdf2_1): Likewise.
17 2006-07-05 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/28162
20 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
21 make sure to convert the operands to the correct type.
23 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
25 PR tree-optimization/28218
27 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
28 to calculate and free the dominator information.
30 2006-07-04 Peter O'Gorman <peter@pogma.com>
32 * mklibgcc.in: chmod 644 before ranlib during install.
34 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
35 J"orn Rennecke <joern.rennecke@st.com>
37 * configure.ac (.eh_frame data check): Use diff -b.
39 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
42 * Makefile.in (BUILD_RTL): Add build/vec.o.
43 (build/gencondmd.o): Filter out -fkeep-inline-functions.
44 (build/genextract): Delete.
45 (build/genautomata): Likewise.
47 2006-07-04 Alan Modra <amodra@bigpond.net.au>
50 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
51 128-bit IBM long doubles for ABI_V4.
53 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
55 * tree.c (range_in_array_bounds_p): New predicate.
56 * tree.h (range_in_array_bounds_p): Declare it.
57 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
58 return a less conservative answer.
59 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
61 (IS_ELEMENT_FOR_GROUP): New macro.
62 (FOR_EACH_ACTUAL_CHILD): Likewise.
63 (next_child_for_group): New helper function.
64 (can_completely_scalarize_p): Take into account groups.
65 (sra_hash_tree): Handle RANGE_EXPR.
66 (sra_elt_eq): Likewise.
67 (lookup_element): Be prepared for handling groups.
68 (is_valid_const_index): Delete.
69 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
70 instead of is_valid_const_index.
71 <ARRAY_RANGE_REF>: New case.
72 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
74 <ARRAY_RANGE_REF>: Do not unconditionally punt.
75 (scan_dump): Dump info for groups too.
76 (decide_instantiation_1): Likewise.
77 (decide_block_copy): Assert that the element is not a group.
78 Propagate decision to groups.
79 (generate_one_element_ref): Handle RANGE_EXPR.
80 (mark_no_warning): Iterate over actual childs.
81 (generate_copy_inout): Likewise.
82 (generate_element_copy): Likewise.
83 (generate_element_zero): Likewise.
84 (generate_element_init_1): Likewise.
85 (dump_sra_elt_name): Handle RANGE_EXPR.
87 2006-07-03 Roger Sayle <roger@eyesopen.com>
89 PR tree-optimization/26251
90 * tree-ssa-threadupdate.c (redirection_block_p): New function.
91 (thread_block): When optimizing for size refuse to thread jumps
92 that would require duplication of blocks other than redirection
95 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
97 * configure.ac: Fix thinko in previous check-in.
98 * configure: Regenerate.
100 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
103 * configure.ac (for lang...): Simplify nesting of conditionals.
104 Test subdir_requires for non-enabled languages. Move processing
105 of lang_opt_files and lang_tree_fiels below that test.
106 * configure: Regenerate.
107 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
109 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
111 * doc/gcov.texi (Invoking Gcov): Add a missing word.
113 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
115 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
118 2006-06-29 Jason Merrill <jason@redhat.com>
125 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
126 * c-common.c (c_determine_visibility): Handle it here.
127 * c-decl.c (finish_decl): Call c_determine_visibility for
129 * flags.h (enum symbol_visibility): Sort from most to least visibility.
131 * varasm.c (default_assemble_visibility): Likewise.
132 * c-common.c (handle_visibility_attribute): Complain about trying
133 to give visibility to an already defined class, or trying to change
134 declared visibility. Always attach the attribute.
139 * attribs.c (decl_attributes): Ignore type-in-place attributes
140 once the type has been defined.
142 2006-06-29 Roger Sayle <roger@eyesopen.com>
145 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
146 to indicate the cpplib has issued an error message for us.
148 2006-06-29 Asher Langton <langton2@llnl.gov>
151 * config/i386/i386.c (ix86_output_function_epilogue): Don't
152 insert a label at the end of an function under Mach-O.
154 2006-06-29 Eric Christopher <echristo@apple.com>
155 Evan Cheng <evan.cheng@apple.com>
157 * predicates.md (vector_all_ones_operand): New.
158 (nonimmediate_or_sse_const_operand): Ditto.
159 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
160 * config/i386/i386.c (standard_sse_constant_opcode): Define.
161 (standard_sse_mode_p): Ditto.
162 (standard_sse_constant_p): Add case for -1 vector.
163 (ix86_expand_vector_move): Try to use.
164 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
165 Call standard_sse_constant_opcode.
166 (*movv4sf_internal): Ditto.
167 (*movv2df_internal): Ditto.
169 2006-06-29 Roger Sayle <roger@eyesopen.com>
171 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
172 of XEXP to extract the operands of a MATCH_CODE rtx.
174 2006-06-28 Andrew Pinski <pinskia@gmail.com>
176 * tree.c (tree_size): Do not waste tail padding in
177 struct tree_string and make the size be the same as
178 build_string will generate.
180 2006-06-28 Jason Merrill <jason@redhat.com>
183 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
184 may_aliases already in the tag's annotations to the bitmap.
186 2006-06-28 Roger Sayle <roger@eyesopen.com>
188 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
190 2006-06-28 Roger Sayle <roger@eyesopen.com>
192 * genpreds.c (generate_switch_p): New function.
193 (add_mode_tests): Push the new mode test down inside an AND expr
194 if this allows the switch-suitable MATCH_CODE to be near the root.
195 (write_match_code_switch): New function to write a MATCH_CODE as
197 (write_predicate_stmts): New function to write a predicate RTX
198 expression as a sequence of statements.
199 (write_one_predicate_function): Use write_predicate_stmts.
200 (write_tm_constrs_h): Likewise.
202 2006-06-26 Fred Fish <fnf@specifix.com>
204 * config/mips/t-sb1: New file.
205 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
208 2006-06-26 DJ Delorie <dj@redhat.com>
210 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
212 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
213 Jayant Sonar <jayants@kpitcummins.com>
214 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
216 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
217 (subsi3, subsi3_1, subsi3_2): New.
218 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
219 * config/m32c/mov.md (SI mov peephole): New.
220 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
221 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
223 2006-06-26 Olivier Hainque <hainque@adacore.com>
225 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
226 a CALL_EXPR target function declaration.
228 2006-06-26 Richard Guenther <rguenther@suse.de>
230 * tree.c (build_string): Do not waste tail padding in
233 2006-06-26 Richard Guenther <rguenther@suse.de>
235 * ggc-page.c (init_ggc): Add missing element to size_lookup
239 2006-06-23 Richard Guenther <rguenther@suse.de>
241 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
242 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
243 alignment requests instead. Add verification code.
244 Add struct tree_function_decl and struct tree_binfo size to
245 extra_order_size_table. Add missing element to size_lookup
248 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
251 * fold-const.c (const_binop): Be prepared for self returning zero.
252 Simplify code handling complex values.
254 2006-06-24 Olivier Hainque <hainque@adacore.com>
256 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
257 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
260 2006-06-24 Olivier Hainque <hainque@adacore.com>
262 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
263 ARRAY_REF, so have the callback called for the low bound expression.
265 2006-06-23 Janis Johnson <janis187@us.ibm.com>
267 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
268 * c-typeck.c (c_common_type): Disallow operations on decimal float
269 types and other float types.
270 * convert.c (convert_to_real): Don't ignore conversions involving
273 2006-06-23 Olivier Hainque <hainque@adacore.com>
275 * tree.c (max_int_size_in_bytes): New function, inspired from
276 code in function.c:assign_temp.
277 * tree.h (max_int_size_in_bytes): Declare.
278 * function.c (assign_temp): Use it.
279 * gimplify.c (create_tmp_var): Relax the assertions on the type
280 properties, not mandating constant size any more.
281 (force_constant_size): New static function.
282 (gimple_add_tmp_var): Use it, forcing variable size to a
283 constant upper bound if it is not constant on entry.
285 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
288 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
289 for initialization and setting of one_only flag to ...
290 (i386_pe_encode_section_info): ...here.
291 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
292 Recheck that the symbol has not been defined.
294 2006-06-23 Richard Guenther <rguenther@suse.de>
296 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
297 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
298 alignment requests instead. Add verification code.
299 Add struct tree_function_decl and struct tree_binfo size to
300 extra_order_size_table. Add missing element to size_lookup
303 2006-06-22 Roger Sayle <roger@eyesopen.com>
304 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
307 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
308 call to lang_hooks.types.type_for_mode returned NULL_TREE.
310 2006-06-23 Ben Elliston <bje@au.ibm.com>
312 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
313 negate dn -- manipulate it directly.
315 2006-06-22 Roger Sayle <roger@eyesopen.com>
316 Steven Bosscher <stevenb.gcc@gmail.com>
319 * reload1.c (gen_reload): Call mark_jump_label on the new insns
320 generated by gen_move_insn to add REG_LABEL notes if necessary.
322 2006-06-22 Bob Wilson <bob.wilson@acm.org>
324 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
325 (leaf_entry): Remove use of MIN_ESA.
327 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
329 PR rtl-optimization/28121
330 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
333 2006-06-21 DJ Delorie <dj@redhat.com>
335 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
337 (mulhisi3_r): Likewise.
339 2006-06-21 Richard Sandiford <richard@codesourcery.com>
342 * coverage.c (coverage_counter_alloc): Leave the index type
344 (coverage_counter_alloc): Use null arguments for operands 2 and 3
347 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
349 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
350 section from the "Options for Code Generation Conventions".
352 2006-06-21 Richard Henderson <rth@redhat.com>
356 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
358 (global_symbolic_operand): Allow weak symbols, even if local_p.
360 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
362 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
363 (find_interesting_uses_address): Punt if above function returns true.
365 2006-06-21 Richard Guenther <rguenther@suse.de>
367 * configure: Regenerated.
369 2006-06-21 Joseph Myers <joseph@codesourcery.com>
371 * config/mips/mips.c (function_arg): Where one part of a
372 complex argument is in registers and the other part in the stack,
373 return a REG not a PARALLEL.
375 2006-06-21 Mark Mitchell <mark@codesourcery.com>
377 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
378 when cross-compiling. Do not substitute libstdcxx_incdir.
379 * configure: Regenerated.
381 2006-06-21 Jakub Jelinek <jakub@redhat.com>
383 * varasm.c (mergeable_string_section): Check for embedded NULs and
384 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
385 rather than TREE_STRING_LENGTH bytes.
387 2006-06-21 Richard Guenther <rguenther@suse.de>
389 * ggc-page.c (extra_order_size_table): Add var_ann_d,
390 tree_ssa_name, bitmap_element and phi_node with 4 arguments
393 2006-06-21 Richrad Guenther <rguenther@suse.de>
395 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
396 Limit iteration over the dominators.
398 2006-06-20 Roger Sayle <roger@eyesopen.com>
400 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
401 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
403 2006-06-20 Richard Guenther <rguenther@suse.de>
404 Michael Matz <matz@suse.de>
406 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
408 * alloc-pool.c (free_alloc_pool_if_empty): New function.
409 * et-forest.h (et_free_pools): Prototype new function.
410 * et-forest.c (et_free_tree_force): Free parent occurrence.
411 (et_free_pools): New function.
412 * dominance.c (free_dominance_info): Free et-forest alloc
415 2006-06-20 Roger Sayle <roger@eyesopen.com>
417 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
418 integer modes, attempt to directly construct an integer constant.
420 * fold-const.c (native_encode_vector): Determine the size of each
421 element from the vector type instead of the first vector element.
423 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
424 if all of its elements/components are constant.
425 (build_constructor_from_list): Likewise.
427 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
429 PR tree-optimization/27331
430 * tree-data-ref.c (free_data_ref): New function.
431 (create_data_ref): Fail if the data reference has unknown access
433 (free_data_refs): Use free_data_ref.
435 2006-06-19 Andrew Pinski <pinskia@gmail.com>
438 * tree-inline.c (setup_one_parameter): Strip useless
439 type conversion before adding it to the IR.
440 (declare_return_variable): Likewise.
442 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
445 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
447 2006-06-19 Mike Stump <mrs@apple.com>
449 * tree.c (variably_modified_type_p): VM arguments don't make the
452 2006-06-19 Richard Guenther <rguenther@suse.de>
454 * tree-ssa-pre.c (try_combine_conversion): Strip useless
455 type conversions after folding.
457 2006-06-19 Richard Guenther <rguenther@suse.de>
459 * ggc-page.c (extra_order_size_tab): Add entries with
460 size of struct function and basic_block.
461 (size_lookup): Extend to cover sizes up to 511.
462 (ggc_alloc_stat): Adjust user.
463 (ggc_pch_count_object): Likewise.
464 (ggc_pch_alloc_object): Likewise.
465 (ggc_pch_write_object): Likewise.
467 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
469 * tree-ssa-loop-niter.c (implies_ge_p): New function.
470 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
473 2006-06-19 Denis Chertykov <denisc@overta.ru>
475 * config/avr/libgcc.S : Correct my wrong previous commit.
477 2006-06-19 Roger Sayle <roger@eyesopen.com>
480 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
481 have stripped a SUBREG from the shift count, so we may need to
482 convert_to_mode back to the type's mode before calling make_tree.
483 Use new_amount instead of amount to avoid expanding a tree twice.
485 2006-06-19 Richard Guenther <rguenther@suse.de>
488 * fold-const.c (operand_equal_p): Check if the argument types
489 have the same precision before stripping NOPs.
491 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
493 Fix PR tree-optimization/27341
494 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
496 * tree-complex.c (pass_lower_complex): Update SMT usage.
498 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
500 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
501 Add a new alternative to the constraint strings. Add move of
502 operand 1 to 3 to the splitter definition.
503 ("doloop_si_long"): Second contraint alternative removed.
505 2006-06-08 Anatoly Sokolov <aesok@post.ru>
507 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
508 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
510 (AVR_HAVE_MOVW) Define.
511 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
512 (ASM_SPEC): Add avr25.
513 (LINK_SPEC): Add avr25.
514 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
515 (base_arch_s): Add new member 'have_movw_lpmx'.
516 (avr_arch_types): Init 'have_movw_lpmx'.
517 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
518 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
519 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
520 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
521 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
523 (avr_file_start): Do not output '.arh' derective.
524 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
525 (__do_copy_data): Use __AVR_HAVE_LPMX__.
526 * config/avr/avr.md (mcu_enhanced): Delete.
527 (mcu_have_movw): Define.
528 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
529 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
530 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
531 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
532 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
533 attiny861 and at86rf401 devices.
535 2006-06-18 Jie Zhang <jie.zhang@analog.com>
537 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
540 2006-06-17 Karl Berry <karl@gnu.org>
542 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
543 doc/gccint.texi, doc/install.texi (@dircategory): Use
544 "Software development" instead of "Programming", following
545 the Free Software Directory.
547 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
549 * config/i386/i386.c (legitimate_tls_address)
550 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
551 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
552 (*tls_dynamic_gnu2_combine_64): Likewise.
554 2006-06-16 Richard Guenther <rguenther@suse.de>
557 * fold-const.c (negate_expr_p): Do not introduce undefined
558 overflow in negating INTEGER_CSTs.
559 (fold_negate_expr): Rename from negate_expr. Revert last
560 change for folding BIT_NOT_EXPR. Change semantics to
561 return NULL_TREE for non-simplified negations. Do not
562 strip type conversions and unify type handling.
563 (negate_expr): New function, wrap around fold_negate_expr
564 but ensure building a tree always. Strip type conversions
565 here, fold to result type.
566 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
568 2006-06-16 Roger Sayle <roger@eyesopen.com>
571 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
572 that (would) return their results in stack registers.
574 2006-06-16 Michael Matz <matz@suse.de>
575 Richard Guenther <rguenther@suse.de>
577 * fold-const.c (fold_truthop): Only return new tree node if
578 we canonicalized something.
580 2006-06-16 Richard Guenther <rguenther@suse.de>
582 * function.h (enum function_frequency): Move declaration
583 out of struct function.
584 (struct function): Move bool fields and the enum to the bitfield
585 section. Reorder elements to avoid padding. Remove unused
586 fields left over from the RTL inliner removal.
587 * function.c (free_after_compilation): Do not zero removed fields.
588 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
589 (ipa-type-escape.o): Likewise.
591 2006-06-16 Richard Guenther <rguenther@suse.de>
593 * cgraph.h (struct cgraph_local_info): Turn bool elements
595 (struct cgraph_node): Likewise.
596 (struct cgraph_varpool_node): Likewise.
598 2006-06-15 Richard Guenther <rguenther@suse.de>
600 * fold-const.c (fold_truth_not_expr): Rename from
601 invert_truthvalue. Give it fold_* semantics to avoid
603 (invert_truthvalue): New function. Wrapper around
605 (optimize_minmax_comparison): Avoid creating garbage.
606 (fold_unary): Use fold_truth_not_expr for folding
608 (fold_ternary): Replace uses of invert_truthvalue with
609 fold_truth_not_expr where applicable.
610 * tree.h (fold_truth_not_expr): Prototype.
612 2006-06-16 Richard Guenther <rguenther@suse.de>
614 PR tree-optimization/27781
615 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
616 * ipa-pure-const.c (target.h): Include.
617 (analyze_function): Do not analyze functions that do not
620 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
623 * tree-dfa.c (referenced_vars_dup_list): Remove.
624 (find_referenced_vars): Remove assert.
625 (referenced_var_check_and_insert): Replace dup list with assert.
626 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
627 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
629 2006-06-15 Richard Guenther <rguenther@suse.de>
631 * tree-ssa-structalias.c (alias_get_name): Avoid creating
632 extra unused identifiers if not dumping.
633 (create_variable_info_for): Likewise.
635 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
637 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
638 (derive_constant_upper_bound): Derive more precise upper bound in
639 common cases. Return type changed to double_int.
640 (record_estimate): Reflect the changed return type of
641 derive_constant_upper_bound.
642 * double-int.c (double_int_zext, double_int_sext): Fix.
644 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
646 * configure.ac (CFLAGS): Get them from the toplevel or from the
647 configure invocation.
648 * configure: Regenerate.
649 * Makefile.in (CFLAGS): Substitute value provided by configure.
651 2006-06-14 Mark Mitchell <mark@codesourcery.com>
654 * c-common.h (c_finish_omp_atomic): Adjust declaration.
655 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
656 rather than calling add_stmt on it.
657 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
659 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
662 * reload1.c (reload): Remove registers returned by update_eliminables
663 from used_spill_regs.
665 2006-06-13 DJ Delorie <dj@redhat.com>
667 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
669 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
671 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
672 html__strip_dir, html__mkdir_p. Enhance install-html target.
673 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
674 * configure: Regenerate.
676 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
678 * fold-const.c (fold_cond_expr_with_comparison): Check for
679 Objective-C++ as language in deciding COND_EXPR transformation.
681 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
684 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
685 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
686 * config/sh/lib1funcs.h (SL, SL1): Define.
687 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
688 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
689 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
690 (OBJS_Os_4_200): New variable.
691 ($(T)libgcc-Os-4-200.a): Use it.
692 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
693 when dividing 1 and/or by 0.
695 2006-06-13 Roger Sayle <roger@eyesopen.com>
697 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
698 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
699 * configure: Regenerate.
701 2006-06-13 Jie Zhang <jie.zhang@analog.com>
703 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
704 for real instruction.
706 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
709 * haifa-sched.c (check_cfg): Handle special case.
711 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
714 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
715 Add debug_info parameter. Chain the vars to the BLOCK instead
716 of the BIND_EXPR if debug info are requested for them.
717 (pop_gimplify_context): Adjust for above change.
718 (gimple_add_tmp_var): Likewise.
719 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
721 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
722 (convert_local_reference): Likewise.
723 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
724 (finalize_nesting_tree_1): Request that debug info be emitted
727 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
729 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
732 2006-06-13 Richard Guenther <rguenther@suse.de>
735 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
737 2006-06-13 Richard Guenther <rguenther@suse.de>
739 PR tree-optimization/27830
740 * tree-inline.c (copy_body_r): For copying the operand
741 of an ADDR_EXPR make sure to fold &* afterwards.
743 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
745 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
746 lvalues in the fb_none case with side-effects.
748 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
750 * tree-flow.h: Remove the prototype for
751 compute_phi_arg_on_exit.
752 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
753 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
756 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
758 * builtins.c (expand_builtin_return_addr): Only use
759 frame_pointer_rtx when count == 0 and we are expanding
760 __builtin_return_address.
762 2006-06-12 Fred Fish <fnf@specifix.com>
764 * config/mips/mips.c (mips_file_start): Create special section
765 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
767 2006-06-11 Eric Christopher <echristo@apple.com>
770 * stor-layout.c (place_field): Remove check for
771 remaining_in_alignment when aligning at the end of a run.
773 2006-06-11 Eric Christopher <echristo@apple.com>
776 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
779 2006-06-11 Roger Sayle <roger@eyesopen.com>
782 Revert incorrect fix for PR target/27158
783 2006-05-08 Roger Sayle <roger@eyesopen.com>
784 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
785 of a reg_equiv_constant if the result is a legitimate constant.
787 2006-06-11 Roger Sayle <roger@eyesopen.com>
790 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
791 extract a CONST_VECTOR element and interpret it as an integer.
792 (vspltis_constant): Use const_vector_elt_as_int instead of the
793 macro CONST_VECTOR_ELT in order to handle FP vector modes.
794 * config/rs6000/predicates.md (easy_vector_const): Consider
795 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
797 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
800 * stor-layout.c (update_alignment_for_field): Don't add extra
801 alignment for packed non-bitfield fields in ms_bitfield_layout_p
804 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
806 * config/mips/t-rtems: Add EL/EB multilib variants.
808 2006-06-09 Mike Stump <mrs@apple.com>
810 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
812 2006-06-09 David Daney <ddaney@avtrex.com>
814 * doc/install.texi: Add binutils version recommendation for mips-*-*.
816 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
818 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
820 2006-06-09 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/26998
823 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
824 of signed types, only TYPE_MIN_VALUE is special, but for both,
825 minimum and maximum value. Likewise VR_ANTI_RANGE is special
826 in this case, as is -fwrapv.
828 2006-06-08 Mike Stump <mrs@apple.com>
831 * config/darwin.c (darwin_asm_output_anchor): Disable
832 -fsection-anchors on darwin for now.
833 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
834 * rs6000/rs6000.c (optimization_options): Likewise.
836 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
839 * config/i386/i386.c (classify_argument): Skip fields with invalid
842 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
844 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
845 (cse_insn): Likewise for the stack_pointer_rtx.
847 2006-06-08 Roger Sayle <roger@eyesopen.com>
849 * tree-ssa-dom.c (record_conditions): Only record "unordered"
850 conditions from floating point comparisons.
852 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
855 * expmed.c (struct alg_hash_entry): Fix type of field T
856 to match synth_mult argument.
857 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
859 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
862 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
865 2006-06-08 Richard Guenther <rguenther@suse.de>
868 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
869 only, if overflow is defined and not trapping.
870 (negate_expr): Likewise.
872 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
874 PR tree-optimization/27872
875 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
876 flag on the new exit edge of the unrolled loop.
878 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
880 PR rtl-optimization/26449
881 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
883 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
886 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
887 referenced_variables with matching DECL_UID's.
888 (find_referenced_vars): Make sure duplicate list is empty to start.
889 (referenced_var_p): Remove.
890 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
891 Check if var is in the list, and add if needed. Update the duplicate
892 list if a different var is in the list with the same DECL_UID.
893 (add_referenced_var): Call routine to check and insert.
894 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
895 * tree-flow.h (referenced_vars_dup_list): External declaration.
897 2006-06-07 Fred Fish <fnf@specifix.com>
899 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
902 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
905 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
906 the imaginary and real parts of a clobbered register.
907 Emit insn to set the imaginary part.
909 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
911 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
912 in lieu of unwind-dw2-fde.c.
914 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
916 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
918 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
921 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
922 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
923 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
924 V4SImode temporaries and operations instead.
926 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
928 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
931 2006-06-06 Mike Stump <mrs@apple.com>
933 * Makefile.in: Rename to htmldir to build_htmldir to avoid
934 installing during build.
936 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
938 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
940 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
941 * config/ia64/ia64.c (params.h): New header.
942 (ia64_optimization_options): New function to adjust parameters.
943 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
944 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
945 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
947 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
949 * stor-layout.c (debug_rli): Fix a typo in a debug message.
951 2006-06-05 Steve Ellcey <sje@cup.hp.com>
954 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
956 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
957 Victor Kaplansky <victork@il.ibm.com>
959 PR tree-optimization/26360
960 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
963 2006-06-04 Roger Sayle <roger@eyesopen.com>
964 Andrew Pinski <pinskia@physics.uc.edu>
967 * c-common.c (c_common_truthvalue_conversion): Explicitly check
968 for LABEL_DECL before calling DECL_WEAK.
971 * c-typeck.c (build_binary_op): Likewise, explicitly check for
972 LABEL_DECL and PARM_DECL.
974 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
978 * c-decl.c (grokdeclarator): Disallow variably modified types at
979 file scope. Avoid marking shared array type of constant size as
982 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
985 * c-common.c (fold_offsetof_1): Handle static members.
987 2006-06-04 Eric Christopher <echristo@apple.com>
989 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
990 (debug_rli): Output value for remaining_in_alignment.
991 (update_alignment_for_field): Unconditionalize
992 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
993 extra alignment code.
994 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
995 ms_bitfield_layout_p code. Rewrite handling of structure fields.
996 * tree.h (record_layout_info_s): Remove prev_packed.
997 * doc/extend.texi (ms_struct): Add documentation of format.
999 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1001 * tree.h: Declare folding_initializer.
1002 * builtins.c (fold_builtin_constant_p): Give definite answer
1003 if folding inside an initializer.
1004 * fold-const.c: Define folding_initializer.
1005 (START_FOLD_INIT): Save and then set folding_initializer.
1006 (END_FOLD_INIT): Restore folding_initializer.
1008 2006-06-04 Richard Guenther <rguenther@suse.de>
1010 PR tree-optimization/27039
1011 * fold-const.c (fold_comparison): Handle pointer comparison
1012 again for all comparison codes. Compare offsets in signed
1014 (fold_binary): Move code from here.
1016 2006-06-03 Roger Sayle <roger@eyesopen.com>
1019 * config/i386/i386.c (construct_container): Split static issued_error
1020 flag into issued_sse_arg_error, issued_sse_ret_error and
1021 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1022 requires the use of x87 registers and the user explicitly
1023 specified the -mno-80387 command line option.
1025 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1027 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1028 HAVE_DECL_SIGALTSTACK.
1030 (segv_handler): Use MC_FLD.
1031 * configure.ac: Check for a sigaltstack declaration.
1032 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1033 * configure: Regenerate.
1034 * config.in: Regenerate.
1036 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1039 * Makefile.in (stmp-fixinc): Fix typo.
1041 2006-06-02 Roger Sayle <roger@eyesopen.com>
1043 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1044 are type correct. Clean-up.
1045 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1046 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1048 2006-06-01 DJ Delorie <dj@redhat.com>
1050 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1051 shift, as we've disabled the "switch" insn that needs it.
1053 2006-06-01 Per Bothner <bothner@bothner.com>
1055 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1056 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1057 * c-ppoutput.c (cb_define): Don't increment line 0.
1059 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1061 * doc/invoke.texi: Add cpu_type power6.
1062 * config.gcc: Add cpu_type power6.
1063 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1064 to power5+ with Altivec.
1065 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1066 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1068 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1070 * config/avr/avr.h (SET_ASM_OP): Define.
1072 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1074 * config/bfin/bfin.c: Fix comment typos.
1076 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1079 * doc/install.texi: Document --enable-bootstrap and
1080 --disable-bootstrap.
1082 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1084 * doc/install.texi: Document that InfoZIP can replace jar.
1086 2006-05-31 Roger Sayle <roger@eyesopen.com>
1088 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1089 isn't available, directly generate the simpler x87 patterns without
1090 the (use (const_int 0)).
1091 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1092 implementation isn't available.
1093 (*negdf2_1): Likewise.
1094 (*negxf2_1): XF mode negation is always done using the x87.
1095 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1097 2006-05-31 Roger Sayle <roger@eyesopen.com>
1099 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1100 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1102 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1104 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1106 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1107 * config/bfin/bfin.c (basic-block.h): Include.
1108 (struct machine_function): New.
1109 (bfin_init_machine_status): New.
1110 (override_options): Initialize init_machine_status.
1111 (bfin_hardware_loop): New.
1112 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1113 (DEF_VEC_P (loop_info)): New.
1114 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1115 (struct loop_info): New.
1116 (loop_info): New typedef.
1117 (struct loop_work): New.
1118 (loop_work): New typedef.
1119 (DEF_VEC_O (loop_work)): New.
1120 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1121 (bfin_dump_loops): New.
1122 (bfin_bb_in_loop): New.
1123 (bfin_scan_loop): New.
1124 (bfin_optimize_loop): New.
1125 (bfin_reorg_loops): New.
1126 (bfin_reorg): Use bfin_reorg_loops.
1127 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1129 (I_REGNO_P): Simplify.
1130 (DP_REGNO_P, DPREG_P): New macros.
1131 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1132 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1133 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1134 Add LT_REGS, LC_REGS, LB_REGS.
1135 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1137 (REGNO_REG_CLASS): Deal with loop registers.
1138 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1140 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1141 New constants for loop registers.
1142 (UNSPEC_LSETUP_END): New.
1143 (seq_insns): New define_attr. Set it for appropriate insns.
1144 (movsi_insn): Add alternatives for move from/to
1145 loop count registers.
1146 (doloop_end): New define_expand.
1147 (loop_end): New define_insn.
1148 (define_split for bad doloop_end): New.
1149 (lsetup_with_autoinit): New define_insn.
1150 (lsetup_without_autoinit): New define_insn.
1151 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1152 * config/bfin/predicates.md (lc_register_operand): New.
1153 (lt_register_operand): New.
1154 (lb_register_operand): New.
1155 (nondp_register_operand): New.
1156 (nondp_reg_or_memory_operand): New.
1157 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1159 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1161 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1162 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1164 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1166 * Makefile.in (CATALOGS): Add po/ prefix.
1167 * configure: Regenerated.
1169 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1172 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1173 a shift operand before calling shift_op. Avoid redundant call of
1176 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1177 DJ Delorie <dj@redhat.com>
1179 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1180 we're inserting is a singlt-bit constant.
1182 2006-05-30 Roger Sayle <roger@eyesopen.com>
1184 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1185 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1187 2006-05-30 Roger Sayle <roger@eyesopen.com>
1189 PR tree-optimization/23452
1190 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1191 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1192 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1193 complex values and with -ffast-math for FP complex values.
1195 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1197 * c-common.h: Remove the prototype for yyparse.
1198 * rtl.h: Remove the prototype for init_loop.
1200 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1202 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1205 2006-05-30 Roger Sayle <roger@eyesopen.com>
1207 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1209 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1210 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1212 2006-05-30 Dirk Mueller <dmueller@suse.de>
1215 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1216 for CONSTANT_CLASS_P expresisons.
1218 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1221 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1223 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1225 PR tree-optimization/27779
1226 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1227 initial_condition instead of CHREC_LEFT.
1229 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1231 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1232 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1233 Make prototypes ISO C90.
1235 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1236 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1238 * see.c (see_analyze_one_def): Correct check.
1239 (see_get_extension_data): Check if extension is parallel.
1240 (see_get_extension_reg): Likewise.
1242 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1245 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1246 into register for (code == GTU).
1248 2006-05-29 Roger Sayle <roger@eyesopen.com>
1250 PR tree-optimization/24964
1251 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1252 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1253 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1254 abs(x)*abs(x) as x*x for scalar floating point modes.
1256 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1259 * lambda-code.c (perfect_nestify): Don't copy statements
1260 in the inner loop: move them to the inner loop header.
1262 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1265 * c-tree.texi: Document OpenMP directives and clauses.
1267 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1269 * varasm.c (globalize_decl): Fix indentation.
1271 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1274 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1275 pass_fre, pass_store_ccp, pass_copy_prop,
1276 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1277 pass_return_slot, pass_object_size, pass_lim,
1278 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1279 pass_loop_prefetch and pass_stdarg.
1281 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1283 * config/bfin/bfin.opt (mfdpic): New option.
1284 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1285 (EXTRA_MULTILIB_PARTS): Likewise.
1286 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1287 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1289 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1290 (CRT_CALL_STATIC_FUNCTION): New.
1291 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1293 (CRT_CALL_STATIC_FUNCTION): New.
1294 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1296 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1297 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1298 (initialize_trampoline): Changed to handle FD-PIC code generation.
1299 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1300 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1301 (override_options): Disallow -mid-shared-library -mfdpic combination.
1302 Can't do unaligned ops if FD-PIC.
1303 Turn off flag_pic if trying to generate non-id-shared-library
1304 non-fdpic code, since it's not supported.
1305 (bfin_assemble_integer): New function.
1306 (TARGET_ASM_INTEGER): Define.
1307 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1309 * config/bfin/crtn.s: Restore them.
1310 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1312 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1313 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1314 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1315 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1316 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1318 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1319 FDPIC_REGS and FDPIC_FPTR_REGS.
1320 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1321 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1322 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1323 (load_funcdescsi): New pattern.
1324 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1325 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1326 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1328 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1330 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1333 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1335 * tree-flow.h: Remove the prototype for add_type_alias.
1336 * tree-ssa-alias.c (add_type_alias): Remove.
1338 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1340 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1341 config/fr30/fr30.md, config/i386/i386-interix.h,
1342 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1343 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1344 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1345 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1346 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1347 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1348 Follow spelling conventions.
1349 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1350 Follow spelling conventions.
1352 2006-05-27 Richard Guenther <rguenther@suse.de>
1355 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1356 to produce a constant of value 1 of generic type.
1358 2006-05-27 Dirk Mueller <dmueller@suse.de>
1360 * cgraphunit.c (decide_is_function_needed): Fix wrong
1363 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1365 PR rtl-optimization/27661
1366 * reload.c (find_reloads): When reloading a VOIDmode constant
1367 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1368 use Pmode as mode of the reload register.
1370 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1372 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1373 is enabled at -O and above.
1375 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1378 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1381 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1384 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1385 for anonymous variables explicitly declared by front ends.
1387 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1389 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1390 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1391 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1392 ref-all pointers, run a finalization pass for them.
1393 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1394 (finalize_ref_all_pointers): New function.
1395 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1396 regular pointer type to a ref-all pointer type.
1397 (get_tmt_for): Return the special memory tag for ref-all pointers.
1399 2006-05-25 Richard Guenther <rguenther@suse.de>
1402 * fold-const.c (fold_binary): Do not look at the stripped
1403 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1405 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1407 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1408 for LT and GT if the computed range is effectively empty.
1410 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1413 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1414 mips_quad_format formats instead of ieee_single_format,
1415 ieee_double_format and ieee_quad_format formats, respectively.
1417 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1419 PR tree-optimization/27639
1420 PR tree-optimization/26719
1421 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1422 call to scev_probably_wraps_p.
1423 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1424 used_in_pointer_arithmetic_p, convert_step): Removed.
1425 (nowrap_type_p): New function.
1426 (scev_probably_wraps_p): Rewritten.
1427 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1428 chrec_convert if chrec_convert_aggressive might have been used.
1429 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1430 scev_direction): New functions.
1431 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1432 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1433 instead of convert_step.
1434 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1435 (convert_step): Declaration removed.
1436 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1438 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1440 * df-core.c: Added to header comments.
1441 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1442 df_ur_bb_info, df_urec_bb_info): Added comments.
1443 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1444 urec, ri problems): Fixed header comments.
1445 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1446 code from df_rd_transfer_function.
1448 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1450 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1451 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1452 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1454 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1456 * expr.c (undefined_operand_subword_p): New.
1457 (emit_move_multi_word): Do not generate move from undefined bits
1458 of a paradoxical subreg.
1460 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1462 PR rtl-optimization/27736
1463 * combine.c (replaced_rhs_value): New variable.
1464 (combine_instructions): Set it.
1465 (distribute_notes): When distributing a note in replaced_rhs_insn,
1466 check whether the value was used in replaced_rhs_value.
1468 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1471 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1472 add_referenced_var instead of add_referenced_tmp_var.
1473 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1474 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1476 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1477 tree_optimize_tail_calls_1): Use add_referenced_var.
1478 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1479 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1480 Use add_referenced_var.
1481 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1482 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1483 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1484 Use add_referenced_var.
1485 * tree-dfa.c (struct walk_state): Remove.
1486 (find_referenced_vars): Remove walk state and vars_found hash table.
1487 (make_rename_temp): Use add_referenced_var.
1488 (find_vars_r): Pass less parameters to add_referenced_var.
1489 (referenced_var_p): New. Is var in referenced_var hash table.
1490 (referenced_var_insert): Assert var isn't already in hash table.
1491 (add_referenced_var): Don't need walk_state parameter. Add var if it
1492 isn't already in the hash table.
1493 (add_referenced_tmp_var): Remove.
1494 (find_new_referenced_vars_1): Use add_referenced_var.
1495 * tree-ssa-pre.c (create_expression_by_pieces,
1496 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1497 Use add_referenced_var.
1498 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1499 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1500 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1502 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1503 vect_create_data_ref_ptr, vect_create_destination_var,
1504 vect_init_vector, vect_build_loop_niters,
1505 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1506 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1507 Use add_referenced_var.
1508 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1509 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1510 (add_referenced_var): Add prototype.
1511 * tree-ssa-structalias.c (get_constraint_for,
1512 intra_create_variable_infos): Use add_referenced_var.
1514 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1516 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1517 big-endian paradoxical subregs.
1518 * var-tracking.c (struct micro_operation_def): Document that,
1519 for modify micro operations, insn is the subsequent instruction.
1520 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1521 (var_reg_set, var_mem_set): ... new functions.
1522 (add_stores): Record subsequent insn.
1523 (compute_bb_dataflow): Use new functions for MO_USE.
1524 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1525 notes after the insn, and modify notes before the insn known
1526 to be the subsequent one.
1527 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1529 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1532 * config/i386/i386.c (ix86_expand_builtin): Use
1533 gen_sse3_monitor64 for TARGET_64BIT.
1535 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1537 PR rtl-optimization/26375
1538 PR rtl-optimization/26855
1539 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1541 (df_ru_bb_local_compute): Reversed statements and removed bogus
1542 comment explaining why they should be in wrong order.
1543 (df_ru_dump, df_rd_dump): Enhanced debug info.
1544 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1546 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1547 reaching uses and fixed space problem.
1549 2006-05-23 Jan Hubicka <jh@suse.cz>
1551 * cgraphunit.c (decide_is_function_needed): Also nested functions
1552 and functions declared inline can be optimized out at -O0.
1554 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1556 * doc/install.texi (Configuration): Remove reference to CrossGCC
1560 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1563 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1564 ix86_compare_emitted is non-NULL.
1566 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1569 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1572 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1574 PR rtl-optimization/25514
1575 * combine.c (replaced_rhs_insn): New variable.
1576 (combine_instructions): Set replaced_rhs_insn when trying to replace
1577 a SET_SRC with a REG_EQUAL note.
1578 (distribute_notes): Use replaced_rhs_insn when determining the live
1579 range of a REG_DEAD register.
1581 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1582 Anatoly Sokolov <aesok@post.ru>
1584 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1585 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1586 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1587 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1588 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1589 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1590 at90usb647, at90usb1286 and at90usb1287 devices.
1591 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1592 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1594 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1596 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1598 2006-05-22 Richard Guenther <rguenther@suse.de>
1601 2006-01-31 Richard Guenther <rguenther@suse.de>
1602 Paolo Bonzini <bonzini@gnu.org>
1604 * doc/install.texi (--disable-libgcc-math): Document.
1606 2006-05-22 Richard Guenther <rguenther@suse.de>
1609 2006-01-31 Richard Guenther <rguenther@suse.de>
1611 * doc/invoke.texi (-msselibm): Document.
1612 * target.h (expand_library_builtin): New target hook.
1613 * builtins.c (expand_builtin): Use expand_library_builtin.
1614 (default_expand_library_builtin): New function.
1615 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1616 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1617 (link_gcc_math_spec): Declare.
1618 (static_specs): Add link_gcc_math_spec.
1619 * expr.h (default_expand_library_builtin): Declare.
1620 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1621 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1622 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1623 * config/i386/i386.opt (msselibm): New target option.
1624 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1625 (ix86_init_sse_abi_builtins): New function.
1626 (ix86_expand_library_builtin): Likewise.
1627 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1628 (override_options): Handle error conditions wrt -msselibm.
1629 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1630 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1631 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1634 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1637 * c-common.c (self_promoting_args_p): Skip erroneous args.
1640 * c-decl.c (finish_struct): Skip erroneous fields.
1642 2006-05-22 Nick Clifton <nickc@redhat.com>
1644 * config/cris/cris.opt (march): Remove VarExists attribute.
1645 (max-stackframe=): Likewise.
1647 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1649 * doc/rtl.texi: Fix a typo.
1650 * see.c: Fix comment typos.
1652 * tree-ssa-structalias.h (alias_info): Remove num_references.
1654 2006-05-21 Mike Stump <mrs@apple.com>
1656 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1658 (darwin_pragma_options): Use BAD instead.
1659 (darwin_pragma_unused): Likewise.
1660 (darwin_pragma_ms_struct): Likewise.
1662 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1664 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1666 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1668 PR rtl-optimization/27671
1669 * simplify-rtx.c (simplify_relational_operation_1): Fix
1670 simplifications of (eq/ne (xor x y) y) and
1671 (eq/ne (xor x y) x).
1673 PR tree-optimization/26622.
1674 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1677 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1679 * tree-cfg.c: Prune whitespace.
1680 (debug_tree_cfg): Point to correct header containing the
1683 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1686 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1688 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1691 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1692 or sorry count is non zero.
1694 2006-05-20 Andreas Schwab <schwab@suse.de>
1696 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1698 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1699 Kenneth Zadeck <zadeck@naturalbridge.com>
1701 PR rtl-optimization/26855
1703 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1705 (df_scan_alloc): Added code to properly handle multiword hard
1706 registers and add all_blocks parameter.
1707 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1708 code to properly handle multiword hard registers.
1709 (df_rescan_blocks): Added code to remove deleted blocks from
1711 (df_ref_create_structure, df_ref_record): Added code to properly
1713 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1714 and set DF_REF_PARTIAL.
1715 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1716 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1717 (df_scan_add_problem): Added flags parameter.
1718 (df_ref_create_structure): Changed switching structure.
1719 (df_bb_refs_record): Fixed case where duplicate artificial refs
1720 were created. Changed location of flags.
1721 (df_record_entry_block_defs): Added code to make stack pointer
1722 live in entry block. Refined cases where frame pointer is needed.
1723 Changed location of flags.
1724 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1725 (df_set_state): Removed function.
1726 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1727 df_insn_create_insn_record, df_insn_refs_delete,
1728 df_ref_create_structure): Formatting changes.
1729 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1730 df_delete_basic_block): New function.
1731 (df_init): Changed location of flags.
1732 (df_add_problem): Added flags parameter and the way flags are
1734 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1735 debug_df_chain): Improved debugging output.
1736 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1737 (df_refs_chain_dump): Removed df parameter.
1738 (df_iterative_dataflow): Added consistency check.
1739 (df_prune_to_subcfg): Made public.
1740 (df_analyze_problem): Added blocks_to_init parameter and made
1742 (df_ref_record, df_bb_refs_record, df_mark_reg,
1743 df_record_exit_block_uses): Whitespace changes.
1744 (df_dump): Whitespace changes.
1745 * df.h: Some reordering to remove forward references.
1746 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1747 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1748 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1749 (dataflow.flags): New field.
1750 (df.flag): Deleted field.
1751 (df_alloc_function): Added additional bitmap parameter.
1752 (df_dependent_problem_function): New type.
