1 2006-07-06 Roger Sayle <roger@eyesopen.com>
4 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5 the configured assembler supports the x87's ffreep mnemonic.
6 * configure: Regenerate.
7 * config.in: Regenerate.
9 * config/i386/i386.c (output_387_ffreep): New function.
10 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
11 (output_387_reg_move): Likewise.
13 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
15 Port to hosts whose 'sort' and 'tail' implementations
16 treat operands with leading '+' as file names, as POSIX
17 has required since 2001. However, make sure the code still
18 works on pre-POSIX hosts.
19 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
20 which says you should use "tail -c +N" rather than "tail +Nc".
21 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
23 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
25 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
28 2006-07-06 David Edelsohn <edelsohn@gnu.org>
31 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
32 PRE_{INC,DEC} of TFmode.
34 2006-07-06 David Edelsohn <edelsohn@gnu.org>
35 Alan Modra <amodra@bigpond.net.au>
38 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
41 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
44 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
47 2006-07-05 Jason Merrill <jason@redhat.com>
51 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
52 * c-common.c (handle_packed_attribute): So don't copy it here.
53 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
55 2006-07-05 Mike Stump <mrs@apple.com>
57 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
59 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
62 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
64 2006-07-05 Richard Guenther <rguenther@suse.de>
67 * config/i386/i386.md (*negdf2_1): Restrict pattern to
68 TARGET_SSE2 targets if using SSE math.
69 (*absdf2_1): Likewise.
71 2006-07-05 Richard Guenther <rguenther@suse.de>
73 PR tree-optimization/28162
74 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
75 make sure to convert the operands to the correct type.
77 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
79 PR tree-optimization/28218
81 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
82 to calculate and free the dominator information.
84 2006-07-04 Peter O'Gorman <peter@pogma.com>
86 * mklibgcc.in: chmod 644 before ranlib during install.
88 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
89 J"orn Rennecke <joern.rennecke@st.com>
91 * configure.ac (.eh_frame data check): Use diff -b.
93 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
96 * Makefile.in (BUILD_RTL): Add build/vec.o.
97 (build/gencondmd.o): Filter out -fkeep-inline-functions.
98 (build/genextract): Delete.
99 (build/genautomata): Likewise.
101 2006-07-04 Alan Modra <amodra@bigpond.net.au>
104 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
105 128-bit IBM long doubles for ABI_V4.
107 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
109 * tree.c (range_in_array_bounds_p): New predicate.
110 * tree.h (range_in_array_bounds_p): Declare it.
111 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
112 return a less conservative answer.
113 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
115 (IS_ELEMENT_FOR_GROUP): New macro.
116 (FOR_EACH_ACTUAL_CHILD): Likewise.
117 (next_child_for_group): New helper function.
118 (can_completely_scalarize_p): Take into account groups.
119 (sra_hash_tree): Handle RANGE_EXPR.
120 (sra_elt_eq): Likewise.
121 (lookup_element): Be prepared for handling groups.
122 (is_valid_const_index): Delete.
123 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
124 instead of is_valid_const_index.
125 <ARRAY_RANGE_REF>: New case.
126 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
127 is_valid_const_index.
128 <ARRAY_RANGE_REF>: Do not unconditionally punt.
129 (scan_dump): Dump info for groups too.
130 (decide_instantiation_1): Likewise.
131 (decide_block_copy): Assert that the element is not a group.
132 Propagate decision to groups.
133 (generate_one_element_ref): Handle RANGE_EXPR.
134 (mark_no_warning): Iterate over actual childs.
135 (generate_copy_inout): Likewise.
136 (generate_element_copy): Likewise.
137 (generate_element_zero): Likewise.
138 (generate_element_init_1): Likewise.
139 (dump_sra_elt_name): Handle RANGE_EXPR.
141 2006-07-03 Roger Sayle <roger@eyesopen.com>
143 PR tree-optimization/26251
144 * tree-ssa-threadupdate.c (redirection_block_p): New function.
145 (thread_block): When optimizing for size refuse to thread jumps
146 that would require duplication of blocks other than redirection
149 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
151 * configure.ac: Fix thinko in previous check-in.
152 * configure: Regenerate.
154 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
157 * configure.ac (for lang...): Simplify nesting of conditionals.
158 Test subdir_requires for non-enabled languages. Move processing
159 of lang_opt_files and lang_tree_fiels below that test.
160 * configure: Regenerate.
161 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
163 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
165 * doc/gcov.texi (Invoking Gcov): Add a missing word.
167 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
169 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
172 2006-06-29 Jason Merrill <jason@redhat.com>
179 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
180 * c-common.c (c_determine_visibility): Handle it here.
181 * c-decl.c (finish_decl): Call c_determine_visibility for
183 * flags.h (enum symbol_visibility): Sort from most to least visibility.
185 * varasm.c (default_assemble_visibility): Likewise.
186 * c-common.c (handle_visibility_attribute): Complain about trying
187 to give visibility to an already defined class, or trying to change
188 declared visibility. Always attach the attribute.
193 * attribs.c (decl_attributes): Ignore type-in-place attributes
194 once the type has been defined.
196 2006-06-29 Roger Sayle <roger@eyesopen.com>
199 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
200 to indicate the cpplib has issued an error message for us.
202 2006-06-29 Asher Langton <langton2@llnl.gov>
205 * config/i386/i386.c (ix86_output_function_epilogue): Don't
206 insert a label at the end of an function under Mach-O.
208 2006-06-29 Eric Christopher <echristo@apple.com>
209 Evan Cheng <evan.cheng@apple.com>
211 * predicates.md (vector_all_ones_operand): New.
212 (nonimmediate_or_sse_const_operand): Ditto.
213 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
214 * config/i386/i386.c (standard_sse_constant_opcode): Define.
215 (standard_sse_mode_p): Ditto.
216 (standard_sse_constant_p): Add case for -1 vector.
217 (ix86_expand_vector_move): Try to use.
218 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
219 Call standard_sse_constant_opcode.
220 (*movv4sf_internal): Ditto.
221 (*movv2df_internal): Ditto.
223 2006-06-29 Roger Sayle <roger@eyesopen.com>
225 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
226 of XEXP to extract the operands of a MATCH_CODE rtx.
228 2006-06-28 Andrew Pinski <pinskia@gmail.com>
230 * tree.c (tree_size): Do not waste tail padding in
231 struct tree_string and make the size be the same as
232 build_string will generate.
234 2006-06-28 Jason Merrill <jason@redhat.com>
237 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
238 may_aliases already in the tag's annotations to the bitmap.
240 2006-06-28 Roger Sayle <roger@eyesopen.com>
242 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
244 2006-06-28 Roger Sayle <roger@eyesopen.com>
246 * genpreds.c (generate_switch_p): New function.
247 (add_mode_tests): Push the new mode test down inside an AND expr
248 if this allows the switch-suitable MATCH_CODE to be near the root.
249 (write_match_code_switch): New function to write a MATCH_CODE as
251 (write_predicate_stmts): New function to write a predicate RTX
252 expression as a sequence of statements.
253 (write_one_predicate_function): Use write_predicate_stmts.
254 (write_tm_constrs_h): Likewise.
256 2006-06-26 Fred Fish <fnf@specifix.com>
258 * config/mips/t-sb1: New file.
259 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
262 2006-06-26 DJ Delorie <dj@redhat.com>
264 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
266 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
267 Jayant Sonar <jayants@kpitcummins.com>
268 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
270 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
271 (subsi3, subsi3_1, subsi3_2): New.
272 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
273 * config/m32c/mov.md (SI mov peephole): New.
274 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
275 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
277 2006-06-26 Olivier Hainque <hainque@adacore.com>
279 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
280 a CALL_EXPR target function declaration.
282 2006-06-26 Richard Guenther <rguenther@suse.de>
284 * tree.c (build_string): Do not waste tail padding in
287 2006-06-26 Richard Guenther <rguenther@suse.de>
289 * ggc-page.c (init_ggc): Add missing element to size_lookup
293 2006-06-23 Richard Guenther <rguenther@suse.de>
295 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
296 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
297 alignment requests instead. Add verification code.
298 Add struct tree_function_decl and struct tree_binfo size to
299 extra_order_size_table. Add missing element to size_lookup
302 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
305 * fold-const.c (const_binop): Be prepared for self returning zero.
306 Simplify code handling complex values.
308 2006-06-24 Olivier Hainque <hainque@adacore.com>
310 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
311 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
314 2006-06-24 Olivier Hainque <hainque@adacore.com>
316 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
317 ARRAY_REF, so have the callback called for the low bound expression.
319 2006-06-23 Janis Johnson <janis187@us.ibm.com>
321 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
322 * c-typeck.c (c_common_type): Disallow operations on decimal float
323 types and other float types.
324 * convert.c (convert_to_real): Don't ignore conversions involving
327 2006-06-23 Olivier Hainque <hainque@adacore.com>
329 * tree.c (max_int_size_in_bytes): New function, inspired from
330 code in function.c:assign_temp.
331 * tree.h (max_int_size_in_bytes): Declare.
332 * function.c (assign_temp): Use it.
333 * gimplify.c (create_tmp_var): Relax the assertions on the type
334 properties, not mandating constant size any more.
335 (force_constant_size): New static function.
336 (gimple_add_tmp_var): Use it, forcing variable size to a
337 constant upper bound if it is not constant on entry.
339 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
342 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
343 for initialization and setting of one_only flag to ...
344 (i386_pe_encode_section_info): ...here.
345 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
346 Recheck that the symbol has not been defined.
348 2006-06-23 Richard Guenther <rguenther@suse.de>
350 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
351 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
352 alignment requests instead. Add verification code.
353 Add struct tree_function_decl and struct tree_binfo size to
354 extra_order_size_table. Add missing element to size_lookup
357 2006-06-22 Roger Sayle <roger@eyesopen.com>
358 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
361 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
362 call to lang_hooks.types.type_for_mode returned NULL_TREE.
364 2006-06-23 Ben Elliston <bje@au.ibm.com>
366 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
367 negate dn -- manipulate it directly.
369 2006-06-22 Roger Sayle <roger@eyesopen.com>
370 Steven Bosscher <stevenb.gcc@gmail.com>
373 * reload1.c (gen_reload): Call mark_jump_label on the new insns
374 generated by gen_move_insn to add REG_LABEL notes if necessary.
376 2006-06-22 Bob Wilson <bob.wilson@acm.org>
378 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
379 (leaf_entry): Remove use of MIN_ESA.
381 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
383 PR rtl-optimization/28121
384 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
387 2006-06-21 DJ Delorie <dj@redhat.com>
389 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
391 (mulhisi3_r): Likewise.
393 2006-06-21 Richard Sandiford <richard@codesourcery.com>
396 * coverage.c (coverage_counter_alloc): Leave the index type
398 (coverage_counter_alloc): Use null arguments for operands 2 and 3
401 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
403 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
404 section from the "Options for Code Generation Conventions".
406 2006-06-21 Richard Henderson <rth@redhat.com>
410 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
412 (global_symbolic_operand): Allow weak symbols, even if local_p.
414 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
416 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
417 (find_interesting_uses_address): Punt if above function returns true.
419 2006-06-21 Richard Guenther <rguenther@suse.de>
421 * configure: Regenerated.
423 2006-06-21 Joseph Myers <joseph@codesourcery.com>
425 * config/mips/mips.c (function_arg): Where one part of a
426 complex argument is in registers and the other part in the stack,
427 return a REG not a PARALLEL.
429 2006-06-21 Mark Mitchell <mark@codesourcery.com>
431 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
432 when cross-compiling. Do not substitute libstdcxx_incdir.
433 * configure: Regenerated.
435 2006-06-21 Jakub Jelinek <jakub@redhat.com>
437 * varasm.c (mergeable_string_section): Check for embedded NULs and
438 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
439 rather than TREE_STRING_LENGTH bytes.
441 2006-06-21 Richard Guenther <rguenther@suse.de>
443 * ggc-page.c (extra_order_size_table): Add var_ann_d,
444 tree_ssa_name, bitmap_element and phi_node with 4 arguments
447 2006-06-21 Richrad Guenther <rguenther@suse.de>
449 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
450 Limit iteration over the dominators.
452 2006-06-20 Roger Sayle <roger@eyesopen.com>
454 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
455 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
457 2006-06-20 Richard Guenther <rguenther@suse.de>
458 Michael Matz <matz@suse.de>
460 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
462 * alloc-pool.c (free_alloc_pool_if_empty): New function.
463 * et-forest.h (et_free_pools): Prototype new function.
464 * et-forest.c (et_free_tree_force): Free parent occurrence.
465 (et_free_pools): New function.
466 * dominance.c (free_dominance_info): Free et-forest alloc
469 2006-06-20 Roger Sayle <roger@eyesopen.com>
471 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
472 integer modes, attempt to directly construct an integer constant.
474 * fold-const.c (native_encode_vector): Determine the size of each
475 element from the vector type instead of the first vector element.
477 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
478 if all of its elements/components are constant.
479 (build_constructor_from_list): Likewise.
481 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
483 PR tree-optimization/27331
484 * tree-data-ref.c (free_data_ref): New function.
485 (create_data_ref): Fail if the data reference has unknown access
487 (free_data_refs): Use free_data_ref.
489 2006-06-19 Andrew Pinski <pinskia@gmail.com>
492 * tree-inline.c (setup_one_parameter): Strip useless
493 type conversion before adding it to the IR.
494 (declare_return_variable): Likewise.
496 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
499 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
501 2006-06-19 Mike Stump <mrs@apple.com>
503 * tree.c (variably_modified_type_p): VM arguments don't make the
506 2006-06-19 Richard Guenther <rguenther@suse.de>
508 * tree-ssa-pre.c (try_combine_conversion): Strip useless
509 type conversions after folding.
511 2006-06-19 Richard Guenther <rguenther@suse.de>
513 * ggc-page.c (extra_order_size_tab): Add entries with
514 size of struct function and basic_block.
515 (size_lookup): Extend to cover sizes up to 511.
516 (ggc_alloc_stat): Adjust user.
517 (ggc_pch_count_object): Likewise.
518 (ggc_pch_alloc_object): Likewise.
519 (ggc_pch_write_object): Likewise.
521 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
523 * tree-ssa-loop-niter.c (implies_ge_p): New function.
524 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
527 2006-06-19 Denis Chertykov <denisc@overta.ru>
529 * config/avr/libgcc.S : Correct my wrong previous commit.
531 2006-06-19 Roger Sayle <roger@eyesopen.com>
534 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
535 have stripped a SUBREG from the shift count, so we may need to
536 convert_to_mode back to the type's mode before calling make_tree.
537 Use new_amount instead of amount to avoid expanding a tree twice.
539 2006-06-19 Richard Guenther <rguenther@suse.de>
542 * fold-const.c (operand_equal_p): Check if the argument types
543 have the same precision before stripping NOPs.
545 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
547 Fix PR tree-optimization/27341
548 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
550 * tree-complex.c (pass_lower_complex): Update SMT usage.
552 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
554 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
555 Add a new alternative to the constraint strings. Add move of
556 operand 1 to 3 to the splitter definition.
557 ("doloop_si_long"): Second contraint alternative removed.
559 2006-06-08 Anatoly Sokolov <aesok@post.ru>
561 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
562 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
564 (AVR_HAVE_MOVW) Define.
565 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
566 (ASM_SPEC): Add avr25.
567 (LINK_SPEC): Add avr25.
568 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
569 (base_arch_s): Add new member 'have_movw_lpmx'.
570 (avr_arch_types): Init 'have_movw_lpmx'.
571 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
572 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
573 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
574 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
575 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
577 (avr_file_start): Do not output '.arh' derective.
578 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
579 (__do_copy_data): Use __AVR_HAVE_LPMX__.
580 * config/avr/avr.md (mcu_enhanced): Delete.
581 (mcu_have_movw): Define.
582 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
583 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
584 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
585 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
586 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
587 attiny861 and at86rf401 devices.
589 2006-06-18 Jie Zhang <jie.zhang@analog.com>
591 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
594 2006-06-17 Karl Berry <karl@gnu.org>
596 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
597 doc/gccint.texi, doc/install.texi (@dircategory): Use
598 "Software development" instead of "Programming", following
599 the Free Software Directory.
601 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
603 * config/i386/i386.c (legitimate_tls_address)
604 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
605 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
606 (*tls_dynamic_gnu2_combine_64): Likewise.
608 2006-06-16 Richard Guenther <rguenther@suse.de>
611 * fold-const.c (negate_expr_p): Do not introduce undefined
612 overflow in negating INTEGER_CSTs.
613 (fold_negate_expr): Rename from negate_expr. Revert last
614 change for folding BIT_NOT_EXPR. Change semantics to
615 return NULL_TREE for non-simplified negations. Do not
616 strip type conversions and unify type handling.
617 (negate_expr): New function, wrap around fold_negate_expr
618 but ensure building a tree always. Strip type conversions
619 here, fold to result type.
620 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
622 2006-06-16 Roger Sayle <roger@eyesopen.com>
625 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
626 that (would) return their results in stack registers.
628 2006-06-16 Michael Matz <matz@suse.de>
629 Richard Guenther <rguenther@suse.de>
631 * fold-const.c (fold_truthop): Only return new tree node if
632 we canonicalized something.
634 2006-06-16 Richard Guenther <rguenther@suse.de>
636 * function.h (enum function_frequency): Move declaration
637 out of struct function.
638 (struct function): Move bool fields and the enum to the bitfield
639 section. Reorder elements to avoid padding. Remove unused
640 fields left over from the RTL inliner removal.
641 * function.c (free_after_compilation): Do not zero removed fields.
642 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
643 (ipa-type-escape.o): Likewise.
645 2006-06-16 Richard Guenther <rguenther@suse.de>
647 * cgraph.h (struct cgraph_local_info): Turn bool elements
649 (struct cgraph_node): Likewise.
650 (struct cgraph_varpool_node): Likewise.
652 2006-06-15 Richard Guenther <rguenther@suse.de>
654 * fold-const.c (fold_truth_not_expr): Rename from
655 invert_truthvalue. Give it fold_* semantics to avoid
657 (invert_truthvalue): New function. Wrapper around
659 (optimize_minmax_comparison): Avoid creating garbage.
660 (fold_unary): Use fold_truth_not_expr for folding
662 (fold_ternary): Replace uses of invert_truthvalue with
663 fold_truth_not_expr where applicable.
664 * tree.h (fold_truth_not_expr): Prototype.
666 2006-06-16 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/27781
669 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
670 * ipa-pure-const.c (target.h): Include.
671 (analyze_function): Do not analyze functions that do not
674 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
677 * tree-dfa.c (referenced_vars_dup_list): Remove.
678 (find_referenced_vars): Remove assert.
679 (referenced_var_check_and_insert): Replace dup list with assert.
680 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
681 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
683 2006-06-15 Richard Guenther <rguenther@suse.de>
685 * tree-ssa-structalias.c (alias_get_name): Avoid creating
686 extra unused identifiers if not dumping.
687 (create_variable_info_for): Likewise.
689 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
691 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
692 (derive_constant_upper_bound): Derive more precise upper bound in
693 common cases. Return type changed to double_int.
694 (record_estimate): Reflect the changed return type of
695 derive_constant_upper_bound.
696 * double-int.c (double_int_zext, double_int_sext): Fix.
698 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
700 * configure.ac (CFLAGS): Get them from the toplevel or from the
701 configure invocation.
702 * configure: Regenerate.
703 * Makefile.in (CFLAGS): Substitute value provided by configure.
705 2006-06-14 Mark Mitchell <mark@codesourcery.com>
708 * c-common.h (c_finish_omp_atomic): Adjust declaration.
709 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
710 rather than calling add_stmt on it.
711 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
713 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
716 * reload1.c (reload): Remove registers returned by update_eliminables
717 from used_spill_regs.
719 2006-06-13 DJ Delorie <dj@redhat.com>
721 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
723 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
725 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
726 html__strip_dir, html__mkdir_p. Enhance install-html target.
727 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
728 * configure: Regenerate.
730 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
732 * fold-const.c (fold_cond_expr_with_comparison): Check for
733 Objective-C++ as language in deciding COND_EXPR transformation.
735 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
738 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
739 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
740 * config/sh/lib1funcs.h (SL, SL1): Define.
741 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
742 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
743 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
744 (OBJS_Os_4_200): New variable.
745 ($(T)libgcc-Os-4-200.a): Use it.
746 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
747 when dividing 1 and/or by 0.
749 2006-06-13 Roger Sayle <roger@eyesopen.com>
751 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
752 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
753 * configure: Regenerate.
755 2006-06-13 Jie Zhang <jie.zhang@analog.com>
757 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
758 for real instruction.
760 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
763 * haifa-sched.c (check_cfg): Handle special case.
765 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
768 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
769 Add debug_info parameter. Chain the vars to the BLOCK instead
770 of the BIND_EXPR if debug info are requested for them.
771 (pop_gimplify_context): Adjust for above change.
772 (gimple_add_tmp_var): Likewise.
773 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
775 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
776 (convert_local_reference): Likewise.
777 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
778 (finalize_nesting_tree_1): Request that debug info be emitted
781 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
783 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
786 2006-06-13 Richard Guenther <rguenther@suse.de>
789 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
791 2006-06-13 Richard Guenther <rguenther@suse.de>
793 PR tree-optimization/27830
794 * tree-inline.c (copy_body_r): For copying the operand
795 of an ADDR_EXPR make sure to fold &* afterwards.
797 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
799 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
800 lvalues in the fb_none case with side-effects.
802 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
804 * tree-flow.h: Remove the prototype for
805 compute_phi_arg_on_exit.
806 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
807 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
810 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
812 * builtins.c (expand_builtin_return_addr): Only use
813 frame_pointer_rtx when count == 0 and we are expanding
814 __builtin_return_address.
816 2006-06-12 Fred Fish <fnf@specifix.com>
818 * config/mips/mips.c (mips_file_start): Create special section
819 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
821 2006-06-11 Eric Christopher <echristo@apple.com>
824 * stor-layout.c (place_field): Remove check for
825 remaining_in_alignment when aligning at the end of a run.
827 2006-06-11 Eric Christopher <echristo@apple.com>
830 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
833 2006-06-11 Roger Sayle <roger@eyesopen.com>
836 Revert incorrect fix for PR target/27158
837 2006-05-08 Roger Sayle <roger@eyesopen.com>
838 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
839 of a reg_equiv_constant if the result is a legitimate constant.
841 2006-06-11 Roger Sayle <roger@eyesopen.com>
844 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
845 extract a CONST_VECTOR element and interpret it as an integer.
846 (vspltis_constant): Use const_vector_elt_as_int instead of the
847 macro CONST_VECTOR_ELT in order to handle FP vector modes.
848 * config/rs6000/predicates.md (easy_vector_const): Consider
849 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
851 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
854 * stor-layout.c (update_alignment_for_field): Don't add extra
855 alignment for packed non-bitfield fields in ms_bitfield_layout_p
858 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
860 * config/mips/t-rtems: Add EL/EB multilib variants.
862 2006-06-09 Mike Stump <mrs@apple.com>
864 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
866 2006-06-09 David Daney <ddaney@avtrex.com>
868 * doc/install.texi: Add binutils version recommendation for mips-*-*.
870 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
872 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
874 2006-06-09 Richard Guenther <rguenther@suse.de>
876 PR tree-optimization/26998
877 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
878 of signed types, only TYPE_MIN_VALUE is special, but for both,
879 minimum and maximum value. Likewise VR_ANTI_RANGE is special
880 in this case, as is -fwrapv.
882 2006-06-08 Mike Stump <mrs@apple.com>
885 * config/darwin.c (darwin_asm_output_anchor): Disable
886 -fsection-anchors on darwin for now.
887 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
888 * rs6000/rs6000.c (optimization_options): Likewise.
890 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
893 * config/i386/i386.c (classify_argument): Skip fields with invalid
896 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
898 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
899 (cse_insn): Likewise for the stack_pointer_rtx.
901 2006-06-08 Roger Sayle <roger@eyesopen.com>
903 * tree-ssa-dom.c (record_conditions): Only record "unordered"
904 conditions from floating point comparisons.
906 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
909 * expmed.c (struct alg_hash_entry): Fix type of field T
910 to match synth_mult argument.
911 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
913 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
916 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
919 2006-06-08 Richard Guenther <rguenther@suse.de>
922 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
923 only, if overflow is defined and not trapping.
924 (negate_expr): Likewise.
926 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
928 PR tree-optimization/27872
929 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
930 flag on the new exit edge of the unrolled loop.
932 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
934 PR rtl-optimization/26449
935 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
937 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
940 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
941 referenced_variables with matching DECL_UID's.
942 (find_referenced_vars): Make sure duplicate list is empty to start.
943 (referenced_var_p): Remove.
944 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
945 Check if var is in the list, and add if needed. Update the duplicate
946 list if a different var is in the list with the same DECL_UID.
947 (add_referenced_var): Call routine to check and insert.
948 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
949 * tree-flow.h (referenced_vars_dup_list): External declaration.
951 2006-06-07 Fred Fish <fnf@specifix.com>
953 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
956 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
959 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
960 the imaginary and real parts of a clobbered register.
961 Emit insn to set the imaginary part.
963 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
965 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
966 in lieu of unwind-dw2-fde.c.
968 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
970 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
972 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
975 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
976 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
977 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
978 V4SImode temporaries and operations instead.
980 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
982 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
985 2006-06-06 Mike Stump <mrs@apple.com>
987 * Makefile.in: Rename to htmldir to build_htmldir to avoid
988 installing during build.
990 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
992 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
994 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
995 * config/ia64/ia64.c (params.h): New header.
996 (ia64_optimization_options): New function to adjust parameters.
997 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
998 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
999 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1001 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1003 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1005 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1008 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1010 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1011 Victor Kaplansky <victork@il.ibm.com>
1013 PR tree-optimization/26360
1014 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1017 2006-06-04 Roger Sayle <roger@eyesopen.com>
1018 Andrew Pinski <pinskia@physics.uc.edu>
1021 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1022 for LABEL_DECL before calling DECL_WEAK.
1025 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1026 LABEL_DECL and PARM_DECL.
1028 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1032 * c-decl.c (grokdeclarator): Disallow variably modified types at
1033 file scope. Avoid marking shared array type of constant size as
1036 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1039 * c-common.c (fold_offsetof_1): Handle static members.
1041 2006-06-04 Eric Christopher <echristo@apple.com>
1043 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1044 (debug_rli): Output value for remaining_in_alignment.
1045 (update_alignment_for_field): Unconditionalize
1046 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1047 extra alignment code.
1048 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1049 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1050 * tree.h (record_layout_info_s): Remove prev_packed.
1051 * doc/extend.texi (ms_struct): Add documentation of format.
1053 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1055 * tree.h: Declare folding_initializer.
1056 * builtins.c (fold_builtin_constant_p): Give definite answer
1057 if folding inside an initializer.
1058 * fold-const.c: Define folding_initializer.
1059 (START_FOLD_INIT): Save and then set folding_initializer.
1060 (END_FOLD_INIT): Restore folding_initializer.
1062 2006-06-04 Richard Guenther <rguenther@suse.de>
1064 PR tree-optimization/27039
1065 * fold-const.c (fold_comparison): Handle pointer comparison
1066 again for all comparison codes. Compare offsets in signed
1068 (fold_binary): Move code from here.
1070 2006-06-03 Roger Sayle <roger@eyesopen.com>
1073 * config/i386/i386.c (construct_container): Split static issued_error
1074 flag into issued_sse_arg_error, issued_sse_ret_error and
1075 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1076 requires the use of x87 registers and the user explicitly
1077 specified the -mno-80387 command line option.
1079 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1081 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1082 HAVE_DECL_SIGALTSTACK.
1084 (segv_handler): Use MC_FLD.
1085 * configure.ac: Check for a sigaltstack declaration.
1086 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1087 * configure: Regenerate.
1088 * config.in: Regenerate.
1090 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1093 * Makefile.in (stmp-fixinc): Fix typo.
1095 2006-06-02 Roger Sayle <roger@eyesopen.com>
1097 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1098 are type correct. Clean-up.
1099 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1100 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1102 2006-06-01 DJ Delorie <dj@redhat.com>
1104 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1105 shift, as we've disabled the "switch" insn that needs it.
1107 2006-06-01 Per Bothner <bothner@bothner.com>
1109 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1110 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1111 * c-ppoutput.c (cb_define): Don't increment line 0.
1113 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1115 * doc/invoke.texi: Add cpu_type power6.
1116 * config.gcc: Add cpu_type power6.
1117 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1118 to power5+ with Altivec.
1119 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1120 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1122 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1124 * config/avr/avr.h (SET_ASM_OP): Define.
1126 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1128 * config/bfin/bfin.c: Fix comment typos.
1130 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1133 * doc/install.texi: Document --enable-bootstrap and
1134 --disable-bootstrap.
1136 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1138 * doc/install.texi: Document that InfoZIP can replace jar.
1140 2006-05-31 Roger Sayle <roger@eyesopen.com>
1142 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1143 isn't available, directly generate the simpler x87 patterns without
1144 the (use (const_int 0)).
1145 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1146 implementation isn't available.
1147 (*negdf2_1): Likewise.
1148 (*negxf2_1): XF mode negation is always done using the x87.
1149 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1151 2006-05-31 Roger Sayle <roger@eyesopen.com>
1153 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1154 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1156 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1158 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1160 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1161 * config/bfin/bfin.c (basic-block.h): Include.
1162 (struct machine_function): New.
1163 (bfin_init_machine_status): New.
1164 (override_options): Initialize init_machine_status.
1165 (bfin_hardware_loop): New.
1166 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1167 (DEF_VEC_P (loop_info)): New.
1168 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1169 (struct loop_info): New.
1170 (loop_info): New typedef.
1171 (struct loop_work): New.
1172 (loop_work): New typedef.
1173 (DEF_VEC_O (loop_work)): New.
1174 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1175 (bfin_dump_loops): New.
1176 (bfin_bb_in_loop): New.
1177 (bfin_scan_loop): New.
1178 (bfin_optimize_loop): New.
1179 (bfin_reorg_loops): New.
1180 (bfin_reorg): Use bfin_reorg_loops.
1181 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1183 (I_REGNO_P): Simplify.
1184 (DP_REGNO_P, DPREG_P): New macros.
1185 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1186 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1187 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1188 Add LT_REGS, LC_REGS, LB_REGS.
1189 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1191 (REGNO_REG_CLASS): Deal with loop registers.
1192 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1194 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1195 New constants for loop registers.
1196 (UNSPEC_LSETUP_END): New.
1197 (seq_insns): New define_attr. Set it for appropriate insns.
1198 (movsi_insn): Add alternatives for move from/to
1199 loop count registers.
1200 (doloop_end): New define_expand.
1201 (loop_end): New define_insn.
1202 (define_split for bad doloop_end): New.
1203 (lsetup_with_autoinit): New define_insn.
1204 (lsetup_without_autoinit): New define_insn.
1205 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1206 * config/bfin/predicates.md (lc_register_operand): New.
1207 (lt_register_operand): New.
1208 (lb_register_operand): New.
1209 (nondp_register_operand): New.
1210 (nondp_reg_or_memory_operand): New.
1211 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1213 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1215 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1216 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1218 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1220 * Makefile.in (CATALOGS): Add po/ prefix.
1221 * configure: Regenerated.
1223 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1226 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1227 a shift operand before calling shift_op. Avoid redundant call of
1230 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1231 DJ Delorie <dj@redhat.com>
1233 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1234 we're inserting is a singlt-bit constant.
1236 2006-05-30 Roger Sayle <roger@eyesopen.com>
1238 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1239 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1241 2006-05-30 Roger Sayle <roger@eyesopen.com>
1243 PR tree-optimization/23452
1244 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1245 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1246 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1247 complex values and with -ffast-math for FP complex values.
1249 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1251 * c-common.h: Remove the prototype for yyparse.
1252 * rtl.h: Remove the prototype for init_loop.
1254 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1256 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1259 2006-05-30 Roger Sayle <roger@eyesopen.com>
1261 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1263 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1264 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1266 2006-05-30 Dirk Mueller <dmueller@suse.de>
1269 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1270 for CONSTANT_CLASS_P expresisons.
1272 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1275 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1277 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1279 PR tree-optimization/27779
1280 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1281 initial_condition instead of CHREC_LEFT.
1283 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1285 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1286 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1287 Make prototypes ISO C90.
1289 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1290 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1292 * see.c (see_analyze_one_def): Correct check.
1293 (see_get_extension_data): Check if extension is parallel.
1294 (see_get_extension_reg): Likewise.
1296 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1299 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1300 into register for (code == GTU).
1302 2006-05-29 Roger Sayle <roger@eyesopen.com>
1304 PR tree-optimization/24964
1305 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1306 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1307 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1308 abs(x)*abs(x) as x*x for scalar floating point modes.
1310 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1313 * lambda-code.c (perfect_nestify): Don't copy statements
1314 in the inner loop: move them to the inner loop header.
1316 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1319 * c-tree.texi: Document OpenMP directives and clauses.
1321 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1323 * varasm.c (globalize_decl): Fix indentation.
1325 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1328 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1329 pass_fre, pass_store_ccp, pass_copy_prop,
1330 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1331 pass_return_slot, pass_object_size, pass_lim,
1332 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1333 pass_loop_prefetch and pass_stdarg.
1335 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1337 * config/bfin/bfin.opt (mfdpic): New option.
1338 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1339 (EXTRA_MULTILIB_PARTS): Likewise.
1340 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1341 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1343 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1344 (CRT_CALL_STATIC_FUNCTION): New.
1345 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1347 (CRT_CALL_STATIC_FUNCTION): New.
1348 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1350 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1351 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1352 (initialize_trampoline): Changed to handle FD-PIC code generation.
1353 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1354 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1355 (override_options): Disallow -mid-shared-library -mfdpic combination.
1356 Can't do unaligned ops if FD-PIC.
1357 Turn off flag_pic if trying to generate non-id-shared-library
1358 non-fdpic code, since it's not supported.
1359 (bfin_assemble_integer): New function.
1360 (TARGET_ASM_INTEGER): Define.
1361 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1363 * config/bfin/crtn.s: Restore them.
1364 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1366 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1367 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1368 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1369 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1370 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1372 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1373 FDPIC_REGS and FDPIC_FPTR_REGS.
1374 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1375 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1376 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1377 (load_funcdescsi): New pattern.
1378 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1379 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1380 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1382 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1384 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1387 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1389 * tree-flow.h: Remove the prototype for add_type_alias.
1390 * tree-ssa-alias.c (add_type_alias): Remove.
1392 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1394 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1395 config/fr30/fr30.md, config/i386/i386-interix.h,
1396 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1397 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1398 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1399 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1400 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1401 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1402 Follow spelling conventions.
1403 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1404 Follow spelling conventions.
1406 2006-05-27 Richard Guenther <rguenther@suse.de>
1409 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1410 to produce a constant of value 1 of generic type.
1412 2006-05-27 Dirk Mueller <dmueller@suse.de>
1414 * cgraphunit.c (decide_is_function_needed): Fix wrong
1417 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1419 PR rtl-optimization/27661
1420 * reload.c (find_reloads): When reloading a VOIDmode constant
1421 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1422 use Pmode as mode of the reload register.
1424 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1426 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1427 is enabled at -O and above.
1429 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1432 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1435 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1438 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1439 for anonymous variables explicitly declared by front ends.
1441 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1443 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1444 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1445 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1446 ref-all pointers, run a finalization pass for them.
1447 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1448 (finalize_ref_all_pointers): New function.
1449 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1450 regular pointer type to a ref-all pointer type.
1451 (get_tmt_for): Return the special memory tag for ref-all pointers.
1453 2006-05-25 Richard Guenther <rguenther@suse.de>
1456 * fold-const.c (fold_binary): Do not look at the stripped
1457 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1459 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1461 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1462 for LT and GT if the computed range is effectively empty.
1464 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1467 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1468 mips_quad_format formats instead of ieee_single_format,
1469 ieee_double_format and ieee_quad_format formats, respectively.
1471 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1473 PR tree-optimization/27639
1474 PR tree-optimization/26719
1475 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1476 call to scev_probably_wraps_p.
1477 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1478 used_in_pointer_arithmetic_p, convert_step): Removed.
1479 (nowrap_type_p): New function.
1480 (scev_probably_wraps_p): Rewritten.
1481 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1482 chrec_convert if chrec_convert_aggressive might have been used.
1483 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1484 scev_direction): New functions.
1485 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1486 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1487 instead of convert_step.
1488 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1489 (convert_step): Declaration removed.
1490 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1492 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1494 * df-core.c: Added to header comments.
1495 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1496 df_ur_bb_info, df_urec_bb_info): Added comments.
1497 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1498 urec, ri problems): Fixed header comments.
1499 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1500 code from df_rd_transfer_function.
1502 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1504 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1505 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1506 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1508 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1510 * expr.c (undefined_operand_subword_p): New.
1511 (emit_move_multi_word): Do not generate move from undefined bits
1512 of a paradoxical subreg.
1514 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1516 PR rtl-optimization/27736
1517 * combine.c (replaced_rhs_value): New variable.
1518 (combine_instructions): Set it.
1519 (distribute_notes): When distributing a note in replaced_rhs_insn,
1520 check whether the value was used in replaced_rhs_value.
1522 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1525 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1526 add_referenced_var instead of add_referenced_tmp_var.
1527 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1528 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1530 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1531 tree_optimize_tail_calls_1): Use add_referenced_var.
1532 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1533 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1534 Use add_referenced_var.
1535 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1536 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1537 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1538 Use add_referenced_var.
1539 * tree-dfa.c (struct walk_state): Remove.
1540 (find_referenced_vars): Remove walk state and vars_found hash table.
1541 (make_rename_temp): Use add_referenced_var.
1542 (find_vars_r): Pass less parameters to add_referenced_var.
1543 (referenced_var_p): New. Is var in referenced_var hash table.
1544 (referenced_var_insert): Assert var isn't already in hash table.
1545 (add_referenced_var): Don't need walk_state parameter. Add var if it
1546 isn't already in the hash table.
1547 (add_referenced_tmp_var): Remove.
1548 (find_new_referenced_vars_1): Use add_referenced_var.
1549 * tree-ssa-pre.c (create_expression_by_pieces,
1550 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1551 Use add_referenced_var.
1552 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1553 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1554 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1556 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1557 vect_create_data_ref_ptr, vect_create_destination_var,
1558 vect_init_vector, vect_build_loop_niters,
1559 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1560 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1561 Use add_referenced_var.
1562 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1563 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1564 (add_referenced_var): Add prototype.
1565 * tree-ssa-structalias.c (get_constraint_for,
1566 intra_create_variable_infos): Use add_referenced_var.
1568 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1570 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1571 big-endian paradoxical subregs.
1572 * var-tracking.c (struct micro_operation_def): Document that,
1573 for modify micro operations, insn is the subsequent instruction.
1574 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1575 (var_reg_set, var_mem_set): ... new functions.
1576 (add_stores): Record subsequent insn.
1577 (compute_bb_dataflow): Use new functions for MO_USE.
1578 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1579 notes after the insn, and modify notes before the insn known
1580 to be the subsequent one.
1581 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1583 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1586 * config/i386/i386.c (ix86_expand_builtin): Use
1587 gen_sse3_monitor64 for TARGET_64BIT.
1589 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1591 PR rtl-optimization/26375
1592 PR rtl-optimization/26855
1593 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1595 (df_ru_bb_local_compute): Reversed statements and removed bogus
1596 comment explaining why they should be in wrong order.
1597 (df_ru_dump, df_rd_dump): Enhanced debug info.
1598 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1600 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1601 reaching uses and fixed space problem.
1603 2006-05-23 Jan Hubicka <jh@suse.cz>
1605 * cgraphunit.c (decide_is_function_needed): Also nested functions
1606 and functions declared inline can be optimized out at -O0.
1608 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1610 * doc/install.texi (Configuration): Remove reference to CrossGCC
1614 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1617 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1618 ix86_compare_emitted is non-NULL.
1620 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1623 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1626 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1628 PR rtl-optimization/25514
1629 * combine.c (replaced_rhs_insn): New variable.
1630 (combine_instructions): Set replaced_rhs_insn when trying to replace
1631 a SET_SRC with a REG_EQUAL note.
1632 (distribute_notes): Use replaced_rhs_insn when determining the live
1633 range of a REG_DEAD register.
1635 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1636 Anatoly Sokolov <aesok@post.ru>
1638 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1639 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1640 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1641 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1642 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1643 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1644 at90usb647, at90usb1286 and at90usb1287 devices.
1645 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1646 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1648 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1650 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1652 2006-05-22 Richard Guenther <rguenther@suse.de>
1655 2006-01-31 Richard Guenther <rguenther@suse.de>
1656 Paolo Bonzini <bonzini@gnu.org>
1658 * doc/install.texi (--disable-libgcc-math): Document.
1660 2006-05-22 Richard Guenther <rguenther@suse.de>
1663 2006-01-31 Richard Guenther <rguenther@suse.de>
1665 * doc/invoke.texi (-msselibm): Document.
1666 * target.h (expand_library_builtin): New target hook.
1667 * builtins.c (expand_builtin): Use expand_library_builtin.
1668 (default_expand_library_builtin): New function.
1669 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1670 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1671 (link_gcc_math_spec): Declare.
1672 (static_specs): Add link_gcc_math_spec.
1673 * expr.h (default_expand_library_builtin): Declare.
1674 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1675 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1676 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1677 * config/i386/i386.opt (msselibm): New target option.
1678 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1679 (ix86_init_sse_abi_builtins): New function.
1680 (ix86_expand_library_builtin): Likewise.
1681 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1682 (override_options): Handle error conditions wrt -msselibm.
1683 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1684 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1685 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1688 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1691 * c-common.c (self_promoting_args_p): Skip erroneous args.
1694 * c-decl.c (finish_struct): Skip erroneous fields.
1696 2006-05-22 Nick Clifton <nickc@redhat.com>
1698 * config/cris/cris.opt (march): Remove VarExists attribute.
1699 (max-stackframe=): Likewise.
1701 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1703 * doc/rtl.texi: Fix a typo.
1704 * see.c: Fix comment typos.
1706 * tree-ssa-structalias.h (alias_info): Remove num_references.
1708 2006-05-21 Mike Stump <mrs@apple.com>
1710 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1712 (darwin_pragma_options): Use BAD instead.
1713 (darwin_pragma_unused): Likewise.
1714 (darwin_pragma_ms_struct): Likewise.
1716 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1718 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1720 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1722 PR rtl-optimization/27671
1723 * simplify-rtx.c (simplify_relational_operation_1): Fix
1724 simplifications of (eq/ne (xor x y) y) and
1725 (eq/ne (xor x y) x).
1727 PR tree-optimization/26622.
1728 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1731 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1733 * tree-cfg.c: Prune whitespace.
1734 (debug_tree_cfg): Point to correct header containing the
1737 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1740 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1742 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1745 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1746 or sorry count is non zero.
1748 2006-05-20 Andreas Schwab <schwab@suse.de>
1750 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1752 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1753 Kenneth Zadeck <zadeck@naturalbridge.com>
1755 PR rtl-optimization/26855
1757 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1759 (df_scan_alloc): Added code to properly handle multiword hard
1760 registers and add all_blocks parameter.
1761 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1762 code to properly handle multiword hard registers.
1763 (df_rescan_blocks): Added code to remove deleted blocks from
1765 (df_ref_create_structure, df_ref_record): Added code to properly
1767 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1768 and set DF_REF_PARTIAL.
1769 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1770 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1771 (df_scan_add_problem): Added flags parameter.
1772 (df_ref_create_structure): Changed switching structure.
1773 (df_bb_refs_record): Fixed case where duplicate artificial refs
1774 were created. Changed location of flags.
1775 (df_record_entry_block_defs): Added code to make stack pointer
1776 live in entry block. Refined cases where frame pointer is needed.
1777 Changed location of flags.
1778 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1779 (df_set_state): Removed function.