1753 (df_problem.changeable_flags): New field.
1754 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1755 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1756 (df_mw_hardreg): New struct.
1757 (DF_INSN_UID_MWS): New macro.
1758 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1760 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1761 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1762 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1763 (df_set_state): Removed function.
1764 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1765 * df-problems.c (df_chain_dump): Removed df parameter.
1766 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1767 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1769 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1770 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1771 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1772 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1773 DF_REF_MUST_CLOBBER cases.
1774 (df_ru_bb_local_compute_process_def,
1775 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1776 df_lr_bb_local_compute, df_ur_bb_local_compute,
1777 df_chain_create_bb): Made subreg aware.
1778 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1779 df_lr_bb_local_compute, df_lr_bb_local_compute,
1780 df_chain_create_bb): Cleanup to use proper macros.
1781 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1782 code to fixup bitvectors.
1783 (df_ri_alloc): Cleared lifetime.
1784 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1785 df_create_unused_note): New function.
1786 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1787 REG_DEAD and REG_UNUSED notes as well as register information.
1788 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1789 df_chains_dump): Fixed crash if problem was never run.
1790 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1791 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1792 df_ri_add_problem): Processes flags in uniform manner.
1793 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1794 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1795 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1796 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1797 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1798 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1799 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1800 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1801 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1802 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1803 * see.c (see_initialize_data): Ditto.
1804 * final.c (rest_of_clean_state) Added regstack_completed.
1805 * rtl.h (regstack_completed): Ditto.
1806 * reg-stack.c (regstack_completed): Ditto.
1808 2006-05-19 Mike Stump <mrs@apple.com>
1810 * c-tree.h (default_conversion): Remove.
1811 * c-common.h (default_conversion): Add.
1813 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1815 * tree-vrp.c (valid_value_p): New function.
1816 (adjust_range_with_scev): Fail if the value of bound is not
1819 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1821 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1822 (mips_fallback_frame_state): Use syscall numbers to determine
1823 the appropriate li instruction for the current ABI. Only use
1824 __NR_sigreturn for o32.
1826 2006-05-19 Nicolas Setton <setton@adacore.com>
1828 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1829 * langhooks.c (lhd_dwarf_name): New function.
1830 * langhooks-def.h (lhd_dwarf_name): Declare.
1831 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1832 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1833 * ada/misc.c (gnat_dwarf_name): New function.
1834 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1836 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1838 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1840 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1841 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1842 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1843 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1844 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1845 determine the size of Wtype, etc.
1846 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1847 (swfloatfuncs): New variable.
1848 (dwfloatfuncs): Likewise.
1849 (lib2funcs): Remove floating-point conversion functions from
1850 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1851 the set of conversion routines needed. Allow entries to specify
1852 an object name, filename and word size. Update users accordingly.
1853 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1854 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1858 2006-02-08 Roger Sayle <roger@eyesopen.com>
1861 * config/fixtfdi.c: New libgcc source file.
1862 * config/fixunstfdi.c: New source file.
1863 * config/floatditf.c: New source file.
1864 * config/floatunditf.c: New souce file.
1865 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1866 files above instead of config/mips/_tilib.c.
1867 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1869 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1871 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1872 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1874 2006-05-18 Mike Stump <mrs@apple.com>
1876 Fix up vla, vm and [*] sematics.
1882 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1883 (c_vla_unspec_p): Add.
1884 (c_vla_type_p): Add.
1885 * c-decl.c (struct c_scope): Add had_vla_unspec.
1886 (build_array_declarator): Add support for [*].
1887 (grokdeclarator): Likewise.
1888 (grokparms): Likewise.
1889 (get_parm_info): Likewise.
1890 * c-objc-common.c (c_vla_unspec_p): Likewise.
1891 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1892 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1893 typeof when argument is a variably modified type not inside sizeof or alignof.
1894 (c_parser_direct_declarator_inner): Propagate errors.
1895 (c_parser_sizeof_expression): Add support for [*].
1896 (c_parser_parms_declarator): Initialize had_vla_unspec.
1897 (c_parser_parms_list_declarator): Likewise.
1898 * c-typeck.c (c_vla_type_p): Add.
1899 (composite_type): Add support for vla compositing.
1900 (comptypes_internal): Add support for vla compatibility.
1901 (c_expr_sizeof_expr): Evaluate vla arguments.
1902 * tree.c (variably_modified_type_p): Update comment for [*].
1904 2006-05-18 Michael Matz <matz@suse.de>
1907 * config.host: Make assignments to host_xmake_file cumulative.
1908 * config.host (*-darwin*): Test $host, not $target.
1910 2006-05-12 Stuart Hastings <stuart@apple.com>
1912 * config/i386/i386.opt (-mstackrealign): New flag.
1913 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1914 (ix86_handle_cconv_attribute): Emit error when
1915 force_align_arg_pointer attribute collides with too many regparms.
1916 (ix86_function_regparm): Limit regparms when used with
1917 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1918 Support stack-realigning prologue in non-main functions. Emit
1919 warning for nested functions under -mstackrealign, emit error for
1920 nested functions with force_align_arg_pointer attribute.
1921 * doc/extend.texi (force_align_arg_pointer): Document it.
1922 * doc/invoke.texi (-mstackrealign): Document it.
1924 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1926 PR rtl-optimization/27477
1927 * combine.c (try_combine): Don't split a parallel consisting
1928 of two sets into two individual sets if both sets reference
1931 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1933 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1934 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1936 * doc/options.texi (VarExists): Updated.
1938 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1940 * unwind-dw2.c: Add declarations for uw_update_context and
1942 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1943 detected, advance frame state and context once to skip over stub.
1945 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1949 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1950 Call rewrite_into_loop_closed_ssa only when something changed.
1951 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1952 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1953 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1954 Test for perfect_nest_p here. Fix formating.
1955 (replace_uses_equiv_to_x_with_y): Fix formating.
1956 (stmt_uses_op): Removed.
1957 (can_convert_to_perfect_nest): Removed loopivs parameter.
1958 Complete the test by checking the scalar dependences.
1959 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1962 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1965 From Dan Kegel <dank@kegel.com>:
1966 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1968 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1970 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1971 if the element type is variably modified without recursing.
1973 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1976 * tree-loop-linear.c (try_interchange_loops): Test for
1977 no data dependences.
1979 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1981 PR tree-optimization/27548
1982 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1983 range of ssa names that appear on abnormal edges.
1984 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1985 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1987 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1990 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1992 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1995 * tree.h (OMP_PARALLEL_COMBINED): Define.
1996 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1997 (new_omp_context): Add is_combined_parallel argument.
1998 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1999 new_omp_context caller.
2000 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2001 Adjust gimplify_scan_omp_clauses callers.
2002 (omp_is_private): Issue errors if iteration variable is firstprivate
2003 or reduction in the current context.
2004 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2005 on combined parallel workshare constructs.
2007 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2009 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2010 (gcc-options.o): New rule.
2012 * optc-gen.awk: Protect variables for gcc-options.o with
2013 #ifdef GCC_DRIVER/#endif.
2015 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2017 Fix PR tree-optimization/27373
2018 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2019 (forward_propagate_addr_expr): Update call.
2021 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2023 * doc/options.texi: Move the Negative option.
2025 2006-05-16 Richard Guenther <rguenther@suse.de>
2027 PR tree-optimization/22303
2028 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2030 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2031 ccp_fold did not simplify the statement.
2033 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2036 * Makefile.in (GCC_OBJS): New.
2037 (OBJS-common): Add opts-common.o.
2038 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2039 (cpp$(exeext)): Likewise.
2040 (gcc.o): Also depend on opts.h.
2041 (opts-common.o): New.
2043 * common.opt (gcoff): Add Negative(gdwarf-2).
2044 (gdwarf-2): Add Negative(gstabs).
2045 (gstabs): Add Negative(gstabs+).
2046 (gstabs+): Add Negative(gvms).
2047 (gvms): Add Negative(gxcoff).
2048 (gxcoff): Add Negative(gxcoff+).
2049 (gxcoff+): Add Negative(gcoff).
2050 * config/i386/i386.opt (m32): Add Negative(m64).
2051 (m64): Add Negative(m32).
2053 * doc/options.texi: Document the Negative option.
2055 * gcc.c: Include "opts.h".
2056 (main): Call prune_options after expandargv.
2058 * optc-gen.awk: Generate common declarations for all flag
2059 variables in options.c. Output the neg_index field.
2061 * opts.c (find_opt): Moved to ...
2062 * opts-common.c: Here. New file.
2064 * opts.h (cl_option): Add a neg_index field.
2066 (prune_options): Likewise.
2068 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2071 * omp-low.c (expand_omp_parallel): Don't assert
2072 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2073 instead search for it.
2076 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2079 2006-05-16 Andreas Schwab <schwab@suse.de>
2081 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2084 2006-05-15 Roger Sayle <roger@eyesopen.com>
2087 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2088 integer constants other than zero are only legitimate on TARGET_64BIT.
2089 <CONST_VECTOR> Only zero vectors are legitimate.
2090 (ix86_cannot_force_const_mem): Integral and vector constants can
2091 always be put in the constant pool.
2093 2006-05-16 DJ Delorie <dj@redhat.com>
2095 * crtstuff.c (__dso_handle): Set section from
2096 TARGET_LBIGCC_SDATA_SECTION if defined.
2097 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2098 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2100 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2103 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2106 2006-05-16 Ben Elliston <bje@au.ibm.com>
2108 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2110 2006-05-15 Per Bothner <per@bothner.com>
2112 * tree.c: (last_annotated_node): Use source_locus typedef.
2113 This permits bootstrapping with --enable-mapped-location.
2115 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2117 PR tree-optimization/26830
2118 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2119 (info_for_ssa_name, current_info_for_ssa_name_age,
2120 blocks_to_update): New variables.
2121 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2122 (clear_ssa_name_info, initialize_flags_in_bb,
2123 mark_block_for_update): New functions.
2124 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2125 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2126 prepare_def_site_for): Use mark_block_for_update.
2127 (mark_def_interesting): Assert that the processed block is marked in
2128 blocks_to_update. Do not take blocks argument.
2129 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2131 (rewrite_update_init_block, rewrite_update_stmt): Only process
2132 blocks with statements to rewrite.
2133 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2134 (update_ssa): Initialize and free blocks_to_update. Do not
2135 clear flags on statements. Do not use blocks bitmap.
2136 * tree.h (SSA_NAME_AUX): Removed.
2137 (struct tree_ssa_name): Removed aux field.
2138 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2140 2006-05-15 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/27603
2143 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2144 Do computations in original type.
2146 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2148 * see.c: Code style changes such as redundant paranthesis,
2149 redundant intialization of local variables etc.
2150 (see_main): Declared now as static.
2151 * doc/invoke.texi: Update that -fsee is not enabled by
2154 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2156 * omp-low.c (check_omp_nesting_restrictions): New function.
2157 (scan_omp_1): Call it.
2160 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2161 construct, return *VAR.
2163 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2165 PR rtl-optimization/27406
2166 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2169 2006-05-14 Roger Sayle <roger@eyesopen.com>
2171 PR rtl-optimization/27538
2172 * combine.c (expand_compound_operation): Call gen_lowpart
2173 before calling simplify_shift_const.
2175 2006-05-14 Roger Sayle <roger@eyesopen.com>
2177 PR rtl-optimization/22563
2178 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2179 a fixed width bitfield, always force the intermediates into psuedos.
2181 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2184 * mkconfig.sh: Use operator = instead of == for test.
2186 2006-05-13 Nick Clifton <nickc@redhat.com>
2188 * dwarf2out.c (dbx_reg_number): Check return value from
2189 LEAF_REG_REMAP and only use it if it is valid.
2190 (multiple_reg_loc_descriptor): Likewise.
2192 2006-05-13 Richard Guenther <rguenther@suse.de>
2194 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2197 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2199 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2200 information attached to non-INSNs such as NOTEs.
2201 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2203 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2205 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2207 * config/s390/s390.md: Adjust comment describing On constraint.
2209 2006-05-11 Jan Hubicka <jh@suse.cz>
2211 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2212 to be output at -O0.
2214 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2217 * fold-const.c (size_binop): Move sanity check for arguments to
2218 the beginning of the function.
2221 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2224 2006-05-11 Richard Guenther <rguenther@suse.de>
2227 * fold-const.c (fold_unary): Handle intermediate conversion
2228 to a pointer type like intermediate conversion to an integer
2229 type in folding of (T1)(T2)var to var.
2230 Match the code to the comment in the final conversion for
2231 (T1)(T2)var to (T1)var regarding to type precision. Rather
2232 than disallow T1 being of pointer type, assert that both T1
2233 and var are of pointer type or not. Make sure not to fall
2234 over the frontends lazyness wrt array to pointer decay though.
2236 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2238 * arm.c (arm_struct_value_rtx): Delete.
2239 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2240 (arm_init_cumulative_args): Always initialize nregs to zero.
2242 2006-05-10 Richard Guenther <rguenther@suse.de>
2244 PR tree-optimization/27532
2245 * tree-object-size.c (plus_expr_object_size): Fix typo.
2247 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2250 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2251 ashrdi_const, ashrdi3): Use a scratch register.
2253 2006-05-10 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/27302
2256 * fold-const.c (operand_equal_p): For two comparisons,
2257 try comparison of one comparison code swapped if that yields
2260 2006-05-10 Ben Elliston <bje@au.ibm.com>
2262 * tree-pretty-print.c (pretty_print_string): No need to handle
2263 '\0' as a special character.
2265 * tree.h: Include "hashtab.h".
2266 (iterative_hash_expr): Use hashval_t in its prototype.
2267 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2269 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2272 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2273 (hppa*64*-*-hpux11*): Ditto.
2274 (hppa[12]*-*-hpux11*): Ditto.
2276 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2279 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2281 2006-05-09 Michael Matz <matz@suse.de>
2283 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2284 host_extra_gcc_objs and host_xmake_file.
2285 (<*-*-linux*>): Don't overwrite host_xmake_file.
2286 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2287 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2288 (host_detect_local_cpu): Declare.
2289 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2290 * config/i386/i386.c (override_options): Handle -mtune=native
2292 * config/i386/x-i386: New file.
2293 * config/i386/driver-i386.c: New file.
2294 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2297 2006-05-09 Dirk Mueller <dmueller@suse.de>
2298 Richard Guenther <rguenther@suse.de>
2301 * fold-const.c (fold_read_from_constant_string): Relax check
2302 for matching types to matching modes.
2304 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2306 PR rtl-optimization/27335
2307 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2310 2006-05-08 Chao-ying Fu <fu@mips.com>
2311 Richard Sandiford <richard@codesourcery.com>
2313 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2314 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2315 * config/mips/mips.md (UNSPEC_SCC): New constant.
2316 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2317 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2318 (mips_emit_compare): Use it.
2319 (mips_expand_vcondv2sf): New function.
2321 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2323 Fix PR tree-optimization/27093
2324 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2325 renaming when they become not-used_alone.
2327 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2329 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2330 relocation and relocation stubs.
2332 2006-05-08 Eric Christopher <echristo@apple.com>
2334 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2337 2006-05-08 Jan Hubicka <jh@suse.cz>
2340 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2341 unused static functions are needed.
2343 2006-05-08 Roger Sayle <roger@eyesopen.com>
2346 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2347 of a reg_equiv_constant if the result is a legitimate constant.
2349 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2352 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2353 standard 80387 constants, raise the cost to prevent
2354 compress_float_constant() to generate load from memory.
2356 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2358 * config/arm/constraints.md (c): Fix a typo.
2360 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2363 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2366 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2368 (_mm_mwait): Likewise.
2370 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2372 (sse3_monitor): Make it 32bit only.
2373 (sse3_monitor64): New. 64bit monitor.
2375 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2378 * config/i386/i386.c (classify_argument): Skip fields with invalid
2381 2006-05-07 Richard Guenther <rguenther@suse.de>
2383 PR tree-optimization/27409
2384 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2385 Do not try to find zero-sized subvars.
2387 2006-05-07 Richard Guenther <rguenther@suse.de>
2389 PR tree-optimization/27136
2390 * tree-ssa-loop-niter.c (get_val_for): Correct function
2391 comment, assert requirements.
2392 (loop_niter_by_eval): Stop processing if the iterated
2393 value did not simplify.
2395 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2397 * opts.c (flag_see): remove its setting at -O3.
2399 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2401 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2402 * arm/constraints.md: New file.
2403 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2404 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2405 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2406 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2407 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2408 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2409 * arm.md: Include constraints.md.
2410 (thumb_movsi_insn): Use satisfies_constraint_J.
2411 (movhi, movqi): Use satisfies_constraint_I.
2413 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2415 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2416 for atmeg a645 device.
2418 2006-05-06 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/27151
2421 * tree-vect-transform.c (vectorizable_condition): Punt on
2422 values that have a different type than the condition.
2424 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2427 * c-parser.c (c_parser_cast_expression): Only insert casts into
2428 hash table if pointer.
2429 * function.c (used_types_insert_helper): Rename from
2431 (used_types_insert): Call used_types_insert_helper.
2432 * function.h (used_types_insert): Accept only one argument.
2434 2006-05-05 David Edelsohn <edesohn@gnu.org>
2436 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2437 scratch with output modifier.
2439 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2442 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2443 with output modifier.
2445 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2448 * config/mips/mips.c (mips_symbolic_address_p): Return true
2449 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2450 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2452 2006-05-04 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/14287
2455 PR tree-optimization/14844
2456 PR tree-optimization/19792
2457 PR tree-optimization/21608
2458 PR tree-optimization/27090
2459 * tree-ssa-pre.c (try_combine_conversion): New function.
2460 (compute_avail): After constructing the value-handle
2461 expression, use try_combine_conversion to combine NOP_EXPRs
2462 with previous value-handle expressions and use the result if it
2465 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2467 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2469 2006-05-04 Jan Hubicka <jh@suse.cz>
2472 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2474 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2476 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2477 that this only matches CONST_INTs. All users changed to VOIDmode
2480 * config/bfin/bfin.c: Include "optabs.h".
2481 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2483 (enum bfin_builtins): Add a number of fractional and vector builtins.
2484 (bfin_init_builtins): Likewise.
2485 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2486 (safe_vector_operand, bfin_expand_binop_builtin,
2487 bfin_expand_unop_builtin): New functions.
2488 (bfin_expand_builtin): Handle the new builtins.
2489 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2492 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2495 * Makefile.in (OBJS-common): Add see.o.
2496 (see.o): Add dependencies.
2497 * common.opt (fsee): New flag for the see optimization was added.
2498 * opts.c (flag_see): Initialized.
2499 * passes.c (init_optimization_passes, pass_see): New pass.
2500 * rtl.h (see_main): Declaration as extern.
2501 * timevar.def (TV_SEE): New.
2502 * tree-pass.h (pass_see): Declaration as extern.
2503 * invoke.texi (-fsee): Document.
2504 * recog.c (validate_simplify_insn): New function.
2505 * recog.h (validate_simplify_insn): Declaration as extern.
2506 * df-problems.c (df_chain_dump): Check for NULL.
2508 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2509 Daniel Berlin <dberlin@dberlin.org>
2511 * cfgrtl.c (insert_insn_bb_end_new): New function.
2512 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2514 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2516 * df.h (struct web_entry): Moved from web.c.
2517 (union_defs): Declaration as extern.
2518 (unionfind_root): Likewise.
2519 (unionfind_union): Likewise.
2520 * web.c (struct web_entry): Moved to df.h.
2521 (unionfind_root): Remove static declaration.
2522 (unionfind_union): Likewise.
2523 (union_defs): Likewise and generalize to use callback function.
2524 (web_main): Update arguments for union_defs function call.
2526 2006-05-04 Richard Guenther <rguenther@suse.de>
2528 PR tree-optimization/26447
2529 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2530 produce SSA_NAME copies before the store stmt to avoid
2531 breaking exception handling.
2533 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2536 * gimplify.c (omp_is_private): If var is shared in some outer context,
2537 return false instead of true. Stop searching on parallel context
2540 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2543 * coverage.c: Use get_gcov_unsigned_t() instead of
2544 unsigned_type_node all over.
2546 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2548 PR tree-optimization/27381
2549 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2550 maintain the same immediate_use links.
2551 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2552 node rather than segfaulting.
2554 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2557 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2558 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2559 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2561 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2563 Fix PR tree-optimization/26626
2564 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2566 * tree-ssa-operands.c (access_can_touch_variable): Allow
2567 typecasting through union pointers.
2569 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2572 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2573 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2574 to find if var will be a global variable even in the nested context.
2575 (omp_copy_decl): Only check for global variable at the end, it might
2576 be overridden in outer contexts.
2577 (scan_sharing_clauses): For global variables don't create a field.
2578 (lower_rec_input_clauses): Do nothing for global shared variables.
2579 Emit a barrier at the end of ILIST if there were any decls in both
2580 firstprivate and lastprivate clauses.
2581 (lower_send_clauses): Do nothing for global variables except for
2584 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2586 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2587 of the correct signedness is returned.
2589 2006-05-02 Jeff Law <law@redhat.com>
2591 PR tree-optimization/27364
2592 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2593 multiply expressions.
2595 2006-05-02 Tom Tromey <tromey@redhat.com>
2597 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2599 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2602 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2603 -mthumb -fPIC are used.
2605 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2606 Joshua Kinard <kumba@gentoo.org>
2609 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2610 with 64-bit pointers.
2612 2006-05-02 Paul Brook <paul@codesourcery.com>
2614 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2616 (create_fix_barrier): Check that a suitable barrier location is
2618 (arm_reorg): Include ftmp->address in allowable range of addresses.
2620 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2623 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2626 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2629 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2630 around RESULT_DECL for result passed by reference.
2631 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2632 * omp-low.c (use_pointer_for_field): Don't look at
2633 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2634 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2635 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2636 time or var for passing by reference for
2637 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2638 TREE_ADDRESSABLE variables when passing by reference.
2640 * omp-low.c (dump_omp_region): Fix output formatting.
2643 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2644 (expand_omp_parallel): Likewise.
2645 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2648 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2649 on statement list containing also constructors and destructors.
2650 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2653 * except.c (duplicate_eh_regions): Fix clearing of
2654 cfun->eh->region_array entries.
2656 2006-05-01 DJ Delorie <dj@redhat.com>
2658 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2660 (gcc_cv_objdump): Likewise.
2661 * configure: Regenerated.
2663 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2666 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2667 templates for case 3 and 4.
2669 2006-05-01 DJ Delorie <dj@redhat.com>
2671 * vec.c: Include bconfig.h when appropriate.
2672 * Makefile.in (build/vec.o): Adjust dependencies.
2673 * mkconfig.sh: Make sure config.h isn't used for build machine
2676 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2678 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2680 (mark_phi_for_rewrite): New function.
2681 (insert_phi_nodes_for, mark_use_interesting): Call
2682 mark_phi_for_rewrite.
2683 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2684 (update_ssa): Initialize and free phis_to_rewrite.
2686 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR rtl-optimization/27291
2689 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2690 folded to a constant.
2692 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2694 PR tree-optimization/27283
2695 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2696 not whole # of iteration descriptions.
2697 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2698 uses abnormal ssa name.
2699 (niter_for_single_dom_exit): Ditto.
2700 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2701 return just the number of iterations.
2703 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2705 PR tree-optimization/27144
2706 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2707 (record_estimate): Only record constant upper bound.
2708 (infer_loop_bounds_from_undefined): Call
2709 compute_estimated_nb_iterations just once.
2710 (proved_non_wrapping_p): Renamed to ...
2711 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2712 (convert_step_widening, scev_probably_wraps_p): Call
2713 n_of_executions_at_most instead of proved_non_wrapping_p.
2714 (substitute_in_loop_info): Do not replace values in bounds.
2715 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2718 2006-05-01 Richard Henderson <rth@redhat.com>
2721 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2722 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2725 2006-05-01 Roger Sayle <roger@eyesopen.com>
2727 * c-typeck.c (parser_build_binary_op): Don't call the function
2728 unsigned_conversion_warning to spot operand/result type overflow.
2729 (build_binary_op): Instead, call convert_and_check instead of
2730 convert to report the problem when the operands are promoted.
2731 * c-common.c (unsigned_conversion_warning): Make static.
2732 * c-common.h (unsigned_conversion_warning): Delete prototype.
2734 2006-05-01 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/26726
2737 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2739 (find_interesting_uses_address): ... we work around here
2740 by folding INDIRECT_REFs in the substituted base.
2742 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2744 * omp-low.c (dump_omp_region): Add newlines.
2746 2006-04-30 Roger Sayle <roger@eyesopen.com>
2748 * common.opt (Woverflow): New command line option.
2749 * c-common.c (constant_expression_warning): Check warn_overflow.
2750 (overflow_waring): Pass OPT_Woverflow to warning.
2751 (unsigned_conversion_warning): Likewise.
2752 (convert_and_check): Likewise.
2753 * doc/invoke.texi: Document new command line option.
2755 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2757 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2758 TARGET_NO_FP_IN_TOC for section anchors.
2759 (optimization_options): Enable section anchors for all
2760 non-"Objective" languages.
2762 2006-04-28 Eric Christopher <echristo@apple.com>
2764 * config/darwin-c.c (darwin_ms_struct): Move this
2765 (darwin_set_default_type_attributes): and this...
2766 * config/darwin.c: ... here.
2767 * config/darwin.h (darwin_ms_struct): Declare.
2769 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2771 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2773 2006-04-28 Roger Sayle <roger@eyesopen.com>
2776 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2777 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2778 an unsigned HOST_WIDE_INT.
2779 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2781 (really_start_incremental_init): No need to call convert because
2782 bitsize_zero_node is already of type bitsizetype.
2783 (push_init_level): Extract the value of constructor_index as an
2784 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2785 (process_init_element): Likewise.
2787 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2789 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2790 value before passing to make_relative_prefix.
2792 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2795 * builtins.c (expand_builtin_memset): Expand val in original mode.
2797 2006-04-27 Eric Christopher <echristo@apple.com>
2799 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2800 with #ifndef/#endif.
2801 * config/darwin-c.c (darwin_ms_struct): New.
2802 (darwin_pragma_ms_struct): Ditto.
2803 (darwin_set_default_type_attributes): Ditto.
2804 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2805 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2806 Register ms_struct pragma.
2807 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2808 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2809 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2810 darwin_set_default_type_attributes if TARGET_MACHO.
2812 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2814 PR tree-optimization/26854
2815 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2816 * doc/tree-ssa.texi: Update immuse iterator documentation.
2817 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2818 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2819 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2820 first_safe_imm_use, next_safe_imm_use): Remove.
2821 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2822 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2823 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2824 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2825 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2826 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2827 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2828 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2829 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2830 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2831 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2832 (perfect_nestify): Use new iterator.
2833 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2835 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2836 (next_imm_name): New field in struct immediate_use_iterator_d.
2837 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2838 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2839 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2840 * tree-cfg.c (replace_uses_by): Use new iterator.
2841 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2842 * tree-ssa-operands.c (correct_use_link): Remove.
2843 (finalize_ssa_use_ops): No longer call correct_use_link.
2845 2006-04-27 Stuart Hastings <stuart@apple.com>
2847 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2848 * config/t-darwin (crt3.o): Use it.
2849 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2850 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2851 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2852 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2853 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2856 2006-04-27 Roger Sayle <roger@eyesopen.com>
2858 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2859 size, force the intermediate into a new pseudo rather instead of
2860 performing both a bitwise AND and a bitwise IOR in memory.
2862 2006-04-27 Richard Guenther <rguenther@suse.de>
2864 PR rtl-optimization/26685
2865 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2866 this one "max-flow-memory-locations".
2868 2006-04-27 Richard Guenther <rguenther@suse.de>
2870 PR tree-optimization/25148
2871 * tree-vrp.c (compare_values): Remove code dealing with
2872 comparisons against type min/max value. Honour overflow
2873 and negative constants in code dealing with comparisons
2874 of plus and minus expressions.
2875 (value_inside_range): Use fold_binary with LE_EXPR and
2876 GE_EXPR rather than compare_values.
2878 2006-04-27 Dirk Mueller <dmueller@suse.de>
2880 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2883 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2885 * basic-block.h (safe_insert_insn_on_edge): Removed.
2886 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2888 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2889 Paolo Bonzini <bonzini@gnu.org>
2892 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2893 (simplify_and_const_int): Same.
2895 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2897 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2899 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2902 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2903 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2904 cgraph_global_info_ready.
2907 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2910 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2911 either decl or init is error_mark_node.
2914 * tree-flow.h (struct omp_region): Add sched_kind.
2915 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2916 instead of extracting omp for data.
2917 (expand_omp_for): Save extracted sched_kind.
2919 2006-04-25 Roger Sayle <roger@eyesopen.com>
2921 * expmed.c (store_bit_field): Also check whether the bitsize is
2922 valid for the machine's "insv" instruction before moving the
2923 target into a pseudo for use with the insv.
2924 * config/i386/predicates.md (const8_operand): New predicate.
2925 * config/i386/i386.md (extv, extzv, insv): Use the new
2926 const8_operand predicate where appropriate.
2928 2006-04-25 DJ Delorie <dj@redhat.com>
2930 * doc/install.texi (Specific): Clarify that this is not a list of
2931 supported hosts or targets.
2933 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2935 PR rtl-optimization/26725
2936 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2937 block's BB_DIRTY flag.
2939 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2941 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2944 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2945 to print an integer.
2947 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2949 * varasm.c (align_variable): New function.
2950 (get_block_for_decl): Apply align_variable to DECL before
2951 calculating section information.
2952 (assemble_variable): Split out alignment computation.
2954 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2959 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2961 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2962 MODE_PARTIAL_INT mode.
2963 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2964 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2966 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2967 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2969 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2971 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2973 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2974 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2975 MACFLAG_IH): Likewise.
2976 (movstricthi_1): Renamed from "*movstricthi".
2977 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2978 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2979 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2980 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2981 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2982 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2983 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2984 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2985 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2986 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2987 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2988 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2989 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2990 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2991 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2993 * doc/rtl.texi (ss_ashift): Improve wording.
2995 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2997 * dwarf2out.c (verify_marks_clear): New.
2998 (prune_unused_types): Call verify_marks_clear initially, not
3001 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3003 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3004 * doc/rtl.texi: Document them.
3005 * simplify-rtx.c (simplify_unary_operation,
3006 simplify_binary_operation_1): Don't abort when we see them.
3008 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3011 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3012 * configure.ac: Completely disregard languages that are not
3014 * configure: Regenerated.
3016 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3017 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/27236
3020 * tree-inline.c (copy_body_r): Make sure to copy
3021 TREE_THIS_VOLATILE flag.
3023 2006-04-24 Richard Guenther <rguenther@suse.de>
3026 * tree-complex.c (update_parameter_components): Don't handle
3027 unused parameters which have no default def.
3029 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3030 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/27218
3033 * tree-inline.c (expand_call_inline): Strip useless type
3034 conversions for the return slot address.
3036 2006-04-24 Richard Guenther <rguenther@suse.de>
3038 * cfgloop.h (struct loops): Remove unused field array. Reorder
3040 (LOOP_PREFETCH): Remove.
3042 2006-04-24 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/22525
3045 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3046 variable, adjust types of generated expressions.
3048 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3050 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3051 (tree-vect-patterns.o): Likewise.
3053 (cselib.o): Likewise.
3054 (loop-doloop.o): Likewise.
3055 (regclass.o): Likewise.
3056 (reload1.o): Likewise.
3057 (explow.o): Replace target.h with $(TARGET_H).
3058 (ipa-prop.o): Likewise.
3059 (ipa-cp.o): Likewise.
3060 (ipa-inline.o): Likewise.
3061 (reorg.o): Likewise.
3062 (reg-stack.o): Likewise.
3064 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3066 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3068 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3070 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3072 * configure.ac: Completely disregard languages that are not
3074 * configure: Regenerated.
3077 * c-common.h (c_build_bitfield_integer_type): Declare.
3078 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3079 * c-common.c (c_build_bitfield_integer_type): ... here.
3081 2006-04-23 Roger Sayle <roger@eyesopen.com>
3084 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3085 a SImode SUBREG of a floating point register after no_new_pseudos.
3087 2006-04-23 Roger Sayle <roger@eyesopen.com>
3089 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3090 identify potentially eliminable registers to additionally catch
3091 VIRTUAL_INCOMING_ARGS_REGNUM.
3092 (addsi3): Update the conditions on when to use addsi_small_int.
3094 2006-04-23 Roger Sayle <roger@eyesopen.com>
3097 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3098 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3099 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3101 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3103 * fold-const.c (range_predecessor): Use operand_equal_p
3104 as the predicate for equality.
3105 (range_successor): Likewise.
3107 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3110 * config/soft-fp/op-common.h: Fix a typo.
3112 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3115 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3116 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3118 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3120 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3122 * doc/tm.texi: Fix a typo.
3124 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3126 * dwarf2out.c (struct die_struct): Document that die_sib makes
3127 a circular linked list.
3128 (FOR_EACH_CHILD): New.
3129 (reverse_die_lists): Delete.
3130 (reverse_all_dies): Delete.
3131 (add_dwarf_attr): Correct documentation.
3132 (remove_child_with_prev): New.
3133 (remove_child_TAG): Update for change to die_struct, use
3134 remove_child_with_prev.
3135 (add_child_die): Update for change to die_struct.
3136 (splice_child_die): Use remove_child_with_prev and add_child_die.
3137 (print_die): Use FOR_EACH_CHILD.
3138 (die_checksum): Likewise.
3139 (assign_symbol_names): Likewise.
3140 (output_location_lists): Likewise.
3141 (build_abbrev_table): Likewise.
3142 (calc_die_sizes): Likewise.
3143 (mark_dies): Likewise.
3144 (unmark_dies): Likewise.
3145 (unmark_all_dies): Likewise.
3146 (output_die): Likewise.
3147 (prune_unused_types_mark): Likewise.
3148 (prune_unused_types_walk): Likewise.
3149 (same_die_p): Update for change to die_struct.
3150 (break_out_includes): Likewise.
3151 (prune_unused_types_prune): Likewise.
3152 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3153 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3155 (dwarf2out_finish): Don't call reverse_all_dies.
3157 2006-04-21 Eric Christopher <echristo@apple.com>
3159 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3160 in comments and function names.
3162 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3165 * c-typeck.c (digest_init): Robustify.
3167 * c-typeck.c (pop_init_level): Simplify.
3169 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3171 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3173 2006-04-21 Paul Brook <paul@codesourcery.com>
3175 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3176 hardware floating point.
3178 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3180 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3183 2006-04-21 Nick Clifton <nickc@redhat.com>
3185 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3188 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3191 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3192 C++ lang type in traceback table for Objective-C++.
3194 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3196 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3198 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3200 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3203 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3204 were errors. Remove check for erroneous objects.
3206 2006-04-20 Jeff Law <law@redhat.com>
3208 PR tree-optimization/26854
3209 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3210 checking for zero or one use.
3211 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3212 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3213 * tree-ssa-reassoc.c (negate_value): Similarly.
3214 (reassociate_bb): Similarly.
3216 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3218 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3219 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3220 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3222 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3224 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3225 fp regs if the last fp arg doesn't fit in regs.
3227 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3230 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3231 that the last insn has the REG_INC note.
3233 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3234 Nathan Sidwell <nathan@codesourcery.com>
3237 * stor-layout.c (update_alignment_for_field): Do not align
3239 (place_union_field): Place union field at the start of the union.
3240 (place_field): Move ERROR_MARK check later, and use the current
3241 allocation position to maintain monotonicity.
3243 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3245 * dominance.c: Include timevar.h.
3246 (calculate_dominance_info): Use TV_DOMINANCE.
3247 * timevar.def (TV_DOMINANCE): New timevar.
3248 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3250 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3252 PR rtl-optimization/14261
3253 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3254 move would be an INSV insn.
3255 (noce_process_if_block): Don't optimize if the destination is a
3256 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3258 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3260 * config/s390/s390.md: Add comments with the instructions emitted
3261 by an insn pattern if macros are used.
3263 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3265 PR rtl-optimization/26026
3266 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3267 is a known power of two shifted left a variable amount.
3269 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3271 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3272 to hash table twice when the debug_str section has SECTION_MERGE.
3274 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3276 * config/soft-fp: New directory. From glibc.
3277 * config/soft-fp/t-softfp: New.
3278 * config/soft-fp/README: New.
3279 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3280 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3281 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3282 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3283 * config.gcc: Use rs6000/t-fprules-fpbit or
3284 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3286 * config/rs6000/sfp-machine.h: New. Based on glibc.
3287 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3289 * config/rs6000/t-fprules: Remove fp-bit rules.
3290 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3291 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3292 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3293 (softfp_wrap_start, softfp_wrap_end): New.
3295 2006-04-18 DJ Delorie <dj@redhat.com>
3297 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3299 2006-04-18 Devang Patel <dpatel@apple.com>
3301 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3303 2006-04-18 Nick Clifton <nickc@redhat.com>
3305 * config/sh/t-symbian: Add rule to build sh-c.o
3306 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3307 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3308 (sh_symbian_encode_section_info): Likewise.
3310 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3312 * builtins.c (expand_builtin_strcmp): Cover label definition of
3313 do_libcall with HAVE_cmpstrnsi.
3315 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3317 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3319 * function.h (temp_slot_p): New.
3320 (function): Change the type of x_used_temp_slots to
3321 VEC(temp_slot_p,gc) *.
3323 2006-04-18 Nick Clifton <nickc@redhat.com>
3325 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3326 flag_strength_reduce.
3328 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3330 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3334 Partial revert of revision 112637
3335 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3336 Dale Johannesen <dalej@apple.com>
3339 * regclass.c (struct reg_pref): Update documentation.
3340 (regclass): Set prefclass to NO_REGS if memory is the best option.
3341 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3343 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3345 PR tree-optimization/26821
3346 * tree-ssa-math-opts.c (get_constant_one): New.
3347 (insert_reciprocals): Use it.
3349 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3351 * dwarf2out.c (free_AT): Delete.
3352 (remove_AT): Update string ref counts.
3353 (remove_child_TAG): Don't call free_die.
3355 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3356 or DW_TAG_GNU_EINCL.
3357 (prune_unused_types_walk_attribs): Reset string refcounts.
3358 (prune_unused_types_update_strings): New.
3359 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3360 call free_die. Do call prune_unused_types_update_strings.
3361 (prune_unused_types): Empty debug_str_hash.
3363 2006-04-17 Roger Sayle <roger@eyesopen.com>
3365 * expr.c (expand_assignment): Optimize away no-op moves where the
3366 source and destination are equal and have no side-effects.
3368 2006-04-17 Richard Guenther <rguenther@suse.de>
3371 * reload.c (push_reload): Guard calls to get_secondary_mem
3374 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3376 * alias.c (reg_base_value, old_reg_base_value): Change the
3377 type to VEC(rtx,gc) *.
3378 (REG_BASE_VALUE, find_base_value, record_set,
3379 init_alias_analysis): Use VEC instead of VARRAY.
3381 * alias.c (alias_sets): Change the type to
3382 VEC(alias_set_entry,gc) *.
3383 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3384 VEC instead of VARRAY.
3385 (last_alias_set): Remove.
3387 * cgraph.h (cgraph_edge_p): New.
3388 Update the prototype of cgraph_function_versioning.
3389 * cgraphunit.c (cgraph_copy_node_for_versioning,
3390 cgraph_function_versioning): Use VEC instead of VARRAY.
3391 * ipa-cp.c (ipcp_insert_stage): Likewise.
3393 2006-04-16 Roger Sayle <roger@eyesopen.com>
3396 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3397 "A op B" or "A op C", we may need to convert A to the type of B and C.
3399 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3401 * target.h (struct gcc_target): Add mode_rep_extended.
3402 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3403 (init_num_sign_bit_copies_in_rep): Initialize it using
3405 (truncate_to_mode): Use it.
3406 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3407 * targhooks.h (default_mode_rep_extended): Declare it.
3408 * targhooks.c (default_mode_rep_extended): Define it.
3409 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3410 default_mode_rep_extended.
3411 (TARGET_INITIALIZER): Include it.
3412 * doc/tm.texi (Misc): Document it.
3413 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3414 (mips_truncated_to_mode): New function.
3416 2006-04-16 Roger Sayle <roger@eyesopen.com>
3419 * expr.c (compress_float_constant): Copy the narrow constant into
3420 a new pseudo before extending it to its final width.
3422 2006-04-16 Roger Sayle <roger@eyesopen.com>
3423 Andrew Pinski <pinskia@gcc.gnu.org>
3424 Dale Johannesen <dalej@apple.com>
3427 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3428 special case code to implement V8HImode and V16QImode with SSE2.
3430 2006-04-15 Roger Sayle <roger@eyesopen.com>
3432 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3433 trees are constructed with a suitable tree type.
3435 2006-04-15 Roger Sayle <roger@eyesopen.com>
3437 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3438 (integer_onep): Likewise.
3439 (integer_all_onesp): Likewise.
3440 (integer_pow2p): Likewise.
3441 (integer_nonzerop): Likewise.
3442 (real_zerop): Likewise.
3443 (real_onep): Likewise.
3444 (real_twop): Likewise.
3445 (real_minus_onep): Likewise.
3446 (int_size_in_bytes): Likewise.
3447 (host_integerp): Likewise.
3449 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3451 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3452 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3453 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3455 * tree-ssa-structalias.h (alias_info): Remove num_references.
3457 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3459 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3460 (output_bvb patterns): Likewise.
3461 * pa.c (output_bb): Use 'bb' insn for long branch case.
3462 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3463 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3464 1. Correct length operand for alternatives 1 and 2.
3465 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3466 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3468 2006-04-14 Roger Sayle <roger@eyesopen.com>
3470 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3471 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3472 were accidentally reverted by r112959.
3474 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3477 * except.h (eh_region_outermost): New prototype.
3478 * except.c (eh_region_outermost): New function.
3479 * tree-cfg.c (find_outermost_region_in_block): Use it.
3481 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3483 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3485 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3486 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3487 (init_reload, reload): Use VEC instead of VARRAY.
3488 * reload.h: Update the prototype for
3489 reg_equiv_memory_loc_varray.
3491 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3492 Eric Botcazou <ebotcazou@libertysurf.fr>
3494 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3497 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3500 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3501 to expand fallback builtin function call.
3503 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3506 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3507 and emit libcall here in case the builtin fails.
3508 (expand_builtin_strcmp): Always emit the libcall here on failure.
3510 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3512 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3513 * flow.c (reg_n_info): Change the type to
3514 VEC(reg_info_p,heap) *.
3515 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3517 * regs.h (reg_info_p): New.
3518 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3519 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3520 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3523 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3525 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3527 * params.h (MAX_SCHED_READY_INSNS): New macro.
3528 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3529 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3530 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3531 the ready list for 1 cycle during the first scheduling pass.
3532 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3534 2006-04-13 Richard Henderson <rth@redhat.com>
3537 * gimple-low.c (lower_omp_directive): Remove dead code.
3538 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3539 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3540 * omp-low.c (struct omp_region): Move to tree-flow.h.
3541 (root_omp_region): Export.
3542 (omp_regions, lookup_omp_region): Remove.
3543 (determine_parallel_type): Update for struct omp_region changes.
3544 (dump_omp_region): Dump regions with block numbers.
3545 (new_omp_region): Take type and block instead of stmt; malloc
3547 (free_omp_region_1, free_omp_regions): New.
3548 (expand_parallel_call): Take entry_stmt as argument; update for
3549 changes to omp_region.
3550 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3551 (remove_exit_barriers): New.
3552 (expand_omp_parallel): Update for struct omp_region changes.
3553 (expand_omp_synch): Likewise.
3554 (expand_omp): Likewise.
3555 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3556 (expand_omp_for_static_chunk): Likewise.
3557 (expand_omp_for): Likewise.
3558 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3559 (expand_omp_sections): Similarly, with GOMP_sections_end.
3560 (expand_omp_single): New.
3561 (build_omp_regions_1): Update for OMP_CONTINUE.
3562 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3563 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3564 OMP_SECTIONS_SECTIONS.
3565 (lower_omp_single_simple): Don't emit barrier here.
3566 (lower_omp_single_copy): Likewise.
3567 (lower_omp_single): Fix bindings, and lower to straightline now.
3568 (lower_omp_master, lower_omp_ordered): Likewise.
3569 (lower_omp_critical): Likewise.
3570 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3571 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3572 omp edges, free it afterward.
3573 (make_omp_sections_edges): Remove.
3574 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3575 (move_stmt_r): Handle OMP_CONTINUE.
3576 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3577 statement pointers to basic blocks. Add type member.
3578 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3579 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3580 * tree-inline.c (estimate_num_insns_1): Likewise.
3581 * tree-pretty-print.c (dump_generic_node): Likewise.
3582 * tree-ssa-operands.c (get_expr_operands): Likewise.
3583 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3584 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3585 (OMP_CONTINUE): New.
3586 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3587 (OMP_SECTIONS_SECTIONS): Remove.
3588 (OMP_SECTION_LAST): New.
3589 (OMP_RETURN_NOWAIT): New.
3591 2006-04-13 Roger Sayle <roger@eyesopen.com>
3593 * fold-const.c (native_encode_vector, native_interpret_real):
3594 Correct obvious mistakes in the previous check-in.
3596 2006-04-13 Roger Sayle <roger@eyesopen.com>
3598 * fold-const.c (native_encode_expr): New function to encode
3599 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3600 or VECTOR_CST into a specified buffer.
3601 (native_encode_int): New function.
3602 (native_encode_real): New function.
3603 (native_encode_complex): New function.
3604 (native_encode_vector): New function.
3605 (native_interpret_expr): Inverse of native_encode_expr to convert
3606 a target representation into an INTEGER_CST, REAL_CST etc...
3607 (native_interpret_int): New function.
3608 (native_interpret_real): New function.
3609 (native_interpret_complex): New function.
3610 (native_interpret_vector): New function.
3611 (fold_view_convert_expr): New function to constant fold/evaluate
3612 a VIEW_CONVERT_EXPR of a suitable constant expression.
3613 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3614 Change call of build1 to fold_build1 when constructing a
3617 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3618 Ulrich Weigand <uweigand@de.ibm.com>
3621 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3624 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3627 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3628 optimize to lo_sum for DFmode if !TARGET_FPRS.
3630 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3632 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3633 delete_alias_info, compute_flow_sensitive_aliasing,
3634 group_aliases): Use VEC instead of VARRAY.
3635 * tree-ssa-structalias.c (update_alias_info): Likewise.
3636 * tree-ssa-structalias.h (alias_info): Change the type of
3637 processed_ptrs to VEC(tree,heap) *.
3639 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3642 * config/sh/lib1funcs.h: New file, broken out of:
3643 * config/sh/lib1funcs.asm.
3644 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3646 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3647 * config/sh/lib1funcs-Os-4-200.asm: New file.
3648 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3649 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3650 (EXTRA_MULTILIB_PARTS): Include it.
3651 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3652 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3653 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3654 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3657 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3659 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3660 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3661 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3663 * tree-ssa-live.h: Include vecprim.h.
3664 (tree_partition_associator_d): Change the type of
3665 first_partition to VEC(int,heap) *.
3666 (tpa_first_partition): Use VEC instead of VARRAY.
3668 * Makefile.in (GTFILES): Move functions.h after tree.h.
3669 * function.c (reset_block_changes, record_block_change,
3670 check_block_change, free_block_changes): Use VEC instead of
3672 * function.h (function): Change the type of
3673 ib_boundaries_block to VEC(tree,gc) *.
3674 * tree-inline.c (copy_cfg_body): Initialize
3675 ib_boundaries_block to NULL instead of (varray_type) 0.
3677 2006-04-12 Roger Sayle <roger@eyesopen.com>
3679 * expr.c (emit_group_store): Correct operand order in call to
3680 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3681 a SUBREG_BYTE of zero.
3683 2006-04-12 Richard Guenther <rguenther@suse.de>
3685 * profile.c (compute_branch_probabilities): Remove code
3686 encapsulated in !ir_type (), which are remanents of the
3687 removed RTL profiling code.
3688 * rtl-profile.c: Remove.
3690 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3692 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3693 magic NULL_RTX comment.
3694 (function_arg): Store entire fp arg to mem if any part should go
3696 (rs6000_arg_partial_bytes): Adjust for above change.
3698 2006-04-11 Roger Sayle <roger@eyesopen.com>
3700 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3701 if it hasn't been initialized by dwarf2out_init.
3703 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3705 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3706 symbolic constants in branch patterns.
3708 2006-04-11 Roger Sayle <roger@eyesopen.com>
3710 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3712 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3714 PR rtl-optimization/27073
3715 * gcse.c (try_replace_reg): Revert last change. Continue to search
3716 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3719 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3721 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3722 aggregate types other than record and union types.
3723 (function_arg): Likewise.
3724 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3726 (function_value): In 64-bit mode, return objects that require it
3729 2006-04-11 Roger Sayle <roger@eyesopen.com>
3731 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3733 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3735 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3737 2006-04-03 Jeff Law <law@redhat.com>
3740 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3741 alias information too.
3743 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3745 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3747 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3750 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3751 (premark_used_types_helper): New.
3752 (premark_used_types): New.
3753 (gen_subprogram_die): Call premark_used_types.
3754 (prune_unused_types_walk): Do not prune perennial dies.
3755 * function.c (used_types_insert): New.
3756 * function.h (struct function): Add used_types_hash field.
3757 (used_types_insert): Add prototype.
3758 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3759 * c-parser.c (c_parser_cast_expression): Save casted types in used
3762 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3765 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3766 rs6000_explicit_options.float_gprs.
3768 2006-04-10 Roger Sayle <roger@eyesopen.com>
3770 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3771 from ix86_expand_vector_init_low_nonzero. Take an additional
3772 one_var argument indicating which element is non-zero. Support
3773 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3774 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3775 with one_var instead of ix86_expand_vector_init_low_nonzero.
3777 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3779 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3780 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3781 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3782 build/genextract.o): Depend on vecprim.h.
3783 * cfglayout.c, df-problems.c, function.c, genextract.c,
3784 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3785 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3789 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3791 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3792 Declare VECs of this type.
3793 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3794 (remove_children): Delete.
3795 (add_dwarf_attr): Use VEC routines.
3796 (add_AT_flag): Update for changes to add_dwarf_attr.
3797 (add_AT_int): Likewise.
3798 (add_AT_unsigned): Likewise.
3799 (add_AT_long_long): Likewise.
3800 (add_AT_vec): Likewise.
3801 (add_AT_string): Likewise.
3802 (add_AT_die_ref): Likewise.
3803 (add_AT_fde_ref): Likewise.
3804 (add_AT_loc): Likewise.
3805 (add_AT_loc_list): Likewise.
3806 (add_AT_addr): Likewise.
3807 (add_AT_lbl_id): Likewise.
3808 (add_AT_lineptr): Likewise.
3809 (add_AT_macptr): Likewise.
3810 (add_AT_offset): Likewise.
3811 (add_AT_range_list): Likewise.
3812 (get_AT): Use VEC_iterate.
3813 (remove_AT): Use VEC_ordered_remove.
3814 (free_die): Fold remove_children into here; have it use VEC_iterate.
3815 (print_die): Use VEC_iterate on attrs.
3816 (reverse_die_lists): Don't reverse attr lists.
3817 (die_checksum): Use VEC_iterate on attrs.
3818 (same_die_p): Likewise.
3819 (output_location_lists): Likewise.
3820 (build_abbrev_table): Likewise.
3821 (size_of_die): Likewise.
3822 (unmark_all_dies): Likewise.
3823 (output_abbrev_section): Likewise.
3824 (output_die): Likewise.
3825 (prune_unused_types_walk_attribs): Likewise.
3827 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3829 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3831 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3834 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3836 2006-04-09 Roger Sayle <roger@eyesopen.com>
3838 * expr.c (store_constructor): Don't bother clearing target if
3839 we're about to assign a vector to it using vec_init_optab.
3841 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3843 * tree-ssa-alias.c (lhs_may_store_to): New function.
3844 (recalculate_used_alone): Handle LHS of calls.
3846 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3850 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3851 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3852 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3853 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3854 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3855 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3856 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3857 stubs. Add ".align 8" directives before all ".dword" directives.
3858 (GTHREAD_USE_WEAK): Revise comment.
3859 (TARGET_ATTRIBUTE_WEAK): Define.
3860 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3861 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3862 * stublib.c: New file.
3867 * pa.md (cbranch patterns): Revise arguments used in calls to
3868 output_cbranch, output_bb and output_bvd. Add long branch length
3870 (fbranch patterns): Handle long branches.
3871 (jump): Revise length check. Revise arguments for output_lbranch call.
3872 Add long branch length attributes.
3873 (decrement_and_branch_until_zero): Add long branch length attributes.
3874 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3875 Likewise. Revise arguments for output_parallel_addb and
3876 output_parallel_movb calls.
3877 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3878 output_parallel_movb and output_parallel_addb): Update prototypes.
3879 * pa.c (output_cbranch): Revise arguments. Correct handling of
3880 nullification in long branches.
3881 (output_lbranch): Add new argument to control extraction of delay
3883 (output_bb): Handle long branches.
3884 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3885 output_parallel_addb): Likewise.
3887 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3889 PR rtl-optimization/27073
3890 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3893 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3895 * tree.h (tree_memory_tag): Add old_used_alone.
3896 (SMT_OLD_USED_ALONE): New macro.
3897 * tree-ssa-alias.c (recalculate_used_alone): Stop
3898 marking things for renaming unnecessarily.
3900 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3902 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3903 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3904 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3905 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3906 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3907 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3908 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3909 spelling convensions.
3910 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3911 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3912 typos. Follow spelling conventions.
3914 2006-04-07 DJ Delorie <dj@redhat.com>
3916 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3917 passed on the stack.
3918 (m32c_init_cumulative_args): When a function returns a structure,
3919 always pass the pointer to that return area on the stack.
3920 (m32c_function_arg_advance): Don't increment the parameter number
3921 if we're processing the returned structure pointer.
3922 (pushm_info): Reverse order of registers.
3924 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3926 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3927 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3928 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3929 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3931 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3932 chrec_fold_multiply): Same.
3933 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3934 force_expr_to_var_cost): Same.
3935 * tree-mudflap.c (mf_xform_derefs_1): Same.
3936 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3938 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3940 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3941 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3944 2006-04-07 Jan Hubicka <jh@suse.cz>
3946 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3948 2006-04-07 Richard Guenther <rguenther@suse.de>
3950 PR tree-optimization/26135
3951 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3952 loads for store copy-prop.
3953 (copy_prop_visit_stmt): Likewise.
3955 2006-04-05 Robert Millan <robertmh@gnu.org>
3957 * config/i386/linux.h: Add a comment to mark macros that are
3958 being overriden in config/k*bsd-gnu.h.
3959 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3961 * config/knetbsd-gnu.h: Ditto.
3963 2006-04-06 Jan Hubicka <jh@suse.cz>
3967 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3970 2006-04-06 Mike Stump <mrs@apple.com>
3972 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3973 for HAVE_nonlocal_goto to be consistent.
3974 (expand_builtin_nonlocal_goto): Likewise.
3975 (expand_builtin_strcmp): Use #ifdef instead of #if
3976 for HAVE_cmpstrnsi to be consistent.
3978 2006-04-05 DJ Delorie <dj@redhat.com>
3980 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3983 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3985 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3986 got-relative addressing for anything but SImode.
3988 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3989 even if the calling function doesn't modify them.
3991 2006-04-05 Richard Guenther <rguenther@suse.de>
3993 PR tree-optimization/26919
3994 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3995 to cgraph_estimate_size_after_inlining.
3997 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3999 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4001 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4003 PR tree-optimization/26996
4004 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4005 VECTOR_TYPE variables.
4007 2006-04-05 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/26763
4010 * fold-const.c (fold_comparison): Move folding of
4011 PTR + CST CMP PTR + CST ...
4012 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4014 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4016 * doc/install.texi (Prerequisites): Refine some wording on
4017 bootstrapping and ksh.
4018 Move the version numbers of DejaGnu here from the testing section
4019 and fix casing of names.
4020 Fix markup and clarify wording for autogen requirements.
4021 Refer to GCJ instead of just java.
4022 Refer to SVN instead of CVS.
4023 Describe diffutils as useful instead of necessary.
4024 (Downloading the source): Refer to SVN instead of CVS.
4025 Adjust a link to our web site accordingly.
4026 (Configuration): Fix casing of Bison.
4027 (Building): Refer to SVN instead of CVS.
4028 Fix a sentence on the use of Bison and remove duplicate (and
4029 incorrect) version number of Bison requirement.
4030 Remove one redundant list of packages needed for building.
4031 (Specific): Avoid reference to CVS.
4033 2006-04-04 Eric Christopher <echristo@apple.com>
4035 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4036 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4037 (rs6000_handle_struct_attribute): New.
4038 (rs6000_ms_bitfield_layout_p): Ditto.
4040 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4042 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4043 NULL for dso parameter to atexit_common.
4045 2006-04-04 Eric Christopher <echristo@apple.com>
4047 * config/i386/i386.c (machopic_output_stub): Output \t
4048 between instructions and operands.
4050 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4052 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4053 satisfies_constraint_[IL] to explicit tests on value.
4055 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4057 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4058 set_nb_iterations_in_loop): Use build_int_cst instead of
4060 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4061 build_int_cst instead of convert.
4063 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4065 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4066 new value 2 for incoming.
4067 * function.c (expand_function_start): Call struct_value_rtx
4069 * config/sparc/sparc.md: Comment updated_return.
4070 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4071 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4072 struct return if sparc_std_struct_return and incoming is 2.
4073 (print_operand): Do not adjust return if
4074 sparc_std_struct_return.
4076 2006-04-04 Roger Sayle <roger@eyesopen.com>
4078 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4079 convert in the middle-end.
4080 * expr.c (store_expr, store_constructor, get_inner_reference,
4081 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4083 * tree.c (build_range_type): Likewise.
4085 2006-04-04 Tom Tromey <tromey@redhat.com>
4087 * doc/install.texi (Prerequisites): Mention jar.
4089 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4091 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4094 2006-04-04 Matthias Klose <doko@debian.org>
4096 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4097 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4100 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4102 * doc/extend.texi (Function Attributes): Rewrite visibility
4103 attribute documentation.
4104 * doc/invoke.texi (C++ Dialect Options): Rewrite
4105 -fvisibility-inlines-hidden documentation to describe something
4106 entirely different, although in practise compatible.
4107 (Code Gen Options): Warn about system headers in -fvisibility=
4110 * doc/extend.texi (Other Builtins): Document that
4111 __builtin_nan is a compile-time constant only when its argument
4114 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4116 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4117 trying to remove TRUNCATE check if all bits outside the new mode
4118 are identical to the sign bit.
4120 2006-04-03 Jeff Law <law@redhat.com>
4122 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4123 and operand scanning in some common cases.
4125 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4126 Dale Johannesen <dalej@apple.com>
4129 * regclass.c (struct reg_pref): Update documentation.
4130 (regclass): Set prefclass to NO_REGS if memory is the best option.
4131 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4132 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4133 into account. For non-registers, equate an empty preferred
4134 reload class to a `!' in the constraint; move the if clause to
4135 do so after those that reject the insn.
4136 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4138 (find_dummy_reload): Likewise.
4139 * doc/tm.texi (Register Classes): Document what it means
4140 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4141 * config/i386/i386.c (ix86_preferred_reload_class): Force
4142 using SSE registers (and return NO_REGS for floating-point
4143 constants) if math is done with SSE.
4144 (ix86_preferred_output_reload_class): New.
4145 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4146 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4147 * config/i386/i386.md: Remove # register preferences.
4149 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4152 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4153 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4154 the type of nb_iter.
4155 (instantiate_parameters_1): Convert the operands before calling
4156 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4157 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4159 2006-04-02 Roger Sayle <roger@eyesopen.com>
4161 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4162 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4164 * dojump.c (do_jump): Likewise.
4165 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4166 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4167 gimplify_boolean_expr): Likewise.
4168 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4169 * varasm.c (array_size_for_constructor): Likewise.
4170 * tree-object-size.c (compute_object_offset): Likewise.
4172 2006-04-02 Roger Sayle <roger@eyesopen.com>
4175 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4176 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4178 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4180 PR tree-optimization/26939
4181 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4183 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4185 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4186 at_stmt. Convert the type of operands before calling
4187 build_polynomial_chrec.
4188 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4190 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4191 (instantiate_parameters_1): Convert the type of operands before calling
4192 build_polynomial_chrec.
4193 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4194 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4195 reset_evolution_in_loop): Insert asserts to check the types of the
4197 (chrec_type): Moved...
4198 (eq_evolutions_p): Use operand_equal_p.
4199 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4200 the types of the operands.
4201 (chrec_type): ...here.
4202 * tree-data-ref.c (create_data_ref): Convert the operands before
4203 calling chrec_replace_initial_condition.
4204 (same_access_functions, analyze_subscript_affine_affine,
4205 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4206 (compute_subscript_distance, analyze_ziv_subscript,
4207 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4208 analyze_miv_subscript): Convert the operands before calling
4209 chrec_fold_minus or chrec_fold_plus.
4211 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4213 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4214 the dependence_relations vector.
4215 (compute_data_dependences_for_loop): Adjust call to
4216 compute_all_dependences.
4218 2006-04-01 Roger Sayle <roger@eyesopen.com>
4219 Richard Henderson <rth@redhat.com>
4221 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4222 gimple_boolify on the condition before calling gimplify_expr.
4224 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4226 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4227 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4228 the frame size. Update to use the new macros.
4229 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4230 * config/xtensa/ieee754-df.S: Likewise.
4232 2006-03-31 Richard Henderson <rth@redhat.com>
4234 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4235 (make_edges): ... here. Control fallthru creation with a local
4236 variable. Do not play with fake edges.
4237 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4238 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4241 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4243 * dwarf2.h (DW64_CIE_ID): Define.
4244 * dwarf2out.c (DWARF_CIE_ID): Define.
4245 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4246 length header. Use DWARF_CIE_ID.
4247 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4248 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4250 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4252 * config/sh/linux-atomic.asm: New file.
4253 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4255 2006-03-31 DJ Delorie <dj@redhat.com>
4257 * config/m32c/cond.md: Set condition flags properly throughout.
4258 * config/m32c/minmax.md: Likewise.
4259 * config/m32c/prologue.md: Likewise.
4260 * config/m32c/bitops.md: Likewise.
4261 * config/m32c/muldiv.md: Likewise.
4262 * config/m32c/mov.md: Likewise.
4263 * config/m32c/addsub.md: Likewise.
4264 * config/m32c/m32c.md: Likewise.
4265 * config/m32c/jump.md: Likewise.
4266 * config/m32c/shift.md: Likewise.
4268 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4269 conditionally output the pattern for this.
4270 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4271 (m32c_compare_redundant): New.
4272 (m32c_output_compare): New.
4273 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4275 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4276 dest, not src. Allow other 4-byte modes.
4278 2006-03-30 Denis Chertykov <denisc@overta.ru>
4280 * doc/md.texi: Refer to avr/constraints.md instead of
4283 2006-03-30 Roger Sayle <roger@eyesopen.com>
4285 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4286 signed vs. unsigned comparison failures on some hosts.
4288 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4291 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4292 change to FLOAT_REGS.
4294 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4295 (rs6000_override_options): Use it.
4296 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4297 only for -mabi=spe/no-spe and -mabi=altivec.
4299 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4301 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4304 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4306 * Makefile.in: Rename docdir to gcc_docdir.
4308 2006-03-30 Roger Sayle <roger@eyesopen.com>
4311 * expr.c (emit_group_store): Optimize group stores into a pseudo
4312 register by using a paradoxical subreg to initialize the destination
4313 if the first or last member of the group specifies a "low part".
4315 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4318 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4319 * target.h (struct gcc_target.speculate_insn): Change type of the
4320 second parameter to 'int'.
4321 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4322 the second operand of the DEPS_LIST.
4323 (copy_DEPS_LIST_list): Update reference to the second operand of the
4325 * rtl.h (alloc_DEPS_LIST): Update signature.
4326 * sched-int.h (ds_t): Change typedef to 'int'.
4327 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4329 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4331 * haifa-sched.c (try_ready): Change condition to restore
4332 non-speculative pattern of the instruction.
4333 (process_insn_depend_be_in_spec): Code to keep probability of the
4334 speculative dependence non-decreasing.
4336 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4338 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4339 (single_move_for_movmem): ... this. Also change all uses.
4340 (bfin_expand_strmov): Renamed to...
4341 (bfin_expand_movmem): ... this. Also change all uses.
4342 * config/bfin/bfin.md (movstrsi): Renamed to...
4343 (movstrsi): ...this.
4345 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4347 PR tree-optimization/26830
4349 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4350 (copy_prop_visit_stmt): Remove write-only variable ann.
4351 (init_copy_prop): Check variable loop depth here. Do not simulate
4352 memory-tag and virtual operand PHIs except for store copy prop.
4354 2006-03-30 Richard Guenther <rguenther@suse.de>
4356 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4357 variants with double arguments.
4359 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4361 * genpreds.c (write_tm_constrs_h): Delete variable p.
4362 * genconditions.c (write_header): Add tm-constrs.h to included
4364 * genpeep.c (main): Add toplev.h to included headers.
4365 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4366 (build/genpeep.o): Add toplev.h dependency.
4367 * config/rs6000/constraints.md: Add "W" constraint.
4369 2006-03-29 Roger Sayle <roger@eyesopen.com>
4371 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4372 sizes by correctly testing whether the size fits a host integer.
4373 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4374 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4375 SImode range for the default sizetype and bitsizetype.
4377 2006-03-29 Roger Sayle <roger@eyesopen.com>
4379 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4380 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4381 quickly if the argument is already of the correct type.
4382 Call fold_build1 instead of build1. Tidy up blank lines.
4384 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4386 * genemit.c (main): Add tm-constrs.h to included headers.
4387 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4388 * genpeep.c (main): Add tm-constrs.h to included headers.
4389 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4390 (write_tm_constrs_h): this and write complete file.
4391 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4392 (write_insn_preds_c): Add tm-constrs.h to included headers.
4393 (gen_constrs): New variable.
4394 (parse_option): Parse "-c".
4395 (main): Invoke write_tm_constrs_h.
4396 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4397 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4398 (object_out_file): Add tm-constrs.h dependency.
4399 (insn-emit.o): Same.
4400 (insn-output.o): Same.
4401 (insn-peep.o): Same.
4402 (insn-preds.o): Same.
4403 (insn-recog.o): Same.
4404 (tm-constsr.h): New target.
4405 (s-constrs-h): New target.
4407 * config/rs6000/constraints.md: New file.
4408 * config/rs6000/rs6000.c: Include tm-constrs.h.
4409 (num_insn_constant_wide): Convert to satisfies_constraint.
4410 (rs6000_rtx_costs): Convert to satisfies_constraint.
4411 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4412 (CONST_OK_FOR_LETTER_P): Delete.
4413 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4414 (EXTRA_CONSTRAINT): Delete.
4415 (EXTRA_MEMORY_CONSTRAINT): Delete.
4416 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4417 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4418 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4419 satisfies_constraint.
4421 * config/i386/i386.c: Include tm-constrs.h.
4423 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4425 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4426 * tree-data-ref.c (find_data_references_in_loop,
4427 compute_data_dependences_for_loop): Use pointers to VEC.
4428 (analyze_all_data_dependences): Adjust calls.
4429 * tree-data-ref.h (find_data_references_in_loop,
4430 compute_data_dependences_for_loop): Adjust declarations.
4431 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4432 compute_data_dependences_for_loop.
4434 2006-03-29 Paul Brook <paul@codesourcery.com>
4436 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4439 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4441 PR tree-optimization/26859
4442 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4444 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4445 for the step after fold_convert.
4447 2006-03-29 Paul Brook <paul@codesourcery.com>
4449 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4450 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4452 2006-03-29 Paul Brook <paul@codesourcery.com>
4455 * targhooks.c (default_narrow_bitfield): New fuction.
4456 * targhooks.h (default_narrow_bitfield): add prototype.
4457 * target.h (gcc_target): Add narrow_volatile_bitfield.
4458 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4459 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4460 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4461 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4463 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4465 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4467 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4468 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4469 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4470 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4471 (s390_function_arg_float): Allow SDmode and DDmode values to be
4472 passed in floating point registers.
4473 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4474 check with SCALAR_FLOAT_MODE_P.
4475 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4477 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4479 PR tree-optimization/25985
4480 * tree-ssa-loop-niter.c (number_of_iterations_le,
4481 number_of_iterations_ne): Make comments more precise.
4482 (number_of_iterations_cond): Add only_exit argument. Use the
4483 fact that signed variables do not overflow only when only_exit
4485 (loop_only_exit_p): New.
4486 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4487 number_of_iterations_cond.
4489 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4491 PR tree-optimization/26643
4492 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4495 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4497 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4498 (divsi3_i4_int): Likewise.
4500 2006-03-28 Roger Sayle <roger@eyesopen.com>
4502 * expr.c (emit_group_store): Only create a new pseudo reg if the
4503 quantity it needs to hold isn't already a suitable pseudo.
4505 2006-03-28 Jeff Law <law@redhat.com>
4507 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4508 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4510 2006-03-28 Roger Sayle <roger@eyesopen.com>
4512 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4513 the equivalent ~X & Y, and the symmetry related transformations.
4514 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4515 ~X & Y, and symmetry related transforms.
4517 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4519 Revert my 2006-03-27 patches.
4521 2006-03-28 Roger Sayle <roger@eyesopen.com>
4523 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4524 ~(T1)X, when T1 and T2 are integer types of the same precision
4525 and (T2)X isn't an extension.
4527 2006-03-28 Jeff Law <law@redhat.com>
4529 PR tree-optimization/26796
4530 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4531 need EH edge cleanups rather than purging them immediately.
4532 (eliminate_degenerate_phis): Handle queued EH cleanups.
4534 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4536 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4539 2006-03-27 Roger Sayle <roger@eyesopen.com>
4542 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4543 cast BIT_NOT_EXPR operand to the correct type.
4545 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4547 * tree-loop-linear.c: Don't include varray.h.
4548 (gather_interchange_stats, try_interchange_loops,
4549 linear_transform_loops): Use VEC instead of VARRAY.
4550 * lambda-mat.c: Don't include varray.h.
4551 * tree-chrec.c: Same.
4552 * lambda-trans.c: Same.
4553 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4554 VEC instead of VARRAY.
4555 * tree-vectorizer.h: Idem.
4556 * tree-data-ref.c (dump_data_references,
4557 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4558 initialize_data_dependence_relation, finalize_ddr_dependent,
4559 compute_all_dependences, find_data_references_in_loop,
4560 compute_data_dependences_for_loop, analyze_all_data_dependences,
4561 free_dependence_relation, free_dependence_relations,
4562 free_data_refs): Idem.
4563 * tree-data-ref.h (data_reference_p, subscript_p): New.
4564 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4565 VEC instead of VARRAY.
4566 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4567 (find_data_references_in_loop, compute_data_dependences_for_loop,
4568 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4569 dump_data_dependence_relations, free_dependence_relations,
4570 free_data_refs): Adjust declaration.
4571 (lambda_transform_legal_p): Move declaration here...
4572 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4573 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4574 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4575 vect_analyze_data_refs): Use VEC instead of VARRAY.
4576 * lambda.h (lambda_transform_legal_p): ...from here.
4577 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4578 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4579 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4580 tree-chrec.o): Don't depend on VARRAY_H.
4582 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4584 * rtl.def (Copyright): Update date.
4585 (DEPS_LIST): Change type of the second operand to 'int'.
4586 * target.h (Copyright): Update date.
4587 (struct gcc_target.speculate_insn): Change type of the second parameter
4589 * lists.c (Copyright): Update date.
4590 (alloc_DEPS_LIST): Change signature. Update reference to the second
4591 operand of the DEPS_LIST.
4592 (copy_DEPS_LIST_list): Update reference to the second operand of the
4594 * rtl.h (Copyright): Update date.
4595 (alloc_DEPS_LIST): Update signature.
4596 * sched-int.h (Copyright): Update date.
4597 (ds_t): Change typedef to 'int'.
4598 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4600 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4602 * haifa-sched.c (Copyright): Update date.
4603 (try_ready): Change condition to restore non-speculative pattern
4605 (process_insn_depend_be_in_spec): Code to keep probability of the
4606 speculative dependence non-decreasing.
4608 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4610 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4611 shut up the compiler.
4613 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4615 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4616 to use lib prefix for target.
4617 ($(T)libic_invalidate_array_4-200.a): Likewise.
4618 ($(T)libic_invalidate_array_4a.a): Likewise.
4620 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4621 J"orn Rennecke <joern.rennecke@st.com>
4623 * superh.opt: New file.
4624 * sh.c (boardtype, osruntime): Remove.
4625 * superh.h (SUBTARGET_OPTIONS): Remove.
4626 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4628 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4629 arguments with ^ and/or [].
4631 * config.gcc (sh-*-*): Add quoting to account for quirk of
4633 Replace == with = in enable_incomplete_targets test.
4635 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4636 with MASK_LITTLE_ENDIAN.
4638 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4639 * config/sh/sh.opt: Added to some comments.
4640 * config/sh/superh.h: Removed some chaff.
4642 * config/sh/sh.opt: Add m4-[1234]00* options.
4643 * config/sh/sh.c (sh_handle_option): Likewise.
4644 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4645 (ic_invalidate_array_4-100.o): New rule.
4646 ($(T)libic_invalidate_array_4-100.a): Likewise.
4647 (ic_invalidate_array_4-200.o): Likewise.
4648 ($(T)libic_invalidate_array_4-200.a): Likewise.
4649 (ic_invalidate_array_4a.o): Likewise.
4650 ($(T)libic_invalidate_array_4a.a): Likewise.
4651 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4652 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4654 * config/sh/crt1.asm: Merged in profiling code.
4655 * config/sh/superh.h (STARTFILE_SPEC): Override.
4656 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4657 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4658 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4660 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4661 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4662 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4664 * sh.opt (mpretend-cmove): New option.
4665 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4666 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4667 (movsicc): Add TARGET_PRETEND_CMOVE code.
4669 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4671 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4672 s390_class_max_nregs): New function prototypes.
4673 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4674 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4675 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4676 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4678 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4680 * dwarf2out.c (add_location_or_const_value_attribute): Call
4681 tree_add_const_value_attribute if nothing else works.
4682 (reference_to_unused): New.
4683 (rtl_for_decl_init): Use reference_to_unused to decide whether
4684 to output an initializer.
4686 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4689 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4690 peephole removing spe frob_di_df_2.
4692 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4694 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4695 (subscript_dependence_tester_1): Declared.
4696 (print_dir_vectors, print_dist_vectors): New.
4697 (debug_data_dependence_relation): New.
4698 (dump_data_dependence_relation): Print more details.
4699 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4700 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4701 (save_dist_v, save_dir_v, add_outer_distances,
4702 build_classic_dist_vector_1): New.
4703 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4704 Don't test for lambda_vector_lexico_pos.
4705 (same_access_functions, add_multivariate_self_dist,
4706 add_other_self_distances, dir_from_dist): New.
4707 (build_classic_dir_vector): Replace implementation almost identical to
4708 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4710 (subscript_dependence_tester_1): New.
4711 (subscript_dependence_tester): Handle the lexicographically negative
4712 distance vectors by recomputing the dependence relation.
4713 (compute_affine_dependence): Remove parameter loop_nest_depth.
4714 (compute_self_dependence): Don't call compute_subscript_distance.
4715 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4716 Add a parameter for the loop_nest.
4717 (find_loop_nest_1, find_loop_nest): New.
4718 (compute_data_dependences_for_loop): Compute the loop nest, and give
4719 up if the nest is not well formed.
4720 * tree-data-ref.h (loop_p): New.
4721 (struct data_dependence_relation): Replace size_vect field with
4722 loop_nest, a vec of loops.
4723 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4724 (DDR_LOOP_NEST): New.
4725 (print_dir_vectors, print_dist_vectors,
4726 debug_data_dependence_relation): Declared.
4727 (index_in_loop_nest): New.
4728 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4729 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4732 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4734 * simplify-rtx.c (simplify_relational_operation): Call
4735 simplify_relational_operation_1 even if mode is VOIDmode.
4737 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4739 PR tree-optimization/26804
4740 * tree.h (DECL_CALL_CLOBBERED): New macro.
4741 (tree_decl_common): Add call_clobbered_flag.
4742 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4743 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4744 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4745 (mark_non_addressable): Ditto.
4746 * tree-ssa.c (verify_call_clobbered): New function.
4747 (verify_alias_info): Use it.
4748 * tree-pass.h (pass_reset_cc_flags): New prototype.
4749 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4750 (reset_cc_flags): New function.
4751 * passes.c (init_optimization_passes): Call reset_cc_flags after
4752 initializing referenced_vars.
4754 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4755 Roger Sayle <roger@eyesopen.com>
4758 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4759 to 1.0 for non-real operands. Implement A / A optimization for
4762 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4764 * config/i386/i386.c (size_cost): Correct the comment for
4765 cost of storing fp registers.
4766 (i386_cost): Likewise.
4767 (i486_cost): Likewise.
4768 (pentium_cost): Likewise.
4769 (pentiumpro_cost): Likewise.
4770 (k6_cost): Likewise.
4771 (athlon_cost): Likewise.
4772 (k8_cost): Likewise.
4773 (pentium4_cost): Likewise.
4774 (nocona_cost): Likewise.
4775 (generic64_cost): Likewise.
4776 (generic32_cost): Likewise.
4778 2006-03-24 Denis Chertykov <denisc@overta.ru>
4780 * config/avr/avr-protos.h (extra_constraint): Delete.
4781 (extra_constraint_Q): New declaration.
4782 * config/avr/constraints.md: New file.
4783 * config/avr/avr.md: Include it.
4784 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4785 (TMP_REGNO, ZERO_REGNO): Likewise.
4786 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4787 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4788 (extra_constraint): Delete.
4789 (extra_constraint_Q): Test for memory constraint 'Q'.
4790 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4791 (REG_CLASS_FROM_LETTER): Delete.
4792 (CONST_OK_FOR_LETTER_P): Delete.
4793 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4794 (EXTRA_CONSTRAINT): Delete.
4795 (TMP_REGNO): Delete.
4796 (ZERO_REGNO): Delete.
4798 2006-03-24 Jeff Law <law@redhat.com>
4800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4801 directly. Call mark_new_vars_to_rename slightly earlier.
4803 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4805 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4807 (gen_compile_unit_die): Use new language types for Objective-C and
4809 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4810 DW_LANG_C_plus_plus.
4813 * config/t-darwin (crt3.o): Work around bug 26840.
4814 * config/darwin-crt3.c: Rewrite.
4815 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4817 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4819 * doc/invoke.texi: Document -femit-class-debug-always
4820 * common.opt: Add -femit-class-debug-always.
4822 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4824 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4825 index and base register.
4826 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4827 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4828 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4829 REGNO_OK_FOR_INDEX_P.
4830 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4832 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4833 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4834 REG_OK_FOR_BASE_P): Definitions removed.
4836 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4839 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4840 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4841 set yet or weren't marked as local yet.
4843 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4845 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4848 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4850 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4851 (rs6000_legitimate_small_data_p): Delete.
4852 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4853 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4854 and make static. Add forward declaration. Update uses.
4855 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4856 of offsettable_memref_p.
4857 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4858 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4860 2006-03-24 Jeff Law <law@redhat.com>
4862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4863 around bug in immediate-use iterator.
4865 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4868 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4869 or __LITTLE_ENDIAN__.
4871 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4873 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4874 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4875 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4876 * config/sh/sh.opt (mdiv=): Amend description.
4877 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4878 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4879 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4880 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4881 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4882 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4883 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4884 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4885 TARGET_DIVIDE_CALL_FP.
4887 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4889 * haifa-sched.c (choose_ready): Fix type of the local variable.
4890 Move local variables. Add comment.
4891 (check_reg_live): Change signature. Make callable from debugger.
4892 * sched-int.h (check_reg_live): Update signature.
4893 * sched-ebb.c (check_reg_live): Update parameters.
4894 * sched-rgn.c (check_reg_live): Ditto.
4895 (region_head_or_leaf_p): Check pointer before dereferencing.
4896 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4897 before reload on optimization levels below 1.
4899 2006-03-23 Richard Henderson <rth@redhat.com>
4901 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4905 * config/alpha/predicates.md (local_symbolic_operand): Reject
4908 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4911 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4912 expressions which have overflowed constants.
4914 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4916 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4918 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4920 * cfgloopmanip.c (create_loop_notes): Removed.
4921 * final.c (final_scan_insn): Do not handle loop notes.
4922 * jump.c (squeeze_notes): Ditto.
4923 * cfglayout.c (skip_insns_after_block,
4924 duplicate_insn_chain): Ditto.
4925 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4927 * cfgloop.h (create_loop_notes): Declaration removed.
4929 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4931 * varasm.c (output_constant_pool): Restore fnname and fndecl
4933 (assemble_start_function): Adjust call accordingly.
4934 (assemble_end_function): Likewise.
4936 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4939 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4942 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4944 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4947 * system.h (ICE_EXIT_CODE): New macro.
4948 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4949 (diagnostic_action_after_output): Likewise.
4950 * gcc.c (fatal_ice): New function.
4951 (execute): Use it instead of fatal.
4952 (fancy_abort): Likewise.
4953 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4955 2006-03-22 Jeff Law <law@redhat.com>
4957 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4958 iv_analyze_result returning false.
4960 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4962 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4964 2006-03-22 Richard Henderson <rth@redhat.com>
4967 * except.c (duplicate_eh_regions_0): New.
4968 (duplicate_eh_region_1): Duplicate the children of the node as
4969 well as the node itself. Link them up properly.
4970 (duplicate_eh_region_2): Merge into ...
4971 (duplicate_eh_regions): ... here. Take copy_region argument, and
4972 copy only a sub-tree if asked. Simplify copying and fixup.
4973 (eh_region_outer_p): New.
4974 * except.h (duplicate_eh_regions): Update decl.
4975 (eh_region_outer_p): Declare.
4976 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4977 (lower_omp_master): Likewise.
4978 (lower_omp_ordered): Likewise.
4979 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4980 (move_stmt_r): Use it to remap labels. Handle recursion vs
4981 remap_decls_p properly.
4982 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4983 (find_outermost_region_in_block): New.
4984 (new_label_mapper): New.
4985 (move_sese_region_to_fn): Copy eh information to the new function
4987 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4989 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4992 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4994 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4995 into shared libraries.
4997 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4999 * doc/md.texi: Refer to i386/constraints.md instead of
5001 * config/i386/constraints.md: New file, extracted from...
5002 * config/i386/predicates.md: ...here.
5003 * config/i386/i386.md: Include constraints.md.
5005 2006-03-21 Jason Merrill <jason@redhat.com>
5007 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5010 * expr.c (init_block_move_fn): Force default visibility.
5011 (init_block_clear_fn): Likewise.
5012 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5013 * targhooks.c (default_external_stack_protect_fail): Likewise.
5015 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5017 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5018 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5019 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5020 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5021 (loadgp): Use mips_current_loadgp_style.
5022 (loadgp_noshared): New pattern.
5023 (sibcall_internal): Use MIPS_CALL.
5024 (sibcall_value_internal): Likewise.
5025 (sibcall_value_multiple_internal): Likewise.
5026 (call_internal): Likewise.
5027 (call_value_internal): Likewise.
5028 (call_value_multiple_internal): Likewise.
5029 (call_split): Use MIPS_CALL and add an 'S' constraint.
5030 (call_value_split): Likewise.
5031 (call_value_multiple_split): Likewise.
5032 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5033 (-mshared): New option.
5034 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5035 (mips_current_loadgp_style): Declare.
5036 * config/mips/mips.c (mips_classify_symbol): Avoid using
5037 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5038 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5039 TARGET_ABSOLUTE_ABICALLS.
5040 (override_options): Adjust comments. Improve the warning that is
5041 issued when -mabicalls and -G are used together.
5042 (mips_file_start): Remove comment.
5043 (mips_current_loadgp_style): New function.
5044 (mips_gnu_local_gp): New variable.
5045 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5047 (mips_output_function_prologue): Use mips_current_laodgp_style.
5048 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5049 the cprestore instruction.
5050 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5051 live for TARGET_ABSOLUTE_ABICALLS.
5052 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5053 (ASM_SPEC): Pass down -mshared and -mno-shared.
5054 (MIPS_CALL): New macro.
5055 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5057 * doc/invoke.texi (-mabicalls): Update documentation.
5058 (-mshared): Document.
5060 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5062 * config/ia64/unwind-hpux.c: New file.
5063 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5065 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5068 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5070 2006-03-21 Jeff Law <law@redhat.com>
5072 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5073 type conversions of a VR_VARYING source to a wider type.
5075 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5077 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5078 tm_file on Solaris 10 and later.
5079 (sparc64-*-solaris2*): Likewise.
5080 (sparc-*-solaris2*): Likewise.
5081 * config/sol26.h: Rename to config/sol2-6.h.
5082 * config/sol2-10.h: New file.
5084 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5087 * tree-ssa-pre.c (create_component_ref_by_pieces):
5090 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5093 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5094 return it immediately.
5096 2006-03-21 Michael Matz <matz@suse.de>
5098 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5100 (remove_arc, add_arc): Update num_out_arcs member.
5101 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5103 (cache_presence): New function.
5104 (compare_states_for_equiv): New function.
5105 (state_is_differed): Don't take number of outargs, adjust callers.
5106 Use new invariant for speeding up.
5107 (init_equiv_class): Create initial classes based on sorted
5109 (partition_equiv_class): Don't track out_arcs_num.
5110 (evaluate_equiv_classes): Call cache_presence on all states and
5113 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5115 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5116 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5117 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5118 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5120 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5121 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5122 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5123 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5124 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5126 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5127 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5128 (REGNO_REG_CLASS): ARGP is in PREGS.
5129 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5131 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5132 to deal with those addresses.
5133 * addresses.h: New file.
5134 * caller-save.c: Include "addresses.h".
5135 (init_caller_save): Use new base_reg_class function.
5136 * rtl-factoring.c: Include "addresses.h".
5137 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5138 * recog.c: Include "addresses.h".
5139 (preprocess_constraints): Use new base_reg_class function.
5140 * regrename.c: Include "addresses.h".
5141 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5142 functions. Keep track of a new var INDEX_CODE to compute valid
5144 (replace_oldest_value_addr): Likewise.
5145 (replace_oldest_value_mem): Use base_reg_class.
5146 * reload.c: Include "addresses.h".
5147 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5148 (find_reloads): Use new base_reg_class function.
5149 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5150 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5151 all callers and prototype changed.
5152 * reload1.c: Include "addresses.h".
5153 (maybe_fix_stack_asms): Use base_reg_class.
5154 * regclass.c: Include "addresses.h".
5155 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5156 (init_reg_autoinc): Use new base_reg_class function.
5157 (record_reg_classes): Likewise.
5158 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5159 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5160 Use new args to compute necessary class.
5162 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5163 regrename.o, rtl-factoring.o): Update dependencies.
5164 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5165 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5166 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5167 REG_OK_FOR_INDEX_P): Delete documentation.
5169 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5171 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5172 from V7 to V9 for Solaris 7 and above.