1780 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1781 df_insn_create_insn_record, df_insn_refs_delete,
1782 df_ref_create_structure): Formatting changes.
1783 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1784 df_delete_basic_block): New function.
1785 (df_init): Changed location of flags.
1786 (df_add_problem): Added flags parameter and the way flags are
1788 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1789 debug_df_chain): Improved debugging output.
1790 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1791 (df_refs_chain_dump): Removed df parameter.
1792 (df_iterative_dataflow): Added consistency check.
1793 (df_prune_to_subcfg): Made public.
1794 (df_analyze_problem): Added blocks_to_init parameter and made
1796 (df_ref_record, df_bb_refs_record, df_mark_reg,
1797 df_record_exit_block_uses): Whitespace changes.
1798 (df_dump): Whitespace changes.
1799 * df.h: Some reordering to remove forward references.
1800 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1801 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1802 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1803 (dataflow.flags): New field.
1804 (df.flag): Deleted field.
1805 (df_alloc_function): Added additional bitmap parameter.
1806 (df_dependent_problem_function): New type.
1807 (df_problem.changeable_flags): New field.
1808 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1809 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1810 (df_mw_hardreg): New struct.
1811 (DF_INSN_UID_MWS): New macro.
1812 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1814 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1815 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1816 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1817 (df_set_state): Removed function.
1818 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1819 * df-problems.c (df_chain_dump): Removed df parameter.
1820 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1821 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1823 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1824 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1825 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1826 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1827 DF_REF_MUST_CLOBBER cases.
1828 (df_ru_bb_local_compute_process_def,
1829 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1830 df_lr_bb_local_compute, df_ur_bb_local_compute,
1831 df_chain_create_bb): Made subreg aware.
1832 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1833 df_lr_bb_local_compute, df_lr_bb_local_compute,
1834 df_chain_create_bb): Cleanup to use proper macros.
1835 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1836 code to fixup bitvectors.
1837 (df_ri_alloc): Cleared lifetime.
1838 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1839 df_create_unused_note): New function.
1840 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1841 REG_DEAD and REG_UNUSED notes as well as register information.
1842 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1843 df_chains_dump): Fixed crash if problem was never run.
1844 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1845 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1846 df_ri_add_problem): Processes flags in uniform manner.
1847 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1848 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1849 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1850 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1851 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1852 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1853 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1854 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1855 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1856 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1857 * see.c (see_initialize_data): Ditto.
1858 * final.c (rest_of_clean_state) Added regstack_completed.
1859 * rtl.h (regstack_completed): Ditto.
1860 * reg-stack.c (regstack_completed): Ditto.
1862 2006-05-19 Mike Stump <mrs@apple.com>
1864 * c-tree.h (default_conversion): Remove.
1865 * c-common.h (default_conversion): Add.
1867 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1869 * tree-vrp.c (valid_value_p): New function.
1870 (adjust_range_with_scev): Fail if the value of bound is not
1873 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1875 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1876 (mips_fallback_frame_state): Use syscall numbers to determine
1877 the appropriate li instruction for the current ABI. Only use
1878 __NR_sigreturn for o32.
1880 2006-05-19 Nicolas Setton <setton@adacore.com>
1882 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1883 * langhooks.c (lhd_dwarf_name): New function.
1884 * langhooks-def.h (lhd_dwarf_name): Declare.
1885 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1886 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1887 * ada/misc.c (gnat_dwarf_name): New function.
1888 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1890 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1892 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1894 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1895 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1896 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1897 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1898 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1899 determine the size of Wtype, etc.
1900 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1901 (swfloatfuncs): New variable.
1902 (dwfloatfuncs): Likewise.
1903 (lib2funcs): Remove floating-point conversion functions from
1904 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1905 the set of conversion routines needed. Allow entries to specify
1906 an object name, filename and word size. Update users accordingly.
1907 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1908 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1912 2006-02-08 Roger Sayle <roger@eyesopen.com>
1915 * config/fixtfdi.c: New libgcc source file.
1916 * config/fixunstfdi.c: New source file.
1917 * config/floatditf.c: New source file.
1918 * config/floatunditf.c: New souce file.
1919 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1920 files above instead of config/mips/_tilib.c.
1921 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1923 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1925 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1926 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1928 2006-05-18 Mike Stump <mrs@apple.com>
1930 Fix up vla, vm and [*] sematics.
1936 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1937 (c_vla_unspec_p): Add.
1938 (c_vla_type_p): Add.
1939 * c-decl.c (struct c_scope): Add had_vla_unspec.
1940 (build_array_declarator): Add support for [*].
1941 (grokdeclarator): Likewise.
1942 (grokparms): Likewise.
1943 (get_parm_info): Likewise.
1944 * c-objc-common.c (c_vla_unspec_p): Likewise.
1945 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1946 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1947 typeof when argument is a variably modified type not inside sizeof or alignof.
1948 (c_parser_direct_declarator_inner): Propagate errors.
1949 (c_parser_sizeof_expression): Add support for [*].
1950 (c_parser_parms_declarator): Initialize had_vla_unspec.
1951 (c_parser_parms_list_declarator): Likewise.
1952 * c-typeck.c (c_vla_type_p): Add.
1953 (composite_type): Add support for vla compositing.
1954 (comptypes_internal): Add support for vla compatibility.
1955 (c_expr_sizeof_expr): Evaluate vla arguments.
1956 * tree.c (variably_modified_type_p): Update comment for [*].
1958 2006-05-18 Michael Matz <matz@suse.de>
1961 * config.host: Make assignments to host_xmake_file cumulative.
1962 * config.host (*-darwin*): Test $host, not $target.
1964 2006-05-12 Stuart Hastings <stuart@apple.com>
1966 * config/i386/i386.opt (-mstackrealign): New flag.
1967 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1968 (ix86_handle_cconv_attribute): Emit error when
1969 force_align_arg_pointer attribute collides with too many regparms.
1970 (ix86_function_regparm): Limit regparms when used with
1971 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1972 Support stack-realigning prologue in non-main functions. Emit
1973 warning for nested functions under -mstackrealign, emit error for
1974 nested functions with force_align_arg_pointer attribute.
1975 * doc/extend.texi (force_align_arg_pointer): Document it.
1976 * doc/invoke.texi (-mstackrealign): Document it.
1978 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1980 PR rtl-optimization/27477
1981 * combine.c (try_combine): Don't split a parallel consisting
1982 of two sets into two individual sets if both sets reference
1985 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1987 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1988 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1990 * doc/options.texi (VarExists): Updated.
1992 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1994 * unwind-dw2.c: Add declarations for uw_update_context and
1996 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1997 detected, advance frame state and context once to skip over stub.
1999 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2003 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2004 Call rewrite_into_loop_closed_ssa only when something changed.
2005 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2006 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2007 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2008 Test for perfect_nest_p here. Fix formating.
2009 (replace_uses_equiv_to_x_with_y): Fix formating.
2010 (stmt_uses_op): Removed.
2011 (can_convert_to_perfect_nest): Removed loopivs parameter.
2012 Complete the test by checking the scalar dependences.
2013 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2016 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2019 From Dan Kegel <dank@kegel.com>:
2020 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2022 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2024 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2025 if the element type is variably modified without recursing.
2027 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2030 * tree-loop-linear.c (try_interchange_loops): Test for
2031 no data dependences.
2033 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2035 PR tree-optimization/27548
2036 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2037 range of ssa names that appear on abnormal edges.
2038 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2039 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2041 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2044 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2046 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2049 * tree.h (OMP_PARALLEL_COMBINED): Define.
2050 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2051 (new_omp_context): Add is_combined_parallel argument.
2052 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2053 new_omp_context caller.
2054 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2055 Adjust gimplify_scan_omp_clauses callers.
2056 (omp_is_private): Issue errors if iteration variable is firstprivate
2057 or reduction in the current context.
2058 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2059 on combined parallel workshare constructs.
2061 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2063 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2064 (gcc-options.o): New rule.
2066 * optc-gen.awk: Protect variables for gcc-options.o with
2067 #ifdef GCC_DRIVER/#endif.
2069 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2071 Fix PR tree-optimization/27373
2072 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2073 (forward_propagate_addr_expr): Update call.
2075 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2077 * doc/options.texi: Move the Negative option.
2079 2006-05-16 Richard Guenther <rguenther@suse.de>
2081 PR tree-optimization/22303
2082 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2084 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2085 ccp_fold did not simplify the statement.
2087 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2090 * Makefile.in (GCC_OBJS): New.
2091 (OBJS-common): Add opts-common.o.
2092 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2093 (cpp$(exeext)): Likewise.
2094 (gcc.o): Also depend on opts.h.
2095 (opts-common.o): New.
2097 * common.opt (gcoff): Add Negative(gdwarf-2).
2098 (gdwarf-2): Add Negative(gstabs).
2099 (gstabs): Add Negative(gstabs+).
2100 (gstabs+): Add Negative(gvms).
2101 (gvms): Add Negative(gxcoff).
2102 (gxcoff): Add Negative(gxcoff+).
2103 (gxcoff+): Add Negative(gcoff).
2104 * config/i386/i386.opt (m32): Add Negative(m64).
2105 (m64): Add Negative(m32).
2107 * doc/options.texi: Document the Negative option.
2109 * gcc.c: Include "opts.h".
2110 (main): Call prune_options after expandargv.
2112 * optc-gen.awk: Generate common declarations for all flag
2113 variables in options.c. Output the neg_index field.
2115 * opts.c (find_opt): Moved to ...
2116 * opts-common.c: Here. New file.
2118 * opts.h (cl_option): Add a neg_index field.
2120 (prune_options): Likewise.
2122 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2125 * omp-low.c (expand_omp_parallel): Don't assert
2126 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2127 instead search for it.
2130 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2133 2006-05-16 Andreas Schwab <schwab@suse.de>
2135 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2138 2006-05-15 Roger Sayle <roger@eyesopen.com>
2141 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2142 integer constants other than zero are only legitimate on TARGET_64BIT.
2143 <CONST_VECTOR> Only zero vectors are legitimate.
2144 (ix86_cannot_force_const_mem): Integral and vector constants can
2145 always be put in the constant pool.
2147 2006-05-16 DJ Delorie <dj@redhat.com>
2149 * crtstuff.c (__dso_handle): Set section from
2150 TARGET_LBIGCC_SDATA_SECTION if defined.
2151 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2152 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2154 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2157 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2160 2006-05-16 Ben Elliston <bje@au.ibm.com>
2162 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2164 2006-05-15 Per Bothner <per@bothner.com>
2166 * tree.c: (last_annotated_node): Use source_locus typedef.
2167 This permits bootstrapping with --enable-mapped-location.
2169 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2171 PR tree-optimization/26830
2172 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2173 (info_for_ssa_name, current_info_for_ssa_name_age,
2174 blocks_to_update): New variables.
2175 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2176 (clear_ssa_name_info, initialize_flags_in_bb,
2177 mark_block_for_update): New functions.
2178 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2179 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2180 prepare_def_site_for): Use mark_block_for_update.
2181 (mark_def_interesting): Assert that the processed block is marked in
2182 blocks_to_update. Do not take blocks argument.
2183 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2185 (rewrite_update_init_block, rewrite_update_stmt): Only process
2186 blocks with statements to rewrite.
2187 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2188 (update_ssa): Initialize and free blocks_to_update. Do not
2189 clear flags on statements. Do not use blocks bitmap.
2190 * tree.h (SSA_NAME_AUX): Removed.
2191 (struct tree_ssa_name): Removed aux field.
2192 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2194 2006-05-15 Richard Guenther <rguenther@suse.de>
2196 PR tree-optimization/27603
2197 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2198 Do computations in original type.
2200 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2202 * see.c: Code style changes such as redundant paranthesis,
2203 redundant intialization of local variables etc.
2204 (see_main): Declared now as static.
2205 * doc/invoke.texi: Update that -fsee is not enabled by
2208 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2210 * omp-low.c (check_omp_nesting_restrictions): New function.
2211 (scan_omp_1): Call it.
2214 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2215 construct, return *VAR.
2217 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2219 PR rtl-optimization/27406
2220 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2223 2006-05-14 Roger Sayle <roger@eyesopen.com>
2225 PR rtl-optimization/27538
2226 * combine.c (expand_compound_operation): Call gen_lowpart
2227 before calling simplify_shift_const.
2229 2006-05-14 Roger Sayle <roger@eyesopen.com>
2231 PR rtl-optimization/22563
2232 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2233 a fixed width bitfield, always force the intermediates into psuedos.
2235 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2238 * mkconfig.sh: Use operator = instead of == for test.
2240 2006-05-13 Nick Clifton <nickc@redhat.com>
2242 * dwarf2out.c (dbx_reg_number): Check return value from
2243 LEAF_REG_REMAP and only use it if it is valid.
2244 (multiple_reg_loc_descriptor): Likewise.
2246 2006-05-13 Richard Guenther <rguenther@suse.de>
2248 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2251 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2253 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2254 information attached to non-INSNs such as NOTEs.
2255 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2257 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2259 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2261 * config/s390/s390.md: Adjust comment describing On constraint.
2263 2006-05-11 Jan Hubicka <jh@suse.cz>
2265 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2266 to be output at -O0.
2268 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2271 * fold-const.c (size_binop): Move sanity check for arguments to
2272 the beginning of the function.
2275 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2278 2006-05-11 Richard Guenther <rguenther@suse.de>
2281 * fold-const.c (fold_unary): Handle intermediate conversion
2282 to a pointer type like intermediate conversion to an integer
2283 type in folding of (T1)(T2)var to var.
2284 Match the code to the comment in the final conversion for
2285 (T1)(T2)var to (T1)var regarding to type precision. Rather
2286 than disallow T1 being of pointer type, assert that both T1
2287 and var are of pointer type or not. Make sure not to fall
2288 over the frontends lazyness wrt array to pointer decay though.
2290 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2292 * arm.c (arm_struct_value_rtx): Delete.
2293 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2294 (arm_init_cumulative_args): Always initialize nregs to zero.
2296 2006-05-10 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/27532
2299 * tree-object-size.c (plus_expr_object_size): Fix typo.
2301 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2304 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2305 ashrdi_const, ashrdi3): Use a scratch register.
2307 2006-05-10 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/27302
2310 * fold-const.c (operand_equal_p): For two comparisons,
2311 try comparison of one comparison code swapped if that yields
2314 2006-05-10 Ben Elliston <bje@au.ibm.com>
2316 * tree-pretty-print.c (pretty_print_string): No need to handle
2317 '\0' as a special character.
2319 * tree.h: Include "hashtab.h".
2320 (iterative_hash_expr): Use hashval_t in its prototype.
2321 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2323 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2326 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2327 (hppa*64*-*-hpux11*): Ditto.
2328 (hppa[12]*-*-hpux11*): Ditto.
2330 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2333 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2335 2006-05-09 Michael Matz <matz@suse.de>
2337 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2338 host_extra_gcc_objs and host_xmake_file.
2339 (<*-*-linux*>): Don't overwrite host_xmake_file.
2340 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2341 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2342 (host_detect_local_cpu): Declare.
2343 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2344 * config/i386/i386.c (override_options): Handle -mtune=native
2346 * config/i386/x-i386: New file.
2347 * config/i386/driver-i386.c: New file.
2348 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2351 2006-05-09 Dirk Mueller <dmueller@suse.de>
2352 Richard Guenther <rguenther@suse.de>
2355 * fold-const.c (fold_read_from_constant_string): Relax check
2356 for matching types to matching modes.
2358 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2360 PR rtl-optimization/27335
2361 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2364 2006-05-08 Chao-ying Fu <fu@mips.com>
2365 Richard Sandiford <richard@codesourcery.com>
2367 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2368 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2369 * config/mips/mips.md (UNSPEC_SCC): New constant.
2370 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2371 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2372 (mips_emit_compare): Use it.
2373 (mips_expand_vcondv2sf): New function.
2375 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2377 Fix PR tree-optimization/27093
2378 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2379 renaming when they become not-used_alone.
2381 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2383 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2384 relocation and relocation stubs.
2386 2006-05-08 Eric Christopher <echristo@apple.com>
2388 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2391 2006-05-08 Jan Hubicka <jh@suse.cz>
2394 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2395 unused static functions are needed.
2397 2006-05-08 Roger Sayle <roger@eyesopen.com>
2400 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2401 of a reg_equiv_constant if the result is a legitimate constant.
2403 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2406 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2407 standard 80387 constants, raise the cost to prevent
2408 compress_float_constant() to generate load from memory.
2410 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2412 * config/arm/constraints.md (c): Fix a typo.
2414 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2417 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2420 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2422 (_mm_mwait): Likewise.
2424 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2426 (sse3_monitor): Make it 32bit only.
2427 (sse3_monitor64): New. 64bit monitor.
2429 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2432 * config/i386/i386.c (classify_argument): Skip fields with invalid
2435 2006-05-07 Richard Guenther <rguenther@suse.de>
2437 PR tree-optimization/27409
2438 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2439 Do not try to find zero-sized subvars.
2441 2006-05-07 Richard Guenther <rguenther@suse.de>
2443 PR tree-optimization/27136
2444 * tree-ssa-loop-niter.c (get_val_for): Correct function
2445 comment, assert requirements.
2446 (loop_niter_by_eval): Stop processing if the iterated
2447 value did not simplify.
2449 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2451 * opts.c (flag_see): remove its setting at -O3.
2453 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2455 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2456 * arm/constraints.md: New file.
2457 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2458 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2459 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2460 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2461 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2462 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2463 * arm.md: Include constraints.md.
2464 (thumb_movsi_insn): Use satisfies_constraint_J.
2465 (movhi, movqi): Use satisfies_constraint_I.
2467 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2469 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2470 for atmeg a645 device.
2472 2006-05-06 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/27151
2475 * tree-vect-transform.c (vectorizable_condition): Punt on
2476 values that have a different type than the condition.
2478 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2481 * c-parser.c (c_parser_cast_expression): Only insert casts into
2482 hash table if pointer.
2483 * function.c (used_types_insert_helper): Rename from
2485 (used_types_insert): Call used_types_insert_helper.
2486 * function.h (used_types_insert): Accept only one argument.
2488 2006-05-05 David Edelsohn <edesohn@gnu.org>
2490 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2491 scratch with output modifier.
2493 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2496 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2497 with output modifier.
2499 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2502 * config/mips/mips.c (mips_symbolic_address_p): Return true
2503 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2504 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2506 2006-05-04 Richard Guenther <rguenther@suse.de>
2508 PR tree-optimization/14287
2509 PR tree-optimization/14844
2510 PR tree-optimization/19792
2511 PR tree-optimization/21608
2512 PR tree-optimization/27090
2513 * tree-ssa-pre.c (try_combine_conversion): New function.
2514 (compute_avail): After constructing the value-handle
2515 expression, use try_combine_conversion to combine NOP_EXPRs
2516 with previous value-handle expressions and use the result if it
2519 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2521 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2523 2006-05-04 Jan Hubicka <jh@suse.cz>
2526 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2528 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2530 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2531 that this only matches CONST_INTs. All users changed to VOIDmode
2534 * config/bfin/bfin.c: Include "optabs.h".
2535 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2537 (enum bfin_builtins): Add a number of fractional and vector builtins.
2538 (bfin_init_builtins): Likewise.
2539 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2540 (safe_vector_operand, bfin_expand_binop_builtin,
2541 bfin_expand_unop_builtin): New functions.
2542 (bfin_expand_builtin): Handle the new builtins.
2543 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2546 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2549 * Makefile.in (OBJS-common): Add see.o.
2550 (see.o): Add dependencies.
2551 * common.opt (fsee): New flag for the see optimization was added.
2552 * opts.c (flag_see): Initialized.
2553 * passes.c (init_optimization_passes, pass_see): New pass.
2554 * rtl.h (see_main): Declaration as extern.
2555 * timevar.def (TV_SEE): New.
2556 * tree-pass.h (pass_see): Declaration as extern.
2557 * invoke.texi (-fsee): Document.
2558 * recog.c (validate_simplify_insn): New function.
2559 * recog.h (validate_simplify_insn): Declaration as extern.
2560 * df-problems.c (df_chain_dump): Check for NULL.
2562 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2563 Daniel Berlin <dberlin@dberlin.org>
2565 * cfgrtl.c (insert_insn_bb_end_new): New function.
2566 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2568 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2570 * df.h (struct web_entry): Moved from web.c.
2571 (union_defs): Declaration as extern.
2572 (unionfind_root): Likewise.
2573 (unionfind_union): Likewise.
2574 * web.c (struct web_entry): Moved to df.h.
2575 (unionfind_root): Remove static declaration.
2576 (unionfind_union): Likewise.
2577 (union_defs): Likewise and generalize to use callback function.
2578 (web_main): Update arguments for union_defs function call.
2580 2006-05-04 Richard Guenther <rguenther@suse.de>
2582 PR tree-optimization/26447
2583 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2584 produce SSA_NAME copies before the store stmt to avoid
2585 breaking exception handling.
2587 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2590 * gimplify.c (omp_is_private): If var is shared in some outer context,
2591 return false instead of true. Stop searching on parallel context
2594 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2597 * coverage.c: Use get_gcov_unsigned_t() instead of
2598 unsigned_type_node all over.
2600 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2602 PR tree-optimization/27381
2603 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2604 maintain the same immediate_use links.
2605 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2606 node rather than segfaulting.
2608 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2611 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2612 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2613 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2615 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2617 Fix PR tree-optimization/26626
2618 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2620 * tree-ssa-operands.c (access_can_touch_variable): Allow
2621 typecasting through union pointers.
2623 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2626 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2627 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2628 to find if var will be a global variable even in the nested context.
2629 (omp_copy_decl): Only check for global variable at the end, it might
2630 be overridden in outer contexts.
2631 (scan_sharing_clauses): For global variables don't create a field.
2632 (lower_rec_input_clauses): Do nothing for global shared variables.
2633 Emit a barrier at the end of ILIST if there were any decls in both
2634 firstprivate and lastprivate clauses.
2635 (lower_send_clauses): Do nothing for global variables except for
2638 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2640 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2641 of the correct signedness is returned.
2643 2006-05-02 Jeff Law <law@redhat.com>
2645 PR tree-optimization/27364
2646 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2647 multiply expressions.
2649 2006-05-02 Tom Tromey <tromey@redhat.com>
2651 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2653 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2656 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2657 -mthumb -fPIC are used.
2659 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2660 Joshua Kinard <kumba@gentoo.org>
2663 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2664 with 64-bit pointers.
2666 2006-05-02 Paul Brook <paul@codesourcery.com>
2668 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2670 (create_fix_barrier): Check that a suitable barrier location is
2672 (arm_reorg): Include ftmp->address in allowable range of addresses.
2674 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2677 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2680 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2683 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2684 around RESULT_DECL for result passed by reference.
2685 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2686 * omp-low.c (use_pointer_for_field): Don't look at
2687 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2688 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2689 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2690 time or var for passing by reference for
2691 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2692 TREE_ADDRESSABLE variables when passing by reference.
2694 * omp-low.c (dump_omp_region): Fix output formatting.
2697 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2698 (expand_omp_parallel): Likewise.
2699 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2702 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2703 on statement list containing also constructors and destructors.
2704 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2707 * except.c (duplicate_eh_regions): Fix clearing of
2708 cfun->eh->region_array entries.
2710 2006-05-01 DJ Delorie <dj@redhat.com>
2712 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2714 (gcc_cv_objdump): Likewise.
2715 * configure: Regenerated.
2717 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2720 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2721 templates for case 3 and 4.
2723 2006-05-01 DJ Delorie <dj@redhat.com>
2725 * vec.c: Include bconfig.h when appropriate.
2726 * Makefile.in (build/vec.o): Adjust dependencies.
2727 * mkconfig.sh: Make sure config.h isn't used for build machine
2730 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2732 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2734 (mark_phi_for_rewrite): New function.
2735 (insert_phi_nodes_for, mark_use_interesting): Call
2736 mark_phi_for_rewrite.
2737 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2738 (update_ssa): Initialize and free phis_to_rewrite.
2740 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2742 PR rtl-optimization/27291
2743 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2744 folded to a constant.
2746 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2748 PR tree-optimization/27283
2749 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2750 not whole # of iteration descriptions.
2751 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2752 uses abnormal ssa name.
2753 (niter_for_single_dom_exit): Ditto.
2754 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2755 return just the number of iterations.
2757 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2759 PR tree-optimization/27144
2760 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2761 (record_estimate): Only record constant upper bound.
2762 (infer_loop_bounds_from_undefined): Call
2763 compute_estimated_nb_iterations just once.
2764 (proved_non_wrapping_p): Renamed to ...
2765 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2766 (convert_step_widening, scev_probably_wraps_p): Call
2767 n_of_executions_at_most instead of proved_non_wrapping_p.
2768 (substitute_in_loop_info): Do not replace values in bounds.
2769 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2772 2006-05-01 Richard Henderson <rth@redhat.com>
2775 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2776 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2779 2006-05-01 Roger Sayle <roger@eyesopen.com>
2781 * c-typeck.c (parser_build_binary_op): Don't call the function
2782 unsigned_conversion_warning to spot operand/result type overflow.
2783 (build_binary_op): Instead, call convert_and_check instead of
2784 convert to report the problem when the operands are promoted.
2785 * c-common.c (unsigned_conversion_warning): Make static.
2786 * c-common.h (unsigned_conversion_warning): Delete prototype.
2788 2006-05-01 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/26726
2791 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2793 (find_interesting_uses_address): ... we work around here
2794 by folding INDIRECT_REFs in the substituted base.
2796 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2798 * omp-low.c (dump_omp_region): Add newlines.
2800 2006-04-30 Roger Sayle <roger@eyesopen.com>
2802 * common.opt (Woverflow): New command line option.
2803 * c-common.c (constant_expression_warning): Check warn_overflow.
2804 (overflow_waring): Pass OPT_Woverflow to warning.
2805 (unsigned_conversion_warning): Likewise.
2806 (convert_and_check): Likewise.
2807 * doc/invoke.texi: Document new command line option.
2809 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2811 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2812 TARGET_NO_FP_IN_TOC for section anchors.
2813 (optimization_options): Enable section anchors for all
2814 non-"Objective" languages.
2816 2006-04-28 Eric Christopher <echristo@apple.com>
2818 * config/darwin-c.c (darwin_ms_struct): Move this
2819 (darwin_set_default_type_attributes): and this...
2820 * config/darwin.c: ... here.
2821 * config/darwin.h (darwin_ms_struct): Declare.
2823 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2825 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2827 2006-04-28 Roger Sayle <roger@eyesopen.com>
2830 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2831 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2832 an unsigned HOST_WIDE_INT.
2833 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2835 (really_start_incremental_init): No need to call convert because
2836 bitsize_zero_node is already of type bitsizetype.
2837 (push_init_level): Extract the value of constructor_index as an
2838 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2839 (process_init_element): Likewise.
2841 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2843 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2844 value before passing to make_relative_prefix.
2846 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2849 * builtins.c (expand_builtin_memset): Expand val in original mode.
2851 2006-04-27 Eric Christopher <echristo@apple.com>
2853 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2854 with #ifndef/#endif.
2855 * config/darwin-c.c (darwin_ms_struct): New.
2856 (darwin_pragma_ms_struct): Ditto.
2857 (darwin_set_default_type_attributes): Ditto.
2858 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2859 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2860 Register ms_struct pragma.
2861 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2862 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2863 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2864 darwin_set_default_type_attributes if TARGET_MACHO.
2866 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2868 PR tree-optimization/26854
2869 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2870 * doc/tree-ssa.texi: Update immuse iterator documentation.
2871 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2873 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2874 first_safe_imm_use, next_safe_imm_use): Remove.
2875 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2876 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2877 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2878 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2879 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2880 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2881 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2882 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2883 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2884 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2885 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2886 (perfect_nestify): Use new iterator.
2887 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2889 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2890 (next_imm_name): New field in struct immediate_use_iterator_d.
2891 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2892 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2893 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2894 * tree-cfg.c (replace_uses_by): Use new iterator.
2895 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2896 * tree-ssa-operands.c (correct_use_link): Remove.
2897 (finalize_ssa_use_ops): No longer call correct_use_link.
2899 2006-04-27 Stuart Hastings <stuart@apple.com>
2901 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2902 * config/t-darwin (crt3.o): Use it.
2903 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2904 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2905 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2906 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2907 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2910 2006-04-27 Roger Sayle <roger@eyesopen.com>
2912 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2913 size, force the intermediate into a new pseudo rather instead of
2914 performing both a bitwise AND and a bitwise IOR in memory.
2916 2006-04-27 Richard Guenther <rguenther@suse.de>
2918 PR rtl-optimization/26685
2919 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2920 this one "max-flow-memory-locations".
2922 2006-04-27 Richard Guenther <rguenther@suse.de>
2924 PR tree-optimization/25148
2925 * tree-vrp.c (compare_values): Remove code dealing with
2926 comparisons against type min/max value. Honour overflow
2927 and negative constants in code dealing with comparisons
2928 of plus and minus expressions.
2929 (value_inside_range): Use fold_binary with LE_EXPR and
2930 GE_EXPR rather than compare_values.
2932 2006-04-27 Dirk Mueller <dmueller@suse.de>
2934 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2937 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2939 * basic-block.h (safe_insert_insn_on_edge): Removed.
2940 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2942 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2943 Paolo Bonzini <bonzini@gnu.org>
2946 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2947 (simplify_and_const_int): Same.
2949 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2951 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2953 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2956 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2957 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2958 cgraph_global_info_ready.
2961 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2964 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2965 either decl or init is error_mark_node.
2968 * tree-flow.h (struct omp_region): Add sched_kind.
2969 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2970 instead of extracting omp for data.
2971 (expand_omp_for): Save extracted sched_kind.
2973 2006-04-25 Roger Sayle <roger@eyesopen.com>
2975 * expmed.c (store_bit_field): Also check whether the bitsize is
2976 valid for the machine's "insv" instruction before moving the
2977 target into a pseudo for use with the insv.
2978 * config/i386/predicates.md (const8_operand): New predicate.
2979 * config/i386/i386.md (extv, extzv, insv): Use the new
2980 const8_operand predicate where appropriate.
2982 2006-04-25 DJ Delorie <dj@redhat.com>
2984 * doc/install.texi (Specific): Clarify that this is not a list of
2985 supported hosts or targets.
2987 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2989 PR rtl-optimization/26725
2990 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2991 block's BB_DIRTY flag.
2993 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2995 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2998 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2999 to print an integer.
3001 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3003 * varasm.c (align_variable): New function.
3004 (get_block_for_decl): Apply align_variable to DECL before
3005 calculating section information.
3006 (assemble_variable): Split out alignment computation.
3008 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3010 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3013 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3015 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3016 MODE_PARTIAL_INT mode.
3017 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3018 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3020 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3021 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3023 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3025 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3027 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3028 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3029 MACFLAG_IH): Likewise.
3030 (movstricthi_1): Renamed from "*movstricthi".
3031 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3032 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3033 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3034 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3035 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3036 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3037 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3038 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3039 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3040 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3041 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3042 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3043 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3044 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3045 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3047 * doc/rtl.texi (ss_ashift): Improve wording.
3049 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3051 * dwarf2out.c (verify_marks_clear): New.
3052 (prune_unused_types): Call verify_marks_clear initially, not
3055 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3057 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3058 * doc/rtl.texi: Document them.
3059 * simplify-rtx.c (simplify_unary_operation,
3060 simplify_binary_operation_1): Don't abort when we see them.
3062 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3065 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3066 * configure.ac: Completely disregard languages that are not
3068 * configure: Regenerated.
3070 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3071 Richard Guenther <rguenther@suse.de>
3073 PR tree-optimization/27236
3074 * tree-inline.c (copy_body_r): Make sure to copy
3075 TREE_THIS_VOLATILE flag.
3077 2006-04-24 Richard Guenther <rguenther@suse.de>
3080 * tree-complex.c (update_parameter_components): Don't handle
3081 unused parameters which have no default def.
3083 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3084 Richard Guenther <rguenther@suse.de>
3086 PR tree-optimization/27218
3087 * tree-inline.c (expand_call_inline): Strip useless type
3088 conversions for the return slot address.
3090 2006-04-24 Richard Guenther <rguenther@suse.de>
3092 * cfgloop.h (struct loops): Remove unused field array. Reorder
3094 (LOOP_PREFETCH): Remove.
3096 2006-04-24 Richard Guenther <rguenther@suse.de>
3098 PR tree-optimization/22525
3099 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3100 variable, adjust types of generated expressions.
3102 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3104 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3105 (tree-vect-patterns.o): Likewise.
3107 (cselib.o): Likewise.
3108 (loop-doloop.o): Likewise.
3109 (regclass.o): Likewise.
3110 (reload1.o): Likewise.
3111 (explow.o): Replace target.h with $(TARGET_H).
3112 (ipa-prop.o): Likewise.
3113 (ipa-cp.o): Likewise.
3114 (ipa-inline.o): Likewise.
3115 (reorg.o): Likewise.
3116 (reg-stack.o): Likewise.
3118 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3120 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3122 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3124 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3126 * configure.ac: Completely disregard languages that are not
3128 * configure: Regenerated.
3131 * c-common.h (c_build_bitfield_integer_type): Declare.
3132 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3133 * c-common.c (c_build_bitfield_integer_type): ... here.
3135 2006-04-23 Roger Sayle <roger@eyesopen.com>
3138 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3139 a SImode SUBREG of a floating point register after no_new_pseudos.
3141 2006-04-23 Roger Sayle <roger@eyesopen.com>
3143 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3144 identify potentially eliminable registers to additionally catch
3145 VIRTUAL_INCOMING_ARGS_REGNUM.
3146 (addsi3): Update the conditions on when to use addsi_small_int.
3148 2006-04-23 Roger Sayle <roger@eyesopen.com>
3151 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3152 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3153 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3155 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3157 * fold-const.c (range_predecessor): Use operand_equal_p
3158 as the predicate for equality.
3159 (range_successor): Likewise.
3161 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3164 * config/soft-fp/op-common.h: Fix a typo.
3166 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3169 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3170 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3172 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3174 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3176 * doc/tm.texi: Fix a typo.
3178 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3180 * dwarf2out.c (struct die_struct): Document that die_sib makes
3181 a circular linked list.
3182 (FOR_EACH_CHILD): New.
3183 (reverse_die_lists): Delete.
3184 (reverse_all_dies): Delete.
3185 (add_dwarf_attr): Correct documentation.
3186 (remove_child_with_prev): New.
3187 (remove_child_TAG): Update for change to die_struct, use
3188 remove_child_with_prev.
3189 (add_child_die): Update for change to die_struct.
3190 (splice_child_die): Use remove_child_with_prev and add_child_die.
3191 (print_die): Use FOR_EACH_CHILD.
3192 (die_checksum): Likewise.
3193 (assign_symbol_names): Likewise.
3194 (output_location_lists): Likewise.
3195 (build_abbrev_table): Likewise.
3196 (calc_die_sizes): Likewise.
3197 (mark_dies): Likewise.
3198 (unmark_dies): Likewise.
3199 (unmark_all_dies): Likewise.
3200 (output_die): Likewise.
3201 (prune_unused_types_mark): Likewise.
3202 (prune_unused_types_walk): Likewise.
3203 (same_die_p): Update for change to die_struct.
3204 (break_out_includes): Likewise.
3205 (prune_unused_types_prune): Likewise.
3206 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3207 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3209 (dwarf2out_finish): Don't call reverse_all_dies.
3211 2006-04-21 Eric Christopher <echristo@apple.com>
3213 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3214 in comments and function names.
3216 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3219 * c-typeck.c (digest_init): Robustify.
3221 * c-typeck.c (pop_init_level): Simplify.
3223 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3225 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3227 2006-04-21 Paul Brook <paul@codesourcery.com>
3229 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3230 hardware floating point.
3232 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3234 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3237 2006-04-21 Nick Clifton <nickc@redhat.com>
3239 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3242 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3245 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3246 C++ lang type in traceback table for Objective-C++.
3248 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3250 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3252 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3254 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3257 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3258 were errors. Remove check for erroneous objects.
3260 2006-04-20 Jeff Law <law@redhat.com>
3262 PR tree-optimization/26854
3263 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3264 checking for zero or one use.
3265 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3266 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3267 * tree-ssa-reassoc.c (negate_value): Similarly.
3268 (reassociate_bb): Similarly.
3270 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3272 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3273 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3274 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3276 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3278 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3279 fp regs if the last fp arg doesn't fit in regs.
3281 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3284 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3285 that the last insn has the REG_INC note.
3287 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3288 Nathan Sidwell <nathan@codesourcery.com>
3291 * stor-layout.c (update_alignment_for_field): Do not align
3293 (place_union_field): Place union field at the start of the union.
3294 (place_field): Move ERROR_MARK check later, and use the current
3295 allocation position to maintain monotonicity.
3297 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3299 * dominance.c: Include timevar.h.
3300 (calculate_dominance_info): Use TV_DOMINANCE.
3301 * timevar.def (TV_DOMINANCE): New timevar.
3302 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3304 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3306 PR rtl-optimization/14261
3307 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3308 move would be an INSV insn.
3309 (noce_process_if_block): Don't optimize if the destination is a
3310 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3312 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3314 * config/s390/s390.md: Add comments with the instructions emitted
3315 by an insn pattern if macros are used.
3317 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3319 PR rtl-optimization/26026
3320 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3321 is a known power of two shifted left a variable amount.
3323 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3325 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3326 to hash table twice when the debug_str section has SECTION_MERGE.
3328 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3330 * config/soft-fp: New directory. From glibc.
3331 * config/soft-fp/t-softfp: New.
3332 * config/soft-fp/README: New.
3333 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3334 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3335 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3336 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3337 * config.gcc: Use rs6000/t-fprules-fpbit or
3338 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3340 * config/rs6000/sfp-machine.h: New. Based on glibc.
3341 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3343 * config/rs6000/t-fprules: Remove fp-bit rules.
3344 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3345 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3346 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3347 (softfp_wrap_start, softfp_wrap_end): New.
3349 2006-04-18 DJ Delorie <dj@redhat.com>
3351 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3353 2006-04-18 Devang Patel <dpatel@apple.com>
3355 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3357 2006-04-18 Nick Clifton <nickc@redhat.com>
3359 * config/sh/t-symbian: Add rule to build sh-c.o
3360 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3361 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3362 (sh_symbian_encode_section_info): Likewise.
3364 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3366 * builtins.c (expand_builtin_strcmp): Cover label definition of
3367 do_libcall with HAVE_cmpstrnsi.
3369 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3371 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3373 * function.h (temp_slot_p): New.
3374 (function): Change the type of x_used_temp_slots to
3375 VEC(temp_slot_p,gc) *.
3377 2006-04-18 Nick Clifton <nickc@redhat.com>
3379 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3380 flag_strength_reduce.
3382 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3384 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3388 Partial revert of revision 112637
3389 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3390 Dale Johannesen <dalej@apple.com>
3393 * regclass.c (struct reg_pref): Update documentation.
3394 (regclass): Set prefclass to NO_REGS if memory is the best option.
3395 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3397 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3399 PR tree-optimization/26821
3400 * tree-ssa-math-opts.c (get_constant_one): New.
3401 (insert_reciprocals): Use it.
3403 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3405 * dwarf2out.c (free_AT): Delete.
3406 (remove_AT): Update string ref counts.
3407 (remove_child_TAG): Don't call free_die.
3409 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3410 or DW_TAG_GNU_EINCL.
3411 (prune_unused_types_walk_attribs): Reset string refcounts.
3412 (prune_unused_types_update_strings): New.
3413 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3414 call free_die. Do call prune_unused_types_update_strings.
3415 (prune_unused_types): Empty debug_str_hash.
3417 2006-04-17 Roger Sayle <roger@eyesopen.com>
3419 * expr.c (expand_assignment): Optimize away no-op moves where the
3420 source and destination are equal and have no side-effects.
3422 2006-04-17 Richard Guenther <rguenther@suse.de>
3425 * reload.c (push_reload): Guard calls to get_secondary_mem
3428 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3430 * alias.c (reg_base_value, old_reg_base_value): Change the
3431 type to VEC(rtx,gc) *.
3432 (REG_BASE_VALUE, find_base_value, record_set,
3433 init_alias_analysis): Use VEC instead of VARRAY.
3435 * alias.c (alias_sets): Change the type to
3436 VEC(alias_set_entry,gc) *.
3437 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3438 VEC instead of VARRAY.
3439 (last_alias_set): Remove.
3441 * cgraph.h (cgraph_edge_p): New.
3442 Update the prototype of cgraph_function_versioning.
3443 * cgraphunit.c (cgraph_copy_node_for_versioning,
3444 cgraph_function_versioning): Use VEC instead of VARRAY.
3445 * ipa-cp.c (ipcp_insert_stage): Likewise.
3447 2006-04-16 Roger Sayle <roger@eyesopen.com>
3450 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3451 "A op B" or "A op C", we may need to convert A to the type of B and C.
3453 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3455 * target.h (struct gcc_target): Add mode_rep_extended.
3456 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3457 (init_num_sign_bit_copies_in_rep): Initialize it using
3459 (truncate_to_mode): Use it.
3460 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3461 * targhooks.h (default_mode_rep_extended): Declare it.
3462 * targhooks.c (default_mode_rep_extended): Define it.
3463 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3464 default_mode_rep_extended.
3465 (TARGET_INITIALIZER): Include it.
3466 * doc/tm.texi (Misc): Document it.
3467 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3468 (mips_truncated_to_mode): New function.
3470 2006-04-16 Roger Sayle <roger@eyesopen.com>
3473 * expr.c (compress_float_constant): Copy the narrow constant into
3474 a new pseudo before extending it to its final width.
3476 2006-04-16 Roger Sayle <roger@eyesopen.com>
3477 Andrew Pinski <pinskia@gcc.gnu.org>
3478 Dale Johannesen <dalej@apple.com>
3481 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3482 special case code to implement V8HImode and V16QImode with SSE2.
3484 2006-04-15 Roger Sayle <roger@eyesopen.com>
3486 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3487 trees are constructed with a suitable tree type.
3489 2006-04-15 Roger Sayle <roger@eyesopen.com>
3491 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3492 (integer_onep): Likewise.
3493 (integer_all_onesp): Likewise.
3494 (integer_pow2p): Likewise.
3495 (integer_nonzerop): Likewise.
3496 (real_zerop): Likewise.
3497 (real_onep): Likewise.
3498 (real_twop): Likewise.
3499 (real_minus_onep): Likewise.
3500 (int_size_in_bytes): Likewise.
3501 (host_integerp): Likewise.
3503 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3505 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3506 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3507 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3509 * tree-ssa-structalias.h (alias_info): Remove num_references.
3511 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3513 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3514 (output_bvb patterns): Likewise.
3515 * pa.c (output_bb): Use 'bb' insn for long branch case.
3516 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3517 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3518 1. Correct length operand for alternatives 1 and 2.
3519 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3520 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3522 2006-04-14 Roger Sayle <roger@eyesopen.com>
3524 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3525 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3526 were accidentally reverted by r112959.
3528 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3531 * except.h (eh_region_outermost): New prototype.
3532 * except.c (eh_region_outermost): New function.
3533 * tree-cfg.c (find_outermost_region_in_block): Use it.
3535 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3537 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3539 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3540 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3541 (init_reload, reload): Use VEC instead of VARRAY.
3542 * reload.h: Update the prototype for
3543 reg_equiv_memory_loc_varray.
3545 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3546 Eric Botcazou <ebotcazou@libertysurf.fr>
3548 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3551 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3554 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3555 to expand fallback builtin function call.
3557 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3560 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3561 and emit libcall here in case the builtin fails.
3562 (expand_builtin_strcmp): Always emit the libcall here on failure.
3564 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3566 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3567 * flow.c (reg_n_info): Change the type to
3568 VEC(reg_info_p,heap) *.
3569 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3571 * regs.h (reg_info_p): New.
3572 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3573 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3574 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3577 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3579 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3581 * params.h (MAX_SCHED_READY_INSNS): New macro.
3582 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3583 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3584 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3585 the ready list for 1 cycle during the first scheduling pass.
3586 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3588 2006-04-13 Richard Henderson <rth@redhat.com>
3591 * gimple-low.c (lower_omp_directive): Remove dead code.
3592 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3593 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3594 * omp-low.c (struct omp_region): Move to tree-flow.h.
3595 (root_omp_region): Export.
3596 (omp_regions, lookup_omp_region): Remove.
3597 (determine_parallel_type): Update for struct omp_region changes.
3598 (dump_omp_region): Dump regions with block numbers.
3599 (new_omp_region): Take type and block instead of stmt; malloc
3601 (free_omp_region_1, free_omp_regions): New.
3602 (expand_parallel_call): Take entry_stmt as argument; update for
3603 changes to omp_region.
3604 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3605 (remove_exit_barriers): New.
3606 (expand_omp_parallel): Update for struct omp_region changes.
3607 (expand_omp_synch): Likewise.
3608 (expand_omp): Likewise.
3609 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3610 (expand_omp_for_static_chunk): Likewise.
3611 (expand_omp_for): Likewise.
3612 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3613 (expand_omp_sections): Similarly, with GOMP_sections_end.
3614 (expand_omp_single): New.
3615 (build_omp_regions_1): Update for OMP_CONTINUE.
3616 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3617 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3618 OMP_SECTIONS_SECTIONS.
3619 (lower_omp_single_simple): Don't emit barrier here.
3620 (lower_omp_single_copy): Likewise.
3621 (lower_omp_single): Fix bindings, and lower to straightline now.
3622 (lower_omp_master, lower_omp_ordered): Likewise.
3623 (lower_omp_critical): Likewise.
3624 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3625 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3626 omp edges, free it afterward.
3627 (make_omp_sections_edges): Remove.
3628 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3629 (move_stmt_r): Handle OMP_CONTINUE.
3630 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3631 statement pointers to basic blocks. Add type member.
3632 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3633 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3634 * tree-inline.c (estimate_num_insns_1): Likewise.
3635 * tree-pretty-print.c (dump_generic_node): Likewise.
3636 * tree-ssa-operands.c (get_expr_operands): Likewise.
3637 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3638 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3639 (OMP_CONTINUE): New.
3640 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3641 (OMP_SECTIONS_SECTIONS): Remove.
3642 (OMP_SECTION_LAST): New.
3643 (OMP_RETURN_NOWAIT): New.
3645 2006-04-13 Roger Sayle <roger@eyesopen.com>
3647 * fold-const.c (native_encode_vector, native_interpret_real):
3648 Correct obvious mistakes in the previous check-in.
3650 2006-04-13 Roger Sayle <roger@eyesopen.com>
3652 * fold-const.c (native_encode_expr): New function to encode
3653 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3654 or VECTOR_CST into a specified buffer.
3655 (native_encode_int): New function.
3656 (native_encode_real): New function.
3657 (native_encode_complex): New function.
3658 (native_encode_vector): New function.
3659 (native_interpret_expr): Inverse of native_encode_expr to convert
3660 a target representation into an INTEGER_CST, REAL_CST etc...
3661 (native_interpret_int): New function.
3662 (native_interpret_real): New function.
3663 (native_interpret_complex): New function.
3664 (native_interpret_vector): New function.
3665 (fold_view_convert_expr): New function to constant fold/evaluate
3666 a VIEW_CONVERT_EXPR of a suitable constant expression.
3667 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3668 Change call of build1 to fold_build1 when constructing a
3671 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3672 Ulrich Weigand <uweigand@de.ibm.com>
3675 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3678 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3681 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3682 optimize to lo_sum for DFmode if !TARGET_FPRS.
3684 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3686 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3687 delete_alias_info, compute_flow_sensitive_aliasing,
3688 group_aliases): Use VEC instead of VARRAY.
3689 * tree-ssa-structalias.c (update_alias_info): Likewise.
3690 * tree-ssa-structalias.h (alias_info): Change the type of
3691 processed_ptrs to VEC(tree,heap) *.
3693 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3696 * config/sh/lib1funcs.h: New file, broken out of:
3697 * config/sh/lib1funcs.asm.
3698 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3700 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3701 * config/sh/lib1funcs-Os-4-200.asm: New file.
3702 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3703 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3704 (EXTRA_MULTILIB_PARTS): Include it.
3705 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3706 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3707 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3708 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3711 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3713 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3714 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3715 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3717 * tree-ssa-live.h: Include vecprim.h.
3718 (tree_partition_associator_d): Change the type of
3719 first_partition to VEC(int,heap) *.
3720 (tpa_first_partition): Use VEC instead of VARRAY.
3722 * Makefile.in (GTFILES): Move functions.h after tree.h.
3723 * function.c (reset_block_changes, record_block_change,
3724 check_block_change, free_block_changes): Use VEC instead of
3726 * function.h (function): Change the type of
3727 ib_boundaries_block to VEC(tree,gc) *.
3728 * tree-inline.c (copy_cfg_body): Initialize
3729 ib_boundaries_block to NULL instead of (varray_type) 0.
3731 2006-04-12 Roger Sayle <roger@eyesopen.com>
3733 * expr.c (emit_group_store): Correct operand order in call to
3734 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3735 a SUBREG_BYTE of zero.
3737 2006-04-12 Richard Guenther <rguenther@suse.de>
3739 * profile.c (compute_branch_probabilities): Remove code
3740 encapsulated in !ir_type (), which are remanents of the
3741 removed RTL profiling code.
3742 * rtl-profile.c: Remove.
3744 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3746 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3747 magic NULL_RTX comment.
3748 (function_arg): Store entire fp arg to mem if any part should go
3750 (rs6000_arg_partial_bytes): Adjust for above change.
3752 2006-04-11 Roger Sayle <roger@eyesopen.com>
3754 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3755 if it hasn't been initialized by dwarf2out_init.
3757 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3759 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3760 symbolic constants in branch patterns.
3762 2006-04-11 Roger Sayle <roger@eyesopen.com>
3764 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3766 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3768 PR rtl-optimization/27073
3769 * gcse.c (try_replace_reg): Revert last change. Continue to search
3770 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3773 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3775 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3776 aggregate types other than record and union types.
3777 (function_arg): Likewise.
3778 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3780 (function_value): In 64-bit mode, return objects that require it
3783 2006-04-11 Roger Sayle <roger@eyesopen.com>
3785 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3787 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3789 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3791 2006-04-03 Jeff Law <law@redhat.com>
3794 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3795 alias information too.
3797 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3799 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3801 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3804 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3805 (premark_used_types_helper): New.
3806 (premark_used_types): New.
3807 (gen_subprogram_die): Call premark_used_types.
3808 (prune_unused_types_walk): Do not prune perennial dies.
3809 * function.c (used_types_insert): New.
3810 * function.h (struct function): Add used_types_hash field.
3811 (used_types_insert): Add prototype.
3812 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3813 * c-parser.c (c_parser_cast_expression): Save casted types in used
3816 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3819 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3820 rs6000_explicit_options.float_gprs.
3822 2006-04-10 Roger Sayle <roger@eyesopen.com>
3824 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3825 from ix86_expand_vector_init_low_nonzero. Take an additional
3826 one_var argument indicating which element is non-zero. Support
3827 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3828 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3829 with one_var instead of ix86_expand_vector_init_low_nonzero.
3831 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3833 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3834 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3835 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3836 build/genextract.o): Depend on vecprim.h.
3837 * cfglayout.c, df-problems.c, function.c, genextract.c,
3838 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3839 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3843 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3845 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3846 Declare VECs of this type.
3847 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3848 (remove_children): Delete.
3849 (add_dwarf_attr): Use VEC routines.
3850 (add_AT_flag): Update for changes to add_dwarf_attr.
3851 (add_AT_int): Likewise.
3852 (add_AT_unsigned): Likewise.
3853 (add_AT_long_long): Likewise.
3854 (add_AT_vec): Likewise.
3855 (add_AT_string): Likewise.
3856 (add_AT_die_ref): Likewise.
3857 (add_AT_fde_ref): Likewise.
3858 (add_AT_loc): Likewise.
3859 (add_AT_loc_list): Likewise.
3860 (add_AT_addr): Likewise.
3861 (add_AT_lbl_id): Likewise.
3862 (add_AT_lineptr): Likewise.
3863 (add_AT_macptr): Likewise.
3864 (add_AT_offset): Likewise.
3865 (add_AT_range_list): Likewise.
3866 (get_AT): Use VEC_iterate.
3867 (remove_AT): Use VEC_ordered_remove.
3868 (free_die): Fold remove_children into here; have it use VEC_iterate.
3869 (print_die): Use VEC_iterate on attrs.
3870 (reverse_die_lists): Don't reverse attr lists.
3871 (die_checksum): Use VEC_iterate on attrs.
3872 (same_die_p): Likewise.
3873 (output_location_lists): Likewise.
3874 (build_abbrev_table): Likewise.
3875 (size_of_die): Likewise.
3876 (unmark_all_dies): Likewise.
3877 (output_abbrev_section): Likewise.
3878 (output_die): Likewise.
3879 (prune_unused_types_walk_attribs): Likewise.
3881 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3883 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3885 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3888 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3890 2006-04-09 Roger Sayle <roger@eyesopen.com>
3892 * expr.c (store_constructor): Don't bother clearing target if
3893 we're about to assign a vector to it using vec_init_optab.
3895 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3897 * tree-ssa-alias.c (lhs_may_store_to): New function.
3898 (recalculate_used_alone): Handle LHS of calls.
3900 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3904 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3905 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3906 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3907 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3908 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3909 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3910 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3911 stubs. Add ".align 8" directives before all ".dword" directives.
3912 (GTHREAD_USE_WEAK): Revise comment.
3913 (TARGET_ATTRIBUTE_WEAK): Define.
3914 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3915 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3916 * stublib.c: New file.
3921 * pa.md (cbranch patterns): Revise arguments used in calls to
3922 output_cbranch, output_bb and output_bvd. Add long branch length
3924 (fbranch patterns): Handle long branches.
3925 (jump): Revise length check. Revise arguments for output_lbranch call.
3926 Add long branch length attributes.
3927 (decrement_and_branch_until_zero): Add long branch length attributes.
3928 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3929 Likewise. Revise arguments for output_parallel_addb and
3930 output_parallel_movb calls.
3931 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3932 output_parallel_movb and output_parallel_addb): Update prototypes.
3933 * pa.c (output_cbranch): Revise arguments. Correct handling of
3934 nullification in long branches.
3935 (output_lbranch): Add new argument to control extraction of delay
3937 (output_bb): Handle long branches.
3938 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3939 output_parallel_addb): Likewise.
3941 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3943 PR rtl-optimization/27073
3944 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3947 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3949 * tree.h (tree_memory_tag): Add old_used_alone.
3950 (SMT_OLD_USED_ALONE): New macro.
3951 * tree-ssa-alias.c (recalculate_used_alone): Stop
3952 marking things for renaming unnecessarily.
3954 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3956 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3957 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3958 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3959 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3960 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3961 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3962 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3963 spelling convensions.
3964 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3965 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3966 typos. Follow spelling conventions.
3968 2006-04-07 DJ Delorie <dj@redhat.com>
3970 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3971 passed on the stack.
3972 (m32c_init_cumulative_args): When a function returns a structure,
3973 always pass the pointer to that return area on the stack.
3974 (m32c_function_arg_advance): Don't increment the parameter number
3975 if we're processing the returned structure pointer.
3976 (pushm_info): Reverse order of registers.
3978 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3980 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3981 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3982 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3983 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3985 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3986 chrec_fold_multiply): Same.
3987 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3988 force_expr_to_var_cost): Same.
3989 * tree-mudflap.c (mf_xform_derefs_1): Same.
3990 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3992 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3994 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3995 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3998 2006-04-07 Jan Hubicka <jh@suse.cz>
4000 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4002 2006-04-07 Richard Guenther <rguenther@suse.de>
4004 PR tree-optimization/26135
4005 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4006 loads for store copy-prop.
4007 (copy_prop_visit_stmt): Likewise.
4009 2006-04-05 Robert Millan <robertmh@gnu.org>
4011 * config/i386/linux.h: Add a comment to mark macros that are
4012 being overriden in config/k*bsd-gnu.h.
4013 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4015 * config/knetbsd-gnu.h: Ditto.
4017 2006-04-06 Jan Hubicka <jh@suse.cz>
4021 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4024 2006-04-06 Mike Stump <mrs@apple.com>
4026 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4027 for HAVE_nonlocal_goto to be consistent.
4028 (expand_builtin_nonlocal_goto): Likewise.
4029 (expand_builtin_strcmp): Use #ifdef instead of #if
4030 for HAVE_cmpstrnsi to be consistent.
4032 2006-04-05 DJ Delorie <dj@redhat.com>
4034 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4037 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4039 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4040 got-relative addressing for anything but SImode.
4042 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4043 even if the calling function doesn't modify them.
4045 2006-04-05 Richard Guenther <rguenther@suse.de>
4047 PR tree-optimization/26919
4048 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4049 to cgraph_estimate_size_after_inlining.
4051 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4053 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4055 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4057 PR tree-optimization/26996
4058 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4059 VECTOR_TYPE variables.
4061 2006-04-05 Richard Guenther <rguenther@suse.de>
4063 PR tree-optimization/26763
4064 * fold-const.c (fold_comparison): Move folding of
4065 PTR + CST CMP PTR + CST ...
4066 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4068 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4070 * doc/install.texi (Prerequisites): Refine some wording on
4071 bootstrapping and ksh.
4072 Move the version numbers of DejaGnu here from the testing section
4073 and fix casing of names.
4074 Fix markup and clarify wording for autogen requirements.
4075 Refer to GCJ instead of just java.
4076 Refer to SVN instead of CVS.
4077 Describe diffutils as useful instead of necessary.
4078 (Downloading the source): Refer to SVN instead of CVS.
4079 Adjust a link to our web site accordingly.
4080 (Configuration): Fix casing of Bison.
4081 (Building): Refer to SVN instead of CVS.
4082 Fix a sentence on the use of Bison and remove duplicate (and
4083 incorrect) version number of Bison requirement.
4084 Remove one redundant list of packages needed for building.
4085 (Specific): Avoid reference to CVS.
4087 2006-04-04 Eric Christopher <echristo@apple.com>
4089 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4090 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4091 (rs6000_handle_struct_attribute): New.
4092 (rs6000_ms_bitfield_layout_p): Ditto.
4094 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4096 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4097 NULL for dso parameter to atexit_common.
4099 2006-04-04 Eric Christopher <echristo@apple.com>
4101 * config/i386/i386.c (machopic_output_stub): Output \t
4102 between instructions and operands.
4104 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4106 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4107 satisfies_constraint_[IL] to explicit tests on value.
4109 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4111 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4112 set_nb_iterations_in_loop): Use build_int_cst instead of
4114 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4115 build_int_cst instead of convert.
4117 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4119 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4120 new value 2 for incoming.
4121 * function.c (expand_function_start): Call struct_value_rtx
4123 * config/sparc/sparc.md: Comment updated_return.
4124 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4125 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4126 struct return if sparc_std_struct_return and incoming is 2.
4127 (print_operand): Do not adjust return if
4128 sparc_std_struct_return.
4130 2006-04-04 Roger Sayle <roger@eyesopen.com>
4132 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4133 convert in the middle-end.
4134 * expr.c (store_expr, store_constructor, get_inner_reference,
4135 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4137 * tree.c (build_range_type): Likewise.
4139 2006-04-04 Tom Tromey <tromey@redhat.com>
4141 * doc/install.texi (Prerequisites): Mention jar.
4143 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4145 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4148 2006-04-04 Matthias Klose <doko@debian.org>
4150 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4151 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4154 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4156 * doc/extend.texi (Function Attributes): Rewrite visibility
4157 attribute documentation.
4158 * doc/invoke.texi (C++ Dialect Options): Rewrite
4159 -fvisibility-inlines-hidden documentation to describe something
4160 entirely different, although in practise compatible.
4161 (Code Gen Options): Warn about system headers in -fvisibility=
4164 * doc/extend.texi (Other Builtins): Document that
4165 __builtin_nan is a compile-time constant only when its argument
4168 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4170 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4171 trying to remove TRUNCATE check if all bits outside the new mode
4172 are identical to the sign bit.
4174 2006-04-03 Jeff Law <law@redhat.com>
4176 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4177 and operand scanning in some common cases.
4179 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4180 Dale Johannesen <dalej@apple.com>
4183 * regclass.c (struct reg_pref): Update documentation.
4184 (regclass): Set prefclass to NO_REGS if memory is the best option.
4185 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4186 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4187 into account. For non-registers, equate an empty preferred
4188 reload class to a `!' in the constraint; move the if clause to
4189 do so after those that reject the insn.
4190 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4192 (find_dummy_reload): Likewise.
4193 * doc/tm.texi (Register Classes): Document what it means
4194 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4195 * config/i386/i386.c (ix86_preferred_reload_class): Force
4196 using SSE registers (and return NO_REGS for floating-point
4197 constants) if math is done with SSE.
4198 (ix86_preferred_output_reload_class): New.
4199 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4200 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4201 * config/i386/i386.md: Remove # register preferences.
4203 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4206 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4207 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4208 the type of nb_iter.
4209 (instantiate_parameters_1): Convert the operands before calling
4210 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4211 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4213 2006-04-02 Roger Sayle <roger@eyesopen.com>
4215 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4216 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4218 * dojump.c (do_jump): Likewise.
4219 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4220 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4221 gimplify_boolean_expr): Likewise.
4222 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4223 * varasm.c (array_size_for_constructor): Likewise.
4224 * tree-object-size.c (compute_object_offset): Likewise.
4226 2006-04-02 Roger Sayle <roger@eyesopen.com>
4229 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4230 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4232 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4234 PR tree-optimization/26939
4235 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4237 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4239 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4240 at_stmt. Convert the type of operands before calling
4241 build_polynomial_chrec.
4242 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4244 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4245 (instantiate_parameters_1): Convert the type of operands before calling
4246 build_polynomial_chrec.
4247 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4248 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4249 reset_evolution_in_loop): Insert asserts to check the types of the
4251 (chrec_type): Moved...
4252 (eq_evolutions_p): Use operand_equal_p.
4253 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4254 the types of the operands.
4255 (chrec_type): ...here.
4256 * tree-data-ref.c (create_data_ref): Convert the operands before
4257 calling chrec_replace_initial_condition.
4258 (same_access_functions, analyze_subscript_affine_affine,
4259 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4260 (compute_subscript_distance, analyze_ziv_subscript,
4261 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4262 analyze_miv_subscript): Convert the operands before calling
4263 chrec_fold_minus or chrec_fold_plus.
4265 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4267 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4268 the dependence_relations vector.
4269 (compute_data_dependences_for_loop): Adjust call to
4270 compute_all_dependences.
4272 2006-04-01 Roger Sayle <roger@eyesopen.com>
4273 Richard Henderson <rth@redhat.com>
4275 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4276 gimple_boolify on the condition before calling gimplify_expr.
4278 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4280 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4281 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4282 the frame size. Update to use the new macros.
4283 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4284 * config/xtensa/ieee754-df.S: Likewise.
4286 2006-03-31 Richard Henderson <rth@redhat.com>
4288 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4289 (make_edges): ... here. Control fallthru creation with a local
4290 variable. Do not play with fake edges.
4291 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4292 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4295 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4297 * dwarf2.h (DW64_CIE_ID): Define.
4298 * dwarf2out.c (DWARF_CIE_ID): Define.
4299 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4300 length header. Use DWARF_CIE_ID.
4301 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4302 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4304 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4306 * config/sh/linux-atomic.asm: New file.
4307 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4309 2006-03-31 DJ Delorie <dj@redhat.com>
4311 * config/m32c/cond.md: Set condition flags properly throughout.
4312 * config/m32c/minmax.md: Likewise.
4313 * config/m32c/prologue.md: Likewise.
4314 * config/m32c/bitops.md: Likewise.
4315 * config/m32c/muldiv.md: Likewise.
4316 * config/m32c/mov.md: Likewise.
4317 * config/m32c/addsub.md: Likewise.
4318 * config/m32c/m32c.md: Likewise.
4319 * config/m32c/jump.md: Likewise.
4320 * config/m32c/shift.md: Likewise.
4322 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4323 conditionally output the pattern for this.
4324 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4325 (m32c_compare_redundant): New.
4326 (m32c_output_compare): New.
4327 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4329 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4330 dest, not src. Allow other 4-byte modes.
4332 2006-03-30 Denis Chertykov <denisc@overta.ru>
4334 * doc/md.texi: Refer to avr/constraints.md instead of
4337 2006-03-30 Roger Sayle <roger@eyesopen.com>
4339 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4340 signed vs. unsigned comparison failures on some hosts.
4342 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4345 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4346 change to FLOAT_REGS.
4348 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4349 (rs6000_override_options): Use it.
4350 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4351 only for -mabi=spe/no-spe and -mabi=altivec.
4353 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4355 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4358 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4360 * Makefile.in: Rename docdir to gcc_docdir.
4362 2006-03-30 Roger Sayle <roger@eyesopen.com>
4365 * expr.c (emit_group_store): Optimize group stores into a pseudo
4366 register by using a paradoxical subreg to initialize the destination
4367 if the first or last member of the group specifies a "low part".
4369 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4372 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4373 * target.h (struct gcc_target.speculate_insn): Change type of the
4374 second parameter to 'int'.
4375 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4376 the second operand of the DEPS_LIST.
4377 (copy_DEPS_LIST_list): Update reference to the second operand of the
4379 * rtl.h (alloc_DEPS_LIST): Update signature.
4380 * sched-int.h (ds_t): Change typedef to 'int'.
4381 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4383 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4385 * haifa-sched.c (try_ready): Change condition to restore
4386 non-speculative pattern of the instruction.
4387 (process_insn_depend_be_in_spec): Code to keep probability of the
4388 speculative dependence non-decreasing.
4390 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4392 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4393 (single_move_for_movmem): ... this. Also change all uses.
4394 (bfin_expand_strmov): Renamed to...
4395 (bfin_expand_movmem): ... this. Also change all uses.
4396 * config/bfin/bfin.md (movstrsi): Renamed to...
4397 (movstrsi): ...this.
4399 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4401 PR tree-optimization/26830
4403 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4404 (copy_prop_visit_stmt): Remove write-only variable ann.
4405 (init_copy_prop): Check variable loop depth here. Do not simulate
4406 memory-tag and virtual operand PHIs except for store copy prop.
4408 2006-03-30 Richard Guenther <rguenther@suse.de>
4410 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4411 variants with double arguments.
4413 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4415 * genpreds.c (write_tm_constrs_h): Delete variable p.
4416 * genconditions.c (write_header): Add tm-constrs.h to included
4418 * genpeep.c (main): Add toplev.h to included headers.
4419 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4420 (build/genpeep.o): Add toplev.h dependency.
4421 * config/rs6000/constraints.md: Add "W" constraint.
4423 2006-03-29 Roger Sayle <roger@eyesopen.com>
4425 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4426 sizes by correctly testing whether the size fits a host integer.
4427 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4428 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4429 SImode range for the default sizetype and bitsizetype.
4431 2006-03-29 Roger Sayle <roger@eyesopen.com>
4433 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4434 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4435 quickly if the argument is already of the correct type.
4436 Call fold_build1 instead of build1. Tidy up blank lines.
4438 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4440 * genemit.c (main): Add tm-constrs.h to included headers.
4441 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4442 * genpeep.c (main): Add tm-constrs.h to included headers.
4443 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4444 (write_tm_constrs_h): this and write complete file.
4445 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4446 (write_insn_preds_c): Add tm-constrs.h to included headers.
4447 (gen_constrs): New variable.
4448 (parse_option): Parse "-c".
4449 (main): Invoke write_tm_constrs_h.
4450 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4451 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4452 (object_out_file): Add tm-constrs.h dependency.
4453 (insn-emit.o): Same.
4454 (insn-output.o): Same.
4455 (insn-peep.o): Same.
4456 (insn-preds.o): Same.
4457 (insn-recog.o): Same.
4458 (tm-constsr.h): New target.
4459 (s-constrs-h): New target.
4461 * config/rs6000/constraints.md: New file.
4462 * config/rs6000/rs6000.c: Include tm-constrs.h.
4463 (num_insn_constant_wide): Convert to satisfies_constraint.
4464 (rs6000_rtx_costs): Convert to satisfies_constraint.
4465 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4466 (CONST_OK_FOR_LETTER_P): Delete.
4467 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4468 (EXTRA_CONSTRAINT): Delete.
4469 (EXTRA_MEMORY_CONSTRAINT): Delete.
4470 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4471 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4472 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4473 satisfies_constraint.
4475 * config/i386/i386.c: Include tm-constrs.h.
4477 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4479 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4480 * tree-data-ref.c (find_data_references_in_loop,
4481 compute_data_dependences_for_loop): Use pointers to VEC.
4482 (analyze_all_data_dependences): Adjust calls.
4483 * tree-data-ref.h (find_data_references_in_loop,
4484 compute_data_dependences_for_loop): Adjust declarations.
4485 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4486 compute_data_dependences_for_loop.
4488 2006-03-29 Paul Brook <paul@codesourcery.com>
4490 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4493 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4495 PR tree-optimization/26859
4496 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4498 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4499 for the step after fold_convert.
4501 2006-03-29 Paul Brook <paul@codesourcery.com>
4503 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4504 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4506 2006-03-29 Paul Brook <paul@codesourcery.com>
4509 * targhooks.c (default_narrow_bitfield): New fuction.
4510 * targhooks.h (default_narrow_bitfield): add prototype.
4511 * target.h (gcc_target): Add narrow_volatile_bitfield.
4512 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4513 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4514 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4515 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4517 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4519 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4521 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4522 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4523 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4524 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4525 (s390_function_arg_float): Allow SDmode and DDmode values to be
4526 passed in floating point registers.
4527 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4528 check with SCALAR_FLOAT_MODE_P.
4529 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4531 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4533 PR tree-optimization/25985
4534 * tree-ssa-loop-niter.c (number_of_iterations_le,
4535 number_of_iterations_ne): Make comments more precise.
4536 (number_of_iterations_cond): Add only_exit argument. Use the
4537 fact that signed variables do not overflow only when only_exit
4539 (loop_only_exit_p): New.
4540 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4541 number_of_iterations_cond.
4543 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4545 PR tree-optimization/26643
4546 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4549 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4551 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4552 (divsi3_i4_int): Likewise.
4554 2006-03-28 Roger Sayle <roger@eyesopen.com>
4556 * expr.c (emit_group_store): Only create a new pseudo reg if the
4557 quantity it needs to hold isn't already a suitable pseudo.
4559 2006-03-28 Jeff Law <law@redhat.com>
4561 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4562 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4564 2006-03-28 Roger Sayle <roger@eyesopen.com>
4566 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4567 the equivalent ~X & Y, and the symmetry related transformations.
4568 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4569 ~X & Y, and symmetry related transforms.
4571 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4573 Revert my 2006-03-27 patches.
4575 2006-03-28 Roger Sayle <roger@eyesopen.com>
4577 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4578 ~(T1)X, when T1 and T2 are integer types of the same precision
4579 and (T2)X isn't an extension.
4581 2006-03-28 Jeff Law <law@redhat.com>
4583 PR tree-optimization/26796
4584 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4585 need EH edge cleanups rather than purging them immediately.
4586 (eliminate_degenerate_phis): Handle queued EH cleanups.
4588 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4590 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4593 2006-03-27 Roger Sayle <roger@eyesopen.com>
4596 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4597 cast BIT_NOT_EXPR operand to the correct type.
4599 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4601 * tree-loop-linear.c: Don't include varray.h.
4602 (gather_interchange_stats, try_interchange_loops,
4603 linear_transform_loops): Use VEC instead of VARRAY.
4604 * lambda-mat.c: Don't include varray.h.
4605 * tree-chrec.c: Same.
4606 * lambda-trans.c: Same.
4607 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4608 VEC instead of VARRAY.
4609 * tree-vectorizer.h: Idem.
4610 * tree-data-ref.c (dump_data_references,
4611 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4612 initialize_data_dependence_relation, finalize_ddr_dependent,
4613 compute_all_dependences, find_data_references_in_loop,
4614 compute_data_dependences_for_loop, analyze_all_data_dependences,
4615 free_dependence_relation, free_dependence_relations,
4616 free_data_refs): Idem.
4617 * tree-data-ref.h (data_reference_p, subscript_p): New.
4618 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4619 VEC instead of VARRAY.
4620 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4621 (find_data_references_in_loop, compute_data_dependences_for_loop,
4622 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4623 dump_data_dependence_relations, free_dependence_relations,
4624 free_data_refs): Adjust declaration.
4625 (lambda_transform_legal_p): Move declaration here...
4626 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4627 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4628 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4629 vect_analyze_data_refs): Use VEC instead of VARRAY.
4630 * lambda.h (lambda_transform_legal_p): ...from here.
4631 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4632 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4633 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4634 tree-chrec.o): Don't depend on VARRAY_H.
4636 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4638 * rtl.def (Copyright): Update date.
4639 (DEPS_LIST): Change type of the second operand to 'int'.
4640 * target.h (Copyright): Update date.
4641 (struct gcc_target.speculate_insn): Change type of the second parameter
4643 * lists.c (Copyright): Update date.
4644 (alloc_DEPS_LIST): Change signature. Update reference to the second
4645 operand of the DEPS_LIST.
4646 (copy_DEPS_LIST_list): Update reference to the second operand of the
4648 * rtl.h (Copyright): Update date.
4649 (alloc_DEPS_LIST): Update signature.
4650 * sched-int.h (Copyright): Update date.
4651 (ds_t): Change typedef to 'int'.
4652 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4654 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4656 * haifa-sched.c (Copyright): Update date.
4657 (try_ready): Change condition to restore non-speculative pattern
4659 (process_insn_depend_be_in_spec): Code to keep probability of the
4660 speculative dependence non-decreasing.
4662 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4664 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4665 shut up the compiler.
4667 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4669 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4670 to use lib prefix for target.
4671 ($(T)libic_invalidate_array_4-200.a): Likewise.
4672 ($(T)libic_invalidate_array_4a.a): Likewise.
4674 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4675 J"orn Rennecke <joern.rennecke@st.com>
4677 * superh.opt: New file.
4678 * sh.c (boardtype, osruntime): Remove.
4679 * superh.h (SUBTARGET_OPTIONS): Remove.
4680 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4682 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4683 arguments with ^ and/or [].
4685 * config.gcc (sh-*-*): Add quoting to account for quirk of
4687 Replace == with = in enable_incomplete_targets test.
4689 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4690 with MASK_LITTLE_ENDIAN.
4692 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4693 * config/sh/sh.opt: Added to some comments.
4694 * config/sh/superh.h: Removed some chaff.
4696 * config/sh/sh.opt: Add m4-[1234]00* options.
4697 * config/sh/sh.c (sh_handle_option): Likewise.
4698 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4699 (ic_invalidate_array_4-100.o): New rule.
4700 ($(T)libic_invalidate_array_4-100.a): Likewise.
4701 (ic_invalidate_array_4-200.o): Likewise.
4702 ($(T)libic_invalidate_array_4-200.a): Likewise.
4703 (ic_invalidate_array_4a.o): Likewise.
4704 ($(T)libic_invalidate_array_4a.a): Likewise.
4705 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4706 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4708 * config/sh/crt1.asm: Merged in profiling code.
4709 * config/sh/superh.h (STARTFILE_SPEC): Override.
4710 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4711 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4712 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4714 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4715 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4716 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4718 * sh.opt (mpretend-cmove): New option.
4719 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4720 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4721 (movsicc): Add TARGET_PRETEND_CMOVE code.
4723 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4725 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4726 s390_class_max_nregs): New function prototypes.
4727 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4728 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4729 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4730 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4732 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4734 * dwarf2out.c (add_location_or_const_value_attribute): Call
4735 tree_add_const_value_attribute if nothing else works.
4736 (reference_to_unused): New.
4737 (rtl_for_decl_init): Use reference_to_unused to decide whether
4738 to output an initializer.
4740 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4743 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4744 peephole removing spe frob_di_df_2.
4746 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4748 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4749 (subscript_dependence_tester_1): Declared.
4750 (print_dir_vectors, print_dist_vectors): New.
4751 (debug_data_dependence_relation): New.
4752 (dump_data_dependence_relation): Print more details.
4753 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4754 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4755 (save_dist_v, save_dir_v, add_outer_distances,
4756 build_classic_dist_vector_1): New.
4757 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4758 Don't test for lambda_vector_lexico_pos.
4759 (same_access_functions, add_multivariate_self_dist,
4760 add_other_self_distances, dir_from_dist): New.
4761 (build_classic_dir_vector): Replace implementation almost identical to
4762 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4764 (subscript_dependence_tester_1): New.
4765 (subscript_dependence_tester): Handle the lexicographically negative
4766 distance vectors by recomputing the dependence relation.
4767 (compute_affine_dependence): Remove parameter loop_nest_depth.
4768 (compute_self_dependence): Don't call compute_subscript_distance.
4769 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4770 Add a parameter for the loop_nest.
4771 (find_loop_nest_1, find_loop_nest): New.
4772 (compute_data_dependences_for_loop): Compute the loop nest, and give
4773 up if the nest is not well formed.
4774 * tree-data-ref.h (loop_p): New.
4775 (struct data_dependence_relation): Replace size_vect field with
4776 loop_nest, a vec of loops.
4777 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4778 (DDR_LOOP_NEST): New.
4779 (print_dir_vectors, print_dist_vectors,
4780 debug_data_dependence_relation): Declared.
4781 (index_in_loop_nest): New.
4782 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4783 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4786 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4788 * simplify-rtx.c (simplify_relational_operation): Call
4789 simplify_relational_operation_1 even if mode is VOIDmode.
4791 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4793 PR tree-optimization/26804
4794 * tree.h (DECL_CALL_CLOBBERED): New macro.
4795 (tree_decl_common): Add call_clobbered_flag.
4796 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4797 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4798 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4799 (mark_non_addressable): Ditto.
4800 * tree-ssa.c (verify_call_clobbered): New function.
4801 (verify_alias_info): Use it.
4802 * tree-pass.h (pass_reset_cc_flags): New prototype.
4803 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4804 (reset_cc_flags): New function.
4805 * passes.c (init_optimization_passes): Call reset_cc_flags after
4806 initializing referenced_vars.
4808 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4809 Roger Sayle <roger@eyesopen.com>
4812 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4813 to 1.0 for non-real operands. Implement A / A optimization for
4816 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4818 * config/i386/i386.c (size_cost): Correct the comment for
4819 cost of storing fp registers.
4820 (i386_cost): Likewise.
4821 (i486_cost): Likewise.
4822 (pentium_cost): Likewise.
4823 (pentiumpro_cost): Likewise.
4824 (k6_cost): Likewise.
4825 (athlon_cost): Likewise.
4826 (k8_cost): Likewise.
4827 (pentium4_cost): Likewise.
4828 (nocona_cost): Likewise.
4829 (generic64_cost): Likewise.
4830 (generic32_cost): Likewise.
4832 2006-03-24 Denis Chertykov <denisc@overta.ru>
4834 * config/avr/avr-protos.h (extra_constraint): Delete.
4835 (extra_constraint_Q): New declaration.
4836 * config/avr/constraints.md: New file.
4837 * config/avr/avr.md: Include it.
4838 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4839 (TMP_REGNO, ZERO_REGNO): Likewise.
4840 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4841 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4842 (extra_constraint): Delete.
4843 (extra_constraint_Q): Test for memory constraint 'Q'.
4844 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4845 (REG_CLASS_FROM_LETTER): Delete.
4846 (CONST_OK_FOR_LETTER_P): Delete.
4847 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4848 (EXTRA_CONSTRAINT): Delete.
4849 (TMP_REGNO): Delete.
4850 (ZERO_REGNO): Delete.
4852 2006-03-24 Jeff Law <law@redhat.com>
4854 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4855 directly. Call mark_new_vars_to_rename slightly earlier.
4857 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4859 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4861 (gen_compile_unit_die): Use new language types for Objective-C and
4863 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4864 DW_LANG_C_plus_plus.
4867 * config/t-darwin (crt3.o): Work around bug 26840.
4868 * config/darwin-crt3.c: Rewrite.
4869 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4871 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4873 * doc/invoke.texi: Document -femit-class-debug-always
4874 * common.opt: Add -femit-class-debug-always.
4876 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4878 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4879 index and base register.
4880 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4881 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4882 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4883 REGNO_OK_FOR_INDEX_P.
4884 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4886 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4887 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4888 REG_OK_FOR_BASE_P): Definitions removed.
4890 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4893 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4894 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4895 set yet or weren't marked as local yet.
4897 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4899 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4902 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4904 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4905 (rs6000_legitimate_small_data_p): Delete.
4906 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4907 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4908 and make static. Add forward declaration. Update uses.
4909 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4910 of offsettable_memref_p.
4911 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4912 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4914 2006-03-24 Jeff Law <law@redhat.com>
4916 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4917 around bug in immediate-use iterator.
4919 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4922 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4923 or __LITTLE_ENDIAN__.
4925 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4927 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4928 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4929 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4930 * config/sh/sh.opt (mdiv=): Amend description.
4931 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4932 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4933 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4934 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4935 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4936 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4937 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4938 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4939 TARGET_DIVIDE_CALL_FP.
4941 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4943 * haifa-sched.c (choose_ready): Fix type of the local variable.
4944 Move local variables. Add comment.
4945 (check_reg_live): Change signature. Make callable from debugger.
4946 * sched-int.h (check_reg_live): Update signature.
4947 * sched-ebb.c (check_reg_live): Update parameters.
4948 * sched-rgn.c (check_reg_live): Ditto.
4949 (region_head_or_leaf_p): Check pointer before dereferencing.
4950 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4951 before reload on optimization levels below 1.
4953 2006-03-23 Richard Henderson <rth@redhat.com>
4955 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4959 * config/alpha/predicates.md (local_symbolic_operand): Reject
4962 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4965 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4966 expressions which have overflowed constants.
4968 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4970 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4972 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4974 * cfgloopmanip.c (create_loop_notes): Removed.
4975 * final.c (final_scan_insn): Do not handle loop notes.
4976 * jump.c (squeeze_notes): Ditto.
4977 * cfglayout.c (skip_insns_after_block,
4978 duplicate_insn_chain): Ditto.
4979 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4981 * cfgloop.h (create_loop_notes): Declaration removed.
4983 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4985 * varasm.c (output_constant_pool): Restore fnname and fndecl
4987 (assemble_start_function): Adjust call accordingly.
4988 (assemble_end_function): Likewise.
4990 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4993 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4996 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4998 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5001 * system.h (ICE_EXIT_CODE): New macro.
5002 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5003 (diagnostic_action_after_output): Likewise.
5004 * gcc.c (fatal_ice): New function.
5005 (execute): Use it instead of fatal.
5006 (fancy_abort): Likewise.
5007 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5009 2006-03-22 Jeff Law <law@redhat.com>
5011 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5012 iv_analyze_result returning false.
5014 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5016 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5018 2006-03-22 Richard Henderson <rth@redhat.com>
5021 * except.c (duplicate_eh_regions_0): New.
5022 (duplicate_eh_region_1): Duplicate the children of the node as
5023 well as the node itself. Link them up properly.
5024 (duplicate_eh_region_2): Merge into ...
5025 (duplicate_eh_regions): ... here. Take copy_region argument, and
5026 copy only a sub-tree if asked. Simplify copying and fixup.
5027 (eh_region_outer_p): New.
5028 * except.h (duplicate_eh_regions): Update decl.
5029 (eh_region_outer_p): Declare.
5030 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5031 (lower_omp_master): Likewise.
5032 (lower_omp_ordered): Likewise.
5033 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5034 (move_stmt_r): Use it to remap labels. Handle recursion vs
5035 remap_decls_p properly.
5036 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5037 (find_outermost_region_in_block): New.
5038 (new_label_mapper): New.
5039 (move_sese_region_to_fn): Copy eh information to the new function
5041 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5043 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5046 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5048 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5049 into shared libraries.
5051 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5053 * doc/md.texi: Refer to i386/constraints.md instead of
5055 * config/i386/constraints.md: New file, extracted from...
5056 * config/i386/predicates.md: ...here.
5057 * config/i386/i386.md: Include constraints.md.
5059 2006-03-21 Jason Merrill <jason@redhat.com>
5061 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5064 * expr.c (init_block_move_fn): Force default visibility.
5065 (init_block_clear_fn): Likewise.
5066 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5067 * targhooks.c (default_external_stack_protect_fail): Likewise.
5069 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5071 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5072 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5073 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5074 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5075 (loadgp): Use mips_current_loadgp_style.
5076 (loadgp_noshared): New pattern.
5077 (sibcall_internal): Use MIPS_CALL.
5078 (sibcall_value_internal): Likewise.
5079 (sibcall_value_multiple_internal): Likewise.
5080 (call_internal): Likewise.
5081 (call_value_internal): Likewise.
5082 (call_value_multiple_internal): Likewise.
5083 (call_split): Use MIPS_CALL and add an 'S' constraint.
5084 (call_value_split): Likewise.
5085 (call_value_multiple_split): Likewise.
5086 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5087 (-mshared): New option.
5088 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5089 (mips_current_loadgp_style): Declare.
5090 * config/mips/mips.c (mips_classify_symbol): Avoid using
5091 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5092 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5093 TARGET_ABSOLUTE_ABICALLS.
5094 (override_options): Adjust comments. Improve the warning that is
5095 issued when -mabicalls and -G are used together.
5096 (mips_file_start): Remove comment.
5097 (mips_current_loadgp_style): New function.
5098 (mips_gnu_local_gp): New variable.
5099 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5101 (mips_output_function_prologue): Use mips_current_laodgp_style.
5102 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5103 the cprestore instruction.
5104 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5105 live for TARGET_ABSOLUTE_ABICALLS.
5106 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5107 (ASM_SPEC): Pass down -mshared and -mno-shared.
5108 (MIPS_CALL): New macro.
5109 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5111 * doc/invoke.texi (-mabicalls): Update documentation.
5112 (-mshared): Document.
5114 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5116 * config/ia64/unwind-hpux.c: New file.
5117 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5119 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5122 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5124 2006-03-21 Jeff Law <law@redhat.com>
5126 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5127 type conversions of a VR_VARYING source to a wider type.
5129 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5131 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5132 tm_file on Solaris 10 and later.
5133 (sparc64-*-solaris2*): Likewise.
5134 (sparc-*-solaris2*): Likewise.
5135 * config/sol26.h: Rename to config/sol2-6.h.
5136 * config/sol2-10.h: New file.
5138 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5141 * tree-ssa-pre.c (create_component_ref_by_pieces):
5144 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5147 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5148 return it immediately.
5150 2006-03-21 Michael Matz <matz@suse.de>
5152 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5154 (remove_arc, add_arc): Update num_out_arcs member.
5155 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5157 (cache_presence): New function.
5158 (compare_states_for_equiv): New function.
5159 (state_is_differed): Don't take number of outargs, adjust callers.
5160 Use new invariant for speeding up.
5161 (init_equiv_class): Create initial classes based on sorted
5163 (partition_equiv_class): Don't track out_arcs_num.
5164 (evaluate_equiv_classes): Call cache_presence on all states and
5167 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5169 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5170 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5171 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5172 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5174 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5175 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5176 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5177 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5178 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5180 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5181 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5182 (REGNO_REG_CLASS): ARGP is in PREGS.
5183 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5185 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5186 to deal with those addresses.
5187 * addresses.h: New file.
5188 * caller-save.c: Include "addresses.h".
5189 (init_caller_save): Use new base_reg_class function.
5190 * rtl-factoring.c: Include "addresses.h".
5191 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5192 * recog.c: Include "addresses.h".
5193 (preprocess_constraints): Use new base_reg_class function.
5194 * regrename.c: Include "addresses.h".