5174 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5176 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5177 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5178 argument pointers may not alias any other storage.
5179 * common.opt: Define option -fargument-noalias-anything.
5180 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5181 alias semantics is specified by flag_argument_noalias > 2.
5183 2006-03-20 Jeff Law <law@redhat.com>
5185 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5186 (pass_phi_only_cprop): Declare.
5187 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5189 * tree-ssa-dom.c (degenerate_phi_result): New function.
5190 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5191 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5192 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5193 (eliminate_degenerate_phis): Likewise.
5194 (pass_phi_only_cprop): New pass descriptor.
5195 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5196 support code. Callers updated.
5197 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5198 (store_copy_prop): Likewise.
5199 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5201 2006-03-20 Jason Merrill <jason@redhat.com>
5204 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5205 (push_visibility, pop_visibility): Likewise.
5206 * c-pragma.h: Declare them.
5208 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5210 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5212 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5213 parameter and use get_ebb_head_tail.
5214 (sh_md_init_global): Adjust uses of find_regmode_weight.
5216 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5218 * function.h (struct function) <x_tail_recursion_reentry>:
5219 Rename to x_stack_check_probe_note.
5220 (tail_recursion_reentry): Rename to stack_check_probe_note.
5221 * function.c: Replace tail_recursion_reentry with
5222 stack_check_probe_note everywhere.
5223 (expand_function_start): Only emit a note for
5224 stack_check_probe_note with -fstack-protect.
5225 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5227 * emit-rtl.c (remove_unnecessary_notes): Remove.
5228 (pass_remove_unnecessary_notes): Remove.
5229 * rtl.h (remove_unnecessary_notes): Remove prototype.
5230 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5231 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5232 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5234 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5237 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5238 (valid_in_set): Handle ARRAY_REF.
5239 Change "if min_variant or VH" to asserts.
5240 (create_component_ref_by_pieces): Handle ARRAY_REF.
5241 (create_expression_by_pieces): Likewise.
5242 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5244 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5246 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5247 is operand of switch, not str[0].
5249 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5251 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5252 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5254 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5256 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5257 end of insn_extra_address_constraint declaration.
5259 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5261 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5262 (no-sum-in-toc): Same.
5263 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5265 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5266 NO_FP_IN_TOC for -fPIC instead of mask.
5268 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5269 (BOOT_LDFLAGS): Delete.
5271 * config/rs6000/t-aix52: Same.
5273 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5274 (stmsi[345678]_power): New.
5276 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5278 * config/ia64/ia64.opt: Add empty line to end of file.
5280 2006-03-17 Richard Guenther <rguenther@suse.de>
5283 * builtins.c (get_pointer_alignment): For component style references
5284 adjust alignment to the component type alignment. Make sure
5285 to adjust alignment for component access of constants.
5287 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5289 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5292 2006-03-17 Paul Brook <paul@codesourcery.com>
5294 * doc/install.texi: Docuemnt --with-mode.
5295 * config.gcc: Add --with-mode for arm*-*-*.
5296 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5298 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5300 * sh.c (max_labelno_before_reorg): New variable.
5301 (sh_reorg): Initialize it.
5302 (find_barrier): Check max_labelno_before_reorg before using
5303 label_to_alignment. Take length of explicit alignment insns
5304 into account. When seeing a UNSPECV_CONST_END, return it.
5306 * sh.c (fixup_mova): Set mode of affected label to QImode.
5307 (untangle_mova): New function.
5308 (find_barrier): Use it. Check mode of label before decrementing
5310 (sh_reorg): Likewise.
5311 Set mode of all insns back to VOIDmode.
5313 * sh.c (MOVA_LABELREF): New macro.
5314 (mova_p, fixup_mova, sh_reorg): Use it.
5315 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5316 ADDR_DIFF_VEC matches mova.
5318 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5320 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5321 with ATTRIBUTE_UNUSED.
5323 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5325 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5326 pointer, instead of assuming it is possible to derive the
5327 correct args size from a call insn.
5329 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5331 * rtl.h (CONST_INT_P): Define.
5332 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5333 instead of GET_CODE(x) == CONST_INT.
5334 (vax_rtx_costs): Likewise.
5335 (vax_output_int_move): Likewise.
5336 (vax_output_int_add): Likewise.
5337 (legitimate_constant_address_p): Likewise.
5338 (index_term_p): Likewise.
5339 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5340 * config/vax/vax.md (and<mode>3): Likewise.
5341 (ashrsi3): Likewise.
5343 (movstricthi): Likewise.
5344 (movstrictqi): Likewise.
5345 (rotrsi3): Likewise.
5346 (five unnamed insns): Likewise.
5348 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5350 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5351 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5352 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5353 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5354 Pass to ASM_OUTPUT_DWARF_OFFSET.
5355 * dwarf2out.c (debug_frame_section): New.
5356 (output_call_frame_info): Use debug_frame_section. Pass it to
5357 dw2_asm_output_offset.
5358 (output_die): Pass appropriate section to dw2_asm_output_offset.
5359 (output_compilation_unit_header): Likewise.
5360 (output_pubnames): Likewise.
5361 (output_aranges): Likewise.
5362 (enum dw_val_class): Break dw_val_class_lbl_offset into
5363 dw_val_class_lineptr and dw_val_class_macptr.
5364 (add_AT_lbl_offset): Delete.
5365 (add_AT_lineptr): New.
5366 (add_AT_macptr): New.
5367 (AT_lbl): Expect a lineptr or macptr.
5368 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5369 (attr_checksum): Likewise.
5370 (same_dw_val_p): Likewise.
5371 (size_of_die): Likewise.
5372 (value_format): Likewise.
5373 (output_die): Likewise.
5374 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5376 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5377 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5378 * config/darwin-protos.h (darwin_file_start): New.
5379 (darwin_asm_output_dwarf_offset): New.
5380 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5381 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5383 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5384 if not EH section; simplify.
5385 (darwin_file_start): New.
5386 (darwin_asm_output_dwarf_offset): New.
5387 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5389 (DEBUG_INFO_SECTION): Likewise.
5390 (DEBUG_ABBREV_SECTION): Likewise.
5391 (DEBUG_ARANGES_SECTION): Likewise.
5392 (DEBUG_MACINFO_SECTION): Likewise.
5393 (DEBUG_LINE_SECTION): Likewise.
5394 (DEBUG_LOC_SECTION): Likewise.
5395 (DEBUG_PUBNAMES_SECTION): Likewise.
5396 (DEBUG_STR_SECTION): Likewise.
5397 (DEBUG_RANGES_SECTION): Likewise.
5398 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5399 (ASM_OUTPUT_DWARF_OFFSET): New.
5401 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5403 * config.gcc (tm_defines): Always add to previous value rather
5406 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5408 * config/mips/predicates.md (splittable_const_int_operand): New,
5409 split from move_operand.
5410 (splittable_symbolic_operand): New.
5411 (move_operand): Add commentary. Use splittable_const_int_operand.
5412 Inline mips_atomic_symbolic_constant_p.
5413 * config/mips/mips.md: Add combine splitters for handling moves
5414 of splittable_const_int_operands and splittable_symbolic_operands.
5415 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5416 (mips_split_symbol): Declare.
5417 (mips_move_integer): Declare.
5418 * config/mips/mips.c (mips_split_p): Make global.
5419 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5420 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5421 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5422 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5423 (mips_offset_within_object_p): Handle block symbols.
5424 (mips_atomic_symbolic_constant_p): Delete.
5425 (mips_cannot_force_const_mem): Return false for constants that
5426 mips_legitimize_move can handle.
5427 (mips_use_blocks_for_constant_p): New function.
5428 (mips_split_symbol): Make global.
5429 (mips_move_integer): Likewise. Add a temporary register argument.
5430 (mips_legitimize_const_move): Use splittable_const_int_operand and
5431 splittable_symbolic_operand.
5432 (mips_use_anchors_for_symbol_p): New function.
5433 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5434 (mips_split_p): Declare.
5436 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5438 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5439 (mips*-*-linux*): Likewise.
5441 2006-03-16 Roger Sayle <roger@eyesopen.com>
5442 Daniel Speyer <dspeyer@wam.umd.edu>
5445 * tree-dump.c (dump_real): New function.
5446 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5447 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5448 (tree-dump.o): Add $(REAL_H) to the dependencies.
5450 2006-03-16 Roger Sayle <roger@eyesopen.com>
5453 * real.c (real_from_string): If the mantissa is zero, don't bother
5454 parsing the exponent as the result should always be zero.
5456 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5458 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5460 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5462 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5463 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5464 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5465 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5466 ia64_sched_finish_global): New static functions to implement
5467 hooks from gcc_target.sched.
5468 (spec_check_no, max_uid, pending_data_specs): New static variables.
5469 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5470 ia64_spec_check_src_p): New static functions.
5471 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5472 (TARGET_SCHED_ADJUST_COST): Removed.
5473 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5474 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5475 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5476 TARGET_SCHED_GEN_CHECK,
5477 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5478 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5479 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5480 Fixed to handle speculation checks.
5481 (rtx_needs_barrier): Fixed to handle speculative loads and
5483 (ia64_variable_issue): Added code to count speculative loads and their
5485 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5487 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5489 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5491 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5492 (ia64_reorg): Reset stops_p to NULL after it is freed.
5493 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5494 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5495 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5497 (data_speculative, control_speculative, check_load): New attributes.
5498 (mov<mode>_advanced, mov<mode>_speculative,
5499 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5500 zero_extend<mode>di2_speculative,
5501 zero_extend<mode>di2_speculative_advanced): New patterns for
5502 data and control speculative loads.
5503 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5505 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5506 New pattern for data and control speculation checks.
5507 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5508 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5509 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5510 Auxiliary definitions for the patterns.
5511 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5512 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5514 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5516 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5517 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5518 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5519 New resource constraints.
5520 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5522 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5523 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5524 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5525 msched-in-control-spec, msched-ldc, msched-control-ldc,
5526 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5527 msched-prefer-non-control-spec-insns,
5528 msched-count-spec-in-critical-path): New flags to tune speculative
5530 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5531 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5532 msched-in-control-spec, msched-ldc, msched-control-ldc,
5533 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5534 msched-prefer-non-control-spec-insns,
5535 msched-count-spec-in-critical-path): Document new flags.
5537 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5539 * target.h (struct spec_info_def): New opaque declaration.
5540 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5541 speculate_insn, needs_block_p, gen_check,
5542 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5543 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5544 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5545 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5546 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5547 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5549 (TARGET_SCHED): Use new macros.
5550 * rtl.h (copy_DEPS_LIST_list): New prototype.
5551 * sched-int.h (struct sched_info): Change signature of new_ready field,
5552 adjust all initializations. New fields: add_remove_insn,
5553 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5554 region_head_or_leaf_p.
5555 (struct spec_info_def): New structure declaration.
5556 (spec_info_t): New typedef.
5557 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5558 recovery_block, orig_pat.
5559 (glat_start, glat_end): New variables declaraions.
5560 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5562 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5563 DETACH_LIFE_INFO, USE_GLAT.
5564 (enum SPEC_SCHED_FLAGS): New enumeration.
5565 (NOTE_NOTE_BB_P): New macro.
5566 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5567 attach_life_info, debug_spec_status, check_reg_live): New functions.
5568 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5569 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5571 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5572 * ddg.c (get_block_head_tail): Adjust all uses.
5573 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5574 (sms_sched_info): Initialize new fields.
5575 (contributes_to_priority): Removed.
5576 * haifa-sched.c (params.h): New include.
5577 (get_block_head_tail): Adjust all uses.
5578 (ISSUE_POINTS): New macro.
5579 (glat_start, glat_end): New global variables.
5580 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5581 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5582 old_last_basic_block, before_recovery, current_sched_info_var,
5583 rgn_n_insns, luid): New static variables.
5584 (insn_cost1): New function. Move logic from insn_cost to here.
5585 (find_insn_reg_weight1): New function. Move logic from
5586 find_insn_reg_weight to here.
5587 (reemit_notes, move_insn, max_issue): Change signature.
5588 (move_insn1): Removed.
5589 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5590 extend_bb): New static functions to support extension of scheduler's
5592 (generate_recovery_code, process_insn_depend_be_in_spec,
5593 begin_speculative_block, add_to_speculative_block,
5594 init_before_recovery, create_recovery_block, create_check_block_twin,
5595 fix_recovery_deps): New static functions to support
5596 generation of recovery code.
5597 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5598 restore_bb_notes, move_block_after_check, move_succs): New static
5599 functions to support ebb scheduling.
5600 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5601 functions to support handling of register live information.
5602 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5603 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5604 add_jump_dependencies): New static functions.
5605 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5606 consistancy checking.
5607 (debug_spec_status): New function to call from debugger.
5608 (priority): Added code to handle speculation checks.
5609 (rank_for_schedule): Added code to distinguish speculative instructions.
5610 (schedule_insn): Added code to handle speculation checks.
5611 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5612 Fixed to handle ebbs.
5613 (move_insn): Added code to handle ebb scheduling.
5614 (max_issue): Added code to use ISSUE_POINTS of instructions.
5615 (choose_ready): Added code to choose between speculative and
5616 non-speculative instructions.
5617 (schedule_block): Added code to handle ebb scheduling and scheduling of
5618 speculative instructions.
5619 (sched_init): Initialize new variables.
5620 (sched_finish): Free new variables. Print statistics.
5621 (try_ready): Added code to handle speculative instructions.
5622 * lists.c (copy_DEPS_LIST_list): New function.
5623 * sched-deps.c (extend_dependency_caches): New function. Move logic
5624 from create_dependency_caches to here.
5625 (get_dep_weak, ds_merge): Make global.
5626 * genattr.c (main): Code to output prototype for
5627 dfa_clear_single_insn_cache.
5628 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5629 (output_dfa_clean_insn_cache_func): Code to output
5630 dfa_clear_single_insn_cache function.
5631 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5633 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5635 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5636 New static variables.
5637 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5638 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5640 (ebb_sched_info): Initialize new fields.
5641 (get_block_head_tail): Adjust all uses.
5642 (compute_jump_reg_dependencies): Fixed to use glat_start.
5643 (schedule_ebb): Code to remove unreachable last block.
5644 (schedule_ebbs): Added code to update register live information.
5645 * sched-rgn.c (region_sched_info): Initialize new fields.
5646 (get_block_head_tail): Adjust all uses.
5647 (last_was_jump): Removed. Adjust users.
5648 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5649 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5650 Implement new hooks.
5651 (check_dead_notes1): New static function.
5652 (struct region): New fields: dont_calc_deps, has_real_ebb.
5653 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5654 (BB_TO_BLOCK): Fixed to handle EBBs.
5655 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5656 (ebb_head): New static variable.
5657 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5658 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5660 (compute_dom_prob_ps): New assertion.
5661 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5662 global_live_at_start.
5663 (init_ready_list): New assertions.
5664 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5665 (new_ready): Add support for BEGIN_CONTROL speculation.
5666 (schedule_insns): Fixed code that updates register live information
5668 (schedule_region): Fixed to handle EBBs.
5669 (init_regions): Use extend_regions and check_dead_notes1.
5670 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5671 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5672 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5673 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5674 TARGET_SCHED_GEN_CHECK,
5675 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5676 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5677 * doc/invoke.texi (max-sched-insn-conflict-delay,
5678 sched-spec-prob-cutoff): Document.
5680 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5682 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5683 inter_tick, queue_index.
5684 (struct sched_info): Change signature of init_ready_list field.
5685 Adjust all initializations.
5686 (RESOLVED_DEPS): New access macro.
5687 (ready_add): Remove prototype.
5688 (try_ready): Add prototype.
5689 * sched-rgn.c (init_ready_list): Use try_ready.
5690 (schedule_region): Initialize
5691 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5692 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5693 (init_ready_list): Use try_ready.
5694 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5695 * lists.c (remove_list_elem): Remove `static'.
5696 (remove_free_INSN_LIST_elem): New function.
5697 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5698 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5699 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5701 (readyp): New variable.
5702 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5703 change_queue_index, resolve_dep): New static functions.
5704 (try_ready): New function. Adjust callers in sched-rgn.c and
5705 sched-ebb.c to use it instead of ready_add.
5706 (clock_var): Move at the begining of file.
5707 (rank_for_schedule): Fix typo.
5708 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5709 (ready_lastpos): Enforce assertion.
5710 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5712 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5713 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5714 (queue_to_ready): Use free_INSN_LIST_list.
5715 (early_queue_to_ready): Fix typo.
5716 (schedule_block): Init readyp. Move init_ready_list call after the
5717 initialization of clock_var. Fix error in rejecting insn by
5718 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5719 that previously corrected INSN_TICKs. Add code for handling
5721 (set_priorities): Fix typo.
5722 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5723 Clarify comment and code that keeps current_sched_info->next_tail
5726 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5728 * sched-rgn.c (extend_rgns): New static function.
5729 (find_rgns): Use it.
5730 (gather_region_statistics, print_region_statistics): New static
5732 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5733 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5735 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5736 Andrey Belevantsev <abel@ispras.ru>
5738 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5739 * lists.c (unused_deps_list): New variable.
5740 (free_list): Add assertions to verify the proper distinguishing
5741 between INSN_LISTs and DEPS_LISTs.
5742 (find_list_elem, remove_list_elem, remove_list_node): New static
5744 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5745 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5746 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5747 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5749 (free_INSN_LIST_node): Likewise.
5750 * modulo-sched.c (current_sched_info): Initialize flags field.
5751 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5752 * rtl.def (DEPS_LIST): Define.
5753 * rtl.h: Declare new functions from lists.c.
5754 * sched-deps.c (spec_dependency_cache): New static variable.
5755 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5756 (add_dependence): Change return type to void. Move the logic to ...
5757 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5758 (delete_all_dependences): Add comment about forward_dependency_cache.
5759 Handle spec_dependency_cache. Handle DEPS_LISTs.
5760 (fixup_sched_groups): Clarify the change of priority of output
5761 and anti dependencies.
5762 (sched_analyze_2): Adjust add_dependence calls to create data
5763 speculative dependence.
5764 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5765 Adjust all callers. Handle DEPS_LISTS.
5766 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5767 presence of speculation.
5768 (init_dependency_caches, free_dependency_caches):
5769 Handle spec_dependency_cache.
5770 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5771 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5772 New static functions.
5773 (add_or_update_back_dep, add_or_update_back_forw_dep,
5774 add_back_forw_dep, delete_back_forw_dep): New functions.
5775 * sched-int.h (ds_t, dw_t): New typedefs.
5776 (struct sched_info): Add new field flags.
5777 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5778 Prototype new sched-deps.c functions.
5779 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5780 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5781 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5782 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5783 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5784 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5786 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5788 * sched-rgn.c (current_sched_info): Initialize flags field.
5789 (schedule_insns): Initialize current_sched_info before the sched_init
5791 * sched-ebb.c (current_sched_info): Initialize flags field.
5792 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5793 Call add_or_update_back_dep instead of add_dependence.
5794 Create control speculative dependencies.
5795 (schedule_insns): Initialize current_sched_info before the sched_init
5798 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5800 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5802 (sh_fallback_frame_state): Likewise.
5804 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5806 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5807 Do switch on default_use_cxa_atexit.
5808 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5809 * config/darwin-crt3.o: New.
5810 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5811 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5812 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5814 * config/rs6000/t-darwin: Move crt2.o building to here.
5815 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5816 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5819 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5821 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5822 from '! xxx' to '!xxx' for coding-style conformance.
5823 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5824 (EXTRA_CONSTRAINT): Likewise.
5825 * config/vax/vax.md (four unnamed insns): Likewise.
5827 2006-03-15 Paul Brook <paul@codesourcery.com>
5829 * config/arm/arm.c (minipool_pad): New.
5830 (add_minipool_forward_ref): Include pool alignment padding in address
5832 (push_minipool_fix): Set minipool_pad.
5833 (minipool_pad): Ditto.
5835 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5837 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5838 instead of GET_CODE() == MEM and REG_P() instead of
5840 (print_operand_address): Likewise.
5841 (vax_address_cost): Likewise.
5842 (vax_rtx_costs): Likewise.
5843 (vax_notice_update_cc): Likewise.
5844 (vax_output_int_add): Likewise.
5845 (INDEX_REGISTER_P): Likewise.
5846 (BASE_REGISTER_P): Likewise.
5847 (nonindexed_address_p): Likewise.
5848 (vax_mode_dependent_address_p): Likewise.
5849 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5850 (PRINT_OPERAND): Likewise.
5851 * config/vax/vax.md (ashlsi3): Likewise.
5852 (ashlsi3): Likewise.
5853 (some more unnamed insns): Likewise.
5855 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5857 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5858 iterator-style macro.
5859 (mark_control_dependent_edges_necessary): Update the use of
5860 EXECUTE_IF_CONTROL_DEPENDENT.
5862 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5864 * config/sh/predicates.md (cache_address_operand): Special.
5865 (ua_address_operand): Likewise.
5867 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5869 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5871 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5873 2006-03-15 Andreas Schwab <schwab@suse.de>
5875 * gensupport.c (identify_predicable_attribute): Don't free p_false
5876 when it is still in use.
5878 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5880 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5881 the default setting here.
5883 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5885 * tree-pass.h (pass_cfg): Remove.
5886 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5887 * passes.c (pass_cfg): Don't run it.
5889 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5891 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5892 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5894 (stack_regs_mentioned): Update the uses of
5895 stack_regs_mentioned_data. Don't access the array beyond its
5897 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5898 Don't include gt-reg-stack.h.
5900 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5901 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5903 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5906 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5909 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5911 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5913 2006-03-14 Richard Guenther <rguenther@suse.de>
5915 PR tree-optimization/26672
5916 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5919 2006-03-14 Richard Guenther <rguenther@suse.de>
5921 PR tree-optimization/26667
5922 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5923 node for the callees. Always allow inlining if it will shrink
5926 2006-03-14 Richard Guenther <rguenther@suse.de>
5929 * builtins.c (get_pointer_alignment): Prefer alignment
5930 information from decls over that from types.
5932 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5935 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5937 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5939 * config/rs6000/rs6000.opt (mdlmzb): New option.
5940 (msched-prolog, msched-epilog): Use Var not Mask.
5941 * doc/invoke.texi (-mdlmzb): Document.
5942 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5944 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5945 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5947 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5949 PR rtl-optimization/25739
5950 * bt-load.c (augment_live_range): Free tos pointer.
5952 * gensupport.c (identify_predicable_attribute): Free
5954 * gcov.c (create_file_names): Free name pointer.
5956 2006-03-13 Roger Sayle <roger@eyesopen.com>
5959 * stmt.c (emit_case_nodes): Handle the case where the index is a
5960 CONST_INT, where the comparison mode is specified by the index type.
5962 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5964 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5967 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5969 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5970 (*branch_fp_inverted): Likewise.
5972 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5975 * omp-low.c (expand_omp_for_generic): Mark istart0
5976 and iend0 as addressable.
5978 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5980 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5982 2006-03-13 Jeff Law <law@redhat.com>
5984 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5985 virtual operands are interesting.
5986 (vrp_visit_stmt): Corresponding changes.
5988 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5990 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5992 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5993 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5994 * config/bfin/crti.S: Use it instead of __PIC__.
5995 * config/bfin/crtn.S: Likewise.
5997 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5998 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6000 Lose 'G' modifier for call operand.
6001 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6002 recognize 'G' modifier.
6004 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6007 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6008 * stmt.c (expand_case): Likewise.
6010 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6012 PR rtl-optimization/26254
6013 * loop-invariant.c (seq_insns_valid_p): New function.
6014 (move_invariant_reg): Only emit new code if it is valid.
6016 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6018 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6020 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6021 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6022 (commit_one_edge_insertion): Do not look for loop notes.
6024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6026 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6027 flag_test_coverage out of loop.
6029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6031 * final.c (shorten_branches): Remove outdated comment, and turn
6032 the if branch that guards it to continue.
6034 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6036 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6037 * cfgloop.h (struct loop): Remove unused fields.
6039 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6041 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6042 (-dL, -fdump-rtl-loop2): Update the dump file names
6044 * doc/invoke.texi: Update dump file names.
6046 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6048 * predict.c (estimate_probability): Remove.
6049 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6050 * basic-block.h (estimate_probability): Remove prototype.
6051 * passes.c (finish_optimization_passes): Dump branch prediction or
6052 profiling heuristics to the .profile tree dump.
6053 (init_optimization_passes): Unqueue pass_branch_prob.
6055 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6057 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6059 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6060 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6062 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6064 * function.h (frame_offset_overflow): Declare.
6065 * function.c (frame_offset_overflow): New function.
6066 (assign_stack_local_1): Call it to detect that the offset overflows.
6067 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6069 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6071 * config/sh/sh.c: Include alloc-pool.h.
6072 (label_ref_list_pool): New alloc pool.
6073 (label_ref_list_t): New type for lists of labels.
6074 (struct pool_node): Make wend a label_ref_list_t.
6075 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6077 (dump_table): Likewise.
6078 (sh_reorg): Set up the alloc pool before using add_constant and
6079 dump_table, and destroy it when finishing.
6081 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6083 * config/mips/mips.c: Remove redundant comment.
6085 2006-03-10 Jason Merrill <jason@redhat.com>
6088 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6089 the target was declared 'register'.
6091 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6093 * genpreds.c (write_insn_constraint_len): Change definition of
6094 insn_constraint_len to return size_t to match the declaration.
6096 2006-03-10 DJ Delorie <dj@redhat.com>
6098 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6100 (m32c_expand_insv): Fix test for an AND mask.
6102 2006-03-10 Richard Guenther <rguenther@suse.de>
6105 * builtins.c (get_pointer_alignment): Handle component
6106 references for field alignment.
6108 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6110 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6111 when building with libgloss.
6112 (sh*elf): Implement --without-fp option.
6113 (sh64-superh-linux*): Don't multilib.
6115 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6117 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6119 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6121 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6122 Set it when one of the replacement functions returned true.
6123 Return TODO_cleanup_cfg if cfgchanged is true.
6124 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6126 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6128 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6129 instead of gen_lowpart.
6131 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6133 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6135 (mips_output_order_conditional_branch): Declare.
6136 * config/mips/mips.h (MIPS_BRANCH): New macro.
6137 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6138 for the comparison. Use gen_condjump.
6139 (mips_output_conditional_branch): Rework interface to take the
6140 asm templates for a direct branch and the inverse of a direct branch.
6141 (mips_output_order_conditional_branch): New function.
6142 (mips_builtin_branch_and_move): New function.
6143 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6144 branch condition. Use gen_single_cc as the condition for
6145 __builtin_mips_upper_* or __builtin_mips_lower_*.
6146 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6147 Use VOIDmode for the branch condition.
6148 * config/mips/predicates.md (order_operator): New predicate.
6149 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6150 (branch_fp): Rename to...
6151 (*branch_fp): ...this. Remove mode from comparison operator.
6152 Use new mips_output_conditional_branch interface.
6153 (branch_fp_inverted): Rename to...
6154 (*branch_fp_inverted): ...this and update as for *branch_fp.
6155 (*branch_zero<mode>): Rename to...
6156 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6157 Use mips_output_order_conditional_branch. Only accept ordered
6159 (*branch_zero<mode>_inverted): Rename to...
6160 (*branch_order<mode>_inverted): ...this and update as for
6161 *branch_order<mode>.
6162 (*branch_equality<mode>): Accept zero as the second operand to
6163 the equality operator. Use the new mips_output_conditional_branch
6165 (*branch_equality<mode>_inverted): Likewise.
6166 (condjump): New expander.
6167 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6169 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6170 (bc1any2t, bc1any2f): Likewise.
6171 (single_cc): New expander.
6172 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6174 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6176 * doc/md.texi: Update documentation of MIPS constraints.
6177 * config/mips/constraints.md: New file.
6178 * config/mips/mips.md: Include it.
6179 * config/mips/mips.c (mips_char_to_class): Delete.
6180 (override_options): Don't initialize mips_char_to_class.
6181 * config/mips/mips.h (mips_char_to_class): Delete.
6182 (REG_CLASS_FROM_LETTER): Delete.
6183 (CONST_OK_FOR_LETTER_P): Delete.
6184 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6185 (EXTRA_CONSTRAINT_Y): Delete.
6186 (EXTRA_CONSTRAINT_STR): Delete.
6187 (CONSTRAINT_LEN): Delete.
6188 (EXTRA_MEMORY_CONSTRAINT): Delete.
6190 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6192 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6193 original fn's eh regions.
6195 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6197 * fold-const.c (build_range_check): Make sure to use a valid type to
6198 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6201 (range_predecessor): New static function.
6202 (range_successor): Likewise.
6203 (merge_ranges): Use them to compute predecessors and successors of
6206 2006-03-09 Roger Sayle <roger@eyesopen.com>
6209 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6210 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6212 2006-03-08 DJ Delorie <dj@redhat.com>
6214 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6215 (addpsi3): Expand to include memory operands. Remove
6216 reload-specific splits.
6217 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6218 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6219 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6220 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6221 (shift1_qi, shift1_hi, insv): New.
6222 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6223 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6224 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6226 * config/m32c/m32c-protos.h: Update as needed.
6227 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6228 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6229 Fail for unrecognized R* constraints.
6230 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6231 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6232 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6234 (m32c_init_libfuncs): New.
6235 (m32c_legitimate_address_p): Add debug wrapper.
6236 (m32c_rtx_costs): New.
6237 (m32c_address_cost): New.
6238 (conversions): Add 'B' prefix.
6239 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6240 operands, or word regnames for QI operands. 'B' prints bit
6242 (m32c_expand_setmemhi): New.
6243 (m32c_expand_movmemhi): New.
6244 (m32c_expand_movstr): New.
6245 (m32c_expand_cmpstr): New.
6246 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6247 (m32c_expand_neg_mulpsi3): Handle non-ints.
6248 (m32c_cmp_flg_0): New.
6249 (m32c_expand_movcc): New.
6250 (m32c_expand_insv): New.
6251 (m32c_scc_pattern): New.
6252 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6253 a0/a1 out of SIregs.
6254 (STORE_FLAG_VALUE): New.
6255 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6258 * config/m32c/mov.md: Make constraints more liberal.
6259 (zero_extendqihi2): Optimize r0/r1 case.
6260 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6261 * config/m32c/predicates.md (m32c_any_operand): New.
6262 (m32c_nonimmediate_operand): New.
6263 (m32c_hl_operand): New.
6264 (m32c_r3_operand): New.
6267 (memsym_operand): New.
6268 (memimmed_operand): New.
6269 (a_qi_operand): New.
6270 (m32c_eqne_operator): New.
6271 (m32c_1bit8_operand): New.
6272 (m32c_1bit16_operand): New.
6273 (m32c_1mask8_operand): New.
6274 (m32c_1mask16_operand): New.
6275 * config/m32c/blkmov.md: New file.
6276 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6278 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6280 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6281 unsigned to fix signed/unsigned comparison issue in
6282 DWARF2_FRAME_REG_OUT.
6283 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6284 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6286 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6287 of ptr into the ENABLE_CHECKING section.
6289 2006-03-08 Jeff Law <law@redhat.com>
6291 * tree-vrp.c (infer_value_range): Only count pointer uses
6292 and dereferences if -fdelete-null-pointer-checks is enabled.
6294 * tree-vrp.c (find_assert_locations): Infer value ranges for
6295 single use pointers, but do not create ASSERT_EXPRs for them.
6296 When a non-null range is inferred for a pointer, backwards
6297 propagate that range to other equivalent pointers through the
6300 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6303 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6304 language hook targets.
6305 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6306 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6307 if language hook targets were missing.
6309 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6311 * tree-ssa-opfinalize.h: Removed.
6312 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6314 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6315 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6316 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6317 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6318 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6319 finalize_ssa_v_must_def_ops): New.
6321 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6323 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6326 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6328 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6330 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6331 addresses with offsets; reorganize.
6333 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6334 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6335 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6337 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6340 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6342 2006-03-08 Ben Elliston <bje@au.ibm.com>
6344 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6346 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6349 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6352 2006-03-07 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/26587
6355 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6357 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6359 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6361 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6363 * hooks.c (hook_bool_mode_rtx_true): New function.
6364 * hooks.h (hook_bool_mode_rtx_true): Declare.
6365 * toplev.c (compile_file): Call output_shared_constant_pool.
6366 * varasm.c (shared_constant_pool): New variable.
6367 (assemble_start_function, assemble_end_function): Remove arguments
6368 from call to output_constant_pool.
6369 (create_constant_pool): New function, split out from...
6370 (init_varasm_status): ...here.
6371 (force_const_mem): Choose between the shared and per-function constant
6372 pools. Set current_function_uses_const_pool when reusing old entries
6373 as well as when creating new ones.
6374 (mark_constant): Ignore data argument.
6375 (mark_constants): Remove pool argument.
6376 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6377 to decide whether the function uses a constant pool.
6378 (output_constant_pool_contents): New function, split out from...
6379 (output_constant_pool): ...here.
6380 (output_shared_constant_pool): New function.
6381 (init_varasm_once): Initialize shared_constant_pool.
6382 * output.h (output_constant_pool): Delete.
6383 (output_shared_constant_pool): Declare.
6384 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6385 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6387 2006-03-06 Nick Clifton <nickc@redhat.com>
6389 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6390 flag_strength_reduce.
6392 2006-03-06 Ben Elliston <bje@au.ibm.com>
6394 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6395 x86_64-*-linux* configurations.
6397 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6398 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6402 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6404 * basic-block.h: Remove the extern for
6405 rediscover_loops_after_threading.
6407 * cfgloop.c (cancel_loop): Make it static.
6408 * cfgloop.h: Remove the prototype for cancel_loop.
6410 * flow.c (recompute_reg_usage): Make it static.
6411 * rtl.h: Remove the prototype for recompute_reg_usage.
6413 * function.c (use_return_register): Make it static.
6414 * function.h: Remove the prototype.
6416 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6418 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6420 * recog.h: Remove the prototype for
6421 validate_change_maybe_volatile.
6423 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6425 * rtlanal.c (replace_reg): Remove.
6426 * rtl.h: Remove the prototype for replace_reg.
6428 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6430 * regclass.c (reg_scan_update): Remove.
6431 (reg_scan_mark_refs): Remove the last argument.
6432 * rtl.h: Remove the prototype for reg_scan_update.
6434 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6436 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6437 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6438 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6439 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6440 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6441 loop-invariant.c, omp-low.c, opts.c, passes.c,
6442 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6443 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6444 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6445 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6446 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6447 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6451 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6452 * dwarf2out.h: Remove the prototype for
6453 dwarf2out_add_library_unit_info.
6455 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6457 * tree.c (add_var_to_bind_expr): Remove.
6458 * tree.h: Remove the prototype for add_var_to_bind_expr.
6460 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6462 * regclass.c (n_non_fixed_regs): Remove.
6463 (init_reg_sets_1, globalize_reg): Remove all uses of
6465 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6467 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6469 * rtlanal.c (insns_safe_to_move_p): Remove.
6470 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6472 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6474 * expmed.c (expand_mult_add): Remove.
6475 * expr.h: Remove the prototype for expand_mult_add.
6477 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6479 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6480 and REG_SAVED_VAL_EXP constants.
6481 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6482 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6483 Handle regs stored by value.
6484 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6485 (execute_cfa_program): Handle DW_CFA_val_offset,
6486 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6487 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6488 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6489 (uw_install_context_1): Handle target regs stored by value.
6491 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6493 * tree-sra.c (tree_sra): Return todoflags;
6494 (generate_one_element): Set TODO_update_smt_usage if needed.
6495 (pass_sra): Remove TODO_update_smt_usage.
6496 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6498 (tree_ssa_forward_propagate_single_use_vars): Return
6499 TODO_update_smt_usage if we need to update SMT usage.
6500 (pass_forwprop): Remove TODO_update_smt_usage.
6502 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6504 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6505 (correct_use_link): Remove reference to get_stmt_operands.
6506 (update_stmt_operands): Likewise.
6507 (get_modify_expr_operands): New function factored out of
6508 parse_ssa_operands and get_expr_operands.
6509 Try to create V_MUST_DEFs for LHS by default.
6510 (get_expr_operands) <case MODIFY_EXPR>: Call
6511 get_modify_expr_operands.
6512 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6513 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6514 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6515 get_modify_expr_operands.
6517 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6519 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6520 * tree-flow.h: Remove the prototype for
6521 referenced_var_lookup_if_exists.
6523 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6525 PR rtl-optimization/26345
6527 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6529 2006-03-03 Roger Sayle <roger@eyesopen.com>
6531 PR tree-optimization/26524
6532 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6533 fold_convert to create a constant of the appropriate type.
6535 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6537 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6538 SYMBOL_REF_IN_BLOCK_P.
6539 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6540 of SYMBOL_FLAG_IN_BLOCK.
6541 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6542 instead of SYMBOL_REF_IN_BLOCK_P.
6543 * explow.c (use_anchored_address): Likewise.
6544 * rtl.c (rtx_size): Likewise.
6545 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6546 instead of SYMBOL_FLAG_IN_BLOCK.
6547 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6548 SYMBOL_REF_IN_BLOCK_P.
6549 (assemble_variable): Likewise.
6550 (output_constant_def_contents): Likewise.
6551 (output_constant_pool): Likewise.
6552 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6553 instead of SYMBOL_FLAG_IN_BLOCK.
6554 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6555 SYMBOL_REF_IN_BLOCK_P.
6556 (SYMBOL_REF_BLOCK): Likewise.
6557 (SYMBOL_REF_OFFSET): Likewise.
6558 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6559 SYMBOL_REF_IN_BLOCK_P.
6560 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6561 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6562 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6563 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6565 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6567 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6569 2006-03-02 Roger Sayle <roger@eyesopen.com>
6571 * simplify-rtx.c (simplify_unary_operation): When simplifying
6572 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6573 that we perform the right shift in the appropriate mode, and
6574 then extend or truncate the result to requested mode.
6576 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6578 * gengtype.c (main): Handle double_int type.
6579 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6580 * double-int.c: New file.
6581 * double-int.h: New file.
6582 * system.h: Include doubleint.h.
6583 * Makefile.in (SYSTEM_H): Include double-int.h.
6584 (double-int.o): Add.
6586 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6589 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6592 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6594 * tree-vrp.c (remove_range_assertions): Do not update statements
6597 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6599 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6601 * gcse.c (rest_of_handle_gcse): Ditto.
6602 * except.c (gate_handle_eh): Ditto.
6603 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6604 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6606 2006-03-02 Eric Christopher <echristo@apple.com>
6608 * config/i386/i386.c (machopic_output_stub): Add indirection to
6611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6615 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6617 Sun Niagara specific optimizations.
6618 * config.gcc: Recognize niagara as target.
6619 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6620 (TARGET_CPU_niagara): Define.
6621 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6622 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6623 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6624 (ASM_CPU_SPEC): Likewise.
6625 (PROCESSOR_NIAGARA): New enum entry.
6626 (REGISTER_MOVE_COST): Handle Niagara.
6627 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6628 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6629 (sparc_override_options): Recognize "niagara", set appropriate
6630 default MASK_* values for it, and align functions to 32-bytes
6631 by default just like ULTRASPARC/ULTRASPARC3.
6632 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6633 (sparc64_initialize_trampoline): Likewise.
6634 (sparc_use_sched_lookahead): Use zero for niagara.
6635 (sparc_issue_rate): Use one for niagara.
6636 * config/sparc/niagara.md: New file.
6637 * config/sparc/sparc.md: Include it.
6638 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6639 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6640 when default cpu is niagara.
6641 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6642 (ASM_CPU_SPEC): Likewise.
6643 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6644 when default cpu is niagara.
6645 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6646 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6647 just like v9/ultrasparc/ultrasparc3.
6648 * doc/invoke.texi: Add documentation for "niagara" and improve
6649 existing documentation for ultrasparc variants.
6651 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6653 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6655 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6657 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6658 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6659 and say that only one is needed.
6660 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6661 * target.h (have_switchable_bss_sections): New hook.
6662 * explow.c (use_anchored_address): Check that the symbol is in a block.
6663 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6664 (bss_noswitch_section): New variables.
6665 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6666 (get_noswitch_section): New function.
6667 (get_block_for_section): Allow SECT to be null.
6668 (unlikely_text_section_p): Use SECTION_STYLE.
6669 (bss_initializer_p): New function.
6670 (get_variable_section): Move earlier in file. Take a new argument,
6671 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6672 Return one of the new *_sections in such cases.
6673 (get_block_for_decl): New function, extracting some logic from
6674 use_blocks_for_decl_p.
6675 (change_symbol_section): Remove in favor of...
6676 (change_symbol_block): ...this new function.
6677 (use_blocks_for_decl_p): Remove checks now performed by
6679 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6680 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6681 (emit_local, emit_bss, emit_common): ...these new functions.
6682 Return true if the alignment was honored.
6683 (emit_tls_common): New function.
6684 (asm_emit_uninitialised): Delete.
6685 (assemble_variable_noswitch): New function, split out from...
6686 (assemble_variable): ...here. Don't make decisions about common
6687 variables here. Globalize all public decls that go into non-common
6688 sections. Check whether SYMBOL_REF_BLOCK is null.
6689 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6690 (output_constant_pool): Likewise.
6691 (init_varasm_once): Initialize the new section variables.
6692 (have_global_bss_p): New function.
6693 (categorize_decl_for_section): Use bss_initializer_p.
6694 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6695 (place_block_symbol): Assert that the symbol must be in a block.
6696 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6697 (TARGET_INITIALIZER): Include it.
6698 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6699 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6700 (SECTION_MACH_DEP): Bump by two.
6701 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6702 (unnamed_section): Mention SECTION_UNNAMED in comment.
6703 (named_section): Likewise SECTION_NAMED.
6704 (noswitch_section_callback): New type.
6705 (noswitch_section): New structure.
6706 (section): Add a noswitch_section alternative.
6707 (SECTION_STYLE): New macro.
6708 (tls_comm_section, comm_section, lcomm_section): Declare.
6709 (bss_noswitch_section, have_global_bss_p): Declare.
6710 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6711 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6713 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6714 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6717 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6719 * tree-vrp.c (execute_vrp): Return value.
6720 * regrename.c (rest_of_handle_regrename): Ditto.
6721 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6722 * tree-complex.c (tree_lower_complex): Ditto.
6723 (tree_lower_complex_O0): Ditto.
6724 * tracer.c (rest_of_handle_tracer): Ditto.
6725 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6726 * postreload.c (rest_of_handle_postreload): Ditto.
6727 * tree-tailcall.c (execute_tail_recursion): Ditto.
6728 (execute_tail_calls): Ditto.
6729 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6730 * tree.h (init_function_for_compilation): Ditto.
6731 * ipa-cp.c (ipcp_driver): Ditto.
6732 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6733 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6734 * final.c (compute_alignments): Ditto.
6735 (rest_of_handle_final): Ditto.
6736 (rest_of_handle_shorten_branches): Ditto.
6737 (rest_of_clean_state): Ditto.
6738 * omp-low.c (execute_expand_omp): Ditto.
6739 (execute_lower_omp): Ditto.
6740 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6741 * ipa-reference.c (static_execute): Ditto.
6742 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6743 * reorg.c (rest_of_handle_delay_slots): Ditto.
6744 (rest_of_handle_machine_reorg): Ditto.
6745 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6746 * flow.c (recompute_reg_usage): Ditto.
6747 (rest_of_handle_remove_death_notes): Ditto.
6748 (rest_of_handle_life): Ditto.
6749 (rest_of_handle_flow2): Ditto.
6750 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6751 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6752 (do_ssa_store_ccp): Ditto.
6753 (execute_fold_all_builtins): Ditto.
6754 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6755 * modulo-sched.c (rest_of_handle_sms): Ditto.
6756 * ipa-pure-const.c (static_execute): Ditto.
6757 * cse.c (rest_of_handle_cse): Ditto.