5195 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5196 functions. Keep track of a new var INDEX_CODE to compute valid
5198 (replace_oldest_value_addr): Likewise.
5199 (replace_oldest_value_mem): Use base_reg_class.
5200 * reload.c: Include "addresses.h".
5201 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5202 (find_reloads): Use new base_reg_class function.
5203 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5204 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5205 all callers and prototype changed.
5206 * reload1.c: Include "addresses.h".
5207 (maybe_fix_stack_asms): Use base_reg_class.
5208 * regclass.c: Include "addresses.h".
5209 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5210 (init_reg_autoinc): Use new base_reg_class function.
5211 (record_reg_classes): Likewise.
5212 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5213 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5214 Use new args to compute necessary class.
5216 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5217 regrename.o, rtl-factoring.o): Update dependencies.
5218 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5219 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5220 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5221 REG_OK_FOR_INDEX_P): Delete documentation.
5223 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5225 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5226 from V7 to V9 for Solaris 7 and above.
5228 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5230 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5231 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5232 argument pointers may not alias any other storage.
5233 * common.opt: Define option -fargument-noalias-anything.
5234 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5235 alias semantics is specified by flag_argument_noalias > 2.
5237 2006-03-20 Jeff Law <law@redhat.com>
5239 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5240 (pass_phi_only_cprop): Declare.
5241 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5243 * tree-ssa-dom.c (degenerate_phi_result): New function.
5244 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5245 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5246 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5247 (eliminate_degenerate_phis): Likewise.
5248 (pass_phi_only_cprop): New pass descriptor.
5249 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5250 support code. Callers updated.
5251 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5252 (store_copy_prop): Likewise.
5253 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5255 2006-03-20 Jason Merrill <jason@redhat.com>
5258 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5259 (push_visibility, pop_visibility): Likewise.
5260 * c-pragma.h: Declare them.
5262 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5264 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5266 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5267 parameter and use get_ebb_head_tail.
5268 (sh_md_init_global): Adjust uses of find_regmode_weight.
5270 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5272 * function.h (struct function) <x_tail_recursion_reentry>:
5273 Rename to x_stack_check_probe_note.
5274 (tail_recursion_reentry): Rename to stack_check_probe_note.
5275 * function.c: Replace tail_recursion_reentry with
5276 stack_check_probe_note everywhere.
5277 (expand_function_start): Only emit a note for
5278 stack_check_probe_note with -fstack-protect.
5279 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5281 * emit-rtl.c (remove_unnecessary_notes): Remove.
5282 (pass_remove_unnecessary_notes): Remove.
5283 * rtl.h (remove_unnecessary_notes): Remove prototype.
5284 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5285 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5286 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5288 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5291 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5292 (valid_in_set): Handle ARRAY_REF.
5293 Change "if min_variant or VH" to asserts.
5294 (create_component_ref_by_pieces): Handle ARRAY_REF.
5295 (create_expression_by_pieces): Likewise.
5296 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5298 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5300 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5301 is operand of switch, not str[0].
5303 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5305 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5306 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5308 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5310 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5311 end of insn_extra_address_constraint declaration.
5313 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5315 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5316 (no-sum-in-toc): Same.
5317 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5319 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5320 NO_FP_IN_TOC for -fPIC instead of mask.
5322 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5323 (BOOT_LDFLAGS): Delete.
5325 * config/rs6000/t-aix52: Same.
5327 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5328 (stmsi[345678]_power): New.
5330 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5332 * config/ia64/ia64.opt: Add empty line to end of file.
5334 2006-03-17 Richard Guenther <rguenther@suse.de>
5337 * builtins.c (get_pointer_alignment): For component style references
5338 adjust alignment to the component type alignment. Make sure
5339 to adjust alignment for component access of constants.
5341 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5343 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5346 2006-03-17 Paul Brook <paul@codesourcery.com>
5348 * doc/install.texi: Docuemnt --with-mode.
5349 * config.gcc: Add --with-mode for arm*-*-*.
5350 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5352 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5354 * sh.c (max_labelno_before_reorg): New variable.
5355 (sh_reorg): Initialize it.
5356 (find_barrier): Check max_labelno_before_reorg before using
5357 label_to_alignment. Take length of explicit alignment insns
5358 into account. When seeing a UNSPECV_CONST_END, return it.
5360 * sh.c (fixup_mova): Set mode of affected label to QImode.
5361 (untangle_mova): New function.
5362 (find_barrier): Use it. Check mode of label before decrementing
5364 (sh_reorg): Likewise.
5365 Set mode of all insns back to VOIDmode.
5367 * sh.c (MOVA_LABELREF): New macro.
5368 (mova_p, fixup_mova, sh_reorg): Use it.
5369 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5370 ADDR_DIFF_VEC matches mova.
5372 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5374 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5375 with ATTRIBUTE_UNUSED.
5377 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5379 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5380 pointer, instead of assuming it is possible to derive the
5381 correct args size from a call insn.
5383 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5385 * rtl.h (CONST_INT_P): Define.
5386 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5387 instead of GET_CODE(x) == CONST_INT.
5388 (vax_rtx_costs): Likewise.
5389 (vax_output_int_move): Likewise.
5390 (vax_output_int_add): Likewise.
5391 (legitimate_constant_address_p): Likewise.
5392 (index_term_p): Likewise.
5393 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5394 * config/vax/vax.md (and<mode>3): Likewise.
5395 (ashrsi3): Likewise.
5397 (movstricthi): Likewise.
5398 (movstrictqi): Likewise.
5399 (rotrsi3): Likewise.
5400 (five unnamed insns): Likewise.
5402 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5404 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5405 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5406 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5407 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5408 Pass to ASM_OUTPUT_DWARF_OFFSET.
5409 * dwarf2out.c (debug_frame_section): New.
5410 (output_call_frame_info): Use debug_frame_section. Pass it to
5411 dw2_asm_output_offset.
5412 (output_die): Pass appropriate section to dw2_asm_output_offset.
5413 (output_compilation_unit_header): Likewise.
5414 (output_pubnames): Likewise.
5415 (output_aranges): Likewise.
5416 (enum dw_val_class): Break dw_val_class_lbl_offset into
5417 dw_val_class_lineptr and dw_val_class_macptr.
5418 (add_AT_lbl_offset): Delete.
5419 (add_AT_lineptr): New.
5420 (add_AT_macptr): New.
5421 (AT_lbl): Expect a lineptr or macptr.
5422 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5423 (attr_checksum): Likewise.
5424 (same_dw_val_p): Likewise.
5425 (size_of_die): Likewise.
5426 (value_format): Likewise.
5427 (output_die): Likewise.
5428 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5430 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5431 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5432 * config/darwin-protos.h (darwin_file_start): New.
5433 (darwin_asm_output_dwarf_offset): New.
5434 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5435 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5437 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5438 if not EH section; simplify.
5439 (darwin_file_start): New.
5440 (darwin_asm_output_dwarf_offset): New.
5441 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5443 (DEBUG_INFO_SECTION): Likewise.
5444 (DEBUG_ABBREV_SECTION): Likewise.
5445 (DEBUG_ARANGES_SECTION): Likewise.
5446 (DEBUG_MACINFO_SECTION): Likewise.
5447 (DEBUG_LINE_SECTION): Likewise.
5448 (DEBUG_LOC_SECTION): Likewise.
5449 (DEBUG_PUBNAMES_SECTION): Likewise.
5450 (DEBUG_STR_SECTION): Likewise.
5451 (DEBUG_RANGES_SECTION): Likewise.
5452 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5453 (ASM_OUTPUT_DWARF_OFFSET): New.
5455 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5457 * config.gcc (tm_defines): Always add to previous value rather
5460 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5462 * config/mips/predicates.md (splittable_const_int_operand): New,
5463 split from move_operand.
5464 (splittable_symbolic_operand): New.
5465 (move_operand): Add commentary. Use splittable_const_int_operand.
5466 Inline mips_atomic_symbolic_constant_p.
5467 * config/mips/mips.md: Add combine splitters for handling moves
5468 of splittable_const_int_operands and splittable_symbolic_operands.
5469 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5470 (mips_split_symbol): Declare.
5471 (mips_move_integer): Declare.
5472 * config/mips/mips.c (mips_split_p): Make global.
5473 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5474 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5475 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5476 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5477 (mips_offset_within_object_p): Handle block symbols.
5478 (mips_atomic_symbolic_constant_p): Delete.
5479 (mips_cannot_force_const_mem): Return false for constants that
5480 mips_legitimize_move can handle.
5481 (mips_use_blocks_for_constant_p): New function.
5482 (mips_split_symbol): Make global.
5483 (mips_move_integer): Likewise. Add a temporary register argument.
5484 (mips_legitimize_const_move): Use splittable_const_int_operand and
5485 splittable_symbolic_operand.
5486 (mips_use_anchors_for_symbol_p): New function.
5487 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5488 (mips_split_p): Declare.
5490 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5492 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5493 (mips*-*-linux*): Likewise.
5495 2006-03-16 Roger Sayle <roger@eyesopen.com>
5496 Daniel Speyer <dspeyer@wam.umd.edu>
5499 * tree-dump.c (dump_real): New function.
5500 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5501 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5502 (tree-dump.o): Add $(REAL_H) to the dependencies.
5504 2006-03-16 Roger Sayle <roger@eyesopen.com>
5507 * real.c (real_from_string): If the mantissa is zero, don't bother
5508 parsing the exponent as the result should always be zero.
5510 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5512 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5514 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5516 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5517 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5518 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5519 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5520 ia64_sched_finish_global): New static functions to implement
5521 hooks from gcc_target.sched.
5522 (spec_check_no, max_uid, pending_data_specs): New static variables.
5523 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5524 ia64_spec_check_src_p): New static functions.
5525 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5526 (TARGET_SCHED_ADJUST_COST): Removed.
5527 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5528 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5529 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5530 TARGET_SCHED_GEN_CHECK,
5531 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5532 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5533 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5534 Fixed to handle speculation checks.
5535 (rtx_needs_barrier): Fixed to handle speculative loads and
5537 (ia64_variable_issue): Added code to count speculative loads and their
5539 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5541 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5543 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5545 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5546 (ia64_reorg): Reset stops_p to NULL after it is freed.
5547 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5548 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5549 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5551 (data_speculative, control_speculative, check_load): New attributes.
5552 (mov<mode>_advanced, mov<mode>_speculative,
5553 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5554 zero_extend<mode>di2_speculative,
5555 zero_extend<mode>di2_speculative_advanced): New patterns for
5556 data and control speculative loads.
5557 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5559 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5560 New pattern for data and control speculation checks.
5561 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5562 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5563 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5564 Auxiliary definitions for the patterns.
5565 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5566 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5568 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5570 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5571 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5572 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5573 New resource constraints.
5574 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5576 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5577 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5578 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5579 msched-in-control-spec, msched-ldc, msched-control-ldc,
5580 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5581 msched-prefer-non-control-spec-insns,
5582 msched-count-spec-in-critical-path): New flags to tune speculative
5584 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5585 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5586 msched-in-control-spec, msched-ldc, msched-control-ldc,
5587 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5588 msched-prefer-non-control-spec-insns,
5589 msched-count-spec-in-critical-path): Document new flags.
5591 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5593 * target.h (struct spec_info_def): New opaque declaration.
5594 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5595 speculate_insn, needs_block_p, gen_check,
5596 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5597 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5598 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5599 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5600 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5601 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5603 (TARGET_SCHED): Use new macros.
5604 * rtl.h (copy_DEPS_LIST_list): New prototype.
5605 * sched-int.h (struct sched_info): Change signature of new_ready field,
5606 adjust all initializations. New fields: add_remove_insn,
5607 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5608 region_head_or_leaf_p.
5609 (struct spec_info_def): New structure declaration.
5610 (spec_info_t): New typedef.
5611 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5612 recovery_block, orig_pat.
5613 (glat_start, glat_end): New variables declaraions.
5614 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5616 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5617 DETACH_LIFE_INFO, USE_GLAT.
5618 (enum SPEC_SCHED_FLAGS): New enumeration.
5619 (NOTE_NOTE_BB_P): New macro.
5620 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5621 attach_life_info, debug_spec_status, check_reg_live): New functions.
5622 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5623 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5625 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5626 * ddg.c (get_block_head_tail): Adjust all uses.
5627 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5628 (sms_sched_info): Initialize new fields.
5629 (contributes_to_priority): Removed.
5630 * haifa-sched.c (params.h): New include.
5631 (get_block_head_tail): Adjust all uses.
5632 (ISSUE_POINTS): New macro.
5633 (glat_start, glat_end): New global variables.
5634 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5635 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5636 old_last_basic_block, before_recovery, current_sched_info_var,
5637 rgn_n_insns, luid): New static variables.
5638 (insn_cost1): New function. Move logic from insn_cost to here.
5639 (find_insn_reg_weight1): New function. Move logic from
5640 find_insn_reg_weight to here.
5641 (reemit_notes, move_insn, max_issue): Change signature.
5642 (move_insn1): Removed.
5643 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5644 extend_bb): New static functions to support extension of scheduler's
5646 (generate_recovery_code, process_insn_depend_be_in_spec,
5647 begin_speculative_block, add_to_speculative_block,
5648 init_before_recovery, create_recovery_block, create_check_block_twin,
5649 fix_recovery_deps): New static functions to support
5650 generation of recovery code.
5651 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5652 restore_bb_notes, move_block_after_check, move_succs): New static
5653 functions to support ebb scheduling.
5654 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5655 functions to support handling of register live information.
5656 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5657 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5658 add_jump_dependencies): New static functions.
5659 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5660 consistancy checking.
5661 (debug_spec_status): New function to call from debugger.
5662 (priority): Added code to handle speculation checks.
5663 (rank_for_schedule): Added code to distinguish speculative instructions.
5664 (schedule_insn): Added code to handle speculation checks.
5665 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5666 Fixed to handle ebbs.
5667 (move_insn): Added code to handle ebb scheduling.
5668 (max_issue): Added code to use ISSUE_POINTS of instructions.
5669 (choose_ready): Added code to choose between speculative and
5670 non-speculative instructions.
5671 (schedule_block): Added code to handle ebb scheduling and scheduling of
5672 speculative instructions.
5673 (sched_init): Initialize new variables.
5674 (sched_finish): Free new variables. Print statistics.
5675 (try_ready): Added code to handle speculative instructions.
5676 * lists.c (copy_DEPS_LIST_list): New function.
5677 * sched-deps.c (extend_dependency_caches): New function. Move logic
5678 from create_dependency_caches to here.
5679 (get_dep_weak, ds_merge): Make global.
5680 * genattr.c (main): Code to output prototype for
5681 dfa_clear_single_insn_cache.
5682 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5683 (output_dfa_clean_insn_cache_func): Code to output
5684 dfa_clear_single_insn_cache function.
5685 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5687 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5689 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5690 New static variables.
5691 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5692 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5694 (ebb_sched_info): Initialize new fields.
5695 (get_block_head_tail): Adjust all uses.
5696 (compute_jump_reg_dependencies): Fixed to use glat_start.
5697 (schedule_ebb): Code to remove unreachable last block.
5698 (schedule_ebbs): Added code to update register live information.
5699 * sched-rgn.c (region_sched_info): Initialize new fields.
5700 (get_block_head_tail): Adjust all uses.
5701 (last_was_jump): Removed. Adjust users.
5702 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5703 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5704 Implement new hooks.
5705 (check_dead_notes1): New static function.
5706 (struct region): New fields: dont_calc_deps, has_real_ebb.
5707 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5708 (BB_TO_BLOCK): Fixed to handle EBBs.
5709 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5710 (ebb_head): New static variable.
5711 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5712 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5714 (compute_dom_prob_ps): New assertion.
5715 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5716 global_live_at_start.
5717 (init_ready_list): New assertions.
5718 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5719 (new_ready): Add support for BEGIN_CONTROL speculation.
5720 (schedule_insns): Fixed code that updates register live information
5722 (schedule_region): Fixed to handle EBBs.
5723 (init_regions): Use extend_regions and check_dead_notes1.
5724 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5725 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5726 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5727 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5728 TARGET_SCHED_GEN_CHECK,
5729 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5730 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5731 * doc/invoke.texi (max-sched-insn-conflict-delay,
5732 sched-spec-prob-cutoff): Document.
5734 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5736 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5737 inter_tick, queue_index.
5738 (struct sched_info): Change signature of init_ready_list field.
5739 Adjust all initializations.
5740 (RESOLVED_DEPS): New access macro.
5741 (ready_add): Remove prototype.
5742 (try_ready): Add prototype.
5743 * sched-rgn.c (init_ready_list): Use try_ready.
5744 (schedule_region): Initialize
5745 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5746 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5747 (init_ready_list): Use try_ready.
5748 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5749 * lists.c (remove_list_elem): Remove `static'.
5750 (remove_free_INSN_LIST_elem): New function.
5751 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5752 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5753 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5755 (readyp): New variable.
5756 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5757 change_queue_index, resolve_dep): New static functions.
5758 (try_ready): New function. Adjust callers in sched-rgn.c and
5759 sched-ebb.c to use it instead of ready_add.
5760 (clock_var): Move at the begining of file.
5761 (rank_for_schedule): Fix typo.
5762 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5763 (ready_lastpos): Enforce assertion.
5764 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5766 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5767 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5768 (queue_to_ready): Use free_INSN_LIST_list.
5769 (early_queue_to_ready): Fix typo.
5770 (schedule_block): Init readyp. Move init_ready_list call after the
5771 initialization of clock_var. Fix error in rejecting insn by
5772 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5773 that previously corrected INSN_TICKs. Add code for handling
5775 (set_priorities): Fix typo.
5776 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5777 Clarify comment and code that keeps current_sched_info->next_tail
5780 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5782 * sched-rgn.c (extend_rgns): New static function.
5783 (find_rgns): Use it.
5784 (gather_region_statistics, print_region_statistics): New static
5786 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5787 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5789 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5790 Andrey Belevantsev <abel@ispras.ru>
5792 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5793 * lists.c (unused_deps_list): New variable.
5794 (free_list): Add assertions to verify the proper distinguishing
5795 between INSN_LISTs and DEPS_LISTs.
5796 (find_list_elem, remove_list_elem, remove_list_node): New static
5798 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5799 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5800 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5801 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5803 (free_INSN_LIST_node): Likewise.
5804 * modulo-sched.c (current_sched_info): Initialize flags field.
5805 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5806 * rtl.def (DEPS_LIST): Define.
5807 * rtl.h: Declare new functions from lists.c.
5808 * sched-deps.c (spec_dependency_cache): New static variable.
5809 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5810 (add_dependence): Change return type to void. Move the logic to ...
5811 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5812 (delete_all_dependences): Add comment about forward_dependency_cache.
5813 Handle spec_dependency_cache. Handle DEPS_LISTs.
5814 (fixup_sched_groups): Clarify the change of priority of output
5815 and anti dependencies.
5816 (sched_analyze_2): Adjust add_dependence calls to create data
5817 speculative dependence.
5818 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5819 Adjust all callers. Handle DEPS_LISTS.
5820 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5821 presence of speculation.
5822 (init_dependency_caches, free_dependency_caches):
5823 Handle spec_dependency_cache.
5824 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5825 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5826 New static functions.
5827 (add_or_update_back_dep, add_or_update_back_forw_dep,
5828 add_back_forw_dep, delete_back_forw_dep): New functions.
5829 * sched-int.h (ds_t, dw_t): New typedefs.
5830 (struct sched_info): Add new field flags.
5831 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5832 Prototype new sched-deps.c functions.
5833 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5834 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5835 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5836 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5837 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5838 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5840 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5842 * sched-rgn.c (current_sched_info): Initialize flags field.
5843 (schedule_insns): Initialize current_sched_info before the sched_init
5845 * sched-ebb.c (current_sched_info): Initialize flags field.
5846 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5847 Call add_or_update_back_dep instead of add_dependence.
5848 Create control speculative dependencies.
5849 (schedule_insns): Initialize current_sched_info before the sched_init
5852 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5854 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5856 (sh_fallback_frame_state): Likewise.
5858 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5860 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5861 Do switch on default_use_cxa_atexit.
5862 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5863 * config/darwin-crt3.o: New.
5864 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5865 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5866 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5868 * config/rs6000/t-darwin: Move crt2.o building to here.
5869 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5870 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5873 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5875 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5876 from '! xxx' to '!xxx' for coding-style conformance.
5877 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5878 (EXTRA_CONSTRAINT): Likewise.
5879 * config/vax/vax.md (four unnamed insns): Likewise.
5881 2006-03-15 Paul Brook <paul@codesourcery.com>
5883 * config/arm/arm.c (minipool_pad): New.
5884 (add_minipool_forward_ref): Include pool alignment padding in address
5886 (push_minipool_fix): Set minipool_pad.
5887 (minipool_pad): Ditto.
5889 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5891 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5892 instead of GET_CODE() == MEM and REG_P() instead of
5894 (print_operand_address): Likewise.
5895 (vax_address_cost): Likewise.
5896 (vax_rtx_costs): Likewise.
5897 (vax_notice_update_cc): Likewise.
5898 (vax_output_int_add): Likewise.
5899 (INDEX_REGISTER_P): Likewise.
5900 (BASE_REGISTER_P): Likewise.
5901 (nonindexed_address_p): Likewise.
5902 (vax_mode_dependent_address_p): Likewise.
5903 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5904 (PRINT_OPERAND): Likewise.
5905 * config/vax/vax.md (ashlsi3): Likewise.
5906 (ashlsi3): Likewise.
5907 (some more unnamed insns): Likewise.
5909 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5911 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5912 iterator-style macro.
5913 (mark_control_dependent_edges_necessary): Update the use of
5914 EXECUTE_IF_CONTROL_DEPENDENT.
5916 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5918 * config/sh/predicates.md (cache_address_operand): Special.
5919 (ua_address_operand): Likewise.
5921 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5923 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5925 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5927 2006-03-15 Andreas Schwab <schwab@suse.de>
5929 * gensupport.c (identify_predicable_attribute): Don't free p_false
5930 when it is still in use.
5932 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5934 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5935 the default setting here.
5937 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5939 * tree-pass.h (pass_cfg): Remove.
5940 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5941 * passes.c (pass_cfg): Don't run it.
5943 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5945 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5946 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5948 (stack_regs_mentioned): Update the uses of
5949 stack_regs_mentioned_data. Don't access the array beyond its
5951 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5952 Don't include gt-reg-stack.h.
5954 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5955 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5957 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5960 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5963 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5965 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5967 2006-03-14 Richard Guenther <rguenther@suse.de>
5969 PR tree-optimization/26672
5970 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5973 2006-03-14 Richard Guenther <rguenther@suse.de>
5975 PR tree-optimization/26667
5976 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5977 node for the callees. Always allow inlining if it will shrink
5980 2006-03-14 Richard Guenther <rguenther@suse.de>
5983 * builtins.c (get_pointer_alignment): Prefer alignment
5984 information from decls over that from types.
5986 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5989 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5991 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5993 * config/rs6000/rs6000.opt (mdlmzb): New option.
5994 (msched-prolog, msched-epilog): Use Var not Mask.
5995 * doc/invoke.texi (-mdlmzb): Document.
5996 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5998 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5999 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6001 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6003 PR rtl-optimization/25739
6004 * bt-load.c (augment_live_range): Free tos pointer.
6006 * gensupport.c (identify_predicable_attribute): Free
6008 * gcov.c (create_file_names): Free name pointer.
6010 2006-03-13 Roger Sayle <roger@eyesopen.com>
6013 * stmt.c (emit_case_nodes): Handle the case where the index is a
6014 CONST_INT, where the comparison mode is specified by the index type.
6016 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6018 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6021 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6023 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6024 (*branch_fp_inverted): Likewise.
6026 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6029 * omp-low.c (expand_omp_for_generic): Mark istart0
6030 and iend0 as addressable.
6032 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6034 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6036 2006-03-13 Jeff Law <law@redhat.com>
6038 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6039 virtual operands are interesting.
6040 (vrp_visit_stmt): Corresponding changes.
6042 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6044 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6046 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6047 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6048 * config/bfin/crti.S: Use it instead of __PIC__.
6049 * config/bfin/crtn.S: Likewise.
6051 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6052 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6054 Lose 'G' modifier for call operand.
6055 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6056 recognize 'G' modifier.
6058 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6061 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6062 * stmt.c (expand_case): Likewise.
6064 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6066 PR rtl-optimization/26254
6067 * loop-invariant.c (seq_insns_valid_p): New function.
6068 (move_invariant_reg): Only emit new code if it is valid.
6070 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6072 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6074 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6075 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6076 (commit_one_edge_insertion): Do not look for loop notes.
6078 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6080 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6081 flag_test_coverage out of loop.
6083 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6085 * final.c (shorten_branches): Remove outdated comment, and turn
6086 the if branch that guards it to continue.
6088 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6090 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6091 * cfgloop.h (struct loop): Remove unused fields.
6093 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6095 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6096 (-dL, -fdump-rtl-loop2): Update the dump file names
6098 * doc/invoke.texi: Update dump file names.
6100 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6102 * predict.c (estimate_probability): Remove.
6103 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6104 * basic-block.h (estimate_probability): Remove prototype.
6105 * passes.c (finish_optimization_passes): Dump branch prediction or
6106 profiling heuristics to the .profile tree dump.
6107 (init_optimization_passes): Unqueue pass_branch_prob.
6109 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6111 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6113 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6114 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6116 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6118 * function.h (frame_offset_overflow): Declare.
6119 * function.c (frame_offset_overflow): New function.
6120 (assign_stack_local_1): Call it to detect that the offset overflows.
6121 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6123 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6125 * config/sh/sh.c: Include alloc-pool.h.
6126 (label_ref_list_pool): New alloc pool.
6127 (label_ref_list_t): New type for lists of labels.
6128 (struct pool_node): Make wend a label_ref_list_t.
6129 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6131 (dump_table): Likewise.
6132 (sh_reorg): Set up the alloc pool before using add_constant and
6133 dump_table, and destroy it when finishing.
6135 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6137 * config/mips/mips.c: Remove redundant comment.
6139 2006-03-10 Jason Merrill <jason@redhat.com>
6142 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6143 the target was declared 'register'.
6145 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6147 * genpreds.c (write_insn_constraint_len): Change definition of
6148 insn_constraint_len to return size_t to match the declaration.
6150 2006-03-10 DJ Delorie <dj@redhat.com>
6152 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6154 (m32c_expand_insv): Fix test for an AND mask.
6156 2006-03-10 Richard Guenther <rguenther@suse.de>
6159 * builtins.c (get_pointer_alignment): Handle component
6160 references for field alignment.
6162 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6164 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6165 when building with libgloss.
6166 (sh*elf): Implement --without-fp option.
6167 (sh64-superh-linux*): Don't multilib.
6169 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6171 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6173 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6175 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6176 Set it when one of the replacement functions returned true.
6177 Return TODO_cleanup_cfg if cfgchanged is true.
6178 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6180 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6182 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6183 instead of gen_lowpart.
6185 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6187 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6189 (mips_output_order_conditional_branch): Declare.
6190 * config/mips/mips.h (MIPS_BRANCH): New macro.
6191 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6192 for the comparison. Use gen_condjump.
6193 (mips_output_conditional_branch): Rework interface to take the
6194 asm templates for a direct branch and the inverse of a direct branch.
6195 (mips_output_order_conditional_branch): New function.
6196 (mips_builtin_branch_and_move): New function.
6197 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6198 branch condition. Use gen_single_cc as the condition for
6199 __builtin_mips_upper_* or __builtin_mips_lower_*.
6200 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6201 Use VOIDmode for the branch condition.
6202 * config/mips/predicates.md (order_operator): New predicate.
6203 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6204 (branch_fp): Rename to...
6205 (*branch_fp): ...this. Remove mode from comparison operator.
6206 Use new mips_output_conditional_branch interface.
6207 (branch_fp_inverted): Rename to...
6208 (*branch_fp_inverted): ...this and update as for *branch_fp.
6209 (*branch_zero<mode>): Rename to...
6210 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6211 Use mips_output_order_conditional_branch. Only accept ordered
6213 (*branch_zero<mode>_inverted): Rename to...
6214 (*branch_order<mode>_inverted): ...this and update as for
6215 *branch_order<mode>.
6216 (*branch_equality<mode>): Accept zero as the second operand to
6217 the equality operator. Use the new mips_output_conditional_branch
6219 (*branch_equality<mode>_inverted): Likewise.
6220 (condjump): New expander.
6221 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6223 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6224 (bc1any2t, bc1any2f): Likewise.
6225 (single_cc): New expander.
6226 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6228 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6230 * doc/md.texi: Update documentation of MIPS constraints.
6231 * config/mips/constraints.md: New file.
6232 * config/mips/mips.md: Include it.
6233 * config/mips/mips.c (mips_char_to_class): Delete.
6234 (override_options): Don't initialize mips_char_to_class.
6235 * config/mips/mips.h (mips_char_to_class): Delete.
6236 (REG_CLASS_FROM_LETTER): Delete.
6237 (CONST_OK_FOR_LETTER_P): Delete.
6238 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6239 (EXTRA_CONSTRAINT_Y): Delete.
6240 (EXTRA_CONSTRAINT_STR): Delete.
6241 (CONSTRAINT_LEN): Delete.
6242 (EXTRA_MEMORY_CONSTRAINT): Delete.
6244 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6246 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6247 original fn's eh regions.
6249 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6251 * fold-const.c (build_range_check): Make sure to use a valid type to
6252 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6255 (range_predecessor): New static function.
6256 (range_successor): Likewise.
6257 (merge_ranges): Use them to compute predecessors and successors of
6260 2006-03-09 Roger Sayle <roger@eyesopen.com>
6263 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6264 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6266 2006-03-08 DJ Delorie <dj@redhat.com>
6268 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6269 (addpsi3): Expand to include memory operands. Remove
6270 reload-specific splits.
6271 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6272 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6273 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6274 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6275 (shift1_qi, shift1_hi, insv): New.
6276 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6277 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6278 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6280 * config/m32c/m32c-protos.h: Update as needed.
6281 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6282 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6283 Fail for unrecognized R* constraints.
6284 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6285 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6286 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6288 (m32c_init_libfuncs): New.
6289 (m32c_legitimate_address_p): Add debug wrapper.
6290 (m32c_rtx_costs): New.
6291 (m32c_address_cost): New.
6292 (conversions): Add 'B' prefix.
6293 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6294 operands, or word regnames for QI operands. 'B' prints bit
6296 (m32c_expand_setmemhi): New.
6297 (m32c_expand_movmemhi): New.
6298 (m32c_expand_movstr): New.
6299 (m32c_expand_cmpstr): New.
6300 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6301 (m32c_expand_neg_mulpsi3): Handle non-ints.
6302 (m32c_cmp_flg_0): New.
6303 (m32c_expand_movcc): New.
6304 (m32c_expand_insv): New.
6305 (m32c_scc_pattern): New.
6306 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6307 a0/a1 out of SIregs.
6308 (STORE_FLAG_VALUE): New.
6309 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6312 * config/m32c/mov.md: Make constraints more liberal.
6313 (zero_extendqihi2): Optimize r0/r1 case.
6314 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6315 * config/m32c/predicates.md (m32c_any_operand): New.
6316 (m32c_nonimmediate_operand): New.
6317 (m32c_hl_operand): New.
6318 (m32c_r3_operand): New.
6321 (memsym_operand): New.
6322 (memimmed_operand): New.
6323 (a_qi_operand): New.
6324 (m32c_eqne_operator): New.
6325 (m32c_1bit8_operand): New.
6326 (m32c_1bit16_operand): New.
6327 (m32c_1mask8_operand): New.
6328 (m32c_1mask16_operand): New.
6329 * config/m32c/blkmov.md: New file.
6330 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6332 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6334 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6335 unsigned to fix signed/unsigned comparison issue in
6336 DWARF2_FRAME_REG_OUT.
6337 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6338 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6340 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6341 of ptr into the ENABLE_CHECKING section.
6343 2006-03-08 Jeff Law <law@redhat.com>
6345 * tree-vrp.c (infer_value_range): Only count pointer uses
6346 and dereferences if -fdelete-null-pointer-checks is enabled.
6348 * tree-vrp.c (find_assert_locations): Infer value ranges for
6349 single use pointers, but do not create ASSERT_EXPRs for them.
6350 When a non-null range is inferred for a pointer, backwards
6351 propagate that range to other equivalent pointers through the
6354 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6357 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6358 language hook targets.
6359 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6360 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6361 if language hook targets were missing.
6363 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6365 * tree-ssa-opfinalize.h: Removed.
6366 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6368 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6369 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6370 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6371 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6372 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6373 finalize_ssa_v_must_def_ops): New.
6375 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6377 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6380 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6382 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6384 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6385 addresses with offsets; reorganize.
6387 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6388 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6389 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6391 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6394 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6396 2006-03-08 Ben Elliston <bje@au.ibm.com>
6398 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6400 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6403 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6406 2006-03-07 Richard Guenther <rguenther@suse.de>
6408 PR tree-optimization/26587
6409 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6411 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6413 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6415 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6417 * hooks.c (hook_bool_mode_rtx_true): New function.
6418 * hooks.h (hook_bool_mode_rtx_true): Declare.
6419 * toplev.c (compile_file): Call output_shared_constant_pool.
6420 * varasm.c (shared_constant_pool): New variable.
6421 (assemble_start_function, assemble_end_function): Remove arguments
6422 from call to output_constant_pool.
6423 (create_constant_pool): New function, split out from...
6424 (init_varasm_status): ...here.
6425 (force_const_mem): Choose between the shared and per-function constant
6426 pools. Set current_function_uses_const_pool when reusing old entries
6427 as well as when creating new ones.
6428 (mark_constant): Ignore data argument.
6429 (mark_constants): Remove pool argument.
6430 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6431 to decide whether the function uses a constant pool.
6432 (output_constant_pool_contents): New function, split out from...
6433 (output_constant_pool): ...here.
6434 (output_shared_constant_pool): New function.
6435 (init_varasm_once): Initialize shared_constant_pool.
6436 * output.h (output_constant_pool): Delete.
6437 (output_shared_constant_pool): Declare.
6438 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6439 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6441 2006-03-06 Nick Clifton <nickc@redhat.com>
6443 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6444 flag_strength_reduce.
6446 2006-03-06 Ben Elliston <bje@au.ibm.com>
6448 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6449 x86_64-*-linux* configurations.
6451 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6452 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6454 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6456 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6458 * basic-block.h: Remove the extern for
6459 rediscover_loops_after_threading.
6461 * cfgloop.c (cancel_loop): Make it static.
6462 * cfgloop.h: Remove the prototype for cancel_loop.
6464 * flow.c (recompute_reg_usage): Make it static.
6465 * rtl.h: Remove the prototype for recompute_reg_usage.
6467 * function.c (use_return_register): Make it static.
6468 * function.h: Remove the prototype.
6470 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6472 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6474 * recog.h: Remove the prototype for
6475 validate_change_maybe_volatile.
6477 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6479 * rtlanal.c (replace_reg): Remove.
6480 * rtl.h: Remove the prototype for replace_reg.
6482 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6484 * regclass.c (reg_scan_update): Remove.
6485 (reg_scan_mark_refs): Remove the last argument.
6486 * rtl.h: Remove the prototype for reg_scan_update.
6488 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6490 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6491 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6492 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6493 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6494 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6495 loop-invariant.c, omp-low.c, opts.c, passes.c,
6496 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6497 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6498 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6499 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6500 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6501 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6503 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6505 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6506 * dwarf2out.h: Remove the prototype for
6507 dwarf2out_add_library_unit_info.
6509 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6511 * tree.c (add_var_to_bind_expr): Remove.
6512 * tree.h: Remove the prototype for add_var_to_bind_expr.
6514 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6516 * regclass.c (n_non_fixed_regs): Remove.
6517 (init_reg_sets_1, globalize_reg): Remove all uses of
6519 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6521 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6523 * rtlanal.c (insns_safe_to_move_p): Remove.
6524 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6526 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6528 * expmed.c (expand_mult_add): Remove.
6529 * expr.h: Remove the prototype for expand_mult_add.
6531 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6533 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6534 and REG_SAVED_VAL_EXP constants.
6535 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6536 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6537 Handle regs stored by value.
6538 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6539 (execute_cfa_program): Handle DW_CFA_val_offset,
6540 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6541 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6542 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6543 (uw_install_context_1): Handle target regs stored by value.
6545 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6547 * tree-sra.c (tree_sra): Return todoflags;
6548 (generate_one_element): Set TODO_update_smt_usage if needed.
6549 (pass_sra): Remove TODO_update_smt_usage.
6550 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6552 (tree_ssa_forward_propagate_single_use_vars): Return
6553 TODO_update_smt_usage if we need to update SMT usage.
6554 (pass_forwprop): Remove TODO_update_smt_usage.
6556 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6558 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6559 (correct_use_link): Remove reference to get_stmt_operands.
6560 (update_stmt_operands): Likewise.
6561 (get_modify_expr_operands): New function factored out of
6562 parse_ssa_operands and get_expr_operands.
6563 Try to create V_MUST_DEFs for LHS by default.
6564 (get_expr_operands) <case MODIFY_EXPR>: Call
6565 get_modify_expr_operands.
6566 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6567 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6568 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6569 get_modify_expr_operands.
6571 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6573 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6574 * tree-flow.h: Remove the prototype for
6575 referenced_var_lookup_if_exists.
6577 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6579 PR rtl-optimization/26345
6581 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6583 2006-03-03 Roger Sayle <roger@eyesopen.com>
6585 PR tree-optimization/26524
6586 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6587 fold_convert to create a constant of the appropriate type.
6589 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6591 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6592 SYMBOL_REF_IN_BLOCK_P.
6593 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6594 of SYMBOL_FLAG_IN_BLOCK.
6595 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6596 instead of SYMBOL_REF_IN_BLOCK_P.
6597 * explow.c (use_anchored_address): Likewise.
6598 * rtl.c (rtx_size): Likewise.
6599 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6600 instead of SYMBOL_FLAG_IN_BLOCK.
6601 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6602 SYMBOL_REF_IN_BLOCK_P.
6603 (assemble_variable): Likewise.
6604 (output_constant_def_contents): Likewise.
6605 (output_constant_pool): Likewise.
6606 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6607 instead of SYMBOL_FLAG_IN_BLOCK.
6608 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6609 SYMBOL_REF_IN_BLOCK_P.
6610 (SYMBOL_REF_BLOCK): Likewise.
6611 (SYMBOL_REF_OFFSET): Likewise.
6612 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6613 SYMBOL_REF_IN_BLOCK_P.
6614 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6615 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6616 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6617 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6619 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6621 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6623 2006-03-02 Roger Sayle <roger@eyesopen.com>
6625 * simplify-rtx.c (simplify_unary_operation): When simplifying
6626 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6627 that we perform the right shift in the appropriate mode, and
6628 then extend or truncate the result to requested mode.
6630 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6632 * gengtype.c (main): Handle double_int type.
6633 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6634 * double-int.c: New file.
6635 * double-int.h: New file.
6636 * system.h: Include doubleint.h.
6637 * Makefile.in (SYSTEM_H): Include double-int.h.
6638 (double-int.o): Add.
6640 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6643 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6646 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6648 * tree-vrp.c (remove_range_assertions): Do not update statements
6651 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6653 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6655 * gcse.c (rest_of_handle_gcse): Ditto.
6656 * except.c (gate_handle_eh): Ditto.
6657 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6658 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6660 2006-03-02 Eric Christopher <echristo@apple.com>
6662 * config/i386/i386.c (machopic_output_stub): Add indirection to
6665 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6669 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6671 Sun Niagara specific optimizations.
6672 * config.gcc: Recognize niagara as target.
6673 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6674 (TARGET_CPU_niagara): Define.
6675 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6676 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6677 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6678 (ASM_CPU_SPEC): Likewise.
6679 (PROCESSOR_NIAGARA): New enum entry.
6680 (REGISTER_MOVE_COST): Handle Niagara.
6681 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6682 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6683 (sparc_override_options): Recognize "niagara", set appropriate
6684 default MASK_* values for it, and align functions to 32-bytes
6685 by default just like ULTRASPARC/ULTRASPARC3.
6686 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6687 (sparc64_initialize_trampoline): Likewise.
6688 (sparc_use_sched_lookahead): Use zero for niagara.
6689 (sparc_issue_rate): Use one for niagara.
6690 * config/sparc/niagara.md: New file.
6691 * config/sparc/sparc.md: Include it.
6692 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6693 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6694 when default cpu is niagara.
6695 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6696 (ASM_CPU_SPEC): Likewise.
6697 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6698 when default cpu is niagara.
6699 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6700 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6701 just like v9/ultrasparc/ultrasparc3.
6702 * doc/invoke.texi: Add documentation for "niagara" and improve
6703 existing documentation for ultrasparc variants.
6705 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6707 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6709 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6711 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6712 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6713 and say that only one is needed.
6714 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6715 * target.h (have_switchable_bss_sections): New hook.
6716 * explow.c (use_anchored_address): Check that the symbol is in a block.
6717 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6718 (bss_noswitch_section): New variables.
6719 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6720 (get_noswitch_section): New function.
6721 (get_block_for_section): Allow SECT to be null.
6722 (unlikely_text_section_p): Use SECTION_STYLE.
6723 (bss_initializer_p): New function.
6724 (get_variable_section): Move earlier in file. Take a new argument,
6725 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6726 Return one of the new *_sections in such cases.
6727 (get_block_for_decl): New function, extracting some logic from
6728 use_blocks_for_decl_p.
6729 (change_symbol_section): Remove in favor of...
6730 (change_symbol_block): ...this new function.
6731 (use_blocks_for_decl_p): Remove checks now performed by
6733 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6734 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6735 (emit_local, emit_bss, emit_common): ...these new functions.
6736 Return true if the alignment was honored.
6737 (emit_tls_common): New function.
6738 (asm_emit_uninitialised): Delete.
6739 (assemble_variable_noswitch): New function, split out from...
6740 (assemble_variable): ...here. Don't make decisions about common
6741 variables here. Globalize all public decls that go into non-common
6742 sections. Check whether SYMBOL_REF_BLOCK is null.
6743 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6744 (output_constant_pool): Likewise.
6745 (init_varasm_once): Initialize the new section variables.
6746 (have_global_bss_p): New function.
6747 (categorize_decl_for_section): Use bss_initializer_p.
6748 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6749 (place_block_symbol): Assert that the symbol must be in a block.
6750 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6751 (TARGET_INITIALIZER): Include it.
6752 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6753 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6754 (SECTION_MACH_DEP): Bump by two.
6755 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6756 (unnamed_section): Mention SECTION_UNNAMED in comment.
6757 (named_section): Likewise SECTION_NAMED.
6758 (noswitch_section_callback): New type.
6759 (noswitch_section): New structure.
6760 (section): Add a noswitch_section alternative.
6761 (SECTION_STYLE): New macro.
6762 (tls_comm_section, comm_section, lcomm_section): Declare.
6763 (bss_noswitch_section, have_global_bss_p): Declare.
6764 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6765 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6767 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6768 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6771 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6773 * tree-vrp.c (execute_vrp): Return value.
6774 * regrename.c (rest_of_handle_regrename): Ditto.
6775 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6776 * tree-complex.c (tree_lower_complex): Ditto.
6777 (tree_lower_complex_O0): Ditto.
6778 * tracer.c (rest_of_handle_tracer): Ditto.
6779 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6780 * postreload.c (rest_of_handle_postreload): Ditto.
6781 * tree-tailcall.c (execute_tail_recursion): Ditto.
6782 (execute_tail_calls): Ditto.
6783 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6784 * tree.h (init_function_for_compilation): Ditto.
6785 * ipa-cp.c (ipcp_driver): Ditto.
6786 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6787 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6788 * final.c (compute_alignments): Ditto.
6789 (rest_of_handle_final): Ditto.
6790 (rest_of_handle_shorten_branches): Ditto.
6791 (rest_of_clean_state): Ditto.
6792 * omp-low.c (execute_expand_omp): Ditto.
6793 (execute_lower_omp): Ditto.
6794 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6795 * ipa-reference.c (static_execute): Ditto.
6796 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6797 * reorg.c (rest_of_handle_delay_slots): Ditto.
6798 (rest_of_handle_machine_reorg): Ditto.
6799 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6800 * flow.c (recompute_reg_usage): Ditto.
6801 (rest_of_handle_remove_death_notes): Ditto.
6802 (rest_of_handle_life): Ditto.
6803 (rest_of_handle_flow2): Ditto.
6804 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6805 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6806 (do_ssa_store_ccp): Ditto.
6807 (execute_fold_all_builtins): Ditto.
6808 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6809 * modulo-sched.c (rest_of_handle_sms): Ditto.
6810 * ipa-pure-const.c (static_execute): Ditto.
6811 * cse.c (rest_of_handle_cse): Ditto.
6812 (rest_of_handle_cse2): Ditto.
6813 * web.c (rest_of_handle_web): Ditto.
6814 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6815 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6816 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6817 * tree-nrv.c (tree_nrv): Ditto.
6818 (execute_return_slot_opt): Ditto.
6819 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6820 (create_structure_vars): Ditto.
6821 * loop-init.c (rtl_loop_init): Ditto.
6822 (rtl_loop_done): Ditto.
6823 (rtl_move_loop_invariants): Ditto.
6824 (rtl_unswitch): Ditto.
6825 (rtl_unroll_and_peel_loops): Ditto.
6826 (rtl_doloop): Ditto.
6827 * gimple-low.c (lower_function_body): Ditto.
6828 (mark_used_blocks): Ditto.
6829 * tree-ssa-sink.c (execute_sink_code): Ditto.
6830 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6831 (cgraph_early_inlining): Ditto.
6832 * global.c (rest_of_handle_global_alloc): Ditto.
6833 * jump.c (cleanup_barriers): Ditto.
6834 (purge_line_number_notes): Ditto.
6835 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6836 (rest_of_handle_if_after_reload): Ditto.
6837 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6838 (tree_ssa_loop_im): Ditto.
6839 (tree_ssa_loop_unswitch): Ditto.
6840 (tree_vectorize): Ditto.
6841 (tree_linear_transform): Ditto.
6842 (tree_ssa_loop_ivcanon): Ditto.
6843 (tree_ssa_empty_loop): Ditto.
6844 (tree_ssa_loop_bounds): Ditto.
6845 (tree_complete_unroll): Ditto.
6846 (tree_ssa_loop_prefetch): Ditto.
6847 (tree_ssa_loop_ivopts): Ditto.
6848 (tree_ssa_loop_done): Ditto.
6849 * predict.c (tree_estimate_probability): Ditto.
6850 * recog.c (split_all_insns_noflow): Ditto.
6851 (rest_of_handle_peephole2): Ditto.
6852 (rest_of_handle_split_all_insns): Ditto.
6853 * tree-eh.c (lower_eh_constructs): Ditto.
6854 * regmove.c (rest_of_handle_regmove): Ditto.
6855 (rest_of_handle_stack_adjustments): Ditto.
6856 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6857 * function.c (instantiate_virtual_regs): Ditto.
6858 (init_function_for_compilation): Ditto.
6859 (rest_of_handle_check_leaf_regs): Ditto.
6860 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6861 (rest_of_handle_gcse): Ditto.
6862 * ipa-type-escape.c (type_escape_execute): Ditto.
6863 * alias.c (rest_of_handle_cfg): Ditto.
6864 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6865 * profile.c (rest_of_handle_branch_prob): Ditto.
6866 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6867 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6868 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6869 * tree-dfa.c (find_referenced_vars): Ditto.
6870 * except.c (set_nothrow_function_flags): Ditto.
6871 (convert_to_eh_region_ranges): Ditto.
6872 (rest_of_handle_eh): Ditto.
6873 * emit-rtl.c (unshare_all_rtl): Ditto.
6874 (remove_unnecessary_notes): Ditto.
6875 * except.h (set_nothrow_function_flags): Ditto.
6876 (convert_to_eh_region_ranges): Ditto.
6877 * cfgexpand.c (tree_expand_cfg): Ditto.
6878 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6879 * tree-ssa-pre.c (do_pre): Ditto.
6880 (execute_fre): Ditto.
6881 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6882 (rest_of_handle_jump2): Ditto.
6883 * tree-sra.c (tree_sra): Ditto.
6884 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6885 (execute_mudflap_function_decls): Ditto.
6886 * tree-ssa-copy.c (do_copy_prop): Ditto.
6887 (do_store_copy_prop): Ditto.
6888 * ipa-prop.h (ipcp_driver): Ditto.
6889 * cfglayout.c (insn_locators_initialize): Ditto.
6890 * tree-ssa-forwprop.c
6891 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6892 * cfglayout.h (insn_locators_initialize): Ditto.
6893 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6894 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6895 (execute_late_warn_uninitialized): Ditto.
6896 * rtl.h (cleanup_barriers): Ditto.
6897 (split_all_insns_noflow): Ditto.
6898 (purge_line_number_notes): Ditto.
6899 (unshare_all_rtl): Ditto.
6900 (remove_unnecessary_notes): Ditto.
6901 (recompute_reg_usage): Ditto.
6902 (variable_tracking_main): Ditto.
6903 * integrate.c (emit_initial_value_sets): Ditto.
6904 * integrate.h (emit_initial_value_sets): Ditto.
6905 * tree-optimize.c (execute_free_datastructures): Ditto
6906 (execute_free_cfg_annotations): Ditto.
6907 (execute_fixup_cfg): Ditto.
6908 (execute_cleanup_cfg_pre_ipa): Ditto.
6909 (execute_cleanup_cfg_post_optimizing): Ditto.
6910 (execute_init_datastructures): Ditto.
6911 * tree-object-size.c (compute_object_sizes): Ditto.
6912 * combine.c (rest_of_handle_combine): Ditto.
6913 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6914 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6915 (rest_of_handle_reorder_blocks): Ditto.
6916 (rest_of_handle_partition_blocks): Ditto.
6917 * var-tracking.c (variable_tracking_main): Ditto.
6918 * tree-profile.c (tree_profiling): Ditto.
6919 * tree-vect-generic.c (expand_vector_operations): Ditto.
6920 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6921 * sched-rgn.c (rest_of_handle_sched): Ditto.
6922 (rest_of_handle_sched2): Ditto.
6923 * basic-block.h (free_bb_insn): Ditto.
6924 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6925 * tree-cfg.c (execute_build_cfg): Ditto.
6926 (remove_useless_stmts): Ditto.
6927 (split_critical_edges): Ditto.
6928 (execute_warn_function_return): Ditto.
6929 (execute_warn_function_noreturn): Ditto.
6930 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6931 * cfgrtl.c (free_bb_for_insn): Ditto.
6932 * passes.c (execute_one_pass): Run additional
6933 todos returned by execute function.
6934 * tree-pass.h (struct tree_opt_pass): Make execute
6937 2006-03-02 Richard Guenther <rguenther@suse.de>
6939 * tree-ssa-alias.c (find_used_portions): Consider taking
6940 the address as making the variable not write-only.
6942 2006-03-02 Nick Clifton <nickc@redhat.com>
6944 * config.gcc (default_use_cxa_atexit): Extend the description of
6945 this configure variable. Set its default value to "yes" for
6946 Linux, NetBSD and ELF targets on the assumption that they will
6947 use C libraries with the __cxa_atexit function.
6949 2006-03-02 Ben Elliston <bje@au.ibm.com>
6951 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6952 parameter as unused to suppress a build warning.
6954 2006-03-02 Ben Elliston <bje@au.ibm.com>
6956 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6959 2006-03-01 Roger Sayle <roger@eyesopen.com>
6962 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6963 declared name, the weak reference name, and the typeof name.
6964 (__gthrw): Avoid expanding the declared name suffix.
6965 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6967 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6969 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6971 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6972 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6973 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6974 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6975 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6976 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6977 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6978 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6979 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6980 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6981 (DW_END_default, DW_END_big, DW_END_little): New.
6982 (DW_END_lo_user, DW_END_hi_user): Define.
6983 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6984 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6985 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6988 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6990 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6992 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6994 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6996 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6998 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6999 to 'symbol_mem_tag'.
7001 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7004 2006-03-01 Roger Sayle <roger@eyesopen.com>
7006 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7008 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7011 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7012 MACHO_DYNAMIC_NO_PIC_P.
7013 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7015 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7018 * config/darwin-protos.h (darwin_asm_output_anchor):
7020 * config/darwin-sections.def (cstring_section):
7021 Add SECTION_MERGE to the flags.
7022 (literal4_section): Likewise.
7023 (literal8_section): Likewise.
7024 (objc_selector_refs_section): Likewise.
7025 (objc_cls_refs_section): Likewise.
7026 * config/darwin.c (darwin_asm_output_anchor): New
7028 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7030 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7032 Fix PR tree-optimization/26443
7033 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7034 to todo and PROP_tmt_usage to properties_destroyed.
7035 * tree-ssa-ccp.c (pass_ccp): Ditto.
7036 (pass_store_ccp): Ditto.
7037 * tree-ssa-dom.c (pass_dominator): Ditto.
7039 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7041 * tree-ssa-operands.c: Cleanup whitespace.
7042 (get_asm_expr_operands): Move before first invocation.
7043 (get_indirect_ref_operands): Likewise.
7044 (get_tmr_operands): Likewise.
7045 (get_call_expr_operands): Likewise.
7046 (append_def): Likewise.
7047 (append_use): Likewise.
7048 (append_v_may_def): Likewise.
7049 (append_v_must_def): Likewise.
7050 (add_call_clobber_ops): Likewise.
7051 (add_call_read_ops): Likewise.
7052 (add_stmt_operand): Likewise.
7053 (add_virtual_operand): Likewise.
7054 (build_ssa_operands): Likewise.
7056 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7061 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7062 with a call expr to ...
7063 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7065 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7067 * tree-vrp.c (extract_range_from_assert): Remove special
7068 handling for types with super-types.
7070 2006-03-01 Ben Elliston <bje@au.ibm.com>
7072 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7073 and powerpc64-*-linux* configurations.
7074 * config/t-dfprules: New file.
7076 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7077 Compile dfp-bit.c from the source directory using -DWIDTH and
7078 $DFP_CFLAGS to control the compilation of that file, rather than
7079 generating width-specific versions in the build directory.
7080 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7081 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7083 2006-02-28 Zack Weinberg <zackw@panix.com>
7085 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7088 2006-02-28 Eric Christopher <echristo@apple.com>
7090 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7091 Set up IN_LIBGCC definition of TARGET_64BIT.
7092 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7094 2006-02-28 Roger Sayle <roger@eyesopen.com>
7097 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7098 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7099 cases via the construction of "expr != 0".
7101 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7103 * alias.c (alias_invariant, alias_invariant_size): Remove.
7104 (record_base_value): Remove.
7105 (memrefs_conflict_p): Don't look at alias_invariant.
7106 (end_alias_analysis): Don't free it.
7107 * alias.h (record_base_value): Remove prototype.
7109 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7110 Adam Nemet <anemet@caviumnetworks.com>
7112 * rtl.h (truncated_to_mode): Declare it.
7113 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7114 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7115 (RTL_HOOKS_INITIALIZER): Include it.
7116 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7117 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7118 reg_truncated_to_mode.
7119 * rtlanal.c (truncated_to_mode): Define it.
7120 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7122 2006-02-28 Jeff Law <law@redhat.com>
7124 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7125 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7126 the range allowed by TYPE_PRECISION.
7128 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7130 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7132 PR tree-optimization/26419
7133 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7136 2006-02-27 Zack Weinberg <zackw@panix.com>
7138 * doc/md.texi: Fix typo in previous change.
7140 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7144 2006-02-27 Zack Weinberg <zackw@panix.com>
7146 * rtl.def (define_constraint, define_register_constraint)
7147 (define_memory_constraint, define_address_constraint): New MD forms.
7148 * gensupport.c (process_rtx): Put define_constraint etc on the
7150 * genpreds.c (process_define_predicate): Adjust comment. Validate
7151 the name, and call validate_exp to validate the expression.
7152 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7153 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7154 all callers changed.
7155 (validate_exp, needs_variable, struct constraint_data)
7156 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7157 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7158 (const_dbl_constraints, constraint_max_namelen)
7159 (have_register_constraints, have_memory_constraints)
7160 (have_address_constraints, have_address_constraints)
7161 (have_extra_constraints, have_const_int_constraints)
7162 (have_const_dbl_constraints, mangle, add_constraint)
7163 (process_define_constraint, process_define_register_constraint)
7164 (write_enum_constraint_num, write_lookup_constraint)
7165 (write_insn_constraint_len, write_regclass_for_constraint)
7166 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7167 (write_insn_extra_memory_constraint)
7168 (write_insn_extra_address_constraint)
7169 (write_satisfies_constraint_fns): New.
7170 (write_tm_preds_h): If we have new-style constraint definitions,
7171 prototype the functions generated from them, and define the
7172 old constraint interface (still used by generic code) in terms of
7174 (write_insn_preds_c): If we have new-style constraint definitions,
7175 generate all relevant functions from those definitions.
7176 (main): Handle define_constraint etc.
7177 * genoutput.c (struct constraint_data, indep_constraints)
7178 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7179 (mdep_constraint_len): New data structures and functions, defined
7180 #ifdef USE_MD_CONSTRAINTS.
7181 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7182 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7183 use new logic to validate operand constraints against constraint
7185 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7187 * defaults.h: If none of the old-style constraint macros are
7188 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7189 old-style macros; and poison REG_CLASS_FROM_LETTER,
7190 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7192 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7193 * doc/md.texi: Document new constraint-definition mechanism and the
7194 C interface it provides. Remove references to old mechanism
7195 elsewhere in the document.
7196 (Machine Constraints): Use pathnames relative to gcc directory,
7197 i.e. config/ARCH/FILE. Change i386 section to refer to
7198 config/i386/predicates.md; update that section to match docstrings.
7199 * doc/tm.texi: Move all documentation of the old constraint-
7200 definition macros to their own section, clearly mark as obsolete.
7202 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7203 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7205 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7206 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7207 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7209 (splits and peepholes): Use satisfies_constraint_*.
7210 * config/i386/i386.c (memory_address_length)
7211 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7213 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7215 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7216 scalar operation to be put back into the loop.
7218 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7221 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7222 (extract_cie_info): Handle S flag in augmentation string.
7223 (execute_cfa_program): If context->signal_frame, execute also
7224 fs->pc == context->ra instructions.
7225 (uw_frame_state_for): If context->signal_frame, don't subtract one
7226 from context->ra to find FDE.
7227 (uw_update_context_1): Set context->signal_frame to
7229 (_Unwind_GetIPInfo): New function.
7230 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7231 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7233 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7234 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7235 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7236 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7237 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7238 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7239 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7240 x86_64_fallback_frame_state): Set fs->signal_frame.
7241 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7242 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7243 (frob_update_context): Likewise. Workaround missing S flag in
7244 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7245 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7246 Remove the psw_addr + 1 hack.
7248 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7250 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7251 with aggregates here.
7252 (find_func_aliases): Remove code for &<aggregate> from here.
7254 2006-02-26 Roger Sayle <roger@eyesopen.com>
7256 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7257 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7258 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7261 2006-02-26 Roger Sayle <roger@eyesopen.com>
7264 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7266 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7268 * opts.c (decode_options): Do not handle flag_strength_reduce.
7269 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7270 and OPT_fstrength_reduce.
7271 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7272 flag_prefetch_loop_arrays for being nonzero.
7273 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7275 (fprefetch-loop-arrays-rtl): Removed.
7276 (flag_prefetch_loop_arrays): Do not specify the value.
7278 * doc/passes.texi: Update documentation of loop optimizer
7280 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7281 -frerun-loop-opt): Remove.
7283 2006-02-26 Richard Guenther <rguenther@suse.de>
7285 PR tree-optimization/26421
7286 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7287 in function calls that are ADDR_EXPRs as using the whole structure.
7289 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7291 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7292 * tree-pass.h (pass_loop_optimize): Remove.
7293 * passes.c (pass_loop_optimize): Never run it.
7294 * toplev.c (backend_init): Don't call init_loop.
7295 * opts.c (flag_loop_optimize_set): Remove.
7296 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7297 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7298 the old RTL loop optimizer when profiling enabled.
7299 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7300 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7301 pre-headers for the sake of the old RTL loop optimizer.
7302 * Makefile.in: Remove all references to loop.o.
7304 * doc/invoke.texi: Remove all references to -floop-optimize
7305 and -frerun-loop-opt.
7307 2006-02-26 Zack Weinberg <zackw@panix.com>
7309 * doc/md.texi (Machine Constraints): Refer to all files with paths
7310 relative to gcc directory (i.e. config/CPU/file). Add missing
7311 @table @code ... @end table to M32C subsection.
7313 2006-02-26 Roger Sayle <roger@eyesopen.com>
7315 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7317 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7319 2006-02-26 Roger Sayle <roger@eyesopen.com>
7320 James A. Morrison <phython@gcc.gnu.org>
7323 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7324 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7325 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7326 signedness of the shift operation.
7328 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7330 PR tree-optimization/26359
7331 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7333 2006-02-25 Roger Sayle <roger@eyesopen.com>
7335 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7336 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7337 as X == 0, and some symmetry related transformations.
7338 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7340 2006-02-25 Roger Sayle <roger@eyesopen.com>
7343 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7344 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7345 symmetry related transformations. Fold (X^C1) == C2 as
7348 2006-02-25 Juergen Weigert <jw@suse.de>
7349 Richard Guenther <rguenther@suse.de>
7351 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7353 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7355 * combine.c (gen_lowpart_or_truncate): Call
7356 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7358 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7360 * doc/invoke.texi: Move -fopenmp description to "Options for
7362 Remove reference to -lgomp.
7364 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7366 * doc/install.texi: Require GNU tar version 1.14.
7368 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7370 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7371 * doc/invoke.texi (C++ Dialect Options): Document
7372 -fno-use-cxa-get-exception-ptr.
7373 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7374 * configure: Regenerate.
7375 * c.opt (fuse-cxa-get-exception-ptr): New.
7376 * c-opts.c (c_common_handle_option): Handle
7377 OPT_fuse_cxa_get_exception_ptr.
7378 * c-common.c (flag_use_cxa_atexit): Update documentation.
7379 (flag_use_cxa_get_exception_ptr): New.
7380 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7381 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7383 (C_COMMON_OVERRIDE_OPTIONS): New.
7385 2006-02-24 Roger Sayle <roger@eyesopen.com>
7388 * combine.c (try_combine): Explicitly check whether GET_CODE is
7389 a SET or a CLOBBER, instead on checking that it isn't a USE.
7391 2006-02-24 Roger Sayle <roger@eyesopen.com>
7393 * fold-const.c (fold_comparison): New subroutine of fold_binary
7394 containing transformations common to both the equality and
7395 ordering relational operators, factored out of fold_binary.
7396 (fold_binary): Separate out the equality operators (EQ_EXPR
7397 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7398 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7399 transformations common to both.
7400 (fold_div_compare): Fix latent bugs in the previously unreachable
7401 LT_EXPR and GE_EXPR cases.
7403 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7405 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7406 decl libname for clog to __clog on AIX.
7408 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7410 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7413 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7414 output traceback table for thunks. Localise rs6000_stack_info call.
7416 2006-02-23 Roger Sayle <roger@eyesopen.com>
7417 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7419 * gthr-posix.h (__gthrw): Fix typo in comment.
7421 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7423 * doc/cpp.texi (Character sets): Document that we do support
7424 input files to be in any character set.
7426 2006-02-23 Jeff Law <law@redhat.com>
7428 * tree.h (PHI_ARG_NONZERO): Remove.
7429 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7430 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7431 node to the new node.
7433 PR tree-optimization/26425
7434 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7435 min/max, then assume its varying.
7437 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7439 PR rtl-optimization/26316
7440 * rtlanal.c (enum may_trap_p_flags): New.
7441 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7442 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7443 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7444 (may_trap_after_code_motion_p): New function.
7445 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7446 (find_invariant_insn): Use may_trap_after_code_motion_p.
7447 * rtl.h (may_trap_after_code_motion_p): Declare.
7449 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7451 * emit-rtl.c (immed_double_const): Cleanup.
7453 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7455 Fix PR tree-optimization/26376
7456 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7459 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7462 * gimplify.c (omp_add_variable): Guard variable size decl test with
7463 DECL_SIZE (decl) check.
7465 2006-02-23 Richard Guenther <rguenther@suse.de>
7468 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7469 like aggregate types.
7471 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7473 * configure.ac: Add --with{,out}-long-double-128 configure option.
7474 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7475 * configure: Rebuilt.
7476 * config.in: Rebuilt.
7477 * doc/install.texi (Options specification): Document
7478 --with-long-double-128.
7480 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7481 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7482 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7483 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7485 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7487 * config/s390/s390.c (override_options): Handle
7488 TARGET_DEFAULT_LONG_DOUBLE_128.
7490 * config/alpha/alpha.c (override_options): Handle
7491 TARGET_DEFAULT_LONG_DOUBLE_128.
7493 * config/sparc/sparc.c (sparc_override_options): Handle
7494 TARGET_DEFAULT_LONG_DOUBLE_128.
7496 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7498 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7499 (real-install-headers-tar, real-install-headers-cpio)
7500 (real-install-headers-cp): New targets.
7502 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7504 * tree.h (variable_section): Delete.
7505 * varasm.c (variable_section): Delete.
7507 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7509 * install.texi: Add notes on install.texi2html.
7510 (Building in parallel): Do not use footnotes.
7512 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7515 * doc/install.texi (Configuration): Document --disable-libgomp.
7517 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7519 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7521 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7523 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7524 (vec_extractv2df_0_sse): New.
7526 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7528 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7529 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7530 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7531 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7532 to the result of the expression.
7533 (def_cfa_1): Adjust.
7534 (frame_pointer_cfa_offset): Rename to...
7535 (frame_pointer_fb_offset): ... this. Adjust all uses.
7536 (convert_cfa_to_loc_list): Rename to...
7537 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7538 Pass it on to build_cfa_loc.
7539 (compute_frame_pointer_to_cfa_displacement): Rename to...
7540 (compute_frame_pointer_to_fb_displacement): ... this. New
7541 offset parameter. Use it in computation.
7542 (gen_subprogram_die): Compute cfa_fb_offset with the new
7543 macro, and use it to compute the fb loc list and the
7546 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7548 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7549 replaced with register_operand.
7550 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7551 non-DREG is expensive.
7552 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7553 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7556 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7558 * doc/install.texi2html: Use set -e.
7560 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7562 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7563 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7564 * doc/invoke.texi (-fshared-data): Delete.
7565 * common.opt (fshared-data): Delete.
7566 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7567 (assemble_static_space): Remove #if 0 code.
7568 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7569 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7570 * config/cris/cris.h: Remove FIXME.
7572 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7574 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7577 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7580 * combine.c (simplify_shift_const_1): Disable nested shifts
7581 optimization for vector shifts.
7583 2006-02-20 Roger Sayle <roger@eyesopen.com>
7585 PR tree-optimization/26361
7586 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7587 of unsigned integer types.
7589 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7591 * tree-chrec.c (eq_evolutions_p): New.
7592 * tree-chrec.h (eq_evolutions_p): Declared.
7593 * tree-data-ref.c: Fix formatting.
7594 (datadep_stats, dependence_stats): New.
7596 (print_direction_vector): New.
7597 (dump_data_dependence_relation): Use print_direction_vector.
7598 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7599 (compute_subscript_distance): Static.
7600 (initialize_data_dependence_relation): Static. Get the number
7601 of loops surrounding the references from the callers, and initialize
7602 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7603 base_object_differ_p analyzers.
7604 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7605 compute_overlap_steps_for_affine_1_2,
7606 analyze_subscript_affine_affine): Count the classified dependences.
7607 Print a message when a test failed.
7608 (can_use_analyze_subscript_affine_affine): New.
7609 (analyze_siv_subscript): Compute the data dependences on symbolic
7610 scevs that verify can_use_analyze_subscript_affine_affine.
7611 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7612 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7613 Handle symbolic scevs.
7614 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7616 (subscript_dependence_tester): Moved...
7617 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7618 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7619 DDR_SIZE_VECT instead of getting it in parameter.
7620 (subscript_dependence_tester): ... here. Take as a parameter
7621 loop_nest_depth. Call build_classic_dist_vector and
7622 build_classic_dir_vector.
7623 (compute_affine_dependence): Update subscript_dependence_tester
7624 parameters. Update datadep_stats counters. Call
7625 compute_subscript_distance.
7626 (compute_self_dependence): Save the dist and dir vectors. Call
7627 compute_subscript_distance.
7628 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7629 (compute_all_dependences): Reorder parameters as they were before
7630 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7631 compute_subscript_distance. Update the use of
7632 compute_affine_dependence and initialize_data_dependence_relation.
7633 (find_data_references_in_loop): Handle COMPONENT_REF.
7634 (compute_data_dependences_for_loop): Initialize dependence_stats.
7635 Don't call build_classic_dist_vector and build_classic_dir_vector.
7636 Update the parameters of initialize_data_dependence_relation and
7637 compute_all_dependences. Print the statistics from datadep_stats.
7638 (analyze_all_data_dependences): Static. Not used until the pass for
7639 checking the data dependences is contributed.
7640 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7641 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7642 (initialize_data_dependence_relation, compute_affine_dependence,
7643 analyze_all_data_dependences, compute_subscript_distance): Removed.
7644 (print_direction_vector): New.
7645 * lambda.h (gcd): ... here.
7646 (lambda_vector_gcd): Moved here from gcd_vector.
7647 * lambda-code.c (gcd, gcd_vector): Removed.
7648 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7649 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7651 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7653 * ipa-type-escape.c: Tidy some comments and white space.
7654 * tree-ssa-operands.c: Likewise.
7656 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7659 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7660 (dump_decl_name): Do not walk the decl tree chains.
7661 * tree-pass.h (TDF_CHAIN): Remove.
7663 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7665 * Makefile.in (C): Remove
7667 (.PHONY): Remove C and PROTO
7669 2006-02-20 Roger Sayle <roger@eyesopen.com>
7672 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7673 deprecated CHAR_TYPE tree code.
7675 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7677 * configure.ac (target_list): Add install-info, dvi, html.
7678 * configure: Regenerate.
7680 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7681 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7682 treelang/Make-lang.in: Do not use double-colon rules.
7684 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7686 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7687 (TMT_USED_ALONE): New macro.
7688 * tree-pass.h (PROP_tmt_usage): New property.
7689 (TODO_update_tmt_usage): New todo.
7690 * tree-ssa-alias.c (updating_used_alone): New variable.
7691 (recalculate_used_alone): New function.
7692 (compute_may_aliases): Set updating_used_alone, call
7693 recalculate_used_alone.
7694 * tree-sra.c (pass_sra): Note that this pass destroys
7695 PROP_tmt_usage, and add TODO_update_tmt_usage.
7696 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7697 * tree-flow.h (updating_used_alone): Prototype.
7698 (recalculate_used_alone): Ditto.
7699 * passes.c (execute_todo): Add code to set updating_used_alone,
7700 and call recalculate.
7701 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7702 for clobber if used alone, and add assert to verify used_alone
7705 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7707 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7708 for non tls symbols added.
7709 (legitimize_address): Do nothing for PLUS expressions if one of the
7710 addends is a tls symbol reference.
7712 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7716 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7718 * Makefile.in (BOOTSTRAPPING): New.
7719 (quickstrap): New definition if BOOTSTRAPPING=yes.
7721 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7722 * configure.ac: Substitute all_selected_languages with the languages
7723 that were configured. For all the other variables except
7724 lang_specs_files, include all the languages in the tree.
7725 * configure: Regenerate.
7727 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7728 if there is one. Run the commands to run fixincludes in the same
7731 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7732 * doc/install.texi: Document exact conventions for searching target tools.
7733 Document --with-build-time-tools. Document toplevel bootstrap. Document
7734 something more about building an Ada cross-compiler. Don't list GNU Make
7735 requirements which affect all platforms.
7737 2006-02-19 Roger Sayle <roger@eyesopen.com>
7740 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7741 only equivalent if the have both the same mode and precision.
7743 2006-02-20 Ben Elliston <bje@au.ibm.com>
7745 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7747 2006-02-19 Roger Sayle <roger@eyesopen.com>
7748 Steven Bosscher <stevenb.gcc@gmail.com>
7750 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7751 constant pool references to identify stack mode constants.
7752 * rtlanal.c (constant_pool_constant_p): New predicate to check
7753 whether operand is a floating point constant in the pool.
7754 * rtl.h (constant_pool_constant_p): Prototype here.
7755 * loop.c (scan_loop): Avoid hoisting constants from the constant
7756 pool on STACK_REGS targets.
7757 (load_mems): Likewise.
7758 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7759 loads into x87 registers expensive in terms of register pressure.
7761 2006-02-19 Roger Sayle <roger@eyesopen.com>
7763 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7764 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7766 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7768 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7769 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7771 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7773 * doc/invoke.texi: Document -fipa-pta.
7774 * common.opt: Add ipa-pta option.
7775 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7776 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7777 (do_ds_constraint): Ditto.
7778 (get_constraint_for): Only add to referenced_vars if
7779 referenced_vars exists.
7780 (insert_into_field_list): Rewrite to do this unsorted.
7781 (insert_into_field_list_sorted): Rename old insert_into_field_list
7783 (create_function_info_for): Use insert_into_field_list_sorted.
7784 (create_variable_info_for): Rewrite so it uses unsorted version,
7785 since the field list is sorted.
7786 (intra_create_variable_infos): Only add to referenced_vars if
7787 referenced_vars exists.
7788 (ipa_pta_execute): Init heapvars, and delete when done.
7789 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7791 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7793 * doc/install.texi: Add missing `@samp'.
7795 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7797 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7800 2006-02-18 Mark Wielaard <mark@klomp.org>
7802 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7803 who added new 4.1 features, bug fixes and integration support.
7805 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7808 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7811 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7813 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7814 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7815 (copy_insn_1): Likewise. Don't copy each field individually.
7817 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7819 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7820 * rtl.c (rtx_size): Rename variable to...
7821 (rtx_code_size): ...this.
7822 (rtx_size): New function.
7823 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7824 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7826 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7827 * rtl.h (rtx_code_size): New variable.
7828 (rtx_size): Change from a variable to a function.
7829 (RTX_SIZE): Rename to...
7830 (RTX_CODE_SIZE): ...this.
7833 PR tree-optimization/17106
7834 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7835 (Anchored Addresses): New section.
7836 * doc/invoke.texi (-fsection-anchors): Document.
7837 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7838 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7839 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7840 * hooks.c (hook_bool_mode_rtx_false): New function.
7841 * hooks.h (hook_bool_mode_rtx_false): Declare.
7842 * gengtype.c (create_optional_field): New function.
7843 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7844 SYMBOL_REF_IN_BLOCK_P is true.
7845 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7846 (min_anchor_offset, max_anchor_offset): Likewise.
7847 (use_anchors_for_symbol_p): New hook.
7848 * toplev.c (compile_file): Call output_object_blocks.
7849 (target_supports_section_anchors_p): New function.
7850 (process_options): Check that -fsection-anchors is only used on
7851 targets that support it and when -funit-at-a-time is in effect.
7852 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7853 if the decl doesn't have one.
7854 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7855 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7856 of force_const_mem through use_anchored_address.
7857 (expand_expr_constant): New function.
7858 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7859 calling expand_expr for INDIRECT_REF.
7860 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7861 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7862 * expr.h (use_anchored_address): Declare.
7863 * loop-unroll.c: Don't declare rtx vectors here.
7864 * explow.c: Include output.h.
7865 (validize_mem): Call use_anchored_address.
7866 (use_anchored_address): New function.
7867 * common.opt (-fsection-anchors): New switch.
7868 * varasm.c (object_block_htab, anchor_labelno): New variables.
7869 (hash_section, object_block_entry_eq, object_block_entry_hash)
7870 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7871 (use_blocks_for_decl_p, change_symbol_section): New functions.
7872 (get_variable_section): New function, split out from assemble_variable.
7873 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7874 use_blocks_for_decl_p say so. Use change_symbol_section if the
7875 symbol has already been created.
7876 (assemble_variable_contents): New function, split out from...
7877 (assemble_variable): ...here. Don't output any code for
7878 block symbols; just pass them to place_block_symbol.
7879 Use get_variable_section and assemble_variable_contents.
7880 (get_constant_alignment, get_constant_section, get_constant_size): New
7881 functions, split from output_constant_def_contents.
7882 (build_constant_desc): Create a block symbol if use_object_blocks_p
7883 says so. Or into SYMBOL_REF_FLAGS.
7884 (assemble_constant_contents): New function, split from...
7885 (output_constant_def_contents): ...here. Don't output any code
7886 for block symbols; just pass them to place_section_symbol.
7887 Use get_constant_section and get_constant_alignment.
7888 (force_const_mem): Create a block symbol if use_object_blocks_p and
7889 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7890 (output_constant_pool_1): Add an explicit alignment argument.
7891 Don't switch sections here.
7892 (output_constant_pool): Adjust call to output_constant_pool_1.
7893 Switch sections here instead. Don't output anything for block symbols;
7894 just pass them to place_block_symbol.
7895 (init_varasm_once): Initialize object_block_htab.
7896 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7897 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7898 (place_block_symbol, get_section_anchor, output_object_block)
7899 (output_object_block_htab, output_object_blocks): New functions.
7900 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7901 (TARGET_ASM_OUT): Include it.
7902 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7903 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7904 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7905 (TARGET_INITIALIZER): Include them.
7906 * rtl.c (rtl_check_failed_block_symbol): New function.
7907 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7908 (block_symbol, object_block): New structures.
7909 (rtx_def): Add a block_symbol field to the union.
7910 (BLOCK_SYMBOL_CHECK): New macro.
7911 (rtl_check_failed_block_symbol): Declare.
7912 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7913 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7914 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7915 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7916 * output.h (output_section_symbols): Declare.
7917 (object_block): Name structure.
7918 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7919 (default_use_anchors_for_symbol_p): Declare.
7920 * Makefile.in (RTL_BASE_H): Add vec.h.
7921 (explow.o): Depend on output.h.
7922 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7923 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7924 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7925 (rs6000_use_blocks_for_constant_p): New function.
7927 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7929 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7931 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7934 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7937 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7939 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7943 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7946 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7947 instead of DECL_REGISTER.
7949 2006-02-18 Olivier Hainque <hainque@adacore.com>
7952 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7954 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7957 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7958 * opth-gen.awk: Handle Var and InverseMask together.
7959 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7960 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7961 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7962 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7964 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7965 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7966 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7967 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7968 LINUX_DYNAMIC_LINKER): Define.
7969 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7970 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7972 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7973 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7974 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7976 (TARGET_C99_FUNCTIONS): Don't define.
7977 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7978 GLIBC_DYNAMIC_LINKER.
7979 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7980 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7981 GLIBC_DYNAMIC_LINKER64): Define.
7982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7983 LINUX_DYNAMIC_LINKER64.
7984 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7986 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7988 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7990 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7991 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7992 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7994 and LINUX_DYNAMIC_LINKER32.
7995 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7997 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7999 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8001 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8002 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8003 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8004 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8005 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8006 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8007 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8008 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8009 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8010 LINUX_DYNAMIC_LINKER): Define.
8011 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8012 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8013 GLIBC_DYNAMIC_LINKER64): Define.
8014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8015 LINUX_DYNAMIC_LINKER64.
8016 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8017 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8018 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8019 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8020 LINUX_DYNAMIC_LINKER): Define.
8021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8022 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8023 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8024 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8025 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8026 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8027 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8028 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8029 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8030 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8032 * doc/invoke.texi (-muclibc): Remove caveat about supported
8035 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8037 * doc/cpp.texi (__TIMESTAMP__): Document.
8039 2006-02-17 Roger Sayle <roger@eyesopen.com>
8042 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8043 C is one less than the width of X (and related transformations).
8044 * simplify-rtx.c (simplify_unary_operation_1): Transform
8045 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8046 depending on STORE_FLAG_VALUE, were C is one less then the
8049 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8051 Fix PR tree-optimization/26341
8052 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8053 about NAME_MEMORY_TAG's.
8055 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8058 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8059 with hardware float support, and software float support. Add fcpy
8060 alternative to hardware patterns. Add alternatives to copy between
8061 general and floating-point registers to the 32-bit pattern.
8062 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8063 secondary reload to load a QI or HI mode constant into a floating
8065 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8066 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8068 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8071 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8073 (load_macho_picbase_di): Likewise.
8075 2006-02-16 Jeff Law <law@redhat.com>
8077 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8078 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8079 (ssa_name_nonzero_p): Likewise.
8080 (get_value_range): Return NULL if VRP is not running.
8081 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8082 VRP routines do not discover a range.
8083 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8084 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8085 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8086 (tree_expr_nonnegative_p): Similarly.
8087 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8088 (restore_nonzero_vars_to_original_value): Remove.
8089 (unsafe_associative_fp_binop): Remove.
8090 (tree_ssa_dominator_optimize): Remove initialization and
8091 finalization of nonzero_vars and nonzero_vars_stack.
8092 (dom_opt_initialize_block): No longer push marker on
8094 (dom_opt_finalize_block): No longer call
8095 restore_nonzero_vars_to_original_value.
8096 (record_equivalences_from_phis): No longer look for
8097 nonzero PHI arguments.
8098 (cprop_into_successor_phis): No longer propagate nonzero
8099 property into PHI arguments. Lose unused argument. Caller
8101 (record_equivalences_from_stmt): No longer record nonzero
8102 values for SSA_NAMEs.
8103 (lookup_avail_expr): No longer use nonzero_vars.
8105 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8106 for sizetype when sizetype is unsigned.
8108 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8110 PR rtl-optimization/25603
8111 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8112 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8113 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8114 with new meaning of SETS.
8116 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8121 * config/linux.opt: New file.
8122 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8123 LINUX_DYNAMIC_LINKER): Define.
8124 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8125 * config.gcc (*-*-linux*): Define extra_options.
8126 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8127 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8128 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8129 GLIBC_DYNAMIC_LINKER.
8130 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8131 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8132 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8134 * doc/invoke.texi (GNU/Linux Options): New section.
8136 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8138 * config/sparc/sparc.md (setjmp): Rewrite.
8139 (setjmp_32): Delete.
8140 (setjmp_64): Likewise.
8142 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8144 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8147 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8149 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8152 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8154 PR rtl-optimization/26296
8155 * Makefile.in (loop-invariant.c): Add except.h dependency.
8156 * loop-invariant.c: Include except.h.
8157 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8159 2005-02-16 Paul Brook <paul@codesourcery.com>
8161 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8164 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8166 PR rtl-optimization/25636
8167 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8168 when deciding whether an insn is an initializing insn.
8170 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8172 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8173 (tree_code_size): Ditto.
8174 * tree.h (struct tree_memory_tag): Remove parent_var.
8175 (struct tree_struct_field_tag): New.
8178 (union tree_node): Add sft member.
8179 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8181 (create_sft): Add size and offset argument, set SFT_OFFSET and
8183 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8184 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8185 * tree-flow-inline.h (get_subvar_at): Update for
8186 SFT_OFFSET/SFT_SIZE.
8187 (var_can_have_subvars): Ditto.
8188 (overlap_subvar): Ditto.
8189 * print-tree.c (print_node): Print out interesting things for
8191 * tree-flow.h (struct subvar): Remove offset and size members.
8192 * tree-ssa-operands.c (get_expr_operands): Update for
8193 get_indirect_ref_operands changes.
8194 (get_indirect_ref_operands): Call add_virtual_operand instead of
8195 add_stmt_operand. Only recurse on base var if requested.
8196 (access_can_touch_variable): New function.
8197 (add_stmt_operand): Split virtual operand handling into ...
8198 (add_virtual_operand): Here. Add offset, size, and for_clobber
8199 arguments. Prune alias sets.
8200 (add_call_clobber_ops): Call add_virtual_operand.
8202 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8205 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8207 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8208 than TREE_CODE as index into omp_clause_num_ops array.
8210 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8212 PR rtl-optimization/26184
8213 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8215 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8216 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8217 must_precede, must_follow and tobe_scheduled.
8220 * opts.c (common_handle_option): Free new_option pointer.
8221 * df-core.c (df_analyze): Free postorder pointer.
8223 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8225 * Makefile.in: Fix the examples about the use of stamps
8227 2006-02-15 Michael Matz <matz@suse.de>
8231 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8232 influenced by maximum_field_alignment or DECL_PACKED.
8233 (update_alignment_for_field): Ditto.
8234 (place_field): Ditto.
8235 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8238 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8240 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8241 (debug_flow_info): Pass it.
8242 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8243 * bb-reorder.c (reorder_basic_blocks): Likewise.
8244 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8245 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8246 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8247 * gcse.c (gcse_main, bypass_jumps): Likewise.
8248 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8249 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8250 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8251 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8252 * rtl.h (dump_flow_info): Adjust prototype.
8253 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8254 * var-tracking.c (variable_tracking_main): Likewise.
8255 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8256 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8259 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8261 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8264 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8266 PR tree-optimization/26209
8267 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8268 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8270 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8272 2006-02-14 Roger Sayle <roger@eyesopen.com>
8275 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8276 (X,Y) and the corresponding symmetry related transformations.
8277 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8278 (X,Y) and its symmetry related transformations.
8280 2006-02-14 Roger Sayle <roger@eyesopen.com>
8282 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8285 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8287 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8289 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8292 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8293 support COMDAT group.
8294 * configure: Regenerate.
8296 2006-02-14 Roger Sayle <roger@eyesopen.com>
8301 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8303 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8305 Fix PR tree-optimization/26260
8307 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8309 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8310 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8311 * tree-ssa-structalias.c (create_variable_info_for): Use
8312 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8314 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8316 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8318 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8319 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8320 of the ending condition.
8321 * tree-ssa-loop-manip.c: Include params.h.
8322 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8323 tree_unroll_loop): New functions.
8324 * tree-pass.h (pass_loop_prefetch): Declare.
8325 * loop.c (rest_of_handle_loop_optimize): Test for
8326 -fprefetch-loop-arrays-rtl.
8327 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8328 * timevar.def (TV_TREE_PREFETCH): New timevar.
8329 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8330 pass_loop_prefetch): New.
8331 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8332 (cleanup_tree_cfg_loop): Call scev_reset.
8333 * common.opt (fprefetch-loop-arrays-rtl): Add.
8334 * tree-ssa-loop-prefetch.c: New file.
8335 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8336 (new_temp_expr_table): Initialize expr_vars.
8337 (free_temp_expr_table): Cleanup expr_vars.
8338 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8339 expressions from being merged into one.
8340 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8341 (struct tree_niter_desc): Add control, bound and cmp fields.
8342 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8344 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8345 (tree-cfgcleanup.o): Add SCEV_H dependency.
8346 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8347 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8349 2006-02-14 Richard Guenther <rguenther@suse.de>
8351 PR tree-optimization/26258
8352 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8353 in PHI argument processing.
8355 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8357 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8358 new expression in the requested machine mode.
8360 2006-02-13 Roger Sayle <roger@eyesopen.com>
8362 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8363 directly, instead let do_compare_rtx_and_jump handle this for us.
8364 * expr.c (expand_expr_real_1): Likewise.
8365 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8366 before do_jump_by_parts_greater.
8367 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8368 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8370 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8372 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8374 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8376 PR rtl-optimization/26235
8377 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8378 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8381 2006-02-13 Jeff Law <law@redhat.com>
8383 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8386 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8389 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8390 twice if decl is a builtin. When trying again, call get_callee_fndecl
8391 first to verify it is still a builtin.
8393 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8395 * dwarf2out.c (base_type_die): Don't add AT_name here.
8396 (subrange_type_die): Don't add AT_name here.
8397 (modified_type_die): Rearrange code flow. Do add AT_name here.