6758 (rest_of_handle_cse2): Ditto.
6759 * web.c (rest_of_handle_web): Ditto.
6760 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6761 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6762 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6763 * tree-nrv.c (tree_nrv): Ditto.
6764 (execute_return_slot_opt): Ditto.
6765 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6766 (create_structure_vars): Ditto.
6767 * loop-init.c (rtl_loop_init): Ditto.
6768 (rtl_loop_done): Ditto.
6769 (rtl_move_loop_invariants): Ditto.
6770 (rtl_unswitch): Ditto.
6771 (rtl_unroll_and_peel_loops): Ditto.
6772 (rtl_doloop): Ditto.
6773 * gimple-low.c (lower_function_body): Ditto.
6774 (mark_used_blocks): Ditto.
6775 * tree-ssa-sink.c (execute_sink_code): Ditto.
6776 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6777 (cgraph_early_inlining): Ditto.
6778 * global.c (rest_of_handle_global_alloc): Ditto.
6779 * jump.c (cleanup_barriers): Ditto.
6780 (purge_line_number_notes): Ditto.
6781 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6782 (rest_of_handle_if_after_reload): Ditto.
6783 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6784 (tree_ssa_loop_im): Ditto.
6785 (tree_ssa_loop_unswitch): Ditto.
6786 (tree_vectorize): Ditto.
6787 (tree_linear_transform): Ditto.
6788 (tree_ssa_loop_ivcanon): Ditto.
6789 (tree_ssa_empty_loop): Ditto.
6790 (tree_ssa_loop_bounds): Ditto.
6791 (tree_complete_unroll): Ditto.
6792 (tree_ssa_loop_prefetch): Ditto.
6793 (tree_ssa_loop_ivopts): Ditto.
6794 (tree_ssa_loop_done): Ditto.
6795 * predict.c (tree_estimate_probability): Ditto.
6796 * recog.c (split_all_insns_noflow): Ditto.
6797 (rest_of_handle_peephole2): Ditto.
6798 (rest_of_handle_split_all_insns): Ditto.
6799 * tree-eh.c (lower_eh_constructs): Ditto.
6800 * regmove.c (rest_of_handle_regmove): Ditto.
6801 (rest_of_handle_stack_adjustments): Ditto.
6802 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6803 * function.c (instantiate_virtual_regs): Ditto.
6804 (init_function_for_compilation): Ditto.
6805 (rest_of_handle_check_leaf_regs): Ditto.
6806 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6807 (rest_of_handle_gcse): Ditto.
6808 * ipa-type-escape.c (type_escape_execute): Ditto.
6809 * alias.c (rest_of_handle_cfg): Ditto.
6810 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6811 * profile.c (rest_of_handle_branch_prob): Ditto.
6812 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6813 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6814 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6815 * tree-dfa.c (find_referenced_vars): Ditto.
6816 * except.c (set_nothrow_function_flags): Ditto.
6817 (convert_to_eh_region_ranges): Ditto.
6818 (rest_of_handle_eh): Ditto.
6819 * emit-rtl.c (unshare_all_rtl): Ditto.
6820 (remove_unnecessary_notes): Ditto.
6821 * except.h (set_nothrow_function_flags): Ditto.
6822 (convert_to_eh_region_ranges): Ditto.
6823 * cfgexpand.c (tree_expand_cfg): Ditto.
6824 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6825 * tree-ssa-pre.c (do_pre): Ditto.
6826 (execute_fre): Ditto.
6827 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6828 (rest_of_handle_jump2): Ditto.
6829 * tree-sra.c (tree_sra): Ditto.
6830 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6831 (execute_mudflap_function_decls): Ditto.
6832 * tree-ssa-copy.c (do_copy_prop): Ditto.
6833 (do_store_copy_prop): Ditto.
6834 * ipa-prop.h (ipcp_driver): Ditto.
6835 * cfglayout.c (insn_locators_initialize): Ditto.
6836 * tree-ssa-forwprop.c
6837 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6838 * cfglayout.h (insn_locators_initialize): Ditto.
6839 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6840 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6841 (execute_late_warn_uninitialized): Ditto.
6842 * rtl.h (cleanup_barriers): Ditto.
6843 (split_all_insns_noflow): Ditto.
6844 (purge_line_number_notes): Ditto.
6845 (unshare_all_rtl): Ditto.
6846 (remove_unnecessary_notes): Ditto.
6847 (recompute_reg_usage): Ditto.
6848 (variable_tracking_main): Ditto.
6849 * integrate.c (emit_initial_value_sets): Ditto.
6850 * integrate.h (emit_initial_value_sets): Ditto.
6851 * tree-optimize.c (execute_free_datastructures): Ditto
6852 (execute_free_cfg_annotations): Ditto.
6853 (execute_fixup_cfg): Ditto.
6854 (execute_cleanup_cfg_pre_ipa): Ditto.
6855 (execute_cleanup_cfg_post_optimizing): Ditto.
6856 (execute_init_datastructures): Ditto.
6857 * tree-object-size.c (compute_object_sizes): Ditto.
6858 * combine.c (rest_of_handle_combine): Ditto.
6859 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6860 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6861 (rest_of_handle_reorder_blocks): Ditto.
6862 (rest_of_handle_partition_blocks): Ditto.
6863 * var-tracking.c (variable_tracking_main): Ditto.
6864 * tree-profile.c (tree_profiling): Ditto.
6865 * tree-vect-generic.c (expand_vector_operations): Ditto.
6866 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6867 * sched-rgn.c (rest_of_handle_sched): Ditto.
6868 (rest_of_handle_sched2): Ditto.
6869 * basic-block.h (free_bb_insn): Ditto.
6870 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6871 * tree-cfg.c (execute_build_cfg): Ditto.
6872 (remove_useless_stmts): Ditto.
6873 (split_critical_edges): Ditto.
6874 (execute_warn_function_return): Ditto.
6875 (execute_warn_function_noreturn): Ditto.
6876 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6877 * cfgrtl.c (free_bb_for_insn): Ditto.
6878 * passes.c (execute_one_pass): Run additional
6879 todos returned by execute function.
6880 * tree-pass.h (struct tree_opt_pass): Make execute
6883 2006-03-02 Richard Guenther <rguenther@suse.de>
6885 * tree-ssa-alias.c (find_used_portions): Consider taking
6886 the address as making the variable not write-only.
6888 2006-03-02 Nick Clifton <nickc@redhat.com>
6890 * config.gcc (default_use_cxa_atexit): Extend the description of
6891 this configure variable. Set its default value to "yes" for
6892 Linux, NetBSD and ELF targets on the assumption that they will
6893 use C libraries with the __cxa_atexit function.
6895 2006-03-02 Ben Elliston <bje@au.ibm.com>
6897 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6898 parameter as unused to suppress a build warning.
6900 2006-03-02 Ben Elliston <bje@au.ibm.com>
6902 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6905 2006-03-01 Roger Sayle <roger@eyesopen.com>
6908 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6909 declared name, the weak reference name, and the typeof name.
6910 (__gthrw): Avoid expanding the declared name suffix.
6911 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6913 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6915 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6917 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6918 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6919 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6920 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6921 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6922 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6923 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6924 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6925 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6926 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6927 (DW_END_default, DW_END_big, DW_END_little): New.
6928 (DW_END_lo_user, DW_END_hi_user): Define.
6929 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6930 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6931 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6934 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6936 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6938 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6940 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6942 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6944 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6945 to 'symbol_mem_tag'.
6947 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6950 2006-03-01 Roger Sayle <roger@eyesopen.com>
6952 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6954 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6957 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6958 MACHO_DYNAMIC_NO_PIC_P.
6959 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6961 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6964 * config/darwin-protos.h (darwin_asm_output_anchor):
6966 * config/darwin-sections.def (cstring_section):
6967 Add SECTION_MERGE to the flags.
6968 (literal4_section): Likewise.
6969 (literal8_section): Likewise.
6970 (objc_selector_refs_section): Likewise.
6971 (objc_cls_refs_section): Likewise.
6972 * config/darwin.c (darwin_asm_output_anchor): New
6974 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6976 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6978 Fix PR tree-optimization/26443
6979 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6980 to todo and PROP_tmt_usage to properties_destroyed.
6981 * tree-ssa-ccp.c (pass_ccp): Ditto.
6982 (pass_store_ccp): Ditto.
6983 * tree-ssa-dom.c (pass_dominator): Ditto.
6985 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6987 * tree-ssa-operands.c: Cleanup whitespace.
6988 (get_asm_expr_operands): Move before first invocation.
6989 (get_indirect_ref_operands): Likewise.
6990 (get_tmr_operands): Likewise.
6991 (get_call_expr_operands): Likewise.
6992 (append_def): Likewise.
6993 (append_use): Likewise.
6994 (append_v_may_def): Likewise.
6995 (append_v_must_def): Likewise.
6996 (add_call_clobber_ops): Likewise.
6997 (add_call_read_ops): Likewise.
6998 (add_stmt_operand): Likewise.
6999 (add_virtual_operand): Likewise.
7000 (build_ssa_operands): Likewise.
7002 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7007 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7008 with a call expr to ...
7009 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7011 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7013 * tree-vrp.c (extract_range_from_assert): Remove special
7014 handling for types with super-types.
7016 2006-03-01 Ben Elliston <bje@au.ibm.com>
7018 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7019 and powerpc64-*-linux* configurations.
7020 * config/t-dfprules: New file.
7022 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7023 Compile dfp-bit.c from the source directory using -DWIDTH and
7024 $DFP_CFLAGS to control the compilation of that file, rather than
7025 generating width-specific versions in the build directory.
7026 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7027 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7029 2006-02-28 Zack Weinberg <zackw@panix.com>
7031 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7034 2006-02-28 Eric Christopher <echristo@apple.com>
7036 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7037 Set up IN_LIBGCC definition of TARGET_64BIT.
7038 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7040 2006-02-28 Roger Sayle <roger@eyesopen.com>
7043 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7044 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7045 cases via the construction of "expr != 0".
7047 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7049 * alias.c (alias_invariant, alias_invariant_size): Remove.
7050 (record_base_value): Remove.
7051 (memrefs_conflict_p): Don't look at alias_invariant.
7052 (end_alias_analysis): Don't free it.
7053 * alias.h (record_base_value): Remove prototype.
7055 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7056 Adam Nemet <anemet@caviumnetworks.com>
7058 * rtl.h (truncated_to_mode): Declare it.
7059 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7060 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7061 (RTL_HOOKS_INITIALIZER): Include it.
7062 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7063 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7064 reg_truncated_to_mode.
7065 * rtlanal.c (truncated_to_mode): Define it.
7066 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7068 2006-02-28 Jeff Law <law@redhat.com>
7070 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7071 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7072 the range allowed by TYPE_PRECISION.
7074 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7076 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7078 PR tree-optimization/26419
7079 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7082 2006-02-27 Zack Weinberg <zackw@panix.com>
7084 * doc/md.texi: Fix typo in previous change.
7086 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7090 2006-02-27 Zack Weinberg <zackw@panix.com>
7092 * rtl.def (define_constraint, define_register_constraint)
7093 (define_memory_constraint, define_address_constraint): New MD forms.
7094 * gensupport.c (process_rtx): Put define_constraint etc on the
7096 * genpreds.c (process_define_predicate): Adjust comment. Validate
7097 the name, and call validate_exp to validate the expression.
7098 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7099 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7100 all callers changed.
7101 (validate_exp, needs_variable, struct constraint_data)
7102 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7103 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7104 (const_dbl_constraints, constraint_max_namelen)
7105 (have_register_constraints, have_memory_constraints)
7106 (have_address_constraints, have_address_constraints)
7107 (have_extra_constraints, have_const_int_constraints)
7108 (have_const_dbl_constraints, mangle, add_constraint)
7109 (process_define_constraint, process_define_register_constraint)
7110 (write_enum_constraint_num, write_lookup_constraint)
7111 (write_insn_constraint_len, write_regclass_for_constraint)
7112 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7113 (write_insn_extra_memory_constraint)
7114 (write_insn_extra_address_constraint)
7115 (write_satisfies_constraint_fns): New.
7116 (write_tm_preds_h): If we have new-style constraint definitions,
7117 prototype the functions generated from them, and define the
7118 old constraint interface (still used by generic code) in terms of
7120 (write_insn_preds_c): If we have new-style constraint definitions,
7121 generate all relevant functions from those definitions.
7122 (main): Handle define_constraint etc.
7123 * genoutput.c (struct constraint_data, indep_constraints)
7124 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7125 (mdep_constraint_len): New data structures and functions, defined
7126 #ifdef USE_MD_CONSTRAINTS.
7127 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7128 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7129 use new logic to validate operand constraints against constraint
7131 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7133 * defaults.h: If none of the old-style constraint macros are
7134 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7135 old-style macros; and poison REG_CLASS_FROM_LETTER,
7136 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7138 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7139 * doc/md.texi: Document new constraint-definition mechanism and the
7140 C interface it provides. Remove references to old mechanism
7141 elsewhere in the document.
7142 (Machine Constraints): Use pathnames relative to gcc directory,
7143 i.e. config/ARCH/FILE. Change i386 section to refer to
7144 config/i386/predicates.md; update that section to match docstrings.
7145 * doc/tm.texi: Move all documentation of the old constraint-
7146 definition macros to their own section, clearly mark as obsolete.
7148 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7149 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7151 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7152 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7153 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7155 (splits and peepholes): Use satisfies_constraint_*.
7156 * config/i386/i386.c (memory_address_length)
7157 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7159 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7161 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7162 scalar operation to be put back into the loop.
7164 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7167 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7168 (extract_cie_info): Handle S flag in augmentation string.
7169 (execute_cfa_program): If context->signal_frame, execute also
7170 fs->pc == context->ra instructions.
7171 (uw_frame_state_for): If context->signal_frame, don't subtract one
7172 from context->ra to find FDE.
7173 (uw_update_context_1): Set context->signal_frame to
7175 (_Unwind_GetIPInfo): New function.
7176 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7177 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7179 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7180 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7181 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7182 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7183 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7184 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7185 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7186 x86_64_fallback_frame_state): Set fs->signal_frame.
7187 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7188 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7189 (frob_update_context): Likewise. Workaround missing S flag in
7190 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7191 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7192 Remove the psw_addr + 1 hack.
7194 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7196 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7197 with aggregates here.
7198 (find_func_aliases): Remove code for &<aggregate> from here.
7200 2006-02-26 Roger Sayle <roger@eyesopen.com>
7202 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7203 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7204 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7207 2006-02-26 Roger Sayle <roger@eyesopen.com>
7210 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7212 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7214 * opts.c (decode_options): Do not handle flag_strength_reduce.
7215 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7216 and OPT_fstrength_reduce.
7217 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7218 flag_prefetch_loop_arrays for being nonzero.
7219 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7221 (fprefetch-loop-arrays-rtl): Removed.
7222 (flag_prefetch_loop_arrays): Do not specify the value.
7224 * doc/passes.texi: Update documentation of loop optimizer
7226 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7227 -frerun-loop-opt): Remove.
7229 2006-02-26 Richard Guenther <rguenther@suse.de>
7231 PR tree-optimization/26421
7232 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7233 in function calls that are ADDR_EXPRs as using the whole structure.
7235 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7237 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7238 * tree-pass.h (pass_loop_optimize): Remove.
7239 * passes.c (pass_loop_optimize): Never run it.
7240 * toplev.c (backend_init): Don't call init_loop.
7241 * opts.c (flag_loop_optimize_set): Remove.
7242 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7243 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7244 the old RTL loop optimizer when profiling enabled.
7245 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7246 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7247 pre-headers for the sake of the old RTL loop optimizer.
7248 * Makefile.in: Remove all references to loop.o.
7250 * doc/invoke.texi: Remove all references to -floop-optimize
7251 and -frerun-loop-opt.
7253 2006-02-26 Zack Weinberg <zackw@panix.com>
7255 * doc/md.texi (Machine Constraints): Refer to all files with paths
7256 relative to gcc directory (i.e. config/CPU/file). Add missing
7257 @table @code ... @end table to M32C subsection.
7259 2006-02-26 Roger Sayle <roger@eyesopen.com>
7261 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7263 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7265 2006-02-26 Roger Sayle <roger@eyesopen.com>
7266 James A. Morrison <phython@gcc.gnu.org>
7269 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7270 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7271 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7272 signedness of the shift operation.
7274 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7276 PR tree-optimization/26359
7277 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7279 2006-02-25 Roger Sayle <roger@eyesopen.com>
7281 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7282 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7283 as X == 0, and some symmetry related transformations.
7284 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7286 2006-02-25 Roger Sayle <roger@eyesopen.com>
7289 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7290 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7291 symmetry related transformations. Fold (X^C1) == C2 as
7294 2006-02-25 Juergen Weigert <jw@suse.de>
7295 Richard Guenther <rguenther@suse.de>
7297 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7299 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7301 * combine.c (gen_lowpart_or_truncate): Call
7302 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7304 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7306 * doc/invoke.texi: Move -fopenmp description to "Options for
7308 Remove reference to -lgomp.
7310 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7312 * doc/install.texi: Require GNU tar version 1.14.
7314 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7316 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7317 * doc/invoke.texi (C++ Dialect Options): Document
7318 -fno-use-cxa-get-exception-ptr.
7319 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7320 * configure: Regenerate.
7321 * c.opt (fuse-cxa-get-exception-ptr): New.
7322 * c-opts.c (c_common_handle_option): Handle
7323 OPT_fuse_cxa_get_exception_ptr.
7324 * c-common.c (flag_use_cxa_atexit): Update documentation.
7325 (flag_use_cxa_get_exception_ptr): New.
7326 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7327 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7329 (C_COMMON_OVERRIDE_OPTIONS): New.
7331 2006-02-24 Roger Sayle <roger@eyesopen.com>
7334 * combine.c (try_combine): Explicitly check whether GET_CODE is
7335 a SET or a CLOBBER, instead on checking that it isn't a USE.
7337 2006-02-24 Roger Sayle <roger@eyesopen.com>
7339 * fold-const.c (fold_comparison): New subroutine of fold_binary
7340 containing transformations common to both the equality and
7341 ordering relational operators, factored out of fold_binary.
7342 (fold_binary): Separate out the equality operators (EQ_EXPR
7343 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7344 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7345 transformations common to both.
7346 (fold_div_compare): Fix latent bugs in the previously unreachable
7347 LT_EXPR and GE_EXPR cases.
7349 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7351 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7352 decl libname for clog to __clog on AIX.
7354 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7356 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7359 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7360 output traceback table for thunks. Localise rs6000_stack_info call.
7362 2006-02-23 Roger Sayle <roger@eyesopen.com>
7363 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7365 * gthr-posix.h (__gthrw): Fix typo in comment.
7367 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7369 * doc/cpp.texi (Character sets): Document that we do support
7370 input files to be in any character set.
7372 2006-02-23 Jeff Law <law@redhat.com>
7374 * tree.h (PHI_ARG_NONZERO): Remove.
7375 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7376 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7377 node to the new node.
7379 PR tree-optimization/26425
7380 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7381 min/max, then assume its varying.
7383 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7385 PR rtl-optimization/26316
7386 * rtlanal.c (enum may_trap_p_flags): New.
7387 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7388 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7389 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7390 (may_trap_after_code_motion_p): New function.
7391 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7392 (find_invariant_insn): Use may_trap_after_code_motion_p.
7393 * rtl.h (may_trap_after_code_motion_p): Declare.
7395 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7397 * emit-rtl.c (immed_double_const): Cleanup.
7399 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7401 Fix PR tree-optimization/26376
7402 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7405 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7408 * gimplify.c (omp_add_variable): Guard variable size decl test with
7409 DECL_SIZE (decl) check.
7411 2006-02-23 Richard Guenther <rguenther@suse.de>
7414 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7415 like aggregate types.
7417 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7419 * configure.ac: Add --with{,out}-long-double-128 configure option.
7420 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7421 * configure: Rebuilt.
7422 * config.in: Rebuilt.
7423 * doc/install.texi (Options specification): Document
7424 --with-long-double-128.
7426 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7427 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7428 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7429 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7431 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7433 * config/s390/s390.c (override_options): Handle
7434 TARGET_DEFAULT_LONG_DOUBLE_128.
7436 * config/alpha/alpha.c (override_options): Handle
7437 TARGET_DEFAULT_LONG_DOUBLE_128.
7439 * config/sparc/sparc.c (sparc_override_options): Handle
7440 TARGET_DEFAULT_LONG_DOUBLE_128.
7442 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7444 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7445 (real-install-headers-tar, real-install-headers-cpio)
7446 (real-install-headers-cp): New targets.
7448 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7450 * tree.h (variable_section): Delete.
7451 * varasm.c (variable_section): Delete.
7453 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7455 * install.texi: Add notes on install.texi2html.
7456 (Building in parallel): Do not use footnotes.
7458 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7461 * doc/install.texi (Configuration): Document --disable-libgomp.
7463 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7465 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7467 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7469 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7470 (vec_extractv2df_0_sse): New.
7472 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7474 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7475 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7476 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7477 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7478 to the result of the expression.
7479 (def_cfa_1): Adjust.
7480 (frame_pointer_cfa_offset): Rename to...
7481 (frame_pointer_fb_offset): ... this. Adjust all uses.
7482 (convert_cfa_to_loc_list): Rename to...
7483 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7484 Pass it on to build_cfa_loc.
7485 (compute_frame_pointer_to_cfa_displacement): Rename to...
7486 (compute_frame_pointer_to_fb_displacement): ... this. New
7487 offset parameter. Use it in computation.
7488 (gen_subprogram_die): Compute cfa_fb_offset with the new
7489 macro, and use it to compute the fb loc list and the
7492 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7494 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7495 replaced with register_operand.
7496 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7497 non-DREG is expensive.
7498 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7499 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7502 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7504 * doc/install.texi2html: Use set -e.
7506 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7508 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7509 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7510 * doc/invoke.texi (-fshared-data): Delete.
7511 * common.opt (fshared-data): Delete.
7512 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7513 (assemble_static_space): Remove #if 0 code.
7514 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7515 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7516 * config/cris/cris.h: Remove FIXME.
7518 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7520 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7523 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7526 * combine.c (simplify_shift_const_1): Disable nested shifts
7527 optimization for vector shifts.
7529 2006-02-20 Roger Sayle <roger@eyesopen.com>
7531 PR tree-optimization/26361
7532 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7533 of unsigned integer types.
7535 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7537 * tree-chrec.c (eq_evolutions_p): New.
7538 * tree-chrec.h (eq_evolutions_p): Declared.
7539 * tree-data-ref.c: Fix formatting.
7540 (datadep_stats, dependence_stats): New.
7542 (print_direction_vector): New.
7543 (dump_data_dependence_relation): Use print_direction_vector.
7544 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7545 (compute_subscript_distance): Static.
7546 (initialize_data_dependence_relation): Static. Get the number
7547 of loops surrounding the references from the callers, and initialize
7548 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7549 base_object_differ_p analyzers.
7550 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7551 compute_overlap_steps_for_affine_1_2,
7552 analyze_subscript_affine_affine): Count the classified dependences.
7553 Print a message when a test failed.
7554 (can_use_analyze_subscript_affine_affine): New.
7555 (analyze_siv_subscript): Compute the data dependences on symbolic
7556 scevs that verify can_use_analyze_subscript_affine_affine.
7557 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7558 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7559 Handle symbolic scevs.
7560 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7562 (subscript_dependence_tester): Moved...
7563 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7564 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7565 DDR_SIZE_VECT instead of getting it in parameter.
7566 (subscript_dependence_tester): ... here. Take as a parameter
7567 loop_nest_depth. Call build_classic_dist_vector and
7568 build_classic_dir_vector.
7569 (compute_affine_dependence): Update subscript_dependence_tester
7570 parameters. Update datadep_stats counters. Call
7571 compute_subscript_distance.
7572 (compute_self_dependence): Save the dist and dir vectors. Call
7573 compute_subscript_distance.
7574 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7575 (compute_all_dependences): Reorder parameters as they were before
7576 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7577 compute_subscript_distance. Update the use of
7578 compute_affine_dependence and initialize_data_dependence_relation.
7579 (find_data_references_in_loop): Handle COMPONENT_REF.
7580 (compute_data_dependences_for_loop): Initialize dependence_stats.
7581 Don't call build_classic_dist_vector and build_classic_dir_vector.
7582 Update the parameters of initialize_data_dependence_relation and
7583 compute_all_dependences. Print the statistics from datadep_stats.
7584 (analyze_all_data_dependences): Static. Not used until the pass for
7585 checking the data dependences is contributed.
7586 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7587 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7588 (initialize_data_dependence_relation, compute_affine_dependence,
7589 analyze_all_data_dependences, compute_subscript_distance): Removed.
7590 (print_direction_vector): New.
7591 * lambda.h (gcd): ... here.
7592 (lambda_vector_gcd): Moved here from gcd_vector.
7593 * lambda-code.c (gcd, gcd_vector): Removed.
7594 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7595 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7597 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7599 * ipa-type-escape.c: Tidy some comments and white space.
7600 * tree-ssa-operands.c: Likewise.
7602 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7605 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7606 (dump_decl_name): Do not walk the decl tree chains.
7607 * tree-pass.h (TDF_CHAIN): Remove.
7609 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7611 * Makefile.in (C): Remove
7613 (.PHONY): Remove C and PROTO
7615 2006-02-20 Roger Sayle <roger@eyesopen.com>
7618 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7619 deprecated CHAR_TYPE tree code.
7621 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7623 * configure.ac (target_list): Add install-info, dvi, html.
7624 * configure: Regenerate.
7626 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7627 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7628 treelang/Make-lang.in: Do not use double-colon rules.
7630 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7632 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7633 (TMT_USED_ALONE): New macro.
7634 * tree-pass.h (PROP_tmt_usage): New property.
7635 (TODO_update_tmt_usage): New todo.
7636 * tree-ssa-alias.c (updating_used_alone): New variable.
7637 (recalculate_used_alone): New function.
7638 (compute_may_aliases): Set updating_used_alone, call
7639 recalculate_used_alone.
7640 * tree-sra.c (pass_sra): Note that this pass destroys
7641 PROP_tmt_usage, and add TODO_update_tmt_usage.
7642 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7643 * tree-flow.h (updating_used_alone): Prototype.
7644 (recalculate_used_alone): Ditto.
7645 * passes.c (execute_todo): Add code to set updating_used_alone,
7646 and call recalculate.
7647 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7648 for clobber if used alone, and add assert to verify used_alone
7651 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7653 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7654 for non tls symbols added.
7655 (legitimize_address): Do nothing for PLUS expressions if one of the
7656 addends is a tls symbol reference.
7658 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7662 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7664 * Makefile.in (BOOTSTRAPPING): New.
7665 (quickstrap): New definition if BOOTSTRAPPING=yes.
7667 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7668 * configure.ac: Substitute all_selected_languages with the languages
7669 that were configured. For all the other variables except
7670 lang_specs_files, include all the languages in the tree.
7671 * configure: Regenerate.
7673 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7674 if there is one. Run the commands to run fixincludes in the same
7677 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7678 * doc/install.texi: Document exact conventions for searching target tools.
7679 Document --with-build-time-tools. Document toplevel bootstrap. Document
7680 something more about building an Ada cross-compiler. Don't list GNU Make
7681 requirements which affect all platforms.
7683 2006-02-19 Roger Sayle <roger@eyesopen.com>
7686 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7687 only equivalent if the have both the same mode and precision.
7689 2006-02-20 Ben Elliston <bje@au.ibm.com>
7691 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7693 2006-02-19 Roger Sayle <roger@eyesopen.com>
7694 Steven Bosscher <stevenb.gcc@gmail.com>
7696 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7697 constant pool references to identify stack mode constants.
7698 * rtlanal.c (constant_pool_constant_p): New predicate to check
7699 whether operand is a floating point constant in the pool.
7700 * rtl.h (constant_pool_constant_p): Prototype here.
7701 * loop.c (scan_loop): Avoid hoisting constants from the constant
7702 pool on STACK_REGS targets.
7703 (load_mems): Likewise.
7704 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7705 loads into x87 registers expensive in terms of register pressure.
7707 2006-02-19 Roger Sayle <roger@eyesopen.com>
7709 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7710 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7712 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7714 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7715 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7717 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7719 * doc/invoke.texi: Document -fipa-pta.
7720 * common.opt: Add ipa-pta option.
7721 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7722 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7723 (do_ds_constraint): Ditto.
7724 (get_constraint_for): Only add to referenced_vars if
7725 referenced_vars exists.
7726 (insert_into_field_list): Rewrite to do this unsorted.
7727 (insert_into_field_list_sorted): Rename old insert_into_field_list
7729 (create_function_info_for): Use insert_into_field_list_sorted.
7730 (create_variable_info_for): Rewrite so it uses unsorted version,
7731 since the field list is sorted.
7732 (intra_create_variable_infos): Only add to referenced_vars if
7733 referenced_vars exists.
7734 (ipa_pta_execute): Init heapvars, and delete when done.
7735 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7737 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7739 * doc/install.texi: Add missing `@samp'.
7741 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7743 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7746 2006-02-18 Mark Wielaard <mark@klomp.org>
7748 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7749 who added new 4.1 features, bug fixes and integration support.
7751 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7754 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7757 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7759 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7760 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7761 (copy_insn_1): Likewise. Don't copy each field individually.
7763 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7765 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7766 * rtl.c (rtx_size): Rename variable to...
7767 (rtx_code_size): ...this.
7768 (rtx_size): New function.
7769 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7770 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7772 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7773 * rtl.h (rtx_code_size): New variable.
7774 (rtx_size): Change from a variable to a function.
7775 (RTX_SIZE): Rename to...
7776 (RTX_CODE_SIZE): ...this.
7779 PR tree-optimization/17106
7780 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7781 (Anchored Addresses): New section.
7782 * doc/invoke.texi (-fsection-anchors): Document.
7783 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7784 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7785 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7786 * hooks.c (hook_bool_mode_rtx_false): New function.
7787 * hooks.h (hook_bool_mode_rtx_false): Declare.
7788 * gengtype.c (create_optional_field): New function.
7789 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7790 SYMBOL_REF_IN_BLOCK_P is true.
7791 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7792 (min_anchor_offset, max_anchor_offset): Likewise.
7793 (use_anchors_for_symbol_p): New hook.
7794 * toplev.c (compile_file): Call output_object_blocks.
7795 (target_supports_section_anchors_p): New function.
7796 (process_options): Check that -fsection-anchors is only used on
7797 targets that support it and when -funit-at-a-time is in effect.
7798 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7799 if the decl doesn't have one.
7800 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7801 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7802 of force_const_mem through use_anchored_address.
7803 (expand_expr_constant): New function.
7804 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7805 calling expand_expr for INDIRECT_REF.
7806 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7807 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7808 * expr.h (use_anchored_address): Declare.
7809 * loop-unroll.c: Don't declare rtx vectors here.
7810 * explow.c: Include output.h.
7811 (validize_mem): Call use_anchored_address.
7812 (use_anchored_address): New function.
7813 * common.opt (-fsection-anchors): New switch.
7814 * varasm.c (object_block_htab, anchor_labelno): New variables.
7815 (hash_section, object_block_entry_eq, object_block_entry_hash)
7816 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7817 (use_blocks_for_decl_p, change_symbol_section): New functions.
7818 (get_variable_section): New function, split out from assemble_variable.
7819 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7820 use_blocks_for_decl_p say so. Use change_symbol_section if the
7821 symbol has already been created.
7822 (assemble_variable_contents): New function, split out from...
7823 (assemble_variable): ...here. Don't output any code for
7824 block symbols; just pass them to place_block_symbol.
7825 Use get_variable_section and assemble_variable_contents.
7826 (get_constant_alignment, get_constant_section, get_constant_size): New
7827 functions, split from output_constant_def_contents.
7828 (build_constant_desc): Create a block symbol if use_object_blocks_p
7829 says so. Or into SYMBOL_REF_FLAGS.
7830 (assemble_constant_contents): New function, split from...
7831 (output_constant_def_contents): ...here. Don't output any code
7832 for block symbols; just pass them to place_section_symbol.
7833 Use get_constant_section and get_constant_alignment.
7834 (force_const_mem): Create a block symbol if use_object_blocks_p and
7835 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7836 (output_constant_pool_1): Add an explicit alignment argument.
7837 Don't switch sections here.
7838 (output_constant_pool): Adjust call to output_constant_pool_1.
7839 Switch sections here instead. Don't output anything for block symbols;
7840 just pass them to place_block_symbol.
7841 (init_varasm_once): Initialize object_block_htab.
7842 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7843 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7844 (place_block_symbol, get_section_anchor, output_object_block)
7845 (output_object_block_htab, output_object_blocks): New functions.
7846 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7847 (TARGET_ASM_OUT): Include it.
7848 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7849 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7850 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7851 (TARGET_INITIALIZER): Include them.
7852 * rtl.c (rtl_check_failed_block_symbol): New function.
7853 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7854 (block_symbol, object_block): New structures.
7855 (rtx_def): Add a block_symbol field to the union.
7856 (BLOCK_SYMBOL_CHECK): New macro.
7857 (rtl_check_failed_block_symbol): Declare.
7858 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7859 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7860 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7861 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7862 * output.h (output_section_symbols): Declare.
7863 (object_block): Name structure.
7864 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7865 (default_use_anchors_for_symbol_p): Declare.
7866 * Makefile.in (RTL_BASE_H): Add vec.h.
7867 (explow.o): Depend on output.h.
7868 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7869 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7870 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7871 (rs6000_use_blocks_for_constant_p): New function.
7873 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7875 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7877 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7880 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7883 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7885 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7889 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7892 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7893 instead of DECL_REGISTER.
7895 2006-02-18 Olivier Hainque <hainque@adacore.com>
7898 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7900 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7903 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7904 * opth-gen.awk: Handle Var and InverseMask together.
7905 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7906 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7907 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7908 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7910 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7911 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7912 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7913 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7914 LINUX_DYNAMIC_LINKER): Define.
7915 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7916 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7918 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7919 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7920 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7922 (TARGET_C99_FUNCTIONS): Don't define.
7923 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7924 GLIBC_DYNAMIC_LINKER.
7925 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7926 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7927 GLIBC_DYNAMIC_LINKER64): Define.
7928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7929 LINUX_DYNAMIC_LINKER64.
7930 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7932 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7934 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7936 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7937 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7938 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7940 and LINUX_DYNAMIC_LINKER32.
7941 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7943 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7945 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7947 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7948 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7949 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7950 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7951 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7952 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7953 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7954 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7955 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7956 LINUX_DYNAMIC_LINKER): Define.
7957 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7958 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7959 GLIBC_DYNAMIC_LINKER64): Define.
7960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7961 LINUX_DYNAMIC_LINKER64.
7962 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7963 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7964 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7965 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7966 LINUX_DYNAMIC_LINKER): Define.
7967 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7968 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7969 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7970 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7971 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7972 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7973 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7974 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7975 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7976 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7977 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7978 * doc/invoke.texi (-muclibc): Remove caveat about supported
7981 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7983 * doc/cpp.texi (__TIMESTAMP__): Document.
7985 2006-02-17 Roger Sayle <roger@eyesopen.com>
7988 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7989 C is one less than the width of X (and related transformations).
7990 * simplify-rtx.c (simplify_unary_operation_1): Transform
7991 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7992 depending on STORE_FLAG_VALUE, were C is one less then the
7995 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7997 Fix PR tree-optimization/26341
7998 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7999 about NAME_MEMORY_TAG's.
8001 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8004 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8005 with hardware float support, and software float support. Add fcpy
8006 alternative to hardware patterns. Add alternatives to copy between
8007 general and floating-point registers to the 32-bit pattern.
8008 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8009 secondary reload to load a QI or HI mode constant into a floating
8011 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8012 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8014 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8017 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8019 (load_macho_picbase_di): Likewise.
8021 2006-02-16 Jeff Law <law@redhat.com>
8023 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8024 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8025 (ssa_name_nonzero_p): Likewise.
8026 (get_value_range): Return NULL if VRP is not running.
8027 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8028 VRP routines do not discover a range.
8029 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8030 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8031 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8032 (tree_expr_nonnegative_p): Similarly.
8033 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8034 (restore_nonzero_vars_to_original_value): Remove.
8035 (unsafe_associative_fp_binop): Remove.
8036 (tree_ssa_dominator_optimize): Remove initialization and
8037 finalization of nonzero_vars and nonzero_vars_stack.
8038 (dom_opt_initialize_block): No longer push marker on
8040 (dom_opt_finalize_block): No longer call
8041 restore_nonzero_vars_to_original_value.
8042 (record_equivalences_from_phis): No longer look for
8043 nonzero PHI arguments.
8044 (cprop_into_successor_phis): No longer propagate nonzero
8045 property into PHI arguments. Lose unused argument. Caller
8047 (record_equivalences_from_stmt): No longer record nonzero
8048 values for SSA_NAMEs.
8049 (lookup_avail_expr): No longer use nonzero_vars.
8051 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8052 for sizetype when sizetype is unsigned.
8054 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8056 PR rtl-optimization/25603
8057 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8058 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8059 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8060 with new meaning of SETS.
8062 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8067 * config/linux.opt: New file.
8068 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8069 LINUX_DYNAMIC_LINKER): Define.
8070 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8071 * config.gcc (*-*-linux*): Define extra_options.
8072 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8073 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8074 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8075 GLIBC_DYNAMIC_LINKER.
8076 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8077 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8078 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8080 * doc/invoke.texi (GNU/Linux Options): New section.
8082 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8084 * config/sparc/sparc.md (setjmp): Rewrite.
8085 (setjmp_32): Delete.
8086 (setjmp_64): Likewise.
8088 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8090 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8093 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8095 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8098 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8100 PR rtl-optimization/26296
8101 * Makefile.in (loop-invariant.c): Add except.h dependency.
8102 * loop-invariant.c: Include except.h.
8103 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8105 2005-02-16 Paul Brook <paul@codesourcery.com>
8107 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8110 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8112 PR rtl-optimization/25636
8113 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8114 when deciding whether an insn is an initializing insn.
8116 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8118 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8119 (tree_code_size): Ditto.
8120 * tree.h (struct tree_memory_tag): Remove parent_var.
8121 (struct tree_struct_field_tag): New.
8124 (union tree_node): Add sft member.
8125 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8127 (create_sft): Add size and offset argument, set SFT_OFFSET and
8129 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8130 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8131 * tree-flow-inline.h (get_subvar_at): Update for
8132 SFT_OFFSET/SFT_SIZE.
8133 (var_can_have_subvars): Ditto.
8134 (overlap_subvar): Ditto.
8135 * print-tree.c (print_node): Print out interesting things for
8137 * tree-flow.h (struct subvar): Remove offset and size members.
8138 * tree-ssa-operands.c (get_expr_operands): Update for
8139 get_indirect_ref_operands changes.
8140 (get_indirect_ref_operands): Call add_virtual_operand instead of
8141 add_stmt_operand. Only recurse on base var if requested.
8142 (access_can_touch_variable): New function.
8143 (add_stmt_operand): Split virtual operand handling into ...
8144 (add_virtual_operand): Here. Add offset, size, and for_clobber
8145 arguments. Prune alias sets.
8146 (add_call_clobber_ops): Call add_virtual_operand.
8148 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8151 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8153 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8154 than TREE_CODE as index into omp_clause_num_ops array.
8156 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8158 PR rtl-optimization/26184
8159 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8161 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8162 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8163 must_precede, must_follow and tobe_scheduled.
8166 * opts.c (common_handle_option): Free new_option pointer.
8167 * df-core.c (df_analyze): Free postorder pointer.
8169 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8171 * Makefile.in: Fix the examples about the use of stamps
8173 2006-02-15 Michael Matz <matz@suse.de>
8177 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8178 influenced by maximum_field_alignment or DECL_PACKED.
8179 (update_alignment_for_field): Ditto.
8180 (place_field): Ditto.
8181 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8184 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8186 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8187 (debug_flow_info): Pass it.
8188 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8189 * bb-reorder.c (reorder_basic_blocks): Likewise.
8190 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8191 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8192 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8193 * gcse.c (gcse_main, bypass_jumps): Likewise.
8194 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8195 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8196 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8197 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8198 * rtl.h (dump_flow_info): Adjust prototype.
8199 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8200 * var-tracking.c (variable_tracking_main): Likewise.
8201 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8202 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8205 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8207 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8210 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8212 PR tree-optimization/26209
8213 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8214 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8216 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8218 2006-02-14 Roger Sayle <roger@eyesopen.com>
8221 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8222 (X,Y) and the corresponding symmetry related transformations.
8223 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8224 (X,Y) and its symmetry related transformations.
8226 2006-02-14 Roger Sayle <roger@eyesopen.com>
8228 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8231 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8233 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8235 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8238 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8239 support COMDAT group.
8240 * configure: Regenerate.
8242 2006-02-14 Roger Sayle <roger@eyesopen.com>
8247 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8249 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8251 Fix PR tree-optimization/26260
8253 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8255 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8256 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8257 * tree-ssa-structalias.c (create_variable_info_for): Use
8258 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8260 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8262 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8264 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8265 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8266 of the ending condition.
8267 * tree-ssa-loop-manip.c: Include params.h.
8268 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8269 tree_unroll_loop): New functions.
8270 * tree-pass.h (pass_loop_prefetch): Declare.
8271 * loop.c (rest_of_handle_loop_optimize): Test for
8272 -fprefetch-loop-arrays-rtl.
8273 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8274 * timevar.def (TV_TREE_PREFETCH): New timevar.
8275 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8276 pass_loop_prefetch): New.
8277 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8278 (cleanup_tree_cfg_loop): Call scev_reset.
8279 * common.opt (fprefetch-loop-arrays-rtl): Add.
8280 * tree-ssa-loop-prefetch.c: New file.
8281 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8282 (new_temp_expr_table): Initialize expr_vars.
8283 (free_temp_expr_table): Cleanup expr_vars.
8284 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8285 expressions from being merged into one.
8286 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8287 (struct tree_niter_desc): Add control, bound and cmp fields.
8288 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8290 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8291 (tree-cfgcleanup.o): Add SCEV_H dependency.
8292 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8293 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8295 2006-02-14 Richard Guenther <rguenther@suse.de>
8297 PR tree-optimization/26258
8298 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8299 in PHI argument processing.
8301 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8303 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8304 new expression in the requested machine mode.
8306 2006-02-13 Roger Sayle <roger@eyesopen.com>
8308 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8309 directly, instead let do_compare_rtx_and_jump handle this for us.
8310 * expr.c (expand_expr_real_1): Likewise.
8311 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8312 before do_jump_by_parts_greater.
8313 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8314 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8316 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8318 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8320 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8322 PR rtl-optimization/26235
8323 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8324 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8327 2006-02-13 Jeff Law <law@redhat.com>
8329 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8332 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8335 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8336 twice if decl is a builtin. When trying again, call get_callee_fndecl
8337 first to verify it is still a builtin.
8339 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8341 * dwarf2out.c (base_type_die): Don't add AT_name here.
8342 (subrange_type_die): Don't add AT_name here.
8343 (modified_type_die): Rearrange code flow. Do add AT_name here.
8345 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8347 PR rtl-optimization/26247
8348 PR rtl-optimization/26248
8349 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8351 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8353 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8354 * config/fixtfdi.c: Likewise.
8355 * config/fixunstfdi.c: Likewise.
8356 * config/floatditf.c: Likewise.
8358 2006-02-13 Roger Sayle <roger@eyesopen.com>
8361 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8362 into (X,C2) if C1 is a subset of the bits of C2. Transform
8363 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8365 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8367 2006-02-13 Josh Conner <jconner@apple.com>
8370 * varasm.c (function_section): Check for section name before
8371 calling select_section on targets that define
8372 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8373 unlikely_text_section instead of hot_function_section if
8374 first_function_block_is_cold.