8399 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8401 PR rtl-optimization/26247
8402 PR rtl-optimization/26248
8403 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8405 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8407 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8408 * config/fixtfdi.c: Likewise.
8409 * config/fixunstfdi.c: Likewise.
8410 * config/floatditf.c: Likewise.
8412 2006-02-13 Roger Sayle <roger@eyesopen.com>
8415 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8416 into (X,C2) if C1 is a subset of the bits of C2. Transform
8417 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8419 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8421 2006-02-13 Josh Conner <jconner@apple.com>
8424 * varasm.c (function_section): Check for section name before
8425 calling select_section on targets that define
8426 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8427 unlikely_text_section instead of hot_function_section if
8428 first_function_block_is_cold.
8430 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8433 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8435 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8437 PR rtl-optimization/26222
8438 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8439 after tree->rtl expansion.
8440 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8441 before passing it to emit_move_insn.
8443 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8445 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8447 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8448 Clarify documentation.
8449 * c-common.h (warn_write_strings): Remove.
8450 * c-common.c (warn_write_strings): Likewise.
8451 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8454 2006-02-12 Roger Sayle <roger@eyesopen.com>
8457 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8458 (do_jump_parts_zero_rtx): New function renamed from
8459 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8460 (do_jump_parts_equality_rtx): New function split out from
8461 do_jump_parts_equality. Old implementation renamed as above.
8462 Call do_jump_parts_zero_rtx if either operand is zero.
8463 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8464 do all of the heavy lifting.
8465 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8466 calling either do_jump_by_parts_greater_rtx or
8467 do_jump_by_parts_equality_rtx.
8468 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8469 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8470 moved to do_compare_rtx_and_jump, call it directly.
8471 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8472 mode argument. Call do_compare_rtx_and_jump.
8473 (emit_case_nodes): Update calls to do_jump_if_equal.
8475 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8477 PR rtl-optimization/26225
8478 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8480 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8482 PR rtl-optimization/26232
8483 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8485 2006-02-11 Jason Merrill <jason@redhat.com>
8488 * tree-inline.c (declare_return_variable): Just don't use the
8489 modify target if it's a gimple complex reg and the return slot
8492 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8494 * doc/contrib.texi: Update my entry.
8496 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8498 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8500 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8502 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8505 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8507 * doc/invoke.texi (-floop-optimize2): Removed.
8508 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8509 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8510 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8511 * common.opt (floop-optimize2): Removed.
8512 (fmove-loop-invariants): Enabled by default.
8514 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8516 * tree-if-conv.c (combine_blocks): Free the result of
8517 get_loop_exit_edges.
8519 2006-02-10 Jeff Law <law@redhat.com>
8521 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8523 PR tree-optimization/26213
8524 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8525 loop trying to follow SSA_NAME_VALUE chains.
8527 2006-02-10 Richard Guenther <rguenther@suse.de>
8529 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8530 deal with structures that end in implicitly variable sized arrays.
8532 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8534 PR rtl-optimization/24762
8535 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8538 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8540 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8541 (struct ivopts_data): Add regs_used field.
8542 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8543 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8544 instead of loop_data->regs_used;
8545 (free_loop_data): Do not free aux fields for loops.
8546 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8547 and tree_ssa_iv_optimize_finalize.
8549 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8551 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8553 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8556 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8557 computing the effective result type.
8559 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8562 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8563 (tree_overlaps_hard_reg_set): Declare.
8564 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8565 type and signature to match function type expected by walk_tree.
8566 (tree_overlaps_hard_reg_set): New function.
8567 (decl_conflicts_with_clobbers_p): Rename to:
8568 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8569 Use tree_overlaps_hard_reg_set. Changed caller.
8570 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8571 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8572 * cris.c (cris_md_asm_clobbers): Likewise.
8574 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8576 * reload1.c (emit_input_reload_insns): Delete code that tries to
8577 inherit using find_equiv_reg.
8579 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8581 * c-common.h (flag_const_strings): Don't declare.
8582 * c-common.c (flag_const_strings): Remove.
8583 * c.opt (fconst_strings): Remove.
8584 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8585 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8586 (c_common_init_options): Don't set flag_const_strings.
8587 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8589 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8591 * arm.md (tlobits_cbranch): New pattern.
8592 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8593 testing a single bit.
8595 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8598 * tree-ssa-pre.c (create_component_ref_by_pieces):
8599 Handle RETURN_DECL like VAR_DECL.
8601 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8604 * fold-const.c (fold_indirect_ref_1): Fold
8605 "*(foo *)&complexfoo" to "__real__ complexfoo"
8606 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8608 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8610 * tree-flow-inline.h (var_can_have_subvars):
8611 Volatile variables should not have subvariables.
8613 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8616 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8617 multiplying unsigned values.
8620 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8622 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8624 2006-02-08 Jason Merrill <jason@redhat.com>
8627 * tree.def: Elaborate on difference from MODIFY_EXPR.
8628 * doc/c-tree.texi (INIT_EXPR): Likewise.
8629 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8630 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8631 (gimplify_target_expr): Likewise.
8632 (gimplify_cond_expr): Remove target handling.
8633 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8634 (gimplify_expr): Clobber it here.
8635 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8636 Do return slot optimization if we have an INIT_EXPR.
8639 * tree-inline.c (declare_return_variable): Also clear
8640 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8643 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8646 * gimplify.c (gimplify_one_sizepos): Fix typo.
8648 2006-02-08 Jeff Law <law@redhat.com>
8650 PR tree-optimization/21417
8651 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8652 across a backedge if the control statement at the end of the
8653 block is data dependent on other statements in the same block.
8654 (record_temporary_equivalences_from_stmts): Remove over-conservative
8655 test for threading across backedges.
8657 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8658 control statement, handle all three special cases in the same
8659 manner as they all have the same desired solution. No longer
8660 special case edge flag updating when the post dominator is
8663 2006-02-08 Roger Sayle <roger@eyesopen.com>
8665 * tree.def (CHAR_TYPE): Remove.
8666 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8667 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8668 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8669 (gen_string_type_die): Delete unreachable function.
8671 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8672 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8673 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8674 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8675 * builtins.c (type_to_class): Likewise.
8676 * fold-const.c (fold_convert, build_range_check,
8677 merge_ranges): Likewise.
8678 * expr.c (count_type_elements): Likewise.
8679 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8680 * stor-layout.c (layout_type): Likewise.
8681 * ipa-type-escape.c (type_to_consider): Likewise.
8682 * gimplify.c (omp_firstprivatize_type_sizes,
8683 gimplify_type_sizes): Likewise.
8684 * explow.c (promote_mode): Likewise.
8685 * tree-sra.c (is_sra_scalar_type): Likewise.
8686 * varasm.c (output_constant): Likewise.
8687 * tree-inline.c (remap_type_1): Likewise.
8688 * convert.c (convert_to_pointer, convert_to_real,
8689 convert_to_integer, convert_to_complex): Likewise.
8691 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8693 * df-scan.c (df_def_record_1): A set destination may
8694 be a parallel regardless of mode.
8696 2006-02-08 Roger Sayle <roger@eyesopen.com>
8699 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8700 * config/mips/_tilib.c: Remove.
8701 * config/fixtfdi.c: New libgcc source file.
8702 * config/fixunstfdi.c: New source file.
8703 * config/floatditf.c: New source file.
8704 * config/floatunditf.c: New souce file.
8705 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8706 files above instead of config/mips/_tilib.c.
8707 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8709 2006-02-08 Jeff Law <law@redhat.com>
8711 PR tree-optimization/26169
8712 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8715 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8717 * df.h (DF_REG_SIZE): Return the length of the initialized
8720 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8722 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8723 __muldf3): Return a correctly signed zero.
8725 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8727 * passes.c (register_one_dump_file): Accept the current properties
8728 instead of pass number. Adjust call to dump_register. Remove
8730 (register_dump_files): Now a wrapper around...
8731 (register_dump_files_1): ... this one. Do not modify the pass
8733 (next_pass_1): Cosmetic fix.
8734 (execute_todo): Keep second parameter only. Use curr_properties
8735 instead of fetching it from the pass structure. Check and set
8737 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8738 instead of fetching it from the pass structure. Fix calls to
8739 execute_todo. Update curr_properties and initialize .vcg RTL dump
8740 after running the pass. Reset last_verified.
8741 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8743 (FIRST_AUTO_NUMBERED_DUMP): New.
8744 (dump_register): Remove "num" parameter, assign it within the
8746 (get_dump_file_name): Modify template for dumps.
8747 * tree-dump.h (dump_register): Adjust prototype.
8748 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8749 (PROP_trees): Add PROP_gimple_lomp.
8750 (TODO_set_props): New.
8751 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8752 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8753 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8755 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8757 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8758 (sparc64-*-linux*): Likewise.
8759 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8760 * config/sparc/t-linux: New file.
8761 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8762 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8763 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8764 -m32 -mlong-double-128.
8766 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8767 * config/alpha/t-linux: New file.
8768 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8770 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8771 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8772 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8773 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8774 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8775 (CPP_ARCH32_SPEC): Remove.
8777 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8779 PR tree-optimization/26145
8780 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8783 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8786 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8787 >= 240000 when generating code for SOM runtime.
8788 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8789 to $$dyncall when generating code for SOM runtime..
8791 2006-02-07 Dirk Mueller <dmueller@suse.com>
8794 * doc/invoke.texi (-Wsequence-point): Update documentation
8795 that -Wsequence-point is implemented for C++ as well.
8797 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8799 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8800 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8801 (LIB_SPEC): Likewise.
8802 * doc/invoke.texi (SPARC options): Document -pthread.
8804 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8806 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8809 2006-02-07 Roger Sayle <roger@eyesopen.com>
8811 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8812 Correct comment describing BOOLEAN_TYPE.
8814 2006-02-07 Dirk Mueller <dmueller@suse.com>
8816 * c.opt: C++ frontend supports -Wdiv-by-zero.
8817 * c-opts.c (c_common_handle_option): Remove dead case.
8819 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8821 * configure.ac (TLS assembler check): Do not enable TLS by
8822 default on SPARC/Solaris before version 10.
8823 * configure: Regenerate.
8825 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8827 * doc/invoke.texi (xl-compat): Document conversion and support
8830 2006-02-07 Jeff Law <law@redhat.com>
8832 * tree-vrp.c (find_conditional_asserts): Update comments.
8833 (simplify_stmt_for_jump_threading): New.
8834 (identify_jump_threads, finalize_jump_threads): New.
8835 (vrp_finalize): Call identify_jump_threads.
8836 (execute_vrp): Call finalize_jump_threads.
8837 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8838 (vrp_element, vrp_data, vrp_element_p): Remove.
8839 (vrp_hash_elt, vrp_variables_stack): Remove.
8840 (vrp_hash, vrp_eq, record_range): Remove.
8841 (simplify_cond_and_lookup_avail_expr): Remove.
8842 (extract_range_from_cond): Remove.
8843 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8844 (simplify_stmt_for_jump_threading): New.
8845 (dom_thread_across_edge): New wrapper.
8846 (tree_ssa_dominator_optimize): No longer initialize or
8847 finalize any of the VRP datastructures. Remove iteration
8848 step and simplify as a result of removal of iteration step.
8849 (pass_dominator): Perform a cfg cleanup after DOM.
8850 (dom_opt_finalize_block): Use the new common routines
8851 for threading jumps. Simplify stack management slightly.
8852 No longer need to unwind VRP state.
8853 (record_equivalences_from_incoming_edge): No longer record
8855 (eliminate_redundant_computations): No longer call
8856 simplify_cond_and_lookup_avail_expr.
8857 * tree-flow.h (potentially_threadable_block): Prototype.
8858 (thread_across_edge): Likewise.
8859 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8860 (tree-ssa-threadedge.o): Add dependencies.
8861 * tree-ssa-threadedge.c: New file.
8862 * passes.c (init_optimization_passes): Merge PHIs before
8863 calling VRP. Run VRP again late in the SSA optimization pipeline.
8865 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8867 * df-core.c (df_set_blocks): Do not dereference function pointers.
8868 (df_finish1): Likewise.
8869 (df_hybrid_search_forward): Likewise.
8870 (df_hybrid_search_backward): Likewise.
8871 (df_iterative_dataflow): Likewise.
8872 (df_analyze_problem): Likewise.
8873 (df_compact_blocks): Likewise.
8874 (df_dump): Likewise.
8875 * df-scan.c (df_rescan_blocks): Likewise.
8876 (df_record_entry_block_defs): Likewise.
8878 * genconditions.c (write_conditions): Guard the definition of
8879 'insn_conditions' with the check on GCC version.
8880 (write_writer): Guard the traversal 'insn_conditions' with
8881 the check on GCC version.
8883 2006-02-07 Richard Guenther <rguenther@suse.de>
8887 2006-01-30 Richard Guenther <rguenther@suse.de>
8889 * gimplify.c (gimplify_target_expr): Handle easy cases
8890 without creating a temporary.
8892 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8894 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8895 use of float in probability computations. Use edge probabilities
8896 in place of statically computed probabilities.
8897 (min_spec_prob): New static variable.
8898 (schedule_insns): Initialize it.
8899 (GET_SRC_PROB): Removed.
8900 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8902 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8905 * config/ia64/unwind-ia64.c: Revert last change.
8906 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8907 (INCOMING_FRAME_SP_OFFSET): Define.
8909 2006-02-06 Roger Sayle <roger@eyesopen.com>
8911 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8913 2006-02-07 Ben Elliston <bje@au.ibm.com>
8915 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8916 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8917 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8918 (ix86_return_in_memory): Handle TDmode.
8919 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8920 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8922 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8924 * reorg.c (dbr_schedule): Use dump_file instead of file.
8926 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8929 * config/ia64/predicates.md (extr_len_operand): New predicate.
8930 * config/ia64/ia64.md (extv): Tighten constraints.
8932 (*tbit_and_2): Ditto.
8933 (*tbit_and_3): Ditto.
8934 (*tbit_or_2): Ditto.
8935 (*tbit_or_3): Ditto.
8939 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8942 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8944 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8946 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8947 loop_optimizer_init and loop_optimizer_finalize
8948 * tree-ssa-sink.c (execute_sink_code): Ditto.
8949 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8950 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8951 tree_ssa_loop_done): Ditto.
8952 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8953 * sched-ebb.c: Include output.h.
8954 (schedule_ebbs): Do not use dump argument.
8955 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8956 * loop.c (loop_dump_stream): Removed.
8957 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8959 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8960 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8961 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8962 loop_iterations, strength_reduce, record_biv, record_giv,
8963 final_giv_value, check_final_value, check_ext_dependent_givs,
8964 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8965 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8966 dump_file instead of loop_dump_stream.
8967 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8969 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8971 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8972 * haifa-sched.c: Include output.h
8973 (schedule_insns, sched_init): Do not use dump argument.
8974 * mode-switching.c (optimize_mode_switching): Ditto.
8975 * modulo-sched.c (stats_file): Removed.
8976 (print_node_sched_params): Do not call argument dump_file.
8977 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8978 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8980 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8982 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8983 rtl_loop_init, rtl_loop_done): Ditto.
8984 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8985 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8987 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8988 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8989 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8990 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8991 * emit-rtl.c (renumber_insns): Ditto.
8992 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8993 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8994 * regclass.c (regclass): Ditto.
8995 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8996 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8997 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8998 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9000 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9001 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9003 * gcse.c (gcse_file, debug_stderr): Removed.
9004 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9005 rest_of_handle_gcse): Do not use dump argument.
9006 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9007 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9008 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9009 compute_code_hoist_vbeinout, compute_code_hoist_data,
9010 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9011 compute_store_table, build_store_vectors, insert_insn_start_bb,
9012 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9013 store_motion): Use dump_file instead of gcse_file.
9014 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9015 * profile.c (profile_dump_file): Removed.
9016 (branch_prob): Use dump_file instead of profile_dump_file.
9017 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9019 * tree-ssa-copy.c (dump_copy_of): Ditto.
9020 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9021 dump file to life_analysis.
9022 * bt-load.c (branch_target_load_optimize): Ditto.
9023 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9025 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9026 regclass, dbr_schedule): Declaration changed.
9027 * sched-int.h (sched_init): Declaration changed.
9028 * tree-profile.c (tree_profile_dump_file): Removed.
9029 (tree_profile_hooks): Removed profile_dump_file hook.
9030 * rtl-profile (rtl_profile_dump_file): Removed.
9031 (rtl_profile_hooks): emoved profile_dump_file hook.
9032 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9034 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9035 * tree-cfg.c (build_tree_cfg): Ditto.
9036 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9037 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9038 Declaration changed.
9039 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9040 life_analysis and schedule_insns.
9041 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9043 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9045 * config/mips/mips.c (mips_reorg): Ditto.
9046 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9049 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9051 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9052 (s390_mangle_fundamental_type): New.
9053 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9056 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9057 (alpha_mangle_fundamental_type): New.
9058 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9061 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9063 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9065 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9066 (sparc_mangle_fundamental_type): New.
9068 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9070 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9071 (s390x-*-linux*): Likewise.
9072 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9073 * config/s390/t-linux: New file.
9075 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9077 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9078 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9080 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9082 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9083 (ANTIC_SAFE_LOADS): New macro.
9084 (find_or_generate_expression): Add prototype.
9085 (set_contains_value): Allow null set for sake of not always having
9086 to allocate ANTIC_SAFE_LOADS.
9087 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9088 Allow COMPONENT_REF too.
9089 (valid_in_set): Allow COMPONENT_REF.
9090 Check ANTIC_SAFE_LOADS too.
9091 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9092 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9094 (can_PRE_operation): Add COMPONENT_REF.
9095 (create_component_ref_by_pieces): New function.
9096 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9097 (insert_aux): Move AGGREGATE_TYPE_P check here.
9098 (compute_avail): Set bb local stmt uids.
9099 (pass_pre): Use TODO_update_ssa_only_virtuals.
9101 2006-02-06 Ben Elliston <bje@au.ibm.com>
9103 * configure.ac: Unconditionally disable decimal float by default.
9104 * configure: Regenerate.
9106 2006-02-06 Ben Elliston <bje@au.ibm.com>
9108 * read-rtl.c (read_name): Terminate reading on EOF.
9110 2006-02-06 Ben Elliston <bje@au.ibm.com>
9112 * dfp.c (decimal_real_arithmetic): Change second argument type
9113 from int to enum tree_code. Do not always return true, but now
9114 return result of any call to decimal_do helper functions.
9115 * dfp.h (decimal_real_arithmetic): Update prototype.
9117 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9119 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9121 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9124 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9127 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9129 * tree-vrp.c (cfg_loops): Removed.
9130 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9131 Use current_loops instead of cfg_loops. Pass flags to
9132 loop_optimizer_init.
9133 * cfgloopmanip.c (fix_loop_structure): Update only available
9135 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9136 loop_optimizer_init.
9137 * modulo-sched.c (build_loops_structure): Removed.
9138 (sms_schedule): Use loop_optimizer_init.
9139 * loop-init.c (loop_optimizer_init): Use flags to determine
9140 which properties of loops to prepare.
9141 (rtl_loop_init): Pass flags to loop_optimizer_init.
9142 * tree-ssa-sink.c (execute_sink_code): Ditto.
9143 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9144 * tree-ssa-pre.c (init_pre): Ditto.
9145 * cfgloop.h (LOOPS_NORMAL): New.
9146 (loop_optimizer_init): Declaration changed.
9148 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9150 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9151 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9153 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9155 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9157 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9158 * pa/t-pa64: Delete quadlib.c rule.
9159 * pa/x-ada: Revert last change.
9160 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9162 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9164 PR rtl-optimization/26087
9165 * rtlanal.c (canonicalize_condition): Do not cross basic block
9168 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9171 * config/ia64/ia64.c: Include debug.h.
9172 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9173 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9174 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9175 (process_epilogue, process_set, process_for_unwind_directive):
9176 Output unwind info only if requested. Add CFA info if requested.
9177 Add new arguments as needed. Adjust callers.
9178 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9180 (DWARF2_FRAME_INFO): Define to zero.
9181 * config/ia64/unwind-ia64.c: Remove code that compensated for
9182 the CFA offset error fixed above.
9183 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9184 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9185 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9186 -funwind-tables and -fexceptions to enable frame info.
9187 (dwarf2out_frame_init): Define initial CFA even if
9188 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9189 DWARF2_UNWIND_INFO is nonzero, not just defined.
9190 (dwarf2out_frame_finish): Output non-EH call frame info only
9191 if DWARF2_FRAME_INFO is nonzero.
9192 (convert_cfa_to_loc_list,
9193 compute_frame_pointer_to_cfa_displacement): Define even if
9194 unwind info is not supported.
9195 (gen_subprogram_die): Use the above unconditionally. Remove
9196 legacy alternate code.
9197 * toplev.c (compile_file): Compile in call to
9198 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9199 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9201 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9202 Jakub Jelinek <jakub@redhat.com>
9204 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9205 IBM extended float format long double as "g" on powerpc*-linux.
9207 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9210 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9211 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9213 2006-02-03 Jason Merrill <jason@redhat.com>
9216 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9219 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9220 on the return slot if it's an NRV.
9222 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9224 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9225 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9226 rewrite_use): Do not handle USE_OUTER.
9227 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9228 add_iv_outer_candidates, may_replace_final_value,
9229 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9230 (find_interesting_uses_op): Functionality of
9231 find_interesting_uses_outer_or_nonlin moved here.
9232 (find_interesting_uses_outside): Use find_interesting_uses_op.
9234 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9237 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9239 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9240 Ulrich Weigand <uweigand@de.ibm.com>
9243 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9244 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9245 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9246 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9248 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9249 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9250 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9251 Define secondary reloads for TFmode moves.
9252 (constant_modes): Add TFmode.
9253 (NR_C_MODES): Set to 8.
9254 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9256 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9257 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9258 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9259 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9260 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9261 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9262 (FPR mode macro): Add TFmode.
9263 (DSF mode macro): New.
9264 (<de>, <dee> mode attributes): Removed.
9265 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9266 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9267 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9268 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9269 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9270 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9271 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9272 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9273 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9274 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9275 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9276 "*negabs<mode>2", "sqrt<mode>2"):
9277 Changed <de> to <xde>. R constraint replaced by <Rf>.
9278 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9280 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9281 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9282 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9284 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9285 "extenddftf2", "extendsftf2"): New expanders.
9286 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9287 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9288 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9289 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9291 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9292 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9293 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9294 __floatditf): Add a GCC_4.1.0 symbol version tag.
9295 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9298 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9301 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9302 Use targetm.binds_local_p instead of TREE_PUBLIC.
9304 2006-02-02 Roger Sayle <roger@eyesopen.com>
9306 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9307 on INTEGER_TYPEs to indicate that it denotes a character type.
9308 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9309 signed_char_type_node, unsigned_char_type_node and char_type_node.
9310 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9311 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9312 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9314 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9315 Daniel Berlin <dberlin@dberlin.org>
9317 * tree-tailcall.c (arg_needs_copy_p): New function.
9318 (eliminate_tail_call): Use arg_needs_copy_p.
9319 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9320 (add_virtual_phis): New function.
9322 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9324 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9325 #ignore instead of #scratch for %g7 .register directive.
9327 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9329 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9332 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9334 * flow.c (calculate_global_regs_live): Assert that there aren't any
9337 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9339 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9341 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9342 bsi_after_labels iterator.
9343 * tree-if-conv.c (find_phi_replacement_condition,
9344 replace_phi_with_cond_modify_expr): Likewise.
9345 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9346 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9348 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9350 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9352 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9355 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9356 array after growing it.
9358 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9361 * fold-const.c (fold_checksum_tree): Change type of buf.
9363 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9365 * reload.c (push_secondary_reload): Initialize t_icode.
9367 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9369 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9370 -msoft-float -mlong-double-128 only issue a warning, but don't
9371 swich to DFmode long double.
9373 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9375 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9376 has a constant equivalent, iterate over equivalents for arg0,
9377 calling simplify_relational_operation and if there's a result
9378 cheaper than X, apply fold_rtx and return the result.
9380 2006-02-01 Jan Hubicka <jh@suse.cz>
9382 * opts.c (no_unit_at_a_time_default): New global variable.
9383 (decode_options): Use it.
9384 * opts.h (no_unit_at_a_time_default): Declare.
9386 2006-02-01 Paul Brook <paul@codesourcery.com>
9388 * function.c (assign_parm_setup_reg): Use function argument promotion
9390 * expr.c (expand_expr_real_1): Use function argument promotion rules
9393 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9395 * gcc.c (process_command): Change j to 'unsigned int'.
9397 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9400 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9401 Use the corrected index for the character
9402 out of the string constant.
9404 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9406 * mode-switching.c (optimize_mode_switching): Fix size
9407 allocated for bb_info[n_entities].
9409 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9411 * gcc.c (main): Correct type that is allocated for
9412 explicit_link_files.
9414 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9416 * config/s390/s390.c (init_alignment_context): Set
9417 ALIAS_SET_MEMORY_BARRIER on the MEM.
9418 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9420 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9423 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9425 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9428 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9430 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9431 * regrename.c: Ditto.
9432 * tree-ssa-loop-im.c: Ditto.
9433 * tree-dump.c: Ditto.
9434 * tree-complex.c: Ditto.
9435 * genrecog.c: Ditto.
9436 * tree-ssa-threadupdate.c: Ditto.
9438 * java/class.c: Ditto.
9439 * java/jcf-parse.c: Ditto.
9440 * java/resource.c: Ditto.
9441 * java/except.c: Ditto.
9442 * java/jvspec.c: Ditto.
9443 * java/jcf-write.c: Ditto.
9444 * java/jcf-path.c: Ditto.
9445 * java/gjavah.c: Ditto.
9446 * java/zextract.c: Ditto.
9447 * java/jcf-io.c: Ditto.
9448 * java/jcf.h: Ditto.
9449 * java/buffer.c: Ditto.
9450 * java/lang.c: Ditto.
9451 * java/parse-scan.y: Ditto.
9452 * java/lex.c: Ditto.
9453 * java/lex.h: Ditto.
9454 * cfgloopmanip.c: Ditto.
9455 * postreload-gcse.c: Ditto.
9456 * tree-ssa-loop-manip.c: Ditto.
9457 * postreload.c: Ditto.
9458 * tree-ssa-loop-ch.c: Ditto.
9462 * diagnostic.c: Ditto.
9464 * genoutput.c: Ditto.
9466 * cfghooks.c: Ditto.
9467 * cfgloopanal.c: Ditto.
9468 * objc/objc-act.c: Ditto.
9470 * genextract.c: Ditto.
9471 * genautomata.c: Ditto.
9472 * pretty-print.c: Ditto.
9474 * cgraphunit.c: Ditto.
9477 * haifa-sched.c: Ditto.
9478 * dominance.c: Ditto.
9480 * tree-ssa-loop-ivopts.c: Ditto.
9482 * mode-switching.c: Ditto.
9483 * modulo-sched.c: Ditto.
9485 * ipa-pure-const.c: Ditto.
9487 * fix-header.c: Ditto.
9489 * tree-stdarg.c: Ditto.
9490 * ipa-utils.c: Ditto.
9491 * loop-init.c: Ditto.
9492 * ipa-inline.c: Ditto.
9495 * alloc-pool.c: Ditto.
9496 * dwarf2out.c: Ditto.
9498 * genattrtab.c: Ditto.
9499 * tree-ssa-loop-ivcanon.c: Ditto.
9503 * fortran/gfortranspec.c: Ditto.
9505 * local-alloc.c: Ditto.
9506 * langhooks.c: Ditto.
9507 * function.c: Ditto.
9508 * tree-vectorizer.c: Ditto.
9510 * ipa-type-escape.c: Ditto.
9512 * tree-if-conv.c: Ditto.
9515 * tree-data-ref.c: Ditto.
9516 * loop-unroll.c: Ditto.
9517 * treelang/treetree.c: Ditto.
9520 * ggc-common.c: Ditto.
9522 * coverage.c: Ditto.
9524 * tree-cfgcleanup.c: Ditto.
9525 * tree-ssa-pre.c: Ditto.
9526 * cfgcleanup.c: Ditto.
9527 * loop-invariant.c: Ditto.
9529 * ipa-prop.c: Ditto.
9530 * print-tree.c: Ditto.
9531 * conflict.c: Ditto.
9532 * ggc-page.c: Ditto.
9533 * sched-deps.c: Ditto.
9534 * regclass.c: Ditto.
9535 * tree-object-size.c: Ditto.
9537 * bb-reorder.c: Ditto.
9538 * resource.c: Ditto.
9539 * var-tracking.c: Ditto.
9541 * df-problems.c: Ditto.
9542 * reg-stack.c: Ditto.
9545 * sched-rgn.c: Ditto.
9546 * tree-ssa-structalias.c: Ditto.
9547 * tree-ssa-reassoc.c: Ditto.
9548 * config/darwin-c.c: Ditto.
9549 * config/darwin.c: Ditto.
9550 * config/arm/arm.c: Ditto.
9552 * collect2.c: Ditto.
9555 2006-01-31 Nicolas Pitre <nico@cam.org>
9557 * arm.md (smaxsi3): Make aware of smax_m1.
9560 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9562 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9564 2006-01-31 Richard Guenther <rguenther@suse.de>
9566 * doc/invoke.texi (-msselibm): Document.
9567 * target.h (expand_library_builtin): New target hook.
9568 * builtins.c (expand_builtin): Use expand_library_builtin.
9569 (default_expand_library_builtin): New function.
9570 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9571 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9572 (link_gcc_math_spec): Declare.
9573 (static_specs): Add link_gcc_math_spec.
9574 * expr.h (default_expand_library_builtin): Declare.
9575 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9576 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9577 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9578 * config/i386/i386.opt (msselibm): New target option.
9579 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9580 (ix86_init_sse_abi_builtins): New function.
9581 (ix86_expand_library_builtin): Likewise.
9582 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9583 (override_options): Handle error conditions wrt -msselibm.
9584 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9585 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9586 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9589 2006-01-31 Richard Guenther <rguenther@suse.de>
9590 Paolo Bonzini <bonzini@gnu.org>
9592 * doc/install.texi (--disable-libgcc-math): Document.
9594 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9596 * expr.h (expand_normal): new inline function.
9597 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9599 * dwarf2out.c: use it.
9604 * config/sparc/sparc.c: use it.
9605 * config/i386/i386.c: use it.
9606 * config/rs6000/rs6000.c: use it.
9607 * config/arm/arm.c: use it.
9608 * config/mips/mips.c: use it.
9609 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9611 2006-01-30 Roger Sayle <roger@eyesopen.com>
9613 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9614 argv to the appropriate type.
9616 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9618 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9621 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9624 * config/s390/s390.c (struct machine_function): New flag
9625 decomposed_literal_pool_addresses_ok_p.
9626 (s390_reorg): Set it before final stage of literal pool transforms.
9627 (s390_decompose_address): Only accept displacements of the form
9628 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9630 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9632 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9633 the comparison routine return.
9635 2006-01-30 Michael Matz <matz@suse.de>
9637 * global.c (find_reg): Only evict for global regs.
9638 Take n_refs into account and dump more info.
9640 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9643 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9644 (pragma_trap, pragma_nosave_low_regs): Likewise.
9645 (current_function_anonymous_args): Likewise.
9646 (sh_deferred_function_attributes): New variable.
9647 (sh_deferred_function_attributes_tail): Likewise.
9648 (print_operand): For '@', look up trap_exit attribute.
9649 (calc_live_regs): Look up trapa_handler attribute. For trapa
9650 handlers, save/restore fpscr, but don't do any other
9651 interrupt-specific saves.
9652 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9653 Fix check for partially saved registers to check for SHmedia.
9654 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9655 (sh_output_function_epilogue): Don't clear any of the removed
9657 (sh_insert_attributes): Don't check pragma_interrupt.
9658 Insert deferred attributes. Check that interrupt attribute is
9659 present for other attributes that require its presence.
9660 (sh_attribute_table): Add new attributes trapa_handler and
9662 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9663 Don't check for pragma_interrupt. Don't store argument.
9664 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9665 (sh_deferred_function_attributes): Declare.
9666 (sh_deferred_function_attributes_tail): Likewise.
9667 * sh.md (sp_switch_1): Add operand. Change generator caller.
9668 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9669 (*return_i): Don't use when trap_exit attribute is in effect.
9670 (*return_trapa): New insn pattern.
9672 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9673 setting c_target_objs and cxx_target_objs.
9674 * t-sh: Add rule for sh-c.o.
9676 2006-01-30 Richard Guenther <rguenther@suse.de>
9679 * gimplify.c (gimplify_target_expr): Handle easy cases
9680 without creating a temporary.
9682 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9684 * vec.h (safe_grow): Remove duplicated line.
9686 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9689 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9690 (expand_omp): ... here.
9691 (expand_omp_parallel): Only remove barriers for combined
9692 parallel+workshare constructs.
9694 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9698 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9699 * tree.c (build_qualified_type): Chain the new type to the original
9700 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9701 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9702 (build_pointer_type_for_mode): Only return unqualified types.
9703 (build_reference_type_for_mode): Likewise.
9705 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9707 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9708 * Makefile.in (CXX_COMPAT_WARN): Define.
9709 * configure: Regenerate.
9711 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9714 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9717 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9719 * toplev.c: Fix thinko.
9721 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9722 Marcin Dalecki <martin@dalecki.de>
9724 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9725 (push_srcloc): Use XNEW.
9726 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9728 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9730 * df-core.c (df_set_blocks): Deleted all variable.
9732 2006-01-28 Ian Lance Taylor <ian@airs.com>
9734 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9735 cgraph_output_pending_asms.
9737 2006-01-28 Zack Weinberg <zackw@panix.com>
9739 * c.opt: Add -W(no-)overlength-strings.
9740 * doc/invoke.texi: Document it.
9741 * c-opts.c (c_common_handle_option): -pedantic implies
9742 -Woverlength-strings, if not explicitly disabled already.
9743 (c_common_post_options): -Woverlength-strings defaults to off, and
9744 is always off for C++.
9745 * c-common.c (fix_string_type): Issue warning about strings longer
9746 than is portable only if warn_overlength_strings. Rearrange code
9747 a little for clarity.
9748 * configure.in: Check for -Wno-overlength-strings as well before
9749 enabling -pedantic in stage 1.
9750 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9751 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9753 * genconditions.c (write_header, write_one_condition)
9754 (write_conditions, write_writer): Consolidate very long strings
9755 that were broken up to fit in C89 portable limit. Don't use
9756 printf when fputs will do.
9758 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9760 * combine.c (simplify_comparison <AND>): Check
9761 TRULY_NOOP_TRUNCATION before start using a subreg.
9763 * config/mips/mips.md (*branch_zero<mode>,
9764 *branch_zero<mode>_inverted, *branch_equality<mode>,
9765 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9766 Remove mode check from comparisons.
9768 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9770 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9772 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9774 * expmed.c (const_mult_add_overflow_p): Remove.
9775 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9777 * recog.c (validate_replace_rtx_subexp): Remove.
9778 * recog.h: Remove the prototype for
9779 validate_replace_rtx_subexp.
9781 * integrate.h: Remove the prototype for
9782 copy_decl_for_inlining.
9783 * rtl.h: Remove the prototype for mark_constant_function.
9784 * tree-vectorizer.h: Remove the prototype for
9785 vect_strip_conversion.
9787 * modulo-sched.c (create_partial_schedule,
9788 free_partial_schedule, reset_partial_schedule): Make them
9791 * hooks.c (hook_bool_rtx_int_false): Remove.
9792 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9794 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9796 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9797 and -mlong-double-128 are incompatible.
9798 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9799 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9800 (TARGET_LIBGCC2_CFLAGS): Define.
9801 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9802 (TARGET_LIBGCC2_CFLAGS): Same.
9803 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9805 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9808 * c-typeck.c (build_binary_op): Perform implicit casts of
9809 operands before shortening them.
9811 * cfgloopmanip.c (split_loop_bb): Remove.
9812 * cfgloop.h: Remove the prototype for split_loop_bb.
9814 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9815 * cfgloop.h: Remove the prototype for
9816 flow_loop_outside_edge_p.
9818 * emit-rtl.c (init_virtual_regs): Make it static.
9819 * function.h: Remove the prototype for init_virtual_regs.
9821 * recog.c (peephole2_optimize): Make it static.
9822 * recog.h: Remove the prototype for peephole2_optimize.
9824 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9826 * df-scan.c (df_record_entry_block_defs): Check if
9827 INCOMING_RETURN_ADDR_RTX is defined.
9829 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9830 Kenneth Zadeck <zadeck@naturalbridge.com>
9832 PR rtl-optimization/24762
9833 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9834 * targhooks.c (hook_void_bitmap): New hook prototype.
9835 * targhoohs.h (hook_void_bitmap): Ditto.
9836 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9837 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9838 * target.h (live_on_entry): New function pointer.
9839 * df-scan.c (df_all_hard_regs): Removed.
9840 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9841 (df_scan_free_internal): Added df->entry_block_defs.
9842 (df_scan_alloc): Ditto.
9843 (df_scan_dump): Ditto.
9844 (df_uses_record): Plumbed flag field properly thru calls.
9845 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9846 This part fixes PR24762.
9847 (df_bb_refs_record): Added code to make the frame and arg
9848 pointers live in EH blocks.
9849 (df_refs_record): Added call to df_record_entry_block_defs.
9850 (df_record_entry_block_defs): New function.
9851 * df-core.c: Added comments to describe new artifical defs.
9852 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9853 (entry_block_defs): New field in struct df.
9854 (df_all_hard_regs): Deleted.
9855 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9856 * df-problems.c (df_ru_bb_local_compute_process_def):
9857 Added code to handle artifical defs in the entry to a function.
9858 (df_ru_bb_local_compute): Ditto.
9859 (df_rd_bb_local_compute_process_def): Ditto.
9860 (df_rd_bb_local_compute): Ditto.
9861 (df_lr_bb_local_compute): Ditto.
9862 (df_ur_bb_local_compute): Ditto.
9863 (df_urec_bb_local_compute): Ditto.
9864 (df_chain_create_bb): Ditto.
9865 (df_ur_local_finalize): Removed entry.
9866 (df_urec_init): Ditto.
9867 (df_urec_local_finalize): Ditto.
9868 (df_ri_bb_compute): Added detection of last use of pseudos.
9869 * Makefile.in (df-scan.o): Updated dependencies.
9870 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9871 * config/mips/mips.c (mips_set_live_on_entry): Added.
9872 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9874 * dce.c (marked_insn_p): Added code to handle artifical defs.
9876 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9878 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9880 (_mm_cvtsi128_si64): Likewise.
9881 (_mm_cvtsd_si64): Likewise.
9882 (_mm_cvttsd_si64): Likewise.
9883 (_mm_cvtsi64_sd): Likewise.
9884 (_mm_cvtsi64_si128): Likewise.
9885 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9886 (_mm_cvtsi64_m64): Likewise.
9887 (_m_to_int64): Likewise.
9888 (_mm_cvtm64_si64): Likewise.
9889 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9890 (_mm_cvttss_si64): Likewise.
9891 (_mm_cvtsi64_ss): Likewise.
9892 (_mm_cvtss_f32): Likewise.
9894 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9896 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9897 for pragma redefine_extname.
9899 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9902 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9903 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9904 -mno-minimal-toc to previous content.
9905 (bispecs): Remove goal.
9906 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9907 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9908 compatibility aliases on powerpc-*-*gnu*.
9909 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9910 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9911 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9912 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9913 (ldblspecs): New goal.
9914 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9915 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9917 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9918 L_sf_to_tf or L_df_to_tf is defined.
9920 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9921 Alan Modra <amodra@bigpond.net.au>
9924 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9925 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9926 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9927 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9928 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9929 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9930 (rs6000_override_options): Initialize rs6000_ieeequad.
9931 Initialize TFmode format to ibm_extended_format if not
9933 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9935 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9936 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9937 (function_arg_advance): IBM long double passed in two FPRs, not
9939 (function_arg): IBM long double passed in FPRs.
9940 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9941 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9942 Only multireg GPR aligned.
9943 (rs6000_init_libfuncs): Enable IBM long double functions if not
9945 (rs6000_generate_compare): Use IBM long double compare if not
9947 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9948 (TARGET_IEEEQUAD): Define.
9949 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9950 not TARGET_IEEEQUAD.
9951 * config/rs6000/rs6000.md: Enable TFmode patterns if
9953 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9954 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9955 and -mlong-double-128 are incompatible.
9956 * doc/invoke.texi (-mabi): Collect options together. Add
9957 ibmlongdouble and ieeelongdouble.
9959 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9961 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9963 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9964 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9965 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9966 * rtl.h (rtunion_def): Remove rt_ptr.
9968 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9969 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9970 * config/i386/winnt.c (i386_pe_mark_dllexport)
9971 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9973 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9975 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9977 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9981 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9982 pthread_key_delete. From John David Anglin. gthrw-ify
9983 pthread_getunique_np only if it it's not a macro. Delete
9985 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9986 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9987 __gthread_objc_condition_signal, __gthread_key_delete): Add
9988 "__attribute__ ((__unused__))" to unused arguments.
9989 (__gthread_recursive_mutex_init_function): Add missing return.
9990 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9991 gthr-posix95.h: Use macro-based approach for name redirection
9992 on targets missing weakref.
9994 2006-01-26 Zack Weinberg <zackw@panix.com>
9996 * genconditions.c (write_header): In generated code, #ifdef out
9997 all includes and fake declarations, except includes of bconfig.h
9998 and system.h, unless GCC_VERSION >= 3001. Do not include
9999 gensupport.h in any case.
10000 (write_conditions): Generate a definition of struct c_test. Add
10001 a comment to the generated #endif.
10002 (write_one_condition): Escape backslashes in string too.
10003 (write_writer): Generated code must escape backslashes and quote
10004 marks (but not newlines) in the strings it writes.
10005 * Makefile.in (build/gencondmd.o): Update dependencies.
10007 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10010 * Makefile.in (insn-automata.o): Add header file dependencies.
10011 * genautomata.c: Add includes.
10013 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10016 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10018 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10020 * configure.ac: Expect target tools paths to be passed from the toplevel
10021 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10023 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10025 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10028 * c.opt (Wpointer-sign): Init to -1.
10029 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10030 OPT_pedantic, to 0 otherwise.
10031 * doc/invoke.texi: Update.
10033 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10035 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10036 constants provided by 80387 instructions in the destination mode.
10038 2006-01-26 Richard Guenther <rguenther@suse.de>
10039 Andrew Pinski <pinskia@physics.uc.edu>
10042 partial PR tree-opt/17064
10043 * tree-ssa-structalias.c (intra_create_variable_infos):
10044 Create heap variables for incoming parameters if
10045 flag_argument_noalias > 1.
10046 (find_what_p_points_to): Look through default defs of
10049 2006-01-26 Jeff Law <law@redhat.com>
10052 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10053 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10054 within the VR_RANGE, use the VR_RANGE as the result, not the
10056 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10057 bounds for the type.
10059 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10061 * tree-ssa-alias.c (maybe_create_global_var): Change
10062 subvar walking to an assertion that we don't have subvar'd variables.
10064 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10067 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10068 Use a new variable, inner. PARM_DECLs are always non-weak.
10070 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10072 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10073 --disable-checking.
10075 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10077 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10079 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10081 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10082 (smax_insn, smin_insn, smax_0, smin_0): New.
10084 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10087 * config/cris/cris.c (cris_order_for_addsi3): New function.
10088 * config/cris/cris-protos.h: Prototype it.
10089 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10090 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10091 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10092 (split for "op.S1 [rx=rx+i],ry (swapped)")
10093 (split for "op(s|u).S1 [rx=rx+i],ry")
10094 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10095 Apply cris_order_for_addsi3 when generating addsi3 insns.
10097 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10099 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10100 (TREE_BLOCK): Add call to EXPR_CHECK.
10102 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10105 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10106 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10107 (dump_omp_clauses): ... here.
10108 (dump_generic_node): Handle OMP_CLAUSE.