8376 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8379 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8381 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8383 PR rtl-optimization/26222
8384 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8385 after tree->rtl expansion.
8386 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8387 before passing it to emit_move_insn.
8389 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8391 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8393 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8394 Clarify documentation.
8395 * c-common.h (warn_write_strings): Remove.
8396 * c-common.c (warn_write_strings): Likewise.
8397 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8400 2006-02-12 Roger Sayle <roger@eyesopen.com>
8403 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8404 (do_jump_parts_zero_rtx): New function renamed from
8405 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8406 (do_jump_parts_equality_rtx): New function split out from
8407 do_jump_parts_equality. Old implementation renamed as above.
8408 Call do_jump_parts_zero_rtx if either operand is zero.
8409 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8410 do all of the heavy lifting.
8411 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8412 calling either do_jump_by_parts_greater_rtx or
8413 do_jump_by_parts_equality_rtx.
8414 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8415 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8416 moved to do_compare_rtx_and_jump, call it directly.
8417 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8418 mode argument. Call do_compare_rtx_and_jump.
8419 (emit_case_nodes): Update calls to do_jump_if_equal.
8421 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8423 PR rtl-optimization/26225
8424 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8426 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8428 PR rtl-optimization/26232
8429 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8431 2006-02-11 Jason Merrill <jason@redhat.com>
8434 * tree-inline.c (declare_return_variable): Just don't use the
8435 modify target if it's a gimple complex reg and the return slot
8438 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8440 * doc/contrib.texi: Update my entry.
8442 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8444 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8446 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8448 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8451 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8453 * doc/invoke.texi (-floop-optimize2): Removed.
8454 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8455 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8456 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8457 * common.opt (floop-optimize2): Removed.
8458 (fmove-loop-invariants): Enabled by default.
8460 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8462 * tree-if-conv.c (combine_blocks): Free the result of
8463 get_loop_exit_edges.
8465 2006-02-10 Jeff Law <law@redhat.com>
8467 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8469 PR tree-optimization/26213
8470 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8471 loop trying to follow SSA_NAME_VALUE chains.
8473 2006-02-10 Richard Guenther <rguenther@suse.de>
8475 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8476 deal with structures that end in implicitly variable sized arrays.
8478 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8480 PR rtl-optimization/24762
8481 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8484 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8486 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8487 (struct ivopts_data): Add regs_used field.
8488 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8489 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8490 instead of loop_data->regs_used;
8491 (free_loop_data): Do not free aux fields for loops.
8492 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8493 and tree_ssa_iv_optimize_finalize.
8495 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8497 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8499 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8502 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8503 computing the effective result type.
8505 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8508 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8509 (tree_overlaps_hard_reg_set): Declare.
8510 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8511 type and signature to match function type expected by walk_tree.
8512 (tree_overlaps_hard_reg_set): New function.
8513 (decl_conflicts_with_clobbers_p): Rename to:
8514 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8515 Use tree_overlaps_hard_reg_set. Changed caller.
8516 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8517 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8518 * cris.c (cris_md_asm_clobbers): Likewise.
8520 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8522 * reload1.c (emit_input_reload_insns): Delete code that tries to
8523 inherit using find_equiv_reg.
8525 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8527 * c-common.h (flag_const_strings): Don't declare.
8528 * c-common.c (flag_const_strings): Remove.
8529 * c.opt (fconst_strings): Remove.
8530 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8531 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8532 (c_common_init_options): Don't set flag_const_strings.
8533 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8535 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8537 * arm.md (tlobits_cbranch): New pattern.
8538 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8539 testing a single bit.
8541 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8544 * tree-ssa-pre.c (create_component_ref_by_pieces):
8545 Handle RETURN_DECL like VAR_DECL.
8547 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8550 * fold-const.c (fold_indirect_ref_1): Fold
8551 "*(foo *)&complexfoo" to "__real__ complexfoo"
8552 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8554 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8556 * tree-flow-inline.h (var_can_have_subvars):
8557 Volatile variables should not have subvariables.
8559 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8562 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8563 multiplying unsigned values.
8566 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8568 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8570 2006-02-08 Jason Merrill <jason@redhat.com>
8573 * tree.def: Elaborate on difference from MODIFY_EXPR.
8574 * doc/c-tree.texi (INIT_EXPR): Likewise.
8575 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8576 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8577 (gimplify_target_expr): Likewise.
8578 (gimplify_cond_expr): Remove target handling.
8579 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8580 (gimplify_expr): Clobber it here.
8581 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8582 Do return slot optimization if we have an INIT_EXPR.
8585 * tree-inline.c (declare_return_variable): Also clear
8586 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8589 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8592 * gimplify.c (gimplify_one_sizepos): Fix typo.
8594 2006-02-08 Jeff Law <law@redhat.com>
8596 PR tree-optimization/21417
8597 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8598 across a backedge if the control statement at the end of the
8599 block is data dependent on other statements in the same block.
8600 (record_temporary_equivalences_from_stmts): Remove over-conservative
8601 test for threading across backedges.
8603 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8604 control statement, handle all three special cases in the same
8605 manner as they all have the same desired solution. No longer
8606 special case edge flag updating when the post dominator is
8609 2006-02-08 Roger Sayle <roger@eyesopen.com>
8611 * tree.def (CHAR_TYPE): Remove.
8612 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8613 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8614 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8615 (gen_string_type_die): Delete unreachable function.
8617 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8618 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8619 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8620 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8621 * builtins.c (type_to_class): Likewise.
8622 * fold-const.c (fold_convert, build_range_check,
8623 merge_ranges): Likewise.
8624 * expr.c (count_type_elements): Likewise.
8625 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8626 * stor-layout.c (layout_type): Likewise.
8627 * ipa-type-escape.c (type_to_consider): Likewise.
8628 * gimplify.c (omp_firstprivatize_type_sizes,
8629 gimplify_type_sizes): Likewise.
8630 * explow.c (promote_mode): Likewise.
8631 * tree-sra.c (is_sra_scalar_type): Likewise.
8632 * varasm.c (output_constant): Likewise.
8633 * tree-inline.c (remap_type_1): Likewise.
8634 * convert.c (convert_to_pointer, convert_to_real,
8635 convert_to_integer, convert_to_complex): Likewise.
8637 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8639 * df-scan.c (df_def_record_1): A set destination may
8640 be a parallel regardless of mode.
8642 2006-02-08 Roger Sayle <roger@eyesopen.com>
8645 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8646 * config/mips/_tilib.c: Remove.
8647 * config/fixtfdi.c: New libgcc source file.
8648 * config/fixunstfdi.c: New source file.
8649 * config/floatditf.c: New source file.
8650 * config/floatunditf.c: New souce file.
8651 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8652 files above instead of config/mips/_tilib.c.
8653 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8655 2006-02-08 Jeff Law <law@redhat.com>
8657 PR tree-optimization/26169
8658 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8661 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8663 * df.h (DF_REG_SIZE): Return the length of the initialized
8666 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8668 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8669 __muldf3): Return a correctly signed zero.
8671 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8673 * passes.c (register_one_dump_file): Accept the current properties
8674 instead of pass number. Adjust call to dump_register. Remove
8676 (register_dump_files): Now a wrapper around...
8677 (register_dump_files_1): ... this one. Do not modify the pass
8679 (next_pass_1): Cosmetic fix.
8680 (execute_todo): Keep second parameter only. Use curr_properties
8681 instead of fetching it from the pass structure. Check and set
8683 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8684 instead of fetching it from the pass structure. Fix calls to
8685 execute_todo. Update curr_properties and initialize .vcg RTL dump
8686 after running the pass. Reset last_verified.
8687 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8689 (FIRST_AUTO_NUMBERED_DUMP): New.
8690 (dump_register): Remove "num" parameter, assign it within the
8692 (get_dump_file_name): Modify template for dumps.
8693 * tree-dump.h (dump_register): Adjust prototype.
8694 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8695 (PROP_trees): Add PROP_gimple_lomp.
8696 (TODO_set_props): New.
8697 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8698 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8699 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8701 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8703 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8704 (sparc64-*-linux*): Likewise.
8705 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8706 * config/sparc/t-linux: New file.
8707 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8708 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8709 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8710 -m32 -mlong-double-128.
8712 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8713 * config/alpha/t-linux: New file.
8714 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8716 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8717 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8718 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8719 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8720 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8721 (CPP_ARCH32_SPEC): Remove.
8723 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8725 PR tree-optimization/26145
8726 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8729 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8732 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8733 >= 240000 when generating code for SOM runtime.
8734 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8735 to $$dyncall when generating code for SOM runtime..
8737 2006-02-07 Dirk Mueller <dmueller@suse.com>
8740 * doc/invoke.texi (-Wsequence-point): Update documentation
8741 that -Wsequence-point is implemented for C++ as well.
8743 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8745 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8746 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8747 (LIB_SPEC): Likewise.
8748 * doc/invoke.texi (SPARC options): Document -pthread.
8750 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8752 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8755 2006-02-07 Roger Sayle <roger@eyesopen.com>
8757 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8758 Correct comment describing BOOLEAN_TYPE.
8760 2006-02-07 Dirk Mueller <dmueller@suse.com>
8762 * c.opt: C++ frontend supports -Wdiv-by-zero.
8763 * c-opts.c (c_common_handle_option): Remove dead case.
8765 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8767 * configure.ac (TLS assembler check): Do not enable TLS by
8768 default on SPARC/Solaris before version 10.
8769 * configure: Regenerate.
8771 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8773 * doc/invoke.texi (xl-compat): Document conversion and support
8776 2006-02-07 Jeff Law <law@redhat.com>
8778 * tree-vrp.c (find_conditional_asserts): Update comments.
8779 (simplify_stmt_for_jump_threading): New.
8780 (identify_jump_threads, finalize_jump_threads): New.
8781 (vrp_finalize): Call identify_jump_threads.
8782 (execute_vrp): Call finalize_jump_threads.
8783 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8784 (vrp_element, vrp_data, vrp_element_p): Remove.
8785 (vrp_hash_elt, vrp_variables_stack): Remove.
8786 (vrp_hash, vrp_eq, record_range): Remove.
8787 (simplify_cond_and_lookup_avail_expr): Remove.
8788 (extract_range_from_cond): Remove.
8789 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8790 (simplify_stmt_for_jump_threading): New.
8791 (dom_thread_across_edge): New wrapper.
8792 (tree_ssa_dominator_optimize): No longer initialize or
8793 finalize any of the VRP datastructures. Remove iteration
8794 step and simplify as a result of removal of iteration step.
8795 (pass_dominator): Perform a cfg cleanup after DOM.
8796 (dom_opt_finalize_block): Use the new common routines
8797 for threading jumps. Simplify stack management slightly.
8798 No longer need to unwind VRP state.
8799 (record_equivalences_from_incoming_edge): No longer record
8801 (eliminate_redundant_computations): No longer call
8802 simplify_cond_and_lookup_avail_expr.
8803 * tree-flow.h (potentially_threadable_block): Prototype.
8804 (thread_across_edge): Likewise.
8805 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8806 (tree-ssa-threadedge.o): Add dependencies.
8807 * tree-ssa-threadedge.c: New file.
8808 * passes.c (init_optimization_passes): Merge PHIs before
8809 calling VRP. Run VRP again late in the SSA optimization pipeline.
8811 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8813 * df-core.c (df_set_blocks): Do not dereference function pointers.
8814 (df_finish1): Likewise.
8815 (df_hybrid_search_forward): Likewise.
8816 (df_hybrid_search_backward): Likewise.
8817 (df_iterative_dataflow): Likewise.
8818 (df_analyze_problem): Likewise.
8819 (df_compact_blocks): Likewise.
8820 (df_dump): Likewise.
8821 * df-scan.c (df_rescan_blocks): Likewise.
8822 (df_record_entry_block_defs): Likewise.
8824 * genconditions.c (write_conditions): Guard the definition of
8825 'insn_conditions' with the check on GCC version.
8826 (write_writer): Guard the traversal 'insn_conditions' with
8827 the check on GCC version.
8829 2006-02-07 Richard Guenther <rguenther@suse.de>
8833 2006-01-30 Richard Guenther <rguenther@suse.de>
8835 * gimplify.c (gimplify_target_expr): Handle easy cases
8836 without creating a temporary.
8838 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8840 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8841 use of float in probability computations. Use edge probabilities
8842 in place of statically computed probabilities.
8843 (min_spec_prob): New static variable.
8844 (schedule_insns): Initialize it.
8845 (GET_SRC_PROB): Removed.
8846 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8848 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8851 * config/ia64/unwind-ia64.c: Revert last change.
8852 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8853 (INCOMING_FRAME_SP_OFFSET): Define.
8855 2006-02-06 Roger Sayle <roger@eyesopen.com>
8857 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8859 2006-02-07 Ben Elliston <bje@au.ibm.com>
8861 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8862 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8863 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8864 (ix86_return_in_memory): Handle TDmode.
8865 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8866 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8868 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8870 * reorg.c (dbr_schedule): Use dump_file instead of file.
8872 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8875 * config/ia64/predicates.md (extr_len_operand): New predicate.
8876 * config/ia64/ia64.md (extv): Tighten constraints.
8878 (*tbit_and_2): Ditto.
8879 (*tbit_and_3): Ditto.
8880 (*tbit_or_2): Ditto.
8881 (*tbit_or_3): Ditto.
8885 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8888 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8890 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8892 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8893 loop_optimizer_init and loop_optimizer_finalize
8894 * tree-ssa-sink.c (execute_sink_code): Ditto.
8895 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8896 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8897 tree_ssa_loop_done): Ditto.
8898 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8899 * sched-ebb.c: Include output.h.
8900 (schedule_ebbs): Do not use dump argument.
8901 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8902 * loop.c (loop_dump_stream): Removed.
8903 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8905 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8906 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8907 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8908 loop_iterations, strength_reduce, record_biv, record_giv,
8909 final_giv_value, check_final_value, check_ext_dependent_givs,
8910 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8911 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8912 dump_file instead of loop_dump_stream.
8913 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8915 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8917 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8918 * haifa-sched.c: Include output.h
8919 (schedule_insns, sched_init): Do not use dump argument.
8920 * mode-switching.c (optimize_mode_switching): Ditto.
8921 * modulo-sched.c (stats_file): Removed.
8922 (print_node_sched_params): Do not call argument dump_file.
8923 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8924 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8926 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8928 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8929 rtl_loop_init, rtl_loop_done): Ditto.
8930 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8931 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8933 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8934 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8935 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8936 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8937 * emit-rtl.c (renumber_insns): Ditto.
8938 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8939 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8940 * regclass.c (regclass): Ditto.
8941 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8942 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8943 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8944 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8946 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8947 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8949 * gcse.c (gcse_file, debug_stderr): Removed.
8950 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8951 rest_of_handle_gcse): Do not use dump argument.
8952 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8953 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8954 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8955 compute_code_hoist_vbeinout, compute_code_hoist_data,
8956 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8957 compute_store_table, build_store_vectors, insert_insn_start_bb,
8958 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8959 store_motion): Use dump_file instead of gcse_file.
8960 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8961 * profile.c (profile_dump_file): Removed.
8962 (branch_prob): Use dump_file instead of profile_dump_file.
8963 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8965 * tree-ssa-copy.c (dump_copy_of): Ditto.
8966 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8967 dump file to life_analysis.
8968 * bt-load.c (branch_target_load_optimize): Ditto.
8969 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8971 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8972 regclass, dbr_schedule): Declaration changed.
8973 * sched-int.h (sched_init): Declaration changed.
8974 * tree-profile.c (tree_profile_dump_file): Removed.
8975 (tree_profile_hooks): Removed profile_dump_file hook.
8976 * rtl-profile (rtl_profile_dump_file): Removed.
8977 (rtl_profile_hooks): emoved profile_dump_file hook.
8978 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8980 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8981 * tree-cfg.c (build_tree_cfg): Ditto.
8982 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8983 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8984 Declaration changed.
8985 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8986 life_analysis and schedule_insns.
8987 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8989 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8991 * config/mips/mips.c (mips_reorg): Ditto.
8992 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8995 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8997 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8998 (s390_mangle_fundamental_type): New.
8999 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9002 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9003 (alpha_mangle_fundamental_type): New.
9004 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9007 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9009 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9011 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9012 (sparc_mangle_fundamental_type): New.
9014 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9016 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9017 (s390x-*-linux*): Likewise.
9018 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9019 * config/s390/t-linux: New file.
9021 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9023 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9024 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9026 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9028 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9029 (ANTIC_SAFE_LOADS): New macro.
9030 (find_or_generate_expression): Add prototype.
9031 (set_contains_value): Allow null set for sake of not always having
9032 to allocate ANTIC_SAFE_LOADS.
9033 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9034 Allow COMPONENT_REF too.
9035 (valid_in_set): Allow COMPONENT_REF.
9036 Check ANTIC_SAFE_LOADS too.
9037 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9038 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9040 (can_PRE_operation): Add COMPONENT_REF.
9041 (create_component_ref_by_pieces): New function.
9042 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9043 (insert_aux): Move AGGREGATE_TYPE_P check here.
9044 (compute_avail): Set bb local stmt uids.
9045 (pass_pre): Use TODO_update_ssa_only_virtuals.
9047 2006-02-06 Ben Elliston <bje@au.ibm.com>
9049 * configure.ac: Unconditionally disable decimal float by default.
9050 * configure: Regenerate.
9052 2006-02-06 Ben Elliston <bje@au.ibm.com>
9054 * read-rtl.c (read_name): Terminate reading on EOF.
9056 2006-02-06 Ben Elliston <bje@au.ibm.com>
9058 * dfp.c (decimal_real_arithmetic): Change second argument type
9059 from int to enum tree_code. Do not always return true, but now
9060 return result of any call to decimal_do helper functions.
9061 * dfp.h (decimal_real_arithmetic): Update prototype.
9063 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9065 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9067 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9070 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9073 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9075 * tree-vrp.c (cfg_loops): Removed.
9076 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9077 Use current_loops instead of cfg_loops. Pass flags to
9078 loop_optimizer_init.
9079 * cfgloopmanip.c (fix_loop_structure): Update only available
9081 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9082 loop_optimizer_init.
9083 * modulo-sched.c (build_loops_structure): Removed.
9084 (sms_schedule): Use loop_optimizer_init.
9085 * loop-init.c (loop_optimizer_init): Use flags to determine
9086 which properties of loops to prepare.
9087 (rtl_loop_init): Pass flags to loop_optimizer_init.
9088 * tree-ssa-sink.c (execute_sink_code): Ditto.
9089 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9090 * tree-ssa-pre.c (init_pre): Ditto.
9091 * cfgloop.h (LOOPS_NORMAL): New.
9092 (loop_optimizer_init): Declaration changed.
9094 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9096 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9097 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9099 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9101 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9103 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9104 * pa/t-pa64: Delete quadlib.c rule.
9105 * pa/x-ada: Revert last change.
9106 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9108 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9110 PR rtl-optimization/26087
9111 * rtlanal.c (canonicalize_condition): Do not cross basic block
9114 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9117 * config/ia64/ia64.c: Include debug.h.
9118 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9119 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9120 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9121 (process_epilogue, process_set, process_for_unwind_directive):
9122 Output unwind info only if requested. Add CFA info if requested.
9123 Add new arguments as needed. Adjust callers.
9124 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9126 (DWARF2_FRAME_INFO): Define to zero.
9127 * config/ia64/unwind-ia64.c: Remove code that compensated for
9128 the CFA offset error fixed above.
9129 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9130 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9131 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9132 -funwind-tables and -fexceptions to enable frame info.
9133 (dwarf2out_frame_init): Define initial CFA even if
9134 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9135 DWARF2_UNWIND_INFO is nonzero, not just defined.
9136 (dwarf2out_frame_finish): Output non-EH call frame info only
9137 if DWARF2_FRAME_INFO is nonzero.
9138 (convert_cfa_to_loc_list,
9139 compute_frame_pointer_to_cfa_displacement): Define even if
9140 unwind info is not supported.
9141 (gen_subprogram_die): Use the above unconditionally. Remove
9142 legacy alternate code.
9143 * toplev.c (compile_file): Compile in call to
9144 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9145 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9147 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9148 Jakub Jelinek <jakub@redhat.com>
9150 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9151 IBM extended float format long double as "g" on powerpc*-linux.
9153 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9156 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9157 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9159 2006-02-03 Jason Merrill <jason@redhat.com>
9162 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9165 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9166 on the return slot if it's an NRV.
9168 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9170 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9171 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9172 rewrite_use): Do not handle USE_OUTER.
9173 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9174 add_iv_outer_candidates, may_replace_final_value,
9175 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9176 (find_interesting_uses_op): Functionality of
9177 find_interesting_uses_outer_or_nonlin moved here.
9178 (find_interesting_uses_outside): Use find_interesting_uses_op.
9180 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9183 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9185 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9186 Ulrich Weigand <uweigand@de.ibm.com>
9189 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9190 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9191 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9192 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9194 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9195 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9196 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9197 Define secondary reloads for TFmode moves.
9198 (constant_modes): Add TFmode.
9199 (NR_C_MODES): Set to 8.
9200 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9202 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9203 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9204 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9205 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9206 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9207 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9208 (FPR mode macro): Add TFmode.
9209 (DSF mode macro): New.
9210 (<de>, <dee> mode attributes): Removed.
9211 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9212 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9213 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9214 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9215 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9216 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9217 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9218 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9219 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9220 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9221 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9222 "*negabs<mode>2", "sqrt<mode>2"):
9223 Changed <de> to <xde>. R constraint replaced by <Rf>.
9224 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9226 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9227 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9228 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9230 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9231 "extenddftf2", "extendsftf2"): New expanders.
9232 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9233 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9234 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9235 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9237 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9238 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9239 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9240 __floatditf): Add a GCC_4.1.0 symbol version tag.
9241 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9244 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9247 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9248 Use targetm.binds_local_p instead of TREE_PUBLIC.
9250 2006-02-02 Roger Sayle <roger@eyesopen.com>
9252 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9253 on INTEGER_TYPEs to indicate that it denotes a character type.
9254 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9255 signed_char_type_node, unsigned_char_type_node and char_type_node.
9256 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9257 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9258 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9260 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9261 Daniel Berlin <dberlin@dberlin.org>
9263 * tree-tailcall.c (arg_needs_copy_p): New function.
9264 (eliminate_tail_call): Use arg_needs_copy_p.
9265 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9266 (add_virtual_phis): New function.
9268 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9270 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9271 #ignore instead of #scratch for %g7 .register directive.
9273 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9275 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9278 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9280 * flow.c (calculate_global_regs_live): Assert that there aren't any
9283 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9285 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9287 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9288 bsi_after_labels iterator.
9289 * tree-if-conv.c (find_phi_replacement_condition,
9290 replace_phi_with_cond_modify_expr): Likewise.
9291 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9292 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9294 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9296 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9298 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9301 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9302 array after growing it.
9304 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9307 * fold-const.c (fold_checksum_tree): Change type of buf.
9309 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9311 * reload.c (push_secondary_reload): Initialize t_icode.
9313 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9315 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9316 -msoft-float -mlong-double-128 only issue a warning, but don't
9317 swich to DFmode long double.
9319 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9321 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9322 has a constant equivalent, iterate over equivalents for arg0,
9323 calling simplify_relational_operation and if there's a result
9324 cheaper than X, apply fold_rtx and return the result.
9326 2006-02-01 Jan Hubicka <jh@suse.cz>
9328 * opts.c (no_unit_at_a_time_default): New global variable.
9329 (decode_options): Use it.
9330 * opts.h (no_unit_at_a_time_default): Declare.
9332 2006-02-01 Paul Brook <paul@codesourcery.com>
9334 * function.c (assign_parm_setup_reg): Use function argument promotion
9336 * expr.c (expand_expr_real_1): Use function argument promotion rules
9339 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9341 * gcc.c (process_command): Change j to 'unsigned int'.
9343 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9346 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9347 Use the corrected index for the character
9348 out of the string constant.
9350 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9352 * mode-switching.c (optimize_mode_switching): Fix size
9353 allocated for bb_info[n_entities].
9355 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9357 * gcc.c (main): Correct type that is allocated for
9358 explicit_link_files.
9360 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9362 * config/s390/s390.c (init_alignment_context): Set
9363 ALIAS_SET_MEMORY_BARRIER on the MEM.
9364 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9366 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9369 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9371 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9374 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9376 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9377 * regrename.c: Ditto.
9378 * tree-ssa-loop-im.c: Ditto.
9379 * tree-dump.c: Ditto.
9380 * tree-complex.c: Ditto.
9381 * genrecog.c: Ditto.
9382 * tree-ssa-threadupdate.c: Ditto.
9384 * java/class.c: Ditto.
9385 * java/jcf-parse.c: Ditto.
9386 * java/resource.c: Ditto.
9387 * java/except.c: Ditto.
9388 * java/jvspec.c: Ditto.
9389 * java/jcf-write.c: Ditto.
9390 * java/jcf-path.c: Ditto.
9391 * java/gjavah.c: Ditto.
9392 * java/zextract.c: Ditto.
9393 * java/jcf-io.c: Ditto.
9394 * java/jcf.h: Ditto.
9395 * java/buffer.c: Ditto.
9396 * java/lang.c: Ditto.
9397 * java/parse-scan.y: Ditto.
9398 * java/lex.c: Ditto.
9399 * java/lex.h: Ditto.
9400 * cfgloopmanip.c: Ditto.
9401 * postreload-gcse.c: Ditto.
9402 * tree-ssa-loop-manip.c: Ditto.
9403 * postreload.c: Ditto.
9404 * tree-ssa-loop-ch.c: Ditto.
9408 * diagnostic.c: Ditto.
9410 * genoutput.c: Ditto.
9412 * cfghooks.c: Ditto.
9413 * cfgloopanal.c: Ditto.
9414 * objc/objc-act.c: Ditto.
9416 * genextract.c: Ditto.
9417 * genautomata.c: Ditto.
9418 * pretty-print.c: Ditto.
9420 * cgraphunit.c: Ditto.
9423 * haifa-sched.c: Ditto.
9424 * dominance.c: Ditto.
9426 * tree-ssa-loop-ivopts.c: Ditto.
9428 * mode-switching.c: Ditto.
9429 * modulo-sched.c: Ditto.
9431 * ipa-pure-const.c: Ditto.
9433 * fix-header.c: Ditto.
9435 * tree-stdarg.c: Ditto.
9436 * ipa-utils.c: Ditto.
9437 * loop-init.c: Ditto.
9438 * ipa-inline.c: Ditto.
9441 * alloc-pool.c: Ditto.
9442 * dwarf2out.c: Ditto.
9444 * genattrtab.c: Ditto.
9445 * tree-ssa-loop-ivcanon.c: Ditto.
9449 * fortran/gfortranspec.c: Ditto.
9451 * local-alloc.c: Ditto.
9452 * langhooks.c: Ditto.
9453 * function.c: Ditto.
9454 * tree-vectorizer.c: Ditto.
9456 * ipa-type-escape.c: Ditto.
9458 * tree-if-conv.c: Ditto.
9461 * tree-data-ref.c: Ditto.
9462 * loop-unroll.c: Ditto.
9463 * treelang/treetree.c: Ditto.
9466 * ggc-common.c: Ditto.
9468 * coverage.c: Ditto.
9470 * tree-cfgcleanup.c: Ditto.
9471 * tree-ssa-pre.c: Ditto.
9472 * cfgcleanup.c: Ditto.
9473 * loop-invariant.c: Ditto.
9475 * ipa-prop.c: Ditto.
9476 * print-tree.c: Ditto.
9477 * conflict.c: Ditto.
9478 * ggc-page.c: Ditto.
9479 * sched-deps.c: Ditto.
9480 * regclass.c: Ditto.
9481 * tree-object-size.c: Ditto.
9483 * bb-reorder.c: Ditto.
9484 * resource.c: Ditto.
9485 * var-tracking.c: Ditto.
9487 * df-problems.c: Ditto.
9488 * reg-stack.c: Ditto.
9491 * sched-rgn.c: Ditto.
9492 * tree-ssa-structalias.c: Ditto.
9493 * tree-ssa-reassoc.c: Ditto.
9494 * config/darwin-c.c: Ditto.
9495 * config/darwin.c: Ditto.
9496 * config/arm/arm.c: Ditto.
9498 * collect2.c: Ditto.
9501 2006-01-31 Nicolas Pitre <nico@cam.org>
9503 * arm.md (smaxsi3): Make aware of smax_m1.
9506 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9508 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9510 2006-01-31 Richard Guenther <rguenther@suse.de>
9512 * doc/invoke.texi (-msselibm): Document.
9513 * target.h (expand_library_builtin): New target hook.
9514 * builtins.c (expand_builtin): Use expand_library_builtin.
9515 (default_expand_library_builtin): New function.
9516 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9517 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9518 (link_gcc_math_spec): Declare.
9519 (static_specs): Add link_gcc_math_spec.
9520 * expr.h (default_expand_library_builtin): Declare.
9521 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9522 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9523 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9524 * config/i386/i386.opt (msselibm): New target option.
9525 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9526 (ix86_init_sse_abi_builtins): New function.
9527 (ix86_expand_library_builtin): Likewise.
9528 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9529 (override_options): Handle error conditions wrt -msselibm.
9530 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9531 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9532 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9535 2006-01-31 Richard Guenther <rguenther@suse.de>
9536 Paolo Bonzini <bonzini@gnu.org>
9538 * doc/install.texi (--disable-libgcc-math): Document.
9540 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9542 * expr.h (expand_normal): new inline function.
9543 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9545 * dwarf2out.c: use it.
9550 * config/sparc/sparc.c: use it.
9551 * config/i386/i386.c: use it.
9552 * config/rs6000/rs6000.c: use it.
9553 * config/arm/arm.c: use it.
9554 * config/mips/mips.c: use it.
9555 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9557 2006-01-30 Roger Sayle <roger@eyesopen.com>
9559 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9560 argv to the appropriate type.
9562 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9564 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9567 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9570 * config/s390/s390.c (struct machine_function): New flag
9571 decomposed_literal_pool_addresses_ok_p.
9572 (s390_reorg): Set it before final stage of literal pool transforms.
9573 (s390_decompose_address): Only accept displacements of the form
9574 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9576 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9578 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9579 the comparison routine return.
9581 2006-01-30 Michael Matz <matz@suse.de>
9583 * global.c (find_reg): Only evict for global regs.
9584 Take n_refs into account and dump more info.
9586 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9589 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9590 (pragma_trap, pragma_nosave_low_regs): Likewise.
9591 (current_function_anonymous_args): Likewise.
9592 (sh_deferred_function_attributes): New variable.
9593 (sh_deferred_function_attributes_tail): Likewise.
9594 (print_operand): For '@', look up trap_exit attribute.
9595 (calc_live_regs): Look up trapa_handler attribute. For trapa
9596 handlers, save/restore fpscr, but don't do any other
9597 interrupt-specific saves.
9598 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9599 Fix check for partially saved registers to check for SHmedia.
9600 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9601 (sh_output_function_epilogue): Don't clear any of the removed
9603 (sh_insert_attributes): Don't check pragma_interrupt.
9604 Insert deferred attributes. Check that interrupt attribute is
9605 present for other attributes that require its presence.
9606 (sh_attribute_table): Add new attributes trapa_handler and
9608 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9609 Don't check for pragma_interrupt. Don't store argument.
9610 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9611 (sh_deferred_function_attributes): Declare.
9612 (sh_deferred_function_attributes_tail): Likewise.
9613 * sh.md (sp_switch_1): Add operand. Change generator caller.
9614 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9615 (*return_i): Don't use when trap_exit attribute is in effect.
9616 (*return_trapa): New insn pattern.
9618 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9619 setting c_target_objs and cxx_target_objs.
9620 * t-sh: Add rule for sh-c.o.
9622 2006-01-30 Richard Guenther <rguenther@suse.de>
9625 * gimplify.c (gimplify_target_expr): Handle easy cases
9626 without creating a temporary.
9628 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9630 * vec.h (safe_grow): Remove duplicated line.
9632 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9635 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9636 (expand_omp): ... here.
9637 (expand_omp_parallel): Only remove barriers for combined
9638 parallel+workshare constructs.
9640 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9644 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9645 * tree.c (build_qualified_type): Chain the new type to the original
9646 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9647 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9648 (build_pointer_type_for_mode): Only return unqualified types.
9649 (build_reference_type_for_mode): Likewise.
9651 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9653 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9654 * Makefile.in (CXX_COMPAT_WARN): Define.
9655 * configure: Regenerate.
9657 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9660 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9663 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9665 * toplev.c: Fix thinko.
9667 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9668 Marcin Dalecki <martin@dalecki.de>
9670 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9671 (push_srcloc): Use XNEW.
9672 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9674 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9676 * df-core.c (df_set_blocks): Deleted all variable.
9678 2006-01-28 Ian Lance Taylor <ian@airs.com>
9680 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9681 cgraph_output_pending_asms.
9683 2006-01-28 Zack Weinberg <zackw@panix.com>
9685 * c.opt: Add -W(no-)overlength-strings.
9686 * doc/invoke.texi: Document it.
9687 * c-opts.c (c_common_handle_option): -pedantic implies
9688 -Woverlength-strings, if not explicitly disabled already.
9689 (c_common_post_options): -Woverlength-strings defaults to off, and
9690 is always off for C++.
9691 * c-common.c (fix_string_type): Issue warning about strings longer
9692 than is portable only if warn_overlength_strings. Rearrange code
9693 a little for clarity.
9694 * configure.in: Check for -Wno-overlength-strings as well before
9695 enabling -pedantic in stage 1.
9696 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9697 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9699 * genconditions.c (write_header, write_one_condition)
9700 (write_conditions, write_writer): Consolidate very long strings
9701 that were broken up to fit in C89 portable limit. Don't use
9702 printf when fputs will do.
9704 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9706 * combine.c (simplify_comparison <AND>): Check
9707 TRULY_NOOP_TRUNCATION before start using a subreg.
9709 * config/mips/mips.md (*branch_zero<mode>,
9710 *branch_zero<mode>_inverted, *branch_equality<mode>,
9711 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9712 Remove mode check from comparisons.
9714 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9716 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9718 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9720 * expmed.c (const_mult_add_overflow_p): Remove.
9721 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9723 * recog.c (validate_replace_rtx_subexp): Remove.
9724 * recog.h: Remove the prototype for
9725 validate_replace_rtx_subexp.
9727 * integrate.h: Remove the prototype for
9728 copy_decl_for_inlining.
9729 * rtl.h: Remove the prototype for mark_constant_function.
9730 * tree-vectorizer.h: Remove the prototype for
9731 vect_strip_conversion.
9733 * modulo-sched.c (create_partial_schedule,
9734 free_partial_schedule, reset_partial_schedule): Make them
9737 * hooks.c (hook_bool_rtx_int_false): Remove.
9738 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9740 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9742 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9743 and -mlong-double-128 are incompatible.
9744 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9745 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9746 (TARGET_LIBGCC2_CFLAGS): Define.
9747 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9748 (TARGET_LIBGCC2_CFLAGS): Same.
9749 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9751 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9754 * c-typeck.c (build_binary_op): Perform implicit casts of
9755 operands before shortening them.
9757 * cfgloopmanip.c (split_loop_bb): Remove.
9758 * cfgloop.h: Remove the prototype for split_loop_bb.
9760 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9761 * cfgloop.h: Remove the prototype for
9762 flow_loop_outside_edge_p.
9764 * emit-rtl.c (init_virtual_regs): Make it static.
9765 * function.h: Remove the prototype for init_virtual_regs.
9767 * recog.c (peephole2_optimize): Make it static.
9768 * recog.h: Remove the prototype for peephole2_optimize.
9770 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9772 * df-scan.c (df_record_entry_block_defs): Check if
9773 INCOMING_RETURN_ADDR_RTX is defined.
9775 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9776 Kenneth Zadeck <zadeck@naturalbridge.com>
9778 PR rtl-optimization/24762
9779 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9780 * targhooks.c (hook_void_bitmap): New hook prototype.
9781 * targhoohs.h (hook_void_bitmap): Ditto.
9782 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9783 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9784 * target.h (live_on_entry): New function pointer.
9785 * df-scan.c (df_all_hard_regs): Removed.
9786 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9787 (df_scan_free_internal): Added df->entry_block_defs.
9788 (df_scan_alloc): Ditto.
9789 (df_scan_dump): Ditto.
9790 (df_uses_record): Plumbed flag field properly thru calls.
9791 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9792 This part fixes PR24762.
9793 (df_bb_refs_record): Added code to make the frame and arg
9794 pointers live in EH blocks.
9795 (df_refs_record): Added call to df_record_entry_block_defs.
9796 (df_record_entry_block_defs): New function.
9797 * df-core.c: Added comments to describe new artifical defs.
9798 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9799 (entry_block_defs): New field in struct df.
9800 (df_all_hard_regs): Deleted.
9801 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9802 * df-problems.c (df_ru_bb_local_compute_process_def):
9803 Added code to handle artifical defs in the entry to a function.
9804 (df_ru_bb_local_compute): Ditto.
9805 (df_rd_bb_local_compute_process_def): Ditto.
9806 (df_rd_bb_local_compute): Ditto.
9807 (df_lr_bb_local_compute): Ditto.
9808 (df_ur_bb_local_compute): Ditto.
9809 (df_urec_bb_local_compute): Ditto.
9810 (df_chain_create_bb): Ditto.
9811 (df_ur_local_finalize): Removed entry.
9812 (df_urec_init): Ditto.
9813 (df_urec_local_finalize): Ditto.
9814 (df_ri_bb_compute): Added detection of last use of pseudos.
9815 * Makefile.in (df-scan.o): Updated dependencies.
9816 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9817 * config/mips/mips.c (mips_set_live_on_entry): Added.
9818 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9820 * dce.c (marked_insn_p): Added code to handle artifical defs.
9822 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9824 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9826 (_mm_cvtsi128_si64): Likewise.
9827 (_mm_cvtsd_si64): Likewise.
9828 (_mm_cvttsd_si64): Likewise.
9829 (_mm_cvtsi64_sd): Likewise.
9830 (_mm_cvtsi64_si128): Likewise.
9831 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9832 (_mm_cvtsi64_m64): Likewise.
9833 (_m_to_int64): Likewise.
9834 (_mm_cvtm64_si64): Likewise.
9835 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9836 (_mm_cvttss_si64): Likewise.
9837 (_mm_cvtsi64_ss): Likewise.
9838 (_mm_cvtss_f32): Likewise.
9840 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9842 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9843 for pragma redefine_extname.
9845 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9848 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9849 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9850 -mno-minimal-toc to previous content.
9851 (bispecs): Remove goal.
9852 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9853 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9854 compatibility aliases on powerpc-*-*gnu*.
9855 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9856 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9857 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9858 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9859 (ldblspecs): New goal.
9860 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9861 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9863 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9864 L_sf_to_tf or L_df_to_tf is defined.
9866 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9867 Alan Modra <amodra@bigpond.net.au>
9870 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9871 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9872 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9873 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9874 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9875 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9876 (rs6000_override_options): Initialize rs6000_ieeequad.
9877 Initialize TFmode format to ibm_extended_format if not
9879 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9881 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9882 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9883 (function_arg_advance): IBM long double passed in two FPRs, not
9885 (function_arg): IBM long double passed in FPRs.
9886 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9887 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9888 Only multireg GPR aligned.
9889 (rs6000_init_libfuncs): Enable IBM long double functions if not
9891 (rs6000_generate_compare): Use IBM long double compare if not
9893 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9894 (TARGET_IEEEQUAD): Define.
9895 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9896 not TARGET_IEEEQUAD.
9897 * config/rs6000/rs6000.md: Enable TFmode patterns if
9899 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9900 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9901 and -mlong-double-128 are incompatible.
9902 * doc/invoke.texi (-mabi): Collect options together. Add
9903 ibmlongdouble and ieeelongdouble.
9905 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9907 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9909 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9910 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9911 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9912 * rtl.h (rtunion_def): Remove rt_ptr.
9914 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9915 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9916 * config/i386/winnt.c (i386_pe_mark_dllexport)
9917 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9919 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9921 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9923 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9927 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9928 pthread_key_delete. From John David Anglin. gthrw-ify
9929 pthread_getunique_np only if it it's not a macro. Delete
9931 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9932 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9933 __gthread_objc_condition_signal, __gthread_key_delete): Add
9934 "__attribute__ ((__unused__))" to unused arguments.
9935 (__gthread_recursive_mutex_init_function): Add missing return.
9936 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9937 gthr-posix95.h: Use macro-based approach for name redirection
9938 on targets missing weakref.
9940 2006-01-26 Zack Weinberg <zackw@panix.com>
9942 * genconditions.c (write_header): In generated code, #ifdef out
9943 all includes and fake declarations, except includes of bconfig.h
9944 and system.h, unless GCC_VERSION >= 3001. Do not include
9945 gensupport.h in any case.
9946 (write_conditions): Generate a definition of struct c_test. Add
9947 a comment to the generated #endif.
9948 (write_one_condition): Escape backslashes in string too.
9949 (write_writer): Generated code must escape backslashes and quote
9950 marks (but not newlines) in the strings it writes.
9951 * Makefile.in (build/gencondmd.o): Update dependencies.
9953 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9956 * Makefile.in (insn-automata.o): Add header file dependencies.
9957 * genautomata.c: Add includes.
9959 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9962 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9964 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9966 * configure.ac: Expect target tools paths to be passed from the toplevel
9967 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9969 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9971 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9974 * c.opt (Wpointer-sign): Init to -1.
9975 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9976 OPT_pedantic, to 0 otherwise.
9977 * doc/invoke.texi: Update.
9979 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9981 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9982 constants provided by 80387 instructions in the destination mode.
9984 2006-01-26 Richard Guenther <rguenther@suse.de>
9985 Andrew Pinski <pinskia@physics.uc.edu>
9988 partial PR tree-opt/17064
9989 * tree-ssa-structalias.c (intra_create_variable_infos):
9990 Create heap variables for incoming parameters if
9991 flag_argument_noalias > 1.
9992 (find_what_p_points_to): Look through default defs of
9995 2006-01-26 Jeff Law <law@redhat.com>
9998 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9999 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10000 within the VR_RANGE, use the VR_RANGE as the result, not the
10002 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10003 bounds for the type.
10005 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10007 * tree-ssa-alias.c (maybe_create_global_var): Change
10008 subvar walking to an assertion that we don't have subvar'd variables.
10010 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10013 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10014 Use a new variable, inner. PARM_DECLs are always non-weak.
10016 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10018 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10019 --disable-checking.
10021 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10023 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10025 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10027 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10028 (smax_insn, smin_insn, smax_0, smin_0): New.
10030 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10033 * config/cris/cris.c (cris_order_for_addsi3): New function.
10034 * config/cris/cris-protos.h: Prototype it.
10035 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10036 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10037 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10038 (split for "op.S1 [rx=rx+i],ry (swapped)")
10039 (split for "op(s|u).S1 [rx=rx+i],ry")
10040 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10041 Apply cris_order_for_addsi3 when generating addsi3 insns.
10043 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10045 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10046 (TREE_BLOCK): Add call to EXPR_CHECK.
10048 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10051 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10052 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10053 (dump_omp_clauses): ... here.
10054 (dump_generic_node): Handle OMP_CLAUSE.
10055 * tree.c (omp_clause_num_ops): New.
10056 (omp_clause_code_name): New.
10057 (tree_code_size): Handle OMP_CLAUSE.
10058 (tree_size): Likewise.
10059 (make_node): Document handling of OMP_CLAUSE.
10060 (tree_node_structure): Handle OMP_CLAUSE.
10061 (omp_clause_check_failed): New.
10062 (omp_clause_range_check_failed): New.
10063 (omp_clause_operand_check_failed): New.
10064 (build_omp_clause): New.
10065 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10066 * tree.h (enum omp_clause_code): Declare.
10067 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10068 (OMP_CLAUSE_RANGE_CHECK): Define.
10069 (OMP_CLAUSE_ELT_CHECK): Define.
10070 (omp_clause_check_failed): Declare.
10071 (omp_clause_operand_check_failed): Declare.
10072 (omp_clause_range_check_failed): Declare.
10073 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10074 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10075 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10076 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10077 (OMP_CLAUSE_IF_EXPR): Likewise.
10078 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10079 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10080 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10081 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10082 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10083 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10084 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10085 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10086 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10087 (OMP_CLAUSE_CODE): Define.
10088 (OMP_CLAUSE_SET_CODE): Define.
10089 (OMP_CLAUSE_CODE): Define.
10090 (OMP_CLAUSE_OPERAND): Define.
10091 (struct tree_omp_clause): Declare.
10092 (union tree_node): Add field 'omp_clause'.
10093 * treestruct.def (TS_OMP_CLAUSE): Define.
10094 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10095 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10096 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10097 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10098 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10099 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10100 (OMP_CLAUSE): Define.
10101 * print-tree.c (print_node): Handle OMP_CLAUSE.
10102 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10103 * c-typeck.c: Likewise.
10104 * gimplify.c: Likewise.
10105 * c-omp.c: Likewise.
10106 * tree-nested.c: Likewise.
10107 * tree-inline.c: Likewise.
10108 * c-parser.c: Likewise.
10109 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10112 2006-01-25 Roger Sayle <roger@eyesopen.com>
10114 PR rtl-optimization/25703
10115 * combine.c (try_combine): Handle zero_extract and strict_low_part
10116 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10118 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10120 * global.c: Fix comment typos.
10122 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10125 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10126 Use output_addr_const instead of assemble_name.
10128 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10130 * Makefile.in (sched-vis.o): Update dependencies.
10131 * haifa-sched.c (sched_finish): Clear current_sched_info.
10132 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10133 (dump_flow_info): Call it.
10134 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10136 * basic-block.h (dump_bb_info): Declare.
10137 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10138 option, and apply options only for dump files whose TDF_RTL,
10139 TDF_TREE, or TDF_IPA bits match.
10140 * rtl.h: Declare new functions exported from sched-vis.c.
10141 * sched-vis.c: Enable also if scheduling is not used.
10142 (print_value): Print the mode of registers if not inside scheduling.
10143 (print_insn): Make it work outside the scheduler. Beautify the output
10145 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10147 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10149 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10150 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10151 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10152 depending on the value of CONSTANT_POOL_ADDRESS_P.
10153 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10155 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10156 rather than SYMBOL_REF_DECL.
10157 (rtx_constant_pool): Remove const_rtx_sym_htab.
10158 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10159 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10160 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10161 Remove handling of const_rtx_sym_htab.
10162 (find_pool_constant): Delete.
10163 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10164 rather than find_pool_constant.
10165 (get_pool_constant_for_function): Delete.
10166 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10167 find_pool_constant.
10168 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10169 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10170 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10171 (SYMBOL_REF_CONSTANT): New macro.
10172 (get_pool_constant_for_function): Delete.
10173 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10174 rather than SYMBOL_REF_DECL.
10175 (i386_pe_mark_dllimport): Likewise.
10176 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10177 rather than SYMBOL_REF_DECL.
10178 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10179 (machopic_indirect_call_target): Likewise.
10181 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10183 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10185 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10187 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10189 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10191 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10193 2006-01-24 David Daney <ddaney@avtrex.com>
10196 * configure.ac (enable_tls): New enable option.
10197 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10198 * configure: Regenerate.
10199 * doc/install.texi (--enable-tls): Document new option.
10200 (--disable-tls): Ditto.
10202 2006-01-24 Richard Henderson <rth@redehat.com>
10204 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10205 * alias.c (true_dependence): Respect it.
10206 (canon_true_dependence, write_dependence_p): Likewise.
10207 * builtins.c (get_builtin_sync_mem): Set it.
10209 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10211 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10214 2006-01-24 DJ Delorie <dj@redhat.com>
10216 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10217 for storing constants in single-bit bitfields.
10219 2006-01-25 Ben Elliston <bje@au.ibm.com>
10221 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10223 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10226 * tree-ssa-pre.c (phi_translate): Return NULL
10227 for AGGREGATE_TYPE's.
10229 2006-01-24 Zack Weinberg <zackw@panix.com>
10231 * genautomata.c (process_state_for_insn_equiv_partition):
10232 Use xcalloc for insn_arcs_array.
10233 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10234 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10236 2006-01-24 Richard Henderson <rth@redhat.com>
10238 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10239 update all callers.
10241 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10243 PR rtl-optimization/25890
10244 PR rtl-optimization/25905
10245 * combine.c (expand_compound_operation, expand_field_assignment):
10246 Fail if the bitfield's final position is out of bounds.
10248 2006-01-24 Ian Lance Taylor <ian@airs.com>
10250 PR middle-end/25930
10251 * cgraphunit.c (cgraph_output_in_order): Don't clear
10252 cgraph_asm_nodes until after asm strings have been output.
10254 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10256 * fix-header.c (read_scan_file): Add new parameter imultilib when
10257 calling register_include_chains.
10259 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10261 * omp-low.c: Update documentation.
10263 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10264 Daniel Berlin <dberlin@dberlin.org>
10268 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10269 return from the function.
10271 2006-01-22 Zack Weinberg <zackw@panix.com>
10273 * rtl.def (match_code): Add second argument.
10274 * genpreds.c (write_extract_subexp): New function.
10275 (write_match_code): Add path argument. Use write_extract_subexp.
10276 (write_predicate_expr): Pass path to write_match_code.
10277 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10278 not perform a mode test.
10279 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10280 a subexpression does not constrain the top-level code set.
10281 * read-rtl.c (read_rtx_variadic): New function.
10282 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10283 * doc/md.texi: Document new notation.
10284 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10285 (cmpsi_operand): ... here, using new notation.
10287 2006-01-22 Zack Weinberg <zackw@panix.com>
10289 * varray.c: Remove GENERATOR_FILE #ifdefs.
10291 2006-01-22 Zack Weinberg <zackw@panix.com>
10293 * genautomata.c (output_reserved_units_table): Emit nothing if
10294 description->query_units_num is zero. Remove extra blank line.
10295 (output_cpu_unit_reservation_p): Short circuit
10296 if description->query_units_num is zero.
10298 2006-01-22 Zack Weinberg <zackw@panix.com>
10300 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10301 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10302 nor any of the random handful of variables that used to be necessary
10303 when this program was linked with rtlanal.o. Prune set of forward
10304 function declarations.
10305 (struct attr_desc): Remove static_p field.
10306 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10307 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10308 (attr_string): Do not read the character one past the length of
10310 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10311 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10312 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10313 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10314 (make_automaton_attrs): New.
10315 (main): Do not call into genautomata. Call local gen_bypass
10316 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10317 Remove special case for insn_alts.
10318 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10319 varray.h (leftover from previous change). Prune set of forward
10320 function declarations. Remove state_alts fields from all
10321 structures. Remove state_alts_table from struct automaton.
10322 Make everything except main static. Do not maintain num_dfa_decls.
10323 Do not maintain state_alts fields of various structures.
10324 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10325 (add_arc): Remove state_alts argument. All callers updated.
10326 (output_reserved_units_table): Emit #ifdef here...
10327 (output_tables): ...not here. Don't generate state_alts tables.
10328 (expand_automata): Don't generate attributes.
10329 (write_automata): Don't generate state_alts functions.
10330 (main): New function.
10331 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10332 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10333 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10334 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10335 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10336 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10337 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10338 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10340 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10341 * genattrtab.h: Delete file.
10342 * Makefile.in (OBJS-common): Add insn-automata.o.
10343 (insn-automata.o): New rule.
10344 (simple_generated_c): Add insn-automata.c.
10345 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10346 (genprogmd): Add automata.
10347 (build/genattrtab): Needs no extra objects nor libraries.
10348 (build/genautomata): Needs build/vec.o and -lm.
10350 2006-01-22 Zack Weinberg <zackw@panix.com>
10352 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10353 (output_dfa_max_issue_rate, locked_states_num): Delete.
10354 (struct automaton): Add locked_states field.
10355 (output_dead_lock_vect): Save number of locked states in
10356 automaton->locked_states. If it is zero, don't print anything.
10357 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10358 (output_internal_dead_lock_func): Only test the dead_lock_vect
10359 for automata that have locked states.
10360 (output_statistics): Always print the number of locked states for
10361 each automaton. Calculate total number of locked states here.
10362 (write_automata): Don't call output_dfa_max_issue_rate.
10363 * genattrtab.c: Define length_unit_log as a const variable.
10364 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10365 max_insn_queue_index const.
10366 * final.c (length_unit_log): Declare const.
10367 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10369 2006-01-22 Zack Weinberg <zackw@panix.com>
10371 * genautomata.c: Include vec.h, not varray.h.
10372 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10373 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10374 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10375 VEC_* macros operating on appropriately typed vectors, or to
10376 malloced arrays when the size is known in advance. Const-ify
10377 many char* variables and function arguments. No functional changes.
10378 * Makefile.in (build/varray.o): Delete rule.
10379 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10380 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10382 2006-01-22 Zack Weinberg <zackw@panix.com>
10384 * gensupport.c: Define get_insn_name and record_insn_name here.
10385 (read_md_rtx): Call record_insn_name as appropriate.
10386 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10387 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10388 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10390 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10391 (BUILD_VARRAY): Delete.
10392 (genprognormal): Rename genprogmd. Fold in all programs from
10393 genprognoprint; also attrtab.
10394 (build/genattrtab): Just mention genautomata.o and varray.o.
10395 Reorganize a bit, add comments to make the categories clearer.
10397 2006-01-22 Zack Weinberg <zackw@panix.com>
10399 * genconditions.c (condition_table, add_condition): Delete.
10400 (write_conditions): Don't emit n_insn_conditions nor
10401 insn_elision_unavailable. Issue the gcc version #ifdef here,
10402 inside the table, with no #else clause ...
10403 (write_header): ...not here.
10404 (write_writer): New function.
10405 (main): Don't initialize condition_table. Use add_c_test.
10407 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10408 files on the command line.
10409 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10410 Return -1 if there is no entry in the table, don't abort.
10411 (add_c_test, traverse_c_tests): New functions.
10412 * gensupport.h (insn_elision_unavailable, insn_conditions)
10413 (n_insn_conditions): Delete declarations.
10414 (add_c_test, traverse_c_tests): Declare.
10415 * read-rtl.c: Include gensupport.h.
10416 (read_conditions): New function.
10417 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10418 (read_rtx_1): If we get EOF when we were looking for an initial
10419 open paren, return 0. Call read_conditions when appropriate.
10420 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10421 dummy-conditions.o. Eliminate references to insn-conditions.o,
10422 or change them to build/gencondmd.o, as appropriate. Remove
10423 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10424 from $(simple_generated_c). For all files remaining in those
10425 two lists, add insn-conditions.md to the generator command line.
10426 Give insn-constants.h/s-constants their own rules. Add rules
10427 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10428 (build/read-rtl.o): Depend on gensupport.h.
10429 (genprognormal): Include preds.
10430 (genprogearly): Rename genprognoprint; only difference is now that
10431 they don't link with $(BUILD_PRINT).
10432 * dummy-conditions.c: Delete.
10434 2006-01-22 Zack Weinberg <zackw@panix.com>
10436 * genextract.c: Don't include insn-config.h. Do include vec.h.
10437 Declare vectors of int, char, and locstr.
10438 (locstr): New typedef.
10439 (struct extraction): Make all array fields into bare pointers.
10440 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10441 (insn_code_number): Delete.
10442 (accum_extract): New struct.
10443 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10444 (gen_insn): Take insn_code_number as an argument. Use an
10445 accum_extract structure instead of loading data directly into
10446 a struct extraction, and having to know how big it might get.
10447 (walk_rtx): Operate entirely on an accum_extract structure.
10448 (print_path): Avoid unnecessary use of printf.
10449 (print_header): New function, split out of main. Distinguish
10450 more carefully between an unrecognizable insn and an insn that
10451 has the code number of a define_expand.
10452 (main): Pass insn_code_number to gen_insn. Call print_header
10453 only after parsing. Avoid unnecessary use of printf.
10454 * Makefile.in (build/vec.o): New rule.
10455 (build/genextract): Depend on build/vec.o.
10456 (build/genextract.o): Don't depend on insn-config.h.
10458 2006-01-22 Zack Weinberg <zackw@panix.com>
10460 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10461 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10462 practical. Eliminate per-generator-program link rules.
10464 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10466 PR middle-end/24437
10467 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10468 with a call expr to ...
10469 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10471 2006-01-23 Richard Guenther <rguenther@suse.de>
10473 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10474 before make_edge with conditional EDGE_TRUE_VALUE.
10476 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10477 Jan Hubicka <jh@suse.cz>
10478 Richard Guenther <rguenther@suse.de>
10480 PR rtl-optimization/25654
10481 * cfgexpand.c (aggregate_contains_union_type): New function.
10482 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10483 for structure variables that contain a union type.
10485 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10487 * gengtype.c (new_structure): Return the structure.
10488 (create_option): Add an extra "next" argument.
10489 (create_field): New function.
10490 (adjust_field_rtx_def): Use create_option and create_field.
10491 Remove a now-unnecessary call to find_structure.
10492 (adjust_field_tree_def): Likewise.
10493 (note_yacc_type): Remove an unnecessary call to find_structure.
10494 * gengtype.h (new_structure): Return the structure.
10495 (create_option): Add an extra argument.
10496 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10497 (option): Adjust calls to create_option.
10499 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10501 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10503 2006-01-22 Paul Brook <paul@codesourcery.com>
10504 Peter Barada <peter@the-baradas.com>
10506 * config/m68k/m68k.md: Add Coldfire FPU support.
10507 Define FP mode macro and associated attributes.
10508 Use it for float mode patterns.
10509 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10510 (LIBCALL_VALUE): Use m68k_libcall_value.
10511 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10512 (m68k_function_value): Ditto.
10513 (emit_move_sequence): Ditto.
10514 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10515 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10516 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10517 (MULTILIB_EXCEPTIONS): Ditto.
10518 * config/m68k/m68k.opt: Add mcfv4e.
10519 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10520 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10521 (m68k_output_function_prologue): Save ColdFire FPU registers.
10522 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10523 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10524 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10525 ColdFire FPU registers.
10526 (m68k_libcall_value, m68k_function_value): New functions.
10527 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10528 (LIBCALL_VALUE): Use m68k_libcall_value.
10529 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10530 (MASK_COLDFIRE): Add MASK_CFV4E.
10531 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10532 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10533 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10534 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10535 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10536 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10537 * doc/invoke.tex: Document -mcfv4e on m68k.
10539 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10541 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10544 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10547 * c-opts.c (c_common_handle_option): Don't include
10548 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10549 * doc/invoke.texi (C++ Dialect Options): Document that
10550 -Wnon-virtual-dtor is no longer included in -Wall.
10552 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10554 * gcov.c (print_version), gcov-dump.c (print_version),
10555 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10558 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10560 * df-scan.c (problem_SCAN): Added NULL reset function.
10561 (df_scan_reset_blocks): Added code to call reset block function
10562 (df_bb_refs_delete) Fixed comment.
10563 (df_insn_refs_delete): Made tolerant of deleting non existent info
10564 for dataflow problems that need to be reset.
10565 * df-core.c (df_set_blocks): Ditto.
10566 * df.h (struct df_problem): Added reset_fun.
10567 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10568 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10569 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10570 functions to clear out all references to def-use or use-def chains.
10572 2006-01-21 Ben Elliston <bje@au.ibm.com>
10574 * varasm.c (assemble_real): Initialise data array.
10576 2006-01-20 Paul Brook <paul@codesourcery.com>
10578 Merge from csl-arm-branch.
10579 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10580 * config/arm/arm.md (movdi): Force operands[1] to a register
10581 if we have a non-register source.
10582 (*arm_movdi, *movdf_soft_insn): Require that one of the
10583 operands be a register.
10584 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10585 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10587 2006-01-20 DJ Delorie <dj@redhat.com>
10589 * varasm.c (initializer_constant_valid_p): Allow pointers
10590 initialized from integer constants of lesser precision.
10591 (output_constant): Allow non-int-sized pointer modes to be
10592 initialized from integer constants.
10594 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10597 * cppdefault.h (struct default_include): Add multilib flag.
10598 * cppdefault.c (cpp_include_defaults): Set it.
10599 * c.opt (-imultilib): New option.
10600 * c-opts.c (imultilib): New.
10601 (c_common_handle_option): Handle -imultilib.
10602 (c_common_post_options): Likewise.
10603 * c-incpath.c (add_standard_paths, register_include_chains):
10605 * c-incpath.h (register_include_chains): Add extra parameter.
10606 * gcc.c (do_spec_1): Generate -imultilib option.
10607 (The Specs Language): Update %I description.
10608 (process_command): Update copyright notice.
10609 * doc/cppopts.texi (-imultilib): Document.
10610 * doc/invoke.texi (-imultilib): Include in option summary.
10611 (%I): Update specs documentation.
10613 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10615 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10617 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10619 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10622 2006-01-20 Richard Guenther <rguenther@suse.de>
10623 Steven Bosscher <stevenb.gcc@gmail.com>
10625 PR rtl-optimization/24626
10626 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10627 EDGE_TRUE_VALUE if in RTL mode.
10630 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10631 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10633 2006-01-20 Dirk Mueller <dmueller@suse.com>
10636 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10637 instead of a special NOP marker.
10638 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10639 NOP marker handling.
10640 * c-common.h (empty_body_warning): Add forward declaration.
10641 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10642 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10644 2006-01-20 Paul Brook <paul@codesourcery.com>
10646 * Makefile.in (lang_checks): Keep going if mkdir fails.
10648 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10650 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10651 be able to clean out basic block when not necessary.
10652 (df_scan_free): Fixed to properly delete information if df is
10653 unused before calling df_finish.
10654 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10655 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10657 (df_bb_refs_delete): New function.
10658 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10659 * df-core.c (df_set_blocks): Added code to properly clean out
10660 unused blocks if they are not part of the blocks to consider.
10661 Added additional null check.
10662 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10663 be able to clean out basic block when not necessary
10664 * df.h (df_free_bb_function): Ditto.
10665 (df_bb_refs_delete): New function.
10666 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10667 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10668 basic block parameter to be able to clean out basic block when not
10670 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10671 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10672 Fixed to properly delete information if df is unused before
10675 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10677 PR rtl-optimization/25799
10678 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10679 Corrected confluence operator to remove bits from op2 before oring
10680 with op1 rather than removing bits from op1.
10681 (df_ru_transfer_function): Corrected test on wrong bitmap which
10682 caused infinite loop. Both of these problems were introduced in
10683 the dataflow rewrite.
10685 2006-01-19 DJ Delorie <dj@redhat.com>
10687 * reload1.c (find_reload_regs): Note the details of reload
10688 failures in the dump file.
10689 (spill_failure): Likewise.
10691 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10693 * loop-iv.c: Include df.h and hashtab.h.
10694 (enum iv_grd_result): New enum.
10695 (DF_REF_IV, DF_REF_IV_SET): New macros.
10696 (struct biv_entry): New.
10697 (df, bivs): New global variables.
10698 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10699 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10701 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10702 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10703 analyzed_for_bivness_p, record_biv): New functions.
10704 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10705 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10706 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10708 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10710 (iv_number_of_iterations): Use new interface to iv analysis.
10711 * loop-unroll.c: Do not include varray.h.
10712 (analyze_iv_to_split_insn): Use new interface to iv
10714 * loop-unswitch.c (may_unswitch_on): Ditto.
10715 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10717 (df_bb_modify): Realloc tables to the new index.
10718 (df_find_use): New function.
10719 * df.h (df_find_use): Declare.
10720 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10722 * cfgloop.h (struct rtx_iv): Remove analysed field.
10723 (iv_get_reaching_def): Removed.
10724 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10725 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10726 (loop-iv.o): Add df.h and hashtab.h dependency.
10727 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10729 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10732 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10734 (__floatundisf, __floatundidf): Likewise.
10735 * libgcc2.h (IS_IBM_EXTENDED): Define.
10737 2006-01-19 DJ Delorie <dj@redhat.com>
10739 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10741 2006-01-19 Paul Brook <paul@codesourcery.com>
10743 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10744 as nothrow when unwinding tables are disabled.
10746 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10749 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10750 of bit-field" when in system header.
10752 2006-01-19 DJ Delorie <dj@redhat.com>
10754 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10755 the 16 bit shift limit of the m16c.
10757 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10760 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10761 * config/i386/i386.c (output_set_got): Output the label if we have one
10762 for the TARGET_DEEP_BRANCH_PREDICTION case.
10764 2006-01-19 Jan Hubicka <jh@suse.cz>
10765 H.J. Lu <hongjiu.lu@intel.com>
10766 Evandro Menezes <evandro.menezes@amd.com>
10768 * invoke.texi (generic): Document
10770 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10771 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10772 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10773 (x86_use_incdec, x86_pad_returns): New variables
10774 (TARGET_CPU_DEFAULT_generic): New constant
10775 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10776 (enum processor_type): Add generic32 and generic64.
10777 * i386.md (cpu attribute): Add generic32/generic64
10778 (movhi splitter): Behave sanely when both partial_reg_dependency and
10779 partial_reg_stall are set.
10780 (K8 splitters): Enable for generic as well.
10781 * predicates.md (incdec_operand): Use TARGET_INCDEC
10782 (aligned_operand): Avoid memory mismatch stalls.
10783 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10784 * ppro.md: Enable for generic32
10785 * i386.c (generic64_cost, generic32_cost): New.
10786 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10787 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10788 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10789 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10790 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10791 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10792 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10793 x86_accumulate_outgoing_args, x86_prologue_using_move,
10794 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10795 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10796 Enable for generic.
10797 (x86_use_incdec, x86_pad_returns): New.
10798 (override_options): Add generic32 and generic64, translate "generic"
10799 to generic32/generic64 and "i686" to "generic32", refuse
10800 "generic32"/"generic64" as arch target.
10801 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10802 (ix86_reorg): Honor PAD_RETURNS.
10804 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10806 * tree-pretty-print.c (dump_generic_node): Handle
10807 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10808 * cgraph.c (cgraph_expand_queue): Rename from
10809 cgraph_analyze_queue. Update all users.
10810 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10811 cgraph_expand_queue.
10812 (cgraph_expand_all_functions): Likewise.
10813 (cgraph_finalize_pending_functions): Remove. Update callers.
10815 * tree.h (OMP_DIRECTIVE_P): Define.
10816 (OMP_PARALLEL_FN): Define.
10817 (OMP_PARALLEL_DATA_ARG): Define.
10818 (OMP_SECTIONS_SECTIONS): Define.
10819 * tree-pass.h (pass_expand_omp): Declare.
10820 * omp-low.c (struct omp_region): Declare.
10821 (struct omp_context): Remove fields 'parallel_type',
10822 'parallel_start_ix' and 'parallel_start_additional_args'.
10824 (struct omp_for_data): Rename from struct expand_omp_for_data.
10825 (omp_regions): New static variable.
10826 (root_omp_region): New static variable.
10827 (find_omp_clause): Make static.
10828 (is_in_combined_parallel_ctx): Remove.
10829 (is_combined_parallel): New.
10830 (extract_omp_for_data): Move earlier in the file.
10831 (workshare_safe_to_combine_p): New.
10832 (get_ws_args_for): New.
10833 (determine_parallel_type): Move earlier in the file.
10834 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10836 (omp_copy_decl): Likewise.
10837 (create_omp_child_function): Likewise.
10838 (lookup_omp_region): New.
10839 (dump_omp_region): New.
10840 (debug_omp_region): New.
10841 (debug_all_omp_regions): New.
10842 (new_omp_region): New.
10843 (scan_omp_parallel): If parallel_nesting_level > 1, the
10844 directive is nested within another parallel directive.
10845 Set OMP_PARALLEL_FN.
10846 (scan_omp_for): Do not try to handle combined parallel+for
10848 Remove FIXME comment.
10849 (scan_omp_nested): Remove.
10850 (scan_omp_1): Do not call scan_omp_nested when
10851 parallel_nesting_level is > 1.
10852 Do not change the DECL_CONTEXT of local variables found.
10853 (lookup_decl_in_outer_ctx): New.
10854 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10855 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10856 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10857 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10858 If CTX is nested, lookup VAR in the outer context when
10859 building copy assignment.
10860 (lower_send_clauses): Rename from expand_send_clauses.
10861 If CTX is nested, lookup VAR in the outer context when
10862 building copy assignments.
10863 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10864 If CTX is nested, lookup VAR in the outer context when
10865 building copy assignments.
10866 (expand_parallel_call): Rename from build_parallel_call.
10867 Handle combined parallel+workshare cases.
10868 Re-implement to emit code into the CFG.
10870 (expand_omp_parallel): Re-implement to emit code into the CFG.
10871 Call move_sese_region_to_fn to outline the sub-graph
10872 containing the parallel region.
10873 (expand_omp_for_1): Remove.
10874 (expand_omp_for_generic): Re-implement to emit code into the
10876 (expand_omp_for_static_nochunk): Likewise.
10877 (expand_omp_for_static_chunk): Likewise.
10878 (expand_omp_for): Likewise.
10879 (expand_omp_sections): Likewise.
10880 (remove_exit_barriers): New.
10881 (expand_omp_synch): New.
10883 (build_omp_regions_1): New.
10884 (build_omp_regions): New.
10885 (execute_expand_omp): New.
10886 (gate_expand_omp): New.
10887 (pass_expand_omp): Define.
10888 (lower_omp_sections): Rename from expand_omp_sections.
10889 Set OMP_SECTIONS_SECTIONS.
10890 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10891 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10892 (lower_omp_single): Rename from expand_omp_simple.
10893 (lower_omp_master): Rename from expand_omp_master.
10894 (lower_omp_ordered): Rename from expand_omp_ordered.
10895 (lower_omp_critical): Rename from expand_omp_critical.
10896 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10897 (lower_omp_for): Re-implement.
10898 (lower_omp_parallel): Re-implement.
10899 (lower_regimplify): Rename from expand_regimplify.
10900 (lower_omp_1): Rename from expand_omp_1.
10901 If there are syntax errors in the program, replace every
10902 OpenMP directive with NOP.
10903 Call lower_omp_* instead of expand_omp_*.
10904 (lower_omp): Rename from expand_omp.
10906 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10907 * tree-gimple.h (enum omp_parallel_type): Remove.
10908 (gimple_boolify): Declare extern.
10909 (find_omp_clause, determine_parallel_type): Remove.
10911 * gimple-low.c (lower_omp_directive): New.
10912 (lower_stmt): Call it.
10913 (record_vars_into): Move from ...
10914 (record_vars): ... here.
10915 Call record_vars_into with current_function_decl.
10917 * gimplify.c (struct gimplify_ctx): Remove fields
10918 combined_pre_p and combined_ctxp. Update users.
10919 (get_formal_tmp_var): Add documentation.
10920 (gimple_boolify): Make extern.
10921 (gimplify_expr_in_ctx): Remove. Update callers.
10922 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10923 will always be a BIND_EXPR.
10924 (gimplify_expr): Handle OMP_RETURN_EXPR.
10925 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10926 (OMP_PARALLEL): Add 3 operands.
10927 (OMP_SECTIONS): Add 1 operand.
10928 (OMP_RETURN_EXPR): Define.
10930 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10931 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10932 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10933 creating a circular free list.
10934 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10936 * tree-flow.h (move_sese_region_to_fn): Declare.
10937 (record_vars_into): Declare.
10938 * tree-cfg.c (make_omp_sections_edges): New.
10939 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10940 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10941 OMP_SECTIONS and OMP_SECTION.
10942 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10943 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10944 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10945 (gather_blocks_in_sese_region): New.
10946 (struct move_stmt_d): Declare.
10947 (move_stmt_r): New.
10948 (move_block_to_fn): New.
10949 (move_sese_region_to_fn): New.
10951 * passes.c (init_optimization_passes): Schedule
10952 pass_expand_omp after pass_init_datastructures.
10954 * tree-ssa-operands.c (get_expr_operands): Handle
10955 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10956 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10958 2006-01-19 Jeff Law <law@redhat.com>
10960 * tree-vrp.c (extract_range_from_assert): Refine the result range
10961 if the variable referenced by the ASSERT_EXPR has a range and
10962 either the tentative result range or the previous range is a
10965 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10967 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10969 2006-01-19 Jan Hubicka <jh@suse.cz>
10971 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10973 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10975 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10976 (expand_compound_operation, expand_field_assignment): Fail if the
10977 bit lengths of an extract operation are out of range.
10978 (make_extraction): Compute wanted_inner_mode based on the position
10979 and length of the extraction. Make it extraction_mode for non-constant
10980 positions, and do not modify offset in that case. When generating a
10981 new MEM, use a mode that can hold the extraction while keeping correct
10982 alignment. Remove code that supported MEMs wrapped by USEs.
10983 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10985 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10987 * config/s390/s390.md ("Y", "y"): New mode attribute.
10988 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10989 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10990 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10991 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10992 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10993 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10994 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10995 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10996 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10997 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10998 "addsi3", "subsi3"): Insn patterns removed.
10999 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11000 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11001 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11002 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11003 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11004 "*sub<mode>3_cconly2"): New insn patterns.
11005 ("addsi3", "subsi3"): New expanders.
11007 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11009 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11010 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11011 existing STMT_VINFO_VECTYPE if available.
11012 (vect_mark_relevant): Add special handling for stmts that are
11013 marked as STMT_VINFO_IN_PATTERN_P.
11014 (vect_analyze_loop): Call vect_pattern_recog.
11015 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11016 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11018 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11019 (vect_recog_func_ptr): New function-pointer type.
11020 * tree-vect-patterns.c: New file.
11021 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11022 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11023 (vect_pattern_recog_1): New functions.
11024 (vect_pattern_recog_funcs): New array of function pointers.
11026 * tree-vectorizer.h (ternary_op): New enum value.
11027 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11028 declaration. Revised documentation. Removed redundant dump prints.
11029 Removed redundant argument. Added support for reduction patterns.
11030 (vectorizable_reduction): Added support for reduction patterns.
11031 (vect_transform_stmt): Added support for patterns.
11033 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11034 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11035 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11036 (expand_widen_pattern_expr): New function.
11037 (init_optabs): Initialize new optabs udot_prod_optab,
11039 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11040 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11041 (expand_widen_pattern_expr): New function declaration.
11042 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11044 * tree-inline.c (estimate_num_insns_1): Added cases for new
11045 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11046 * tree-pretty-print.c (dump_generic_node): Likewise.
11047 (op_prio): Likewise.
11048 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11049 * tree-ssa-operands.c (get_expr_operands): Added case for
11051 * tree-vect-patterns.c (widened_name_p): New function.
11052 (vect_recog_dot_prod_pattern): Added function implementation.
11053 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11054 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11055 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11056 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11058 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11059 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11060 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11061 (init_optabs): Initialize new optabs widen_ssum_optab,
11063 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11064 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11065 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11066 use instead of type of def.
11067 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11068 function implementation.
11069 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11070 widen_ssumv8hi): New.
11072 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11075 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11078 * c-decl.c (add_flexible_array_elts_to_size): New function.
11079 (finish_decl): Use it.
11081 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11083 * diagnostic.h: Include options.h.
11084 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11085 dependancies for diagnostic.h.
11086 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11088 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11090 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11091 (ssa_ro_call_cache_valid): Ditto.
11092 * tree-ssa-alias.c (sort_tags_by_id): New function.
11093 (init_transitive_clobber_worklist): Ditto.
11094 (add_to_worklist): Ditto.
11095 (mark_aliases_call_clobbered): Ditto.
11096 (compute_tag_properties): Ditto.
11097 (set_initial_properties): Ditto.
11098 (compute_call_clobbered): Ditto.
11099 (compute_may_aliases): Call compute_call_clobbered and grouping.
11100 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11101 (compute_flow_insensitive_aliasing): Grouping now happens in our
11103 (setup_pointers_and_addressables): Remove clobbering related code.
11104 (add_may_alias): Ditto.
11105 (replace_may_alias): Ditto.
11106 (get_nmt_for): Ditto.
11107 (create_global_var):
11108 (is_escape_site): Return an escape_type enumeration.
11109 * tree-flow-inline.h (is_call_clobbered): Global var does not
11110 imply call clobbered.
11111 (mark_call_clobbered): Take a reason for marking this. Remove
11112 marking of globalness, and cache invalidation.
11113 (clear_call_clobbered): Remove cache invalidation code.
11114 * tree-dfa.c (dump_variable): If details is on, dump the reason
11116 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11118 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11119 (struct var_ann_d): Ditto.
11120 (enum escape_type): New.
11121 (mark_call_clobbered): Adjust prototype.
11122 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11123 are never call clobbered.
11124 Record reasons for escaping.
11125 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11126 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11127 (ssa_ro_call_cache_valid): Ditto.
11128 (clobbered_v_may_defs): Ditto.
11129 (clobbered_vuses): Ditto.
11130 (ro_call_vuses): Ditto.
11131 (clobber_stats): New.
11132 (init_ssa_operands): Zero out clobber stats.
11133 (fini_ssa_operands): Print out clobber stats.
11134 (get_call_expr_operands): Pass callee fndecl to
11135 add_call_read_ops).
11136 (add_call_clobber_ops): Remove use of cache.
11137 Add use of PURE_CONST information.
11138 (add_call_read_ops): Remove use of cache.
11139 Add use of static not_read information.
11141 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11143 Introduce TLS descriptors for i386 and x86_64.
11144 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11145 (TARGET_ANY_GNU_TLS): New macro.
11146 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11147 (struct machine_function): Add tls_descriptor_call_expanded_p.
11148 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11149 (ix86_current_function_calls_tls_descriptor): Likewise.
11150 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11151 (override_options): Introduce gnu2 tls dialect.
11152 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11154 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11156 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11157 (ix86_init_machine_status): Initialize new field.
11158 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11159 (ix86_tls_module_base): New.
11160 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11161 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11162 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11163 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11164 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11165 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11166 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11167 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11168 * config/i386/predicates.md (tls_modbase_operand): New.
11169 (tp_or_register_operand): New.
11171 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11173 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11174 (look_for_address_of): Ditto.
11175 (ipa_init): Walk the function decls.
11176 (static_execute): Don't set readonly on FUNCTION_DECL's.
11178 2006-01-18 Roger Sayle <roger@eyesopen.com>
11180 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11181 for shifts where the source and destination registers are different.
11183 2006-01-18 Paul Brook <paul@codesourcery.com>
11185 Merge from csl-arm-branch.
11186 2005-03-14 Julian Brown <julian@codesourcery.com>
11187 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11188 (aeabi_llsl): Likewise.
11189 (ashrdi3): Likewise.
11190 (aeabi_lasr): Likewise.
11191 (lshrdi3): Likewise.
11192 (aeabi_llsr): Likewise.
11193 2005-03-10 Julian Brown <julian@codesourcery.com>
11194 * config.gcc: Disable shared libgcc for SymbianOS.
11195 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11197 2006-01-18 DJ Delorie <dj@redhat.com>
11199 * c-pragma.c (handle_pragma_diagnostic): New.
11200 (init_pragma): Register it.
11201 * doc/extend.texi: Document it.
11203 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11204 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11205 (diagnostic_context): Add classify_diagnostic[].
11206 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11207 as errors if they're overridden to DK_WARNING.
11208 (diagnostic_initialize): Initialize classify_diagnostic[].
11209 (diagnostic_set_kind_override): New.
11210 (diagnostic_report_diagnostic): Check for kind changes.
11211 * opts.c (common_handle_option): Take lang_mask. Update callers.
11212 Handle OPT_Werror_.
11213 * common.opt (Werror=): New.
11214 * doc/invoke.texi: Document -Werror=*
11216 2006-01-18 Jeff Law <law@redhat.com>
11218 * tree-vrp.c (test_for_singularity): Correct test for new
11219 min limit. Use operand_equal_p rather than pointer equality
11220 for testing if new min/max values are equal.
11222 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11223 using range information until after propagation and folding.
11225 2006-01-18 Richard Henderson <rth@redhat.com>
11226 Aldy Hernandez <aldyh@redhat.com>
11227 Jakub Jelinek <jakub@redhat.com>
11228 Diego Novillo <dnovillo@redhat.com>
11230 * omp-low.c: New file.
11231 * c-omp.c: New file.
11233 2006-01-18 Richard Henderson <rth@redhat.com>
11234 Jakub Jelinek <jakub@redhat.com>
11235 Diego Novillo <dnovillo@redhat.com>
11237 * doc/invoke.texi: Document -fopenmp.
11238 * tree-dump.h (debug_function): Declare.
11239 * hooks.c (hook_bool_tree_bool_false): New function.
11240 (hook_tree_tree_null): Remove.
11241 (hook_tree_tree_tree_null): New.
11242 * hooks.h: Update to match.
11243 * tree-pretty-print.c (debug_tree_chain): New.
11244 (print_generic_expr): Handle TDF_CHAIN.
11245 (dump_generic_node): Handle BLOCK.
11246 Do not abort with incomplete SWITCH_EXPRs.
11247 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11248 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11249 print space after directive name.
11250 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11251 Handle OMP_MASTER and OMP_ORDERED.
11252 Handle printing of OMP_BODY just in one place, goto
11253 dump_omp_body in the rest of OMP_* nodes that have
11255 Don't handle clause nodes here. Update omp statements to
11256 use dump_omp_clauses.
11257 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11258 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11259 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11260 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11261 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11262 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11263 Adjust output for GOMP_PARALLEL.
11264 (dump_omp_clauses): New.
11265 (print_declaration): Dump DECL_VALUE_EXPR.
11266 (op_symbol_1): Split out of op_symbol.
11267 (dumping_stmts): Remove. Update all users.
11268 * cgraph.c (cgraph_analyze_queue): New.
11269 (cgraph_add_new_function): New.
11270 * cgraph.h (cgraph_analyze_queue): Declare.
11271 (cgraph_add_new_function): Declare.
11272 (cgraph_lower_function): Remove.
11273 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11274 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11275 and TYPE_P nodes in its default clause.
11276 (empty_body_p): New.
11277 (tree_range_check_failed): New.
11278 (build5_stat): New.
11279 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11280 OMP_CLAUSE_REDUCTION_MERGE,
11281 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11282 OMP_CLAUSE_PRIVATE_DEBUG,
11283 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11284 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11285 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11286 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11287 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11288 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11289 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11290 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11291 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11292 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11293 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11294 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11295 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11296 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11297 (TREE_RANGE_CHECK): New.
11298 (empty_body_p): Declare.
11299 (enum omp_clause_default_kind): New.
11300 (build_string_literal): Declare.
11301 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11302 (build5_stat, build5): Declare.
11303 * tree-pass.h (TDF_CHAIN): Define.
11304 * tree-pass.h (PROP_gimple_lomp): Define.
11305 (pass_lower_omp): Declare.
11306 * diagnostic.h (debug_tree_chain): Declare.
11307 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11309 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11310 * builtins.c (build_string_literal): Make extern.
11311 * gcc.c (include_spec_function): New.
11312 (static_spec_functions): Add it.
11313 (main): Move load of libgomp.spec ...
11314 (LINK_COMMAND_SPEC): ... here.
11315 (link_gomp_spec): New.
11316 (static_specs): Include it.
11317 (LINK_COMMAND_SPEC): Add link_gomp.
11318 (GOMP_SELF_SPECS): New.
11319 (driver_self_specs): Include it.
11320 (switch_matches): Don't mark inline.
11321 (main): Load libgomp.spec.
11322 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11323 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11324 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11325 * tree-gimple.h (enum omp_parallel): Declare.
11326 (determine_parallel_type): Declare.
11327 (omp_firstprivatize_variable): Declare.
11328 (omp_reduction_init): Declare.
11329 (diagnose_omp_structured_block_errors): Declare.
11330 (struct walk_stmt_info): Add want_return_expr.
11331 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11332 (find_omp_clause): Declare.
11333 (insert_field_into_struct): Declare.
11334 (struct walk_stmt_info): Move from tree-nested.c
11335 (walk_stmts): Declare.
11336 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11338 * cgraphunit.c (cgraph_lower_function): Make static.
11339 (cgraph_finalize_pending_functions): New.
11340 (cgraph_finalize_function): Call it.
11341 (cgraph_finalize_compilation_unit): Likewise.
11342 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11343 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11344 (BT_FN_UINT_UINT): New.
11345 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11346 DEF_FUNCTION_TYPE_VAR_4): Document.
11347 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11348 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11349 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11350 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11351 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11352 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11353 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11354 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11355 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11356 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11357 into separate files.
11358 (DEF_GOMP_BUILTIN): New.
11359 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11360 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11361 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11362 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11363 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11364 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11365 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11366 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11367 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11368 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11369 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11370 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11371 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11372 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11373 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11374 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11375 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11376 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11377 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11378 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11379 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11380 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11381 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11382 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11383 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11384 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11385 * sync-builtins.def: New file, moved from builtins.def.
11386 * omp-builtins.def: New file, moved from builtins.def.
11387 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11388 * gimple-low.c (lower_function_body): Clear data.
11389 (lower_stmt): Do not handle COMPOUND_EXPR.
11390 Remove call to print_node_brief.
11391 * c-tree.h (c_finish_omp_clauses): New prototype.
11392 (C_DECL_THREADPRIVATE_P): Define.
11393 (lookup_name_no_remap, c_omp_remap_private): Remove
11394 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11395 (check_for_loop_decls): Update decl.
11396 (lookup_name_no_remap, c_omp_remap_private): Declare.
11397 (build_indirect_ref, build_modify_expr, pushdecl,
11398 pushdecl_top_level): Move to c-common.h.
11399 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11400 before the switch, but just in the 2 places that need it.
11401 * c-decl.c (diagnose_mismatched_decls): Do not check for
11402 mismatched thread-local attributes when OLDDECL is marked
11403 threadprivate and NEWDECL has no thread-local attributes.
11404 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11405 (c_gimple_diagnostics_recursively): Rename from
11406 c_warn_unused_result_recursively. Invoke
11407 diagnose_omp_structured_block_errors.
11408 (check_for_loop_decls): Return a singular decl found.
11409 * langhooks.c (lhd_omp_predetermined_sharing): Return
11410 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11411 (lhd_omp_firstprivatize_type_sizes): New.
11412 (lhd_omp_assignment): New.
11413 (lhd_omp_predetermined_sharing): New.
11414 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11415 (struct lang_hooks_for_types): Add
11416 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11417 omp_predetermined_sharing, omp_disregard_value_expr,
11418 omp_private_debug_clause, omp_clause_default_ctor,
11419 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11420 (c_finish_omp_clauses): New.
11421 (c_finish_bc_stmt): Diagnose break within omp for.
11422 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11423 (build_unary_op): Return error_mark after reporting
11425 (build_modify_expr): Likewise.
11426 * gimplify.c: Include optabs.h and pointer-set.h.
11427 (enum gimplify_omp_var_data): Declare.
11428 (struct gimplify_omp_ctx): Declare.
11429 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11431 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11432 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11433 (splay_tree_compare_decl_uid): New.
11434 (new_omp_context): New.
11435 (delete_omp_context): New.
11436 (gimple_add_tmp_var): Call omp_add_variable.
11437 (gimplify_bind_expr): Likewise.
11438 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11439 true, disregard DECL_VALUE_EXPR on the decl if any.
11440 (gimplify_expr_in_ctx): New.