10109 * tree.c (omp_clause_num_ops): New.
10110 (omp_clause_code_name): New.
10111 (tree_code_size): Handle OMP_CLAUSE.
10112 (tree_size): Likewise.
10113 (make_node): Document handling of OMP_CLAUSE.
10114 (tree_node_structure): Handle OMP_CLAUSE.
10115 (omp_clause_check_failed): New.
10116 (omp_clause_range_check_failed): New.
10117 (omp_clause_operand_check_failed): New.
10118 (build_omp_clause): New.
10119 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10120 * tree.h (enum omp_clause_code): Declare.
10121 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10122 (OMP_CLAUSE_RANGE_CHECK): Define.
10123 (OMP_CLAUSE_ELT_CHECK): Define.
10124 (omp_clause_check_failed): Declare.
10125 (omp_clause_operand_check_failed): Declare.
10126 (omp_clause_range_check_failed): Declare.
10127 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10128 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10129 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10130 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10131 (OMP_CLAUSE_IF_EXPR): Likewise.
10132 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10133 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10134 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10135 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10136 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10137 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10138 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10139 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10140 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10141 (OMP_CLAUSE_CODE): Define.
10142 (OMP_CLAUSE_SET_CODE): Define.
10143 (OMP_CLAUSE_CODE): Define.
10144 (OMP_CLAUSE_OPERAND): Define.
10145 (struct tree_omp_clause): Declare.
10146 (union tree_node): Add field 'omp_clause'.
10147 * treestruct.def (TS_OMP_CLAUSE): Define.
10148 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10149 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10150 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10151 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10152 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10153 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10154 (OMP_CLAUSE): Define.
10155 * print-tree.c (print_node): Handle OMP_CLAUSE.
10156 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10157 * c-typeck.c: Likewise.
10158 * gimplify.c: Likewise.
10159 * c-omp.c: Likewise.
10160 * tree-nested.c: Likewise.
10161 * tree-inline.c: Likewise.
10162 * c-parser.c: Likewise.
10163 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10166 2006-01-25 Roger Sayle <roger@eyesopen.com>
10168 PR rtl-optimization/25703
10169 * combine.c (try_combine): Handle zero_extract and strict_low_part
10170 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10172 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10174 * global.c: Fix comment typos.
10176 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10179 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10180 Use output_addr_const instead of assemble_name.
10182 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10184 * Makefile.in (sched-vis.o): Update dependencies.
10185 * haifa-sched.c (sched_finish): Clear current_sched_info.
10186 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10187 (dump_flow_info): Call it.
10188 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10190 * basic-block.h (dump_bb_info): Declare.
10191 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10192 option, and apply options only for dump files whose TDF_RTL,
10193 TDF_TREE, or TDF_IPA bits match.
10194 * rtl.h: Declare new functions exported from sched-vis.c.
10195 * sched-vis.c: Enable also if scheduling is not used.
10196 (print_value): Print the mode of registers if not inside scheduling.
10197 (print_insn): Make it work outside the scheduler. Beautify the output
10199 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10201 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10203 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10204 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10205 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10206 depending on the value of CONSTANT_POOL_ADDRESS_P.
10207 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10209 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10210 rather than SYMBOL_REF_DECL.
10211 (rtx_constant_pool): Remove const_rtx_sym_htab.
10212 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10213 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10214 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10215 Remove handling of const_rtx_sym_htab.
10216 (find_pool_constant): Delete.
10217 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10218 rather than find_pool_constant.
10219 (get_pool_constant_for_function): Delete.
10220 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10221 find_pool_constant.
10222 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10223 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10224 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10225 (SYMBOL_REF_CONSTANT): New macro.
10226 (get_pool_constant_for_function): Delete.
10227 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10228 rather than SYMBOL_REF_DECL.
10229 (i386_pe_mark_dllimport): Likewise.
10230 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10231 rather than SYMBOL_REF_DECL.
10232 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10233 (machopic_indirect_call_target): Likewise.
10235 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10237 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10239 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10241 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10243 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10245 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10247 2006-01-24 David Daney <ddaney@avtrex.com>
10250 * configure.ac (enable_tls): New enable option.
10251 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10252 * configure: Regenerate.
10253 * doc/install.texi (--enable-tls): Document new option.
10254 (--disable-tls): Ditto.
10256 2006-01-24 Richard Henderson <rth@redehat.com>
10258 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10259 * alias.c (true_dependence): Respect it.
10260 (canon_true_dependence, write_dependence_p): Likewise.
10261 * builtins.c (get_builtin_sync_mem): Set it.
10263 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10265 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10268 2006-01-24 DJ Delorie <dj@redhat.com>
10270 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10271 for storing constants in single-bit bitfields.
10273 2006-01-25 Ben Elliston <bje@au.ibm.com>
10275 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10277 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10280 * tree-ssa-pre.c (phi_translate): Return NULL
10281 for AGGREGATE_TYPE's.
10283 2006-01-24 Zack Weinberg <zackw@panix.com>
10285 * genautomata.c (process_state_for_insn_equiv_partition):
10286 Use xcalloc for insn_arcs_array.
10287 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10288 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10290 2006-01-24 Richard Henderson <rth@redhat.com>
10292 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10293 update all callers.
10295 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10297 PR rtl-optimization/25890
10298 PR rtl-optimization/25905
10299 * combine.c (expand_compound_operation, expand_field_assignment):
10300 Fail if the bitfield's final position is out of bounds.
10302 2006-01-24 Ian Lance Taylor <ian@airs.com>
10304 PR middle-end/25930
10305 * cgraphunit.c (cgraph_output_in_order): Don't clear
10306 cgraph_asm_nodes until after asm strings have been output.
10308 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10310 * fix-header.c (read_scan_file): Add new parameter imultilib when
10311 calling register_include_chains.
10313 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10315 * omp-low.c: Update documentation.
10317 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10318 Daniel Berlin <dberlin@dberlin.org>
10322 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10323 return from the function.
10325 2006-01-22 Zack Weinberg <zackw@panix.com>
10327 * rtl.def (match_code): Add second argument.
10328 * genpreds.c (write_extract_subexp): New function.
10329 (write_match_code): Add path argument. Use write_extract_subexp.
10330 (write_predicate_expr): Pass path to write_match_code.
10331 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10332 not perform a mode test.
10333 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10334 a subexpression does not constrain the top-level code set.
10335 * read-rtl.c (read_rtx_variadic): New function.
10336 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10337 * doc/md.texi: Document new notation.
10338 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10339 (cmpsi_operand): ... here, using new notation.
10341 2006-01-22 Zack Weinberg <zackw@panix.com>
10343 * varray.c: Remove GENERATOR_FILE #ifdefs.
10345 2006-01-22 Zack Weinberg <zackw@panix.com>
10347 * genautomata.c (output_reserved_units_table): Emit nothing if
10348 description->query_units_num is zero. Remove extra blank line.
10349 (output_cpu_unit_reservation_p): Short circuit
10350 if description->query_units_num is zero.
10352 2006-01-22 Zack Weinberg <zackw@panix.com>
10354 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10355 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10356 nor any of the random handful of variables that used to be necessary
10357 when this program was linked with rtlanal.o. Prune set of forward
10358 function declarations.
10359 (struct attr_desc): Remove static_p field.
10360 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10361 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10362 (attr_string): Do not read the character one past the length of
10364 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10365 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10366 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10367 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10368 (make_automaton_attrs): New.
10369 (main): Do not call into genautomata. Call local gen_bypass
10370 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10371 Remove special case for insn_alts.
10372 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10373 varray.h (leftover from previous change). Prune set of forward
10374 function declarations. Remove state_alts fields from all
10375 structures. Remove state_alts_table from struct automaton.
10376 Make everything except main static. Do not maintain num_dfa_decls.
10377 Do not maintain state_alts fields of various structures.
10378 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10379 (add_arc): Remove state_alts argument. All callers updated.
10380 (output_reserved_units_table): Emit #ifdef here...
10381 (output_tables): ...not here. Don't generate state_alts tables.
10382 (expand_automata): Don't generate attributes.
10383 (write_automata): Don't generate state_alts functions.
10384 (main): New function.
10385 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10386 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10387 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10388 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10389 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10390 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10391 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10392 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10394 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10395 * genattrtab.h: Delete file.
10396 * Makefile.in (OBJS-common): Add insn-automata.o.
10397 (insn-automata.o): New rule.
10398 (simple_generated_c): Add insn-automata.c.
10399 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10400 (genprogmd): Add automata.
10401 (build/genattrtab): Needs no extra objects nor libraries.
10402 (build/genautomata): Needs build/vec.o and -lm.
10404 2006-01-22 Zack Weinberg <zackw@panix.com>
10406 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10407 (output_dfa_max_issue_rate, locked_states_num): Delete.
10408 (struct automaton): Add locked_states field.
10409 (output_dead_lock_vect): Save number of locked states in
10410 automaton->locked_states. If it is zero, don't print anything.
10411 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10412 (output_internal_dead_lock_func): Only test the dead_lock_vect
10413 for automata that have locked states.
10414 (output_statistics): Always print the number of locked states for
10415 each automaton. Calculate total number of locked states here.
10416 (write_automata): Don't call output_dfa_max_issue_rate.
10417 * genattrtab.c: Define length_unit_log as a const variable.
10418 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10419 max_insn_queue_index const.
10420 * final.c (length_unit_log): Declare const.
10421 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10423 2006-01-22 Zack Weinberg <zackw@panix.com>
10425 * genautomata.c: Include vec.h, not varray.h.
10426 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10427 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10428 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10429 VEC_* macros operating on appropriately typed vectors, or to
10430 malloced arrays when the size is known in advance. Const-ify
10431 many char* variables and function arguments. No functional changes.
10432 * Makefile.in (build/varray.o): Delete rule.
10433 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10434 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10436 2006-01-22 Zack Weinberg <zackw@panix.com>
10438 * gensupport.c: Define get_insn_name and record_insn_name here.
10439 (read_md_rtx): Call record_insn_name as appropriate.
10440 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10441 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10442 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10444 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10445 (BUILD_VARRAY): Delete.
10446 (genprognormal): Rename genprogmd. Fold in all programs from
10447 genprognoprint; also attrtab.
10448 (build/genattrtab): Just mention genautomata.o and varray.o.
10449 Reorganize a bit, add comments to make the categories clearer.
10451 2006-01-22 Zack Weinberg <zackw@panix.com>
10453 * genconditions.c (condition_table, add_condition): Delete.
10454 (write_conditions): Don't emit n_insn_conditions nor
10455 insn_elision_unavailable. Issue the gcc version #ifdef here,
10456 inside the table, with no #else clause ...
10457 (write_header): ...not here.
10458 (write_writer): New function.
10459 (main): Don't initialize condition_table. Use add_c_test.
10461 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10462 files on the command line.
10463 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10464 Return -1 if there is no entry in the table, don't abort.
10465 (add_c_test, traverse_c_tests): New functions.
10466 * gensupport.h (insn_elision_unavailable, insn_conditions)
10467 (n_insn_conditions): Delete declarations.
10468 (add_c_test, traverse_c_tests): Declare.
10469 * read-rtl.c: Include gensupport.h.
10470 (read_conditions): New function.
10471 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10472 (read_rtx_1): If we get EOF when we were looking for an initial
10473 open paren, return 0. Call read_conditions when appropriate.
10474 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10475 dummy-conditions.o. Eliminate references to insn-conditions.o,
10476 or change them to build/gencondmd.o, as appropriate. Remove
10477 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10478 from $(simple_generated_c). For all files remaining in those
10479 two lists, add insn-conditions.md to the generator command line.
10480 Give insn-constants.h/s-constants their own rules. Add rules
10481 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10482 (build/read-rtl.o): Depend on gensupport.h.
10483 (genprognormal): Include preds.
10484 (genprogearly): Rename genprognoprint; only difference is now that
10485 they don't link with $(BUILD_PRINT).
10486 * dummy-conditions.c: Delete.
10488 2006-01-22 Zack Weinberg <zackw@panix.com>
10490 * genextract.c: Don't include insn-config.h. Do include vec.h.
10491 Declare vectors of int, char, and locstr.
10492 (locstr): New typedef.
10493 (struct extraction): Make all array fields into bare pointers.
10494 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10495 (insn_code_number): Delete.
10496 (accum_extract): New struct.
10497 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10498 (gen_insn): Take insn_code_number as an argument. Use an
10499 accum_extract structure instead of loading data directly into
10500 a struct extraction, and having to know how big it might get.
10501 (walk_rtx): Operate entirely on an accum_extract structure.
10502 (print_path): Avoid unnecessary use of printf.
10503 (print_header): New function, split out of main. Distinguish
10504 more carefully between an unrecognizable insn and an insn that
10505 has the code number of a define_expand.
10506 (main): Pass insn_code_number to gen_insn. Call print_header
10507 only after parsing. Avoid unnecessary use of printf.
10508 * Makefile.in (build/vec.o): New rule.
10509 (build/genextract): Depend on build/vec.o.
10510 (build/genextract.o): Don't depend on insn-config.h.
10512 2006-01-22 Zack Weinberg <zackw@panix.com>
10514 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10515 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10516 practical. Eliminate per-generator-program link rules.
10518 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10520 PR middle-end/24437
10521 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10522 with a call expr to ...
10523 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10525 2006-01-23 Richard Guenther <rguenther@suse.de>
10527 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10528 before make_edge with conditional EDGE_TRUE_VALUE.
10530 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10531 Jan Hubicka <jh@suse.cz>
10532 Richard Guenther <rguenther@suse.de>
10534 PR rtl-optimization/25654
10535 * cfgexpand.c (aggregate_contains_union_type): New function.
10536 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10537 for structure variables that contain a union type.
10539 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10541 * gengtype.c (new_structure): Return the structure.
10542 (create_option): Add an extra "next" argument.
10543 (create_field): New function.
10544 (adjust_field_rtx_def): Use create_option and create_field.
10545 Remove a now-unnecessary call to find_structure.
10546 (adjust_field_tree_def): Likewise.
10547 (note_yacc_type): Remove an unnecessary call to find_structure.
10548 * gengtype.h (new_structure): Return the structure.
10549 (create_option): Add an extra argument.
10550 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10551 (option): Adjust calls to create_option.
10553 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10555 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10557 2006-01-22 Paul Brook <paul@codesourcery.com>
10558 Peter Barada <peter@the-baradas.com>
10560 * config/m68k/m68k.md: Add Coldfire FPU support.
10561 Define FP mode macro and associated attributes.
10562 Use it for float mode patterns.
10563 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10564 (LIBCALL_VALUE): Use m68k_libcall_value.
10565 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10566 (m68k_function_value): Ditto.
10567 (emit_move_sequence): Ditto.
10568 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10569 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10570 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10571 (MULTILIB_EXCEPTIONS): Ditto.
10572 * config/m68k/m68k.opt: Add mcfv4e.
10573 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10574 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10575 (m68k_output_function_prologue): Save ColdFire FPU registers.
10576 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10577 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10578 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10579 ColdFire FPU registers.
10580 (m68k_libcall_value, m68k_function_value): New functions.
10581 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10582 (LIBCALL_VALUE): Use m68k_libcall_value.
10583 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10584 (MASK_COLDFIRE): Add MASK_CFV4E.
10585 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10586 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10587 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10588 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10589 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10590 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10591 * doc/invoke.tex: Document -mcfv4e on m68k.
10593 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10595 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10598 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10601 * c-opts.c (c_common_handle_option): Don't include
10602 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10603 * doc/invoke.texi (C++ Dialect Options): Document that
10604 -Wnon-virtual-dtor is no longer included in -Wall.
10606 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10608 * gcov.c (print_version), gcov-dump.c (print_version),
10609 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10612 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10614 * df-scan.c (problem_SCAN): Added NULL reset function.
10615 (df_scan_reset_blocks): Added code to call reset block function
10616 (df_bb_refs_delete) Fixed comment.
10617 (df_insn_refs_delete): Made tolerant of deleting non existent info
10618 for dataflow problems that need to be reset.
10619 * df-core.c (df_set_blocks): Ditto.
10620 * df.h (struct df_problem): Added reset_fun.
10621 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10622 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10623 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10624 functions to clear out all references to def-use or use-def chains.
10626 2006-01-21 Ben Elliston <bje@au.ibm.com>
10628 * varasm.c (assemble_real): Initialise data array.
10630 2006-01-20 Paul Brook <paul@codesourcery.com>
10632 Merge from csl-arm-branch.
10633 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10634 * config/arm/arm.md (movdi): Force operands[1] to a register
10635 if we have a non-register source.
10636 (*arm_movdi, *movdf_soft_insn): Require that one of the
10637 operands be a register.
10638 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10639 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10641 2006-01-20 DJ Delorie <dj@redhat.com>
10643 * varasm.c (initializer_constant_valid_p): Allow pointers
10644 initialized from integer constants of lesser precision.
10645 (output_constant): Allow non-int-sized pointer modes to be
10646 initialized from integer constants.
10648 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10651 * cppdefault.h (struct default_include): Add multilib flag.
10652 * cppdefault.c (cpp_include_defaults): Set it.
10653 * c.opt (-imultilib): New option.
10654 * c-opts.c (imultilib): New.
10655 (c_common_handle_option): Handle -imultilib.
10656 (c_common_post_options): Likewise.
10657 * c-incpath.c (add_standard_paths, register_include_chains):
10659 * c-incpath.h (register_include_chains): Add extra parameter.
10660 * gcc.c (do_spec_1): Generate -imultilib option.
10661 (The Specs Language): Update %I description.
10662 (process_command): Update copyright notice.
10663 * doc/cppopts.texi (-imultilib): Document.
10664 * doc/invoke.texi (-imultilib): Include in option summary.
10665 (%I): Update specs documentation.
10667 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10669 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10671 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10673 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10676 2006-01-20 Richard Guenther <rguenther@suse.de>
10677 Steven Bosscher <stevenb.gcc@gmail.com>
10679 PR rtl-optimization/24626
10680 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10681 EDGE_TRUE_VALUE if in RTL mode.
10684 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10685 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10687 2006-01-20 Dirk Mueller <dmueller@suse.com>
10690 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10691 instead of a special NOP marker.
10692 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10693 NOP marker handling.
10694 * c-common.h (empty_body_warning): Add forward declaration.
10695 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10696 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10698 2006-01-20 Paul Brook <paul@codesourcery.com>
10700 * Makefile.in (lang_checks): Keep going if mkdir fails.
10702 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10704 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10705 be able to clean out basic block when not necessary.
10706 (df_scan_free): Fixed to properly delete information if df is
10707 unused before calling df_finish.
10708 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10709 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10711 (df_bb_refs_delete): New function.
10712 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10713 * df-core.c (df_set_blocks): Added code to properly clean out
10714 unused blocks if they are not part of the blocks to consider.
10715 Added additional null check.
10716 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10717 be able to clean out basic block when not necessary
10718 * df.h (df_free_bb_function): Ditto.
10719 (df_bb_refs_delete): New function.
10720 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10721 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10722 basic block parameter to be able to clean out basic block when not
10724 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10725 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10726 Fixed to properly delete information if df is unused before
10729 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10731 PR rtl-optimization/25799
10732 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10733 Corrected confluence operator to remove bits from op2 before oring
10734 with op1 rather than removing bits from op1.
10735 (df_ru_transfer_function): Corrected test on wrong bitmap which
10736 caused infinite loop. Both of these problems were introduced in
10737 the dataflow rewrite.
10739 2006-01-19 DJ Delorie <dj@redhat.com>
10741 * reload1.c (find_reload_regs): Note the details of reload
10742 failures in the dump file.
10743 (spill_failure): Likewise.
10745 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10747 * loop-iv.c: Include df.h and hashtab.h.
10748 (enum iv_grd_result): New enum.
10749 (DF_REF_IV, DF_REF_IV_SET): New macros.
10750 (struct biv_entry): New.
10751 (df, bivs): New global variables.
10752 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10753 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10755 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10756 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10757 analyzed_for_bivness_p, record_biv): New functions.
10758 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10759 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10760 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10762 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10764 (iv_number_of_iterations): Use new interface to iv analysis.
10765 * loop-unroll.c: Do not include varray.h.
10766 (analyze_iv_to_split_insn): Use new interface to iv
10768 * loop-unswitch.c (may_unswitch_on): Ditto.
10769 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10771 (df_bb_modify): Realloc tables to the new index.
10772 (df_find_use): New function.
10773 * df.h (df_find_use): Declare.
10774 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10776 * cfgloop.h (struct rtx_iv): Remove analysed field.
10777 (iv_get_reaching_def): Removed.
10778 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10779 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10780 (loop-iv.o): Add df.h and hashtab.h dependency.
10781 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10783 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10786 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10788 (__floatundisf, __floatundidf): Likewise.
10789 * libgcc2.h (IS_IBM_EXTENDED): Define.
10791 2006-01-19 DJ Delorie <dj@redhat.com>
10793 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10795 2006-01-19 Paul Brook <paul@codesourcery.com>
10797 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10798 as nothrow when unwinding tables are disabled.
10800 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10803 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10804 of bit-field" when in system header.
10806 2006-01-19 DJ Delorie <dj@redhat.com>
10808 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10809 the 16 bit shift limit of the m16c.
10811 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10814 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10815 * config/i386/i386.c (output_set_got): Output the label if we have one
10816 for the TARGET_DEEP_BRANCH_PREDICTION case.
10818 2006-01-19 Jan Hubicka <jh@suse.cz>
10819 H.J. Lu <hongjiu.lu@intel.com>
10820 Evandro Menezes <evandro.menezes@amd.com>
10822 * invoke.texi (generic): Document
10824 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10825 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10826 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10827 (x86_use_incdec, x86_pad_returns): New variables
10828 (TARGET_CPU_DEFAULT_generic): New constant
10829 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10830 (enum processor_type): Add generic32 and generic64.
10831 * i386.md (cpu attribute): Add generic32/generic64
10832 (movhi splitter): Behave sanely when both partial_reg_dependency and
10833 partial_reg_stall are set.
10834 (K8 splitters): Enable for generic as well.
10835 * predicates.md (incdec_operand): Use TARGET_INCDEC
10836 (aligned_operand): Avoid memory mismatch stalls.
10837 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10838 * ppro.md: Enable for generic32
10839 * i386.c (generic64_cost, generic32_cost): New.
10840 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10841 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10842 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10843 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10844 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10845 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10846 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10847 x86_accumulate_outgoing_args, x86_prologue_using_move,
10848 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10849 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10850 Enable for generic.
10851 (x86_use_incdec, x86_pad_returns): New.
10852 (override_options): Add generic32 and generic64, translate "generic"
10853 to generic32/generic64 and "i686" to "generic32", refuse
10854 "generic32"/"generic64" as arch target.
10855 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10856 (ix86_reorg): Honor PAD_RETURNS.
10858 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10860 * tree-pretty-print.c (dump_generic_node): Handle
10861 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10862 * cgraph.c (cgraph_expand_queue): Rename from
10863 cgraph_analyze_queue. Update all users.
10864 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10865 cgraph_expand_queue.
10866 (cgraph_expand_all_functions): Likewise.
10867 (cgraph_finalize_pending_functions): Remove. Update callers.
10869 * tree.h (OMP_DIRECTIVE_P): Define.
10870 (OMP_PARALLEL_FN): Define.
10871 (OMP_PARALLEL_DATA_ARG): Define.
10872 (OMP_SECTIONS_SECTIONS): Define.
10873 * tree-pass.h (pass_expand_omp): Declare.
10874 * omp-low.c (struct omp_region): Declare.
10875 (struct omp_context): Remove fields 'parallel_type',
10876 'parallel_start_ix' and 'parallel_start_additional_args'.
10878 (struct omp_for_data): Rename from struct expand_omp_for_data.
10879 (omp_regions): New static variable.
10880 (root_omp_region): New static variable.
10881 (find_omp_clause): Make static.
10882 (is_in_combined_parallel_ctx): Remove.
10883 (is_combined_parallel): New.
10884 (extract_omp_for_data): Move earlier in the file.
10885 (workshare_safe_to_combine_p): New.
10886 (get_ws_args_for): New.
10887 (determine_parallel_type): Move earlier in the file.
10888 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10890 (omp_copy_decl): Likewise.
10891 (create_omp_child_function): Likewise.
10892 (lookup_omp_region): New.
10893 (dump_omp_region): New.
10894 (debug_omp_region): New.
10895 (debug_all_omp_regions): New.
10896 (new_omp_region): New.
10897 (scan_omp_parallel): If parallel_nesting_level > 1, the
10898 directive is nested within another parallel directive.
10899 Set OMP_PARALLEL_FN.
10900 (scan_omp_for): Do not try to handle combined parallel+for
10902 Remove FIXME comment.
10903 (scan_omp_nested): Remove.
10904 (scan_omp_1): Do not call scan_omp_nested when
10905 parallel_nesting_level is > 1.
10906 Do not change the DECL_CONTEXT of local variables found.
10907 (lookup_decl_in_outer_ctx): New.
10908 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10909 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10910 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10911 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10912 If CTX is nested, lookup VAR in the outer context when
10913 building copy assignment.
10914 (lower_send_clauses): Rename from expand_send_clauses.
10915 If CTX is nested, lookup VAR in the outer context when
10916 building copy assignments.
10917 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10918 If CTX is nested, lookup VAR in the outer context when
10919 building copy assignments.
10920 (expand_parallel_call): Rename from build_parallel_call.
10921 Handle combined parallel+workshare cases.
10922 Re-implement to emit code into the CFG.
10924 (expand_omp_parallel): Re-implement to emit code into the CFG.
10925 Call move_sese_region_to_fn to outline the sub-graph
10926 containing the parallel region.
10927 (expand_omp_for_1): Remove.
10928 (expand_omp_for_generic): Re-implement to emit code into the
10930 (expand_omp_for_static_nochunk): Likewise.
10931 (expand_omp_for_static_chunk): Likewise.
10932 (expand_omp_for): Likewise.
10933 (expand_omp_sections): Likewise.
10934 (remove_exit_barriers): New.
10935 (expand_omp_synch): New.
10937 (build_omp_regions_1): New.
10938 (build_omp_regions): New.
10939 (execute_expand_omp): New.
10940 (gate_expand_omp): New.
10941 (pass_expand_omp): Define.
10942 (lower_omp_sections): Rename from expand_omp_sections.
10943 Set OMP_SECTIONS_SECTIONS.
10944 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10945 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10946 (lower_omp_single): Rename from expand_omp_simple.
10947 (lower_omp_master): Rename from expand_omp_master.
10948 (lower_omp_ordered): Rename from expand_omp_ordered.
10949 (lower_omp_critical): Rename from expand_omp_critical.
10950 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10951 (lower_omp_for): Re-implement.
10952 (lower_omp_parallel): Re-implement.
10953 (lower_regimplify): Rename from expand_regimplify.
10954 (lower_omp_1): Rename from expand_omp_1.
10955 If there are syntax errors in the program, replace every
10956 OpenMP directive with NOP.
10957 Call lower_omp_* instead of expand_omp_*.
10958 (lower_omp): Rename from expand_omp.
10960 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10961 * tree-gimple.h (enum omp_parallel_type): Remove.
10962 (gimple_boolify): Declare extern.
10963 (find_omp_clause, determine_parallel_type): Remove.
10965 * gimple-low.c (lower_omp_directive): New.
10966 (lower_stmt): Call it.
10967 (record_vars_into): Move from ...
10968 (record_vars): ... here.
10969 Call record_vars_into with current_function_decl.
10971 * gimplify.c (struct gimplify_ctx): Remove fields
10972 combined_pre_p and combined_ctxp. Update users.
10973 (get_formal_tmp_var): Add documentation.
10974 (gimple_boolify): Make extern.
10975 (gimplify_expr_in_ctx): Remove. Update callers.
10976 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10977 will always be a BIND_EXPR.
10978 (gimplify_expr): Handle OMP_RETURN_EXPR.
10979 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10980 (OMP_PARALLEL): Add 3 operands.
10981 (OMP_SECTIONS): Add 1 operand.
10982 (OMP_RETURN_EXPR): Define.
10984 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10985 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10986 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10987 creating a circular free list.
10988 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10990 * tree-flow.h (move_sese_region_to_fn): Declare.
10991 (record_vars_into): Declare.
10992 * tree-cfg.c (make_omp_sections_edges): New.
10993 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10994 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10995 OMP_SECTIONS and OMP_SECTION.
10996 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10997 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10998 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10999 (gather_blocks_in_sese_region): New.
11000 (struct move_stmt_d): Declare.
11001 (move_stmt_r): New.
11002 (move_block_to_fn): New.
11003 (move_sese_region_to_fn): New.
11005 * passes.c (init_optimization_passes): Schedule
11006 pass_expand_omp after pass_init_datastructures.
11008 * tree-ssa-operands.c (get_expr_operands): Handle
11009 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11010 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11012 2006-01-19 Jeff Law <law@redhat.com>
11014 * tree-vrp.c (extract_range_from_assert): Refine the result range
11015 if the variable referenced by the ASSERT_EXPR has a range and
11016 either the tentative result range or the previous range is a
11019 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11021 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11023 2006-01-19 Jan Hubicka <jh@suse.cz>
11025 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11027 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11029 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11030 (expand_compound_operation, expand_field_assignment): Fail if the
11031 bit lengths of an extract operation are out of range.
11032 (make_extraction): Compute wanted_inner_mode based on the position
11033 and length of the extraction. Make it extraction_mode for non-constant
11034 positions, and do not modify offset in that case. When generating a
11035 new MEM, use a mode that can hold the extraction while keeping correct
11036 alignment. Remove code that supported MEMs wrapped by USEs.
11037 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11039 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11041 * config/s390/s390.md ("Y", "y"): New mode attribute.
11042 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11043 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11044 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11045 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11046 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11047 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11048 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11049 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11050 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11051 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11052 "addsi3", "subsi3"): Insn patterns removed.
11053 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11054 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11055 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11056 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11057 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11058 "*sub<mode>3_cconly2"): New insn patterns.
11059 ("addsi3", "subsi3"): New expanders.
11061 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11063 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11064 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11065 existing STMT_VINFO_VECTYPE if available.
11066 (vect_mark_relevant): Add special handling for stmts that are
11067 marked as STMT_VINFO_IN_PATTERN_P.
11068 (vect_analyze_loop): Call vect_pattern_recog.
11069 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11070 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11072 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11073 (vect_recog_func_ptr): New function-pointer type.
11074 * tree-vect-patterns.c: New file.
11075 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11076 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11077 (vect_pattern_recog_1): New functions.
11078 (vect_pattern_recog_funcs): New array of function pointers.
11080 * tree-vectorizer.h (ternary_op): New enum value.
11081 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11082 declaration. Revised documentation. Removed redundant dump prints.
11083 Removed redundant argument. Added support for reduction patterns.
11084 (vectorizable_reduction): Added support for reduction patterns.
11085 (vect_transform_stmt): Added support for patterns.
11087 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11088 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11089 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11090 (expand_widen_pattern_expr): New function.
11091 (init_optabs): Initialize new optabs udot_prod_optab,
11093 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11094 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11095 (expand_widen_pattern_expr): New function declaration.
11096 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11098 * tree-inline.c (estimate_num_insns_1): Added cases for new
11099 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11100 * tree-pretty-print.c (dump_generic_node): Likewise.
11101 (op_prio): Likewise.
11102 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11103 * tree-ssa-operands.c (get_expr_operands): Added case for
11105 * tree-vect-patterns.c (widened_name_p): New function.
11106 (vect_recog_dot_prod_pattern): Added function implementation.
11107 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11108 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11109 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11110 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11112 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11113 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11114 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11115 (init_optabs): Initialize new optabs widen_ssum_optab,
11117 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11118 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11119 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11120 use instead of type of def.
11121 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11122 function implementation.
11123 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11124 widen_ssumv8hi): New.
11126 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11129 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11132 * c-decl.c (add_flexible_array_elts_to_size): New function.
11133 (finish_decl): Use it.
11135 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11137 * diagnostic.h: Include options.h.
11138 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11139 dependancies for diagnostic.h.
11140 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11142 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11144 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11145 (ssa_ro_call_cache_valid): Ditto.
11146 * tree-ssa-alias.c (sort_tags_by_id): New function.
11147 (init_transitive_clobber_worklist): Ditto.
11148 (add_to_worklist): Ditto.
11149 (mark_aliases_call_clobbered): Ditto.
11150 (compute_tag_properties): Ditto.
11151 (set_initial_properties): Ditto.
11152 (compute_call_clobbered): Ditto.
11153 (compute_may_aliases): Call compute_call_clobbered and grouping.
11154 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11155 (compute_flow_insensitive_aliasing): Grouping now happens in our
11157 (setup_pointers_and_addressables): Remove clobbering related code.
11158 (add_may_alias): Ditto.
11159 (replace_may_alias): Ditto.
11160 (get_nmt_for): Ditto.
11161 (create_global_var):
11162 (is_escape_site): Return an escape_type enumeration.
11163 * tree-flow-inline.h (is_call_clobbered): Global var does not
11164 imply call clobbered.
11165 (mark_call_clobbered): Take a reason for marking this. Remove
11166 marking of globalness, and cache invalidation.
11167 (clear_call_clobbered): Remove cache invalidation code.
11168 * tree-dfa.c (dump_variable): If details is on, dump the reason
11170 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11172 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11173 (struct var_ann_d): Ditto.
11174 (enum escape_type): New.
11175 (mark_call_clobbered): Adjust prototype.
11176 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11177 are never call clobbered.
11178 Record reasons for escaping.
11179 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11180 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11181 (ssa_ro_call_cache_valid): Ditto.
11182 (clobbered_v_may_defs): Ditto.
11183 (clobbered_vuses): Ditto.
11184 (ro_call_vuses): Ditto.
11185 (clobber_stats): New.
11186 (init_ssa_operands): Zero out clobber stats.
11187 (fini_ssa_operands): Print out clobber stats.
11188 (get_call_expr_operands): Pass callee fndecl to
11189 add_call_read_ops).
11190 (add_call_clobber_ops): Remove use of cache.
11191 Add use of PURE_CONST information.
11192 (add_call_read_ops): Remove use of cache.
11193 Add use of static not_read information.
11195 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11197 Introduce TLS descriptors for i386 and x86_64.
11198 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11199 (TARGET_ANY_GNU_TLS): New macro.
11200 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11201 (struct machine_function): Add tls_descriptor_call_expanded_p.
11202 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11203 (ix86_current_function_calls_tls_descriptor): Likewise.
11204 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11205 (override_options): Introduce gnu2 tls dialect.
11206 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11208 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11210 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11211 (ix86_init_machine_status): Initialize new field.
11212 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11213 (ix86_tls_module_base): New.
11214 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11215 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11216 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11217 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11218 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11219 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11220 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11221 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11222 * config/i386/predicates.md (tls_modbase_operand): New.
11223 (tp_or_register_operand): New.
11225 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11227 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11228 (look_for_address_of): Ditto.
11229 (ipa_init): Walk the function decls.
11230 (static_execute): Don't set readonly on FUNCTION_DECL's.
11232 2006-01-18 Roger Sayle <roger@eyesopen.com>
11234 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11235 for shifts where the source and destination registers are different.
11237 2006-01-18 Paul Brook <paul@codesourcery.com>
11239 Merge from csl-arm-branch.
11240 2005-03-14 Julian Brown <julian@codesourcery.com>
11241 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11242 (aeabi_llsl): Likewise.
11243 (ashrdi3): Likewise.
11244 (aeabi_lasr): Likewise.
11245 (lshrdi3): Likewise.
11246 (aeabi_llsr): Likewise.
11247 2005-03-10 Julian Brown <julian@codesourcery.com>
11248 * config.gcc: Disable shared libgcc for SymbianOS.
11249 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11251 2006-01-18 DJ Delorie <dj@redhat.com>
11253 * c-pragma.c (handle_pragma_diagnostic): New.
11254 (init_pragma): Register it.
11255 * doc/extend.texi: Document it.
11257 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11258 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11259 (diagnostic_context): Add classify_diagnostic[].
11260 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11261 as errors if they're overridden to DK_WARNING.
11262 (diagnostic_initialize): Initialize classify_diagnostic[].
11263 (diagnostic_set_kind_override): New.
11264 (diagnostic_report_diagnostic): Check for kind changes.
11265 * opts.c (common_handle_option): Take lang_mask. Update callers.
11266 Handle OPT_Werror_.
11267 * common.opt (Werror=): New.
11268 * doc/invoke.texi: Document -Werror=*
11270 2006-01-18 Jeff Law <law@redhat.com>
11272 * tree-vrp.c (test_for_singularity): Correct test for new
11273 min limit. Use operand_equal_p rather than pointer equality
11274 for testing if new min/max values are equal.
11276 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11277 using range information until after propagation and folding.
11279 2006-01-18 Richard Henderson <rth@redhat.com>
11280 Aldy Hernandez <aldyh@redhat.com>
11281 Jakub Jelinek <jakub@redhat.com>
11282 Diego Novillo <dnovillo@redhat.com>
11284 * omp-low.c: New file.
11285 * c-omp.c: New file.
11287 2006-01-18 Richard Henderson <rth@redhat.com>
11288 Jakub Jelinek <jakub@redhat.com>
11289 Diego Novillo <dnovillo@redhat.com>
11291 * doc/invoke.texi: Document -fopenmp.
11292 * tree-dump.h (debug_function): Declare.
11293 * hooks.c (hook_bool_tree_bool_false): New function.
11294 (hook_tree_tree_null): Remove.
11295 (hook_tree_tree_tree_null): New.
11296 * hooks.h: Update to match.
11297 * tree-pretty-print.c (debug_tree_chain): New.
11298 (print_generic_expr): Handle TDF_CHAIN.
11299 (dump_generic_node): Handle BLOCK.
11300 Do not abort with incomplete SWITCH_EXPRs.
11301 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11302 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11303 print space after directive name.
11304 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11305 Handle OMP_MASTER and OMP_ORDERED.
11306 Handle printing of OMP_BODY just in one place, goto
11307 dump_omp_body in the rest of OMP_* nodes that have
11309 Don't handle clause nodes here. Update omp statements to
11310 use dump_omp_clauses.
11311 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11312 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11313 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11314 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11315 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11316 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11317 Adjust output for GOMP_PARALLEL.
11318 (dump_omp_clauses): New.
11319 (print_declaration): Dump DECL_VALUE_EXPR.
11320 (op_symbol_1): Split out of op_symbol.
11321 (dumping_stmts): Remove. Update all users.
11322 * cgraph.c (cgraph_analyze_queue): New.
11323 (cgraph_add_new_function): New.
11324 * cgraph.h (cgraph_analyze_queue): Declare.
11325 (cgraph_add_new_function): Declare.
11326 (cgraph_lower_function): Remove.
11327 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11328 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11329 and TYPE_P nodes in its default clause.
11330 (empty_body_p): New.
11331 (tree_range_check_failed): New.
11332 (build5_stat): New.
11333 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11334 OMP_CLAUSE_REDUCTION_MERGE,
11335 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11336 OMP_CLAUSE_PRIVATE_DEBUG,
11337 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11338 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11339 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11340 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11341 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11342 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11343 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11344 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11345 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11346 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11347 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11348 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11349 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11350 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11351 (TREE_RANGE_CHECK): New.
11352 (empty_body_p): Declare.
11353 (enum omp_clause_default_kind): New.
11354 (build_string_literal): Declare.
11355 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11356 (build5_stat, build5): Declare.
11357 * tree-pass.h (TDF_CHAIN): Define.
11358 * tree-pass.h (PROP_gimple_lomp): Define.
11359 (pass_lower_omp): Declare.
11360 * diagnostic.h (debug_tree_chain): Declare.
11361 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11363 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11364 * builtins.c (build_string_literal): Make extern.
11365 * gcc.c (include_spec_function): New.
11366 (static_spec_functions): Add it.
11367 (main): Move load of libgomp.spec ...
11368 (LINK_COMMAND_SPEC): ... here.
11369 (link_gomp_spec): New.
11370 (static_specs): Include it.
11371 (LINK_COMMAND_SPEC): Add link_gomp.
11372 (GOMP_SELF_SPECS): New.
11373 (driver_self_specs): Include it.
11374 (switch_matches): Don't mark inline.
11375 (main): Load libgomp.spec.
11376 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11377 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11378 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11379 * tree-gimple.h (enum omp_parallel): Declare.
11380 (determine_parallel_type): Declare.
11381 (omp_firstprivatize_variable): Declare.
11382 (omp_reduction_init): Declare.
11383 (diagnose_omp_structured_block_errors): Declare.
11384 (struct walk_stmt_info): Add want_return_expr.
11385 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11386 (find_omp_clause): Declare.
11387 (insert_field_into_struct): Declare.
11388 (struct walk_stmt_info): Move from tree-nested.c
11389 (walk_stmts): Declare.
11390 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11392 * cgraphunit.c (cgraph_lower_function): Make static.
11393 (cgraph_finalize_pending_functions): New.
11394 (cgraph_finalize_function): Call it.
11395 (cgraph_finalize_compilation_unit): Likewise.
11396 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11397 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11398 (BT_FN_UINT_UINT): New.
11399 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11400 DEF_FUNCTION_TYPE_VAR_4): Document.
11401 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11402 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11403 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11404 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11405 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11406 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11407 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11408 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11409 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11410 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11411 into separate files.
11412 (DEF_GOMP_BUILTIN): New.
11413 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11414 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11415 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11416 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11417 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11418 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11419 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11420 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11421 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11422 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11423 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11424 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11425 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11426 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11427 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11428 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11429 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11430 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11431 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11432 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11433 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11434 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11435 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11436 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11437 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11438 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11439 * sync-builtins.def: New file, moved from builtins.def.
11440 * omp-builtins.def: New file, moved from builtins.def.
11441 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11442 * gimple-low.c (lower_function_body): Clear data.
11443 (lower_stmt): Do not handle COMPOUND_EXPR.
11444 Remove call to print_node_brief.
11445 * c-tree.h (c_finish_omp_clauses): New prototype.
11446 (C_DECL_THREADPRIVATE_P): Define.
11447 (lookup_name_no_remap, c_omp_remap_private): Remove
11448 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11449 (check_for_loop_decls): Update decl.
11450 (lookup_name_no_remap, c_omp_remap_private): Declare.
11451 (build_indirect_ref, build_modify_expr, pushdecl,
11452 pushdecl_top_level): Move to c-common.h.
11453 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11454 before the switch, but just in the 2 places that need it.
11455 * c-decl.c (diagnose_mismatched_decls): Do not check for
11456 mismatched thread-local attributes when OLDDECL is marked
11457 threadprivate and NEWDECL has no thread-local attributes.
11458 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11459 (c_gimple_diagnostics_recursively): Rename from
11460 c_warn_unused_result_recursively. Invoke
11461 diagnose_omp_structured_block_errors.
11462 (check_for_loop_decls): Return a singular decl found.
11463 * langhooks.c (lhd_omp_predetermined_sharing): Return
11464 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11465 (lhd_omp_firstprivatize_type_sizes): New.
11466 (lhd_omp_assignment): New.
11467 (lhd_omp_predetermined_sharing): New.
11468 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11469 (struct lang_hooks_for_types): Add
11470 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11471 omp_predetermined_sharing, omp_disregard_value_expr,
11472 omp_private_debug_clause, omp_clause_default_ctor,
11473 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11474 (c_finish_omp_clauses): New.
11475 (c_finish_bc_stmt): Diagnose break within omp for.
11476 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11477 (build_unary_op): Return error_mark after reporting
11479 (build_modify_expr): Likewise.
11480 * gimplify.c: Include optabs.h and pointer-set.h.
11481 (enum gimplify_omp_var_data): Declare.
11482 (struct gimplify_omp_ctx): Declare.
11483 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11485 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11486 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11487 (splay_tree_compare_decl_uid): New.
11488 (new_omp_context): New.
11489 (delete_omp_context): New.
11490 (gimple_add_tmp_var): Call omp_add_variable.
11491 (gimplify_bind_expr): Likewise.
11492 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11493 true, disregard DECL_VALUE_EXPR on the decl if any.
11494 (gimplify_expr_in_ctx): New.
11495 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11496 omp_add_variable, omp_notice_variable, omp_is_private
11497 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11498 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11499 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11500 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11501 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11502 gimplify_omp_atomic): New.
11503 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11504 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11505 OMP_CRITICAL and OMP_ATOMIC.
11506 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11507 * c-pragma.h (enum pragma_kind): Add
11508 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11509 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11510 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11511 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11512 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11513 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11514 PRAGMA_OMP_THREADPRIVATE.
11515 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11516 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11517 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11518 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11519 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11520 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11521 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11522 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11523 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11524 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11525 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11526 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11527 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11529 (struct nesting_info): Add field_map,
11530 suppress_expansion, debug_var_chain.
11531 (create_nesting_tree): Initialize them.
11532 (lookup_field_for_decl): Use field_map.
11533 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11534 (convert_local_omp_clauses): New.
11535 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11536 (walk_body): Split out of walk_function.
11537 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11538 (convert_nonlocal_reference): Handle omp statements.
11539 (convert_local_reference): Likewise.
11540 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11541 (unnest_nesting_tree): New.
11542 (lower_nested_functions): Call it.
11543 (insert_field_into_struct): Make extern.
11544 (struct walk_stmt_info): Move to tree-gimple.h.
11545 (walk_stmts): Make extern.
11546 * omp-builtins.def: New file.
11547 * tree-iterator.c (expr_only): Clarify comment.
11548 * c-common.h (pushdecl_top_level, pushdecl,
11549 build_modify_expr, build_indirect_ref,
11550 c_finish_omp_master, c_finish_omp_critical,
11551 c_finish_omp_ordered, c_finish_omp_barrier,
11552 c_finish_omp_atomic, c_finish_omp_flush,
11553 c_finish_omp_for, c_split_parallel_clauses,
11554 omp_clause_default_kind, c_omp_sharing_predetermined,
11555 c_omp_remap_decl): Declare.
11556 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11557 (OBJS-common): Add omp-low.o.
11558 (c-omp.o, omp-low.o): Add.
11559 (gimplify.o): Add dependency on $(OPTABS_H).
11560 (GTFILES): Add omp-low.c.
11561 (gt-stringpool.h): Add.
11562 * tree-cfg.c (set_bb_for_stmt): Do not update the
11563 block-to-labels map if we are currently expanding to RTL.
11564 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11566 Handle IDENTIFIER_NODE.
11567 (tree_verify_flow_info): Do not ICE when emitting error
11568 messages about invalid labels.
11569 (dump_function_to_file): Reset CFUN before emitting the body
11571 (debug_function): New.
11572 * passes.c (init_optimization_passes): Schedule
11574 * langhooks-def.h (lhd_omp_predetermined_sharing,
11575 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11577 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11578 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11579 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11580 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11581 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11582 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11583 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11584 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11585 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11586 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11587 (LANG_HOOK_DECLS): Use them.
11589 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11590 Richard Henderson <rth@redhat.com>
11591 Jakub Jelinek <jakub@redhat.com>
11592 Diego Novillo <dnovillo@redhat.com>
11594 * c-parser.c (pragma_omp_clause): Define.
11595 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11596 (c_parser_compound_statement): Likewise.
11597 (c_parser_statement): Likewise.
11598 (c_parser_pragma): Handle omp pragmas.
11599 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11600 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11601 (c_parser_omp_clause_name, check_no_duplicate_clause,
11602 c_parser_omp_variable_list,
11603 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11604 c_parser_omp_clause_copyprivate,
11605 c_parser_omp_clause_default,
11606 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11607 c_parser_omp_clause_lastprivate,
11608 c_parser_omp_clause_nowait,
11609 c_parser_omp_clause_num_threads,
11610 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11611 c_parser_omp_clause_reduction,
11612 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11613 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11614 c_parser_omp_atomic, c_parser_omp_barrier,
11615 c_parser_omp_critical, c_parser_omp_flush,
11616 c_parser_omp_for_loop, c_parser_omp_for,
11617 c_parser_omp_master, c_parser_omp_ordered,
11618 c_parser_omp_sections_scope, c_parser_omp_sections,
11619 c_parser_omp_parallel, c_parser_omp_single,
11620 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11621 * c-pragma.c (init_pragma): Do omp pragma registration here.
11622 * c.opt (fopenmp): New flag.
11624 2006-01-18 Eric Christopher <echristo@apple.com>
11626 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11627 * config/darwin.h (GOMP_SELF_SPECS): Define.
11629 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11631 * rtl.h: Remove the prototype for reg_alloc.
11633 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11636 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11637 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11638 sjlj and dwarf2 exception handling.
11639 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11640 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11641 * pa/pa.c (function_value): Treat complex and vector types as
11643 (function_arg): Likewise. Only pass scalar floats in the floating
11644 point argument registers.
11645 * pa/t-slibgcc-dwarf-ver: New file.
11646 * pa/t-slibgcc-sjlj-ver: New file.
11647 * pa/t-slibgcc-elf-ver: Delete file.
11649 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11651 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11652 unlikely_test_section_p test.
11654 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11656 * mode-switching.c (optimize_mode_switching): Make it static.
11657 * basic-block.h: Remove the prototype for
11658 optimize_mode_switching.
11660 * modulo-sched.c (sms_schedule): Make it static.
11661 * rtl.h: Remove the prototype for sms_schedule.
11663 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11664 * rtl.h: Remove the prototype for gcse_after_reload_main.
11666 * reg-stack.c (reg_to_stack): Make it static.
11667 * rtl.h: Remove the prototype for reg_to_stack.
11669 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11671 * rtl.h: Remove the prototypes for regrename_optimize and
11672 copyprop_hardreg_forward.
11674 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11676 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11677 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11678 Test against the appropriate null constant for the mode.
11679 If 'fixup_overlap' is true, swap the operands if they overlap.
11680 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11681 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11682 alpha_split_tmode_pair and adjust for above change.
11683 * config/alpha/alpha.md (movtf_internal): Adjust call to
11684 alpha_split_tfmode_pair and rely on it to swap the operands.
11685 (movti_internal): New insn and post-reload splitter.
11686 (movti): New expander.
11688 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11690 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11693 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11695 * rtlanal.c (global_reg_mentioned_p_1,
11696 global_reg_mentioned_p): Remove.
11697 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11699 * flow.c (initialize_uninitialized_subregs): Make it static.
11700 * rtl.h: Remove the prototype for
11701 initialize_uninitialized_subregs.
11703 * function.c (instantiate_virtual_regs): Make it static.
11704 * function.h: Remove the prototype for
11705 instantiate_virtual_regs.
11707 * regmove.c (regmove_optimize, combine_stack_adjustments):
11709 * rtl.h: Remove the prototypes for regmove_optimize and
11710 combine_stack_adjustments.
11712 2006-01-17 Roger Sayle <roger@eyesopen.com>
11714 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11715 (size_cost): Encode costs in bytes so that a reg-reg addition is
11716 equivalent to COSTS_N_INSNS(1).
11717 (override_options): Use the size_cost.branch_cost as the default
11718 ix86_branch_cost when optimizing for size.
11720 2006-01-18 Ben Elliston <bje@au.ibm.com>
11722 * Makefile.in (D32PBIT_FUNCS): New.
11723 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11724 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11725 D64PBIT_FUNCS and D128PBIT_FUNCS.
11726 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11727 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11729 (decnumber_dep): Define.
11730 * doc/libgcc.texi (Decimal float library routines): New node.
11731 * config/dfp-bit.h, config/dfp-bit.c: New files.
11733 2006-01-18 Ben Elliston <bje@au.ibm.com>
11735 * expr.c (emit_move_change_mode): Always adjust addresses, not
11736 just during reload. Copy replacements only during reload.
11737 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11738 emit_move_via_integer.
11740 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11742 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11743 instead of $(srcdir) and ${srcdir}.
11745 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11748 PR middle-end/11135
11749 * arm.h (struct machine_function): Add pic_reg.
11750 * arm.c (arm_pic_register): Make unsigned.
11751 (arm_override_options): Only set arm_pic_register if
11752 TARGET_SINGLE_PIC_BASE.
11753 (use_return_insn): Only test for a pic register if it is fixed.
11754 (arm_compute_save_reg0_reg12_mask): Likewise.
11755 (thumb_compute_save_reg_mask): Likewise.
11756 (legitimate_pic_operand): Factor out some known invariants.
11757 (legitimize_pic_address): If we don't have a fixed pic register,
11758 then set up a pseudo in the function entry sequence. Handle the
11759 pic base being in a pseudo.
11760 (arm_load_pic_register): Handle the pic register being in a pseudo.
11761 (arm_expand_prologue): Only set up the pic register if it is fixed.
11762 (thumb_expand_prologue): Likewise.
11763 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11764 (pic_load_addr_based_insn): Likewise.
11765 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11768 2006-01-18 Ben Elliston <bje@au.ibm.com>
11770 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11771 decimal float modes for all floating point registers.
11773 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11774 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11776 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11779 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11780 even when the pointer is not NULL.
11782 2006-01-16 Ian Lance Taylor <ian@airs.com>
11784 * common.opt (ftoplevel-reorder): New option.
11785 * cgraph.c (cgraph_asm_nodes): New global variable.
11786 (cgraph_asm_last_node): New static variable.
11787 (cgraph_order): New global variable.
11788 (cgraph_create_node): Set new order field.
11789 (cgraph_varpool_node): Likewise.
11790 (decide_is_variable_needed): Return true if not
11791 flag_toplevel_reorder.
11792 (cgraph_add_asm_node): New function.
11793 * cgraph.h (struct cgraph_node): Add order field.
11794 (struct cgraph_varpool_node): Add order field.
11795 (struct cgraph_asm_node): Define.
11796 (cgraph_asm_nodes, cgraph_order): Declare.
11797 (cgraph_add_asm_node): Declare.
11798 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11800 (cgraph_varpool_assemble_pending_decls): Call it.
11801 (cgraph_output_pending_asms): New static function.
11802 (cgraph_finalize_compilation_unit): Call it.
11803 (struct cgraph_order_sort): Define.
11804 (cgraph_output_in_order): New static function.
11805 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11806 !flag_toplevel_reorder case.
11807 * c-parser.c: Include "cgraph.h".
11808 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11810 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11811 than -fno-unit-at-a-time.
11812 * doc/invoke.texi (Option Summary): Mention
11813 -fno-toplevel-reorder.
11814 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11815 -funit-at-a-time documentation.
11817 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11818 Kazu Hirata <kazu@codesourcery.com>
11820 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11822 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11824 * Makefile.in (FUNCTION_H): New. Use it instead of
11825 function.h throughout the file.
11826 * function.h: Include tree.h.
11828 2006-01-17 Ben Elliston <bje@au.ibm.com>
11830 * recog.c: Separate some functions with whitespace.
11832 2006-01-16 Richard Henderson <rth@redhat.com>
11834 Merge from gomp branch:
11835 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11836 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11837 and rename from struct inline_data. Rename callee* to dst*;
11838 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11839 transform_new_cfg, transform_return_to_modify, and
11840 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11842 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11843 (copy_decl_for_dup): Remove.
11844 * tree-inline.c (struct inline_data): Move to header.
11845 (insert_decl_map): Export.
11846 (remap_decl): Update for member name changes. Use copy_decl hook.
11847 Allow for replacement to be a non-decl. Remove dead code.
11848 (remap_type_1): Check for existing mapping.
11849 (remap_type): Export.
11850 (remap_decls): Update for member name changes.
11851 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11852 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11853 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11854 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11855 (tree_function_versioning, build_duplicate_type): Likewise.
11856 (copy_body_r): Likewise. Export.
11857 (copy_decl_for_dup): Split into ...
11858 (copy_decl_for_dup_finish, copy_decl_to_var,
11859 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11860 (replace_ref_tree, inlining_p): Remove.
11862 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11864 * ifcvt.c (if_convert): Make it static.
11865 * rtl.h: Remove the prototype for if_convert.
11867 * local-alloc.c (local_alloc): Make it static.
11868 * rtl.h: Remove the prototype for local_alloc.
11870 * loop.c (loop_optimize): Make it static.
11871 * cfgloop.h: Remove the prototype for loop_optimize.
11874 2006-01-16 DJ Delorie <dj@redhat.com>
11876 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11879 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11881 * pa.md: Disparage copies between general and floating-point registers
11882 in 32-bit move patterns.
11884 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11887 * Makefile.in (check-%): Depend on site.exp instead of
11888 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11891 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11893 * global.c (global_alloc): Make it static.
11894 * rtl.h: Remove the prototype for global_alloc.
11896 2006-01-16 Richard Guenther <rguenther@suse.de>
11898 * tree-ssa-alias.c (struct used_part): Add write_only field.
11899 (get_or_create_used_part_for): Initialize it to true.
11900 (create_overlap_variables_for): Don't create structure variables
11901 for structures that only are written to.
11902 (find_used_portions): Handle MODIFY_EXPR to track whether a
11903 structure is only written to.
11905 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11907 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11909 * basic-block.h: Remove the prototype for
11910 partition_hot_cold_basic_blocks.
11912 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11914 * cppspec.c (lang_specific_spec_functions): Remove.
11915 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11916 * gcc.h (lang_specific_spec_functions): Remove.
11917 * gccspec.c (lang_specific_spec_functions): Remove.
11919 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11921 * combine.c (record_value_for_reg): Invalidate registers
11923 (record_dead_and_set_regs_1): Likewise, by passing them to
11924 record_value_for_reg.
11925 (record_dead_and_set_regs): Invalidate stores made by a
11926 call. We do not combine across a call, but we still
11927 relied on equivalences.
11929 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11931 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11932 vrp_int_const_binop returning non-constant nodes.
11934 2006-01-16 Paul Brook <paul@codesourcery.com>
11936 * config/m68k/m68k.c (output_move_const_into_data_reg):
11937 Output correct mnemonic for mvz and mvs.
11939 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11941 * rtl-factoring.c: Add sequence abstraction algorithm.
11942 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11943 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11945 (block_has_preserve_label): New function.
11946 * common.opt: Register new pass.
11947 * Makefile.in: Ditto.
11949 * timevar.def: Ditto.
11950 * tree-pass.h: Ditto.
11951 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11952 * rtl.h (make_jump_insn_raw): Add forward decl.
11953 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11955 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11956 Roger Sayle <roger@eyesopen.com>
11958 * fold-const.c (fold_minmax): New static function.
11959 (fold_binary) <MIN_EXPR>: Call it.
11960 <MAX_EXPR>: Likewise.
11961 * stor-layout.c (place_field): Use DECL_SIZE consistently
11962 in the computation of the new record size.
11964 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11966 * cse.c (cse_condition_code_reg): Make it static.
11967 * rtl.h: Remove the prototype for cse_condition_code_reg.
11969 * combine.c (combine_instructions): Make it static.
11970 * rtl.h: Remove the prototype for combine_instructions.
11972 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11975 * tree.c (get_file_function_name_long): Concatenate the first global
11976 object name with a string derived from the input filename of the object
11979 2006-01-16 Ben Elliston <bje@au.ibm.com>
11981 * config/i386/winnt-stubs.c: Update FSF address.
11982 * config/xtensa/ieee754-df.S: Ditto.
11983 * config/xtensa/ieee754-sf.S: Ditto.
11985 2006-01-14 Ian Lance Taylor <ian@airs.com>
11987 * ifcvt.c (noce_init_if_info): New static function, broken out of
11988 noce_process_if_block.
11989 (noce_process_if_block): Call noce_init_if_info.
11990 (check_cond_move_block): New static function.
11991 (cond_move_process_if_block): New static function.
11992 (process_if_block): Call cond_move_process_if_block.
11994 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11996 * cselib.c (hash_table): Rename to cselib_hash_table.
11997 (cselib_clear_table, discard_useless_values,
11998 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11999 cselib_init, cselib_finish): Adjust uses of hash_table.
12001 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12003 PR tree-optimization/25485
12004 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12005 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12006 is known to be false and true, respectively.
12008 2006-01-14 Richard Guenther <rguenther@suse.de>
12010 PR tree-optimization/22548
12011 PR tree-optimization/22555
12012 PR tree-optimization/22501
12013 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12014 * params.def (salias-max-array-elements): New parameter.
12015 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12016 * doc/invoke.texi (salias-max-array-elements): Document.
12017 * tree-flow-inline.h (var_can_have_subvars): We also handle
12019 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12021 * tree-ssa-structalias.c (params.h): Include.
12022 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12023 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12024 (get_constraint_for): For ADDR_EXPR operating on something
12025 containing an ARRAY_REF, add all subvars to the solution.
12026 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12027 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12028 for creating MUST_DEFs.
12029 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12031 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12033 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12035 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12036 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12037 number_of_iterations_le): New functions.
12038 (number_of_iterations_special): Removed.
12039 (number_of_iterations_exit): Do not use number_of_iterations_special.
12040 * tree.c (unsigned_type_for): Always return integer type.
12042 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12043 Richard Guenther <rguenther@suse.de>
12045 PR rtl-optimization/24257
12046 * gcse.c (find_moveable_store): Only consider a store movable
12047 when the SET_SRC of the insn can be assigned to a register.
12049 2006-01-14 Ian Lance Taylor <ian@airs.com>
12051 * tree.c (tree_not_class_check_failed): New function.
12052 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12053 (tree_not_class_check_failed): Declare.
12055 2006-01-13 Ian Lance Taylor <ian@airs.com>
12057 * reload1.c (do_output_reload): Add assertion rejecting a
12060 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12062 * combine.c (struct reg_stat): Add new fields truncation_label and
12064 (record_value_for_reg): Reset truncated_to_mode.
12065 (record_truncated_value): New function.
12066 (check_promoted_subreg): Call it. Rename to check_conversions.
12067 (combine_instructions): Rename check_promoted_subreg to
12069 (reg_truncated_to_mode): New function.
12070 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12071 (gen_lowpart_or_truncate): New function.
12072 (force_to_mode): Use it instead of gen_lowpart.
12074 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12076 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12077 VAR is a tag, not its type tag.
12079 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12081 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12082 alternatives to match style of other entries.
12083 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12085 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12087 PR tree-optimization/25771
12088 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12091 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12094 * tree-inline.c (declare_return_variable): If the return variable
12095 was marked as a non gimple complex, set the return slot variable
12096 to be a non gimple comple variable.
12098 2006-01-13 Richard Guenther <rguenther@suse.de>
12100 * builtins.c (expand_builtin_sincos): New function.
12101 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12103 (expand_builtin): Expand sincos using expand_builtin_sincos.
12105 2006-01-12 DJ Delorie <dj@redhat.com>
12107 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12108 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12109 so that constant shifts can be split.
12110 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12111 (m32c_valid_pointer_mode): Make static.
12112 (shift_gen_func_for): New.
12113 (m32c_prepare_shift): Use it. Split large const shifts into
12115 * config/m32c/predicates.md (shiftcount_operand): Allow more
12117 (longshiftcount_operand): New.
12118 * doc/md.texi (Machine Constraints): Document In6.
12120 2006-01-13 Ben Elliston <bje@au.ibm.com>
12122 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12123 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12126 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12128 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12129 to try to avoid clobbering pieces of structures when we know
12130 something about the whole structure.
12131 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12133 2006-01-13 Ben Elliston <bje@au.ibm.com>
12135 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12136 return in memory, as this is no limitation is no longer present.
12138 2006-01-12 DJ Delorie <dj@redhat.com>
12140 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12141 mova with fb, and for fb+0 -> An.
12143 * config/m32c/mov.md (peephole2): Fix enabling logic.
12145 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12146 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12147 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12148 FINI_ARRAY_SECTION_ASM_OP): Define.
12150 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12152 (m32c_legitimize_reload_address): New logic to reload FB to An.
12153 (m32c_output_reg_push): Add newline.
12154 (m32c_output_reg_pop): Likewise.
12156 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12158 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12160 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12162 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12166 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12169 2006-01-11 Ben Elliston <bje@au.ibm.com>
12171 * rtlanal.c (find_reg_note): Assert insn is not null.
12173 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12175 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12178 2006-01-11 Jeff Law <law@redhat.com>
12180 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12182 (mark_threaded_blocks, register_jump_thread): New functions.
12183 (thread_through_all_blocks): Remove unwanted argument. No
12184 longer rely on e->aux to communicate thread target info.
12185 Call mark_threaded_blocks. Release the threaded_blocks
12186 bitmap and threaded_edges vector when complete.
12187 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12188 (threaded_blocks): Remove.
12189 (tree_ssa_dominator_optimize): Remove initialization and
12190 finalization of threaded_blocks. Simplify call to
12191 thread_through_all_blocks.
12192 (thread_across_edge): Call register_jump_thread rather than
12193 storing thread information into e->aux.
12194 (free_all_edge_infos): Simplify now that e->aux is no longer
12195 used to communicate with thread_through_all_blocks.
12196 * tree-flow.h (thread_through_all_blocks): Update prototype.
12197 (register_jump_thread): Prototype.
12199 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12201 * df-core.c (df_compact_blocks, df_bb_replace): Use
12202 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12204 2006-01-11 Richard Guenther <rguenther@suse.de>
12206 PR tree-optimization/25734
12207 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12208 stop propagation after successful propagation to the LHS.
12210 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12212 * basic-block.h (control_flow_graph): Change the type of
12213 x_basic_block_info to VEC(basic_block,gc) *.
12214 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12216 (SET_BASIC_BLOCK): New.
12217 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12218 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12219 * cfgbuild.c (find_basic_blocks): Likewise.
12220 * cfglayout.c (fixup_reorder_chain): Likewise.
12221 * cfgrtl.c (create_basic_block_structure,
12222 rtl_create_basic_block): Likewise.
12223 * ifcvt.c (find_if_case_1): Likewise.
12224 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12227 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12229 * Makefile.in: Removed rotted odf.c entry.
12231 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12234 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12235 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12236 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12237 output pattern modifier, not %e.
12238 * config/cris/cris.c (cris_op_str): Update comment about pattern
12240 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12241 before falling through into...
12242 <case 'E'>: Redefined from old 'e' case.
12244 2006-01-11 Jan Hubicka <jh@suse.cz>
12247 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12249 2006-01-11 Jan Hubicka <jh@suse.cz>
12251 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12252 * i386.c (x86_decompose_lea): Kill.
12253 (ix86_rtx_costs): Kill.
12255 2006-01-11 Jan Hubicka <jh@suse.cz>
12257 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12258 * cgraph.h (cgraph_node): Add inline_decl.
12259 (cgraph_insert_node_to_hashtable): Declare.
12260 (save_inline_function_body): Declare.
12261 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12263 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12264 (cgraph_function_versioning): Update call of tree_function_versioning.
12265 (save_inline_function_body): New function.
12266 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12267 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12268 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12269 (cgraph_default_inline_p): Likewise.
12270 (cgraph_decide_inlining_incrementally): Likewise.
12271 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12272 (copy_bb): Kill saving; do updating of clones.
12273 (copy_cfg_body): Kill saving.
12274 (initialize_inlined-parameters): Likewise.
12275 (expand_call_inline): Likewise.
12277 (tree_function_versioning): New parameter "update_clones".
12278 (inlining_p): Kill saving.
12279 * tree-inline.h (tree_function_versioning): Update prototype.
12280 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12283 2006-01-11 Ian Lance Taylor <ian@airs.com>
12285 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12286 Allow undoing set of machine mode.
12287 (do_SUBST): Use enums instead of is_int.
12288 (do_SUBST_MODE): New function.
12289 (SUBST_MODE): New macro.
12290 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12291 reg and trying to replace reg_regno_rtx with a new register.
12292 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12293 (simplify_set): Use SUBST_MODE.
12294 (distribute_notes): Remove code that tried to update reg notes
12295 for regno_reg_rtx changes.
12297 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12299 PR tree-optimization/23109
12300 PR tree-optimization/23948
12301 PR tree-optimization/24123
12303 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12304 * tree-cfg.c (single_noncomplex_succ): New.
12305 * tree-flow.h (single_noncomplex_succ): Declare it.
12306 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12307 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12308 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12309 insert_bb, register_division_in, insert_reciprocals,
12310 replace_reciprocal, free_bb): New.
12311 (execute_cse_reciprocals_1): Rewritten.
12312 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12313 Do not commit any edge insertion. Always compute dominators and
12314 create the allocation pool.
12315 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12316 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12317 * targhooks.c (default_min_divistions_for_recip_mul): New.
12318 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12319 * passes.c (init_optimization_passes): Run recip after tree loop
12321 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12323 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12324 Kenneth Zadeck <zadeck@naturalbridge.com>
12326 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12327 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12328 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12329 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12330 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12331 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12332 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12333 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12334 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12335 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12336 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12337 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12338 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12339 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12340 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12341 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12342 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12343 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12344 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12345 DF_SCAN_POST_ALLOC): New macros.
12346 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12347 df_free_bb_function, df_local_compute_function, df_init_function,
12348 df_dataflow_function, df_confluence_function_0,
12349 df_confluence_function_n, df_transfer_function,
12350 df_finalizer_function, df_free_function, df_dump_problem_function,
12351 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12352 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12353 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12354 df_urec_bb_info, ) New types.
12355 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12357 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12358 df_analyze_simple_change_some_blocks,
12359 df_analyze_simple_change_one_block, df_compact_blocks,
12360 df_bb_replace, df_bb_regno_last_use_find,
12361 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12362 df_insn_regno_def_p, df_find_def, df_find_use,
12363 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12364 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12365 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12366 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12367 debug_df_chain, df_get_dependent_problem, df_chain_create,
12368 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12369 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12370 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12371 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12372 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12373 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12374 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12375 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12376 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12377 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12378 df_reorganize_refs, df_set_state, df_hard_reg_init,
12379 df_read_modify_subreg_p) New public functions.
12380 * df-core.c: The core dataflow solver and glue routines for rtl
12382 (df_init, df_add_problem, df_set_blocks, df_finish,
12383 df_hybrid_search_forward, df_hybrid_search_backward,
12384 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12385 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12386 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12387 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12388 df_reg_defined, df_find_use, df_reg_used, df_dump,
12389 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12390 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12391 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12392 debug_df_useno, reset_df_after_reload): New functions.
12393 * df-scan.c: The scanning fuctions, once in df.c, completely
12394 rewritten so that they now fully model the functionality of
12395 register usage at the backend.
12396 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12397 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12398 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12399 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12400 df_get_artificial_defs, df_get_artificial_uses,
12401 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12402 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12403 df_refs_delete, df_reorganize_refs, df_set_state,
12404 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12405 df_def_record_1, df_defs_record, df_uses_record,
12406 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12407 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12408 df_record_exit_block_uses, df_hard_reg_init): New functions.
12410 * df-problems.c: Seven concrete dataflow problems that use the
12411 scanning in df-scan.c and are solved by the engine in df-core.c.
12412 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12413 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12414 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12415 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12416 df_ru_free_bb_info, df_ru_alloc,
12417 df_ru_bb_local_compute_process_def,
12418 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12419 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12420 df_ru_transfer_function, df_ru_free, df_ru_dump,
12421 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12422 df_rd_free_bb_info, df_rd_alloc,
12423 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12424 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12425 df_rd_transfer_function, df_rd_free, df_rd_dump,
12426 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12427 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12428 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12429 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12430 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12431 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12432 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12433 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12434 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12435 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12436 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12437 df_urec_mark_reg_use_for_earlyclobber,
12438 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12439 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12440 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12441 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12442 df_chain_create_bb_process_use, df_chain_create_bb,
12443 df_chain_finalize, df_chain_free, df_chains_dump,
12444 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12445 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12446 df_reg_lifetime): New functions.
12447 * df.c: Deleted file.
12448 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12449 consistent with new df api.
12450 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12451 rest_of_handle_sms): Ditto.
12452 * web.c (unionfind_union, union_defs, entry_register, web_main):
12454 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12455 invariant_expr_equal_p, find_defs, check_dependencies,
12456 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12457 free_inv_motion_data, move_loop_invariants): Ditto.
12458 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12459 Update dependencies.
12460 (odf.c): Added defective entry that was deleted later in day.
12461 * sched-deps.c (sched_analyze_1): Ditto.
12463 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12465 * tree-ssa-operands.c (get_expr_operands): Record addressable
12466 variables directly. Do not call add_stmt_operands for CONST_DECLs
12468 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12469 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12471 2006-01-11 Ben Elliston <bje@au.ibm.com>
12473 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12474 function returns true in the positive case.
12476 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12479 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12480 for SI, DI, SF and DF modes. Add alternatives to copy between
12481 general and floating point registers to the 32-bit patterns.
12482 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12483 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12484 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12485 generating 64-bit code.
12486 * config/pa/pa.c (output_move_double): Handle copies between general
12487 and floating registers.
12489 2006-01-10 Stuart Hastings <stuart@apple.com>
12491 * config/i386/i386.md (set_got): Update.
12492 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12493 (builtin_setjmp_receiver): Mach-O support.
12494 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12495 (GOT_SYMBOL_NAME): Define.
12496 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12497 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12498 * config/i386/i386.c (override_options): Revise for Darwin.
12499 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12500 support. (darwin_x86_file_end): New. (output_set_got): Add label
12501 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12502 * config/i386/i386-protos.h (output_set_got): Likewise.
12503 * config/darwin.c (machopic_legitimize_pic_address): Update
12506 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12508 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12509 when MODE isn't BLKmode.
12511 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12513 PR rtl-optimization/25367
12514 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12516 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12519 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12520 for a negative bound.
12522 2006-01-10 Richard Guenther <rguenther@suse.de>
12524 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12525 Never override with anything constraint.
12527 2006-01-10 Jan Beulich <jbeulich@novell.com>
12529 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12530 256 bits when optimize_size.
12532 2006-01-10 Jan Beulich <jbeulich@novell.com>
12534 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12536 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12537 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12540 2006-01-10 Ben Elliston <bje@au.ibm.com>
12542 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12544 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12545 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12546 (USE_FP_FOR_ARG): Reject decimal float modes.
12547 (function_arg_advance): Likewise.
12548 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12549 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12550 point types in AltiVec vectors.
12551 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12552 (rs6000_libcall_value): Likewise.
12554 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12556 * config/xtensa/ieee754-df.S: New file.
12557 * config/xtensa/ieee754-sf.S: New file.
12558 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12559 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12560 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12562 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12564 * config/sh/predicates.md (binary_float_operator,
12565 binary_logical_operator, commutative_float_operator,
12566 equality_comparison_operator, greater_comparison_operator,
12567 less_comparison_operator, logical_operator,
12568 noncommutative_float_operator, shift_operator,
12569 symbol_ref_operand, unary_float_operator): Remove redundant
12572 2006-01-09 Jeff Law <law@redhat.com>
12574 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12575 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12576 now unused arguments. Callers updated.
12577 (eliminate_redundant_computations): Remove now unused arguments,
12579 (local_fold): Remove, no longer used.
12580 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12582 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12583 (simplify_cond): New function.
12584 (forward_propagate_into_cond): Call simplify_cond.
12586 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12588 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12589 (*vec_extractv2di_1_sse): New.
12591 2006-01-09 Ben Elliston <bje@au.ibm.com>
12593 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12595 2006-01-08 Richard Guenther <rguenther@suse.de>
12597 * tree-ssa-structalias.c (get_constraint_for): Remove
12598 anyoffset argument.
12599 (get_constraint_for_component_ref): Likewise.
12600 (do_deref): Likewise.
12601 (get_constraint_for): Likewise.
12602 (do_structure_copy): Likewise.
12603 (handle_ptr_arith): Likewise.
12604 (find_func_aliases): Likewise. Remove unused need_anyoffset
12607 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12608 Kaz Kojima <kkojima@gcc.gnu.org>
12610 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12611 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12612 (EXTRA_CONSTRAINT_C16): Remove.
12613 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12614 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12615 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12616 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12617 constants of SHmedia. Handle nested constant expressions of
12619 (andcosts): Fix the costs for SHmedia constants.
12620 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12621 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12622 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12623 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12624 (movv4hi_i, movv2si_i): Likewise.
12625 (movsi_const): Adjust the second operand of ior so to match with
12626 the Csu constraint.
12627 (movdi_const, movdi_const_32bit): Likewise.
12628 (movdi_const_16bit+1): Don't sign-extend LOW.
12629 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12631 (*double_shori): Fix the split condition. Use GEN_INT instead
12632 of get_int_mode calls. Mask lower 16-bit of the argument of
12634 (sym2GOTPLT): Remove.
12635 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12637 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12638 instead of EXTRA_CONSTRAINT_C16.
12640 2006-01-07 Ian Lance Taylor <ian@airs.com>
12641 David Edelsohn <edelsohn@gnu.org>
12643 PR rtl-optimization/25662
12644 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12645 for constant operands instead of simplify_gen_binary.
12646 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12647 after trying simplify_binary_operation
12649 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12651 * tree.c (iterative_hash_expr): Hash decls based on UID.
12653 2006-01-06 Eric Christopher <echristo@apple.com>
12655 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12656 (TARGET_UNWIND_EMIT): Fix spelling.
12657 * target.h (gcc_target): Add except_table_label.
12658 * except.c (output_function_exception_table): Use.
12659 * varasm.c (default_emit_except_table_label): New.
12660 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12662 (asm_out): Add here.
12663 * output.h (default_emit_except_table_label): Prototype.
12664 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12665 * config/darwin.c (darwin_emit_except_table_label): Define.
12666 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12668 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12670 PR tree-optimization/18527
12671 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12672 number_of_iterations_special, number_of_iterations_exit):
12673 Move base and step of an iv to a single structure. Add
12674 no_overflow flag, and use it in # of iterations analysis.
12675 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12676 folded_casts argument.
12677 (simple_iv): Pass base and step in a structure. Set no_overflow
12679 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12680 Evaluate expensiveness of computing # of iterations instead of
12681 the final expression.
12682 * tree-scalar-evolution.h (affine_iv): New structure.
12683 (simple_iv): Declaration changed.
12684 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12685 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12686 find_givs_in_stmt): Changed due to simple_iv change.
12688 2006-01-06 Jeff Law <law@redhat.com>
12691 * tree-cfg.c (bsi_replace): Rename final argument from
12692 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12693 change (stmt -> orig_stmt).
12694 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12695 (bsi_remove): Add new argument. Remove EH information
12697 (verify_eh_throw_table_statements): New function.
12698 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12700 * tree-optimize.c (execute_free_cfg_annotations): Verify
12701 the EH throw statement table after removing annotations.
12702 * except.h (verify_eh_throw_table_statements): Prototype.
12703 * tree-flow.h (bsi_remove): Update prototype.
12704 * tree-vrp.c (remove_range_assertions): Add new argument to
12706 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12707 * tree-complex.c (expand_complex_div_wide): Likewise.
12708 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12709 * tree-tailcall.c (eliminate_tailcall): Likewise.
12710 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12711 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12712 * tree-nrv.c (tree_nrv): Likewise.
12713 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12714 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12715 (combine_blocks): Likewise.
12716 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12717 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12718 (cleanup_control_flow): Likewise.
12719 (remove_forwarder_block): Likewise.
12720 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12721 * tree-sra.c (sra_replace): Likewise.
12722 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12723 (forward_propagate_single_use_vars): Likewise.
12724 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12725 * tree-inline.c (expand_call_inline): Likewise.
12726 * tree-vect-transform.c (vect_transform_loop): Likewise.
12727 * tree-outof-ssa.c (rewrite_trees): Likewise.
12728 * tree-cfg.c (make_goto_expr_edges): Likewise.
12729 (cleanup_dead_labels): Likewise.
12730 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12731 (bsi_move_before, bsi_move_after): Likewise.
12732 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12733 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12735 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12738 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12740 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12741 on non gimple variables. Also add checks at the top for decls and
12743 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12745 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12746 and IMAGPART_EXPR for creating MUST_DEFs.
12747 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12748 and NAME_MEMORY_TAG separately from the DECLs.
12750 2006-01-06 Richard Guenther <rguenther@suse.de>
12752 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12753 annotation, if necessary.
12754 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12755 redundant calls to update_stmt.
12756 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12759 2006-01-05 Richard Henderson <rth@redhat.com>
12761 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12763 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12765 * c-typeck.c: Update copyright date.
12767 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12769 * c-typeck.c (build_c_cast): Always warn when casting
12770 from a pointer to an integer of different size, even if
12771 the node was constant.
12773 2006-01-05 Richard Guenther <rguenther@suse.de>
12775 PR tree-optimization/22555
12776 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12777 if one structure field is an array.
12778 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12779 operands even if we found a subvar, but ignore VOPs in this
12781 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12783 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12785 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12787 PR middle-end/24998
12788 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12790 2006-01-05 Richard Guenther <rguenther@suse.de>
12791 Diego Novillo <dnovillo@redhat.com>
12793 * tree-pass.h (TODO_remove_unused_locals): Define.
12794 * gimple-low.c (expand_var_p, remove_useless_vars,
12795 pass_remove_useless_vars): Remove. Update all users.
12796 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12797 (remove_unused_locals): New function.
12798 * tree-flow.h (remove_unused_locals): Declare.
12799 * passes.c (execute_todo): Call remove_unused_locals if
12800 TODO_remove_unused_locals is set.
12801 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12802 * tree-ssa-dce.c (pass_dce): Likewise.
12803 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12805 2006-01-05 Richard Guenther <rguenther@suse.de>
12807 * tree-flow.h (struct fieldoff): Decompose field to
12808 type, size and decl.
12809 * tree-ssa-alias.c (create_sft): Take type as parameter.
12810 (create_overlap_variables_for): Store type, size and decl
12811 in the fieldoff structure.
12812 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12813 of struct fieldoff.
12814 (push_fields_onto_fieldstack): Likewise.
12815 (create_variable_info_for): Likewise. Use offset for the
12816 SFT name if the decl is not available.
12818 2006-01-04 Paul Brook <paul@codesourcery.com>
12820 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12822 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12824 * lambda-code.c (can_put_in_inner_loop): Relax
12826 (can_put_after_inner_loop): New function.
12827 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12828 (perfect_nestify): Change to make copies and modify uses.
12830 2006-01-04 Richard Henderson <rth@redhat.com>
12832 Merge from gomp branch:
12833 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12834 via integer constant.
12835 (pragma_lex): Remove.
12836 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12837 rather than parsing it.
12838 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12839 handle_pragma_extern_prefix): Add %< %> quotes.
12840 (registered_pragmas): New.
12841 (c_register_pragma_1): New.
12842 (c_register_pragma): Use it.
12843 (c_register_pragma_with_expansion): Likewise.
12844 (c_invoke_pragma_handler): New.
12845 (init_pragma): Use cpp_register_deferred_pragma directly for
12847 * c-pragma.h (enum pragma_kind): New.
12848 (pragma_handler): New.
12849 (c_invoke_pragma_handler): Declare.
12850 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12852 * c-common.h (c_common_pch_pragma): Update decl.
12853 * Makefile.in (c-parser.o): Update dependencies.
12854 (GTFILES): Add c-pragma.h.
12855 * c-parser.c (struct c_token): Add pragma_kind.
12856 (struct c_parser): Add in_pragma.
12857 (c_lex_one_token): Always initialize keyword and pragma_kind.
12858 Extract data for CPP_PRAGMA.
12859 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12860 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12861 Don't allow CPP_PRAGMA_EOL if in_pragma.
12862 (c_parser_consume_pragma): New.
12863 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12864 (c_parser_skip_to_end_of_parameter): Likewise.
12865 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12866 (c_parser_skip_to_pragma_eol): New.
12867 (c_parser_external_declaration): Handle CPP_PRAGMA.
12868 (c_parser_compound_statement_nostart): Likewise.
12869 (c_parser_statement_after_labels): Likewise.
12870 (c_parser_pragma): New.
12871 (pragma_lex): Likewise.
12872 (c_parser_pragma_pch_preprocess): New.
12873 (c_parser_new): Merge into ...
12874 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12876 2006-01-04 Jeff Law <law@redhat.com>
12879 * tree-cfg.c (bsi_replace): Remove the original statement
12880 from the EH throw statement table.
12882 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12884 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12885 make the prototype extern "C" and add throw ().
12888 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12889 and pos non-negative and pos + len <= 32.
12890 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12891 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12892 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12895 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12896 as well as sizes not multiple of component size.
12899 * function.c (instantiate_expr): New function.
12900 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12901 walk its DECL_VALUE_EXPR with instantiate_expr.
12903 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12904 DW_OP_deref{,_size} if address isn't going to be added.
12906 2006-01-04 Ben Elliston <bje@au.ibm.com>
12908 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12909 * config/fp-bit.c: Likewise.
12911 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12913 * dominance.c: Add comment about why we use DFS numbering
12916 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12917 Richard Henderson <rth@redhat.com>
12919 Merge from gomp-branch:
12920 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12921 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12923 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12925 PR rtl-optimization/25578
12926 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12927 pass a parameter to simplify_shift_const if changing ASHIFTRT
12930 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12932 * builtins.c (get_builtin_sync_mem): New function.
12933 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12934 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12935 Call get_builtin_sync_mem to generate mem rtx.
12937 2006-01-03 Richard Guenther <rguenther@suse.de>
12940 * stmt.c (add_case_node): Make sure to clear overflow flags
12943 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12945 Merge from gomp-branch.
12946 * config/sparc/sync.md: New file.
12947 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12948 UNSPECV_LDSTUB): New constants.
12949 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12950 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12951 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12954 2006-01-03 Roger Sayle <roger@eyesopen.com>
12956 * combine.c (reg_subword_p): New predicate to test whether the
12957 destination of a set refers to a subword/piece of a register.
12958 (try_combine): Generalize the code to merge the setting of a
12959 pseudo to a constant followed by a set of a subword of that
12960 register to a constant.
12962 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12964 * basic-block.h (control_flow_graph): Change the type of
12965 x_label_to_block_map to VEC(basic_block,gc) *.
12966 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12967 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12969 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12970 VEC(basic_block,heap) *.
12971 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12972 ssa_prop_fini): Adjust the uses of cfg_blocks.
12974 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12976 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12978 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12979 hashing trees instead of a pointer hash.
12980 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12981 compare for MEM_EXPR.
12983 PR rtl-optimization/25130
12984 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12985 when comparing MEMs for GCSE
12987 2006-01-03 Ben Elliston <bje@au.ibm.com>
12989 * targhooks.h (default_decimal_float_supported_p): Declare.
12990 * targhooks.c (default_decimal_float_supported_p): Define.
12991 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12992 `default_decimal_float_supported_p'.
12993 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12995 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12997 * combine.c (apply_distributive_law <SUBREG>): Check
12998 TRULY_NOOP_TRUNCATION.
13000 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13002 * dwarf2out.c (have_switched_text_section): Delete.
13003 (have_multiple_function_sections): New.
13004 (have_location_lists): Make 'bool'.
13005 (add_AT_loc_list): Use 'true' not '1'.
13006 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13007 (output_loc_list): Use have_multiple_function_sections.
13008 (output_ranges): Likewise.
13009 (dwarf2out_begin_function): Set have_multiple_function_sections if
13011 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13012 Check function_section rather than DECL_SECTION_NAME.
13013 (dwarf2out_finish): Use have_multiple_function_sections.
13014 Don't clear have_location_lists.
13016 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13017 Jan Hubicka <jh@suse.cz>
13019 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13020 case of conditional jump jumping to the next instruction.
13021 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13022 cases of conditional jump jumping to the next instruction.
13024 2006-01-02 Jan Hubicka <jh@suse.cz>
13026 * i386.c (*_cost): Add COSTS_N_INSNS.
13027 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13029 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13032 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13034 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13036 * config/arm/arm.c (all_fpus): Fix comment typo.
13037 * config/darwin.c: Likewise.
13038 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13039 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13040 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13042 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13044 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13045 (rs6000_split_compare_and_swapqhi): New.
13046 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13047 (sync_compare_and_swapqhi_internal): New.
13048 * config/rs6000/rs6000-protos.h: Declare.