11441 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11442 omp_add_variable, omp_notice_variable, omp_is_private
11443 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11444 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11445 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11446 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11447 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11448 gimplify_omp_atomic): New.
11449 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11450 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11451 OMP_CRITICAL and OMP_ATOMIC.
11452 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11453 * c-pragma.h (enum pragma_kind): Add
11454 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11455 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11456 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11457 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11458 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11459 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11460 PRAGMA_OMP_THREADPRIVATE.
11461 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11462 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11463 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11464 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11465 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11466 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11467 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11468 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11469 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11470 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11471 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11472 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11473 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11475 (struct nesting_info): Add field_map,
11476 suppress_expansion, debug_var_chain.
11477 (create_nesting_tree): Initialize them.
11478 (lookup_field_for_decl): Use field_map.
11479 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11480 (convert_local_omp_clauses): New.
11481 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11482 (walk_body): Split out of walk_function.
11483 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11484 (convert_nonlocal_reference): Handle omp statements.
11485 (convert_local_reference): Likewise.
11486 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11487 (unnest_nesting_tree): New.
11488 (lower_nested_functions): Call it.
11489 (insert_field_into_struct): Make extern.
11490 (struct walk_stmt_info): Move to tree-gimple.h.
11491 (walk_stmts): Make extern.
11492 * omp-builtins.def: New file.
11493 * tree-iterator.c (expr_only): Clarify comment.
11494 * c-common.h (pushdecl_top_level, pushdecl,
11495 build_modify_expr, build_indirect_ref,
11496 c_finish_omp_master, c_finish_omp_critical,
11497 c_finish_omp_ordered, c_finish_omp_barrier,
11498 c_finish_omp_atomic, c_finish_omp_flush,
11499 c_finish_omp_for, c_split_parallel_clauses,
11500 omp_clause_default_kind, c_omp_sharing_predetermined,
11501 c_omp_remap_decl): Declare.
11502 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11503 (OBJS-common): Add omp-low.o.
11504 (c-omp.o, omp-low.o): Add.
11505 (gimplify.o): Add dependency on $(OPTABS_H).
11506 (GTFILES): Add omp-low.c.
11507 (gt-stringpool.h): Add.
11508 * tree-cfg.c (set_bb_for_stmt): Do not update the
11509 block-to-labels map if we are currently expanding to RTL.
11510 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11512 Handle IDENTIFIER_NODE.
11513 (tree_verify_flow_info): Do not ICE when emitting error
11514 messages about invalid labels.
11515 (dump_function_to_file): Reset CFUN before emitting the body
11517 (debug_function): New.
11518 * passes.c (init_optimization_passes): Schedule
11520 * langhooks-def.h (lhd_omp_predetermined_sharing,
11521 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11523 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11524 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11525 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11526 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11527 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11528 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11529 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11530 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11531 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11532 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11533 (LANG_HOOK_DECLS): Use them.
11535 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11536 Richard Henderson <rth@redhat.com>
11537 Jakub Jelinek <jakub@redhat.com>
11538 Diego Novillo <dnovillo@redhat.com>
11540 * c-parser.c (pragma_omp_clause): Define.
11541 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11542 (c_parser_compound_statement): Likewise.
11543 (c_parser_statement): Likewise.
11544 (c_parser_pragma): Handle omp pragmas.
11545 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11546 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11547 (c_parser_omp_clause_name, check_no_duplicate_clause,
11548 c_parser_omp_variable_list,
11549 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11550 c_parser_omp_clause_copyprivate,
11551 c_parser_omp_clause_default,
11552 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11553 c_parser_omp_clause_lastprivate,
11554 c_parser_omp_clause_nowait,
11555 c_parser_omp_clause_num_threads,
11556 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11557 c_parser_omp_clause_reduction,
11558 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11559 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11560 c_parser_omp_atomic, c_parser_omp_barrier,
11561 c_parser_omp_critical, c_parser_omp_flush,
11562 c_parser_omp_for_loop, c_parser_omp_for,
11563 c_parser_omp_master, c_parser_omp_ordered,
11564 c_parser_omp_sections_scope, c_parser_omp_sections,
11565 c_parser_omp_parallel, c_parser_omp_single,
11566 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11567 * c-pragma.c (init_pragma): Do omp pragma registration here.
11568 * c.opt (fopenmp): New flag.
11570 2006-01-18 Eric Christopher <echristo@apple.com>
11572 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11573 * config/darwin.h (GOMP_SELF_SPECS): Define.
11575 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11577 * rtl.h: Remove the prototype for reg_alloc.
11579 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11582 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11583 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11584 sjlj and dwarf2 exception handling.
11585 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11586 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11587 * pa/pa.c (function_value): Treat complex and vector types as
11589 (function_arg): Likewise. Only pass scalar floats in the floating
11590 point argument registers.
11591 * pa/t-slibgcc-dwarf-ver: New file.
11592 * pa/t-slibgcc-sjlj-ver: New file.
11593 * pa/t-slibgcc-elf-ver: Delete file.
11595 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11597 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11598 unlikely_test_section_p test.
11600 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11602 * mode-switching.c (optimize_mode_switching): Make it static.
11603 * basic-block.h: Remove the prototype for
11604 optimize_mode_switching.
11606 * modulo-sched.c (sms_schedule): Make it static.
11607 * rtl.h: Remove the prototype for sms_schedule.
11609 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11610 * rtl.h: Remove the prototype for gcse_after_reload_main.
11612 * reg-stack.c (reg_to_stack): Make it static.
11613 * rtl.h: Remove the prototype for reg_to_stack.
11615 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11617 * rtl.h: Remove the prototypes for regrename_optimize and
11618 copyprop_hardreg_forward.
11620 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11622 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11623 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11624 Test against the appropriate null constant for the mode.
11625 If 'fixup_overlap' is true, swap the operands if they overlap.
11626 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11627 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11628 alpha_split_tmode_pair and adjust for above change.
11629 * config/alpha/alpha.md (movtf_internal): Adjust call to
11630 alpha_split_tfmode_pair and rely on it to swap the operands.
11631 (movti_internal): New insn and post-reload splitter.
11632 (movti): New expander.
11634 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11636 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11639 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11641 * rtlanal.c (global_reg_mentioned_p_1,
11642 global_reg_mentioned_p): Remove.
11643 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11645 * flow.c (initialize_uninitialized_subregs): Make it static.
11646 * rtl.h: Remove the prototype for
11647 initialize_uninitialized_subregs.
11649 * function.c (instantiate_virtual_regs): Make it static.
11650 * function.h: Remove the prototype for
11651 instantiate_virtual_regs.
11653 * regmove.c (regmove_optimize, combine_stack_adjustments):
11655 * rtl.h: Remove the prototypes for regmove_optimize and
11656 combine_stack_adjustments.
11658 2006-01-17 Roger Sayle <roger@eyesopen.com>
11660 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11661 (size_cost): Encode costs in bytes so that a reg-reg addition is
11662 equivalent to COSTS_N_INSNS(1).
11663 (override_options): Use the size_cost.branch_cost as the default
11664 ix86_branch_cost when optimizing for size.
11666 2006-01-18 Ben Elliston <bje@au.ibm.com>
11668 * Makefile.in (D32PBIT_FUNCS): New.
11669 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11670 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11671 D64PBIT_FUNCS and D128PBIT_FUNCS.
11672 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11673 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11675 (decnumber_dep): Define.
11676 * doc/libgcc.texi (Decimal float library routines): New node.
11677 * config/dfp-bit.h, config/dfp-bit.c: New files.
11679 2006-01-18 Ben Elliston <bje@au.ibm.com>
11681 * expr.c (emit_move_change_mode): Always adjust addresses, not
11682 just during reload. Copy replacements only during reload.
11683 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11684 emit_move_via_integer.
11686 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11688 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11689 instead of $(srcdir) and ${srcdir}.
11691 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11694 PR middle-end/11135
11695 * arm.h (struct machine_function): Add pic_reg.
11696 * arm.c (arm_pic_register): Make unsigned.
11697 (arm_override_options): Only set arm_pic_register if
11698 TARGET_SINGLE_PIC_BASE.
11699 (use_return_insn): Only test for a pic register if it is fixed.
11700 (arm_compute_save_reg0_reg12_mask): Likewise.
11701 (thumb_compute_save_reg_mask): Likewise.
11702 (legitimate_pic_operand): Factor out some known invariants.
11703 (legitimize_pic_address): If we don't have a fixed pic register,
11704 then set up a pseudo in the function entry sequence. Handle the
11705 pic base being in a pseudo.
11706 (arm_load_pic_register): Handle the pic register being in a pseudo.
11707 (arm_expand_prologue): Only set up the pic register if it is fixed.
11708 (thumb_expand_prologue): Likewise.
11709 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11710 (pic_load_addr_based_insn): Likewise.
11711 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11714 2006-01-18 Ben Elliston <bje@au.ibm.com>
11716 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11717 decimal float modes for all floating point registers.
11719 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11720 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11722 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11725 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11726 even when the pointer is not NULL.
11728 2006-01-16 Ian Lance Taylor <ian@airs.com>
11730 * common.opt (ftoplevel-reorder): New option.
11731 * cgraph.c (cgraph_asm_nodes): New global variable.
11732 (cgraph_asm_last_node): New static variable.
11733 (cgraph_order): New global variable.
11734 (cgraph_create_node): Set new order field.
11735 (cgraph_varpool_node): Likewise.
11736 (decide_is_variable_needed): Return true if not
11737 flag_toplevel_reorder.
11738 (cgraph_add_asm_node): New function.
11739 * cgraph.h (struct cgraph_node): Add order field.
11740 (struct cgraph_varpool_node): Add order field.
11741 (struct cgraph_asm_node): Define.
11742 (cgraph_asm_nodes, cgraph_order): Declare.
11743 (cgraph_add_asm_node): Declare.
11744 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11746 (cgraph_varpool_assemble_pending_decls): Call it.
11747 (cgraph_output_pending_asms): New static function.
11748 (cgraph_finalize_compilation_unit): Call it.
11749 (struct cgraph_order_sort): Define.
11750 (cgraph_output_in_order): New static function.
11751 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11752 !flag_toplevel_reorder case.
11753 * c-parser.c: Include "cgraph.h".
11754 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11756 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11757 than -fno-unit-at-a-time.
11758 * doc/invoke.texi (Option Summary): Mention
11759 -fno-toplevel-reorder.
11760 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11761 -funit-at-a-time documentation.
11763 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11764 Kazu Hirata <kazu@codesourcery.com>
11766 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11768 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11770 * Makefile.in (FUNCTION_H): New. Use it instead of
11771 function.h throughout the file.
11772 * function.h: Include tree.h.
11774 2006-01-17 Ben Elliston <bje@au.ibm.com>
11776 * recog.c: Separate some functions with whitespace.
11778 2006-01-16 Richard Henderson <rth@redhat.com>
11780 Merge from gomp branch:
11781 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11782 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11783 and rename from struct inline_data. Rename callee* to dst*;
11784 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11785 transform_new_cfg, transform_return_to_modify, and
11786 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11788 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11789 (copy_decl_for_dup): Remove.
11790 * tree-inline.c (struct inline_data): Move to header.
11791 (insert_decl_map): Export.
11792 (remap_decl): Update for member name changes. Use copy_decl hook.
11793 Allow for replacement to be a non-decl. Remove dead code.
11794 (remap_type_1): Check for existing mapping.
11795 (remap_type): Export.
11796 (remap_decls): Update for member name changes.
11797 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11798 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11799 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11800 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11801 (tree_function_versioning, build_duplicate_type): Likewise.
11802 (copy_body_r): Likewise. Export.
11803 (copy_decl_for_dup): Split into ...
11804 (copy_decl_for_dup_finish, copy_decl_to_var,
11805 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11806 (replace_ref_tree, inlining_p): Remove.
11808 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11810 * ifcvt.c (if_convert): Make it static.
11811 * rtl.h: Remove the prototype for if_convert.
11813 * local-alloc.c (local_alloc): Make it static.
11814 * rtl.h: Remove the prototype for local_alloc.
11816 * loop.c (loop_optimize): Make it static.
11817 * cfgloop.h: Remove the prototype for loop_optimize.
11820 2006-01-16 DJ Delorie <dj@redhat.com>
11822 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11825 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11827 * pa.md: Disparage copies between general and floating-point registers
11828 in 32-bit move patterns.
11830 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11833 * Makefile.in (check-%): Depend on site.exp instead of
11834 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11837 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11839 * global.c (global_alloc): Make it static.
11840 * rtl.h: Remove the prototype for global_alloc.
11842 2006-01-16 Richard Guenther <rguenther@suse.de>
11844 * tree-ssa-alias.c (struct used_part): Add write_only field.
11845 (get_or_create_used_part_for): Initialize it to true.
11846 (create_overlap_variables_for): Don't create structure variables
11847 for structures that only are written to.
11848 (find_used_portions): Handle MODIFY_EXPR to track whether a
11849 structure is only written to.
11851 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11853 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11855 * basic-block.h: Remove the prototype for
11856 partition_hot_cold_basic_blocks.
11858 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11860 * cppspec.c (lang_specific_spec_functions): Remove.
11861 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11862 * gcc.h (lang_specific_spec_functions): Remove.
11863 * gccspec.c (lang_specific_spec_functions): Remove.
11865 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11867 * combine.c (record_value_for_reg): Invalidate registers
11869 (record_dead_and_set_regs_1): Likewise, by passing them to
11870 record_value_for_reg.
11871 (record_dead_and_set_regs): Invalidate stores made by a
11872 call. We do not combine across a call, but we still
11873 relied on equivalences.
11875 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11877 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11878 vrp_int_const_binop returning non-constant nodes.
11880 2006-01-16 Paul Brook <paul@codesourcery.com>
11882 * config/m68k/m68k.c (output_move_const_into_data_reg):
11883 Output correct mnemonic for mvz and mvs.
11885 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11887 * rtl-factoring.c: Add sequence abstraction algorithm.
11888 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11889 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11891 (block_has_preserve_label): New function.
11892 * common.opt: Register new pass.
11893 * Makefile.in: Ditto.
11895 * timevar.def: Ditto.
11896 * tree-pass.h: Ditto.
11897 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11898 * rtl.h (make_jump_insn_raw): Add forward decl.
11899 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11901 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11902 Roger Sayle <roger@eyesopen.com>
11904 * fold-const.c (fold_minmax): New static function.
11905 (fold_binary) <MIN_EXPR>: Call it.
11906 <MAX_EXPR>: Likewise.
11907 * stor-layout.c (place_field): Use DECL_SIZE consistently
11908 in the computation of the new record size.
11910 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11912 * cse.c (cse_condition_code_reg): Make it static.
11913 * rtl.h: Remove the prototype for cse_condition_code_reg.
11915 * combine.c (combine_instructions): Make it static.
11916 * rtl.h: Remove the prototype for combine_instructions.
11918 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11921 * tree.c (get_file_function_name_long): Concatenate the first global
11922 object name with a string derived from the input filename of the object
11925 2006-01-16 Ben Elliston <bje@au.ibm.com>
11927 * config/i386/winnt-stubs.c: Update FSF address.
11928 * config/xtensa/ieee754-df.S: Ditto.
11929 * config/xtensa/ieee754-sf.S: Ditto.
11931 2006-01-14 Ian Lance Taylor <ian@airs.com>
11933 * ifcvt.c (noce_init_if_info): New static function, broken out of
11934 noce_process_if_block.
11935 (noce_process_if_block): Call noce_init_if_info.
11936 (check_cond_move_block): New static function.
11937 (cond_move_process_if_block): New static function.
11938 (process_if_block): Call cond_move_process_if_block.
11940 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11942 * cselib.c (hash_table): Rename to cselib_hash_table.
11943 (cselib_clear_table, discard_useless_values,
11944 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11945 cselib_init, cselib_finish): Adjust uses of hash_table.
11947 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11949 PR tree-optimization/25485
11950 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11951 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11952 is known to be false and true, respectively.
11954 2006-01-14 Richard Guenther <rguenther@suse.de>
11956 PR tree-optimization/22548
11957 PR tree-optimization/22555
11958 PR tree-optimization/22501
11959 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11960 * params.def (salias-max-array-elements): New parameter.
11961 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11962 * doc/invoke.texi (salias-max-array-elements): Document.
11963 * tree-flow-inline.h (var_can_have_subvars): We also handle
11965 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11967 * tree-ssa-structalias.c (params.h): Include.
11968 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11969 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11970 (get_constraint_for): For ADDR_EXPR operating on something
11971 containing an ARRAY_REF, add all subvars to the solution.
11972 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11973 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11974 for creating MUST_DEFs.
11975 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11977 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11979 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11981 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11982 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11983 number_of_iterations_le): New functions.
11984 (number_of_iterations_special): Removed.
11985 (number_of_iterations_exit): Do not use number_of_iterations_special.
11986 * tree.c (unsigned_type_for): Always return integer type.
11988 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11989 Richard Guenther <rguenther@suse.de>
11991 PR rtl-optimization/24257
11992 * gcse.c (find_moveable_store): Only consider a store movable
11993 when the SET_SRC of the insn can be assigned to a register.
11995 2006-01-14 Ian Lance Taylor <ian@airs.com>
11997 * tree.c (tree_not_class_check_failed): New function.
11998 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11999 (tree_not_class_check_failed): Declare.
12001 2006-01-13 Ian Lance Taylor <ian@airs.com>
12003 * reload1.c (do_output_reload): Add assertion rejecting a
12006 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12008 * combine.c (struct reg_stat): Add new fields truncation_label and
12010 (record_value_for_reg): Reset truncated_to_mode.
12011 (record_truncated_value): New function.
12012 (check_promoted_subreg): Call it. Rename to check_conversions.
12013 (combine_instructions): Rename check_promoted_subreg to
12015 (reg_truncated_to_mode): New function.
12016 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12017 (gen_lowpart_or_truncate): New function.
12018 (force_to_mode): Use it instead of gen_lowpart.
12020 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12022 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12023 VAR is a tag, not its type tag.
12025 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12027 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12028 alternatives to match style of other entries.
12029 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12031 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12033 PR tree-optimization/25771
12034 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12037 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12040 * tree-inline.c (declare_return_variable): If the return variable
12041 was marked as a non gimple complex, set the return slot variable
12042 to be a non gimple comple variable.
12044 2006-01-13 Richard Guenther <rguenther@suse.de>
12046 * builtins.c (expand_builtin_sincos): New function.
12047 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12049 (expand_builtin): Expand sincos using expand_builtin_sincos.
12051 2006-01-12 DJ Delorie <dj@redhat.com>
12053 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12054 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12055 so that constant shifts can be split.
12056 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12057 (m32c_valid_pointer_mode): Make static.
12058 (shift_gen_func_for): New.
12059 (m32c_prepare_shift): Use it. Split large const shifts into
12061 * config/m32c/predicates.md (shiftcount_operand): Allow more
12063 (longshiftcount_operand): New.
12064 * doc/md.texi (Machine Constraints): Document In6.
12066 2006-01-13 Ben Elliston <bje@au.ibm.com>
12068 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12069 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12072 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12074 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12075 to try to avoid clobbering pieces of structures when we know
12076 something about the whole structure.
12077 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12079 2006-01-13 Ben Elliston <bje@au.ibm.com>
12081 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12082 return in memory, as this is no limitation is no longer present.
12084 2006-01-12 DJ Delorie <dj@redhat.com>
12086 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12087 mova with fb, and for fb+0 -> An.
12089 * config/m32c/mov.md (peephole2): Fix enabling logic.
12091 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12092 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12093 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12094 FINI_ARRAY_SECTION_ASM_OP): Define.
12096 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12098 (m32c_legitimize_reload_address): New logic to reload FB to An.
12099 (m32c_output_reg_push): Add newline.
12100 (m32c_output_reg_pop): Likewise.
12102 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12104 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12106 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12108 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12110 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12112 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12115 2006-01-11 Ben Elliston <bje@au.ibm.com>
12117 * rtlanal.c (find_reg_note): Assert insn is not null.
12119 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12121 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12124 2006-01-11 Jeff Law <law@redhat.com>
12126 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12128 (mark_threaded_blocks, register_jump_thread): New functions.
12129 (thread_through_all_blocks): Remove unwanted argument. No
12130 longer rely on e->aux to communicate thread target info.
12131 Call mark_threaded_blocks. Release the threaded_blocks
12132 bitmap and threaded_edges vector when complete.
12133 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12134 (threaded_blocks): Remove.
12135 (tree_ssa_dominator_optimize): Remove initialization and
12136 finalization of threaded_blocks. Simplify call to
12137 thread_through_all_blocks.
12138 (thread_across_edge): Call register_jump_thread rather than
12139 storing thread information into e->aux.
12140 (free_all_edge_infos): Simplify now that e->aux is no longer
12141 used to communicate with thread_through_all_blocks.
12142 * tree-flow.h (thread_through_all_blocks): Update prototype.
12143 (register_jump_thread): Prototype.
12145 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12147 * df-core.c (df_compact_blocks, df_bb_replace): Use
12148 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12150 2006-01-11 Richard Guenther <rguenther@suse.de>
12152 PR tree-optimization/25734
12153 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12154 stop propagation after successful propagation to the LHS.
12156 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12158 * basic-block.h (control_flow_graph): Change the type of
12159 x_basic_block_info to VEC(basic_block,gc) *.
12160 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12162 (SET_BASIC_BLOCK): New.
12163 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12164 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12165 * cfgbuild.c (find_basic_blocks): Likewise.
12166 * cfglayout.c (fixup_reorder_chain): Likewise.
12167 * cfgrtl.c (create_basic_block_structure,
12168 rtl_create_basic_block): Likewise.
12169 * ifcvt.c (find_if_case_1): Likewise.
12170 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12173 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12175 * Makefile.in: Removed rotted odf.c entry.
12177 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12180 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12181 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12182 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12183 output pattern modifier, not %e.
12184 * config/cris/cris.c (cris_op_str): Update comment about pattern
12186 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12187 before falling through into...
12188 <case 'E'>: Redefined from old 'e' case.
12190 2006-01-11 Jan Hubicka <jh@suse.cz>
12193 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12195 2006-01-11 Jan Hubicka <jh@suse.cz>
12197 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12198 * i386.c (x86_decompose_lea): Kill.
12199 (ix86_rtx_costs): Kill.
12201 2006-01-11 Jan Hubicka <jh@suse.cz>
12203 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12204 * cgraph.h (cgraph_node): Add inline_decl.
12205 (cgraph_insert_node_to_hashtable): Declare.
12206 (save_inline_function_body): Declare.
12207 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12209 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12210 (cgraph_function_versioning): Update call of tree_function_versioning.
12211 (save_inline_function_body): New function.
12212 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12213 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12214 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12215 (cgraph_default_inline_p): Likewise.
12216 (cgraph_decide_inlining_incrementally): Likewise.
12217 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12218 (copy_bb): Kill saving; do updating of clones.
12219 (copy_cfg_body): Kill saving.
12220 (initialize_inlined-parameters): Likewise.
12221 (expand_call_inline): Likewise.
12223 (tree_function_versioning): New parameter "update_clones".
12224 (inlining_p): Kill saving.
12225 * tree-inline.h (tree_function_versioning): Update prototype.
12226 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12229 2006-01-11 Ian Lance Taylor <ian@airs.com>
12231 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12232 Allow undoing set of machine mode.
12233 (do_SUBST): Use enums instead of is_int.
12234 (do_SUBST_MODE): New function.
12235 (SUBST_MODE): New macro.
12236 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12237 reg and trying to replace reg_regno_rtx with a new register.
12238 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12239 (simplify_set): Use SUBST_MODE.
12240 (distribute_notes): Remove code that tried to update reg notes
12241 for regno_reg_rtx changes.
12243 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12245 PR tree-optimization/23109
12246 PR tree-optimization/23948
12247 PR tree-optimization/24123
12249 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12250 * tree-cfg.c (single_noncomplex_succ): New.
12251 * tree-flow.h (single_noncomplex_succ): Declare it.
12252 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12253 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12254 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12255 insert_bb, register_division_in, insert_reciprocals,
12256 replace_reciprocal, free_bb): New.
12257 (execute_cse_reciprocals_1): Rewritten.
12258 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12259 Do not commit any edge insertion. Always compute dominators and
12260 create the allocation pool.
12261 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12262 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12263 * targhooks.c (default_min_divistions_for_recip_mul): New.
12264 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12265 * passes.c (init_optimization_passes): Run recip after tree loop
12267 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12269 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12270 Kenneth Zadeck <zadeck@naturalbridge.com>
12272 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12273 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12274 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12275 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12276 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12277 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12278 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12279 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12280 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12281 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12282 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12283 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12284 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12285 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12286 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12287 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12288 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12289 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12290 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12291 DF_SCAN_POST_ALLOC): New macros.
12292 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12293 df_free_bb_function, df_local_compute_function, df_init_function,
12294 df_dataflow_function, df_confluence_function_0,
12295 df_confluence_function_n, df_transfer_function,
12296 df_finalizer_function, df_free_function, df_dump_problem_function,
12297 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12298 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12299 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12300 df_urec_bb_info, ) New types.
12301 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12303 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12304 df_analyze_simple_change_some_blocks,
12305 df_analyze_simple_change_one_block, df_compact_blocks,
12306 df_bb_replace, df_bb_regno_last_use_find,
12307 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12308 df_insn_regno_def_p, df_find_def, df_find_use,
12309 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12310 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12311 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12312 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12313 debug_df_chain, df_get_dependent_problem, df_chain_create,
12314 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12315 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12316 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12317 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12318 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12319 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12320 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12321 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12322 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12323 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12324 df_reorganize_refs, df_set_state, df_hard_reg_init,
12325 df_read_modify_subreg_p) New public functions.
12326 * df-core.c: The core dataflow solver and glue routines for rtl
12328 (df_init, df_add_problem, df_set_blocks, df_finish,
12329 df_hybrid_search_forward, df_hybrid_search_backward,
12330 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12331 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12332 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12333 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12334 df_reg_defined, df_find_use, df_reg_used, df_dump,
12335 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12336 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12337 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12338 debug_df_useno, reset_df_after_reload): New functions.
12339 * df-scan.c: The scanning fuctions, once in df.c, completely
12340 rewritten so that they now fully model the functionality of
12341 register usage at the backend.
12342 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12343 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12344 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12345 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12346 df_get_artificial_defs, df_get_artificial_uses,
12347 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12348 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12349 df_refs_delete, df_reorganize_refs, df_set_state,
12350 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12351 df_def_record_1, df_defs_record, df_uses_record,
12352 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12353 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12354 df_record_exit_block_uses, df_hard_reg_init): New functions.
12356 * df-problems.c: Seven concrete dataflow problems that use the
12357 scanning in df-scan.c and are solved by the engine in df-core.c.
12358 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12359 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12360 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12361 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12362 df_ru_free_bb_info, df_ru_alloc,
12363 df_ru_bb_local_compute_process_def,
12364 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12365 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12366 df_ru_transfer_function, df_ru_free, df_ru_dump,
12367 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12368 df_rd_free_bb_info, df_rd_alloc,
12369 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12370 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12371 df_rd_transfer_function, df_rd_free, df_rd_dump,
12372 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12373 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12374 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12375 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12376 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12377 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12378 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12379 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12380 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12381 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12382 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12383 df_urec_mark_reg_use_for_earlyclobber,
12384 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12385 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12386 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12387 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12388 df_chain_create_bb_process_use, df_chain_create_bb,
12389 df_chain_finalize, df_chain_free, df_chains_dump,
12390 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12391 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12392 df_reg_lifetime): New functions.
12393 * df.c: Deleted file.
12394 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12395 consistent with new df api.
12396 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12397 rest_of_handle_sms): Ditto.
12398 * web.c (unionfind_union, union_defs, entry_register, web_main):
12400 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12401 invariant_expr_equal_p, find_defs, check_dependencies,
12402 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12403 free_inv_motion_data, move_loop_invariants): Ditto.
12404 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12405 Update dependencies.
12406 (odf.c): Added defective entry that was deleted later in day.
12407 * sched-deps.c (sched_analyze_1): Ditto.
12409 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12411 * tree-ssa-operands.c (get_expr_operands): Record addressable
12412 variables directly. Do not call add_stmt_operands for CONST_DECLs
12414 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12415 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12417 2006-01-11 Ben Elliston <bje@au.ibm.com>
12419 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12420 function returns true in the positive case.
12422 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12425 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12426 for SI, DI, SF and DF modes. Add alternatives to copy between
12427 general and floating point registers to the 32-bit patterns.
12428 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12429 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12430 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12431 generating 64-bit code.
12432 * config/pa/pa.c (output_move_double): Handle copies between general
12433 and floating registers.
12435 2006-01-10 Stuart Hastings <stuart@apple.com>
12437 * config/i386/i386.md (set_got): Update.
12438 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12439 (builtin_setjmp_receiver): Mach-O support.
12440 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12441 (GOT_SYMBOL_NAME): Define.
12442 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12443 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12444 * config/i386/i386.c (override_options): Revise for Darwin.
12445 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12446 support. (darwin_x86_file_end): New. (output_set_got): Add label
12447 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12448 * config/i386/i386-protos.h (output_set_got): Likewise.
12449 * config/darwin.c (machopic_legitimize_pic_address): Update
12452 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12454 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12455 when MODE isn't BLKmode.
12457 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12459 PR rtl-optimization/25367
12460 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12462 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12465 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12466 for a negative bound.
12468 2006-01-10 Richard Guenther <rguenther@suse.de>
12470 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12471 Never override with anything constraint.
12473 2006-01-10 Jan Beulich <jbeulich@novell.com>
12475 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12476 256 bits when optimize_size.
12478 2006-01-10 Jan Beulich <jbeulich@novell.com>
12480 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12482 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12483 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12486 2006-01-10 Ben Elliston <bje@au.ibm.com>
12488 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12490 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12491 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12492 (USE_FP_FOR_ARG): Reject decimal float modes.
12493 (function_arg_advance): Likewise.
12494 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12495 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12496 point types in AltiVec vectors.
12497 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12498 (rs6000_libcall_value): Likewise.
12500 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12502 * config/xtensa/ieee754-df.S: New file.
12503 * config/xtensa/ieee754-sf.S: New file.
12504 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12505 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12506 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12508 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12510 * config/sh/predicates.md (binary_float_operator,
12511 binary_logical_operator, commutative_float_operator,
12512 equality_comparison_operator, greater_comparison_operator,
12513 less_comparison_operator, logical_operator,
12514 noncommutative_float_operator, shift_operator,
12515 symbol_ref_operand, unary_float_operator): Remove redundant
12518 2006-01-09 Jeff Law <law@redhat.com>
12520 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12521 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12522 now unused arguments. Callers updated.
12523 (eliminate_redundant_computations): Remove now unused arguments,
12525 (local_fold): Remove, no longer used.
12526 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12528 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12529 (simplify_cond): New function.
12530 (forward_propagate_into_cond): Call simplify_cond.
12532 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12534 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12535 (*vec_extractv2di_1_sse): New.
12537 2006-01-09 Ben Elliston <bje@au.ibm.com>
12539 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12541 2006-01-08 Richard Guenther <rguenther@suse.de>
12543 * tree-ssa-structalias.c (get_constraint_for): Remove
12544 anyoffset argument.
12545 (get_constraint_for_component_ref): Likewise.
12546 (do_deref): Likewise.
12547 (get_constraint_for): Likewise.
12548 (do_structure_copy): Likewise.
12549 (handle_ptr_arith): Likewise.
12550 (find_func_aliases): Likewise. Remove unused need_anyoffset
12553 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12554 Kaz Kojima <kkojima@gcc.gnu.org>
12556 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12557 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12558 (EXTRA_CONSTRAINT_C16): Remove.
12559 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12560 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12561 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12562 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12563 constants of SHmedia. Handle nested constant expressions of
12565 (andcosts): Fix the costs for SHmedia constants.
12566 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12567 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12568 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12569 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12570 (movv4hi_i, movv2si_i): Likewise.
12571 (movsi_const): Adjust the second operand of ior so to match with
12572 the Csu constraint.
12573 (movdi_const, movdi_const_32bit): Likewise.
12574 (movdi_const_16bit+1): Don't sign-extend LOW.
12575 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12577 (*double_shori): Fix the split condition. Use GEN_INT instead
12578 of get_int_mode calls. Mask lower 16-bit of the argument of
12580 (sym2GOTPLT): Remove.
12581 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12583 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12584 instead of EXTRA_CONSTRAINT_C16.
12586 2006-01-07 Ian Lance Taylor <ian@airs.com>
12587 David Edelsohn <edelsohn@gnu.org>
12589 PR rtl-optimization/25662
12590 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12591 for constant operands instead of simplify_gen_binary.
12592 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12593 after trying simplify_binary_operation
12595 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12597 * tree.c (iterative_hash_expr): Hash decls based on UID.
12599 2006-01-06 Eric Christopher <echristo@apple.com>
12601 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12602 (TARGET_UNWIND_EMIT): Fix spelling.
12603 * target.h (gcc_target): Add except_table_label.
12604 * except.c (output_function_exception_table): Use.
12605 * varasm.c (default_emit_except_table_label): New.
12606 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12608 (asm_out): Add here.
12609 * output.h (default_emit_except_table_label): Prototype.
12610 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12611 * config/darwin.c (darwin_emit_except_table_label): Define.
12612 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12614 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12616 PR tree-optimization/18527
12617 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12618 number_of_iterations_special, number_of_iterations_exit):
12619 Move base and step of an iv to a single structure. Add
12620 no_overflow flag, and use it in # of iterations analysis.
12621 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12622 folded_casts argument.
12623 (simple_iv): Pass base and step in a structure. Set no_overflow
12625 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12626 Evaluate expensiveness of computing # of iterations instead of
12627 the final expression.
12628 * tree-scalar-evolution.h (affine_iv): New structure.
12629 (simple_iv): Declaration changed.
12630 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12631 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12632 find_givs_in_stmt): Changed due to simple_iv change.
12634 2006-01-06 Jeff Law <law@redhat.com>
12637 * tree-cfg.c (bsi_replace): Rename final argument from
12638 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12639 change (stmt -> orig_stmt).
12640 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12641 (bsi_remove): Add new argument. Remove EH information
12643 (verify_eh_throw_table_statements): New function.
12644 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12646 * tree-optimize.c (execute_free_cfg_annotations): Verify
12647 the EH throw statement table after removing annotations.
12648 * except.h (verify_eh_throw_table_statements): Prototype.
12649 * tree-flow.h (bsi_remove): Update prototype.
12650 * tree-vrp.c (remove_range_assertions): Add new argument to
12652 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12653 * tree-complex.c (expand_complex_div_wide): Likewise.
12654 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12655 * tree-tailcall.c (eliminate_tailcall): Likewise.
12656 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12657 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12658 * tree-nrv.c (tree_nrv): Likewise.
12659 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12660 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12661 (combine_blocks): Likewise.
12662 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12663 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12664 (cleanup_control_flow): Likewise.
12665 (remove_forwarder_block): Likewise.
12666 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12667 * tree-sra.c (sra_replace): Likewise.
12668 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12669 (forward_propagate_single_use_vars): Likewise.
12670 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12671 * tree-inline.c (expand_call_inline): Likewise.
12672 * tree-vect-transform.c (vect_transform_loop): Likewise.
12673 * tree-outof-ssa.c (rewrite_trees): Likewise.
12674 * tree-cfg.c (make_goto_expr_edges): Likewise.
12675 (cleanup_dead_labels): Likewise.
12676 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12677 (bsi_move_before, bsi_move_after): Likewise.
12678 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12679 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12681 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12684 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12686 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12687 on non gimple variables. Also add checks at the top for decls and
12689 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12691 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12692 and IMAGPART_EXPR for creating MUST_DEFs.
12693 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12694 and NAME_MEMORY_TAG separately from the DECLs.
12696 2006-01-06 Richard Guenther <rguenther@suse.de>
12698 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12699 annotation, if necessary.
12700 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12701 redundant calls to update_stmt.
12702 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12705 2006-01-05 Richard Henderson <rth@redhat.com>
12707 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12709 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12711 * c-typeck.c: Update copyright date.
12713 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12715 * c-typeck.c (build_c_cast): Always warn when casting
12716 from a pointer to an integer of different size, even if
12717 the node was constant.
12719 2006-01-05 Richard Guenther <rguenther@suse.de>
12721 PR tree-optimization/22555
12722 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12723 if one structure field is an array.
12724 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12725 operands even if we found a subvar, but ignore VOPs in this
12727 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12729 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12731 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12733 PR middle-end/24998
12734 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12736 2006-01-05 Richard Guenther <rguenther@suse.de>
12737 Diego Novillo <dnovillo@redhat.com>
12739 * tree-pass.h (TODO_remove_unused_locals): Define.
12740 * gimple-low.c (expand_var_p, remove_useless_vars,
12741 pass_remove_useless_vars): Remove. Update all users.
12742 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12743 (remove_unused_locals): New function.
12744 * tree-flow.h (remove_unused_locals): Declare.
12745 * passes.c (execute_todo): Call remove_unused_locals if
12746 TODO_remove_unused_locals is set.
12747 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12748 * tree-ssa-dce.c (pass_dce): Likewise.
12749 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12751 2006-01-05 Richard Guenther <rguenther@suse.de>
12753 * tree-flow.h (struct fieldoff): Decompose field to
12754 type, size and decl.
12755 * tree-ssa-alias.c (create_sft): Take type as parameter.
12756 (create_overlap_variables_for): Store type, size and decl
12757 in the fieldoff structure.
12758 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12759 of struct fieldoff.
12760 (push_fields_onto_fieldstack): Likewise.
12761 (create_variable_info_for): Likewise. Use offset for the
12762 SFT name if the decl is not available.
12764 2006-01-04 Paul Brook <paul@codesourcery.com>
12766 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12768 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12770 * lambda-code.c (can_put_in_inner_loop): Relax
12772 (can_put_after_inner_loop): New function.
12773 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12774 (perfect_nestify): Change to make copies and modify uses.
12776 2006-01-04 Richard Henderson <rth@redhat.com>
12778 Merge from gomp branch:
12779 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12780 via integer constant.
12781 (pragma_lex): Remove.
12782 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12783 rather than parsing it.
12784 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12785 handle_pragma_extern_prefix): Add %< %> quotes.
12786 (registered_pragmas): New.
12787 (c_register_pragma_1): New.
12788 (c_register_pragma): Use it.
12789 (c_register_pragma_with_expansion): Likewise.
12790 (c_invoke_pragma_handler): New.
12791 (init_pragma): Use cpp_register_deferred_pragma directly for
12793 * c-pragma.h (enum pragma_kind): New.
12794 (pragma_handler): New.
12795 (c_invoke_pragma_handler): Declare.
12796 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12798 * c-common.h (c_common_pch_pragma): Update decl.
12799 * Makefile.in (c-parser.o): Update dependencies.
12800 (GTFILES): Add c-pragma.h.
12801 * c-parser.c (struct c_token): Add pragma_kind.
12802 (struct c_parser): Add in_pragma.
12803 (c_lex_one_token): Always initialize keyword and pragma_kind.
12804 Extract data for CPP_PRAGMA.
12805 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12806 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12807 Don't allow CPP_PRAGMA_EOL if in_pragma.
12808 (c_parser_consume_pragma): New.
12809 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12810 (c_parser_skip_to_end_of_parameter): Likewise.
12811 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12812 (c_parser_skip_to_pragma_eol): New.
12813 (c_parser_external_declaration): Handle CPP_PRAGMA.
12814 (c_parser_compound_statement_nostart): Likewise.
12815 (c_parser_statement_after_labels): Likewise.
12816 (c_parser_pragma): New.
12817 (pragma_lex): Likewise.
12818 (c_parser_pragma_pch_preprocess): New.
12819 (c_parser_new): Merge into ...
12820 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12822 2006-01-04 Jeff Law <law@redhat.com>
12825 * tree-cfg.c (bsi_replace): Remove the original statement
12826 from the EH throw statement table.
12828 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12830 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12831 make the prototype extern "C" and add throw ().
12834 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12835 and pos non-negative and pos + len <= 32.
12836 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12837 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12838 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12841 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12842 as well as sizes not multiple of component size.
12845 * function.c (instantiate_expr): New function.
12846 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12847 walk its DECL_VALUE_EXPR with instantiate_expr.
12849 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12850 DW_OP_deref{,_size} if address isn't going to be added.
12852 2006-01-04 Ben Elliston <bje@au.ibm.com>
12854 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12855 * config/fp-bit.c: Likewise.
12857 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12859 * dominance.c: Add comment about why we use DFS numbering
12862 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12863 Richard Henderson <rth@redhat.com>
12865 Merge from gomp-branch:
12866 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12867 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12869 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12871 PR rtl-optimization/25578
12872 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12873 pass a parameter to simplify_shift_const if changing ASHIFTRT
12876 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12878 * builtins.c (get_builtin_sync_mem): New function.
12879 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12880 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12881 Call get_builtin_sync_mem to generate mem rtx.
12883 2006-01-03 Richard Guenther <rguenther@suse.de>
12886 * stmt.c (add_case_node): Make sure to clear overflow flags
12889 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12891 Merge from gomp-branch.
12892 * config/sparc/sync.md: New file.
12893 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12894 UNSPECV_LDSTUB): New constants.
12895 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12896 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12897 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12900 2006-01-03 Roger Sayle <roger@eyesopen.com>
12902 * combine.c (reg_subword_p): New predicate to test whether the
12903 destination of a set refers to a subword/piece of a register.
12904 (try_combine): Generalize the code to merge the setting of a
12905 pseudo to a constant followed by a set of a subword of that
12906 register to a constant.
12908 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12910 * basic-block.h (control_flow_graph): Change the type of
12911 x_label_to_block_map to VEC(basic_block,gc) *.
12912 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12913 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12915 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12916 VEC(basic_block,heap) *.
12917 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12918 ssa_prop_fini): Adjust the uses of cfg_blocks.
12920 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12922 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12924 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12925 hashing trees instead of a pointer hash.
12926 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12927 compare for MEM_EXPR.
12929 PR rtl-optimization/25130
12930 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12931 when comparing MEMs for GCSE
12933 2006-01-03 Ben Elliston <bje@au.ibm.com>
12935 * targhooks.h (default_decimal_float_supported_p): Declare.
12936 * targhooks.c (default_decimal_float_supported_p): Define.
12937 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12938 `default_decimal_float_supported_p'.
12939 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12941 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12943 * combine.c (apply_distributive_law <SUBREG>): Check
12944 TRULY_NOOP_TRUNCATION.
12946 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12948 * dwarf2out.c (have_switched_text_section): Delete.
12949 (have_multiple_function_sections): New.
12950 (have_location_lists): Make 'bool'.
12951 (add_AT_loc_list): Use 'true' not '1'.
12952 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12953 (output_loc_list): Use have_multiple_function_sections.
12954 (output_ranges): Likewise.
12955 (dwarf2out_begin_function): Set have_multiple_function_sections if
12957 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12958 Check function_section rather than DECL_SECTION_NAME.
12959 (dwarf2out_finish): Use have_multiple_function_sections.
12960 Don't clear have_location_lists.
12962 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12963 Jan Hubicka <jh@suse.cz>
12965 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12966 case of conditional jump jumping to the next instruction.
12967 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12968 cases of conditional jump jumping to the next instruction.
12970 2006-01-02 Jan Hubicka <jh@suse.cz>
12972 * i386.c (*_cost): Add COSTS_N_INSNS.
12973 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12975 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12978 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12980 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12982 * config/arm/arm.c (all_fpus): Fix comment typo.
12983 * config/darwin.c: Likewise.
12984 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12985 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12986 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12988 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12990 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12991 (rs6000_split_compare_and_swapqhi): New.
12992 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12993 (sync_compare_and_swapqhi_internal): New.
12994 * config/rs6000/rs6000-protos.h: Declare.